Zigzag is a phase after DCT+quantization where you iterate through the resulting matrix in a particular order. Nothing to do with the DCT itself. https://commo

Zigzag is a phase after DCT+quantization where you iterate through the resulting matrix in a particular order. Nothing to do with the DCT itself. https://commons.wikimedia.org/wiki/File:JPEG_example_zigzag.png https://commons.wikimedia.org/wiki/File:JPEG_example_zigzag....