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human
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Revert "optimized canvas handling" 

This reverts commit 9781699e95.
pull/50/head
Vladimir Mandic 2020-11-02 17:31:37 -05:00
parent 9781699e95
commit bdb22d3f15
15 changed files with 330 additions and 404 deletions
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119
dist/human.esm-nobundle.js vendored
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@ -5947,12 +5947,10 @@ class Human {
this.version = app.version; this.version = app.version;
this.defaults = defaults; this.defaults = defaults;
this.config = defaults; this.config = defaults;
this.fx = null; this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas() : null;
this.state = "idle"; this.state = "idle";
this.numTensors = 0; this.numTensors = 0;
this.analyzeMemoryLeaks = false; this.analyzeMemoryLeaks = false;
this.inCanvas = null;
this.outCanvas = null;
this.models = { this.models = {
facemesh: null, facemesh: null,
posenet: null, posenet: null,
@ -6029,14 +6027,12 @@ class Human {
} }
} }
tfImage(input) { tfImage(input) {
let tensor; let filtered;
if (input instanceof tf.Tensor) { const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0;
tensor = tf.clone(input); const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0;
} else { let targetWidth = originalWidth;
const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0; let targetHeight = originalHeight;
const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0; if (this.fx && this.config.filter.enabled && !(input instanceof tf.Tensor)) {
let targetWidth = originalWidth;
let targetHeight = originalHeight;
if (this.config.filter.width > 0) if (this.config.filter.width > 0)
targetWidth = this.config.filter.width; targetWidth = this.config.filter.width;
else if (this.config.filter.height > 0) else if (this.config.filter.height > 0)
@ -6045,69 +6041,60 @@ class Human {
targetHeight = this.config.filter.height; targetHeight = this.config.filter.height;
else if (this.config.filter.width > 0) else if (this.config.filter.width > 0)
targetHeight = originalHeight * (this.config.filter.width / originalWidth); targetHeight = originalHeight * (this.config.filter.width / originalWidth);
if (!this.inCanvas || this.inCanvas.width !== originalWidth || this.inCanvas.height !== originalHeight) { const offscreenCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
this.inCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); if (offscreenCanvas.width !== targetWidth)
if (this.inCanvas.width !== targetWidth) offscreenCanvas.width = targetWidth;
this.inCanvas.width = targetWidth; if (offscreenCanvas.height !== targetHeight)
if (this.inCanvas.height !== targetHeight) offscreenCanvas.height = targetHeight;
this.inCanvas.height = targetHeight; const ctx = offscreenCanvas.getContext("2d");
}
const ctx = this.inCanvas.getContext("2d");
if (input instanceof ImageData) if (input instanceof ImageData)
ctx.putImageData(input, 0, 0); ctx.putImageData(input, 0, 0);
else else
ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, this.inCanvas.width, this.inCanvas.height); ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, offscreenCanvas.width, offscreenCanvas.height);
if (this.config.filter.enabled) { this.fx.reset();
if (!this.outCanvas || this.inCanvas.width !== this.outCanvas.width || this.inCanvas.height !== this.outCanvas.height) { this.fx.addFilter("brightness", this.config.filter.brightness);
this.outCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(this.inCanvas.width, this.inCanvas.height) : document.createElement("canvas"); if (this.config.filter.contrast !== 0)
if (this.outCanvas.width !== this.inCanvas.width) this.fx.addFilter("contrast", this.config.filter.contrast);
this.outCanvas.width = this.inCanvas.width; if (this.config.filter.sharpness !== 0)
if (this.outCanvas.height !== this.inCanvas.height) this.fx.addFilter("sharpen", this.config.filter.sharpness);
this.outCanvas.height = this.inCanvas.height; if (this.config.filter.blur !== 0)
} this.fx.addFilter("blur", this.config.filter.blur);
if (!this.fx) if (this.config.filter.saturation !== 0)
this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas({canvas: this.outCanvas}) : null; this.fx.addFilter("saturation", this.config.filter.saturation);
this.fx.reset(); if (this.config.filter.hue !== 0)
this.fx.addFilter("brightness", this.config.filter.brightness); this.fx.addFilter("hue", this.config.filter.hue);
if (this.config.filter.contrast !== 0) if (this.config.filter.negative)
this.fx.addFilter("contrast", this.config.filter.contrast); this.fx.addFilter("negative");
if (this.config.filter.sharpness !== 0) if (this.config.filter.sepia)
this.fx.addFilter("sharpen", this.config.filter.sharpness); this.fx.addFilter("sepia");
if (this.config.filter.blur !== 0) if (this.config.filter.vintage)
this.fx.addFilter("blur", this.config.filter.blur); this.fx.addFilter("brownie");
if (this.config.filter.saturation !== 0) if (this.config.filter.sepia)
this.fx.addFilter("saturation", this.config.filter.saturation); this.fx.addFilter("sepia");
if (this.config.filter.hue !== 0) if (this.config.filter.kodachrome)
this.fx.addFilter("hue", this.config.filter.hue); this.fx.addFilter("kodachrome");
if (this.config.filter.negative) if (this.config.filter.technicolor)
this.fx.addFilter("negative"); this.fx.addFilter("technicolor");
if (this.config.filter.sepia) if (this.config.filter.polaroid)
this.fx.addFilter("sepia"); this.fx.addFilter("polaroid");
if (this.config.filter.vintage) if (this.config.filter.pixelate !== 0)
this.fx.addFilter("brownie"); this.fx.addFilter("pixelate", this.config.filter.pixelate);
if (this.config.filter.sepia) filtered = this.fx.apply(offscreenCanvas);
this.fx.addFilter("sepia"); }
if (this.config.filter.kodachrome) let tensor;
this.fx.addFilter("kodachrome"); if (input instanceof tf.Tensor) {
if (this.config.filter.technicolor) tensor = tf.clone(input);
this.fx.addFilter("technicolor"); } else {
if (this.config.filter.polaroid) const canvas = filtered || input;
