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human
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added demo load image from http

pull/134/head
Vladimir Mandic 2021-04-19 11:15:29 -04:00
parent 547d599479
commit cbc7ff9276
1 changed files with 12 additions and 2 deletions
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14
demo/node.js
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@ -1,6 +1,7 @@
const log = require('@vladmandic/pilogger');
const fs = require('fs');
const process = require('process');
const fetch = require('node-fetch').default;
// for NodeJS, `tfjs-node` or `tfjs-node-gpu` should be loaded before using Human
const tf = require('@tensorflow/tfjs-node'); // or const tf = require('@tensorflow/tfjs-node-gpu');
@ -49,7 +50,16 @@ async function init() {
async function detect(input) {
// read input image file and create tensor to be used for processing
const buffer = fs.readFileSync(input);
let buffer;
log.info('Loading image:', input);
if (input.startsWith('http')) {
const res = await fetch(input);
const mime = res.headers.get('content-type');
if (res && res.ok) buffer = await res.buffer();
else log.error('Invalid image URL:', input, res.status, res.statusText, mime);
} else {
buffer = fs.readFileSync(input);
}
const decoded = human.tf.node.decodeImage(buffer);
const casted = decoded.toFloat();
const image = casted.expandDims(0);
@ -111,7 +121,7 @@ async function main() {
if (process.argv.length !== 3) {
log.warn('Parameters: <input image> missing');
await test();
} else if (!fs.existsSync(process.argv[2])) {
} else if (!fs.existsSync(process.argv[2]) && !process.argv[2].startsWith('http')) {
log.error(`File not found: ${process.argv[2]}`);
} else {
await detect(process.argv[2]);