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  • 大小: 4KB
    文件類型: .py
    金幣: 1
    下載: 1 次
    發布日期: 2021-06-06
  • 語言: Python
  • 標簽: opencv??

資源簡介

自己弄得小程序,提取字符,省事省心,沒了,為啥不能免費

資源截圖

代碼片段和文件信息

import?numpy?as?np
import?cv2.cv2?as?cv
from?matplotlib?import?pyplot?as?plt
import?os
import?heapq

#?deal?the?image?with?binaryzation
def?thresh_binary(img):
????gray?=?cv.cvtColor(imgcv.COLOR_BGR2GRAY)
????blur?=?cv.GaussianBlur(gray?(9?9)?0)
????#?OTSU‘s?binaryzation
????(ret3?th3)?=?cv.threshold(blur100?255?cv.THRESH_OTSU)
????kernel?=?np.ones((2?2)?np.uint8)
????opening?=?cv.morphologyEx(th3?cv.MORPH_OPEN?kernel)

????#看看有幾個非零像素
????#?cl?=?opening.shape
????#?feiling?=?cv.countNonZero(opening)
????cv.namedWindow(“Image“0)
????cv.imshow(“Image“?opening)
????return?opening

#?sum?the?black?pixel?numbers?in?each?cols
def?hist_col(img):
????list=[]
????row?col?=?img.shape
????for?i?in?xrange(col):
????????list.append((img[:?i]?????return?list

def?cut_col(imgl):
????minlist?=?[]
????np_list?=?np.array(l)
????a?=?max(l)
????row?col?=?img.shape
????avg?=?col/8
????if(cv.countNonZero(img)?????????i?=?20
????????while?i?????????????if?i?>=?col?-?10:
????????????????if?np_list[i]?>?a?-?10?and?np_list[i]?>=?np_list[i+1:col].max():
????????????????????minlist.append(i)
????????????????????break
????????????????if?i?==?col?-?1:
????????????????????minlist.append(i)
????????????????????break
????????????else:
????????????????if?np_list[i]>a?-?20?and?np_list[i]?>=?np_list[i:i+10].max():
????????????????????minlist.append(i)
????????????????????i?+=?avg
????????????i?+=?1
????????return?minlistrow
????else:
????????pass


#切豎著的圖并接著處理
def?cut_img(imgminlistrow):
????colpics?=?[]
????for?j?in?xrange(len(minlist)-1):
????????cv.namedWindow(str(j)0)
????????cv.imshow(str(j)?img[0:row?minlist[j]+10:minlist[j+1]+10])
?????

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