EFFICIENT ENCODING METHOD BASED ON MACROBLOCK ENCODED INFORMATION FOR MULTI-VIEW VIDEO CODING

Multi-view video coding (MVC) is key computer application technology for three-dimension (3D) video information systems. To provide a more natural and live visual experience environment in immersion, it requires a great reduction of computational complexity to realise the application in 3D environment. This paper proposes an efficient encoding algorithm for MVC through utilising macroblock (MB) encoded information, and it includes early Direct mode decision, Disparity estimation (DE) skipping and the reduction of the modes required to be checked. First, a fast Direct mode decision method is proposed to terminate early the mode decision process. If this early termination condition is not met, disparity estimation skipping is adopted based on motion complexity by using vectors correlation to skip the unnecessary checking process of time-consuming DE. Otherwise, a fast inter mode decision method based on motion complexity is applied to all the prediction modes to exclude the unlikely mode sizes required to be checked and speed up the encoding process. Experimental results have shown that the proposed algorithm can significantly reduce the computational complexity while keeping a negligible loss of Rate-distortion (RD) performance, compared with the full mode decision in the reference software of MVC.