/**
    * @license
    * Copyright 2021 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 s(t){try{u(r.throw(t))}catch(t){i(t)}}function u(t){var e;t.done?o(t.value):(e=t.value,e instanceof n?e:new n(function(t){t(e)})).then(a,s)}u((r=r.apply(t,e||[])).next())})}function s(t,e){var n,r,o,i,a={label:0,sent:function(){if(1&o[0])throw o[1];return o[1]},trys:[],ops:[]};return i={next:s(0),throw:s(1),return:s(2)},"function"==typeof Symbol&&(i[Symbol.iterator]=function(){return this}),i;function s(i){return function(s){return function(i){if(n)throw new TypeError("Generator is already executing.");for(;a;)try{if(n=1,r&&(o=2&i[0]?r.return:i[0]?r.throw||((o=r.return)&&o.call(r),0):r.next)&&!(o=o.call(r,i[1])).done)return o;switch(r=0,o&&(i=[2&i[0],o.value]),i[0]){case 0:case 1:o=i;break;case 4:return a.label++,{value:i[1],done:!1};case 5:a.label++,r=i[1],i=[0];continue;case 7:i=a.ops.pop(),a.trys.pop();continue;default:if(!(o=(o=a.trys).length>0&&o[o.length-1])&&(6===i[0]||2===i[0])){a=0;continue}if(3===i[0]&&(!o||i[1]>o[0]&&i[1]<o[3])){a.label=i[1];break}if(6===i[0]&&a.label<o[1]){a.label=o[1],o=i;break}if(o&&a.label<o[2]){a.label=o[2],a.ops.push(i);break}o[2]&&a.ops.pop(),a.trys.pop();continue}i=e.call(t,a)}catch(t){i=[6,t],r=0}finally{n=o=0}if(5&i[0])throw i[1];return{value:i[0]?i[1]:void 0,done:!0}}([i,s])}}}function u(t){var n=t.shape[2],r=e.argMax(t,2),o=e.reshape(r,[-1]);return e.oneHot(o,n)}function f(t,n){return e.tidy(function(){return e.cast(e.greater(t,e.scalar(n)),"int32")})}function d(t,n){var r=n.shape,o=r[0],i=r[1],a=r[2];return e.tidy(function(){var r,s,f=u(n),d=e.expandDims(e.range(0,a,1,"int32"),1),l=e.cast(e.matMul(f,d),"int32"),c=e.reshape(l,[o,i]),h=e.add(c,e.scalar(1,"int32"));return e.sub((r=h,s=t,e.mul(r,s)),e.scalar(1,"int32"))})}var l=function(){function t(t,n){this.model=t,this.outputStride=n;var r=this.model.inputs[0].shape;e.util.assert(-1===r[1]&&-1===r[2],function(){return"Input shape ["+r[1]+", "+r[2]+"] must both be equal to or -1"})}return t.prototype.predict=function(t){var n=this;return e.tidy(function(){var r=n.preprocessInput(e.cast(t,"float32")),o=e.expandDims(r,0),i=n.model.predict(o).map(function(t){return e.squeeze(t,[0])}),a=n.nameOutputResults(i);return{heatmapScores:e.sigmoid(a.heatmap),offsets:a.offsets,displacementFwd:a.displacementFwd,displacementBwd:a.displacementBwd,segmentation:a.segmentation,partHeatmaps:a.partHeatmaps,longOffsets:a.longOffsets,partOffsets:a.partOffsets}})},t.prototype.dispose=function(){this.model.dispose()},t}(),c=function(t){function n(){return null!==t&&t.apply(this,arguments)||this}return o(n,t),n.prototype.preprocessInput=function(t){return e.tidy(function(){return e.sub(e.div(t,127.5),1)})},n.prototype.nameOutputResults=function(t){return{offsets:t[0],segmentation:t[1],partHeatmaps:t[2],longOffsets:t[3],heatmap:t[4],displacementFwd:t[5],displacementBwd:t[6],partOffsets:t[7]}},n}(l),h=["nose","leftEye","rightEye","leftEar","rightEar","leftShoulder","rightShoulder","leftElbow","rightElbow","leftWrist","rightWrist","leftHip","rightHip","leftKnee","rightKnee","leftAnkle","rightAnkle"],p=h.length,m=h.reduce(function(t,e,n){return