- added timeout

- added accuracy and minScore for text and object detection respectively

src/components/MachineLearning/MLFileDebugView.tsx

@@ -14,6 +14,7 @@ import {
 import { ibExtractFaceImageFromCrop } from 'utils/machineLearning/faceCrop';
 import { FaceCropsRow, FaceImagesRow, ImageBitmapView } from './ImageViews';
 import ssdMobileNetV2Service from 'services/machineLearning/ssdMobileNetV2Service';
+import { DEFAULT_ML_SYNC_CONFIG } from 'constants/machineLearning/config';
 
 interface MLFileDebugViewProps {
     file: File;
@@ -94,7 +95,8 @@ export default function MLFileDebugView(props: MLFileDebugViewProps) {
             console.log('detectedFaces: ', faceDetections.length);
 
             const objectDetections = await ssdMobileNetV2Service.detectObjects(
-                imageBitmap
+                imageBitmap,
+                DEFAULT_ML_SYNC_CONFIG.objectDetection.minScore
             );
             console.log('detectedObjects: ', objectDetections);
 

src/constants/machineLearning/config.ts

@@ -43,10 +43,14 @@ export const DEFAULT_ML_SYNC_CONFIG: MLSyncConfig = {
         // maxDistanceInsideCluster: 0.4,
         generateDebugInfo: true,
     },
-    ObjectDetection: {
+    objectDetection: {
         method: 'SSDMobileNetV2',
+        minScore: 0.2,
+    },
+    textDetection: {
+        method: 'Tesseract',
+        minAccuracy: 75,
     },
-    TextDetection: { method: 'Tesseract' },
     // tsne: {
     //     samples: 200,
     //     dim: 2,
@@ -66,3 +70,5 @@ export const ML_SYNC_DOWNLOAD_TIMEOUT_MS = 300000;
 export const MAX_FACE_DISTANCE_PERCENT = Math.sqrt(2) / 100;
 
 export const MAX_ML_SYNC_ERROR_COUNT = 4;
+
+export const ML_DETECTION_TIMEOUT_MS = 30000;

src/services/machineLearning/machineLearningFactory.ts

@@ -172,10 +172,10 @@ export class LocalMLSyncContext implements MLSyncContext {
         );
 
         this.objectDetectionService = MLFactory.getObjectDetectionService(
-            this.config.ObjectDetection.method
+            this.config.objectDetection.method
         );
         this.textDetectionService = MLFactory.getTextDetectionService(
-            this.config.TextDetection.method
+            this.config.textDetection.method
         );
 
         this.outOfSyncFiles = [];

src/services/machineLearning/machineLearningService.ts

@@ -25,11 +25,15 @@ import { MLFactory } from './machineLearningFactory';
 import mlIDbStorage from 'utils/storage/mlIDbStorage';
 import { getMLSyncConfig } from 'utils/machineLearning/config';
 import { CustomError, parseServerError } from 'utils/error';
-import { MAX_ML_SYNC_ERROR_COUNT } from 'constants/machineLearning/config';
+import {
+    MAX_ML_SYNC_ERROR_COUNT,
+    ML_DETECTION_TIMEOUT_MS,
+} from 'constants/machineLearning/config';
 import FaceService from './faceService';
 import PeopleService from './peopleService';
 import ObjectService from './objectService';
 import TextService from './textService';
+import { promiseWithTimeout } from 'utils/common/promiseTimeout';
 class MachineLearningService {
     private initialized = false;
     // private faceDetectionService: FaceDetectionService;
@@ -382,7 +386,9 @@ class MachineLearningService {
         localFile?: globalThis.File
     ) {
         const fileContext: MLSyncFileContext = { enteFile, localFile };
-        fileContext.oldMlFile = await this.getMLFileData(enteFile.id);
+        const oldMlFile = (fileContext.oldMlFile = await this.getMLFileData(
+            enteFile.id
+        ));
         if (
             fileContext.oldMlFile?.mlVersion === syncContext.config.mlVersion
             // TODO: reset mlversion of all files when user changes image source
@@ -396,25 +402,39 @@ class MachineLearningService {
         } else if (fileContext.oldMlFile?.mlVersion) {
             newMlFile.mlVersion = fileContext.oldMlFile.mlVersion;
         }
-
+        try {
             await FaceService.syncFileFaceDetections(syncContext, fileContext);
 
             if (newMlFile.faces && newMlFile.faces.length > 0) {
                 await FaceService.syncFileFaceCrops(syncContext, fileContext);
 
-            await FaceService.syncFileFaceAlignments(syncContext, fileContext);
+                await FaceService.syncFileFaceAlignments(
+                    syncContext,
+                    fileContext
+                );
 
-            await FaceService.syncFileFaceEmbeddings(syncContext, fileContext);
+                await FaceService.syncFileFaceEmbeddings(
+                    syncContext,
+                    fileContext
+                );
             }
 