this.fx.addFilter("polaroid");
if (this.config.filter.pixelate !== 0)
this.fx.addFilter("pixelate", this.config.filter.pixelate);
this.outCanvas = this.fx.apply(this.inCanvas);
}
if (!this.outCanvas)
this.outCanvas = this.inCanvas;
let pixels; let pixels;
if (this.config.backend === "webgl" || this.outCanvas instanceof ImageData) { if (this.config.backend === "webgl" || canvas instanceof ImageData) {
pixels = tf.browser.fromPixels(this.outCanvas); pixels = tf.browser.fromPixels(canvas);
} else { } else {
const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
tempCanvas.width = targetWidth; tempCanvas.width = targetWidth;
tempCanvas.height = targetHeight; tempCanvas.height = targetHeight;
const tempCtx = tempCanvas.getContext("2d"); const tempCtx = tempCanvas.getContext("2d");
tempCtx.drawImage(this.outCanvas, 0, 0); tempCtx.drawImage(canvas, 0, 0);
const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight); const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight);
pixels = tf.browser.fromPixels(data); pixels = tf.browser.fromPixels(data);
} }
@ -6116,7 +6103,7 @@ class Human {
pixels.dispose(); pixels.dispose();
casted.dispose(); casted.dispose();
} }
return {tensor, canvas: this.config.filter.return ? this.outCanvas : null}; return {tensor, canvas: this.config.filter.return ? filtered : null};
} }
async detect(input, userConfig = {}) { async detect(input, userConfig = {}) {
this.state = "config"; this.state = "config";

4
dist/human.esm-nobundle.js.map vendored
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8
dist/human.esm-nobundle.json vendored
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@ -120,7 +120,7 @@
"imports": [] "imports": []
}, },
"src/human.js": { "src/human.js": {
"bytes": 14560, "bytes": 13768,
"imports": [ "imports": [
{ {
"path": "src/facemesh/facemesh.js" "path": "src/facemesh/facemesh.js"
@ -275,7 +275,7 @@
"dist/human.esm-nobundle.js.map": { "dist/human.esm-nobundle.js.map": {
"imports": [], "imports": [],
"inputs": {}, "inputs": {},
"bytes": 255849 "bytes": 254548
}, },
"dist/human.esm-nobundle.js": { "dist/human.esm-nobundle.js": {
"imports": [], "imports": [],
@ -374,13 +374,13 @@
"bytesInOutput": 3012 "bytesInOutput": 3012
}, },
"src/human.js": { "src/human.js": {
"bytesInOutput": 12748 "bytesInOutput": 11904
}, },
"src/human.js": { "src/human.js": {
"bytesInOutput": 0 "bytesInOutput": 0
} }
}, },
"bytes": 158991 "bytes": 158147
} }
} }
} }

119
dist/human.esm.js vendored
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@ -72996,12 +72996,10 @@ class Human {
this.version = app.version; this.version = app.version;
this.defaults = defaults; this.defaults = defaults;
this.config = defaults; this.config = defaults;
this.fx = null; this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas() : null;
this.state = "idle"; this.state = "idle";
this.numTensors = 0; this.numTensors = 0;
this.analyzeMemoryLeaks = false; this.analyzeMemoryLeaks = false;
this.inCanvas = null;
this.outCanvas = null;
this.models = { this.models = {
facemesh: null, facemesh: null,
posenet: null, posenet: null,
@ -73078,14 +73076,12 @@ class Human {
} }
} }
tfImage(input) { tfImage(input) {
let tensor; let filtered;
if (input instanceof tf.Tensor) { const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0;
tensor = tf.clone(input); const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0;
} else { let targetWidth = originalWidth;
const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0; let targetHeight = originalHeight;
const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0; if (this.fx && this.config.filter.enabled && !(input instanceof tf.Tensor)) {
let targetWidth = originalWidth;
let targetHeight = originalHeight;
if (this.config.filter.width > 0) if (this.config.filter.width > 0)
targetWidth = this.config.filter.width; targetWidth = this.config.filter.width;
else if (this.config.filter.height > 0) else if (this.config.filter.height > 0)
@ -73094,69 +73090,60 @@ class Human {
targetHeight = this.config.filter.height; targetHeight = this.config.filter.height;
else if (this.config.filter.width > 0) else if (this.config.filter.width > 0)
targetHeight = originalHeight * (this.config.filter.width / originalWidth); targetHeight = originalHeight * (this.config.filter.width / originalWidth);
if (!this.inCanvas || this.inCanvas.width !== originalWidth || this.inCanvas.height !== originalHeight) { const offscreenCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
this.inCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); if (offscreenCanvas.width !== targetWidth)
if (this.inCanvas.width !== targetWidth) offscreenCanvas.width = targetWidth;
this.inCanvas.width = targetWidth; if (offscreenCanvas.height !== targetHeight)
if (this.inCanvas.height !== targetHeight) offscreenCanvas.height = targetHeight;
this.inCanvas.height = targetHeight; const ctx = offscreenCanvas.getContext("2d");
}
const ctx = this.inCanvas.getContext("2d");
if (input instanceof ImageData) if (input instanceof ImageData)
ctx.putImageData(input, 0, 0); ctx.putImageData(input, 0, 0);
else else
ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, this.inCanvas.width, this.inCanvas.height); ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, offscreenCanvas.width, offscreenCanvas.height);
if (this.config.filter.enabled) { this.fx.reset();
if (!this.outCanvas || this.inCanvas.width !== this.outCanvas.width || this.inCanvas.height !== this.outCanvas.height) { this.fx.addFilter("brightness", this.config.filter.brightness);
this.outCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(this.inCanvas.width, this.inCanvas.height) : document.createElement("canvas"); if (this.config.filter.contrast !== 0)
if (this.outCanvas.width !== this.inCanvas.width) this.fx.addFilter("contrast", this.config.filter.contrast);
this.outCanvas.width = this.inCanvas.width; if (this.config.filter.sharpness !== 0)
if (this.outCanvas.height !== this.inCanvas.height) this.fx.addFilter("sharpen", this.config.filter.sharpness);
this.outCanvas.height = this.inCanvas.height; if (this.config.filter.blur !== 0)
