Lanczos resampling - Wikipedia, the free encyclopedia

Lanczos resampling

Lanczos resampling (aka Lanczos2 and Lanczos3) is the use of a windowed sinc function as a convolution kernel for image resampling. Currently it is one of the best digital image resizing kernels.

Optimizing Image Processing With vImage

Optimizing Image Processing With vImage

vImage is Apple’s image processing framework. It includes high-level functions for image manipulation—convolutions, geometric transformations, histogram operations, morphological transformations, and alpha compositing—as well as utility functions for format conversions and other operations.

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