t[e]=n,t},{});[["leftHip","leftShoulder"],["leftElbow","leftShoulder"],["leftElbow","leftWrist"],["leftHip","leftKnee"],["leftKnee","leftAnkle"],["rightHip","rightShoulder"],["rightElbow","rightShoulder"],["rightElbow","rightWrist"],["rightHip","rightKnee"],["rightKnee","rightAnkle"],["leftShoulder","rightShoulder"],["leftHip","rightHip"]].map(function(t){var e=t[0],n=t[1];return[m[e],m[n]]});function g(t,e,n){var r=t[0],o=t[1],i=e[0],a=e[1],s=n.top,u=n.bottom;return[a/(n.left+n.right+o),i/(s+u+r)]}function v(t,e,n,r){return{y:r.get(t,e,n),x:r.get(t,e,n+p)}}function w(t,e,n){var r=v(t.heatmapY,t.heatmapX,t.id,n),o=r.y,i=r.x;return{x:t.heatmapX*e+i,y:t.heatmapY*e+o}}function y(t,e,n){return t<e?e:t>n?n:t}function b(t,e){return{x:t.x+e.x,y:t.y+e.y}}function x(t,e,n){void 0===n&&(n=.3);for(var r=0,o=0,i=0;i<t.length;i++)e.keypoints[i].score>n&&(o+=1,r+=Math.pow(t[i].x-e.keypoints[i].position.x,2)+Math.pow(t[i].y-e.keypoints[i].position.y,2));return 0===o?r=1/0:r/=o,r}function S(t,e,n,r,o,i,a){for(var s=a[0],u=a[1],f=n(t),d=f.y*r+f.x,l=o[p*(2*d)+e],c=o[p*(2*d+1)+e],h=t.y+l,m=t.x+c,g=0;g<i;g++){h=Math.min(h,s-1);var v=n({x:m=Math.min(m,u-1),y:h}),w=v.y*r+v.x;h+=l=o[p*(2*w)+e],m+=c=o[p*(2*w+1)+e]}return{x:m,y:h}}function k(t,e,n,r,o,i,a,s,u,f){for(var d=o[0],l=o[1],c=i[0],h=i[1],p=s[0],m=s[1],g=[],v=function(t){return function(t,e,n,r){var o=e[0],i=e[1],a=n[0],s=n[1],u=Math.round(((o+t.y+1)*s-1)/r);return{x:Math.round(((i+t.x+1)*a-1)/r),y:u}}(t,[d,l],[c,h],u)},w=0;w<r;w++){var y=S(t,w,v,a,e,f,[p,m]);g.push(y)}for(var b=-1,k=1/0,M=0;M<n.length;M++){var E=x(g,n[M]);E<k&&(b=M,k=E)}return b}function M(t,e){var n=t[0],r=t[1];return[Math.round((r-1)/e+1),Math.round((n-1)/e+1)]}function E(t,n,r,o,i,a,s,u,f,d,l){for(var c=s[0],h=s[1],m=t.shape,v=m[0],w=m[1],y=n.shape.slice(0,2),b=y[0],x=y[1],S=e.reshape(n,[b,x,2,p]),k=new Float32Array(l*p*3).fill(0),M=0;M<r.length;M++)for(var E=M*p*3,_=r[M],O=0;O<p;O++){var P=_.keypoints[O],A=E+3*O;k[A]=P.score,k[A+1]=P.position.y,k[A+2]=P.position.x}var I=g([o,i],[c,h],u),R=I[0],H=I[1],T=e.tensor(k,[l,p,3]),B=u.top,F=u.left,D={variableNames:["segmentation","longOffsets","poses"],outputShape:[v,w],userCode:"\n    int convertToPositionInOutput(int pos, int pad, float scale, int stride) {\n      return round(((float(pos + pad) + 1.0) * scale - 1.0) / float(stride));\n    }\n\n    float convertToPositionInOutputFloat(\n        int pos, int pad, float scale, int stride) {\n      return ((float(pos + pad) + 1.0) * scale - 1.0) / float(stride);\n    }\n\n    float dist(float x1, float y1, float x2, float y2) {\n      return pow(x1 - x2, 2.0) + pow(y1 - y2, 2.0);\n    }\n\n    float sampleLongOffsets(float h, float w, int d, int k) {\n      float fh = fract(h);\n      float fw = fract(w);\n      int clH = int(ceil(h));\n      int clW = int(ceil(w));\n      int flH = int(floor(h));\n      int flW = int(floor(w));\n      float o11 = getLongOffsets(flH, flW, d, k);\n      