Optimize in time the image feature extractions algorithms#23

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hakim-cherif-mchp:optimize-image-preprocessing

Commits on Sep 6, 2024

Update image resize interpolation from INTER_AREA to INTER_NEAREST as INTER_NEAREST is much quicker on hardware not equipped with image processing IPs.
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Using Numpy arrays instead of lists as this is significantly quicker on some hardware platforms.
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Commits on Oct 25, 2024

Correct an error from if self.isGrayscale: to if is_grayscale:
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