Travis ci (#114)

.travis.yml

+sudo: required
+language: node_js
+node_js:
+  - "10"
+env:
+  - BACKEND_CPU=true EXCLUDE_UNCOMPRESSED=true
+before_script:
+  - wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
+  - sudo sh -c 'echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
+  - sudo apt-get update
+  - sudo apt-get install google-chrome-stable
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start
+script:
+  - npm run test-travis
+  - npm install
+  - npm run build
\ No newline at end of file

karma.conf.js

@@ -14,7 +14,8 @@ const dataFiles = [
   nocache: false
 }))
 
-const exclude = process.env.UUT
+let exclude = (
+  process.env.UUT
     ? [
         'dom',
         'faceLandmarkNet',
@@ -24,11 +25,24 @@ const exclude = process.env.UUT
         'mtcnn',
         'tinyYolov2'
       ]
+    : ['tinyYolov2']
+  )
     .filter(ex => ex !== process.env.UUT)
     .map(ex => `test/tests/${ex}/*.ts`)
+
+
+exclude = exclude.concat(
+  process.env.EXCLUDE_UNCOMPRESSED
+    ? ['**/*.uncompressed.test.ts']
     : []
+)
 
 module.exports = function(config) {
+  const args = []
+  if (process.env.BACKEND_CPU) {
+    args.push('backend_cpu')
+  }
+
   config.set({
     frameworks: ['jasmine', 'karma-typescript'],
     files: [
@@ -44,10 +58,13 @@ module.exports = function(config) {
     },
     browsers: ['Chrome'],
     browserNoActivityTimeout: 120000,
+    browserDisconnectTolerance: 3,
+    browserDisconnectTimeout : 120000,
     captureTimeout: 60000,
     client: {
       jasmine: {
-        timeoutInterval: 60000
+        timeoutInterval: 60000,
+        args
       }
     }
   })

package.json

@@ -18,6 +18,9 @@
     "test-tinyfacedetector": "set UUT=tinyFaceDetector&& karma start",
     "test-mtcnn": "set UUT=mtcnn&& karma start",
     "test-tinyyolov2": "set UUT=tinyYolov2&& karma start",
+    "test-cpu": "set BACKEND_CPU=true&& karma start",
+    "test-exclude-uncompressed": "set EXCLUDE_UNCOMPRESSED=true&& karma start",
+    "test-travis": "karma start --single-run",
     "docs": "typedoc --options ./typedoc.config.js ./src"
   },
   "keywords": [

test/expectFaceDetections.ts

@@ -6,6 +6,7 @@ export function expectFaceDetections(
   results: FaceDetection[],
   allExpectedFaceDetections: IRect[],
   expectedScores: number[],
+  maxScoreDelta: number,
   maxBoxDelta: number
 ) {
 
@@ -20,7 +21,7 @@ export function expectFaceDetections(
 
   expectedDetections.forEach((expectedDetection, i) => {
     const det = sortedResults[i]
-    expect(det.score).toBeCloseTo(expectedDetection.score, 2)
+    expect(Math.abs(det.score - expectedDetection.score)).toBeLessThan(maxScoreDelta)
     expectRectClose(det.box, expectedDetection, maxBoxDelta)
   })
 }
\ No newline at end of file

test/expectFaceDetectionsWithLandmarks.ts

@@ -4,6 +4,7 @@ import { FaceLandmarks68 } from '../src/classes/FaceLandmarks68';
 import { ExpectedFaceDetectionWithLandmarks, expectPointClose, expectRectClose, sortByFaceDetection } from './utils';
 
 export type BoxAndLandmarksDeltas = {
+  maxScoreDelta: number
   maxBoxDelta: number
   maxLandmarksDelta: number
 }
@@ -26,7 +27,7 @@ export function expectFaceDetectionsWithLandmarks<TFaceLandmarks extends FaceLan
 
   expectedFullFaceDescriptions.forEach((expected, i) => {
     const { detection, landmarks } = sortedResults[i]
-    expect(detection.score).toBeCloseTo(expected.score, 2)
+    expect(Math.abs(detection.score - expected.score)).toBeLessThan(deltas.maxScoreDelta)
     expectRectClose(detection.box, expected.detection, deltas.maxBoxDelta)
     landmarks.positions.forEach((pt, j) => expectPointClose(pt, expected.landmarks[j], deltas.maxLandmarksDelta))
   })

