human/dist/human.esm-nobundle.js

var $e=Object.defineProperty;var v=(e,t)=>()=>(t||(t={exports:{}},e(t.exports,t)),t.exports),A0=e=>$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=v(ue=>{const E=require("@tensorflow/tfjs"),et=6;function F0(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 h=0;h<a;h++){const p=s*(h+.5);for(let u=0;u<c;u++)o.push([p,l])}}}return o}const tt=e=>{e.startEndTensor.dispose(),e.startPoint.dispose(),e.endPoint.dispose()},ot=e=>({startEndTensor:e,startPoint:E.slice(e,[0,0],[-1,2]),endPoint:E.slice(e,[0,2],[-1,2])}),B0=(e,t)=>{const o=E.mul(e.startPoint,t),n=E.mul(e.endPoint,t),s=E.concat2d([o,n],1);return ot(s)};function D0(e,t,o){const n=E.slice(e,[0,1],[-1,2]),s=E.add(n,t),i=E.slice(e,[0,3],[-1,2]),a=E.div(i,o),c=E.div(s,o),d=E.div(a,2),l=E.sub(c,d),h=E.add(c,d),p=E.mul(l,o),u=E.mul(h,o),r=1;return E.concat2d([p,u],r)}function k0(e,t){return E.tidy(()=>{const o=e.box?e.box:e;return B0(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=F0(t.detector.inputSize),this.anchors=E.tensor2d(this.anchorsData),this.inputSize=E.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]=E.tidy(()=>{const l=e.resizeBilinear([this.width,this.height]),h=E.mul(E.sub(l.div(255),.5),2),p=this.blazeFaceModel.predict(h);let u;if(Array.isArray(p)){const M=p.sort((N,f)=>N.size-f.size),P=E.concat([M[0],M[2]],2),w=E.concat([M[1],M[3]],2),k=E.concat([w,P],1);u=k.squeeze(0)}else u=p.squeeze();const r=D0(u,this.anchors,this.inputSize),x=E.slice(u,[0,0],[-1,1]),T=E.sigmoid(x).squeeze();return[u,r,T]}),s=await E.image.nonMaxSuppressionAsync(o,n,this.maxFaces,this.iouThreshold,this.scoreThreshold),i=await s.array();s.dispose();const a=i.map(l=>E.slice(o,[l,0],[1,-1])),c=await Promise.all(a.map(async l=>{const h=await l.array();return l.dispose(),h})),d=[];for(let l=0;l<c.length;l++){const h=c[l],p=ot(h),u=i[l],r=this.anchorsData[u],x=E.slice(t,[u,et-1],[1,-1]),T=x.squeeze(),M=T.reshape([et,-1]),P=E.slice(n,[u],[1]),w={box:p,landmarks:M,probability:P,anchor:r};d.push(w),x.dispose(),T.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,h]=o,p=i.map(r=>[(r[0]+d[0])*l,(r[1]+d[1])*h]),u={topLeft:a.slice(0,2),bottomRight:a.slice(2),landmarks:p,probability:c};return tt(n.box),n.landmarks.dispose(),n.probability.dispose(),s.dispose(),u}))}}async function N0(e){const t=await E.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 we=v(ye=>{ye.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:[156,70,63,105,66,107,55,193],rightEyebrowLower:[35,124,46,53,52,65],rightEyeIris:[473,474,475,476,477],leftEyeUpper0:[466,388,387,386,385,384,398],leftEyeLower0:[263,249,390,373,374,380,381,382,362],leftEyeUpper1:[467,260,259,257,258,286,414],leftEyeLower1:[359,255,339,254,253,252,256,341,463],leftEyeUpper2:[342,445,444,443,442,441,413],leftEyeLower2:[446,261,448,449,450,451,452,453,464],leftEyeLower3:[372,340,346,347,348,349,350,357,465],leftEyebrowUpper:[383,300,293,334,296,336,285,417],leftEyebrowLower:[265,353,276,283,282,295],leftEyeIris:[468,469,470,471,472],midwayBetweenEyes:[168],noseTip:[1],noseBottom:[2],noseRightCorner:[98],noseLeftCorner:[327],rightCheek:[205],leftCheek:[425]};ye.MESH_TO_IRIS_INDICES_MAP=[{key:"EyeUpper0",indices:[9,10,11,12,13,14,15]},{key:"EyeUpper1",indices:[25,26,27,28,29,30,31]},{key:"EyeUpper2",indices:[41,42,43,44,45,46,47]},{key:"EyeLower0",indices:[0,1,2,3,4,5,6,7,8]},{key:"EyeLower1",indices:[16,17,18,19,20,21,22,23,24]},{key:"EyeLower2",indices:[32,33,34,35,36,37,38,39,40]},{key:"EyeLower3",indices:[54,55,56,57,58,59,60,61,62]},{key:"EyebrowUpper",indices:[63,64,65,66,67,68,69,70]},{key:"EyebrowLower",indices:[48,49,50,51,52,53]}]});var it=v(oe=>{const C0=require("@tensorflow/tfjs");function z0(e,t){const o=[e.startPoint[0]*t[0],e.startPoint[1]*t[1]],n=[e.endPoint[0]*t[0],e.endPoint[1]*t[1]];return{startPoint:o,endPoint:n}}oe.scaleBoxCoordinates=z0;function Ee(e){return[Math.abs(e.endPoint[0]-e.startPoint[0]),Math.abs(e.endPoint[1]-e.startPoint[1])]}oe.getBoxSize=Ee;function