Fix

app.py

@@ -71,6 +71,7 @@ async def detect_objects(file: UploadFile = File(...)):
 
         image_data = await file.read()
         image = cv2.imdecode(np.frombuffer(image_data, np.uint8), cv2.IMREAD_COLOR)
+        image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)  # <<< ADD THIS LINE
         if image is None:
             raise HTTPException(400, "Invalid image data")
 

inference.py

@@ -68,7 +68,7 @@ class ObjectDetector:
         original_shape: Tuple[int, int],
         scale: float,
         padding: Tuple[int, int],
-        conf_threshold: float = 0.5,
+        conf_threshold: float = 0.3,
         iou_threshold: float = 0.45
     ) -> List[Dict]:
         predictions = np.squeeze(predictions).T