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  1. <html>
  2. <head>
  3. <title>IDProject</title>
  4. </head>
  5. <body>
  6. <br>
  7. <center>
  8. Please. TYPE: <b>"i am testing this"</b> and then, you press "Finish".<br><br>
  9. <input style="width:50%" type="text" id="text"></input>
  10. <button onclick="getResult()">Finish</button>
  11. </center>
  12. <script>/*
  13. Copyright (c) 2010 Heather Arthur
  14.  
  15. Permission is hereby granted, free of charge, to any person obtaining
  16. a copy of this software and associated documentation files (the
  17. "Software"), to deal in the Software without restriction, including
  18. without limitation the rights to use, copy, modify, merge, publish,
  19. distribute, sublicense, and/or sell copies of the Software, and to
  20. permit persons to whom the Software is furnished to do so, subject to
  21. the following conditions:
  22.  
  23. The above copyright notice and this permission notice shall be
  24. included in all copies or substantial portions of the Software.
  25.  
  26. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  27. EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28. MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  29. NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  30. LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  31. OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  32. WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33.  
  34. */!function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);throw new Error("Cannot find module '"+g+"'")}var j=c[g]={exports:{}};b[g][0].call(j.exports,function(a){var c=b[g][1][a];return e(c?c:a)},j,j.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a){brain=a("./lib/brain")},{"./lib/brain":2}],2:[function(a,b,c){c.NeuralNetwork=a("./neuralnetwork").NeuralNetwork,c.crossValidate=a("./cross-validate")},{"./cross-validate":3,"./neuralnetwork":5}],3:[function(a,b){function c(a,b,c,e,f){var g=new a(b),h=Date.now(),i=g.train(e,c),j=Date.now(),k=g.test(f),l=Date.now(),m=d(k).extend({trainTime:j-h,testTime:l-j,iterations:i.iterations,trainError:i.error,learningRate:g.learningRate,hidden:g.hiddenSizes,network:g.toJSON()});return m}var d=a("underscore")._;b.exports=function(a,b,e,f,g){g=g||4;var h=b.length/g;b=d(b).sortBy(function(){return Math.random()});var i={error:0,trainTime:0,testTime:0,iterations:0,trainError:0},j={truePos:0,trueNeg:0,falsePos:0,falseNeg:0,total:0},k=[],l=d.range(g).map(function(g){var l=d(b).clone(),m=l.splice(g*h,h),n=l,o=c(a,e,f,n,m);return d(i).each(function(a,b){i[b]=a+o[b]}),d(j).each(function(a,b){j[b]=a+o[b]}),k.push(o.misclasses),o});return d(i).each(function(a,b){i[b]=a/g}),j.precision=j.truePos/(j.truePos+j.falsePos),j.recall=j.truePos/(j.truePos+j.falseNeg),j.accuracy=(j.trueNeg+j.truePos)/j.total,j.testSize=h,j.trainSize=b.length-h,{avgs:i,stats:j,sets:l,misclasses:d(k).flatten()}}},{underscore:20}],4:[function(a,b){function c(a){var b=h(a).reduce(function(a,b){return h(a).extend(b)},{});return d(b)}function d(a){var b={},c=0;for(var d in a)b[d]=c++;return b}function e(a,b){var c=[];for(var d in a)c[a[d]]=b[d]||0;return c}function f(a,b){var c={};for(var d in a)c[d]=b[a[d]];return c}function g(a){for(var b={},c=0,d=a.length;d-->0;)b[a[d]]=c++;return b}var h=a("underscore");b.exports={buildLookup:c,lookupFromHash:d,toArray:e,toHash:f,lookupFromArray:g}},{underscore:20}],5:[function(a,b,c){function d(){return.4*Math.random()-.2}function e(a){for(var b=new Array(a),c=0;a>c;c++)b[c]=0;return b}function f(a){for(var b=new Array(a),c=0;a>c;c++)b[c]=d();return b}function g(a){for(var b=0,c=0;c<a.length;c++)b+=Math.pow(a[c],2);return b/a.length}function h(a){if(k.call(this,{objectMode:!0}),a=a||{},!a.neuralNetwork)throw new Error("no neural network