cover image

Chroma subsampling

Practice of encoding images / From Wikipedia, the free encyclopedia

Dear Wikiwand AI, let's keep it short by simply answering these key questions:

Can you list the top facts and stats about Chroma subsampling?

Summarize this article for a 10 year old

SHOW ALL QUESTIONS

Chroma subsampling is the practice of encoding images by implementing less resolution for chroma information than for luma information, taking advantage of the human visual system's lower acuity for color differences than for luminance.[1]

Common_chroma_subsampling_ratios.svg
Widely used chroma subsampling formats

It is used in many video and still image encoding schemes ā€“ both analog and digital ā€“ including in JPEG encoding.

Oops something went wrong: