Pingplotter sampleing menu7/30/2023 ![]() Images in webp format are 26% smaller compared to PNGs and also are 25-34% smaller than respective equivalent JPEG images. It is loss compression process uses the same methodology as VP8 (created by On2 technologies, which is a royalty-free video compression format) for estimating (video) frames. VP8 is based on block prediction & like any block-based codec. VP8 divides the frame into smaller segments called macroblocks. These macroblocks share the following 4 common intra-prediction modes : The image frame is “key” in the sense that it only uses the pixels already decoded in the immediate spatial neighborhood of each of the macroblocks & tries to recover the unknown parts and uniquely identify the macroblock.Within each macroblock, the encoder ( a process to convert data from one format to another, in this case, one image format like jpeg/png to webp) can predict redundant motion & color information based on previously processed macroblocks.You don’t have to remember every technical jargon associated with this technology. ![]()
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