Update WaterFlowCountersRecognition.py

WaterFlowCountersRecognition.py

@@ -149,8 +149,8 @@ class WaterFlowCounter(datasets.GeneratorBasedBuilder):
                         y_min = min(all_y)
                         x_max = max(all_x)
                         y_max = max(all_y)
-                        p_width = x_max - x_min
-                        p_height = y_max - y_min
+                        p_width = x_max - x_min - 1 
+                        p_height = y_max - y_min - 1
                         bbox = [x_min, y_min, p_width, p_height ]
                         area = p_width * p_height
                         segmentation = list(zip(all_x, all_y))