python将图片旋转，颠倒，修改尺寸

            
              from
            
             PIL 
            
              import
            
            
               Image

            
            
              import
            
            
               os

            
            
              import
            
            
               os.path

rootdir 
            
            = r
            
              '
            
            
              G:\jianfeng\project\rubblish_det\faster_rcnn\rubbish_voc_xml\rubbish_pic_forTest\4396
            
            
              '
            
            
              #
            
            
               指明被遍历的文件夹
            
            
              for
            
             parent, dirnames, filenames 
            
              in
            
            
               os.walk(rootdir):
    
            
            
              for
            
             filename 
            
              in
            
            
               filenames:
        
            
            
              print
            
            (
            
              '
            
            
              parent is :
            
            
              '
            
             +
            
               parent)
        
            
            
              print
            
            (
            
              '
            
            
              filename is :
            
            
              '
            
             +
            
               filename)
        currentPath 
            
            =
            
               os.path.join(parent, filename)
        
            
            
              print
            
            (
            
              '
            
            
              the fulll name of the file is :
            
            
              '
            
             +
            
               currentPath)

        im 
            
            =
            
               Image.open(currentPath)
        
            
            
              #
            
            
              进行上下颠倒
            
            
        out =
            
               im.transpose(Image.FLIP_TOP_BOTTOM)
        
            
            
              #
            
            
              进行左右颠倒
            
            
        out =
            
              out.transpose(Image.FLIP_LEFT_RIGHT)
        
            
            
              #
            
            
               进行旋转90
            
            
        out =
            
               im.transpose(Image.ROTATE_90)
        
            
            
              #
            
            
               进行旋转180
            
            
        out =
            
               im.transpose(Image.ROTATE_180)
        
            
            
              #
            
            
               进行旋转270
            
            
        out =
            
               im.transpose(Image.ROTATE_270)
        
            
            
              #
            
            
              将图片重新设置尺寸
            
            
        out= out.resize((1280,720
            
              ))
        newname 
            
            = r
            
              "
            
            
              G:\jianfeng\project\rubblish_det\faster_rcnn\rubbish_voc_xml\rubbish_pic_forTest\4396_720
            
            
              "
            
             + 
            
              '
            
            
              \\
            
            
              '
            
             +
            
              "
            
            
              10t
            
            
              "
            
            +
            
               filename
        out.save(newname)