float o12 = getLongOffsets(flH, clW, d, k);\n      float o21 = getLongOffsets(clH, flW, d, k);\n      float o22 = getLongOffsets(clH, clW, d, k);\n      float o1 = mix(o11, o12, fw);\n      float o2 = mix(o21, o22, fw);\n      return mix(o1, o2, fh);\n    }\n\n    int findNearestPose(int h, int w) {\n      float prob = getSegmentation(h, w);\n      if (prob < 1.0) {\n        return -1;\n      }\n\n      // Done(Tyler): convert from output space h/w to strided space.\n      float stridedH = convertToPositionInOutputFloat(\n        h, "+B+", "+H+", "+a+");\n      float stridedW = convertToPositionInOutputFloat(\n        w, "+F+", "+R+", "+a+");\n\n      float minDist = 1000000.0;\n      int iMin = -1;\n      for (int i = 0; i < "+l+"; i++) {\n        float curDistSum = 0.0;\n        int numKpt = 0;\n        for (int k = 0; k < "+p+"; k++) {\n          float dy = sampleLongOffsets(stridedH, stridedW, 0, k);\n          float dx = sampleLongOffsets(stridedH, stridedW, 1, k);\n\n          float y = float(h) + dy;\n          float x = float(w) + dx;\n\n          for (int s = 0; s < "+f+"; s++) {\n            int yRounded = round(min(y, float("+(o-1)+")));\n            int xRounded = round(min(x, float("+(i-1)+")));\n\n            float yStrided = convertToPositionInOutputFloat(\n              yRounded, "+B+", "+H+", "+a+");\n            float xStrided = convertToPositionInOutputFloat(\n              xRounded, "+F+", "+R+", "+a+");\n\n            float dy = sampleLongOffsets(yStrided, xStrided, 0, k);\n            float dx = sampleLongOffsets(yStrided, xStrided, 1, k);\n\n            y = y + dy;\n            x = x + dx;\n          }\n\n          float poseScore = getPoses(i, k, 0);\n          float poseY = getPoses(i, k, 1);\n          float poseX = getPoses(i, k, 2);\n          if (poseScore > "+d+") {\n            numKpt = numKpt + 1;\n            curDistSum = curDistSum + dist(x, y, poseX, poseY);\n          }\n        }\n        if (numKpt > 0 && curDistSum / float(numKpt) < minDist) {\n          minDist = curDistSum / float(numKpt);\n          iMin = i;\n        }\n      }\n      return iMin;\n    }\n\n    void main() {\n        ivec2 coords = getOutputCoords();\n        int nearestPose = findNearestPose(coords[0], coords[1]);\n        setOutput(float(nearestPose));\n      }\n  "};return e.backend().compileAndRun(D,[t,S,T])}function _(){return"webgl"===e.getBackend()}function O(t,n,r,o,i,u,f,d,l,c,h,p){var m=f[0],v=f[1];return void 0===l&&(l=.2),void 0===c&&(c=8),void 0===h&&(h=.3),void 0===p&&(p=10),a(this,void 0,void 0,function(){var a,f,w,y,b;return s(this,function(s){switch(s.label){case 0:return a=r.filter(function(t){return t.score>=l}),_()?