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ComunicWeb/assets/3rdparty/tensorflow-models/body-pix-2.0.js

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/**
* @license
* Copyright 2020 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("@tensorflow/tfjs-core"),require("@tensorflow/tfjs-converter")):"function"==typeof define&&define.amd?define(["exports","@tensorflow/tfjs-core","@tensorflow/tfjs-converter"],e):e(t.bodyPix={},t.tf,t.tf)}(this,function(t,e,n){"use strict";var r=function(t,e){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n])})(t,e)};function o(t,e){function n(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(n.prototype=e.prototype,new n)}var i=function(){return(i=Object.assign||function(t){for(var e,n=1,r=arguments.length;n<r;n++)for(var o in e=arguments[n])Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o]);return t}).apply(this,arguments)};function a(t,e,n,r){return new(n||(n=Promise))(function(o,i){function a(t){try{u(r.next(t))}catch(t){i(t)}}function 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R=[["nose","leftEye"],["leftEye","leftEar"],["nose","rightEye"],["rightEye","rightEar"],["nose","leftShoulder"],["leftShoulder","leftElbow"],["leftElbow","leftWrist"],["leftShoulder","leftHip"],["leftHip","leftKnee"],["leftKnee","leftAnkle"],["nose","rightShoulder"],["rightShoulder","rightElbow"],["rightElbow","rightWrist"],["rightShoulder","rightHip"],["rightHip","rightKnee"],["rightKnee","rightAnkle"]].map(function(t){var e=t[0],n=t[1];return[p[e],p[n]]}),H=R.map(function(t){return t[1]}),T=R.map(function(t){return t[0]});function B(t,e,n,r){return{y:w(Math.round(t.y/e),0,n-1),x:w(Math.round(t.x/e),0,r-1)}}function F(t,e,n,r,o,i,a,s){void 0===s&&(s=2);for(var u=r.shape,d=u[0],f=u[1],l=function(t,e,n){var r=n.shape[2]/2;return{y:n.get(e.y,e.x,t),x:n.get(e.y,e.x,r+t)}}(t,B(e.position,i,d,f),a),h=y(e.position,l),p=0;p<s;p++){var m=B(h,i,d,f),v=g(m.y,m.x,n,o);h=y({x:m.x*i,y:m.y*i},{x:v.x,y:v.y})}var w=B(h,i,d,f),b=r.get(w.y,w.x,n);return{position:h,part:c[n],score:b}}function 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ot={architecture:"MobileNetV1",outputStride:16,quantBytes:4,multiplier:.75},it=["MobileNetV1","ResNet50"],at={MobileNetV1:[8,16,32],ResNet50:[32,16]},st={MobileNetV1:[.5,.75,1],ResNet50:[1]},ut=[1,2,4];var dt={flipHorizontal:!1,internalResolution:"medium",segmentationThreshold:.7,maxDetections:10,scoreThreshold:.4,nmsRadius:20},ft={flipHorizontal:!1,internalResolution:"medium",segmentationThreshold:.7,maxDetections:10,scoreThreshold:.4,nmsRadius:20,minKeypointScore:.3,refineSteps:10};function lt(t){var e=t.segmentationThreshold,n=t.maxDetections,r=t.scoreThreshold,o=t.nmsRadius;if(e<0||e>1)throw new Error("segmentationThreshold "+e+". 