} this.fx.addFilter("blur", this.config.filter.blur);
if (!this.fx) if (this.config.filter.saturation !== 0)
this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas({canvas: this.outCanvas}) : null; this.fx.addFilter("saturation", this.config.filter.saturation);
this.fx.reset(); if (this.config.filter.hue !== 0)
this.fx.addFilter("brightness", this.config.filter.brightness); this.fx.addFilter("hue", this.config.filter.hue);
if (this.config.filter.contrast !== 0) if (this.config.filter.negative)
this.fx.addFilter("contrast", this.config.filter.contrast); this.fx.addFilter("negative");
if (this.config.filter.sharpness !== 0) if (this.config.filter.sepia)
this.fx.addFilter("sharpen", this.config.filter.sharpness); this.fx.addFilter("sepia");
if (this.config.filter.blur !== 0) if (this.config.filter.vintage)
this.fx.addFilter("blur", this.config.filter.blur); this.fx.addFilter("brownie");
if (this.config.filter.saturation !== 0) if (this.config.filter.sepia)
this.fx.addFilter("saturation", this.config.filter.saturation); this.fx.addFilter("sepia");
if (this.config.filter.hue !== 0) if (this.config.filter.kodachrome)
this.fx.addFilter("hue", this.config.filter.hue); this.fx.addFilter("kodachrome");
if (this.config.filter.negative) if (this.config.filter.technicolor)
this.fx.addFilter("negative"); this.fx.addFilter("technicolor");
if (this.config.filter.sepia) if (this.config.filter.polaroid)
this.fx.addFilter("sepia"); this.fx.addFilter("polaroid");
if (this.config.filter.vintage) if (this.config.filter.pixelate !== 0)
this.fx.addFilter("brownie"); this.fx.addFilter("pixelate", this.config.filter.pixelate);
if (this.config.filter.sepia) filtered = this.fx.apply(offscreenCanvas);
this.fx.addFilter("sepia"); }
if (this.config.filter.kodachrome) let tensor;
this.fx.addFilter("kodachrome"); if (input instanceof tf.Tensor) {
if (this.config.filter.technicolor) tensor = tf.clone(input);
this.fx.addFilter("technicolor"); } else {
if (this.config.filter.polaroid) const canvas = filtered || input;
this.fx.addFilter("polaroid");
if (this.config.filter.pixelate !== 0)
this.fx.addFilter("pixelate", this.config.filter.pixelate);
this.outCanvas = this.fx.apply(this.inCanvas);
}
if (!this.outCanvas)
this.outCanvas = this.inCanvas;
let pixels; let pixels;
if (this.config.backend === "webgl" || this.outCanvas instanceof ImageData) { if (this.config.backend === "webgl" || canvas instanceof ImageData) {
pixels = tf.browser.fromPixels(this.outCanvas); pixels = tf.browser.fromPixels(canvas);
} else { } else {
const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
tempCanvas.width = targetWidth; tempCanvas.width = targetWidth;
tempCanvas.height = targetHeight; tempCanvas.height = targetHeight;
const tempCtx = tempCanvas.getContext("2d"); const tempCtx = tempCanvas.getContext("2d");
tempCtx.drawImage(this.outCanvas, 0, 0); tempCtx.drawImage(canvas, 0, 0);
const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight); const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight);
pixels = tf.browser.fromPixels(data); pixels = tf.browser.fromPixels(data);
} }
@ -73165,7 +73152,7 @@ class Human {
pixels.dispose(); pixels.dispose();
casted.dispose(); casted.dispose();
} }
return {tensor, canvas: this.config.filter.return ? this.outCanvas : null}; return {tensor, canvas: this.config.filter.return ? filtered : null};
} }
async detect(input, userConfig = {}) { async detect(input, userConfig = {}) {
this.state = "config"; this.state = "config";

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8
dist/human.esm.json vendored
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@ -294,7 +294,7 @@
"imports": [] "imports": []
}, },
"src/human.js": { "src/human.js": {
"bytes": 14560, "bytes": 13768,
"imports": [ "imports": [
{ {
"path": "node_modules/@tensorflow/tfjs/dist/tf.node.js" "path": "node_modules/@tensorflow/tfjs/dist/tf.node.js"
@ -481,7 +481,7 @@
"dist/human.esm.js.map": { "dist/human.esm.js.map": {
"imports": [], "imports": [],
"inputs": {}, "inputs": {},
"bytes": 5129155 "bytes": 5127854
}, },
"dist/human.esm.js": { "dist/human.esm.js": {
"imports": [], "imports": [],
@ -637,13 +637,13 @@
"bytesInOutput": 3012 "bytesInOutput": 3012
}, },
"src/human.js": { "src/human.js": {
"bytesInOutput": 12738 "bytesInOutput": 11894
}, },
"src/human.js": { "src/human.js": {
"bytesInOutput": 0 "bytesInOutput": 0
} }
}, },
"bytes": 2927957 "bytes": 2927113
} }
} }
} }

119
dist/human.js vendored
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@ -73001,12 +73001,10 @@ var Human = (() => {
this.version = app.version; this.version = app.version;
this.defaults = defaults; this.defaults = defaults;
this.config = defaults; this.config = defaults;
this.fx = null; this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas() : null;
this.state = "idle"; this.state = "idle";
this.numTensors = 0; this.numTensors = 0;
this.analyzeMemoryLeaks = false; this.analyzeMemoryLeaks = false;
this.inCanvas = null;
this.outCanvas = null;
this.models = { this.models = {
facemesh: null, facemesh: null,
posenet: null, posenet: null,
@ -73083,14 +73081,12 @@ var Human = (() => {
} }
} }
tfImage(input) { tfImage(input) {
let tensor; let filtered;
if (input instanceof tf.Tensor) { const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0;
tensor = tf.clone(input); const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0;
} else { let targetWidth = originalWidth;
const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0; let targetHeight = originalHeight;
const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0; if (this.fx && this.config.filter.enabled && !(input instanceof tf.Tensor)) {
let targetWidth = originalWidth;
let targetHeight = originalHeight;
if (this.config.filter.width > 0) if (this.config.filter.width > 0)
targetWidth = this.config.filter.width; targetWidth = this.config.filter.width;
else if (this.config.filter.height > 0) else if (this.config.filter.height > 0)
@ -73099,69 +73095,60 @@ var Human = (() => {