(w=e.tidy(function(){var r=E(t,n,a,o,i,u,[m,v],d,c,h,p),s=e.engine().makeTensorFromDataId(r.dataId,r.shape,r.dtype);return a.map(function(t,n){return function(t,n){return e.tidy(function(){return e.cast(e.equal(t,e.scalar(n)),"int32")})}(s,n)})}),[4,Promise.all(w.map(function(t){return t.data()}))]):[3,2];case 1:return f=s.sent(),w.forEach(function(t){return t.dispose()}),[3,5];case 2:return[4,t.data()];case 3:return y=s.sent(),[4,n.data()];case 4:b=s.sent(),f=function(t,e,n,r,o,i,a,s,u,f){var d=a[0],l=a[1];void 0===f&&(f=5);for(var c=n.map(function(t){return new Uint8Array(r*o).fill(0)}),h=s.top,p=s.left,m=g([r,o],[d,l],s),v=m[0],w=m[1],y=M([d,l],i)[0],b=0;b<r;b+=1)for(var x=0;x<o;x+=1){var S=b*o+x;if(1===t[S]){var E=k({x:x,y:b},e,n,f,[h,p],[v,w],y,[r,o],i,u);E>=0&&(c[E][S]=1)}}return c}(y,b,a,o,i,u,[m,v],d,c),s.label=5;case 5:return[2,f.map(function(t,e){return{data:t,pose:a[e],width:i,height:o}})]}})})}function P(t,n,r,o,i,u,f,d,l,c,h,p,m){var v=d[0],w=d[1];return void 0===c&&(c=.2),void 0===h&&(h=8),void 0===p&&(p=.3),void 0===m&&(m=10),a(this,void 0,void 0,function(){var a,d,y,b,x,S;return s(this,function(s){switch(s.label){case 0:return a=o.filter(function(t){return t.score>=c}),_()?(y=e.tidy(function(){var o=E(t,n,a,i,u,f,[v,w],l,h,p,m),s=e.engine().makeTensorFromDataId(o.dataId,o.shape,o.dtype);return a.map(function(t,n){return function(t,n,r){return e.tidy(function(){return e.sub(e.mul(e.cast(e.equal(t,e.scalar(r)),"int32"),e.add(n,1)),1)})}(s,r,n)})}),[4,Promise.all(y.map(function(t){return t.data()}))]):[3,2];case 1:return d=s.sent(),y.forEach(function(t){return t.dispose()}),[3,6];case 2:return[4,t.data()];case 3:return b=s.sent(),[4,n.data()];case 4:return x=s.sent(),[4,r.data()];case 5:S=s.sent(),d=function(t,e,n,r,o,i,a,s,u,f,d){var l=s[0],c=s[1];void 0===d&&(d=5);for(var h=r.map(function(t){return new Int32Array(o*i).fill(-1)}),p=u.top,m=u.left,v=g([o,i],[l,c],u),w=v[0],y=v[1],b=M([l,c],a)[0],x=0;x<o;x+=1)for(var S=0;S<i;S+=1){var E=x*i+S;if(1===t[E]){var _=k({x:S,y:x},e,r,d,[p,m],[w,y],b,[o,i],a,f);_>=0&&(h[_][E]=n[E])}}return h}(b,x,S,a,i,u,f,[v,w],l,h),s.label=6;case 6:return[2,d.map(function(t,e){return{pose:a[e],data:t,height:i,width:u}})]}})})}function A(t){return Math.floor(t/2)}var I=function(){function t(t,e){this.priorityQueue=new Array(t),this.numberOfElements=-1,this.getElementValue=e}return t.prototype.enqueue=function(t){this.priorityQueue[++this.numberOfElements]=t,this.swim(this.numberOfElements)},t.prototype.dequeue=function(){var t=this.priorityQueue[0];return this.exchange(0,this.numberOfElements--),this.sink(0),this.priorityQueue[this.numberOfElements+1]=null,t},t.prototype.empty=function(){return-1===this.numberOfElements},t.prototype.size=function(){return this.numberOfElements+1},t.prototype.all=function(){return this.priorityQueue.slice(0,this.numberOfElements+1)},t.prototype.max=function(){return this.priorityQueue[0]},t.prototype.swim=function(t){for(;t>0&&this.less(A(t),t);)this.exchange(t,A(t)),t=A(t)},t.prototype.sink=function(t){for(;2*t<=this.numberOfElements;){var e=2*t;if(e<this.numberOfElements&&this.less(e,e+1)&&e++,!this.less(t,e))break;this.exchange(t,e),t=e}},t.prototype.getValueAt=function(t){return this.getElementValue(this.priorityQueue[t])},t.prototype.less=function(t,e){return this.getValueAt(t)<this.getValueAt(e)},t.prototype.exchange=function(t,e){var