fixed score distance calculation + increase descriptor delta

test/expectFullFaceDescriptions.ts

@@ -25,7 +25,7 @@ export function expectFullFaceDescriptions(
 
   expectedFullFaceDescriptions.forEach((expected, i) => {
     const { detection, landmarks, descriptor } = sortedResults[i]
-    expect(detection.score - expected.score).toBeLessThan(deltas.maxScoreDelta)
+    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))
     expect(euclideanDistance(descriptor, expected.descriptor)).toBeLessThan(deltas.maxDescriptorDelta)

test/tests/ssdMobilenetv1/ssdMobilenetv1.test.ts

@@ -64,7 +64,7 @@ describe('ssdMobilenetv1', () => {
         maxScoreDelta: 0.01,
         maxBoxDelta: 5,
         maxLandmarksDelta: 2,
-        maxDescriptorDelta: 0.1
+        maxDescriptorDelta: 0.2
       }
       expect(results.length).toEqual(6)
       expectFullFaceDescriptions(results, expectedFullFaceDescriptions, expectedScores, deltas)