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0===i&&(i=!1),e.tidy(function(){var n=e.image.resizeBilinear(t,[u,f],!0);return i&&(n=e.sigmoid(n)),function(t,n,r){var o=n[0],i=n[1],a=r[0],s=a[0],u=a[1],f=r[1],d=f[0],l=f[1];return e.tidy(function(){var n=e.expandDims(t);return e.squeeze(e.image.cropAndResize(n,[[s/(o+s+u-1),d/(i+d+l-1),(s+o-1)/(o+s+u-1),(d+i-1)/(i+d+l-1)]],[0],[o,i]),[0])})}(n,[a,s],[[l,c],[p,m]])})}function et(t,n){var r=n[0],o=n[1],i=U(t),a=i[0],s=i[1],u=o/r,f=[0,0,0,0],d=f[0],l=f[1],c=f[2],h=f[3];return s/a<u?(d=0,l=0,c=Math.round(.5*(u*a-s)),h=Math.round(.5*(u*a-s))):(d=Math.round(.5*(1/u*s-a)),l=Math.round(.5*(1/u*s-a)),c=0,h=0),{resized:e.tidy(function(){var n=function(t){return t instanceof e.Tensor?t:e.browser.fromPixels(t)}(t);return n=e.pad3d(n,[[d,l],[c,h],[0,0]]),e.image.resizeBilinear(n,[r,o])}),padding:{top:d,left:c,right:h,bottom:l}}}function nt(t){return a(this,void 0,void 0,function(){return s(this,function(e){return[2,Promise.all(t.map(function(t){return t.buffer()}))]})})}function rt(t,e){return{score:t.score,keypoints:t.keypoints.map(function(t){var n=t.score,r=t.part,o=t.position;return{score:n,part:r,position:{x:e-1-o.x,y:o.y}}})}}function ot(t,e,n,r,o){var i=e[0],a=e[1],s=n[0],u=n[1],f=function(t,e,n,r,o){return void 0===r&&(r=0),void 0===o&&(o=0),1===n&&1===e&&0===r&&0===o?t:t.map(function(t){return function(t,e,n,r,o){return void 0===r&&(r=0),void 0===o&&(o=0),{score:t.score,keypoints:t.keypoints.map(function(t){var i=t.score,a=t.part,s=t.position;return{score:i,part:a,position:{x:s.x*n+o,y:s.y*e+r}}})}}(t,e,n,r,o)})}(t,(i+r.top+r.bottom)/s,(a+r.left+r.right)/u,-r.top,-r.left);return o?function(t,e){return e<=0?t:t.map(function(t){return rt(t,e)})}(f,a):f}var it={architecture:"MobileNetV1",outputStride:16,quantBytes:4,multiplier:.75},at=["MobileNetV1","ResNet50"],st={MobileNetV1:[8,16,32],ResNet50:[32,16]},ut={MobileNetV1:[.5,.75,1],ResNet50:[1]},ft=[1,2,4];var dt={flipHorizontal:!1,internalResolution:"medium",segmentationThreshold:.7,maxDetections:10,scoreThreshold:.4,nmsRadius:20},lt={flipHorizontal:!1,internalResolution:"medium",segmentationThreshold:.7,maxDetections:10,scoreThreshold:.4,nmsRadius:20,minKeypointScore:.3,refineSteps:10};function ct(t){var e=t.segmentationThreshold,n=t.maxDetections,r=t.scoreThreshold,o=t.nmsRadius;if(e<0||e>1)throw new Error("segmentationThreshold "+e+". Should be in range [0.0, 1.0]");if(n<=0)throw new Error("Invalid maxDetections "+n+". Should be > 0");if(r<0||r>1)throw new Error("Invalid scoreThreshold "+r+". Should be in range [0.0, 1.0]");if(o<=0)throw new Error("Invalid nmsRadius "+o+".")}function ht(t){var e=t.segmentationThreshold,n=t.maxDetections,r=t.scoreThreshold,o=t.nmsRadius,i=t.minKeypointScore,a=t.refineSteps;if(e<0||e>1)throw new Error("segmentationThreshold "+e+". Should be in range [0.0, 1.0]");if(n<=0)throw new Error("Invalid maxDetections "+n+". Should be > 0");if(r<0||r>1)throw new Error("Invalid scoreThreshold "+r+". Should be in range [0.0, 1.0]");if(o<=0)throw new Error("Invalid nmsRadius "+o+".");if(i<0||i>1)throw new Error("Invalid