Distributed image coding in wireless multimedia sensor networks: A survey

There are a large number of video data have to be processed and transmitted in resource-constrained wireless multimedia sensor networks (WMSN). One possible way of achieving maximum utilization of those resources is to apply an adaptive image coding scheme, which must consider the trade-off between energy consumption and image quality. The the major research challenges and objectives of image coding for WMSN are discussed. Distributed image coding schemes especially designed for WMSN and some theoretical explorations are investigated and classified, including Wyner-Ziv coding and collaborative coding.