Update app.py

app.py

@@ -150,13 +150,15 @@ def remove_bg(fl):
     element = cv2.getStructuringElement(cv2.MORPH_RECT, (2*b+1, 2*b+1), (b,b))
     frame_ = cv2.erode(cv2.dilate(frame_, element), element)
 
+    
     #correct hue against light
     bg_gray = cv2.cvtColor(cv2.cvtColor(bg, cv2.COLOR_BGR2GRAY), cv2.COLOR_GRAY2BGR)
     bg_diff = (bg-bg_gray).astype(np.int16)
     frame_c = (frame.astype(np.int16)-bg_diff).astype(np.uint8)
+
     
     #remove regions of low saturation and lightness (get scene without shadow)
-    m = cv2.inRange(cv2.cvtColor(frame_c, cv2.COLOR_RGB2HSV), np.array([0,0,0]), np.array([180,32,127]))
+    m = cv2.inRange(cv2.cvtColor(frame_c, cv2.COLOR_RGB2HSV), np.array([0,0,0]), np.array([180,32,64]))
     frame[m>0] = (127,127,127)
     frame = cv2.medianBlur(frame, b)