ve(e){return[e.startPoint[0]+(e.endPoint[0]-e.startPoint[0])/2,e.startPoint[1]+(e.endPoint[1]-e.startPoint[1])/2]}oe.getBoxCenter=ve;function O0(e,t,o){const n=t.shape[1],s=t.shape[2],i=[[e.startPoint[1]/n,e.startPoint[0]/s,e.endPoint[1]/n,e.endPoint[0]/s]];return C0.image.cropAndResize(t,i,[0],o)}oe.cutBoxFromImageAndResize=O0;function L0(e,t=1.5){const o=ve(e),n=Ee(e),s=[t*n[0]/2,t*n[1]/2],i=[o[0]-s[0],o[1]-s[1]],a=[o[0]+s[0],o[1]+s[1]];return{startPoint:i,endPoint:a,landmarks:e.landmarks}}oe.enlargeBox=L0;function H0(e){const t=ve(e),o=Ee(e),n=Math.max(...o),s=n/2,i=[t[0]-s,t[1]-s],a=[t[0]+s,t[1]+s];return{startPoint:i,endPoint:a,landmarks:e.landmarks}}oe.squarifyBox=H0});var lt=v(O=>{O.IDENTITY_MATRIX=[[1,0,0],[0,1,0],[0,0,1]];function rt(e){return e-2*Math.PI*Math.floor((e+Math.PI)/(2*Math.PI))}O.normalizeRadians=rt;function U0(e,t){const o=Math.PI/2-Math.atan2(-(t[1]-e[1]),t[0]-e[0]);return rt(o)}O.computeRotation=U0;function j0(e){return e*180/Math.PI}O.radToDegrees=j0;function at(e,t){return[[1,0,e],[0,1,t],[0,0,1]]}function ne(e,t){let o=0;for(let n=0;n<e.length;n++)o+=e[n]*t[n];return o}O.dot=ne;function ct(e,t){const o=[];for(let n=0;n<e.length;n++)o.push(e[n][t]);return o}O.getColumnFrom2DArr=ct;function dt(e,t){const o=[],n=e.length;for(let s=0;s<n;s++){o.push([]);for(let i=0;i<n;i++)o[s].push(ne(e[s],ct(t,i)))}return o}function q0(e,t){const o=Math.cos(e),n=Math.sin(e),s=[[o,-n,0],[n,o,0],[0,0,1]],i=at(t[0],t[1]),a=dt(i,s),c=at(-t[0],-t[1]);return dt(a,c)}O.buildRotationMatrix=q0;function X0(e){const t=[[e[0][0],e[1][0]],[e[0][1],e[1][1]]],o=[e[0][2],e[1][2]],n=[-ne(t[0],o),-ne(t[1],o)];return[t[0].concat(n[0]),t[1].concat(n[1]),[0,0,1]]}O.invertTransformMatrix=X0;function W0(e,t){return[ne(e,t[0]),ne(e,t[1])]}O.rotatePoint=W0;function G0(e,t){return Math.sqrt((e[0]-t[0])**2+(e[1]-t[1])**2)}O.xyDistanceBetweenPoints=G0});var ht=v(ut=>{const X=require("@tensorflow/tfjs"),j=it(),G=we(),Y=lt(),Y0=468,K0=.25,V0=13,Q0=[V0,G.MESH_ANNOTATIONS.midwayBetweenEyes[0]],Z0=3,$0=2,J0=[Z0,$0],Pe=G.MESH_ANNOTATIONS.leftEyeLower0,Te=[Pe[0],Pe[Pe.length-1]],_e=G.MESH_ANNOTATIONS.rightEyeLower0,Me=[_e[0],_e[_e.length-1]],eo=3,to=4,oo=71,Ie=76;function he(e,t,o,n){for(let s=0;s<G.MESH_TO_IRIS_INDICES_MAP.length;s++){const{key:i,indices:a}=G.MESH_TO_IRIS_INDICES_MAP[s],c=G.MESH_ANNOTATIONS[`${o}${i}`],d=n==null;if(d||n.includes(i))for(let l=0;l<a.length;l++){const h=a[l];e[c[l]]=[t[h][0],t[h][1],(t[h][2]+e[c[l]][2])/2]}}}class no{constructor(e,t,o,n){this.regionsOfInterest=[],this.runsWithoutFaceDetector=0,this.boundingBoxDetector=e,this.meshDetector=t,this.irisModel=o,this.meshWidth=n.mesh.inputSize,this.meshHeight=n.mesh.inputSize,this.irisSize=n.iris.inputSize,this.irisEnlarge=n.iris.enlargeFactor}transformRawCoords(e,t,o,n){const s=j.getBoxSize({startPoint:t.startPoint,endPoint:t.endPoint}),i=[s[0]/this.meshWidth,s[1]/this.meshHeight],a=e.map(u=>[i[0]*(u[0]-this.meshWidth/2),i[1]*(u[1]-this.meshHeight/2),u[2]]),c=Y.buildRotationMatrix(o,[0,0]),d=a.map(u=>[...Y.rotatePoint(u,c),u[2]]),l=Y.invertTransformMatrix(n),h=[...j.getBoxCenter({startPoint:t.startPoint,endPoint:t.endPoint}),1],p=[Y.dot(h,l[0]),Y.dot(h,l[1])];return d.map(u=>[u[0]+p[0],u[1]+p[1],u[2]])}getLeftToRightEyeDepthDifference(e){const t=e[Te[0]][2],o=e[Me[0]][2];return t-o}getEyeBox(e,t,o,n,s=!1){const i=j.squarifyBox(j.enlargeBox(this.calculateLandmarksBoundingBox([e[o],e[n]]),this.irisEnlarge)),a=j.getBoxSize(i);let c=X.image.cropAndResize(t,[[i.startPoint[1]/this.meshHeight,i.startPoint[0]/this.meshWidth,i.endPoint[1]/this.meshHeight,i.endPoint[0]/this.meshWidth]],[0],[this.irisSize,this.irisSize]);return s&&(c=X.image.flipLeftRight(c)),{box:i,boxSize:a,crop:c}}getEyeCoords(e,t,o,n=!1){const s=[];for(let i=0;i<Ie;i++){const a=e[i*3],c=e[i*3+1],d=e[i*3+2];s.push([(n?1-a/this.irisSize:a/this.irisSize)*o[0]+t.startPoint[0],c/this.irisSize*o[1]+t.startPoint[1],d])}return{rawCoords:s,iris:s.slice(oo)}}getAdjustedIrisCoords(e,t,o){const