diff --git a/config.js b/config.js
index 928194d4..3daf8bcc 100644
--- a/config.js
+++ b/config.js
@@ -76,10 +76,10 @@ export default {
                              // e.g., if model is running st 25 FPS, we can re-use existing bounding
                              // box for updated face analysis as the head probably hasn't moved much
                              // in short time (10 * 1/25 = 0.25 sec)
-      minConfidence: 0.5,    // threshold for discarding a prediction
+      minConfidence: 0.2,    // threshold for discarding a prediction
       iouThreshold: 0.2,     // threshold for deciding whether boxes overlap too much in
                              // non-maximum suppression (0.1 means drop if overlap 10%)
-      scoreThreshold: 0.5,   // threshold for deciding when to remove boxes based on score
+      scoreThreshold: 0.2,   // threshold for deciding when to remove boxes based on score
                              // in non-maximum suppression,
                              // this is applied on detection objects only and before minConfidence
     },
@@ -108,8 +108,8 @@ export default {
 
     gender: {
       enabled: true,
-      minConfidence: 0.1,    // threshold for discarding a prediction
-      modelPath: '../models/gender-ssrnet-imdb.json', // can be 'gender', 'gender-ssrnet-imdb' or 'gender-ssrnet-wiki'
+      minConfidence: 0.4,    // threshold for discarding a prediction
+      modelPath: '../models/gender.json', // can be 'gender', 'gender-ssrnet-imdb' or 'gender-ssrnet-wiki'
       inputSize: 64,         // fixed value
       skipFrames: 41,        // how many frames to go without re-running the detector
                              // only used for video inputs
diff --git a/demo/browser.js b/demo/browser.js
index 075a6529..e55e395b 100644
--- a/demo/browser.js
+++ b/demo/browser.js
@@ -36,7 +36,7 @@ const ui = {
   facing: true,
   useWorker: false,
   worker: 'worker.js',
-  samples: ['../assets/sample6.jpg', '../assets/sample1.jpg', '../assets/sample4.jpg', '../assets/sample5.jpg', '../assets/sample3.jpg', '../assets/sample2.jpg'],
+  samples: ['../assets/sample6.jpg', '../assets/sample1.jpg', '../assets/sample4.jpg', '../assets/sample5.jpg', '../assets/sample3.jpg', '../assets/sample2.jpg', '../assets/sample7.jpg', '../assets/sample8.jpg'],
   compare: '../assets/sample-me.jpg',
   drawBoxes: true,
   drawPoints: false,
@@ -395,7 +395,7 @@ async function detectVideo() {
 async function detectSampleImages() {
   document.getElementById('play').style.display = 'none';
   userConfig.videoOptimized = false;
-  const size = Math.trunc(window.devicePixelRatio * (8 + (4 * ui.columns)));
+  const size = Math.trunc(window.devicePixelRatio * (12 + (4 * ui.columns)));
   ui.baseFont = ui.baseFontProto.replace(/{size}/, `${size}px`);
   ui.baseLineHeight = size + 2;
   document.getElementById('canvas').style.display = 'none';
diff --git a/src/human.ts b/src/human.ts
index be8c901e..f60718b8 100644
--- a/src/human.ts
+++ b/src/human.ts
@@ -219,8 +219,8 @@ class Human {
           log('changing webgl: WEBGL_DELETE_TEXTURE_THRESHOLD:', this.config.deallocate);
           this.tf.ENV.set('WEBGL_DELETE_TEXTURE_THRESHOLD', this.config.deallocate ? 0 : -1);
         }
-        this.tf.ENV.set('WEBGL_FORCE_F16_TEXTURES', true);
-        this.tf.ENV.set('WEBGL_PACK_DEPTHWISECONV', true);
+        // this.tf.ENV.set('WEBGL_FORCE_F16_TEXTURES', true);
+        // this.tf.ENV.set('WEBGL_PACK_DEPTHWISECONV', true);
         const gl = await this.tf.backend().getGPGPUContext().gl;
         log(`gl version:${gl.getParameter(gl.VERSION)} renderer:${gl.getParameter(gl.RENDERER)}`);
       }
diff --git a/src/image.ts b/src/image.ts
index d21b2a39..789b9e05 100644
--- a/src/image.ts
+++ b/src/image.ts
@@ -43,7 +43,7 @@ export function process(input, config) {
         outCanvas = (typeof OffscreenCanvas !== 'undefined') ? new OffscreenCanvas(inCanvas.width, inCanvas.height) : document.createElement('canvas');
         if (outCanvas.width !== inCanvas.width) outCanvas.width = inCanvas.width;
         if (outCanvas.height !== inCanvas.height) outCanvas.height = inCanvas.height;
-        log('created FX filter');
+        // log('created FX filter');
         fx = tf.ENV.flags.IS_BROWSER ? new fxImage.GLImageFilter({ canvas: outCanvas }) : null; // && (typeof document !== 'undefined')
       }
       if (!fx) return inCanvas;
diff --git a/src/tfjs/backend.ts b/src/tfjs/backend.ts
index 799394cf..4e7f3f9e 100644
--- a/src/tfjs/backend.ts
+++ b/src/tfjs/backend.ts
@@ -63,9 +63,9 @@ export function register() {
     try {
       tf.ENV.set('WEBGL_VERSION', 2);
       // @ts-ignore
-      tf.ENV.set('WEBGL_MAX_TEXTURE_SIZE', config.gl.getParameter(config.gl.MAX_TEXTURE_SIZE));
-      tf.ENV.set('WEBGL_FORCE_F16_TEXTURES', true);
-      tf.ENV.set('WEBGL_PACK_DEPTHWISECONV', true);
+      // tf.ENV.set('WEBGL_MAX_TEXTURE_SIZE', config.gl.getParameter(config.gl.MAX_TEXTURE_SIZE));
+      // tf.ENV.set('WEBGL_FORCE_F16_TEXTURES', true);
+      // tf.ENV.set('WEBGL_PACK_DEPTHWISECONV', true);
     } catch (err) {
       log('error: cannot set WebGL backend flags:', err);
       return;