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# Deal with .seq format for video sequence # Author: Kaij # The .seq file is combined with images, # so I split the file into several images with the image prefix # "\xFF\xD8\xFF\xE0\x00\x10\x4A\x46\x49\x46". import
os.path import
fnmatch import
shutil def
open_save( file ,savepath): # read .seq file, and save the images into the savepath f =
open ( file , ‘rb‘ ) string =
str (f.read()) splitstring =
"\xFF\xD8\xFF\xE0\x00\x10\x4A\x46\x49\x46" # split .seq file into segment with the image prefix strlist = string.split(splitstring) f.close() count =
0 # delete the image folder path if it exists if
os.path.exists(savepath): shutil.rmtree(savepath) # create the image folder path if
not os.path.exists(savepath): os.mkdir(savepath) # deal with file segment, every segment is an image except the first one for
img in
strlist: filename =
str (count) + ‘.jpg‘ filenamewithpath = os.path.join(savepath, filename) # abandon the first one, which is filled with .seq header if
count > 0 : i = open (filenamewithpath, ‘wb+‘ ) i.write(splitstring) i.write(img) i.close() count + =
1 if __name__ = = "__main__" : rootdir =
"D:\\Data\\feifei" # walk in the rootdir, take down the .seq filename and filepath for
parent, dirnames, filenames in
os.walk(rootdir): for
filename in
filenames: # check .seq file with suffix if
fnmatch.fnmatch(filename, ‘*.seq‘ ): # take down the filename with path of .seq file thefilename =
os.path.join(parent, filename) # create the image folder by combining .seq file path with .seq filename thesavepath =
parent + ‘\\‘+filename.split(‘ .‘)[ 0 ] print
"Filename=" +
thefilename print
"Savepath=" +
thesavepath open_save(thefilename,thesavepath) |
先贴出代码,最近做实验要用到加州理工的行人数据库,下载一看,是把图像按照二进制数据形式存储为.seq文件,没办法,找到一个哥们写的用python处理seq文件,将数据转换为.jpg图像。代码直接可用,只需要把文件搜索目录“rootdir”改为你自己文件的目录就OK了
原文:http://www.cnblogs.com/zcftech/p/3641429.html