Update app.py

app.py

@@ -872,7 +872,7 @@ def drawAllContours(green2,img,number,finalColorArray,num1,num2,flag):
           cv2.drawContours(imgArea1, [contour], 0, (0, 0, 255), 4)
 
   
-  alpha = 0.6  # Transparency factor.
+  alpha = 0.4  # Transparency factor.
   image_new1 = cv2.addWeighted(imgArea1, alpha,  imgtransparent1, 1 - alpha, 0)
   # if flag=='area':
   #   cv2_imshow(image_new1)