minKeypointScore "+i+".Should be in range [0.0, 1.0]");if(a<=0||a>20)throw new Error("Invalid refineSteps "+a+".Should be in range [1, 20]")}var pt=function(){function t(t){this.baseModel=t}return t.prototype.predictForPersonSegmentation=function(t){var e=this.baseModel.predict(t);return{segmentLogits:e.segmentation,heatmapScores:e.heatmapScores,offsets:e.offsets,displacementFwd:e.displacementFwd,displacementBwd:e.displacementBwd}},t.prototype.predictForPersonSegmentationAndPart=function(t){var e=this.baseModel.predict(t);return{segmentLogits:e.segmentation,partHeatmapLogits:e.partHeatmaps,heatmapScores:e.heatmapScores,offsets:e.offsets,displacementFwd:e.displacementFwd,displacementBwd:e.displacementBwd}},t.prototype.predictForMultiPersonInstanceSegmentationAndPart=function(t){var 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=U(t),a=i[0],s=i[1],u=$(n,this.baseModel.outputStride,[a,s]),d=et(t,u),l=d.resized,c=d.padding,h=e.tidy(function(){var t=o.predictForPersonSegmentation(l),n=t.segmentLogits,i=t.heatmapScores,u=t.offsets,d=t.displacementFwd,h=t.displacementBwd,p=l.shape,m=p[0],g=p[1],v=tt(n,[a,s],[m,g],[[c.top,c.bottom],[c.left,c.right]],!0);return{segmentation:f(e.squeeze(v),r),heatmapScores:i,offsets:u,displacementFwd:d,displacementBwd:h}}),p=h.segmentation,m=h.heatmapScores,g=h.offsets,v=h.displacementFwd,w=h.displacementBwd;return l.dispose(),{segmentation:p,heatmapScores:m,offsets:g,displacementFwd:v,displacementBwd:w,padding:c,internalResolutionHeightAndWidth:u}},t.prototype.segmentPerson=function(t,e){return void 0===e&&(e=dt),a(this,void 0,void 0,function(){var n,r,o,a,u,f,d,l,c,h,p,m,g,v,w,y,b,x;return s(this,function(s){switch(s.label){case 0:return ct(e=i(i({},dt),e)),n=this.segmentPersonActivation(t,e.internalResolution,e.segmentationThreshold),r=n.segmentation,o=n.heatmapScores,a=n.offsets,u=n.displacementFwd,f=n.displacementBwd,d=n.padding,l=n.internalResolutionHeightAndWidth,c=r.shape,h=c[0],p=c[1],[4,r.data()];case 1:return m=s.sent(),r.dispose(),[4,nt([o,a,u,f])];case 2:return g=s.sent(),v=g[0],w=g[1],y=g[2],b=g[3],x=ot(x=z(v,w,y,b,this.baseModel.outputStride,e.maxDetections,e.scoreThreshold,e.nmsRadius),[h,p],l,d,!1),o.dispose(),a.dispose(),u.dispose(),f.dispose(),[2,{height:h,width:p,data:m,allPoses:x}]}})})},t.prototype.segmentMultiPerson=function(t,n){return void 0===n&&(n=lt),a(this,void 0,void 0,function(){var r,o,a,u,d,l,c,h,p,m,g,v,w,y,b,x,S,k,M,E,_,P=this;return s(this,function(s){switch(s.label){case 0:return ht(n=i(i({},lt),n)),r=U(t),o=r[0],a=r[1],u=$(n.internalResolution,this.baseModel.outputStride,[o,a]),d=et(t,u),l=d.resized,c=d.padding,h=e.tidy(function(){var t,r=P.predictForMultiPersonInstanceSegmentationAndPart(l),i=r.segmentLogits,s=r.longOffsets,d=r.heatmapScores,h=r.offsets,p=r.displacementFwd,m=r.displacementBwd,g=tt(i,[o,a],u,[[c.top,c.bottom],[c.left,c.right]],!0);return t=s,{segmentation:f(e.squeeze(g),n.segmentationThreshold),longOffsets:t,heatmapScoresRaw:d,offsetsRaw:h,displacementFwdRaw:p,displacementBwdRaw:m}}),p=h.segmentation,m=h.longOffsets,g=h.heatmapScoresRaw,v=h.offsetsRaw,w=h.displacementFwdRaw,y=h.displacementBwdRaw,[4,nt([g,v,w,y])];case 1:return b=s.sent(),x=b[0],S=b[1],k=b[2],M=b[3],E=ot(E=z(x,S,k,M,this.baseModel.outputStride,n.maxDetections,n.scoreThreshold,n.nmsRadius),[o,a],u,c,!1),[4,O(p,m,E,o,a,this.baseModel.outputStride,u,c,n.scoreThreshold,n.refineSteps,n.minKeypointScore,n.maxDetections)];case 2:return _=s.sent(),l.dispose(),p.dispose(),m.dispose(),g.dispose(),v.dispose(),w.dispose(),y.dispose(),[2,_]}})})},t.prototype.segmentPersonPartsActivation=function(t,n,r){var o=this;void 0===r&&(r=.5);var i=U(t),a=i[0],s=i[1],u=$(n,this.baseModel.outputStride,[a,s]),l=et(t,u),c=l.resized,h=l.padding,p=e.tidy(function(){var t=o.predictForPersonSegmentationAndPart(c),n=t.segmentLogits,i=t.partHeatmapLogits,u=t.heatmapScores,l=t.offsets,p=t.displacementFwd,m=t.displacementBwd,g=c.shape,v=g[0],w=g[1],y=tt(n,[a,s],[v,w],[[h.top,h.bottom],[h.left,h.right]],!0),b=tt(i,[a,s],[v,w],[[h.top,h.bottom],[h.left,h.right]],!0);return{partSegmentation:d(f(e.squeeze(y),r),b),heatmapScores:u,offsets:l,displacementFwd:p,displacementBwd:m}}),m=p.partSegmentation,g=p.heatmapScores,v=p.offsets,w=p.displacementFwd,y=p.displacementBwd;return c.dispose(),{partSegmentation:m,heatmapScores:g,offsets:v,displacementFwd:w,displacementBwd:y,padding:h,internalResolutionHeightAndWidth:u}},t.prototype.segmentPersonParts=function(t,e){return void 0===e&&(e=dt),a(this,void 0,void 0,function(){var n,r,o,a,u,f,d,l,c,h,p,m,g,v,w,y,b,x;return s(this,function(s){switch(s.label){case 0:return ct(e=i(i({},dt),e)),n=this.segmentPersonPartsActivation(t,e.internalResolution,e.segmentationThreshold),r=n.partSegmentation,o=n.heatmapScores,a=n.offsets,u=n.displacementFwd,f=n.displacementBwd,d=n.padding,l=n.internalResolutionHeightAndWidth,c=r.shape,h=c[0],p=c[1],[4,r.data()];case 1:return m=s.sent(),r.dispose(),[4,nt([o,a,u,f])];case 2:return g=s.sent(),v=g[0],w=g[1],y=g[2],b=g[3],x=ot(x=z(v,w,y,b,this.baseModel.outputStride,e.maxDetections,e.scoreThreshold,e.nmsRadius),[h,p],l,d,!1),o.dispose(),a.dispose(),u.dispose(),f.dispose(),[2,{height:h,width:p,data:m,allPoses:x}]}})})},t.prototype.segmentMultiPersonParts=function(t,n){return void 0===n&&(n=lt),a(this,void 0,void 0,function(){var r,o,a,d,l,c,h,p,m,g,v,w,y,b,x,S,k,M,E,_,O,A,I=this;return s(this,function(s){switch(s.label){case 0:return ht(n=i(i({},lt),n)),r=U(t),o=r[0],a=r[1],d=$(n.internalResolution,this.baseModel.outputStride,[o,a]),l=et(t,d),c=l.resized,h=l.padding,p=e.tidy(function(){var t=I.predictForMultiPersonInstanceSegmentationAndPart(c),r=t.segmentLogits,i=t.longOffsets,s=t.heatmapScores,l=t.offsets,p=t.displacementFwd,m=t.displacementBwd,g=t.partHeatmaps,v=tt(r,[o,a],d,[[h.top,h.bottom],[h.left,h.right]],!0),w=tt(g,[o,a],d,[[h.top,h.bottom],[h.left,h.right]],!0),y=i;return{segmentation:f(e.squeeze(v),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.expandDims(e.range(0,i,1,"int32"),1),s=e.cast(e.matMul(n,a),"int32");return e.reshape(s,[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,nt([v,w,y,b])];case 1:return 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