targetHeight = this.config.filter.height; targetHeight = this.config.filter.height;
else if (this.config.filter.width > 0) else if (this.config.filter.width > 0)
targetHeight = originalHeight * (this.config.filter.width / originalWidth); targetHeight = originalHeight * (this.config.filter.width / originalWidth);
if (!this.inCanvas || this.inCanvas.width !== originalWidth || this.inCanvas.height !== originalHeight) { const offscreenCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
this.inCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); if (offscreenCanvas.width !== targetWidth)
if (this.inCanvas.width !== targetWidth) offscreenCanvas.width = targetWidth;
this.inCanvas.width = targetWidth; if (offscreenCanvas.height !== targetHeight)
if (this.inCanvas.height !== targetHeight) offscreenCanvas.height = targetHeight;
this.inCanvas.height = targetHeight; const ctx = offscreenCanvas.getContext("2d");
}
const ctx = this.inCanvas.getContext("2d");
if (input instanceof ImageData) if (input instanceof ImageData)
ctx.putImageData(input, 0, 0); ctx.putImageData(input, 0, 0);
else else
ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, this.inCanvas.width, this.inCanvas.height); ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, offscreenCanvas.width, offscreenCanvas.height);
if (this.config.filter.enabled) { this.fx.reset();
if (!this.outCanvas || this.inCanvas.width !== this.outCanvas.width || this.inCanvas.height !== this.outCanvas.height) { this.fx.addFilter("brightness", this.config.filter.brightness);
this.outCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(this.inCanvas.width, this.inCanvas.height) : document.createElement("canvas"); if (this.config.filter.contrast !== 0)
if (this.outCanvas.width !== this.inCanvas.width) this.fx.addFilter("contrast", this.config.filter.contrast);
this.outCanvas.width = this.inCanvas.width; if (this.config.filter.sharpness !== 0)
if (this.outCanvas.height !== this.inCanvas.height) this.fx.addFilter("sharpen", this.config.filter.sharpness);
this.outCanvas.height = this.inCanvas.height; if (this.config.filter.blur !== 0)
} this.fx.addFilter("blur", this.config.filter.blur);
if (!this.fx) if (this.config.filter.saturation !== 0)
this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas({canvas: this.outCanvas}) : null; this.fx.addFilter("saturation", this.config.filter.saturation);
this.fx.reset(); if (this.config.filter.hue !== 0)
this.fx.addFilter("brightness", this.config.filter.brightness); this.fx.addFilter("hue", this.config.filter.hue);
if (this.config.filter.contrast !== 0) if (this.config.filter.negative)
this.fx.addFilter("contrast", this.config.filter.contrast); this.fx.addFilter("negative");
if (this.config.filter.sharpness !== 0) if (this.config.filter.sepia)
this.fx.addFilter("sharpen", this.config.filter.sharpness); this.fx.addFilter("sepia");
if (this.config.filter.blur !== 0) if (this.config.filter.vintage)
this.fx.addFilter("blur", this.config.filter.blur); this.fx.addFilter("brownie");
if (this.config.filter.saturation !== 0) if (this.config.filter.sepia)
this.fx.addFilter("saturation", this.config.filter.saturation); this.fx.addFilter("sepia");
if (this.config.filter.hue !== 0) if (this.config.filter.kodachrome)
this.fx.addFilter("hue", this.config.filter.hue); this.fx.addFilter("kodachrome");
if (this.config.filter.negative) if (this.config.filter.technicolor)
this.fx.addFilter("negative"); this.fx.addFilter("technicolor");
if (this.config.filter.sepia) if (this.config.filter.polaroid)
this.fx.addFilter("sepia"); this.fx.addFilter("polaroid");
if (this.config.filter.vintage) if (this.config.filter.pixelate !== 0)
this.fx.addFilter("brownie"); this.fx.addFilter("pixelate", this.config.filter.pixelate);
if (this.config.filter.sepia) filtered = this.fx.apply(offscreenCanvas);
this.fx.addFilter("sepia"); }
if (this.config.filter.kodachrome) let tensor;
this.fx.addFilter("kodachrome"); if (input instanceof tf.Tensor) {
if (this.config.filter.technicolor) tensor = tf.clone(input);
this.fx.addFilter("technicolor"); } else {
if (this.config.filter.polaroid) const canvas = filtered || input;
this.fx.addFilter("polaroid");
if (this.config.filter.pixelate !== 0)
this.fx.addFilter("pixelate", this.config.filter.pixelate);
this.outCanvas = this.fx.apply(this.inCanvas);
}
if (!this.outCanvas)
this.outCanvas = this.inCanvas;
let pixels; let pixels;
if (this.config.backend === "webgl" || this.outCanvas instanceof ImageData) { if (this.config.backend === "webgl" || canvas instanceof ImageData) {
pixels = tf.browser.fromPixels(this.outCanvas); pixels = tf.browser.fromPixels(canvas);
} else { } else {
const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
tempCanvas.width = targetWidth; tempCanvas.width = targetWidth;
tempCanvas.height = targetHeight; tempCanvas.height = targetHeight;
const tempCtx = tempCanvas.getContext("2d"); const tempCtx = tempCanvas.getContext("2d");
tempCtx.drawImage(this.outCanvas, 0, 0); tempCtx.drawImage(canvas, 0, 0);
const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight); const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight);
pixels = tf.browser.fromPixels(data); pixels = tf.browser.fromPixels(data);
} }
@ -73170,7 +73157,7 @@ var Human = (() => {
pixels.dispose(); pixels.dispose();
casted.dispose(); casted.dispose();
} }
return {tensor, canvas: this.config.filter.return ? this.outCanvas : null}; return {tensor, canvas: this.config.filter.return ? filtered : null};
} }
async detect(input, userConfig = {}) { async detect(input, userConfig = {}) {
this.state = "config"; this.state = "config";

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8
dist/human.json vendored
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@ -294,7 +294,7 @@
"imports": [] "imports": []
}, },
"src/human.js": { "src/human.js": {
"bytes": 14560, "bytes": 13768,
"imports": [ "imports": [
{ {
"path": "node_modules/@tensorflow/tfjs/dist/tf.node.js" "path": "node_modules/@tensorflow/tfjs/dist/tf.node.js"
@ -481,7 +481,7 @@
"dist/human.js.map": { "dist/human.js.map": {
"imports": [], "imports": [],
