Abstract: In order to reduce the energy consumption in resource-constrained homogeneous camera wireless multimedia sensor networks(WMSNs)， the visual correlation algorithm was developed and a novel fully distributed energy conservation strategy based on the developed visual correlation algorithm was proposed. Firstly， the visual correlation vector was calculated by the visual correlation algorithm. Then， the competition chips were obtained by applying the visual correlation vector， thus the role of camera was determined. After that， two parallel and interactive operations were executed: the cluster head nodes determine its own next-hop and establish the route according to the weight vector; the non-cluster head nodes obtain its own cluster ID by calculating the intimacy vector. Finally， experimental results demonstrate that the proposed strategy can effectively prolong the network lifetime in resource-constrained wireless multimedia sensor networks.

Key words: visual correlation, wireless multimedia sensor networks(WMSNs), fully distributed, energy conservation strategy, overlapped FoV(field of view)