main.py 文件源码

def extractOuterGrid(img):
        rows,cols = np.shape(img)
        maxArea = 0
        point = [0,0]

        imgOriginal = img.copy()
        for i in range(rows):
            for j in range(cols):
                if img[i][j] == 255:
                    img,area,dummy = customFloodFill(img,[i,j],100,0)
                    if area > maxArea:
                        maxArea = area
                        point = [i,j]

        img = imgOriginal
        img,area,dummy = customFloodFill(img,[point[0],point[1]],100,0) 
        for i in range(rows):
            for j in range(cols):
                if img[i][j] == 100:
                    img[i][j] = 255
                else: img[i][j] = 0
        return img,point

# Draws a line on the image given its parameters in normal form