"inputs": {}, "inputs": {},
"bytes": 5133045 "bytes": 5131716
}, },
"dist/human.js": { "dist/human.js": {
"imports": [], "imports": [],
@ -637,10 +637,10 @@
"bytesInOutput": 3144 "bytesInOutput": 3144
}, },
"src/human.js": { "src/human.js": {
"bytesInOutput": 14131 "bytesInOutput": 13235
} }
}, },
"bytes": 3074083 "bytes": 3073187
} }
} }
} }

119
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@ -5950,12 +5950,10 @@ class Human {
this.version = app.version; this.version = app.version;
this.defaults = defaults; this.defaults = defaults;
this.config = defaults; this.config = defaults;
this.fx = null; this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas() : null;
this.state = "idle"; this.state = "idle";
this.numTensors = 0; this.numTensors = 0;
this.analyzeMemoryLeaks = false; this.analyzeMemoryLeaks = false;
this.inCanvas = null;
this.outCanvas = null;
this.models = { this.models = {
facemesh: null, facemesh: null,
posenet: null, posenet: null,
@ -6032,14 +6030,12 @@ class Human {
} }
} }
tfImage(input) { tfImage(input) {
let tensor; let filtered;
if (input instanceof tf.Tensor) { const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0;
tensor = tf.clone(input); const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0;
} else { let targetWidth = originalWidth;
const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0; let targetHeight = originalHeight;
const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0; if (this.fx && this.config.filter.enabled && !(input instanceof tf.Tensor)) {
let targetWidth = originalWidth;
let targetHeight = originalHeight;
if (this.config.filter.width > 0) if (this.config.filter.width > 0)
targetWidth = this.config.filter.width; targetWidth = this.config.filter.width;
else if (this.config.filter.height > 0) else if (this.config.filter.height > 0)
@ -6048,69 +6044,60 @@ class Human {
targetHeight = this.config.filter.height; targetHeight = this.config.filter.height;
else if (this.config.filter.width > 0) else if (this.config.filter.width > 0)
targetHeight = originalHeight * (this.config.filter.width / originalWidth); targetHeight = originalHeight * (this.config.filter.width / originalWidth);
if (!this.inCanvas || this.inCanvas.width !== originalWidth || this.inCanvas.height !== originalHeight) { const offscreenCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
this.inCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); if (offscreenCanvas.width !== targetWidth)
if (this.inCanvas.width !== targetWidth) offscreenCanvas.width = targetWidth;
this.inCanvas.width = targetWidth; if (offscreenCanvas.height !== targetHeight)
if (this.inCanvas.height !== targetHeight) offscreenCanvas.height = targetHeight;
this.inCanvas.height = targetHeight; const ctx = offscreenCanvas.getContext("2d");
}
const ctx = this.inCanvas.getContext("2d");
if (input instanceof ImageData) if (input instanceof ImageData)
ctx.putImageData(input, 0, 0); ctx.putImageData(input, 0, 0);
else else
ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, this.inCanvas.width, this.inCanvas.height); ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, offscreenCanvas.width, offscreenCanvas.height);
if (this.config.filter.enabled) { this.fx.reset();
if (!this.outCanvas || this.inCanvas.width !== this.outCanvas.width || this.inCanvas.height !== this.outCanvas.height) { this.fx.addFilter("brightness", this.config.filter.brightness);
this.outCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(this.inCanvas.width, this.inCanvas.height) : document.createElement("canvas"); if (this.config.filter.contrast !== 0)
if (this.outCanvas.width !== this.inCanvas.width) this.fx.addFilter("contrast", this.config.filter.contrast);
this.outCanvas.width = this.inCanvas.width; if (this.config.filter.sharpness !== 0)
if (this.outCanvas.height !== this.inCanvas.height) this.fx.addFilter("sharpen", this.config.filter.sharpness);
this.outCanvas.height = this.inCanvas.height; if (this.config.filter.blur !== 0)
} this.fx.addFilter("blur", this.config.filter.blur);
if (!this.fx) if (this.config.filter.saturation !== 0)
this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas({canvas: this.outCanvas}) : null; this.fx.addFilter("saturation", this.config.filter.saturation);
this.fx.reset(); if (this.config.filter.hue !== 0)
this.fx.addFilter("brightness", this.config.filter.brightness); this.fx.addFilter("hue", this.config.filter.hue);
if (this.config.filter.contrast !== 0) if (this.config.filter.negative)
this.fx.addFilter("contrast", this.config.filter.contrast); this.fx.addFilter("negative");
if (this.config.filter.sharpness !== 0) if (this.config.filter.sepia)
this.fx.addFilter("sharpen", this.config.filter.sharpness); this.fx.addFilter("sepia");
if (this.config.filter.blur !== 0) if (this.config.filter.vintage)
this.fx.addFilter("blur", this.config.filter.blur); this.fx.addFilter("brownie");
if (this.config.filter.saturation !== 0) if (this.config.filter.sepia)
this.fx.addFilter("saturation", this.config.filter.saturation); this.fx.addFilter("sepia");
if (this.config.filter.hue !== 0) if (this.config.filter.kodachrome)
this.fx.addFilter("hue", this.config.filter.hue); this.fx.addFilter("kodachrome");
if (this.config.filter.negative) if (this.config.filter.technicolor)
this.fx.addFilter("negative"); this.fx.addFilter("technicolor");
if (this.config.filter.sepia) if (this.config.filter.polaroid)
this.fx.addFilter("sepia"); this.fx.addFilter("polaroid");
if (this.config.filter.vintage) if (this.config.filter.pixelate !== 0)
this.fx.addFilter("brownie"); this.fx.addFilter("pixelate", this.config.filter.pixelate);
if (this.config.filter.sepia) filtered = this.fx.apply(offscreenCanvas);
this.fx.addFilter("sepia"); }
if (this.config.filter.kodachrome) let tensor;
this.fx.addFilter("kodachrome"); if (input instanceof tf.Tensor) {
if (this.config.filter.technicolor) tensor = tf.clone(input);
this.fx.addFilter("technicolor"); } else {
if (this.config.filter.polaroid) const canvas = filtered || input;
this.fx.addFilter("polaroid");
if (this.config.filter.pixelate !== 0)