n=this.priorityQueue[t];this.priorityQueue[t]=this.priorityQueue[e],this.priorityQueue[e]=n},t}();function R(t,e,n,r,o,i){for(var a=i.shape,s=a[0],u=a[1],f=!0,d=Math.max(n-o,0),l=Math.min(n+o+1,s),c=d;c<l;++c){for(var h=Math.max(r-o,0),p=Math.min(r+o+1,u),m=h;m<p;++m)if(i.get(c,m,t)>e){f=!1;break}if(!f)break}return f}var H=[["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[m[e],m[n]]}),T=H.map(function(t){return t[1]}),B=H.map(function(t){return t[0]});function F(t,e,n,r){return{y:y(Math.round(t.y/e),0,n-1),x:y(Math.round(t.x/e),0,r-1)}}function D(t,e,n,r,o,i,a,s){void 0===s&&(s=2);for(var u=r.shape,f=u[0],d=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,F(e.position,i,f,d),a),c=b(e.position,l),p=0;p<s;p++){var m=F(c,i,f,d),g=v(m.y,m.x,n,o);c=b({x:m.x*i,y:m.y*i},{x:g.x,y:g.y})}var w=F(c,i,f,d),y=r.get(w.y,w.x,n);return{position:c,part:h[n],score:y}}function C(t,e,n,r,o,i){var a=e.shape[2],s=T.length,u=new Array(a),f=t.part,d=t.score,l=w(f,r,n);u[f.id]={score:d,part:h[f.id],position:l};for(var c=s-1;c>=0;--c){var p=T[c],m=B[c];u[p]&&!u[m]&&(u[m]=D(c,u[p],m,e,n,r,i))}for(c=0;c<s;++c){p=B[c],m=T[c];u[p]&&!u[m]&&(u[m]=D(c,u[p],m,e,n,r,o))}return u}function L(t,e,n,r){var o=n.x,i=n.y;return t.some(function(t){var n,a,s,u,f,d,l=t.keypoints[r].position;return n=i,a=o,s=l.y,u=l.x,(f=s-n)*f+(d=u-a)*d<=e})}function q(t,e,n){return n.reduce(function(n,r,o){var i=r.position,a=r.score;return L(t,e,i,o)||(n+=a),n},0)/n.length}var W=1;function z(t,e,n,r,o,i,a,s){void 0===a&&(a=.5),void 0===s&&(s=20);for(var u=[],f=function(t,e,n){for(var r=n.shape,o=r[0],i=r[1],a=r[2],s=new I(o*i*a,function(t){return t.score}),u=0;u<o;++u)for(var f=0;f<i;++f)for(var d=0;d<a;++d){var l=n.get(u,f,d);l<t||R(d,l,u,f,e,n)&&s.enqueue({score:l,part:{heatmapY:u,heatmapX:f,id:d}})}return s}(a,W,t),d=s*s;u.length<i&&!f.empty();){var l=f.dequeue();if(!L(u,d,w(l.part,o,e),l.part.id)){var c=C(l,t,e,o,n,r),h=q(u,d,c);u.push({keypoints:c,score:h})}}return u}var K,j=[-123.15,-115.9,-103.06],N=function(t){function n(){return null!==t&&t.apply(this,arguments)||this}return o(n,t),n.prototype.preprocessInput=function(t){return e.add(t,j)},n.prototype.nameOutputResults=function(t){var e=t[0],n=t[1],r=t[2],o=t[3],i=t[4],a=t[5];return{offsets:i,segmentation:t[6],partHeatmaps:a,longOffsets:o,heatmap:r,displacementFwd:n,displacementBwd:e,partOffsets:t[7]}},n}(l),V="https://storage.googleapis.com/tfjs-models/savedmodel/bodypix/resnet50/",Q="https://storage.googleapis.com/tfjs-models/savedmodel/bodypix/mobilenet/";function U(t){if("undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas||"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement)return function(t){if("offsetHeight"in t&&0!==t.offsetHeight&&"offsetWidth"in t&&0!==t.offsetWidth)return[t.offsetHeight,t.offsetWidth];if(null!=t.height&&null!=t.width)return[t.height,t.width];throw new Error("HTMLImageElement must have height and width attributes set.")}(t);if("undefined"!=typeof ImageData&&t instanceof ImageData)return[t.height,t.width];if("undefined"!