使用python opencv对目录下图片进行去重的方法

#!/usr/bin/python# -*- coding: UTF-8 -*- import cv2import numpy as npimport 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  def main(argv): if len(argv) <= 1:  print "command error"  return -1 if os.path.exists(argv[1]) is False:  return -1 path = argv[1] ''' while True:  if cmpandremove(path) == 0:   break ''' cmpandremove(path) return 0   if __name__ == '__main__': main(sys.argv)

#!/bin/bashindir=$1addcount=0function intest(){  for file in $1/* do  echo $file  if test -d $file   then   ~/similar.py $file/   intest $file  fi done}intest $indir