Change Object Detector to display the class name: object id, instea…

…d of the confidence score. This is way more useful, so you can find the object in the properties menu. Also, output the visible class names as well, so the property editor can display them in a context menu.

src/effects/ObjectDetection.cpp

@@ -132,11 +132,10 @@ std::shared_ptr<Frame> ObjectDetection::GetFrame(std::shared_ptr<Frame> frame, i
                         if(display_text) {
                             // Draw text label above bounding box
                             // Get the confidence and classId for the current detection
-                            float conf = detections.confidences.at(i);
                             int classId = detections.classIds.at(i);
 
                             // Get the label for the class name and its confidence
-                            QString label = QString::number(conf, 'f', 2); // Format confidence to two decimal places
+                            QString label = QString::number(objectId);
                             if (!classNames.empty()) {
                                 label = QString::fromStdString(classNames[classId]) + ":" + label;
                             }
@@ -297,6 +296,7 @@ std::string ObjectDetection::GetVisibleObjects(int64_t frame_number) const{
 	Json::Value root;
 	root["visible_objects_index"] = Json::Value(Json::arrayValue);
 	root["visible_objects_id"] = Json::Value(Json::arrayValue);
+    root["visible_class_names"] = Json::Value(Json::arrayValue);
 
 	// Check if track data exists for the requested frame
 	if (detectionsData.find(frame_number) == detectionsData.end()){
@@ -311,11 +311,21 @@ std::string ObjectDetection::GetVisibleObjects(int64_t frame_number) const{
 			continue;
 		}
 
-		// Just display selected classes
-		if( display_classes.size() > 0 &&
-			std::find(display_classes.begin(), display_classes.end(), classNames[detections.classIds.at(i)]) == display_classes.end()){
-			continue;
-		}
+		// Get class name of tracked object
+        auto className = classNames[detections.classIds.at(i)];
+
+        // If display_classes is not empty, check if className is in it
+        if (!display_classes.empty()) {
+            auto it = std::find(display_classes.begin(), display_classes.end(), className);
+            if (it == display_classes.end()) {
+                // If not in display_classes, skip this detection
+                continue;
+            }
+            root["visible_class_names"].append(className);
+        } else {
+            // include all class names
+            root["visible_class_names"].append(className);
+        }
 
 		int objectId = detections.objectIds.at(i);
 		// Search for the object in the trackedObjects map