n=e[G.MESH_ANNOTATIONS[`${o}EyeUpper0`][eo]][2],s=e[G.MESH_ANNOTATIONS[`${o}EyeLower0`][to]][2],i=(n+s)/2;return t.map((a,c)=>{let d=i;return c===2?d=n:c===4&&(d=s),[a[0],a[1],d]})}async predict(e,t){if(this.skipFrames=t.detector.skipFrames,this.maxFaces=t.detector.maxFaces,this.runsWithoutFaceDetector++,this.shouldUpdateRegionsOfInterest()){const n=await this.boundingBoxDetector.getBoundingBoxes(e);if(n.boxes.length===0)return this.regionsOfInterest=[],null;const s=n.boxes.map(i=>{const a=i.box.startPoint.squeeze(),c=i.box.endPoint.squeeze(),d={startPoint:a.arraySync(),endPoint:c.arraySync()};a.dispose(),c.dispose();const l=j.scaleBoxCoordinates(d,n.scaleFactor),h=j.enlargeBox(l),p=i.landmarks.arraySync();return i.box.startPoint.dispose(),i.box.endPoint.dispose(),i.landmarks.dispose(),i.probability.dispose(),{...h,landmarks:p}});this.updateRegionsOfInterest(s),this.runsWithoutFaceDetector=0}const o=X.tidy(()=>this.regionsOfInterest.map((n,s)=>{let i=0;const a=n.landmarks.length>=Y0;let[c,d]=Q0;a===!1&&([c,d]=J0),i=Y.computeRotation(n.landmarks[c],n.landmarks[d]);const l=j.getBoxCenter({startPoint:n.startPoint,endPoint:n.endPoint}),h=[l[0]/e.shape[2],l[1]/e.shape[1]];let p=e,u=Y.IDENTITY_MATRIX;i!==0&&(p=X.image.rotateWithOffset(e,i,0,h),u=Y.buildRotationMatrix(-i,l));const r={startPoint:n.startPoint,endPoint:n.endPoint},x=j.cutBoxFromImageAndResize(r,p,[this.meshHeight,this.meshWidth]).div(255),[,T,M]=this.meshDetector.predict(x),P=X.reshape(M,[-1,3]);let w=P.arraySync();if(t.iris.enabled){const{box:m,boxSize:y,crop:I}=this.getEyeBox(w,x,Te[0],Te[1],!0),{box:A,boxSize:U,crop:P0}=this.getEyeBox(w,x,Me[0],Me[1]),Ye=this.irisModel.predict(X.concat([I,P0])),Ke=Ye.dataSync();Ye.dispose();const T0=Ke.slice(0,Ie*3),{rawCoords:Ve,iris:_0}=this.getEyeCoords(T0,m,y,!0),M0=Ke.slice(Ie*3),{rawCoords:Qe,iris:I0}=this.getEyeCoords(M0,A,U),Ze=this.getLeftToRightEyeDepthDifference(w);Math.abs(Ze)<30?(he(w,Ve,"left"),he(w,Qe,"right")):Ze<1?he(w,Ve,"left",["EyeUpper0","EyeLower0"]):he(w,Qe,"right",["EyeUpper0","EyeLower0"]);const S0=this.getAdjustedIrisCoords(w,_0,"left"),R0=this.getAdjustedIrisCoords(w,I0,"right");w=w.concat(S0).concat(R0)}const k=this.transformRawCoords(w,n,i,u);X.dispose(w);const N=j.enlargeBox(this.calculateLandmarksBoundingBox(k)),f=T.squeeze();if(X.dispose(T),t.mesh.enabled){const m=X.tensor2d(k);this.regionsOfInterest[s]={...N,landmarks:m.arraySync()};const y={coords:m,box:N,confidence:f,image:x};return y}const b={coords:null,box:N,confidence:f,image:x};return b}));return o}updateRegionsOfInterest(e){for(let t=0;t<e.length;t++){const o=e[t],n=this.regionsOfInterest[t];let s=0;if(n&&n.startPoint){const[i,a]=o.startPoint,[c,d]=o.endPoint,[l,h]=n.startPoint,[p,u]=n.endPoint,r=Math.max(i,l),x=Math.max(a,h),T=Math.min(c,p),M=Math.min(d,u),P=(T-r)*(M-x),w=(c-i)*(d-a),k=(p-l)*(u-a);s=P/(w+k-P)}s<K0&&(this.regionsOfInterest[t]=o)}this.regionsOfInterest=this.regionsOfInterest.slice(0,e.length)}clearRegionOfInterest(e){this.regionsOfInterest[e]!=null&&(this.regionsOfInterest=[...this.regionsOfInterest.slice(0,e),...this.regionsOfInterest.slice(e+1)])}shouldUpdateRegionsOfInterest(){return this.regionsOfInterest.length===0?!0:this.regionsOfInterest.length!==this.maxFaces&&this.runsWithoutFaceDetector>=this.skipFrames}calculateLandmarksBoundingBox(e){const t=e.map(i=>i[0]),o=e.map(i=>i[1]),n=[Math.min(...t),Math.min(...o)],s=[Math.max(...t),Math.max(...o)];return{startPoint:n,endPoint:s,landmarks:e}}}ut.Pipeline=no});var 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p.data();for(let r=0;r<u.length;r++)vt*u[r]>t.face.emotion.minConfidence&&h.push({score:Math.min(.99,Math.trunc(100*vt*u[r])/100),emotion:fo[r]});h.sort((r,x)=>x.score-r.score),W.dispose(p)}return W.dispose(l),Et=h,h}Ae.predict=xo;Ae.load=go});var Mt=v(Tt=>{const _t=require("@tensorflow/tfjs");class bo{constructor(e,t){this.model=e,this.outputStride=t;const o=this.model.inputs[0].shape;_t.util.assert(o[1]===-1&&o[2]===-1,()=>`Input