diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml index be06cde..3dca212 100644 --- a/.github/workflows/node.js.yml +++ b/.github/workflows/node.js.yml @@ -13,7 +13,7 @@ jobs: strategy: matrix: - node-version: [10.x, 12.x, 14.x] + node-version: [12.x, 14.x, 16.x] steps: - uses: actions/checkout@v2 diff --git a/ItemTracked.js b/ItemTracked.js index dea1160..5da4f87 100644 --- a/ItemTracked.js +++ b/ItemTracked.js @@ -12,6 +12,9 @@ var computeVelocityVector = require('./utils').computeVelocityVector // "name": "car" // } +/** The maximum length of the item history. */ +exports.ITEM_HISTORY_MAX_LENGTH = 15; + // Use a simple incremental unique id for the display var idDisplay = 0; @@ -48,6 +51,9 @@ exports.ItemTracked = function(properties, frameNb, unMatchedFramesTolerance, fa h: properties.h, confidence: properties.confidence }); + if(itemTracked.itemHistory.length >= exports.ITEM_HISTORY_MAX_LENGTH) { + itemTracked.itemHistory.shift(); + } itemTracked.velocity = { dx: 0, dy: 0 @@ -79,6 +85,9 @@ exports.ItemTracked = function(properties, frameNb, unMatchedFramesTolerance, fa h: this.h, confidence: this.confidence }); + if(itemTracked.itemHistory.length >= exports.ITEM_HISTORY_MAX_LENGTH) { + itemTracked.itemHistory.shift(); + } this.name = properties.name; if(this.nameCount[properties.name]) { this.nameCount[properties.name]++; @@ -124,6 +133,9 @@ exports.ItemTracked = function(properties, frameNb, unMatchedFramesTolerance, fa h: this.h, confidence: this.confidence }); + if(itemTracked.itemHistory.length >= exports.ITEM_HISTORY_MAX_LENGTH) { + itemTracked.itemHistory.shift(); + } this.x = this.x + this.velocity.dx this.y = this.y + this.velocity.dy } @@ -142,11 +154,18 @@ exports.ItemTracked = function(properties, frameNb, unMatchedFramesTolerance, fa } // Velocity vector based on the last 15 frames itemTracked.updateVelocityVector = function() { - var AVERAGE_NBFRAME = 15; - if(this.itemHistory.length <= AVERAGE_NBFRAME) { - return computeVelocityVector(this.itemHistory[0], this.itemHistory[this.itemHistory.length - 1], this.itemHistory.length); + if(exports.ITEM_HISTORY_MAX_LENGTH <= 2) { + return { dx: undefined, dy: undefined, } + } + + if(this.itemHistory.length <= exports.ITEM_HISTORY_MAX_LENGTH) { + const start = this.itemHistory[0]; + const end = this.itemHistory[this.itemHistory.length - 1]; + return computeVelocityVector(start, end, this.itemHistory.length); } else { - return computeVelocityVector(this.itemHistory[this.itemHistory.length - AVERAGE_NBFRAME], this.itemHistory[this.itemHistory.length - 1], AVERAGE_NBFRAME); + const start = this.itemHistory[this.itemHistory.length - exports.ITEM_HISTORY_MAX_LENGTH]; + const end = this.itemHistory[this.itemHistory.length - 1]; + return computeVelocityVector(start, end, exports.ITEM_HISTORY_MAX_LENGTH); } } @@ -196,7 +215,7 @@ exports.ItemTracked = function(properties, frameNb, unMatchedFramesTolerance, fa } itemTracked.toMOT = function(frameIndex) { - return `${frameIndex},${this.idDisplay},${this.x},${this.y},${this.w},${this.h},${this.confidence / 100},-1,-1,-1`; + return `${frameIndex},${this.idDisplay},${this.x - this.w / 2},${this.y - this.h / 2},${this.w},${this.h},${this.confidence / 100},-1,-1,-1`; } itemTracked.toJSONGenericInfo = function() { diff --git a/main.js b/main.js index 1f12d8a..639608c 100755 --- a/main.js +++ b/main.js @@ -135,11 +135,14 @@ fs.readFile(`${pathRawDetectionsInput}`, function (err, f) { var detectionOfThisFrameArray = line.split(","); var detectionFrameIndex = parseInt(detectionOfThisFrameArray[0], 10); if (!Number.isNaN(detectionFrameIndex)) { + var w = parseFloat(detectionOfThisFrameArray[4]); + var h = parseFloat(detectionOfThisFrameArray[5]); + var detection = { - x: parseFloat(detectionOfThisFrameArray[2]), - y: parseFloat(detectionOfThisFrameArray[3]), - w: parseFloat(detectionOfThisFrameArray[4]), - h: parseFloat(detectionOfThisFrameArray[5]), + x: parseFloat(detectionOfThisFrameArray[2]) + w / 2, + y: parseFloat(detectionOfThisFrameArray[3]) + h / 2, + w, + h, confidence: parseFloat(detectionOfThisFrameArray[6]) * 100, name: "" } diff --git a/package-lock.json b/package-lock.json index 5ef2371..4d6e45b 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,8 +1,1470 @@ { "name": "node-moving-things-tracker", - "version": "0.8.0", - "lockfileVersion": 1, + "version": "0.9.1", + "lockfileVersion": 