commit 523641010e23323e5b37f4d25f86c097663bed8c Author: Joshua Shoemaker Date: Tue Jan 12 21:52:52 2021 -0600 init commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..76add87 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +node_modules +dist \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..16f4cbb --- /dev/null +++ b/README.md @@ -0,0 +1 @@ +# 🐱Cat 🔫Cannon \ No newline at end of file diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..592facd --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1237 @@ +{ + "name": "catcannon", + "version": "1.0.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "@tensorflow-models/coco-ssd": { + "version": "2.2.1", + "resolved": "https://registry.npmjs.org/@tensorflow-models/coco-ssd/-/coco-ssd-2.2.1.tgz", + "integrity": "sha512-jhtG9O+9JRoliRwVwCbDURfrs+ibpqh5ClROZZiFRQz6P0d78b7tfyffCRFCwMTMuIEnSLVZO3I3XlwpWW0NFw==" + }, + 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"description": "", + "main": "index.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1" + }, + "author": "", + "license": "ISC", + "dependencies": { + "@tensorflow-models/coco-ssd": "^2.2.1", + "@tensorflow/tfjs": "^2.8.2" + }, + "devDependencies": { + "ts-loader": "^8.0.13", + "typescript": "^4.1.3", + "webpack": "^5.11.1" + } +} diff --git a/src/Controllers/PredictedObjectCollectionController.ts b/src/Controllers/PredictedObjectCollectionController.ts new file mode 100644 index 0000000..ab45ccb --- /dev/null +++ b/src/Controllers/PredictedObjectCollectionController.ts @@ -0,0 +1,32 @@ +import PredictedObject from "../Models/PredictedObject" +import PredictedObjectCollection from "../Models/PredictedObjectCollection" +import PredictedObjectView from "../Views/PredictedObjectView" + +class PredictedObjectCollectionController { + private model: PredictedObjectCollection + + constructor () { + this.model = new PredictedObjectCollection() + this.renderView() + } + + set predictedObjects (objects: PredictedObject[]) { + this.model.objects = objects + this.renderView() + } + + public renderView = () => { + const existingPredictedObjectViews = document.querySelectorAll('.PredictedObject') + existingPredictedObjectViews.forEach(v => { + v.outerHTML = '' + }) + + const body = document.querySelector('body')! + this.model.objects.forEach((object: PredictedObject) => { + const predictedObjectView = new PredictedObjectView(object) + body.appendChild(predictedObjectView.element) + }) + } +} + +export default PredictedObjectCollectionController diff --git a/src/Controllers/VideoController.ts b/src/Controllers/VideoController.ts new file mode 100644 index 0000000..3a975aa --- /dev/null +++ b/src/Controllers/VideoController.ts @@ -0,0 +1,48 @@ +import Video from "../Models/Video" +import VideoView from '../Views/VideoView' + +class VideoController { + private defaultWidth: number = 640 + private defaultHeight: number = 480 + private userMediaConstraints = { video: true } + public model: Video + private view: VideoView + + constructor (props: { width?: number, height?: number } = {}) { + this.model = new Video({ + width: props.width || this.defaultWidth, + height: props.height || this.defaultHeight + }) + + this.view = new VideoView(this.model) + this.renderView() + this.enableCamera() + } + + get imageData () { + if (!this.view.element.srcObject) return null + + const canvas: HTMLCanvasElement = document.createElement('canvas') + canvas.width = this.model.width + canvas.height = this.model.height + const context = canvas.getContext('2d')! + context.drawImage(this.view.element, 0, 0, this.model.width, this.model.height) + + return context.getImageData(0, 0, this.model.width, this.model.height) + } + + private enableCamera = async () => { + const stream = await navigator.mediaDevices.getUserMedia(this.userMediaConstraints) + this.view.srcObject = stream + } + + private renderView () { + const existingVideoView = document.querySelector('#videoView') + if (existingVideoView) existingVideoView.outerHTML = '' + + const body = document.querySelector('body')! + body.appendChild(this.view.element) + } +} + +export default VideoController diff --git a/src/Interfaces/IPredictedObject.ts b/src/Interfaces/IPredictedObject.ts new file mode 100644 index 