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Adding nose support #251

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Adding nose support #251

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3b0c0c0
adding nose
wellermiranda Oct 4, 2017
373c5b1
nose example
wellermiranda Oct 4, 2017
3403fd3
testing nose
wellermiranda Oct 6, 2017
55ed4d9
changing run-sequence
wellermiranda Oct 9, 2017
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6 changes: 3 additions & 3 deletions build/data/eye-min.js
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4 changes: 2 additions & 2 deletions build/data/eye.js
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6 changes: 3 additions & 3 deletions build/data/face-min.js
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4 changes: 2 additions & 2 deletions build/data/face.js
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6 changes: 3 additions & 3 deletions build/data/mouth-min.js
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4 changes: 2 additions & 2 deletions build/data/mouth.js
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8 changes: 8 additions & 0 deletions build/data/nose-min.js
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8 changes: 8 additions & 0 deletions build/data/nose.js
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11 changes: 9 additions & 2 deletions build/tracking.js
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Original file line number Diff line number Diff line change
Expand Up @@ -236,6 +236,8 @@
var width;
var height;


// FIXME here the video display size of the analysed size
var resizeCanvas_ = function() {
width = element.offsetWidth;
height = element.offsetHeight;
Expand All @@ -245,6 +247,11 @@
resizeCanvas_();
element.addEventListener('resize', resizeCanvas_);


// FIXME: do a process function - it is up to the caller to handle the frequency of detection
// it seems all handled in the tracking.TrackerTask..
// so in short, remove the tracking.TrackerTask from here
// if the user want to use it, it can create it himself
var requestId;
var requestAnimationFrame_ = function() {
requestId = window.requestAnimationFrame(function() {
Expand Down Expand Up @@ -2939,7 +2946,7 @@
tracking.LBF.maxNumStages
);
}

// NOTE: is this thesholding suitable ? if it is on image, why no skin-color filter ? and a adaptative threshold
pixels = tracking.Image.grayscale(pixels, width, height, false);

pixels = tracking.Image.equalizeHist(pixels, width, height);
Expand Down Expand Up @@ -3108,4 +3115,4 @@
this.leafnodes = data.id_leafnodes;
}

}());
}());
67 changes: 67 additions & 0 deletions examples/nose_camera.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,67 @@
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>tracking.js - nose with camera</title>
<link rel="stylesheet" href="assets/demo.css">

<script src="../build/tracking-min.js"></script>
<script src="../build/data/nose-min.js"></script>
<script src="../node_modules/dat.gui/build/dat.gui.min.js"></script>
<script src="assets/stats.min.js"></script>

<style>
video, canvas {
margin-left: 230px;
margin-top: 120px;
position: absolute;
}
</style>
</head>
<body>
<div class="demo-title">
<p><a href="http://trackingjs.com" target="_parent">tracking.js</a> － get user's webcam and detect noses</p>
</div>

<div class="demo-frame">
<div class="demo-container">
<video id="video" width="320" height="240" preload autoplay loop muted></video>
<canvas id="canvas" width="320" height="240"></canvas>
</div>
</div>

<script>
window.onload = function() {
var video = document.getElementById('video');
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');

var tracker = new tracking.ObjectTracker('nose');
tracker.setInitialScale(4);
tracker.setStepSize(2);
tracker.setEdgesDensity(0.1);

tracking.track('#video', tracker, { camera: true });

tracker.on('track', function(event) {
context.clearRect(0, 0, canvas.width, canvas.height);

event.data.forEach(function(rect) {
context.strokeStyle = '#a64ceb';
context.strokeRect(rect.x, rect.y, rect.width, rect.height);
context.font = '11px Helvetica';
context.fillStyle = "#fff";
context.fillText('x: ' + rect.x + 'px', rect.x + rect.width + 5, rect.y + 11);
context.fillText('y: ' + rect.y + 'px', rect.x + rect.width + 5, rect.y + 22);
});
});

var gui = new dat.GUI();
gui.add(tracker, 'edgesDensity', 0.1, 0.5).step(0.01);
gui.add(tracker, 'initialScale', 1.0, 10.0).step(0.1);
gui.add(tracker, 'stepSize', 1, 5).step(0.1);
};
</script>

</body>
</html>
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