shape [${o[1]}, ${o[2]}] must both be equal to or -1`)}predict(e){return _t.tidy(()=>{const t=this.preprocessInput(e.toFloat()),o=t.expandDims(0),n=this.model.predict(o),s=n.map(a=>a.squeeze([0])),i=this.nameOutputResults(s);return{heatmapScores:i.heatmap.sigmoid(),offsets:i.offsets,displacementFwd:i.displacementFwd,displacementBwd:i.displacementBwd}})}dispose(){this.model.dispose()}}Tt.BaseModel=bo});var Be=v(It=>{const St=require("@tensorflow/tfjs"),yo=Mt();class wo extends yo.BaseModel{preprocessInput(e){return St.tidy(()=>St.div(e,127.5).sub(1))}nameOutputResults(e){const[t,o,n,s]=e;return{offsets:t,heatmap:o,displacementFwd:n,displacementBwd:s}}}It.MobileNet=wo});var At=v(Rt=>{function De(e){return Math.floor(e/2)}class Eo{constructor(e,t){this.priorityQueue=new Array(e),this.numberOfElements=-1,this.getElementValue=t}enqueue(e){this.priorityQueue[++this.numberOfElements]=e,this.swim(this.numberOfElements)}dequeue(){const e=this.priorityQueue[0];return this.exchange(0,this.numberOfElements--),this.sink(0),this.priorityQueue[this.numberOfElements+1]=null,e}empty(){return this.numberOfElements===-1}size(){return this.numberOfElements+1}all(){return this.priorityQueue.slice(0,this.numberOfElements+1)}max(){return this.priorityQueue[0]}swim(e){for(;e>0&&this.less(De(e),e);)this.exchange(e,De(e)),e=De(e)}sink(e){for(;2*e<=this.numberOfElements;){let t=2*e;if(t<this.numberOfElements&&this.less(t,t+1)&&t++,!this.less(e,t))break;this.exchange(e,t),e=t}}getValueAt(e){return this.getElementValue(this.priorityQueue[e])}less(e,t){return this.getValueAt(e)<this.getValueAt(t)}exchange(e,t){const o=this.priorityQueue[e];this.priorityQueue[e]=this.priorityQueue[t],this.priorityQueue[t]=o}}Rt.MaxHeap=Eo});var Bt=v(Ft=>{const vo=At();function Po(e,t,o,n,s,i){const[a,c]=i.shape;let d=!0;const l=Math.max(o-s,0),h=Math.min(o+s+1,a);for(let p=l;p<h;++p){const u=Math.max(n-s,0),r=Math.min(n+s+1,c);for(let x=u;x<r;++x)if(i.get(p,x,e)>t){d=!1;break}if(!d)break}return d}function To(e,t,o){const[n,s,i]=o.shape,a=new vo.MaxHeap(n*s*i,({score:c})=>c);for(let c=0;c<n;++c)for(let d=0;d<s;++d)for(let l=0;l<i;++l){const h=o.get(c,d,l);if(h<e)continue;Po(l,h,c,d,t,o)&&a.enqueue({score:h,part:{heatmapY:c,heatmapX:d,id:l}})}return a}Ft.buildPartWithScoreQueue=To});var ce=v(L=>{L.partNames=["nose","leftEye","rightEye","leftEar","rightEar","leftShoulder","rightShoulder","leftElbow","rightElbow","leftWrist","rightWrist","leftHip","rightHip","leftKnee","rightKnee","leftAnkle","rightAnkle"];L.NUM_KEYPOINTS=L.partNames.length;L.partIds=L.partNames.reduce((e,t,o)=>(e[t]=o,e),{});const _o=[["leftHip","leftShoulder"],["leftElbow","leftShoulder"],["leftElbow","leftWrist"],["leftHip","leftKnee"],["leftKnee","leftAnkle"],["rightHip","rightShoulder"],["rightElbow","rightShoulder"],["rightElbow","rightWrist"],["rightHip","rightKnee"],["rightKnee","rightAnkle"],["leftShoulder","rightShoulder"],["leftHip","rightHip"]];L.poseChain=[["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"]];L.connectedPartIndices=_o.map(([e,t])=>[L.partIds[e],L.partIds[t]]);L.partChannels=["left_face","right_face","right_upper_leg_front","right_lower_leg_back","right_upper_leg_back","left_lower_leg_front","left_upper_leg_front","left_upper_leg_back","left_lower_leg_back","right_feet","right_lower_leg_front","left_feet","torso_front","torso_back","right_upper_arm_front","right_upper_arm_back","right_lower_arm_back","left_lower_arm_front","left_upper_arm_front","left_upper_arm_back","left_lower_arm_back","right_hand","right_lower_arm_front","left_hand"]});var Ne=v(Q=>{const Mo=ce();function Dt(e,t,o,n){return{y:n.get(e,t,o),x:n.get(e,t,o+Mo.NUM_KEYPOINTS)}}Q.getOffsetPoint=Dt;function Io(e,t,o){const{heatmapY:n,heatmapX:s,id:i}=e,{y:a,x:c}=Dt(n,s,i,o);return{x:e.heatmapX*t+c,y:e.heatmapY*t+a}}Q.getImageCoords=Io;function So(e,t){const o=new Array(t);for(let n=0;n<t;n++)o[n]=e;return o}Q.fillArray=So;function ke(e,t,o){return