Resize with Pillow to avoid downsampling artifacts

[Dipet]

OpenCV doesn't use antialiasing when downsampling images. It would be nice if we will add an option with support for resizing with Pillow. More info:

• arxiv
• twitter discussion
• ODS discussion

[zakajd]

There is a separate GitHub repo dedicated to this problem (and working solution!): https://github.com/assafshocher/ResizeRight

[fabiofumarola]

Yes, but still the results are different between PILLOW, OpenCV and ResizeRight. If it ok I'll work on an update to let the resize using PILLOW or OpenCV based on a parameter