this.fx.addFilter("pixelate", this.config.filter.pixelate);
this.outCanvas = this.fx.apply(this.inCanvas);
}
if (!this.outCanvas)
this.outCanvas = this.inCanvas;
let pixels; let pixels;
if (this.config.backend === "webgl" || this.outCanvas instanceof ImageData) { if (this.config.backend === "webgl" || canvas instanceof ImageData) {
pixels = tf.browser.fromPixels(this.outCanvas); pixels = tf.browser.fromPixels(canvas);
} else { } else {
const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
tempCanvas.width = targetWidth; tempCanvas.width = targetWidth;
tempCanvas.height = targetHeight; tempCanvas.height = targetHeight;
const tempCtx = tempCanvas.getContext("2d"); const tempCtx = tempCanvas.getContext("2d");
tempCtx.drawImage(this.outCanvas, 0, 0); tempCtx.drawImage(canvas, 0, 0);
const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight); const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight);
pixels = tf.browser.fromPixels(data); pixels = tf.browser.fromPixels(data);
} }
@ -6119,7 +6106,7 @@ class Human {
pixels.dispose(); pixels.dispose();
casted.dispose(); casted.dispose();
} }
return {tensor, canvas: this.config.filter.return ? this.outCanvas : null}; return {tensor, canvas: this.config.filter.return ? filtered : null};
} }
async detect(input, userConfig = {}) { async detect(input, userConfig = {}) {
this.state = "config"; this.state = "config";

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@ -74041,12 +74041,10 @@ class Human {
this.version = app.version; this.version = app.version;
this.defaults = defaults; this.defaults = defaults;
this.config = defaults; this.config = defaults;
this.fx = null; this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas() : null;
this.state = "idle"; this.state = "idle";
this.numTensors = 0; this.numTensors = 0;
this.analyzeMemoryLeaks = false; this.analyzeMemoryLeaks = false;
this.inCanvas = null;
this.outCanvas = null;
this.models = { this.models = {
facemesh: null, facemesh: null,
posenet: null, posenet: null,
@ -74123,14 +74121,12 @@ class Human {
} }
} }
tfImage(input) { tfImage(input) {
let tensor; let filtered;
if (input instanceof tf.Tensor) { const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0;
tensor = tf.clone(input); const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0;
} else { let targetWidth = originalWidth;
const originalWidth = input.naturalWidth || input.videoWidth || input.width || input.shape && input.shape[1] > 0; let targetHeight = originalHeight;
const originalHeight = input.naturalHeight || input.videoHeight || input.height || input.shape && input.shape[2] > 0; if (this.fx && this.config.filter.enabled && !(input instanceof tf.Tensor)) {
let targetWidth = originalWidth;
let targetHeight = originalHeight;
if (this.config.filter.width > 0) if (this.config.filter.width > 0)
targetWidth = this.config.filter.width; targetWidth = this.config.filter.width;
else if (this.config.filter.height > 0) else if (this.config.filter.height > 0)
@ -74139,69 +74135,60 @@ class Human {
targetHeight = this.config.filter.height; targetHeight = this.config.filter.height;
else if (this.config.filter.width > 0) else if (this.config.filter.width > 0)
targetHeight = originalHeight * (this.config.filter.width / originalWidth); targetHeight = originalHeight * (this.config.filter.width / originalWidth);
if (!this.inCanvas || this.inCanvas.width !== originalWidth || this.inCanvas.height !== originalHeight) { const offscreenCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
this.inCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); if (offscreenCanvas.width !== targetWidth)
if (this.inCanvas.width !== targetWidth) offscreenCanvas.width = targetWidth;
this.inCanvas.width = targetWidth; if (offscreenCanvas.height !== targetHeight)
if (this.inCanvas.height !== targetHeight) offscreenCanvas.height = targetHeight;
this.inCanvas.height = targetHeight; const ctx = offscreenCanvas.getContext("2d");
}
const ctx = this.inCanvas.getContext("2d");
if (input instanceof ImageData) if (input instanceof ImageData)
ctx.putImageData(input, 0, 0); ctx.putImageData(input, 0, 0);
else else
ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, this.inCanvas.width, this.inCanvas.height); ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, offscreenCanvas.width, offscreenCanvas.height);
if (this.config.filter.enabled) { this.fx.reset();
if (!this.outCanvas || this.inCanvas.width !== this.outCanvas.width || this.inCanvas.height !== this.outCanvas.height) { this.fx.addFilter("brightness", this.config.filter.brightness);
this.outCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(this.inCanvas.width, this.inCanvas.height) : document.createElement("canvas"); if (this.config.filter.contrast !== 0)
if (this.outCanvas.width !== this.inCanvas.width) this.fx.addFilter("contrast", this.config.filter.contrast);
this.outCanvas.width = this.inCanvas.width; if (this.config.filter.sharpness !== 0)
if (this.outCanvas.height !== this.inCanvas.height) this.fx.addFilter("sharpen", this.config.filter.sharpness);
this.outCanvas.height = this.inCanvas.height; if (this.config.filter.blur !== 0)
} this.fx.addFilter("blur", this.config.filter.blur);
if (!this.fx) if (this.config.filter.saturation !== 0)
this.fx = tf.ENV.flags.IS_BROWSER && typeof document !== "undefined" ? new fxImage.Canvas({canvas: this.outCanvas}) : null; this.fx.addFilter("saturation", this.config.filter.saturation);
this.fx.reset(); if (this.config.filter.hue !== 0)
this.fx.addFilter("brightness", this.config.filter.brightness); this.fx.addFilter("hue", this.config.filter.hue);
if (this.config.filter.contrast !== 0) if (this.config.filter.negative)
this.fx.addFilter("contrast", this.config.filter.contrast); this.fx.addFilter("negative");
if (this.config.filter.sharpness !== 0) if (this.config.filter.sepia)
this.fx.addFilter("sharpen", this.config.filter.sharpness); this.fx.addFilter("sepia");
if (this.config.filter.blur !== 0) if (this.config.filter.vintage)
this.fx.addFilter("blur", this.config.filter.blur); this.fx.addFilter("brownie");
