/**
    * @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.posenet={},t.tf,t.tf)}(this,function(t,e,r){"use strict";var n=function(t,e){return(n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var r in e)e.hasOwnProperty(r)&&(t[r]=e[r])})(t,e)};function i(t,e){function r(){this.constructor=t}n(t,e),t.prototype=null===e?Object.create(e):(r.prototype=e.prototype,new r)}var o=function(){return(o=Object.assign||function(t){for(var e,r=1,n=arguments.length;r<n;r++)for(var i in e=arguments[r])Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i]);return t}).apply(this,arguments)};function u(t,e,r,n){return new(r||(r=Promise))(function(i,o){function u(t){try{a(n.next(t))}catch(t){o(t)}}function 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u=o.shape,s=u[0],a=u[1],l=!0,f=Math.max(r-i,0),c=Math.min(r+i+1,s),p=f;p<c;++p){for(var h=Math.max(n-i,0),d=Math.min(n+i+1,a),m=h;m<d;++m)if(o.get(p,m,t)>e){l=!1;break}if(!l)break}return l}var h=["nose","leftEye","rightEye","leftEar","rightEar","leftShoulder","rightShoulder","leftElbow","rightElbow","leftWrist","rightWrist","leftHip","rightHip","leftKnee","rightKnee","leftAnkle","rightAnkle"],d=h.length,m=h.reduce(function(t,e,r){return 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t.some(function(t){var r,u,s,a,l,f,c=t.keypoints[n].position;return r=o,u=i,s=c.y,a=c.x,(l=s-r)*l+(f=a-u)*f<=e})}function j(t,e,r){return r.reduce(function(r,n,i){var o=n.position,u=n.score;return I(t,e,o,i)||(r+=u),r},0)/r.length}var R=1;function N(t,e,r,n,i,o,u,s){void 0===u&&(u=.5),void 0===s&&(s=20);for(var a=[],l=function(t,e,r){for(var n=r.shape,i=n[0],o=n[1],u=n[2],s=new c(i*o*u,function(t){return t.score}),a=0;a<i;++a)for(var l=0;l<o;++l)for(var f=0;f<u;++f){var h=r.get(a,l,f);h<t||p(f,h,a,l,e,r)&&s.enqueue({score:h,part:{heatmapY:a,heatmapX:l,id:f}})}return s}(u,R,t),f=s*s;a.length<o&&!l.empty();){var h=l.dequeue();if(!I(a,f,b(h.part,i,e),h.part.id)){var d=O(h,t,e,i,r,n),m=j(a,f,d);a.push({keypoints:d,score:m})}}return a}function P(t){var r=t.shape,n=r[0],i=r[1],o=r[2];return e.tidy(function(){var r,u,s=e.reshape(t,[n*i,o]),a=e.argMax(s,0),l=e.expandDims(e.div(a,e.scalar(i,"int32")),1),f=e.expandDims((r=a,u=i,e.tidy(function(){var t=e.div(r,e.scalar(u,"int32"));return 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n+=t,{position:{y:c.get(e,0),x:c.get(e,1)},part:h[e],score:t}}),i.dispose(),f.dispose(),[2,{keypoints:d,score:n/d.length}]}})})}var H="https://storage.googleapis.com/tfjs-models/savedmodel/posenet/mobilenet/",T="https://storage.googleapis.com/tfjs-models/savedmodel/posenet/resnet50/";var V=[-123.15,-115.9,-103.06],Y=function(t){function r(){return null!==t&&t.apply(this,arguments)||this}return i(r,t),r.prototype.preprocessInput=function(t){return e.add(t,V)},r.prototype.nameOutputResults=function(t){var e=t[0],r=t[1];return{offsets:t[2],heatmap:t[3],displacementFwd:e,displacementBwd:r}},r}(a);var F=Number.NEGATIVE_INFINITY,K=Number.POSITIVE_INFINITY;function Q(t){return t.reduce(function(t,e){var r=t.maxX,n=t.maxY,i=t.minX,o=t.minY,u=e.position,s=u.x,a=u.y;return{maxX:Math.max(r,s),maxY:Math.max(n,a),minX:Math.min(i,s),minY:Math.min(o,a)}},{maxX:F,maxY:F,minX:K,minY:K})}function X(t,e,r,n,i){return void 0===n&&(n=0),void 0===i&&(i=0),{score:t.score,keypoints:t.keypoints.map(function(t){var o=t.score,u=t.part,s=t.position;return{score:o,part:u,position:{x:s.x*r+i,y:s.y*e+n}}})}}function z(t,e){return G(t,e)?t:Math.floor(t/e)*e+1}function D(t){e.util.assert("number"==typeof t||"object"==typeof t,function(){return"Invalid inputResolution "+t+". 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If you are using a <script> tag, please also include @tensorflow/tfjs on the page before using this\n        model.");return o=function(t,e){var r="model-stride"+t+".json";return 4===e?T+"float/"+r:T+"quant"+e+"/"+r}(n,i),[4,r.loadGraphModel(t.modelUrl||o)];case 1:return u=s.sent(),a=new Y(u,n),l=W(t.inputResolution,a.outputStride),[2,new ot(a,l)]}})})}t.decodeMultiplePoses=N,t.decodeSinglePose=A,t.MobileNet=l,t.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"],t.partIds=m,t.partNames=h,t.poseChain=y,t.load=function(t){return void 0===t&&(t=Z),u(this,void 0,void 0,function(){return s(this,function(e){return"ResNet50"===(t=function(t){if(null==(t=t||Z).architecture&&(t.architecture="MobileNetV1"),$.indexOf(t.architecture)<0)throw new Error("Invalid architecture "+t.architecture+". Should be one of "+$);if(null==t.inputResolution&&(t.inputResolution=257),D(t.inputResolution),null==t.outputStride&&(t.outputStride=16),tt[t.architecture].indexOf(t.outputStride)<0)throw new Error("Invalid outputStride "+t.outputStride+". Should be one of "+tt[t.architecture]+" for architecture "+t.architecture+".");if(null==t.multiplier&&(t.multiplier=1),et[t.architecture].indexOf(t.multiplier)<0)throw new Error("Invalid multiplier "+t.multiplier+". Should be one of "+et[t.architecture]+" for architecture "+t.architecture+".");if(null==t.quantBytes&&(t.quantBytes=4),rt.indexOf(t.quantBytes)<0)throw new Error("Invalid quantBytes "+t.quantBytes+". Should be one of "+rt+" for architecture "+t.architecture+".");if("MobileNetV1"===t.architecture&&32===t.outputStride&&1!==t.multiplier)throw new Error("When using an output stride of 32, you must select 1 as the multiplier.");return t}(t)).architecture?[2,st(t)]:"MobileNetV1"===t.architecture?[2,ut(t)]:[2,null]})})},t.PoseNet=ot,t.getAdjacentKeyPoints=function(t,e){return v.reduce(function(r,n){var i=n[0],o=n[1];return function(t,e,r){return t<r||e<r}(t[i].score,t[o].score,e)?r:(r.push([t[i],t[o]]),r)},[])},t.getBoundingBox=Q,t.getBoundingBoxPoints=function(t){var e=Q(t),r=e.minX,n=e.minY,i=e.maxX,o=e.maxY;return[{x:r,y:n},{x:i,y:n},{x:i,y:o},{x:r,y:o}]},t.scaleAndFlipPoses=L,t.scalePose=X,t.version="2.2.2",Object.defineProperty(t,"__esModule",{value:!0})});
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