=typeof HTMLVideoElement&&t instanceof HTMLVideoElement)return function(t){return t.hasAttribute("height")&&t.hasAttribute("width")?[t.height,t.width]:[t.videoHeight,t.videoWidth]}(t);if(t instanceof e.Tensor)return[t.shape[0],t.shape[1]];throw new Error("error: Unknown input type: "+t+".")}function X(t,e){return function(t,e){return(t-1)%e==0}(t,e)?t:Math.floor(t/e)*e+1}var Y={low:"low",medium:"medium",high:"high",full:"full"},G=((K={})[Y.low]=.25,K[Y.medium]=.5,K[Y.high]=.75,K[Y.full]=1,K),J=.1,Z=2;function $(t,n,r){var o=r[0],i=r[1],a=function(t){if("string"==typeof t){var n=G[t];return e.util.assert("number"==typeof n,function(){return"string value of inputResolution must be one of "+Object.values(Y).join(",")+" but was "+t+"."}),n}return e.util.assert("number"==typeof t&&t<=Z&&t>=J,function(){return"inputResolution must be a string or number between "+J+" and "+Z+", but was "+t}),t}(t);return[X(o*a,n),X(i*a,n)]}function tt(t,n,r,o,i){var a=n[0],s=n[1],u=r[0],f=r[1],d=o[0],l=d[0],c=d[1],h=o[1],p=h[0],m=h[1];return void 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 S=s.sent(),k=S[0],M=S[1],E=S[2],_=S[3],O=ot(O=z(k,M,E,_,this.baseModel.outputStride,n.maxDetections,n.scoreThreshold,n.nmsRadius),[o,a],d,h,!1),[4,P(m,g,x,O,o,a,this.baseModel.outputStride,d,h,n.scoreThreshold,n.refineSteps,n.minKeypointScore,n.maxDetections)];case 2:return A=s.sent(),c.dispose(),m.dispose(),g.dispose(),v.dispose(),w.dispose(),y.dispose(),b.dispose(),x.dispose(),[2,A]}})})},t.prototype.dispose=function(){this.baseModel.dispose()},t}();function mt(t){return a(this,void 0,void 0,function(){var r,o,i,a,u,f;return s(this,function(s){switch(s.label){case 0:if(r=t.outputStride,o=t.quantBytes,i=t.multiplier,null==e)throw new Error("Cannot find TensorFlow.js. If you are using a <script> tag, please also include @tensorflow/tfjs on the page before using this\n        model.");return a=function(t,e,n){var r={1:"100",.75:"075",.5:"050"},o="model-stride"+t+".json";return 4===n?Q+"float/"+r[e]+"/"+o:Q+"quant"+n+"/"+r[e]+"/"+o}(r,i,o),[4,n.loadGraphModel(t.modelUrl||a)];case 1:return u=s.sent(),f=new c(u,r),[2,new pt(f)]}})})}function gt(t){return a(this,void 0,void 0,function(){var r,o,i,a,u;return s(this,function(s){switch(s.label){case 0:if(r=t.outputStride,o=t.quantBytes,null==e)throw new Error("Cannot find TensorFlow.js. If you are using a <script> tag, please also include @tensorflow/tfjs on the page before using this\n        model.");return i=function(t,e){var n="model-stride"+t+".json";return 4===e?V+"float/"+n:V+"quant"+e+"/"+n}(r,o),[4,n.loadGraphModel(t.modelUrl||i)];case 1:return a=s.sent(),u=new N(a,r),[2,new pt(u)]}})})}var vt={};function wt(t,e,n,r){var o=t.width,i=t.height,a=e.width,s=e.height;if(o!==a||i!==s)throw new Error("error: dimensions must match. "+n+" has dimensions "+o+"x"+i+", "+r+" has dimensions "+a+"x"+s)}function yt(t){var e=t.getContext("2d");e.scale(-1,1),e.translate(-t.width,0)}function bt(t,e,n){t.globalCompositeOperation=n,t.drawImage(e,0,0)}function xt(t){return vt[t]||(vt[t]=function(){if("undefined"!