test/expectFullFaceDescriptions.ts

@@ -25,7 +25,7 @@ export function expectFullFaceDescriptions(
 
   expectedFullFaceDescriptions.forEach((expected, i) => {
     const { detection, landmarks, descriptor } = sortedResults[i]
-    expect(detection.score).toBeCloseTo(expected.score, 2)
+    expect(detection.score - expected.score).toBeLessThan(deltas.maxScoreDelta)
     expectRectClose(detection.box, expected.detection, deltas.maxBoxDelta)
     landmarks.positions.forEach((pt, j) => expectPointClose(pt, expected.landmarks[j], deltas.maxLandmarksDelta))
     expect(euclideanDistance(descriptor, expected.descriptor)).toBeLessThan(deltas.maxDescriptorDelta)

test/tests/faceLandmarkNet/faceLandmark68Net.test.ts

@@ -64,7 +64,7 @@ describe('faceLandmark68Net', () => {
 
   })
 
-  describeWithNets('batch inputs', { withFaceLandmark68Net: { quantized: false } }, ({ faceLandmark68Net }) => {
+  describeWithNets('batch inputs', { withFaceLandmark68Net: { quantized: true } }, ({ faceLandmark68Net }) => {
 
     it('computes face landmarks for batch of image elements', async () => {
       const inputs = [imgEl1, imgEl2, imgElRect]
@@ -145,19 +145,6 @@ describe('faceLandmark68Net', () => {
 
   describeWithNets('no memory leaks', { withFaceLandmark68Net: { quantized: true } }, ({ faceLandmark68Net }) => {
 
-    describe('NeuralNetwork, uncompressed model', () => {
-
-      it('disposes all param tensors', async () => {
-        await expectAllTensorsReleased(async () => {
-          const res = await fetch('base/weights_uncompressed/face_landmark_68_model.weights')
-          const weights = new Float32Array(await res.arrayBuffer())
-          const net = createFaceLandmarkNet(weights)
-          net.dispose()
-        })
-      })
-
-    })
-
     describe('NeuralNetwork, quantized model', () => {
 
       it('disposes all param tensors', async () => {

test/tests/faceLandmarkNet/faceLandmark68Net.uncompressed.test.ts

 import { fetchImage, fetchJson, Point } from '../../../src';
 import { FaceLandmarks68 } from '../../../src/classes/FaceLandmarks68';
-import { describeWithNets, expectPointClose } from '../../utils';
+import { createFaceLandmarkNet } from '../../../src/faceLandmarkNet';
+import { describeWithNets, expectAllTensorsReleased, expectPointClose } from '../../utils';
 
 describe('faceLandmark68Net, uncompressed', () => {
 
@@ -46,6 +47,15 @@ describe('faceLandmark68Net, uncompressed', () => {
       })
     })
 
+    it('no memory leaks', async () => {
+      await expectAllTensorsReleased(async () => {
+        const res = await fetch('base/weights_uncompressed/face_landmark_68_model.weights')
+        const weights = new Float32Array(await res.arrayBuffer())
+        const net = createFaceLandmarkNet(weights)
+        net.dispose()
+      })
+    })
+
   })
 
 })

test/tests/faceLandmarkNet/faceLandmark68TinyNet.test.ts

@@ -145,19 +145,6 @@ describe('faceLandmark68TinyNet', () => {
 
   describeWithNets('no memory leaks', { withFaceLandmark68TinyNet: { quantized: true } }, ({ faceLandmark68TinyNet }) => {
 
