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This topic created in 4731 days ago, the information mentioned may be changed or developed.
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jjplay Jun 24, 2013
我用ACDsee 打开一些本事是横着人像的图片 也会自动旋转，很智能 难道是通过openCV人脸识别 然后旋转？ 不解，求答案
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timonwong Jun 24, 2013  1
查看一下EXIF信息，看看有没有 Orientation
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ayang23 OP @timonwong 果然这里有情况 Mac的预览程序详情显示 方向 6（逆时针旋转90℃）；ImageMagick identify 结果：exif:Orientation: 6 。看来得改缩略图算法，搜了一下，参考：
http://stackoverflow.com/questions/1606587/how-to-use-pil-to-resize-and-apply-rotation-exif-information-to-the-file?rq=1 http://stackoverflow.com/questions/4029353/how-can-i-restore-exif-data-after-resizing-an-image-with-pil?rq=1 |
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