e<t?t:e>o?o:e}Q.clamp=ke;function Ro(e,t,o,n){const s=o-e,i=n-t;return s*s+i*i}Q.squaredDistance=Ro;function Ao(e,t){return{x:e.x+t.x,y:e.y+t.y}}Q.addVectors=Ao;function Fo(e,t,o){return{y:ke(e.y,t,o),x:ke(e.x,t,o)}}Q.clampVector=Fo});var Ot=v(kt=>{const de=ce(),se=Ne(),Nt=de.poseChain.map(([e,t])=>[de.partIds[e],de.partIds[t]]),Ce=Nt.map(([,e])=>e),Ct=Nt.map(([e])=>e);function Bo(e,t,o){const n=o.shape[2]/2;return{y:o.get(t.y,t.x,e),x:o.get(t.y,t.x,n+e)}}function ze(e,t,o,n){return{y:se.clamp(Math.round(e.y/t),0,o-1),x:se.clamp(Math.round(e.x/t),0,n-1)}}function zt(e,t,o,n,s,i,a,c=2){const[d,l]=n.shape,h=ze(t.position,i,d,l),p=Bo(e,h,a),u=se.addVectors(t.position,p);let r=u;for(let M=0;M<c;M++){const P=ze(r,i,d,l),w=se.getOffsetPoint(P.y,P.x,o,s);r=se.addVectors({x:P.x*i,y:P.y*i},{x:w.x,y:w.y})}const x=ze(r,i,d,l),T=n.get(x.y,x.x,o);return{position:r,part:de.partNames[o],score:T}}function Do(e,t,o,n,s,i){const a=t.shape[2],c=Ce.length,d=new Array(a),{part:l,score:h}=e,p=se.getImageCoords(l,n,o);d[l.id]={score:h,part:de.partNames[l.id],position:p};for(let u=c-1;u>=0;--u){const r=Ce[u],x=Ct[u];d[r]&&!d[x]&&(d[x]=zt(u,d[r],x,t,o,n,i))}for(let u=0;u<c;++u){const r=Ct[u],x=Ce[u];d[r]&&!d[x]&&(d[x]=zt(u,d[r],x,t,o,n,s))}return d}kt.decodePose=Do});var Oe=v(Lt=>{const ko=Bt(),No=Ot(),Ht=Ne();function Ut(e,t,{x:o,y:n},s){return e.some(({keypoints:i})=>{const a=i[s].position;return Ht.squaredDistance(n,o,a.y,a.x)<=t})}function Co(e,t,o){const n=o.reduce((s,{position:i,score:a},c)=>(Ut(e,t,i,c)||(s+=a),s),0);return n/o.length}const zo=1;function Oo(e,t,o,n,s,i,a=.5,c=20){const d=[],l=ko.buildPartWithScoreQueue(a,zo,e),h=c*c;for(;d.length<i&&!l.empty();){const p=l.dequeue(),u=Ht.getImageCoords(p.part,s,t);if(Ut(d,h,u,p.part.id))continue;const r=No.decodePose(p,e,t,s,o,n),x=Co(d,h,r);d.push({keypoints:r,score:x})}return d}Lt.decodeMultiplePoses=Oo});var Le=v(Z=>{const Lo=ce();function Ho(e,t,o){return e<o||t<o}function Uo(e,t){return Lo.connectedPartIndices.reduce((o,[n,s])=>(Ho(e[n].score,e[s].score,t)||o.push([e[n],e[s]]),o),[])}Z.getAdjacentKeyPoints=Uo;const{NEGATIVE_INFINITY:jt,POSITIVE_INFINITY:qt}=Number;function Xt(e){return e.reduce(({maxX:t,maxY:o,minX:n,minY:s},{position:{x:i,y:a}})=>({maxX:Math.max(t,i),maxY:Math.max(o,a),minX:Math.min(n,i),minY:Math.min(s,a)}),{maxX:jt,maxY:jt,minX:qt,minY:qt})}Z.getBoundingBox=Xt;function jo(e){const{minX:t,minY:o,maxX:n,maxY:s}=Xt(e);return[{x:t,y:o},{x:n,y:o},{x:n,y:s},{x:t,y:s}]}Z.getBoundingBoxPoints=jo;async function qo(e){return Promise.all(e.map(t=>t.buffer()))}Z.toTensorBuffers3D=qo;function Wt(e,t,o){return{score:e.score,keypoints:e.keypoints.map(({score:n,part:s,position:i})=>({score:n,part:s,position:{x:i.x*o,y:i.y*t}}))}}Z.scalePose=Wt;function Xo(e,[t,o]){const n=e.squeeze(0),s=n.resizeBilinear([t,o]);return n.dispose(),s}Z.resizeTo=Xo;function Wo(e,[t,o],[n,s]){const i=e.map(a=>Wt(a,t/n,o/s));return i}Z.scaleAndFlipPoses=Wo});var Yt=v(He=>{const Go=require("@tensorflow/tfjs"),Yo=Be(),Ko=Oe(),Ue=Le();class Gt{constructor(e){this.baseModel=e}async estimatePoses(e,t){const o=t.outputStride,n=e.shape[1],s=e.shape[2],i=Ue.resizeTo(e,[t.inputResolution,t.inputResolution]),{heatmapScores:a,offsets:c,displacementFwd:d,displacementBwd:l}=this.baseModel.predict(i),h=await Ue.toTensorBuffers3D([a,c,d,l]),p=h[0],u=h[1],r=h[2],x=h[3],T=await Ko.decodeMultiplePoses(p,u,r,x,o,t.maxDetections,t.scoreThreshold,t.nmsRadius),M=Ue.scaleAndFlipPoses(T,[n,s],[t.inputResolution,t.inputResolution]);return a.dispose(),c.dispose(),d.dispose(),l.dispose(),i.dispose(),M}dispose(){this.baseModel.dispose()}}He.PoseNet=Gt;async function Vo(e){const t=await Go.loadGraphModel(e.modelPath),o=new Yo.MobileNet(t,e.outputStride);return new Gt(o)}async function Qo(e){return Vo(e)}He.load=Qo});var Vt=v(D=>{const