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Saving High Quality Image

In my Android-OpenCV application, I am saving the Image with ".JPG" extention. the resolution is ok but quality is not good and the image is not sharp enough for processing.

It is the format of saved matrix as image : Mat(height, width, CvType.CV_32FC4)

Can I save them with better quality? If no!! does anybody have idea to make the image more shorp with better quality?

Thanks

Saving High Quality Image

In my Android-OpenCV application, I am saving the Image with ".JPG" extention. the resolution is ok they are 1056-by-704 and are acceptable but quality is not good and the image is not sharp enough for processing.

It is the format of saved matrix as image : Mat(height, width, CvType.CV_32FC4)

Can I save them with better quality? If no!! does anybody have idea to make the image more shorp with better quality?

Thanks