2, "requires": true, + "packages": { + "": { + "name": "node-moving-things-tracker", + "version": "0.9.1", + "license": "MIT", + "dependencies": { + "lodash.isequal": "^4.5.0", + "minimist": "^1.2.0", + "munkres-js": "^1.2.2", + "uuid": "^3.2.1" + }, + "bin": { + "node-moving-things-tracker": "main.js" + }, + "devDependencies": { + "jasmine": "^3.6.1" + } + }, + "node_modules/@mrmlnc/readdir-enhanced": { + "version": "2.2.1", + "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz", + "integrity": 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Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math-random for details.", + "bin": { + "uuid": "bin/uuid" + } + } + }, "dependencies": { "@mrmlnc/readdir-enhanced": { "version": "2.2.1", @@ -736,6 +2198,11 @@ "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=", "dev": true }, + "munkres-js": { + "version": "1.2.2", + "resolved": "https://registry.npmjs.org/munkres-js/-/munkres-js-1.2.2.tgz", + "integrity": "sha1-4D2YBo1F1YexX1Y+uGDrZ6qFKLc=" + }, "nanomatch": { "version": "1.2.13", "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz", diff --git a/package.json b/package.json index 806ae3b..200740e 100644 --- a/package.json +++ b/package.json @@ -1,8 +1,8 @@ { "name": "node-moving-things-tracker", - "version": "0.8.0", + "version": "0.9.1", "description": "Tracker by detections in javascript for node.js / browsers", - "url": "https://github.com/tdurand/node-moving-things-tracker", + "url": "https://github.com/opendatacam/node-moving-things-tracker", "main": "main.js", "bin": { "node-moving-things-tracker": "main.js" @@ -13,7 +13,8 @@ "author": "@tdurand", "contributors": [ "Benedikt Groß (http://benedikt-gross.de/)", - "Valentin Sawadski (https://github.com/vsaw/)" + "Valentin Sawadski (https://github.com/vsaw/)", + "Adrian Kretz (https://github.com/akretz)" ], "license": "MIT", "dependencies": { diff --git a/spec/ItemTracked.spec.js b/spec/ItemTracked.spec.js index 3044bd3..3ad628a 100644 --- a/spec/ItemTracked.spec.js +++ b/spec/ItemTracked.spec.js @@ -1,30 +1,54 @@ const ItemTracked = require('../ItemTracked'); describe("ItemTracked", function () { + const properties = { + x: null, + y: null, + w: null, + h: null, + name: "dummy", + confidence: null + }; + describe("idDisplay", function () { - const properties = { - x: null, - y: null, - w: null, - h: null, - name: "dummy", - confidence: null - }; const item1 = ItemTracked.ItemTracked(properties); const item2 = ItemTracked.ItemTracked(properties); - it('starts at 0', function() { - expect(item1.idDisplay).toBe(0); + it('starts at 0', function () { + expect(item1.idDisplay).toBe(0); }); - it('icrements IDs', function() { + it('icrements IDs', function () { expect(item1.idDisplay).toBeLessThan(item2.idDisplay); }); - it('resets IDs', function() { - ItemTracked.reset(); - const item3 = ItemTracked.ItemTracked(properties); - expect(item3.idDisplay).toBe(0); + it('resets IDs', function () { + ItemTracked.reset(); + const item3 = ItemTracked.ItemTracked(properties); + expect(item3.idDisplay).toBe(0); + }); + }); + + describe('itemHistory', () => { + it('stops at max length', () => { + const item1 = ItemTracked.ItemTracked(properties); + for (var i = 0; i < ItemTracked.ITEM_HISTORY_MAX_LENGTH + 2; i++) { + item1.update(properties, i); + expect(item1.itemHistory.length).toBeLessThanOrEqual(ItemTracked.ITEM_HISTORY_MAX_LENGTH); + } + }); + + it('does not store history', () => { + const originalItemHistoryMaxLen = ItemTracked.ITEM_HISTORY_MAX_LENGTH; + ItemTracked.ITEM_HISTORY_MAX_LENGTH = 0; + const item1 = ItemTracked.ItemTracked(properties); + + for (var i = 0; i < ItemTracked.ITEM_HISTORY_MAX_LENGTH + 2; i++) { + item1.update(properties, i); + expect(item1.itemHistory.length).toBe(ItemTracked.ITEM_HISTORY_MAX_LENGTH); + } + + ItemTracked.ITEM_HISTORY_MAX_LENGTH = originalItemHistoryMaxLen; }); }); }); diff --git a/utils.js b/utils.js index 1a5512f..30f6436 100644 --- a/utils.js +++ b/utils.js @@ -7,11 +7,11 @@ exports.isDetectionTooLarge = (detections, largestAllowed) => { } const isInsideArea = (area, point) => { - const xMin = area.x - const xMax = area.x + area.w; - const yMin = area.y - const yMax = area.y + area.h; - + const xMin = area.x - area.w / 2; + const xMax = area.x + area.w / 2; + const yMin = area.y - area.h / 2; + const yMax = area.y + area.h / 2; + if(point.x >= xMin && point.x <= xMax && point.y >= yMin && @@ -35,10 +35,10 @@ exports.ignoreObjectsNotToDetect = (detections, objectsToDetect) => { const getRectangleEdges = (item) => { return { - x0: item.x, - y0: item.y, - x1: item.x + item.w, - y1: item.y + item.h + x0: item.x - item.w / 2, + y0: item.y - item.h / 2, + x1: item.x + item.w / 2, + y1: item.y + item.h / 2, } }