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e=this.baseModel.predict(t);return{segmentLogits:e.segmentation,longOffsets:e.longOffsets,heatmapScores:e.heatmapScores,offsets:e.offsets,displacementFwd:e.displacementFwd,displacementBwd:e.displacementBwd,partHeatmaps:e.partHeatmaps}},t.prototype.segmentPersonActivation=function(t,n,r){var o=this;void 0===r&&(r=.5);var i=Q(t),a=i[0],s=i[1],u=Z(n,this.baseModel.outputStride,[a,s]),f=tt(t,u),l=f.resized,c=f.padding,h=e.tidy(function(){var t=o.predictForPersonSegmentation(l),e=t.segmentLogits,n=t.heatmapScores,i=t.offsets,u=t.displacementFwd,f=t.displacementBwd,h=l.shape,p=h[0],m=h[1];return{segmentation:d($(e,[a,s],[p,m],[[c.top,c.bottom],[c.left,c.right]],!0).squeeze(),r),heatmapScores:n,offsets:i,displacementFwd:u,displacementBwd:f}}),p=h.segmentation,m=h.heatmapScores,g=h.offsets,v=h.displacementFwd,w=h.displacementBwd;return 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0,function(){var r,o,a,u,f,l,c,h,p,m,g,v,w,y,b,x,S,M,k,_,P,O=this;return s(this,function(s){switch(s.label){case 0:return ct(n=i({},ft,n)),r=Q(t),o=r[0],a=r[1],u=Z(n.internalResolution,this.baseModel.outputStride,[o,a]),f=tt(t,u),l=f.resized,c=f.padding,h=e.tidy(function(){var t,e=O.predictForMultiPersonInstanceSegmentationAndPart(l),r=e.segmentLogits,i=e.longOffsets,s=e.heatmapScores,f=e.offsets,h=e.displacementFwd,p=e.displacementBwd;return t=i,{segmentation:d($(r,[o,a],u,[[c.top,c.bottom],[c.left,c.right]],!0).squeeze(),n.segmentationThreshold),longOffsets:t,heatmapScoresRaw:s,offsetsRaw:f,displacementFwdRaw:h,displacementBwdRaw:p}}),p=h.segmentation,m=h.longOffsets,g=h.heatmapScoresRaw,v=h.offsetsRaw,w=h.displacementFwdRaw,y=h.displacementBwdRaw,[4,et([g,v,w,y])];case 1:return b=s.sent(),x=b[0],S=b[1],M=b[2],k=b[3],_=rt(_=C(x,S,M,k,this.baseModel.outputStride,n.maxDetections,n.scoreThreshold,n.nmsRadius),[o,a],u,c,!1),[4,E(p,m,_,o,a,this.baseModel.outputStride,u,c,n.scoreThreshold,n.refineSteps,n.minKeypointScore,n.maxDetections)];case 2:return P=s.sent(),l.dispose(),p.dispose(),m.dispose(),g.dispose(),v.dispose(),w.dispose(),y.dispose(),[2,P]}})})},t.prototype.segmentPersonPartsActivation=function(t,n,r){var o=this;void 0===r&&(r=.5);var i=Q(t),a=i[0],s=i[1],f=Z(n,this.baseModel.outputStride,[a,s]),l=tt(t,f),c=l.resized,h=l.padding,p=e.tidy(function(){var t=o.predictForPersonSegmentationAndPart(c),n=t.segmentLogits,i=t.partHeatmapLogits,f=t.heatmapScores,l=t.offsets,p=t.displacementFwd,m=t.displacementBwd,g=c.shape,v=g[0],w=g[1],y=$(n,[a,s],[v,w],[[h.top,h.bottom],[h.left,h.right]],!0),b=$(i,[a,s],[v,w],[[h.top,h.bottom],[h.left,h.right]],!0);return{partSegmentation:function(t,n){var r=n.shape,o=r[0],i=r[1],a=r[2];return e.tidy(function(){var r,s,d=u(n),f=e.range(0,a,1,"int32").expandDims(1),l=d.matMul(f).toInt().reshape([o,i]).add(e.scalar(1,"int32"));return(r=l,s=t,r.mul(s)).sub(e.scalar(1,"int32"))})}(d(y.squeeze(),r),b),heatmapScores:f,offsets:l,displacementFwd:p,displacementBwd:m}}),m=p.partSegmentation,g=p.heatmapScores,v=p.offsets,w=p.displacementFwd,y=p.displacementBwd;return c.dispose(),{partSegmentation:m,heatmapScores:g,offsets:v,displacementFwd:w,displacementBwd:y,padding:h,internalResolutionHeightAndWidth:f}},t.prototype.segmentPersonParts=function(t,e){return