-    describe('NeuralNetwork, uncompressed model', () => {
-
-      it('disposes all param tensors', async () => {
-        await expectAllTensorsReleased(async () => {
-          const res = await fetch('base/weights_uncompressed/face_landmark_68_model.weights')
-          const weights = new Float32Array(await res.arrayBuffer())
-          const net = createFaceLandmarkNet(weights)
-          net.dispose()
-        })
-      })
-
-    })
-
     describe('NeuralNetwork, quantized model', () => {
 
       it('disposes all param tensors', async () => {

test/tests/faceLandmarkNet/faceLandmark68TinyNet.uncompressed.test.ts

 import { fetchImage, fetchJson, Point } from '../../../src';
 import { FaceLandmarks68 } from '../../../src/classes/FaceLandmarks68';
-import { describeWithNets, expectPointClose } from '../../utils';
+import { createFaceLandmarkNet } from '../../../src/faceLandmarkNet';
+import { describeWithNets, expectAllTensorsReleased, expectPointClose } from '../../utils';
 
 describe('faceLandmark68TinyNet, uncompressed', () => {
 
@@ -46,6 +47,15 @@ describe('faceLandmark68TinyNet, uncompressed', () => {
       })
     })
 
+    it('no memory leaks', async () => {
+      await expectAllTensorsReleased(async () => {
+        const res = await fetch('base/weights_uncompressed/face_landmark_68_model.weights')
+        const weights = new Float32Array(await res.arrayBuffer())
+        const net = createFaceLandmarkNet(weights)
+        net.dispose()
+      })
+    })
+
   })
 
 })

test/tests/faceRecognitionNet/faceRecognitionNet.test.ts

@@ -2,7 +2,6 @@ import * as tf from '@tensorflow/tfjs-core';
 
 import { FaceRecognitionNet, fetchImage, fetchJson, NetInput, toNetInput } from '../../../src';
 import { euclideanDistance } from '../../../src/euclideanDistance';
-import { createFaceRecognitionNet } from '../../../src/faceRecognitionNet';
 import { describeWithNets, expectAllTensorsReleased } from '../../utils';
 
 describe('faceRecognitionNet', () => {
@@ -97,19 +96,6 @@ describe('faceRecognitionNet', () => {
 
   describeWithNets('no memory leaks', { withFaceRecognitionNet: { quantized: true } }, ({ faceRecognitionNet }) => {
 
-    describe('NeuralNetwork, uncompressed model', () => {
-
-      it('disposes all param tensors', async () => {
-        await expectAllTensorsReleased(async () => {
-          const res = await fetch('base/weights_uncompressed/face_recognition_model.weights')
-          const weights = new Float32Array(await res.arrayBuffer())
-          const net = createFaceRecognitionNet(weights)
-          net.dispose()
-        })
-      })
-
-    })
-
     describe('NeuralNetwork, quantized model', () => {
 
       it('disposes all param tensors', async () => {

test/tests/faceRecognitionNet/faceRecognitionNet.uncompressed.test.ts

 import { fetchImage, fetchJson } from '../../../src';
 import { euclideanDistance } from '../../../src/euclideanDistance';
-import { describeWithNets } from '../../utils';
+import { createFaceRecognitionNet } from '../../../src/faceRecognitionNet';
+import { describeWithNets, expectAllTensorsReleased } from '../../utils';
 
 describe('faceRecognitionNet, uncompressed', () => {
 
@@ -30,5 +31,14 @@ describe('faceRecognitionNet, uncompressed', () => {
       expect(euclideanDistance(result, faceDescriptorRect)).toBeLessThan(0.1)
     })
 
+    it('no memory leaks', async () => {
+      await expectAllTensorsReleased(async () => {
+        const res = await fetch('base/weights_uncompressed/face_recognition_model.weights')
+        const weights = new Float32Array(await res.arrayBuffer())
+        const net = createFaceRecognitionNet(weights)
+        net.dispose()
+      })
+    })
+
   })
 })
\ No newline at end of file

test/tests/mtcnn/mtcnn.forward.test.ts

@@ -13,8 +13,8 @@ describe('mtcnn.forward', () => {
     expectedMtcnnLandmarks = await fetchJson<IPoint[][]>('base/test/data/mtcnnFaceLandmarkPositions.json')
   })
 
-  describeWithNets('uncompressed weights', { withMtcnn: { quantized: false } }, ({ mtcnn }) => {
-
+  // "quantized" actually means loaded from manifest.json, since there is no quantization applied to the mtcnn model
+  describeWithNets('quantized weights', { withMtcnn: { quantized: true } }, ({ mtcnn }) => {
 
     it('minFaceSize = 20, finds all faces', async () => {
       const forwardParams = {
@@ -25,6 +25,7 @@ describe('mtcnn.forward', () => {
       expect(results.length).toEqual(6)
 
