Encoder rate control for transform domain Wyner-Ziv Video Coding

In Distributed Video Coding (DVC) the encoder compresses frames at source rates that rely on the statistical dependency involving the Wyner-Ziv (WZ) and side information frames. A significant issue that individuals address in this paper provides the encoder with a mechanism to spot the origin rate to be found in encoding a WZ frame. One possible solution is to check out a feedback approach; the encoder starts by sending a tiny amount of data (low source rate). Just in case the decoder fails to recuperate the compressed frame, it offers the encoder with a feedback requesting more bits. This solution results in using source rates which can be ideal in the sense that they´re the minimal rates that cause successful decoding. Nevertheless, this solution mightn´t be practical for visual sensor networks as it can exhaust limited bandwidth and energy resources. To fix these problems, we propose a book encoder rate control (ERC) algorithm for Transform-domain distributed video (TDDV) coder without feedback channel at the price of slightly increased encoder complexity. The experiment results reveal that the performance obtained using our ERC algorithm can be compared to that obtained utilizing the decoder rate control (DRC) algorithm.