if (this.config.filter.saturation !== 0) if (this.config.filter.sepia)
this.fx.addFilter("saturation", this.config.filter.saturation); this.fx.addFilter("sepia");
if (this.config.filter.hue !== 0) if (this.config.filter.kodachrome)
this.fx.addFilter("hue", this.config.filter.hue); this.fx.addFilter("kodachrome");
if (this.config.filter.negative) if (this.config.filter.technicolor)
this.fx.addFilter("negative"); this.fx.addFilter("technicolor");
if (this.config.filter.sepia) if (this.config.filter.polaroid)
this.fx.addFilter("sepia"); this.fx.addFilter("polaroid");
if (this.config.filter.vintage) if (this.config.filter.pixelate !== 0)
this.fx.addFilter("brownie"); this.fx.addFilter("pixelate", this.config.filter.pixelate);
if (this.config.filter.sepia) filtered = this.fx.apply(offscreenCanvas);
this.fx.addFilter("sepia"); }
if (this.config.filter.kodachrome) let tensor;
this.fx.addFilter("kodachrome"); if (input instanceof tf.Tensor) {
if (this.config.filter.technicolor) tensor = tf.clone(input);
this.fx.addFilter("technicolor"); } else {
if (this.config.filter.polaroid) const canvas = filtered || input;
this.fx.addFilter("polaroid");
if (this.config.filter.pixelate !== 0)
this.fx.addFilter("pixelate", this.config.filter.pixelate);
this.outCanvas = this.fx.apply(this.inCanvas);
}
if (!this.outCanvas)
this.outCanvas = this.inCanvas;
let pixels; let pixels;
if (this.config.backend === "webgl" || this.outCanvas instanceof ImageData) { if (this.config.backend === "webgl" || canvas instanceof ImageData) {
pixels = tf.browser.fromPixels(this.outCanvas); pixels = tf.browser.fromPixels(canvas);
} else { } else {
const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas"); const tempCanvas = typeof OffscreenCanvas !== "undefined" ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement("canvas");
tempCanvas.width = targetWidth; tempCanvas.width = targetWidth;
tempCanvas.height = targetHeight; tempCanvas.height = targetHeight;
const tempCtx = tempCanvas.getContext("2d"); const tempCtx = tempCanvas.getContext("2d");
tempCtx.drawImage(this.outCanvas, 0, 0); tempCtx.drawImage(canvas, 0, 0);
const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight); const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight);
pixels = tf.browser.fromPixels(data); pixels = tf.browser.fromPixels(data);
} }
@ -74210,7 +74197,7 @@ class Human {
pixels.dispose(); pixels.dispose();
casted.dispose(); casted.dispose();
} }
return {tensor, canvas: this.config.filter.return ? this.outCanvas : null}; return {tensor, canvas: this.config.filter.return ? filtered : null};
} }
async detect(input, userConfig = {}) { async detect(input, userConfig = {}) {
this.state = "config"; this.state = "config";

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8
dist/human.node.json vendored
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@ -120,7 +120,7 @@
"imports": [] "imports": []
}, },
"src/human.js": { "src/human.js": {
"bytes": 14560, "bytes": 13768,
"imports": [ "imports": [
{ {
"path": "src/facemesh/facemesh.js" "path": "src/facemesh/facemesh.js"
@ -275,7 +275,7 @@
"dist/human.node-nobundle.js.map": { "dist/human.node-nobundle.js.map": {
"imports": [], "imports": [],
"inputs": {}, "inputs": {},
"bytes": 270803 "bytes": 268701
}, },
"dist/human.node-nobundle.js": { "dist/human.node-nobundle.js": {
"imports": [], "imports": [],
@ -377,10 +377,10 @@
"bytesInOutput": 47 "bytesInOutput": 47
}, },
"src/human.js": { "src/human.js": {
"bytesInOutput": 12748 "bytesInOutput": 11904
} }
}, },
"bytes": 159148 "bytes": 158304
} }
} }
} }

87
src/human.js
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@ -61,13 +61,10 @@ class Human {
this.version = app.version; this.version = app.version;
this.defaults = defaults; this.defaults = defaults;
this.config = defaults; this.config = defaults;
this.fx = null; this.fx = (tf.ENV.flags.IS_BROWSER && (typeof document !== 'undefined')) ? new fxImage.Canvas() : null;
this.state = 'idle'; this.state = 'idle';
this.numTensors = 0; this.numTensors = 0;
this.analyzeMemoryLeaks = false; this.analyzeMemoryLeaks = false;
// internal temp canvases
this.inCanvas = null;
this.outCanvas = null;
// object that contains all initialized models // object that contains all initialized models
this.models = { this.models = {
facemesh: null, facemesh: null,
@ -163,62 +160,56 @@ class Human {
} }
tfImage(input) { tfImage(input) {
let tensor; // let imageData;
if (input instanceof tf.Tensor) { let filtered;
tensor = tf.clone(input); const originalWidth = input.naturalWidth || input.videoWidth || input.width || (input.shape && (input.shape[1] > 0));
} else { const originalHeight = input.naturalHeight || input.videoHeight || input.height || (input.shape && (input.shape[2] > 0));
const originalWidth = input.naturalWidth || input.videoWidth || input.width || (input.shape && (input.shape[1] > 0)); let targetWidth = originalWidth;
const originalHeight = input.naturalHeight || input.videoHeight || input.height || (input.shape && (input.shape[2] > 0)); let targetHeight = originalHeight;
let targetWidth = originalWidth; if (this.fx && this.config.filter.enabled && !(input instanceof tf.Tensor)) {
let targetHeight = originalHeight;
if (this.config.filter.width > 0) targetWidth = this.config.filter.width; if (this.config.filter.width > 0) targetWidth = this.config.filter.width;
else if (this.config.filter.height > 0) targetWidth = originalWidth * (this.config.filter.height / originalHeight); else if (this.config.filter.height > 0) targetWidth = originalWidth * (this.config.filter.height / originalHeight);
if (this.config.filter.height > 0) targetHeight = this.config.filter.height; if (this.config.filter.height > 0) targetHeight = this.config.filter.height;
else if (this.config.filter.width > 0) targetHeight = originalHeight * (this.config.filter.width / originalWidth); else if (this.config.filter.width > 0) targetHeight = originalHeight * (this.config.filter.width / originalWidth);