void 0===e&&(e=dt),a(this,void 0,void 0,function(){var n,r,o,a,u,d,f,l,c,h,p,m,g,v,w,y,b,x;return s(this,function(s){switch(s.label){case 0:return lt(e=i({},dt,e)),n=this.segmentPersonPartsActivation(t,e.internalResolution,e.segmentationThreshold),r=n.partSegmentation,o=n.heatmapScores,a=n.offsets,u=n.displacementFwd,d=n.displacementBwd,f=n.padding,l=n.internalResolutionHeightAndWidth,c=r.shape,h=c[0],p=c[1],[4,r.data()];case 1:return m=s.sent(),r.dispose(),[4,et([o,a,u,d])];case 2:return g=s.sent(),v=g[0],w=g[1],y=g[2],b=g[3],x=rt(x=C(v,w,y,b,this.baseModel.outputStride,e.maxDetections,e.scoreThreshold,e.nmsRadius),[h,p],l,f,!1),o.dispose(),a.dispose(),u.dispose(),d.dispose(),[2,{height:h,width:p,data:m,allPoses:x}]}})})},t.prototype.segmentMultiPersonParts=function(t,n){return void 0===n&&(n=ft),a(this,void 0,void 0,function(){var r,o,a,f,l,c,h,p,m,g,v,w,y,b,x,S,M,k,_,E,O,I,A=this;return s(this,function(s){switch(s.label){case 0:return ct(n=i({},ft,n)),r=Q(t),o=r[0],a=r[1],f=Z(n.internalResolution,this.baseModel.outputStride,[o,a]),l=tt(t,f),c=l.resized,h=l.padding,p=e.tidy(function(){var t=A.predictForMultiPersonInstanceSegmentationAndPart(c),r=t.segmentLogits,i=t.longOffsets,s=t.heatmapScores,l=t.offsets,p=t.displacementFwd,m=t.displacementBwd,g=t.partHeatmaps,v=$(r,[o,a],f,[[h.top,h.bottom],[h.left,h.right]],!0),w=$(g,[o,a],f,[[h.top,h.bottom],[h.left,h.right]],!0),y=i;return{segmentation:d(v.squeeze(),n.segmentationThreshold),longOffsets:y,heatmapScoresRaw:s,offsetsRaw:l,displacementFwdRaw:p,displacementBwdRaw:m,partSegmentation:function(t){var n=t.shape,r=n[0],o=n[1],i=n[2];return e.tidy(function(){var n=u(t),a=e.range(0,i,1,"int32").expandDims(1);return n.matMul(a).toInt().reshape([r,o])})}(w)}}),m=p.segmentation,g=p.longOffsets,v=p.heatmapScoresRaw,w=p.offsetsRaw,y=p.displacementFwdRaw,b=p.displacementBwdRaw,x=p.partSegmentation,[4,et([v,w,y,b])];case 1:return 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Should be one of "+ut+" for architecture "+t.architecture+".");return t}(t)).architecture?[2,mt(t)]:"MobileNetV1"===t.architecture?[2,pt(t)]:[2,null]})})},t.blurBodyPart=function(t,e,n,r,o,i,a){void 0===r&&(r=[0,1]),void 0===o&&(o=3),void 0===i&&(i=3),void 0===a&&(a=!1);var s=St(e,o,Et.blurred);t.width=s.width,t.height=s.height;var u=t.getContext("2d");if(Array.isArray(n)&&0===n.length)u.drawImage(s,0,0);else{var d=function(t,e,n){var r=Mt(kt(t,{r:0,g:0,b:0,a:0},{r:0,g:0,b:0,a:255},!0,e),Et.mask);return 0===n?r:St(r,n,Et.blurredMask)}(n,r,i);u.save(),a&&wt(t);var f=Q(e),l=f[0],c=f[1];u.drawImage(e,0,0,c,l),yt(u,d,"destination-in"),yt(u,s,"destination-over"),u.restore()}},t.drawBokehEffect=function(t,e,n,r,o,i){void 0===r&&(r=3),void 0===o&&(o=3),void 0===i&&(i=!1);var a=St(e,r,Et.blurred);t.width=a.width,t.height=a.height;var s=t.getContext("2d");if(Array.isArray(n)&&0===n.length)s.drawImage(a,0,0);else{var u=function(t,e){var