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 2,
         maxLandmarksDelta: 5
       }
@@ -40,6 +41,7 @@ describe('mtcnn.forward', () => {
 
       expect(results.length).toEqual(6)
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 15,
         maxLandmarksDelta: 13
       }
@@ -58,6 +60,7 @@ describe('mtcnn.forward', () => {
       expect(results.length).toEqual(6)
 
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 8,
         maxLandmarksDelta: 7
       }
@@ -73,32 +76,14 @@ describe('mtcnn.forward', () => {
       expect(results.length).toEqual(6)
 
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 8,
         maxLandmarksDelta: 10
       }
       expectMtcnnResults(results, expectedMtcnnLandmarks, [1.0, 1.0, 1.0, 1.0, 1.0, 1.0], deltas)
     })
 
-  })
-
-  describe('no memory leaks', () => {
-
-    describe('NeuralNetwork, uncompressed model', () => {
-
-      it('disposes all param tensors', async () => {
-        await expectAllTensorsReleased(async () => {
-          const res = await fetch('base/weights_uncompressed/mtcnn_model.weights')
-          const weights = new Float32Array(await res.arrayBuffer())
-          const net = faceapi.createMtcnn(weights)
-          net.dispose()
-        })
-      })
-
-    })
-
-    describe('NeuralNetwork, quantized model', () => {
-
-      it('disposes all param tensors', async () => {
+    it('no memory leaks', async () => {
       await expectAllTensorsReleased(async () => {
         const net = new faceapi.Mtcnn()
         await net.load('base/weights')
@@ -108,6 +93,4 @@ describe('mtcnn.forward', () => {
 
   })
 
-  })
-
 })
\ No newline at end of file

test/tests/mtcnn/mtcnn.forward.uncompressed.test.ts

+import * as faceapi from '../../../src';
+import { describeWithNets, expectAllTensorsReleased } from '../../utils';
+import { expectMtcnnResults } from './expectMtcnnResults';
+import { IPoint, fetchImage, fetchJson } from '../../../src';
+
+describe('mtcnn.forward', () => {
+
+  let imgEl: HTMLImageElement
+  let expectedMtcnnLandmarks: IPoint[][]
+
+  beforeAll(async () => {
+    imgEl = await fetchImage('base/test/images/faces.jpg')
+    expectedMtcnnLandmarks = await fetchJson<IPoint[][]>('base/test/data/mtcnnFaceLandmarkPositions.json')
+  })
+
+  describeWithNets('uncompressed weights', { withMtcnn: { quantized: false } }, ({ mtcnn }) => {
+
+    it('minFaceSize = 20, finds all faces', async () => {
+      const forwardParams = {
+        minFaceSize: 20
+      }
+
+      const results = await mtcnn.forward(imgEl, forwardParams)
+      expect(results.length).toEqual(6)
+
+      const deltas = {
+        maxScoreDelta: 0.01,
+        maxBoxDelta: 2,
+        maxLandmarksDelta: 5
+      }
+      expectMtcnnResults(results, expectedMtcnnLandmarks, [1.0, 1.0, 1.0, 1.0, 0.99, 0.99], deltas)
+    })
+
+    it('minFaceSize = 80, finds all faces', async () => {
+      const forwardParams = {
+        minFaceSize: 80
+      }
+
+      const results = await mtcnn.forward(imgEl, forwardParams)
+
+      expect(results.length).toEqual(6)
+      const deltas = {
+        maxScoreDelta: 0.01,
+        maxBoxDelta: 15,
+        maxLandmarksDelta: 13
+      }
+      expectMtcnnResults(results, expectedMtcnnLandmarks, [1.0, 1.0, 1.0, 1.0, 1.0, 0.99], deltas)
+    })
+
+    it('all optional params passed, finds all faces', async () => {
+      const forwardParams = {
+        maxNumScales: 10,
+        scaleFactor: 0.8,
+        scoreThresholds: [0.8, 0.8, 0.9],
+        minFaceSize: 20
+      }
+
+      const results = await mtcnn.forward(imgEl, forwardParams)
+      expect(results.length).toEqual(6)
+
+      const deltas = {
+        maxScoreDelta: 0.01,
+        maxBoxDelta: 8,
+        maxLandmarksDelta: 7
+      }
+      expectMtcnnResults(results, expectedMtcnnLandmarks, [1.0, 1.0, 1.0, 0.99, 1.0, 1.0], deltas)
+    })
+
+    it('scale steps passed, finds all faces', async () => {
+      const forwardParams = {
+        scaleSteps: [0.6, 0.4, 0.2, 0.15, 0.1, 0.08, 0.02]
+      }
+
+      const results = await mtcnn.forward(imgEl, forwardParams)
+      expect(results.length).toEqual(6)
+
+      const deltas = {
+        maxScoreDelta: 0.01,
+        maxBoxDelta: 8,
+        maxLandmarksDelta: 10
+      }
+      expectMtcnnResults(results, expectedMtcnnLandmarks, [1.0, 1.0, 1.0, 1.0, 1.0, 1.0], deltas)
+    })
+
+    it('no memory leaks', async () => {
+      await expectAllTensorsReleased(async () => {
+        const res = await fetch('base/weights_uncompressed/mtcnn_model.weights')
+        const weights = new Float32Array(await res.arrayBuffer())
+        const net = faceapi.createMtcnn(weights)
+        net.dispose()
+      })
+    })
+
+  })
+
+})
\ No newline at end of file