specified");return this.neuralNetwork=a.neuralNetwork,this.dataFormatDetermined=!1,this.inputKeys=[],this.outputKeys=[],this.i=0,this.iterations=a.iterations||2e4,this.errorThresh=a.errorThresh||.005,this.log=a.log||!1,this.logPeriod=a.logPeriod||10,this.callback=a.callback,this.callbackPeriod=a.callbackPeriod||10,this.floodCallback=a.floodCallback,this.doneTrainingCallback=a.doneTrainingCallback,this.size=0,this.count=0,this.sum=0,this.on("finish",this.finishStreamIteration),this}var i=a("underscore"),j=a("./lookup"),k=a("stream").Writable,l=a("inherits"),m=function(a){a=a||{},this.learningRate=a.learningRate||.3,this.momentum=a.momentum||.1,this.hiddenSizes=a.hiddenLayers,this.binaryThresh=a.binaryThresh||.5};m.prototype={initialize:function(a){this.sizes=a,this.outputLayer=this.sizes.length-1,this.biases=[],this.weights=[],this.outputs=[],this.deltas=[],this.changes=[],this.errors=[];for(var b=0;b<=this.outputLayer;b++){var c=this.sizes[b];if(this.deltas[b]=e(c),this.errors[b]=e(c),this.outputs[b]=e(c),b>0){this.biases[b]=f(c),this.weights[b]=new Array(c),this.changes[b]=new Array(c);for(var d=0;c>d;d++){var g=this.sizes[b-1];this.weights[b][d]=f(g),this.changes[b][d]=e(g)}}}},run:function(a){this.inputLookup&&(a=j.toArray(this.inputLookup,a));var b=this.runInput(a);return this.outputLookup&&(b=j.toHash(this.outputLookup,b)),b},runInput:function(a){this.outputs[0]=a;for(var b=1;b<=this.outputLayer;b++){for(var c=0;c<this.sizes[b];c++){for(var d=this.weights[b][c],e=this.biases[b][c],f=0;f<d.length;f++)e+=d[f]*a[f];this.outputs[b][c]=1/(1+Math.exp(-e))}var g=a=this.outputs[b]}return g},train:function(a,b){a=this.formatData(a),b=b||{};var c=b.iterations||2e4,d=b.errorThresh||.005,e=b.log||!1,f=b.logPeriod||10,g=b.callback,h=b.callbackPeriod||10,j=a[0].input.length,k=a[0].output.length,l=this.hiddenSizes;l||(l=[Math.max(3,Math.floor(j/2))]);var m=i([j,l,k]).flatten();this.initialize(m);for(var n=1,o=0;c>o&&n>d;o++){for(var p=0,q=0;q<a.length;q++){var r=this.trainPattern(a[q].input,a[q].output);p+=r}n=p/a.length,e&&o%f==0&&console.log("iterations:",o,"training error:",n),g&&o%h==0&&g({error:n,iterations:o})}return{error:n,iterations:o}},trainPattern:function(a,b){this.runInput(a),this.calculateDeltas(b),this.adjustWeights();var c=g(this.errors[this.outputLayer]);return c},calculateDeltas:function(a){for(var b=this.outputLayer;b>=0;b--)for(var c=0;c<this.sizes[b];c++){var d=this.outputs[b][c],e=0;if(b==this.outputLayer)e=a[c]-d;else for(var f=this.deltas[b+1],g=0;g<f.length;g++)e+=f[g]*this.weights[b+1][g][c];this.errors[b][c]=e,this.deltas[b][c]=e*d*(1-d)}},adjustWeights:function(){for(var a=1;a<=this.outputLayer;a++)for(var b=this.outputs[a-1],c=0;c<this.sizes[a];c++){for(var d=this.deltas[a][c],e=0;e<b.length;e++){var f=this.changes[a][c][e];f=this.learningRate*d*b[e]+this.momentum*f,this.changes[a][c][e]=f,this.weights[a][c][e]+=f}this.biases[a][c]+=this.learningRate*d}},formatData:function(a){if(!i.isArray(a)){var b=[];b.push(a),a=b}var c=a[0].input;return i(c).isArray()||c instanceof Float64Array||(this.inputLookup||(this.inputLookup=j.buildLookup(i(a).pluck("input"))),a=a.map(function(a){var b=j.toArray(this.inputLookup,a.input);return i(i(a).clone()).extend({input:b})},this)),i(a[0].output).isArray()||(this.outputLookup||(this.outputLookup=j.buildLookup(i(a).pluck("output"))),a=a.map(function(a){var b=j.toArray(this.outputLookup,a.output);return i(i(a).clone()).extend({output:b})},this)),a},test:function(a){a=this.formatData(a);for(var b=1==a[0].output.length,c=0,d=0,e=0,f=0,h=[],j=0,k=0;k<a.length;k++){var l,m,n=this.runInput(a[k].input),o=a[k].output;if(b?(l=n[0]>this.binaryThresh?1:0,m=o[0]):(l=n.indexOf(i(n).max()),m=o.indexOf(i(o).max())),l!