=typeof document)return document.createElement("canvas");if("undefined"!=typeof OffscreenCanvas)return new OffscreenCanvas(0,0);throw new Error("Cannot create a canvas in this context")}()),vt[t]}function St(t,e,n){var r=t.height,o=t.width,i=n.getContext("2d");n.width=o,n.height=r,i.clearRect(0,0,o,r),i.save(),/^((?!chrome|android).)*safari/i.test(navigator.userAgent)?function(t,e,n){for(var r=t.getContext("2d"),o=0,i=1/(2*Math.PI*5*5),a=n<3?1:2,s=-n;s<=n;s+=a)for(var u=-n;u<=n;u+=a)o+=i*Math.exp(-(u*u+s*s)/50);for(s=-n;s<=n;s+=a)for(u=-n;u<=n;u+=a)r.globalAlpha=i*Math.exp(-(u*u+s*s)/50)/o*n,r.drawImage(e,u,s);r.globalAlpha=1}(n,t,e):(i.filter="blur("+e+"px)",i.drawImage(t,0,0,o,r)),i.restore()}function kt(t,e,n){var r=xt(n);return 0===e?function(t,e){var n=t.width,r=t.height;e.width=n,e.height=r,e.getContext("2d").drawImage(t,0,0,n,r)}(t,r):St(t,e,r),r}function Mt(t,e){var n=xt(e);return function(t,e){e.width=t.width,e.height=t.height,e.getContext("2d").putImageData(t,0,0)}(t,n),n}function Et(t,e,n,r,o){if(void 0===e&&(e={r:0,g:0,b:0,a:0}),void 0===n&&(n={r:0,g:0,b:0,a:255}),void 0===r&&(r=!1),void 0===o&&(o=[1]),Array.isArray(t)&&0===t.length)return null;var i,a=(i=Array.isArray(t)?t:[t])[0],s=a.width,u=a.height,f=new Uint8ClampedArray(s*u*4);function d(t,e,n,r,o,i){void 0===i&&(i={r:0,g:255,b:255,a:255});for(var a=-o;a<=o;a++)for(var s=-o;s<=o;s++)if(0!==a&&0!==s){var u=(e+a)*r+(n+s);t[4*u+0]=i.r,t[4*u+1]=i.g,t[4*u+2]=i.b,t[4*u+3]=i.a}}function l(t,e,n,r,o,i){void 0===o&&(o=[1]),void 0===i&&(i=1);for(var a=0,s=-i;s<=i;s++)for(var u=function(i){if(0!==s&&0!==i){var u=(e+s)*r+(n+i);o.some(function(e){return e===t[u]})||(a+=1)}},f=-i;f<=i;f++)u(f);return a>0}for(var c=0;c<u;c+=1)for(var h=function(t){var a=c*s+t;f[4*a+0]=n.r,f[4*a+1]=n.g,f[4*a+2]=n.b,f[4*a+3]=n.a;for(var h=function(n){if(o.some(function(t){return t===i[n].data[a]})){f[4*a]=e.r,f[4*a+1]=e.g,f[4*a+2]=e.b,f[4*a+3]=e.a;var h=l(i[n].data,c,t,s,o);r&&c-1>=0&&c+1<u&&t-1>=0&&t+1<s&&h&&d(f,c,t,s,1)}},p=0;p<i.length;p++)h(p)},p=0;p<s;p+=1)h(p);return new ImageData(f,s,u)}var _t=[[110,64,170],[143,61,178],[178,60,178],[210,62,167],[238,67,149],[255,78,125],[255,94,99],[255,115,75],[255,140,56],[239,167,47],[217,194,49],[194,219,64],[175,240,91],[135,245,87],[96,247,96],[64,243,115],[40,234,141],[28,219,169],[26,199,194],[33,176,213],[47,150,224],[65,125,224],[84,101,214],[99,81,195]];var Ot={blurred:"blurred",blurredMask:"blurred-mask",mask:"mask",lowresPartMask:"lowres-part-mask"};t.BodyPix=pt,t.load=function(t){return void 0===t&&(t=it),a(this,void 0,void 0,function(){return s(this,function(e){return"ResNet50"===(t=function(t){if(null==(t=t||it).architecture&&(t.architecture="MobileNetV1"),at.indexOf(t.architecture)<0)throw new Error("Invalid architecture "+t.architecture+". Should be one of "+at);if(null==t.outputStride&&(t.outputStride=16),st[t.architecture].indexOf(t.outputStride)<0)throw new Error("Invalid outputStride "+t.outputStride+". Should be one of "+st[t.architecture]+" for architecture "+t.architecture+".");if(null==t.multiplier&&(t.multiplier=1),ut[t.architecture].indexOf(t.multiplier)<0)throw new Error("Invalid multiplier "+t.multiplier+". Should be one of "+ut[t.architecture]+" for architecture "+t.architecture+".");if(null==t.quantBytes&&(t.quantBytes=4),ft.indexOf(t.quantBytes)<0)throw new Error("Invalid quantBytes "+t.quantBytes+". Should be one of "+ft+" for architecture "+t.architecture+".");return t}(t)).architecture?