Product code optimization for determinate state LDPC decoding in robust image transmission

Abstract

Abstract-We propose a novel scheme for error-resilient image transmission. The proposed scheme employs a product coder consisting of low-density parity check (LDPC) codes and Reed-Solomon codes in order to deal effectively with bit errors. The efficiency of the proposed scheme is based on the exploitation of determinate symbols in Tanner graph decoding of LDPC codes and a novel product code optimization technique based on error estimation. Experimental evaluation demonstrates the superiority of the proposed system in comparison to recent state-of-the-art techniques for image transmission.

A Survey of Energy-Efficient Compression and Communication Techniques for Multimedia in Resource Constrained Systems

“…Rate-Compatible Low-Density Parity Check (RCLDPC) code is another popular channel code used in this optimization problem [58][59][60]. It has some advantages over RCPC code, namely 1) it is parallelizable and can be realized at much faster speed than the turbo decoder and 2) almost all the errors are detectable.…”

Comments on “Iterative Channel Decoding of FEC-Based Multiple-Description Codes”

“…The method in [2] used LDPC codes combined with CRC codes in the horizontal direction and RS codes in the vertical direction. The method in [2] applied iterative decoding and exploited the fact that symbols recovered through RS decoding in the vertical direction can be used as determinate (known) bits during horizontal LDPC decoding (and vice versa).…”

“…The method in [2] applied iterative decoding and exploited the fact that symbols recovered through RS decoding in the vertical direction can be used as determinate (known) bits during horizontal LDPC decoding (and vice versa). An early work based on product codes that combined turbo codes and RS codes for wireless image transmission appeared in [3].…”

“…In this correspondence, we clarify that the employed outer interleaver in [1] was previously introduced in [2], which the authors of [1] were not aware of. The contributions of [1] and [2] are discussed in Section II.…”

An efficient optimisation scheme for scalable surveillance centric video communications

“…The joint source-channel coding (JSCC) [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21] approach emerges as the model to overcome the underlying problems. Here, JSCC consists of three basic aspects:…”