human/dist/human.esm-nobundle.js

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2020-10-18 18:12:09 +02:00
var $e=Object.defineProperty;var P=(e,t)=>()=>(t||(t={exports:{}},e(t.exports,t)),t.exports),A0=e=>$e(e,"__esModule",{value:!0}),Je=(e,t)=>{A0(e);for(var o in t)$e(e,o,{get:t[o],enumerable:!0})};var st=P(ue=>{const v=require("@tensorflow/tfjs"),et=6;function B0(e){const t={strides:[e/16,e/8],anchors:[2,6]},o=[];for(let n=0;n<t.strides.length;n++){const s=t.strides[n],i=Math.floor((e+s-1)/s),a=Math.floor((e+s-1)/s),c=t.anchors[n];for(let d=0;d<i;d++){const l=s*(d+.5);for(let u=0;u<a;u++){const f=s*(u+.5);for(let h=0;h<c;h++)o.push([f,l])}}}return o}const tt=e=>{e.startEndTensor.dispose(),e.startPoint.dispose(),e.endPoint.dispose()},ot=e=>({startEndTensor:e,startPoint:v.slice(e,[0,0],[-1,2]),endPoint:v.slice(e,[0,2],[-1,2])}),F0=(e,t)=>{const o=v.mul(e.startPoint,t),n=v.mul(e.endPoint,t),s=v.concat2d([o,n],1);return ot(s)};function D0(e,t,o){const n=v.slice(e,[0,1],[-1,2]),s=v.add(n,t),i=v.slice(e,[0,3],[-1,2]),a=v.div(i,o),c=v.div(s,o),d=v.div(a,2),l=v.sub(c,d),u=v.add(c,d),f=v.mul(l,o),h=v.mul(u,o),r=1;return v.concat2d([f,h],r)}function k0(e,t){return v.tidy(()=>{const o=e.box?e.box:e;return F0(o,t).startEndTensor.squeeze()})}class nt{constructor(e,t){this.blazeFaceModel=e,this.width=t.detector.inputSize,this.height=t.detector.inputSize,this.maxFaces=t.detector.maxFaces,this.anchorsData=B0(t.detector.inputSize),this.anchors=v.tensor2d(this.anchorsData),this.inputSize=v.tensor1d([this.width,this.height]),this.iouThreshold=t.detector.iouThreshold,this.scaleFaces=.8,this.scoreThreshold=t.detector.scoreThreshold}async getBoundingBoxes(e){if(!e||e.isDisposedInternal||e.shape.length!==4||e.shape[1]<1||e.shape[2]<1)return null;const[t,o,n]=v.tidy(()=>{const l=e.resizeBilinear([this.width,this.height]),u=v.mul(v.sub(l.div(255),.5),2),f=this.blazeFaceModel.predict(u);let h;if(Array.isArray(f)){const M=f.sort((N,p)=>N.size-p.size),T=v.concat([M[0],M[2]],2),w=v.concat([M[1],M[3]],2),k=v.concat([w,T],1);h=k.squeeze(0)}else h=f.squeeze();const r=D0(h,this.anchors,this.inputSize),y=v.slice(h,[0,0],[-1,1]),E=v.sigmoid(y).squeeze();return[h,r,E]}),s=await v.image.nonMaxSuppressionAsync(o,n,this.maxFaces,this.iouThreshold,this.scoreThreshold),i=await s.array();s.dispose();const a=i.map(l=>v.slice(o,[l,0],[1,-1])),c=await Promise.all(a.map(async l=>{const u=await l.array();return l.dispose(),u})),d=[];for(let l=0;l<c.length;l++){const u=c[l],f=ot(u),h=i[l],r=this.anchorsData[h],y=v.slice(t,[h,et-1],[1,-1]),E=y.squeeze(),M=E.reshape([et,-1]),T=v.slice(n,[h],[1]),w={box:f,landmarks:M,probability:T,anchor:r};d.push(w),y.dispose(),E.dispose()}return t.dispose(),o.dispose(),n.dispose(),t.dispose(),{boxes:d,scaleFactor:[e.shape[2]/this.width,e.shape[1]/this.height]}}async estimateFaces(e){const{boxes:t,scaleFactor:o}=await this.getBoundingBoxes(e);return Promise.all(t.map(async n=>{const s=k0(n,o),[i,a,c]=await Promise.all([n.landmarks,s,n.probability].map(async r=>r.array())),d=n.anchor,[l,u]=o,f=i.map(r=>[(r[0]+d[0])*l,(r[1]+d[1])*u]),h={topLeft:a.slice(0,2),bottomRight:a.slice(2),landmarks:f,probability:c};return tt(n.box),n.landmarks.dispose(),n.probability.dispose(),s.dispose(),h}))}}async function N0(e){const t=await v.loadGraphModel(e.detector.modelPath,{fromTFHub:e.detector.modelPath.includes("tfhub.dev")}),o=new nt(t,e);return o}ue.load=N0;ue.BlazeFaceModel=nt;ue.disposeBox=tt});var ye=P(be=>{be.MESH_ANNOTATIONS={silhouette:[10,338,297,332,284,251,389,356,454,323,361,288,397,365,379,378,400,377,152,148,176,149,150,136,172,58,132,93,234,127,162,21,54,103,67,109],lipsUpperOuter:[61,185,40,39,37,0,267,269,270,409,291],lipsLowerOuter:[146,91,181,84,17,314,405,321,375,291],lipsUpperInner:[78,191,80,81,82,13,312,311,310,415,308],lipsLowerInner:[78,95,88,178,87,14,317,402,318,324,308],rightEyeUpper0:[246,161,160,159,158,157,173],rightEyeLower0:[33,7,163,144,145,153,154,155,133],rightEyeUpper1:[247,30,29,27,28,56,190],rightEyeLower1:[130,25,110,24,23,22,26,112,243],rightEyeUpper2:[113,225,224,223,222,221,189],rightEyeLower2:[226,31,228,229,230,231,232,233,244],rightEyeLower3:[143,111,117,118,119,120,121,128,245],rightEyebrowUpper:[156,70,63,
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