Zo=Be(),Kt=Yt(),$o=Oe(),fe=ce(),le=Le();D.load=Kt.load;D.PoseNet=Kt.PoseNet;D.MobileNet=Zo.MobileNet;D.decodeMultiplePoses=$o.decodeMultiplePoses;D.partChannels=fe.partChannels;D.partIds=fe.partIds;D.partNames=fe.partNames;D.poseChain=fe.poseChain;D.getAdjacentKeyPoints=le.getAdjacentKeyPoints;D.getBoundingBox=le.getBoundingBox;D.getBoundingBoxPoints=le.getBoundingBoxPoints;D.scaleAndFlipPoses=le.scaleAndFlipPoses;D.scalePose=le.scalePose});var Xe=v($=>{const Jo=require("@tensorflow/tfjs");function je(e){return[Math.abs(e.endPoint[0]-e.startPoint[0]),Math.abs(e.endPoint[1]-e.startPoint[1])]}$.getBoxSize=je;function qe(e){return[e.startPoint[0]+(e.endPoint[0]-e.startPoint[0])/2,e.startPoint[1]+(e.endPoint[1]-e.startPoint[1])/2]}$.getBoxCenter=qe;function en(e,t,o){const n=t.shape[1],s=t.shape[2],i=[[e.startPoint[1]/n,e.startPoint[0]/s,e.endPoint[1]/n,e.endPoint[0]/s]];return Jo.image.cropAndResize(t,i,[0],o)}$.cutBoxFromImageAndResize=en;function tn(e,t){const o=[e.startPoint[0]*t[0],e.startPoint[1]*t[1]],n=[e.endPoint[0]*t[0],e.endPoint[1]*t[1]],s=e.palmLandmarks.map(i=>{const a=[i[0]*t[0],i[1]*t[1]];return a});return{startPoint:o,endPoint:n,palmLandmarks:s}}$.scaleBoxCoordinates=tn;function on(e,t=1.5){const o=qe(e),n=je(e),s=[t*n[0]/2,t*n[1]/2],i=[o[0]-s[0],o[1]-s[1]],a=[o[0]+s[0],o[1]+s[1]];return{startPoint:i,endPoint:a,palmLandmarks:e.palmLandmarks}}$.enlargeBox=on;function nn(e){const t=qe(e),o=je(e),n=Math.max(...o),s=n/2,i=[t[0]-s,t[1]-s],a=[t[0]+s,t[1]+s];return{startPoint:i,endPoint:a,palmLandmarks:e.palmLandmarks}}$.squarifyBox=nn;function sn(e,t){const o=[e.endPoint[0]-e.startPoint[0],e.endPoint[1]-e.startPoint[1]],n=[o[0]*t[0],o[1]*t[1]],s=[e.startPoint[0]+n[0],e.startPoint[1]+n[1]],i=[e.endPoint[0]+n[0],e.endPoint[1]+n[1]];return{startPoint:s,endPoint:i,palmLandmarks:e.palmLandmarks}}$.shiftBox=sn});var Zt=v(Qt=>{const _=require("@tensorflow/tfjs"),rn=Xe();class an{constructor(e,t,o){this.model=e,this.width=o.inputSize,this.height=o.inputSize,this.anchors=t.map(n=>[n.x_center,n.y_center]),this.anchorsTensor=_.tensor2d(this.anchors),this.inputSizeTensor=_.tensor1d([o.inputSize,o.inputSize]),this.doubleInputSizeTensor=_.tensor1d([o.inputSize*2,o.inputSize*2])}normalizeBoxes(e){return _.tidy(()=>{const t=_.slice(e,[0,0],[-1,2]),o=_.slice(e,[0,2],[-1,2]),n=_.add(_.div(t,this.inputSizeTensor),this.anchorsTensor),s=_.div(o,this.doubleInputSizeTensor),i=_.mul(_.sub(n,s),this.inputSizeTensor),a=_.mul(_.add(n,s),this.inputSizeTensor);return _.concat2d([i,a],1)})}normalizeLandmarks(e,t){return _.tidy(()=>{const o=_.add(_.div(e.reshape([-1,7,2]),this.inputSizeTensor),this.anchors[t]);return _.mul(o,this.inputSizeTensor)})}async getBoundingBoxes(e){const t=this.model.predict(e),o=t.squeeze(),n=_.tidy(()=>_.sigmoid(_.slice(o,[0,0],[-1,1])).squeeze()),s=_.slice(o,[0,1],[-1,4]),i=this.normalizeBoxes(s),a=await _.image.nonMaxSuppressionAsync(i,n,this.maxHands,this.iouThreshold,this.scoreThreshold),c=await a.array(),d=[t,a,o,i,s,n],l=_.tidy(()=>{const h=[];for(const p in c){const u=c[p],r=_.slice(i,[u,0],[1,-1]),x=_.slice(o,[u,5],[1,14]),T=_.tidy(()=>this.normalizeLandmarks(x,u).reshape([-1,2]));h.push({boxes:r,palmLandmarks:T})}return h});return d.forEach(h=>h.dispose()),l}async estimateHandBounds(e,t){this.iouThreshold=t.iouThreshold,this.scoreThreshold=t.scoreThreshold,this.maxHands=t.maxHands;const o=e.resizeBilinear([this.width,this.height]),n=o.div(255),s=n.sub(.5),i=s.mul(2);o.dispose(),n.dispose(),s.dispose();const a=await this.getBoundingBoxes(i);if(i.dispose(),!a||a.length===0)return null;const c=[];for(const d in a){const l=a[d],h=await l.boxes.array(),p=h[0].slice(0,2),u=h[0].slice(2,4),r=await l.palmLandmarks.array();l.boxes.dispose(),l.palmLandmarks.dispose(),c.push(rn.scaleBoxCoordinates({startPoint:p,endPoint:u,palmLandmarks:r},[e.shape[2]/this.width,e.shape[1]/this.height]))}return c}}Qt.HandDetector=an});var Jt=v($t=>{$t.MESH_ANNOTATIONS={thumb:[1,2,3,4],indexFinger:[5,6,7,8],middleFinger:[9,10,11,12],ringFinger:[13,14,15,16],pinky:[17,18,19,20],palmBase:[0]}});var s0=v(J=>{function e0(e){return e-2*Math.PI*Math.floor((e+Math.PI)/(2*Math.PI))}J.normalizeRadians=e0;function