File:DCT of a sharp edge.png

DCT_of_a_sharp_edge.png(738 × 258 pixels, file size: 4 KB, MIME type: image/png)

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Description
English: Sharp features are a traditional problem for DCT-based codecs as they do not compact well, if at all. Here we see a sharp edge (left) and its DCT transform coefficients (right). The energy of the original edge is spread through the DCT output in a directional rippling pattern.
Date
Source https://hacks.mozilla.org/2018/06/av1-next-generation-video-the-constrained-directional-enhancement-filter/
Author Christopher Montgomery

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Date/TimeThumbnailDimensionsUserComment
current19:07, 16 July 2018Thumbnail for version as of 19:07, 16 July 2018738 × 258 (4 KB)Flugaal (talk | contribs)User created page with UploadWizard