Remove white background while using saveas command

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Anna Malai
Anna Malai 2016-3-10
回答： Ahmet Cecen 2016-3-10
Iam doing face recognition and automatic attendance i used crop command to crop only the faces after detecting. But how can i save the image without white background because in order to get mean image i should get rid of the white background

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Ahmet Cecen
Ahmet Cecen 2016-3-10

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