test/tests/mtcnn/mtcnn.test.ts

@@ -26,10 +26,10 @@ describe('mtcnn', () => {
       })
 
       const results = await faceapi.detectAllFaces(imgEl, options)
-
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 2
       expect(results.length).toEqual(6)
-      expectFaceDetections(results, expectedMtcnnBoxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(results, expectedMtcnnBoxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('detectAllFaces.withFaceLandmarks().withFaceDescriptors()', async () => {
@@ -42,6 +42,7 @@ describe('mtcnn', () => {
         .withFaceLandmarks()
 
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 2,
         maxLandmarksDelta: 6
       }
@@ -60,6 +61,7 @@ describe('mtcnn', () => {
         .withFaceDescriptors()
 
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 2,
         maxLandmarksDelta: 6,
         maxDescriptorDelta: 0.2

test/tests/ssdMobilenetv1/ssdMobilenetv1.locateFaces.test.ts

@@ -20,9 +20,10 @@ describe('ssdMobilenetv1.locateFaces', () => {
       expect(detections.length).toEqual(4)
 
       const expectedScores = [-1, 0.81, 0.97, 0.88, 0.84, -1]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 4
 
-      expectFaceDetections(detections, expectedSsdBoxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedSsdBoxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('scores > 0.5', async () => {
@@ -31,9 +32,10 @@ describe('ssdMobilenetv1.locateFaces', () => {
       expect(detections.length).toEqual(6)
 
       const expectedScores = [0.54, 0.81, 0.97, 0.88, 0.84, 0.61]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 5
 
-      expectFaceDetections(detections, expectedSsdBoxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedSsdBoxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('no memory leaks', async () => {

test/tests/ssdMobilenetv1/ssdMobilenetv1.locateFaces.uncompressed.test.ts

@@ -20,9 +20,10 @@ describe('ssdMobilenetv1.locateFaces, uncompressed', () => {
       expect(detections.length).toEqual(3)
 
       const expectedScores = [-1, -1, 0.98, 0.88, 0.81, -1]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 3
 
-      expectFaceDetections(detections, expectedSsdBoxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedSsdBoxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('scores > 0.5', async () => {
@@ -31,9 +32,10 @@ describe('ssdMobilenetv1.locateFaces, uncompressed', () => {
       expect(detections.length).toEqual(6)
 
       const expectedScores = [0.57, 0.74, 0.98, 0.88, 0.81, 0.58]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 3
 
-      expectFaceDetections(detections, expectedSsdBoxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedSsdBoxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('no memory leaks', async () => {

test/tests/ssdMobilenetv1/ssdMobilenetv1.test.ts

@@ -26,9 +26,10 @@ describe('ssdMobilenetv1', () => {
 
       const results = await faceapi.detectAllFaces(imgEl, options)
 
