Blockiness in a raw video

3 次查看（过去 30 天）
ram m
ram m 2012-1-25
hi
I have a paper calculating blockinesss in a raw video, My question is does blockiness exits in a raw video? because I have read it occurs after encoding using DCT and decoding it using some codec.
Thanks Ram

请先登录，再回答此问题。

回答（1 个）

Walter Roberson
Walter Roberson 2012-1-25
Blockiness does occur in raw video, even in "high resolution".
Consider the "stair-case effect".
A sensor pixel is always a particular value for the entire pixel, so edges and curves can get "spread out" in blocky ways.

类别

在 Help Center 和 File Exchange 中查找有关 Video Formats and Interfaces 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by