Distributed Source Coding by Wang Shuang & Fang Yong & Cheng Samuel

Author:Wang, Shuang & Fang, Yong & Cheng, Samuel
Language: eng
Format: epub
ISBN: 9781118705988
Publisher: Wiley
Published: 2017-01-05T00:00:00+00:00

Variance computation: according to the variance definition of a random variable , where is the expectation operator, the variance at different granularity levels can be obtained by averaging the variance on the corresponding levels: Frame level: all the samples in each frame are characterized by the same variance. The estimated variance of the residual frame is 9.16

Block level: all the samples in each block of the frame have the same variance. First, the residual frame th block can be obtained as 9.17

Then the averaged variance of the frame th block is

9.18

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