=m){var p=a[k];i(p).extend({actual:l,expected:m}),h.push(p)}b&&(0==l&&0==m?f++:1==l&&1==m?e++:0==l&&1==m?d++:1==l&&0==m&&c++);var q=n.map(function(a,b){return o[b]-a});j+=g(q)}var r=j/a.length,s={error:r,misclasses:h};return b&&i(s).extend({trueNeg:f,truePos:e,falseNeg:d,falsePos:c,total:a.length,precision:e/(e+c),recall:e/(e+d),accuracy:(f+e)/a.length}),s},toJSON:function(){for(var a=[],b=0;b<=this.outputLayer;b++){a[b]={};var c;c=0==b&&this.inputLookup?i(this.inputLookup).keys():b==this.outputLayer&&this.outputLookup?i(this.outputLookup).keys():i.range(0,this.sizes[b]);for(var d=0;d<c.length;d++){var e=c[d];if(a[b][e]={},b>0){a[b][e].bias=this.biases[b][d],a[b][e].weights={};for(var f in a[b-1]){var g=f;1==b&&this.inputLookup&&(g=this.inputLookup[f]),a[b][e].weights[f]=this.weights[b][d][g]}}}}return{layers:a,outputLookup:!!this.outputLookup,inputLookup:!!this.inputLookup}},fromJSON:function(a){var b=a.layers.length;this.outputLayer=b-1,this.sizes=new Array(b),this.weights=new Array(b),this.biases=new Array(b),this.outputs=new Array(b);for(var c=0;c<=this.outputLayer;c++){var d=a.layers[c];0!=c||d[0]&&!a.inputLookup?c!=this.outputLayer||d[0]&&!a.outputLookup||(this.outputLookup=j.lookupFromHash(d)):this.inputLookup=j.lookupFromHash(d);var e=i(d).keys();this.sizes[c]=e.length,this.weights[c]=[],this.biases[c]=[],this.outputs[c]=[];for(var f in e){var g=e[f];this.biases[c][f]=d[g].bias,this.weights[c][f]=i(d[g].weights).toArray()}}return this},toFunction:function(){var a=this.toJSON();return new Function("input"," var net = "+JSON.stringify(a)+";\n\n for (var i = 1; i < net.layers.length; i++) {\n var layer = net.layers[i];\n var output = {};\n \n for (var id in layer) {\n var node = layer[id];\n var sum = node.bias;\n \n for (var iid in node.weights) {\n sum += node.weights[iid] * input[iid];\n }\n output[id] = (1 / (1 + Math.exp(-sum)));\n }\n input = output;\n }\n return output;")},createTrainStream:function(a){return a=a||{},a.neuralNetwork=this,this.trainStream=new h(a),this.trainStream}},c.NeuralNetwork=m,l(h,k),h.prototype._write=function(a,b,c){if(!a)return this.emit("finish"),c();if(!this.dataFormatDetermined)return this.size++,this.inputKeys=i.union(this.inputKeys,i.keys(a.input)),this.outputKeys=i.union(this.outputKeys,i.keys(a.output)),this.firstDatum=this.firstDatum||a,c();this.count++;var d=this.neuralNetwork.formatData(a);this.trainDatum(d[0]),c()},h.prototype.trainDatum=function(a){var b=this.neuralNetwork.trainPattern(a.input,a.output);this.sum+=b},h.prototype.finishStreamIteration=function(){if(this.dataFormatDetermined&&this.size!==this.count&&console.log("This iteration's data length was different from the first."),!this.dataFormatDetermined){this.neuralNetwork.inputLookup=j.lookupFromArray(this.inputKeys),this.neuralNetwork.outputLookup=j.lookupFromArray(this.outputKeys);var a=this.neuralNetwork.formatData(this.firstDatum),b=a[0].input.length,c=a[0].output.length,d=this.hiddenSizes;d||(d=[Math.max(3,Math.floor(b/2))]);var e=i([b,d,c]).flatten();return this.dataFormatDetermined=!0,this.neuralNetwork.initialize(e),void("function"==typeof this.floodCallback&&this.floodCallback())}var f=this.sum/this.size;if(this.log&&this.i%this.logPeriod==0&&console.log("iterations:",this.i,"training error:",f),this.callback&&this.i%this.callbackPeriod==0&&this.callback({error:f,iterations:this.i}),this.sum=0,this.count=0,this.i++,this.i<this.iterations&&f>this.errorThresh){if("function"==typeof this.floodCallback)return this.floodCallback()}else if("function"==typeof this.doneTrainingCallback)return this.doneTrainingCallback({error:f,iterations:this.i})}},{"./lookup":4,inherits:19,stream:12,underscore:20}],6:[function(a,b,c){function d(a,b,c){if(!(this instanceof d))return new d(a,b,c);var e=typeof a;if("base64"===b&&"string"===e)for(a=C(a);a.length%4!==0;)a+="=";var 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  36.  