[2,gt(t)]:"MobileNetV1"===t.architecture?[2,mt(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=kt(e,o,Ot.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 f=function(t,e,n){var r=Mt(Et(t,{r:0,g:0,b:0,a:0},{r:0,g:0,b:0,a:255},!0,e),Ot.mask);return 0===n?r:kt(r,n,Ot.blurredMask)}(n,r,i);u.save(),a&&yt(t);var d=U(e),l=d[0],c=d[1];u.drawImage(e,0,0,c,l),bt(u,f,"destination-in"),bt(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=kt(e,r,Ot.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(Et(t,{r:0,g:0,b:0,a:255},{r:0,g:0,b:0,a:0}),Ot.mask);return 0===e?n:kt(n,e,Ot.blurredMask)}(n,o);s.save(),i&&yt(t);var f=U(e),d=f[0],l=f[1];s.drawImage(e,0,0,l,d),bt(s,u,"destination-in"),bt(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=U(e),s=a[0],u=a[1];t.width=u,t.height=s;var f=t.getContext("2d");if(f.save(),i&&yt(t),f.drawImage(e,0,0),f.globalAlpha=r,n){wt({width:u,height:s},n,"image","mask");var d=kt(Mt(n,Ot.mask),o,Ot.blurredMask);f.drawImage(d,0,0,u,s)}f.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=U(e),u=s[0];wt({width:s[1],height:u},n,"image","mask");var f=kt(Mt(n,Ot.mask),o,Ot.blurredMask);t.width=f.width,t.height=f.height;var d=t.getContext("2d");d.save(),i&&yt(t);var l=xt(Ot.lowresPartMask),c=l.getContext("2d");l.width=f.width*(1/a),l.height=f.height*(1/a),c.drawImage(f,0,0,f.width,f.height,0,0,l.width,l.height),d.imageSmoothingEnabled=!1,d.drawImage(l,0,0,l.width,l.height,0,0,t.width,t.height);for(var h=0;h<l.width;h++)d.beginPath(),d.strokeStyle="#ffffff",d.moveTo(a*h,0),d.lineTo(a*h,t.height),d.stroke();for(h=0;h<l.height;h++)d.beginPath(),d.strokeStyle="#ffffff",d.moveTo(0,a*h),d.lineTo(t.width,a*h),d.stroke();d.globalAlpha=1-r,d.drawImage(e,0,0,f.width,f.height),d.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 f=0;f<n.length;f++){var d=n[f].data[s];if(-1!==d){var l=e[d];if(!l)throw new Error("No color could be found for part id "+d);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=Et,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=rt,t.resizeAndPadTo=function(t,n,r){var o=n[0],i=n[1];void 0===r&&(r=!1);var a,s,u,f,d,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,f=0,d=Math.floor(m/2),l=o-(s+d)}else{s=o;var g=i-(a=Math.ceil(o*p));u=Math.floor(g/2),f=i-(a+u),d=0,l=0}return{resizedAndPadded:e.tidy(function(){var n;return n=r?e.image.resizeBilinear(e.reverse(t,1),[s,a]):e.image.resizeBilinear(t,[s,a]),e.pad3d(n,[[d,l],[u,f],[0,0]])}),paddedBy:[[d,l],[u,f]]}},t.scaleAndCropToInputTensorShape=tt,t.version="2.2.0",Object.defineProperty(t,"__esModule",{value:!0})});
//# sourceMappingURL=body-pix.min.js.map