Update app.py

app.py

@@ -21,7 +21,8 @@ def inference(img):
   gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY ) # grayscale
   #out = cv2.adaptiveThreshold(gray,255,cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY,133,9)
   #out = cv2.adaptiveThreshold(gray,255,cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY,333,3)
-  out = cv2.adaptiveThreshold(gray,255,cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY,21,1)
+  out = cv.GaussianBlur( gray ,(5,5),0)
+  out = cv2.adaptiveThreshold( out ,255,cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY,121,1)
   #out = cv2.dilate(out,(5,5))
   #out = blur = cv.GaussianBlur(img,(5,5),0)
   #out =  cv2.threshold(out,0,255,cv2.THRESH_BINARY+cv2.THRESH_OTSU)