n=Mt(kt(t,{r:0,g:0,b:0,a:255},{r:0,g:0,b:0,a:0}),Et.mask);return 0===e?n:St(n,e,Et.blurredMask)}(n,o);s.save(),i&&wt(t);var d=Q(e),f=d[0],l=d[1];s.drawImage(e,0,0,l,f),yt(s,u,"destination-in"),yt(s,a,"destination-over"),s.restore()}},t.drawMask=function(t,e,n,r,o,i){void 0===r&&(r=.7),void 0===o&&(o=0),void 0===i&&(i=!1);var a=Q(e),s=a[0],u=a[1];t.width=u,t.height=s;var d=t.getContext("2d");if(d.save(),i&&wt(t),d.drawImage(e,0,0),d.globalAlpha=r,n){vt({width:u,height:s},n,"image","mask");var f=St(Mt(n,Et.mask),o,Et.blurredMask);d.drawImage(f,0,0,u,s)}d.restore()},t.drawPixelatedMask=function(t,e,n,r,o,i,a){void 0===r&&(r=.7),void 0===o&&(o=0),void 0===i&&(i=!1),void 0===a&&(a=10);var s=Q(e),u=s[0];vt({width:s[1],height:u},n,"image","mask");var d=St(Mt(n,Et.mask),o,Et.blurredMask);t.width=d.width,t.height=d.height;var f=t.getContext("2d");f.save(),i&&wt(t);var l=bt(Et.lowresPartMask),c=l.getContext("2d");l.width=d.width*(1/a),l.height=d.height*(1/a),c.drawImage(d,0,0,d.width,d.height,0,0,l.width,l.height),f.imageSmoothingEnabled=!1,f.drawImage(l,0,0,l.width,l.height,0,0,t.width,t.height);for(var h=0;h<l.width;h++)f.beginPath(),f.strokeStyle="#ffffff",f.moveTo(a*h,0),f.lineTo(a*h,t.height),f.stroke();for(h=0;h<l.height;h++)f.beginPath(),f.strokeStyle="#ffffff",f.moveTo(0,a*h),f.lineTo(t.width,a*h),f.stroke();f.globalAlpha=1-r,f.drawImage(e,0,0,d.width,d.height),f.restore()},t.toColoredPartMask=function(t,e){if(void 0===e&&(e=_t),Array.isArray(t)&&0===t.length)return null;for(var n,r=(n=Array.isArray(t)?t:[t])[0],o=r.width,i=r.height,a=new Uint8ClampedArray(o*i*4),s=0;s<i*o;++s){var u=4*s;a[u+0]=255,a[u+1]=255,a[u+2]=255,a[u+3]=255;for(var d=0;d<n.length;d++){var f=n[d].data[s];if(-1!==f){var l=e[f];if(!l)throw new Error("No color could be found for part id "+f);a[u+0]=l[0],a[u+1]=l[1],a[u+2]=l[2],a[u+3]=255}}}return new ImageData(a,o,i)},t.toMask=kt,t.PART_CHANNELS=["left_face","right_face","left_upper_arm_front","left_upper_arm_back","right_upper_arm_front","right_upper_arm_back","left_lower_arm_front","left_lower_arm_back","right_lower_arm_front","right_lower_arm_back","left_hand","right_hand","torso_front","torso_back","left_upper_leg_front","left_upper_leg_back","right_upper_leg_front","right_upper_leg_back","left_lower_leg_front","left_lower_leg_back","right_lower_leg_front","right_lower_leg_back","left_feet","right_feet"],t.flipPoseHorizontal=nt,t.resizeAndPadTo=function(t,n,r){var o=n[0],i=n[1];void 0===r&&(r=!1);var a,s,u,d,f,l,c=t.shape,h=c[0],p=c[1]/h;if(p>i/o){a=i;var m=o-(s=Math.ceil(a/p));u=0,d=0,f=Math.floor(m/2),l=o-(s+f)}else{s=o;var g=i-(a=Math.ceil(o*p));u=Math.floor(g/2),d=i-(a+u),f=0,l=0}return{resizedAndPadded:e.tidy(function(){var n;return n=r?t.reverse(1).resizeBilinear([s,a]):t.resizeBilinear([s,a]),e.pad3d(n,[[f,l],[u,d],[0,0]])}),paddedBy:[[f,l],[u,d]]}},t.scaleAndCropToInputTensorShape=$,t.version="2.0.5",Object.defineProperty(t,"__esModule",{value:!0})});
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