-        await ObjectService.syncFileObjectDetections(syncContext, fileContext);
-
-        await TextService.syncFileTextDetections(syncContext, fileContext);
+            await ObjectService.syncFileObjectDetections(
+                syncContext,
+                fileContext
+            );
 
+            await promiseWithTimeout(
+                TextService.syncFileTextDetections(syncContext, fileContext),
+                ML_DETECTION_TIMEOUT_MS
+            );
+        } catch (e) {
+            newMlFile.mlVersion = oldMlFile.mlVersion;
+            throw e;
+        } finally {
             fileContext.tfImage && fileContext.tfImage.dispose();
             fileContext.imageBitmap && fileContext.imageBitmap.close();
             // console.log('8 TF Memory stats: ', tf.memory());
-
             newMlFile.errorCount = 0;
             newMlFile.lastErrorMessage = undefined;
             await this.persistMLFileData(syncContext, newMlFile);
@@ -424,6 +444,7 @@ class MachineLearningService {
             //     fileContext.oldMlFile,
             //     fileContext.newMlFile
             // );
+        }
 
         return newMlFile;
     }

src/services/machineLearning/objectService.ts

@@ -40,7 +40,10 @@ class ObjectService {
             fileContext
         );
         const objectDetections =
-            await syncContext.objectDetectionService.detectObjects(imageBitmap);
+            await syncContext.objectDetectionService.detectObjects(
+                imageBitmap,
+                syncContext.config.objectDetection.minScore
+            );
         // console.log('3 TF Memory stats: ', tf.memory());
         // TODO: reenable faces filtering based on width
         const detectedObjects = objectDetections?.map((detection) => {

src/services/machineLearning/ssdMobileNetV2Service.ts

@@ -40,10 +40,17 @@ class SSDMobileNetV2 implements ObjectDetectionService {
         return this.ssdMobileNetV2Model;
     }
 
-    public async detectObjects(image: ImageBitmap): Promise<ObjectDetection[]> {
+    public async detectObjects(
+        image: ImageBitmap,
+        minScore?: number
+    ): Promise<ObjectDetection[]> {
         const ssdMobileNetV2Model = await this.getSSDMobileNetV2Model();
         const tfImage = tf.browser.fromPixels(image);
-        const detections = await ssdMobileNetV2Model.detect(tfImage);
+        const detections = await ssdMobileNetV2Model.detect(
+            tfImage,
+            undefined,
+            minScore
+        );
         return detections;
     }
 

src/services/machineLearning/textService.ts

@@ -42,12 +42,15 @@ class TextService {
                 )
             );
 
-        const detectedText: DetectedText[] = textDetections.data.words.map(
-            ({ bbox, confidence, text }) => ({
+        const detectedText: DetectedText[] = textDetections.data.words
+            .filter(
+                ({ confidence }) =>
+                    confidence >= syncContext.config.textDetection.minAccuracy
+            )
+            .map(({ bbox, confidence, text }) => ({
                 fileID: fileContext.enteFile.id,
                 detection: { bbox, confidence, word: text },
-            })
-        );
+            }));
         newMlFile.text = detectedText;
         console.log(
             '[MLService] Detected text: ',

src/types/machineLearning/index.ts

@@ -246,10 +246,12 @@ export interface FaceDetectionConfig {
 
 export interface ObjectDetectionConfig {
     method: ObjectDetectionMethod;
+    minScore: number;
 }
 
 export interface TextDetectionConfig {
     method: TextDetectionMethod;
+    minAccuracy: number;
 }
 
 export interface FaceCropConfig {
@@ -295,8 +297,8 @@ export interface MLSyncConfig extends Config {
     faceAlignment: FaceAlignmentConfig;
     faceEmbedding: FaceEmbeddingConfig;
     faceClustering: FaceClusteringConfig;
-    ObjectDetection: ObjectDetectionConfig;
-    TextDetection: TextDetectionConfig;
+    objectDetection: ObjectDetectionConfig;
+    textDetection: TextDetectionConfig;
     tsne?: TSNEConfig;
     mlVersion: number;
 }
@@ -378,7 +380,10 @@ export interface FaceDetectionService {
 export interface ObjectDetectionService {
     method: Versioned<ObjectDetectionMethod>;
     // init(): Promise<void>;
-    detectObjects(image: ImageBitmap): Promise<ObjectDetection[]>;
+    detectObjects(
+        image: ImageBitmap,
+        minScore?: number
+    ): Promise<ObjectDetection[]>;
     dispose(): Promise<void>;
 }
 

src/utils/common/promiseTimeout.ts

@@ -0,0 +1,14 @@
+import { CustomError } from 'utils/error';
+
+export const promiseWithTimeout = async (
+    request: Promise<any>,
+    timeout: number
+) => {
+    const rejectOnTimeout = new Promise((_, reject) => {
+        setTimeout(
+            () => reject(Error(CustomError.WAIT_TIME_EXCEEDED)),
+            timeout
+        );
+    });
+    await Promise.race([request, rejectOnTimeout]);
+};