Update app.py

app.py

@@ -6,9 +6,16 @@ import cv2
 
 def decode(im,col):
     img = cv2.imread(f'{im}')
+    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+    blur = cv2.medianBlur(gray, 5)
+    sharpen_kernel = np.array([[-1,-1,-1], [-1,9,-1], [-1,-1,-1]])
+    sharpen = cv2.filter2D(blur, -1, sharpen_kernel)
+    
+    
+
     try:
-        results = zxingcpp.read_barcodes(img)
-        return results[0].text,None
+        results = zxingcpp.read_barcodes(sharpen)
+        return results[0].text,sharpen
     except Exception:
     
         #qr_img=Image.open(im).convert("RGBA")