0000000..e1298fb --- /dev/null +++ b/src/Interfaces/IPredictedObject.ts @@ -0,0 +1,9 @@ +interface IPredictedObject { + xOrigin: number, + yOrigin: number, + width: number, + height: number, + class: string +} + +export default IPredictedObject diff --git a/src/Interfaces/IVideo.ts b/src/Interfaces/IVideo.ts new file mode 100644 index 0000000..c5b0ea5 --- /dev/null +++ b/src/Interfaces/IVideo.ts @@ -0,0 +1,7 @@ +interface IVideo { + height: number, + width: number, + autoplay?: boolean +} + +export default IVideo diff --git a/src/Models/ObjectDetector.ts b/src/Models/ObjectDetector.ts new file mode 100644 index 0000000..54eff60 --- /dev/null +++ b/src/Models/ObjectDetector.ts @@ -0,0 +1,43 @@ +import * as tf from '@tensorflow/tfjs' +import * as cocossd from '@tensorflow-models/coco-ssd' + +let instance: ObjectDetector | null = null + +class ObjectDetector { + private mlModel: cocossd.ObjectDetection | null = null + private filterPredicates: Function[] = [] + + constructor (props?: { filterPredicates?: Function[] }) { + if (!instance) instance = this + + if (props?.filterPredicates) this.filterPredicates = props.filterPredicates + tf.getBackend() + + return instance + } + + private doesPredictionPassFilterPredicates (prediction: cocossd.DetectedObject): boolean { + let failedPredictions = [] + this.filterPredicates.forEach(filter => { + if (!filter(prediction)) failedPredictions.push(filter) + }) + + if (failedPredictions.length > 0) return false + else return true + } + + public predictImageStream = async (videoImage: ImageData) => { + const mlModel = await this.loadMlModel() + const predictions = await mlModel.detect(videoImage) + const filteredPredictions = predictions.filter(p => this.doesPredictionPassFilterPredicates(p)) + + return filteredPredictions + } + + public async loadMlModel (): Promise { + if (!this.mlModel) this.mlModel = await cocossd.load() + return this.mlModel + } +} + +export default ObjectDetector \ No newline at end of file diff --git a/src/Models/PredictedObject.ts b/src/Models/PredictedObject.ts new file mode 100644 index 0000000..6d0adef --- /dev/null +++ b/src/Models/PredictedObject.ts @@ -0,0 +1,19 @@ +import IPredictedObject from "../Interfaces/IPredictedObject" + +class PredictedObject { + public xOrigin: number + public yOrigin: number + public width: number + public height: number + public class: string + + constructor (props: IPredictedObject) { + this.xOrigin = props.xOrigin + this.yOrigin = props.yOrigin + this.width = props.width + this.height = props.height + this.class = props.class + } +} + +export default PredictedObject diff --git a/src/Models/PredictedObjectCollection.ts b/src/Models/PredictedObjectCollection.ts new file mode 100644 index 0000000..98c7a07 --- /dev/null +++ b/src/Models/PredictedObjectCollection.ts @@ -0,0 +1,26 @@ +import { DetectedObject } from '@tensorflow-models/coco-ssd' +import PredictedObject from "./PredictedObject" + +let instance: PredictedObjectCollection | null = null + +class PredictedObjectCollection { + public objects: PredictedObject[] = [] + + constructor () { + if (!instance) instance = this + return instance + } + + public addDetectedObjectObject(object: DetectedObject) { + const newPredictedObject = new PredictedObject({ + xOrigin: object.bbox[0], + yOrigin: object.bbox[1], + width: object.bbox[2], + height: object.bbox[3], + class: object.class + }) + this.objects.push(newPredictedObject) + } +} + +export default PredictedObjectCollection diff --git a/src/Models/Video.ts b/src/Models/Video.ts new file mode 100644 index 0000000..62d8a7d --- /dev/null +++ b/src/Models/Video.ts @@ -0,0 +1,35 @@ +import IVideo from '../Interfaces/IVideo' + +let instance: Video | null = null + +class Video { + public height: number = 0 + public width: number = 0 + public autoplay: boolean = true + + constructor (props?: IVideo) { + if (!instance) instance = this + + if (props) { + this.height = props.height + this.width = props.width + if (typeof props.autoplay === 'boolean') this.autoplay = props.autoplay + } + + return instance + } + + get centerCoordinates (): { x: number, y: number } { + return { x: this.width / 2, y: this.height / 2 } + } + + get props () { + return { + height: this.height, + width: this.width, + autoplay: this.autoplay + } + } +} + +export default Video diff --git a/src/Views/PredictedObjectView.ts b/src/Views/PredictedObjectView.ts new file mode 100644 index 0000000..917224d --- /dev/null +++ b/src/Views/PredictedObjectView.ts @@ -0,0 +1,45 @@ +import IPredictedObject from "../Interfaces/IPredictedObject" + +class PredictedObjectView { + + private xOrigin: number + private yOrigin: number + private width: number + private height: number + private class: string + public element: HTMLElement + + constructor (props: IPredictedObject) { + this.xOrigin = props.xOrigin + this.yOrigin = props.yOrigin + this.width = props.width + this.height = props.height + this.class = props.class + this.element = this.createElement() + } + + createElement (): HTMLElement { + let predictedObjectElement: HTMLElement = document.createElement('div') + predictedObjectElement.style.position = 'absolute' + predictedObjectElement.style.left = `${this.xOrigin}px` + predictedObjectElement.style.top = `${this.yOrigin}px` + predictedObjectElement.style.width = `${this.width}px` + predictedObjectElement.style.height = `${this.height}px` + predictedObjectElement.setAttribute('class', `PredictedObject ${this.class}`) + + const predictedObjectLabel = this.createLabel() + + predictedObjectElement.appendChild(predictedObjectLabel) + + return predictedObjectElement + } + + createLabel (): HTMLLabelElement { + const labelElement = document.createElement('label') + labelElement.setAttribute('class', 'predictedObjectLabel') + labelElement.innerText = this.class + return labelElement + } +} + +export default PredictedObjectView diff --git a/src/Views/VideoView.ts b/src/Views/VideoView.ts new file mode 100644 index 0000000..cd44c94 --- /dev/null +++ b/src/Views/VideoView.ts @@ -0,0 +1,28 @@ +import IVideo from '../Interfaces/IVideo' + +class VideoView { + public width: number + public height: number + public autoplay: boolean + public element: HTMLVideoElement + + constructor (props: IVideo) { + this.width = props.width + this.height = props.height + this.autoplay = props.autoplay! + this.element = this.createElement() + } + + createElement (): HTMLVideoElement { + let videoElement: HTMLVideoElement = document.createElement('video') + videoElement.setAttribute('id', 'VideoView') + videoElement.setAttribute('width', this.width.toString()) + videoElement.setAttribute('height', this.height.toString()) + videoElement.autoplay = this.autoplay + return videoElement + } + + set srcObject (media: MediaStream | null) { this.element.srcObject = media } +} + +export default VideoView \ No newline at end of file diff --git a/src/app.ts b/src/app.ts new file mode 100644 index 0000000..726df9e --- /dev/null +++ b/src/app.ts @@ -0,0 +1,52 @@ +import { DetectedObject } from "@tensorflow-models/coco-ssd" +import PredictedObjectCollectionController from "./Controllers/PredictedObjectCollectionController" +import VideoController from './Controllers/VideoController' +import ObjectDetector from './Models/ObjectDetector' +import PredictedObject from "./Models/PredictedObject" + +class App { + private predictedObjectCollectionController: PredictedObjectCollectionController + private videoController: VideoController + private objectDetector: ObjectDetector + + constructor () { + this.objectDetector = new ObjectDetector({ + filterPredicates: [ + (prediction: DetectedObject) => prediction.score > 0.6, + (prediction: DetectedObject) => prediction.class === 'cat', + ] + }) + + this.predictedObjectCollectionController = new PredictedObjectCollectionController() + + this.videoController = new VideoController({ + width: 640, + height: 480 + }) + this.predictImage() + } + + predictImage = async () => { + const imageData = this.videoController.imageData + + if (!imageData) { + window.requestAnimationFrame(this.predictImage) + return + } + + const predictions: DetectedObject[] = await this.objectDetector.predictImageStream(imageData) + const predictedObjects = predictions.map(p => new PredictedObject({ + xOrigin: p.bbox[0], + yOrigin: p.bbox[1], + width: p.bbox[2], + height: p.bbox[3], + class: p.class + })) + + this.predictedObjectCollectionController.predictedObjects = predictedObjects + + window.requestAnimationFrame(this.predictImage) + } +} + +new App() diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..13ec380 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,69 @@ +{ + "compilerOptions": { + /* Visit https://aka.ms/tsconfig.json to read more about this file */ + + /* Basic Options */ + // "incremental": true, /* Enable incremental compilation */ + "target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */ + "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */ + // "lib": [], /* Specify library files to be included in the compilation. */ + // "allowJs": true, /* Allow javascript files to be compiled. */ + // "checkJs": true, /* Report errors in .js files. */ + // "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */ + // "declaration": true, /* Generates corresponding '.d.ts' file. */ + // "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */ + // "sourceMap": true, /* Generates corresponding '.map' file. */ + // "outFile": "./app.js", /* Concatenate and emit output to single file. */ + "outDir": "./build", /* Redirect output structure to the directory. */ + // "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */ + // "composite": true, /* Enable project compilation */ + // "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */ + // "removeComments": true, /* Do not emit comments to output. */ + // "noEmit": true, /* Do not emit outputs. */ + // "importHelpers": true, /* Import emit helpers from 'tslib'. */ + // "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */ + // "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */ + + /* Strict Type-Checking Options */ + "strict": true, /* Enable all strict type-checking options. */ + // "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */ + // "strictNullChecks": true, /* Enable strict null checks. */ + // "strictFunctionTypes": true, /* Enable strict checking of function types. */ + // "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */ + // "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */ + // "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */ + // "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */ + + /* Additional Checks */ + // "noUnusedLocals": true, /* Report errors on unused locals. */ + // "noUnusedParameters": true, /* Report errors on unused parameters. */ + // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */ + // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */ + + /* Module Resolution Options */ + // "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */ + // "baseUrl": "./", /* Base directory to resolve non-absolute module names. */ + // "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */ + // "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */ + // "typeRoots": [], /* List of folders to include type definitions from. */ + // "types": [], /* Type declaration files to be included in compilation. */ + // "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */ + "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */ + // "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */ + // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */ + + /* Source Map Options */ + // "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */ + // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ + // "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */ + // "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */ + + /* Experimental Options */ + // "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */ + // "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */ + + /* Advanced Options */ + "skipLibCheck": true, /* Skip type checking of declaration files. */ + "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */ + } +} diff --git a/webpack.config.js b/webpack.config.js new file mode 100644 index 0000000..5c09d46 --- /dev/null +++ b/webpack.config.js @@ -0,0 +1,22 @@ +const path = require('path'); + +module.exports = { + entry: './src/app.ts', + devtool: 'inline-source-map', + module: { + rules: [ + { + test: /\.tsx?$/, + use: 'ts-loader', + exclude: /node_modules/, + }, + ], + }, + resolve: { + extensions: [ '.tsx', '.ts', '.js' ], + }, + output: { + filename: 'app.js', + path: path.resolve(__dirname, 'dist'), + }, +}; \ No newline at end of file