Faster Load Image #1664
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Faster Load Image #1664
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This PR changes Load Image to use PIL for JPEG images. This is around 10% than using OpenCV.
In order to implement this change, I also changed how Load Image works internally. It will now go through a list of decoders and use the image of the first decoder that succeeds in reading the image. This makes it easy to change the order of decoders and to add specialized decoders (e.g. use PIL but only for JPEGs).