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 5
       expect(results.length).toEqual(6)
-      expectFaceDetections(results, expectedSsdBoxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(results, expectedSsdBoxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('detectAllFaces.withFaceLandmarks()', async () => {
@@ -41,8 +42,9 @@ describe('ssdMobilenetv1', () => {
         .withFaceLandmarks()
 
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 5,
-        maxLandmarksDelta: 1
+        maxLandmarksDelta: 2
       }
       expect(results.length).toEqual(6)
       expectFaceDetectionsWithLandmarks(results, expectedFullFaceDescriptions, expectedScores, deltas)
@@ -59,8 +61,9 @@ describe('ssdMobilenetv1', () => {
         .withFaceDescriptors()
 
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 5,
-        maxLandmarksDelta: 1,
+        maxLandmarksDelta: 2,
         maxDescriptorDelta: 0.1
       }
       expect(results.length).toEqual(6)

test/tests/tinyFaceDetector/tinyFaceDetector.locateFaces.test.ts

@@ -20,9 +20,10 @@ describe('tinyFaceDetector.locateFaces', () => {
       expect(detections.length).toEqual(6)
 
       const expectedScores = [0.77, 0.75, 0.88, 0.77, 0.83, 0.85]
-      const maxBoxDelta = 36
+      const maxScoreDelta = 0.01
+      const maxBoxDelta = 40
 
-      expectFaceDetections(detections, expectedTinyFaceDetectorBoxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyFaceDetectorBoxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('inputSize 416, finds all faces', async () => {
@@ -31,9 +32,10 @@ describe('tinyFaceDetector.locateFaces', () => {
       expect(detections.length).toEqual(6)
 
       const expectedScores = [0.7, 0.82, 0.93, 0.86, 0.79, 0.84]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 1
 
-      expectFaceDetections(detections, expectedTinyFaceDetectorBoxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyFaceDetectorBoxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('no memory leaks', async () => {

test/tests/tinyFaceDetector/tinyFaceDetector.test.ts

@@ -26,9 +26,10 @@ describe('tinyFaceDetector', () => {
 
       const results = await faceapi.detectAllFaces(imgEl, options)
 
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 1
       expect(results.length).toEqual(6)
-      expectFaceDetections(results, expectedTinyFaceDetectorBoxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(results, expectedTinyFaceDetectorBoxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('detectAllFaces.withFaceLandmarks()', async () => {
@@ -41,6 +42,7 @@ describe('tinyFaceDetector', () => {
         .withFaceLandmarks()
 
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 1,
         maxLandmarksDelta: 10
       }
@@ -59,6 +61,7 @@ describe('tinyFaceDetector', () => {
         .withFaceDescriptors()
 
       const deltas = {
+        maxScoreDelta: 0.01,
         maxBoxDelta: 1,
         maxLandmarksDelta: 10,
         maxDescriptorDelta: 0.2

test/tests/tinyYolov2/tinyYolov2.locateFaces.test.ts

@@ -5,7 +5,7 @@ import { expectFaceDetections } from '../../expectFaceDetections';
 import { describeWithNets, expectAllTensorsReleased } from '../../utils';
 import { expectedTinyYolov2Boxes } from './expectedBoxes';
 
-xdescribe('tinyYolov2.locateFaces', () => {
+describe('tinyYolov2.locateFaces', () => {
 
   let imgEl: HTMLImageElement
 
@@ -19,30 +19,33 @@ xdescribe('tinyYolov2.locateFaces', () => {
       const detections = await tinyYolov2.locateFaces(imgEl, { inputSize: TinyYolov2SizeType.LG })
 
       const expectedScores = [0.8, 0.85, 0.86, 0.83, 0.86, 0.81]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 4
 
       expect(detections.length).toEqual(6)
-      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('inputSize md, finds all faces', async () => {
       const detections = await tinyYolov2.locateFaces(imgEl, { inputSize: TinyYolov2SizeType.MD })
 
       const expectedScores = [0.89, 0.81, 0.82, 0.72, 0.81, 0.86]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 27
 
       expect(detections.length).toEqual(6)
-      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('inputSize custom, finds all faces', async () => {
       const detections = await tinyYolov2.locateFaces(imgEl, { inputSize: 416 })
 
       const expectedScores = [0.89, 0.81, 0.82, 0.72, 0.81, 0.86]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 27
 
       expect(detections.length).toEqual(6)
-      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('no memory leaks', async () => {

test/tests/tinyYolov2/tinyYolov2.locateFaces.uncompressed.test.ts

@@ -5,7 +5,7 @@ import { expectFaceDetections } from '../../expectFaceDetections';
 import { describeWithNets, expectAllTensorsReleased } from '../../utils';
 import { expectedTinyYolov2Boxes } from './expectedBoxes';
 
