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sudo brew tap homebrew/sciencesudo brew install OpenCV |
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sudo brew update |
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__author__ = ‘River‘# -*- coding: utf-8 -*-import cv2,os,shutil,datetime,re,timefrom threading import Threadfrom hashlib import md5PICHASH= {}def md5_file(name): try: m = md5() a_file = open(name, ‘rb‘) m.update(a_file.read()) a_file.close() return m.hexdigest() except: return Nonedef nowater(dir,newdir,dirlist): global PICHASH for ppicdir in dirlist: if(os.path.isdir(dir+ppicdir)): sortfiles=os.listdir(dir+ppicdir) if ‘.DS_Store‘ in sortfiles: sortfiles.remove(‘.DS_Store‘) sortfiles.sort() for oldfile in sortfiles: filetype="."+oldfile.split(".")[len(oldfile.split("."))-1] picname_front=oldfile.split(filetype)[0] oldfile=dir+ppicdir+"/"+oldfile jpgname=picname_front+".jpg" jpgname=newdir+ppicdir+"/"+jpgname try: oldfile_hash=md5_file(oldfile) oldfile_tmphashvalue=PICHASH.get(oldfile_hash) file_object = open(‘pichash.txt‘, ‘a‘) file_object.write(oldfile+":"+oldfile_hash+‘\n‘) file_object.close() if(oldfile_tmphashvalue==None):#新文件,已经处理过的图片，就不会再次处理了 if not os.path.exists(newdir+ppicdir): os.makedirs(newdir+ppicdir) #print oldfile 哈哈 #print jpgname print datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")+","+oldfile+",ing\n" img=cv2.imread(oldfile) x,y,z=img.shape if x < 10:#太小文件不处理 print datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")+","+jpgname+"文件太小，跳过" elif x >8000:#太大的文件不处理 print datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")+","+jpgname+"文件太大，跳过" elif not os.path.exists(jpgname):#这就是最关键的代码了 for i in xrange(x): for j in xrange(y): varP=img[i,j] if sum(varP)>250 and sum(varP)<765 :#大于250，小于765（sum比白色的小） img[i,j]=[255,255,255] #cv2.imwrite(jpgname,img,[int(cv2.IMWRITE_JPEG_QUALITY),70])#linux跑悲剧了 cv2.imwrite(jpgname,img) print "jpgname:"+jpgname PICHASH[oldfile_hash]=oldfile print datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")+","+oldfile+",done\n" else: print datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")+","+jpgname+"文件已存在，跳过\n" elif(oldfile_tmphashvalue!=None): if(os.path.exists(jpgname)): print datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")+","+jpgname+"文件已存在，跳过\n" else: shutil.copyfile(oldfile_tmphashvalue,oldfile) shutil.copyfile(oldfile,jpgname) print datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")+","+jpgname+"和老文件一样，拷贝旧文件，跳过" except Exception,e: print "Exception:",e continueif __name__==‘__main__‘: dir="pic/" newdir="picnew/" list0=[] list1=[] list2=[] list3=[] list4=[] for ppicdir in os.listdir(dir) :#生成多个list，主要是为了并发处理多个目录的图片 if(os.path.isdir(dir+ppicdir)): if (re.compile(r‘^[0-1].*‘).match(str(ppicdir))): list0.append(ppicdir) elif(re.compile(r‘^[2-3].*‘).match(str(ppicdir))): list1.append(ppicdir) elif(re.compile(r‘^[4-5].*‘).match(str(ppicdir))): list2.append(ppicdir) elif(re.compile(r‘^[6-7].*‘).match(str(ppicdir))): list3.append(ppicdir) elif(re.compile(r‘^[8-9].*‘).match(str(ppicdir))): list4.append(ppicdir) else: continue #启n线程并行处理 Thread(target=nowater,args=(dir,newdir,list0)).start()#这里只有 Thread(target=nowater,args=(dir,newdir,list1,)).start() Thread(target=nowater,args=(dir,newdir,list2,)).start() Thread(target=nowater,args=(dir,newdir,list3,)).start() Thread(target=nowater,args=(dir,newdir,list4,)).start() |
原文：http://blog.csdn.net/androidmylove/article/details/41960111