cn(e,t){const o=Math.PI/2-Math.atan2(-(t[1]-e[1]),t[0]-e[0]);return e0(o)}J.computeRotation=cn;const t0=(e,t)=>[[1,0,e],[0,1,t],[0,0,1]];function ie(e,t){let o=0;for(let n=0;n<e.length;n++)o+=e[n]*t[n];return o}J.dot=ie;function o0(e,t){const o=[];for(let n=0;n<e.length;n++)o.push(e[n][t]);return o}J.getColumnFrom2DArr=o0;function n0(e,t){const o=[],n=e.length;for(let s=0;s<n;s++){o.push([]);for(let i=0;i<n;i++)o[s].push(ie(e[s],o0(t,i)))}return o}function dn(e,t){const o=Math.cos(e),n=Math.sin(e),s=[[o,-n,0],[n,o,0],[0,0,1]],i=t0(t[0],t[1]),a=n0(i,s),c=t0(-t[0],-t[1]);return n0(a,c)}J.buildRotationMatrix=dn;function ln(e){const t=[[e[0][0],e[1][0]],[e[0][1],e[1][1]]],o=[e[0][2],e[1][2]],n=[-ie(t[0],o),-ie(t[1],o)];return[t[0].concat(n[0]),t[1].concat(n[1]),[0,0,1]]}J.invertTransformMatrix=ln;function un(e,t){return[ie(e,t[0]),ie(e,t[1])]}J.rotatePoint=un});var c0=v(i0=>{const r0=require("@tensorflow/tfjs"),q=Xe(),ee=s0(),hn=.8,mn=[0,-.4],pn=[0,-.1],fn=1.65,a0=[0,5,9,13,17,1,2],gn=0,xn=2;class bn{constructor(e,t,o){this.regionsOfInterest=[],this.runsWithoutHandDetector=0,this.boundingBoxDetector=e,this.meshDetector=t,this.meshWidth=o.inputSize,this.meshHeight=o.inputSize,this.enlargeFactor=o.enlargeFactor}getBoxForPalmLandmarks(e,t){const o=e.map(s=>{const i=[...s,1];return ee.rotatePoint(i,t)}),n=this.calculateLandmarksBoundingBox(o);return q.enlargeBox(q.squarifyBox(q.shiftBox(n,mn)),this.enlargeFactor)}getBoxForHandLandmarks(e){const t=this.calculateLandmarksBoundingBox(e),o=q.enlargeBox(q.squarifyBox(q.shiftBox(t,pn)),fn),n=[];for(let s=0;s<a0.length;s++)n.push(e[a0[s]].slice(0,2));return o.palmLandmarks=n,o}transformRawCoords(e,t,o,n){const s=q.getBoxSize(t),i=[s[0]/this.meshWidth,s[1]/this.meshHeight],a=e.map(u=>[i[0]*(u[0]-this.meshWidth/2),i[1]*(u[1]-this.meshHeight/2),u[2]]),c=ee.buildRotationMatrix(o,[0,0]),d=a.map(u=>{const r=ee.rotatePoint(u,c);return[...r,u[2]]}),l=ee.invertTransformMatrix(n),h=[...q.getBoxCenter(t),1],p=[ee.dot(h,l[0]),ee.dot(h,l[1])];return d.map(u=>[u[0]+p[0],u[1]+p[1],u[2]])}async estimateHands(e,t){this.skipFrames=t.skipFrames,this.detectionConfidence=t.minConfidence,this.maxHands=t.maxHands,this.runsWithoutHandDetector++;const o=this.shouldUpdateRegionsOfInterest();if(o===!0){const s=await this.boundingBoxDetector.estimateHandBounds(e,t);this.regionsOfInterest=[];for(const i in s)this.updateRegionsOfInterest(s[i],!0,i);this.runsWithoutHandDetector=0}const n=[];if(!this.regionsOfInterest)return n;for(const s in this.regionsOfInterest){const i=this.regionsOfInterest[s][0];if(!i)return n;const a=ee.computeRotation(i.palmLandmarks[gn],i.palmLandmarks[xn]),c=q.getBoxCenter(i),d=[c[0]/e.shape[2],c[1]/e.shape[1]],l=r0.image.rotateWithOffset(e,a,0,d),h=ee.buildRotationMatrix(-a,c),p=o?this.getBoxForPalmLandmarks(i.palmLandmarks,h):i,u=q.cutBoxFromImageAndResize(p,l,[this.meshWidth,this.meshHeight]),r=u.div(255);u.dispose(),l.dispose();const x=this.meshDetector.predict(r),[T,M]=x;r.dispose();const P=T.dataSync()[0];if(T.dispose(),P<t.minConfidence)return M.dispose(),this.regionsOfInterest[s]=[],n;const w=r0.reshape(M,[-1,3]),k=await w.array();M.dispose(),w.dispose();const N=this.transformRawCoords(k,p,a,h),f=this.getBoxForHandLandmarks(N);this.updateRegionsOfInterest(f,!1,s);const 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e.reduce((o,n)=>(Object.keys(n||{}).forEach(s=>{const i=o[s],a=n[s];Array.isArray(i)&&Array.isArray(a)?o[s]=i.concat(...a):t(i)&&t(a)?o[s]=be(i,a):o[s]=a}),o),{})}function Fn(e){if(!e)return"input is not defined";if(B.ENV.flags.IS_NODE&&!