-xdescribe('tinyYolov2.locateFaces, uncompressed', () => {
+describe('tinyYolov2.locateFaces, uncompressed', () => {
 
   let imgEl: HTMLImageElement
 
@@ -19,30 +19,33 @@ xdescribe('tinyYolov2.locateFaces, uncompressed', () => {
       const detections = await tinyYolov2.locateFaces(imgEl, { inputSize: TinyYolov2SizeType.LG })
 
       const expectedScores = [0.81, 0.85, 0.86, 0.83, 0.86, 0.81]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 1
 
       expect(detections.length).toEqual(6)
-      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('inputSize md, finds all faces', async () => {
       const detections = await tinyYolov2.locateFaces(imgEl, { inputSize: TinyYolov2SizeType.MD })
 
       const expectedScores = [0.89, 0.82, 0.82, 0.72, 0.81, 0.86]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 24
 
       expect(detections.length).toEqual(6)
-      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('inputSize custom, finds all faces', async () => {
       const detections = await tinyYolov2.locateFaces(imgEl, { inputSize: 416 })
 
       const expectedScores = [0.89, 0.82, 0.82, 0.72, 0.81, 0.86]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 24
 
       expect(detections.length).toEqual(6)
-      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('no memory leaks', async () => {

test/tests/tinyYolov2/tinyYolov2SeparableConv.locateFaces.test.ts

@@ -5,7 +5,7 @@ import { expectFaceDetections } from '../../expectFaceDetections';
 import { describeWithNets, expectAllTensorsReleased } from '../../utils';
 import { expectedTinyYolov2Boxes } from './expectedBoxes';
 
-xdescribe('tinyYolov2.locateFaces, with separable convolutions', () => {
+describe('tinyYolov2.locateFaces, with separable convolutions', () => {
 
   let imgEl: HTMLImageElement
 
@@ -19,30 +19,33 @@ xdescribe('tinyYolov2.locateFaces, with separable convolutions', () => {
       const detections = await tinyYolov2.locateFaces(imgEl, { inputSize: TinyYolov2SizeType.LG })
 
       const expectedScores = [0.85, 0.88, 0.9, 0.85, 0.9, 0.85]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 25
 
       expect(detections.length).toEqual(6)
-      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('inputSize md, finds all faces', async () => {
       const detections = await tinyYolov2.locateFaces(imgEl, { inputSize: TinyYolov2SizeType.MD })
 
       const expectedScores = [0.85, 0.8, 0.8, 0.85, 0.85, 0.83]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 34
 
       expect(detections.length).toEqual(6)
-      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
     it('inputSize custom, finds all faces', async () => {
       const detections = await tinyYolov2.locateFaces(imgEl, { inputSize: 416 })
 
       const expectedScores = [0.85, 0.8, 0.8, 0.85, 0.85, 0.83]
+      const maxScoreDelta = 0.01
       const maxBoxDelta = 34
 
       expect(detections.length).toEqual(6)
-      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxBoxDelta)
+      expectFaceDetections(detections, expectedTinyYolov2Boxes, expectedScores, maxScoreDelta, maxBoxDelta)
     })
 
   })

test/utils.ts

@@ -11,6 +11,11 @@ import { TinyFaceDetector } from '../src/tinyFaceDetector/TinyFaceDetector';
 
 jasmine.DEFAULT_TIMEOUT_INTERVAL = 60000
 
+const args: string[] = window['__karma__'].config.jasmine.args
+if (args.some(arg => arg === 'backend_cpu')) {
+  tf.setBackend('cpu')
+}
+
 export function expectMaxDelta(val1: number, val2: number, maxDelta: number) {
   expect(Math.abs(val1 - val2)).toBeLessThan(maxDelta)
 }