  37.  
  38. <script>
  39. var timeArray = [];
  40. var inptArray = [];
  41. var i = 0;
  42. var target = "";
  43. var working = true;
  44. var count = false;
  45. var oldLength = 0;
  46. document.getElementById("text").select();
  47.  
  48. var neural = new brain.NeuralNetwork();
  49. neural.train([
  50.  
  51. //Meu padrão de digitação
  52. {input:{velocidadeDeDigitacaoEmSegundos: 0.208}, output: {souEu: 1}},
  53. {input:{velocidadeDeDigitacaoEmSegundos: 0.222}, output: {souEu: 1}},
  54. {input:{velocidadeDeDigitacaoEmSegundos: 0.228}, output: {souEu: 1}},
  55. {input:{velocidadeDeDigitacaoEmSegundos: 0.197}, output: {souEu: 1}},
  56. {input:{velocidadeDeDigitacaoEmSegundos: 0.093}, output: {souEu: 1}},
  57. {input:{velocidadeDeDigitacaoEmSegundos: 0.120}, output: {souEu: 1}},
  58. {input:{velocidadeDeDigitacaoEmSegundos: 0.09}, output: {souEu: 1}},
  59. {input:{velocidadeDeDigitacaoEmSegundos: 0.091}, output: {souEu: 1}},
  60.  
  61. //Pessoas que digitao relativamente devagar
  62. {input:{velocidadeDeDigitacaoEmSegundos: 0.378}, output: {naoSouEu: 1}},
  63. {input:{velocidadeDeDigitacaoEmSegundos: 0.300}, output: {naoSouEu: 1}},
  64. {input:{velocidadeDeDigitacaoEmSegundos: 0.280}, output: {naoSouEu: 1}},
  65. {input:{velocidadeDeDigitacaoEmSegundos: 0.320}, output: {naoSouEu: 1}},
  66. //Um amigo meu que tem quase o mesmo padrão de digitação que o eu
  67. {input:{velocidadeDeDigitacaoEmSegundos: 0.197}, output: {naoSouEu: 1}},
  68. {input:{velocidadeDeDigitacaoEmSegundos: 0.130}, output: {naoSouEu: 1}},
  69. {input:{velocidadeDeDigitacaoEmSegundos: 0.230}, output: {naoSouEu: 1}},
  70. {input:{velocidadeDeDigitacaoEmSegundos: 0.263}, output: {naoSouEu: 1}}
  71.  
  72. ]);
  73.  
  74. update();
  75.  
  76. function update(){
  77. if(working == true){
  78. i += 10;
  79. target = document.getElementById("text").value;
  80. if(target.length > oldLength){
  81. inptArray.push(target.slice(-1));
  82. count = true;
  83. }else if(target.length < oldLength){
  84. inptArray.push("backspace");
  85. count = true;
  86. }
  87. if(count == true){
  88. timeArray.push(i);
  89. i = 0;
  90. count = false;
  91. }
  92. oldLength = target.length;
  93. }
  94. setTimeout(function(){update();},10);
  95. }
  96.  
  97. function getResult(){
  98. var charAdd = inptArray.length;
  99. var timeAdd = 0;
  100. working = false;
  101.  
  102. var i = 0;
  103. while(i < timeArray.length){
  104. if(i == 0){
  105. timeArray[i] = i;
  106. }
  107. timeAdd += timeArray[i];
  108. document.write("Character: " + inptArray[i] + " | Time: " + timeArray[i] / 1000 + "s<br>");
  109. i += 1;
  110. }
  111.  
  112. var result = neural.run({velocidadeDeDigitacaoEmSegundos: (timeAdd / 1000 / charAdd).toFixed(3)});
  113.  
  114. if(result.souEu >= 0.75){
  115. document.write("<br><h1>Sou eu</h1>");
  116. }else{
  117. document.write("<br><h1>Não sou eu</h1>");
  118. }
  119.  
  120. console.log(result.souEu);
  121.  
  122. document.write("<h1>Results</h1>");
  123.  
  124. document.write("<br><h2>Average results</h2>");
  125. document.write(timeAdd / charAdd + " milliseconds/char<br>");
  126. document.write("<b>OR</b><br>");
  127. document.write(timeAdd / 1000 / charAdd + " seconds/char<br>");
  128.  
  129.  
  130.  
  131. }
  132. </script>
  133. </body>
  134. </html>
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