def vertical(img, threashold, outDir):
'''
:param img:
:param threashold: 阀值
:param outDir: 保存位置
:return:
'''
w, h = img.size
pixdata = img.load()
x_array = []
startX = 0
endX = 0
for x in range(w):
b_count = 0
for y in range(h):
if pixdata[x, y] <= threashold:
b_count += 1
if b_count > 0:
if startX == 0:
startX = x
elif b_count == 0:
if startX != 0:
endX = x
x_array.append({'startX':startX, 'endX':endX})
startX = 0
endX = 0
for i, item in enumerate(x_array):
box = (item['startX'], 0, item['endX'], h)
img.crop(box).save(outDir + str(i) + ".png")img = Image.open(‘out/51.png’)
vertical(img, 30, ‘out1/’)
