Image Compression: Difference between revisions
Created page with "Tricks used in image compression. Many of these are also used in video compression. ==Chroma Subsampling== Basically use YUV420 instead of YUV444 or RGB24 ==Discrete Cosine..." |
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Tricks used in image compression. Many of these are also used in video compression. | Tricks used in image compression. Many of these are also used in video compression. | ||
==Classical Methods== | |||
==Chroma Subsampling== | ===Chroma Subsampling=== | ||
Basically use YUV420 instead of YUV444 or RGB24 | Basically use YUV420 instead of YUV444 or RGB24 | ||
==Discrete Cosine Transform== | ===Discrete Cosine Transform=== | ||
==Quantization== | ===Quantization=== | ||
Quantization is approximating an infinite range number numbers using a finite set of discrete values. | Quantization is approximating an infinite range number numbers using a finite set of discrete values. | ||
==Neural Methods== | |||
==Resources== | ==Resources== | ||
Latest revision as of 15:33, 1 September 2021
Tricks used in image compression. Many of these are also used in video compression.
Classical Methods
Chroma Subsampling
Basically use YUV420 instead of YUV444 or RGB24
Discrete Cosine Transform
Quantization
Quantization is approximating an infinite range number numbers using a finite set of discrete values.