(e instanceof B.Tensor))return"input must be a tensor";try{B.getBackend()}catch{return"backend not loaded"}return null}async function Bn(e){e&&(g=be(Ge,e)),g.face.enabled&&!F.facemesh&&(C("Load model: Face"),F.facemesh=await x0.load(g.face)),g.body.enabled&&!F.posenet&&(C("Load model: Body"),F.posenet=await y0.load(g.body)),g.hand.enabled&&!F.handpose&&(C("Load model: Hand"),F.handpose=await w0.load(g.hand)),g.face.enabled&&g.face.age.enabled&&!F.age&&(C("Load model: Age"),F.age=await xe.loadAge(g)),g.face.enabled&&g.face.gender.enabled&&!F.gender&&(C("Load model: Gender"),F.gender=await xe.loadGender(g)),g.face.enabled&&g.face.emotion.enabled&&!F.emotion&&(C("Load model: Emotion"),F.emotion=await b0.load(g))}function Dn(e){let t;if(B.ENV.flags.IS_BROWSER&&g.filter.enabled&&!(e instanceof B.Tensor)){const n=e.naturalWidth||e.videoWidth||e.width||e.shape&&e.shape[1]>0,s=e.naturalHeight||e.videoHeight||e.height||e.shape&&e.shape[2]>0;re||(re=new OffscreenCanvas(n,s));const i=re.getContext("2d");e instanceof ImageData?i.putImageData(e,0,0):i.drawImage(e,0,0,n,s,0,0,re.width,re.height),R?R.reset():R=new In.Canvas,R.addFilter("brightness",g.filter.brightness),g.filter.contrast!==0&&R.addFilter("contrast",g.filter.contrast),g.filter.sharpness!==0&&R.addFilter("sharpen",g.filter.sharpness),g.filter.blur!==0&&R.addFilter("blur",g.filter.blur),g.filter.saturation!==0&&R.addFilter("saturation",g.filter.saturation),g.filter.hue!==0&&R.addFilter("hue",g.filter.hue),g.filter.negative&&R.addFilter("negative"),g.filter.sepia&&R.addFilter("sepia"),g.filter.vintage&&R.addFilter("brownie"),g.filter.sepia&&R.addFilter("sepia"),g.filter.kodachrome&&R.addFilter("kodachrome"),g.filter.technicolor&&R.addFilter("technicolor"),g.filter.polaroid&&R.addFilter("polaroid"),g.filter.pixelate!==0&&R.addFilter("pixelate",g.filter.pixelate),t=R.apply(re)}let o;if(e instanceof B.Tensor)o=B.clone(e);else{const n=B.browser.fromPixels(t||e),s=n.toFloat();o=s.expandDims(0),n.dispose(),s.dispose()}return{tensor:o,canvas:g.filter.return?t:null}}async function kn(e,t={}){H="config";const o={};let n;n=S(),g=be(Ge,t),g.videoOptimized||(g=be(g,Rn)),o.config=Math.trunc(S()-n),n=S(),H="check";const s=Fn(e);return s?(C(s,e),{error:s}):(o.sanity=Math.trunc(S()-n),new Promise(async i=>{const a=S();n=S(),B.getBackend()!==g.backend&&(H="backend",C("Human library setting backend:",g.backend),await B.setBackend(g.backend),await B.ready()),o.backend=Math.trunc(S()-n);const c=Object.values(F).filter(r=>r).length;c===0&&(C("Human library starting"),C("Configuration:",g),C("Flags:",B.ENV.flags)),n=S(),H="load",await Bn(),o.load=Math.trunc(S()-n),g.scoped&&B.engine().startScope(),te("Start Detect:"),n=S();const d=Dn(e);o.image=Math.trunc(S()-n);const l=d.tensor;H="run:body",n=S(),te("Start PoseNet");const h=g.body.enabled?await F.posenet.estimatePoses(l,g.body):[];te("End PoseNet:"),o.body=Math.trunc(S()-n),H="run:hand",n=S(),te("Start HandPose:");const p=g.hand.enabled?await F.handpose.estimateHands(l,g.hand):[];te("End HandPose:"),o.hand=Math.trunc(S()-n);const u=[];if(g.face.enabled){H="run:face",n=S(),te("Start FaceMesh:");const r=await F.facemesh.estimateFaces(l,g.face);o.face=Math.trunc(S()-n);for(const x of r){if(!x.image||x.image.isDisposedInternal){C("face object is disposed:",x.image);continue}H="run:agegender",n=S();const T=g.face.age.enabled||g.face.gender.enabled?await xe.predict(x.image,g):{};o.agegender=Math.trunc(S()-n),H="run:emotion",n=S();const M=g.face.emotion.enabled?await b0.predict(x.image,g):{};o.emotion=Math.trunc(S()-n),x.image.dispose();const P=x.annotations.leftEyeIris&&x.annotations.rightEyeIris?Math.max(x.annotations.leftEyeIris[3][0]-x.annotations.leftEyeIris[1][0],x.annotations.rightEyeIris[3][0]-x.annotations.rightEyeIris[1][0]):0;u.push({confidence:x.confidence,box:x.box,mesh:x.mesh,annotations:x.annotations,age:T.age,gender:T.gender,agConfidence:T.confidence,emotion:M,iris:P!==0?Math.trunc(100*11.7/P)/100:0}),te("End FaceMesh:")}}l.dispose(),H="idle",g.scoped&&B.engine().endScope(),te("End Scope:"),o.total=Math.trunc(S()-a),i({face:u,body:h,hand:p,performance:o,canvas:d.canvas})}))}z.detect=kn;z.defaults=Ge;z.config=g;z.models=F;z.facemesh=x0;z.ssrnet=xe;z.posenet=y0;z.handpose=w0;z.tf=B;z.version=Sn.version;z.state=H});export default v0();
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