python

超轻量级php框架startmvc

python查找重复图片并删除(图片去重)

更新时间:2020-07-14 23:12 作者:startmvc
本文实例为大家分享了python查找重复图片并删除的具体代码,供大家参考,具体内容如下和

本文实例为大家分享了python查找重复图片并删除的具体代码,供大家参考,具体内容如下

和网络爬虫配套的,也可单独使用,从网上爬下来的图片重复太多,代码支持识别不同尺寸大小一致的图片,并把重复的图片删除,只保留第一份。


# -*- coding: utf-8 -*-
import cv2
import numpy as np
import os,sys,types

def cmpandremove2(path):
 dirs = os.listdir(path)
 dirs.sort()
 if len(dirs) <= 0:
 return
 dict={}
 for i in dirs:
 prepath = path + "/" + i
 preimg = cv2.imread(prepath)
 if type(preimg) is types.NoneType:
 continue
 preresize = cv2.resize(preimg, (8,8))
 pregray = cv2.cvtColor(preresize, cv2.COLOR_BGR2GRAY)
 premean = cv2.mean(pregray)[0]
 prearr = np.array(pregray.data)
 for j in range(0,len(prearr)):
 if prearr[j] >= premean:
 prearr[j] = 1
 else:
 prearr[j] = 0
 print "get", prepath
 dict[i] = prearr
 dictkeys = dict.keys()
 dictkeys.sort()
 index = 0
 while True:
 if index >= len(dictkeys):
 break
 curkey = dictkeys[index]
 dellist=[]
 print curkey
 index2 = index
 while True:
 if index2 >= len(dictkeys):
 break
 j = dictkeys[index2]
 if curkey == j:
 index2 = index2 + 1
 continue
 arr1 = dict[curkey]
 arr2 = dict[j]
 diff = 0
 for k in range(0,len(arr2)):
 if arr1[k] != arr2[k]:
 diff = diff + 1
 if diff <= 5:
 dellist.append(j)
 index2 = index2 + 1
 if len(dellist) > 0:
 for j in dellist:
 file = path + "/" + j
 print "remove", file
 os.remove(file)
 dict.pop(j)
 dictkeys = dict.keys()
 dictkeys.sort()
 index = index + 1


def cmpandremove(path):
 index = 0
 flag = 0
 dirs = os.listdir(path)
 dirs.sort()
 if len(dirs) <= 0:
 return 0
 while True:
 if index >= len(dirs):
 break
 prepath = path + dirs[index]
 print prepath
 index2 = 0
 preimg = cv2.imread(prepath)
 if type(preimg) is types.NoneType:
 index = index + 1
 continue
 preresize = cv2.resize(preimg, (8, 8))
 pregray = cv2.cvtColor(preresize, cv2.COLOR_BGR2GRAY)
 premean = cv2.mean(pregray)[0]
 prearr = np.array(pregray.data)
 for i in range(0, len(prearr)):
 if prearr[i] >= premean:
 prearr[i] = 1
 else:
 prearr[i] = 0
 removepath = []
 while True:
 if index2 >= len(dirs):
 break
 if index2 != index:
 curpath = path + dirs[index2]
 # print curpath
 curimg = cv2.imread(curpath)
 if type(curimg) is types.NoneType:
 index2 = index2 + 1
 continue
 curresize = cv2.resize(curimg, (8, 8))
 curgray = cv2.cvtColor(curresize, cv2.COLOR_BGR2GRAY)
 curmean = cv2.mean(curgray)[0]
 curarr = np.array(curgray.data)
 for i in range(0, len(curarr)):
 if curarr[i] >= curmean:
 curarr[i] = 1
 else:
 curarr[i] = 0
 diff = 0
 for i in range(0, len(curarr)):
 if curarr[i] != prearr[i]:
 diff = diff + 1
 if diff <= 5:
 print 'the same'
 removepath.append(curpath)
 flag = 1
 index2 = index2 + 1
 index = index + 1
 if len(removepath) > 0:
 for file in removepath:
 print "remove", file
 os.remove(file)
 dirs = os.listdir(path)
 dirs.sort()
 if len(dirs) <= 0:
 return 0
 # index = 0
 return flag


path = 'pics/'
cmpandremove(path)

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。