色彩深度color depth)係指部電腦用幾多個位元嚟表示一粒像素色水。一般嚟講,一幅圖像嘅色彩深度愈高,啲色水就會愈迫真[1]

  1. G.J. Sullivan; Heiko Schwarz; Thiow Keng Tan; Thomas Wiegand (August 22, 2012). "Comparison of the Coding Efficiency of Video Coding Standards – Including High Efficiency Video Coding (HEVC)" (PDF). IEEE Trans. on Circuits and Systems for Video Technology.