/**
    * @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.
    * =============================================================================
    */
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o=n[0],i=n[1],a=r[0],s=a[0],u=a[1],d=r[1],f=d[0],l=d[1];return e.tidy(function(){return e.image.cropAndResize(t.expandDims(),[[s/(o+s+u-1),f/(i+f+l-1),(s+o-1)/(o+s+u-1),(f+i-1)/(i+f+l-1)]],[0],[o,i]).squeeze([0])})}(n,[a,s],[[l,c],[p,m]])})}function tt(t,n){var r=n[0],o=n[1],i=Q(t),a=i[0],s=i[1],u=o/r,d=[0,0,0,0],f=d[0],l=d[1],c=d[2],h=d[3];return s/a<u?(f=0,l=0,c=Math.round(.5*(u*a-s)),h=Math.round(.5*(u*a-s))):(f=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,[[f,l],[c,h],[0,0]])).resizeBilinear([r,o])}),padding:{top:f,left:c,right:h,bottom:l}}}function et(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 nt(t,e){return{score:t.score,keypoints:t.keypoints.map(function(t){var 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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($(e,[a,s],[p,m],[[c.top,c.bottom],[c.left,c.right]],!0).squeeze(),r),heatmapScores:n,offsets:i,displacementFwd:u,displacementBwd:f}}),p=h.segmentation,m=h.heatmapScores,g=h.offsets,v=h.displacementFwd,w=h.displacementBwd;return l.dispose(),{segmentation:p,heatmapScores:m,offsets:g,displacementFwd:v,displacementBwd:w,padding:c,internalResolutionHeightAndWidth:u}},t.prototype.segmentPerson=function(t,e){return void 0===e&&(e=dt),a(this,void 0,void 0,function(){var n,r,o,a,u,d,f,l,c,h,p,m,g,v,w,y,b,x;return s(this,function(s){switch(s.label){case 0:return lt(e=i({},dt,e)),n=this.segmentPersonActivation(t,e.internalResolution,e.segmentationThreshold),r=n.segmentation,o=n.heatmapScores,a=n.offsets,u=n.displacementFwd,d=n.displacementBwd,f=n.padding,l=n.internalResolutionHeightAndWidth,c=r.shape,h=c[0],p=c[1],[4,r.data()];case 1:return m=s.sent(),r.dispose(),[4,et([o,a,u,d])];case 2:return g=s.sent(),v=g[0],w=g[1],y=g[2],b=g[3],x=rt(x=C(v,w,y,b,this.baseModel.outputStride,e.maxDetections,e.scoreThreshold,e.nmsRadius),[h,p],l,f,!1),o.dispose(),a.dispose(),u.dispose(),d.dispose(),[2,{height:h,width:p,data:m,allPoses:x}]}})})},t.prototype.segmentMultiPerson=function(t,n){return void 0===n&&(n=ft),a(this,void 0,void 0,function(){var r,o,a,u,f,l,c,h,p,m,g,v,w,y,b,x,S,M,k,_,P,O=this;return s(this,function(s){switch(s.label){case 0:return ct(n=i({},ft,n)),r=Q(t),o=r[0],a=r[1],u=Z(n.internalResolution,this.baseModel.outputStride,[o,a]),f=tt(t,u),l=f.resized,c=f.padding,h=e.tidy(function(){var t,e=O.predictForMultiPersonInstanceSegmentationAndPart(l),r=e.segmentLogits,i=e.longOffsets,s=e.heatmapScores,f=e.offsets,h=e.displacementFwd,p=e.displacementBwd;return t=i,{segmentation:d($(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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