if (!this.inCanvas || (this.inCanvas.width !== originalWidth) || (this.inCanvas.height !== originalHeight)) { const offscreenCanvas = (typeof OffscreenCanvas !== 'undefined') ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement('canvas');
this.inCanvas = (typeof OffscreenCanvas !== 'undefined') ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement('canvas'); if (offscreenCanvas.width !== targetWidth) offscreenCanvas.width = targetWidth;
if (this.inCanvas.width !== targetWidth) this.inCanvas.width = targetWidth; if (offscreenCanvas.height !== targetHeight) offscreenCanvas.height = targetHeight;
if (this.inCanvas.height !== targetHeight) this.inCanvas.height = targetHeight; const ctx = offscreenCanvas.getContext('2d');
}
const ctx = this.inCanvas.getContext('2d');
if (input instanceof ImageData) ctx.putImageData(input, 0, 0); if (input instanceof ImageData) ctx.putImageData(input, 0, 0);
else ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, this.inCanvas.width, this.inCanvas.height); else ctx.drawImage(input, 0, 0, originalWidth, originalHeight, 0, 0, offscreenCanvas.width, offscreenCanvas.height);
if (this.config.filter.enabled) { this.fx.reset();
if (!this.outCanvas || (this.inCanvas.width !== this.outCanvas.width) || (this.inCanvas.height !== this.outCanvas.height)) { this.fx.addFilter('brightness', this.config.filter.brightness); // must have at least one filter enabled
this.outCanvas = (typeof OffscreenCanvas !== 'undefined') ? new OffscreenCanvas(this.inCanvas.width, this.inCanvas.height) : document.createElement('canvas'); if (this.config.filter.contrast !== 0) this.fx.addFilter('contrast', this.config.filter.contrast);
if (this.outCanvas.width !== this.inCanvas.width) this.outCanvas.width = this.inCanvas.width; if (this.config.filter.sharpness !== 0) this.fx.addFilter('sharpen', this.config.filter.sharpness);
if (this.outCanvas.height !== this.inCanvas.height) this.outCanvas.height = this.inCanvas.height; if (this.config.filter.blur !== 0) this.fx.addFilter('blur', this.config.filter.blur);
} if (this.config.filter.saturation !== 0) this.fx.addFilter('saturation', this.config.filter.saturation);
if (!this.fx) this.fx = (tf.ENV.flags.IS_BROWSER && (typeof document !== 'undefined')) ? new fxImage.Canvas({ canvas: this.outCanvas }) : null; if (this.config.filter.hue !== 0) this.fx.addFilter('hue', this.config.filter.hue);
this.fx.reset(); if (this.config.filter.negative) this.fx.addFilter('negative');
this.fx.addFilter('brightness', this.config.filter.brightness); // must have at least one filter enabled if (this.config.filter.sepia) this.fx.addFilter('sepia');
if (this.config.filter.contrast !== 0) this.fx.addFilter('contrast', this.config.filter.contrast); if (this.config.filter.vintage) this.fx.addFilter('brownie');
if (this.config.filter.sharpness !== 0) this.fx.addFilter('sharpen', this.config.filter.sharpness); if (this.config.filter.sepia) this.fx.addFilter('sepia');
if (this.config.filter.blur !== 0) this.fx.addFilter('blur', this.config.filter.blur); if (this.config.filter.kodachrome) this.fx.addFilter('kodachrome');
if (this.config.filter.saturation !== 0) this.fx.addFilter('saturation', this.config.filter.saturation); if (this.config.filter.technicolor) this.fx.addFilter('technicolor');
if (this.config.filter.hue !== 0) this.fx.addFilter('hue', this.config.filter.hue); if (this.config.filter.polaroid) this.fx.addFilter('polaroid');
if (this.config.filter.negative) this.fx.addFilter('negative'); if (this.config.filter.pixelate !== 0) this.fx.addFilter('pixelate', this.config.filter.pixelate);
if (this.config.filter.sepia) this.fx.addFilter('sepia'); filtered = this.fx.apply(offscreenCanvas);
if (this.config.filter.vintage) this.fx.addFilter('brownie'); }
if (this.config.filter.sepia) this.fx.addFilter('sepia'); let tensor;
if (this.config.filter.kodachrome) this.fx.addFilter('kodachrome'); if (input instanceof tf.Tensor) {
if (this.config.filter.technicolor) this.fx.addFilter('technicolor'); tensor = tf.clone(input);
if (this.config.filter.polaroid) this.fx.addFilter('polaroid'); } else {
if (this.config.filter.pixelate !== 0) this.fx.addFilter('pixelate', this.config.filter.pixelate); const canvas = filtered || input;
this.outCanvas = this.fx.apply(this.inCanvas);
}
if (!this.outCanvas) this.outCanvas = this.inCanvas;
let pixels; let pixels;
if ((this.config.backend === 'webgl') || (this.outCanvas instanceof ImageData)) { if ((this.config.backend === 'webgl') || (canvas instanceof ImageData)) {
// tf kernel-optimized method to get imagedata, also if input is imagedata, just use it // tf kernel-optimized method to get imagedata, also if input is imagedata, just use it
pixels = tf.browser.fromPixels(this.outCanvas); pixels = tf.browser.fromPixels(canvas);
} else { } else {
// cpu and wasm kernel does not implement efficient fromPixels method nor we can use canvas as-is, so we do a silly one more canvas // cpu and wasm kernel does not implement efficient fromPixels method nor we can use canvas as-is, so we do a silly one more canvas
const tempCanvas = (typeof OffscreenCanvas !== 'undefined') ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement('canvas'); const tempCanvas = (typeof OffscreenCanvas !== 'undefined') ? new OffscreenCanvas(targetWidth, targetHeight) : document.createElement('canvas');
tempCanvas.width = targetWidth; tempCanvas.width = targetWidth;
tempCanvas.height = targetHeight; tempCanvas.height = targetHeight;
const tempCtx = tempCanvas.getContext('2d'); const tempCtx = tempCanvas.getContext('2d');
tempCtx.drawImage(this.outCanvas, 0, 0); tempCtx.drawImage(canvas, 0, 0);
const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight); const data = tempCtx.getImageData(0, 0, targetWidth, targetHeight);
pixels = tf.browser.fromPixels(data); pixels = tf.browser.fromPixels(data);
} }
@ -227,7 +218,7 @@ class Human {
pixels.dispose(); pixels.dispose();
casted.dispose(); casted.dispose();
} }
return { tensor, canvas: this.config.filter.return ? this.outCanvas : null }; return { tensor, canvas: this.config.filter.return ? filtered : null };
} }
async detect(input, userConfig = {}) { async detect(input, userConfig = {}) {