Abstract
In this paper, we introduce a new low complexity and lossless algorithm based on subband decomposition with the modified Hadamard transform (MHT) and adaptive Golomb-Rice (AGR) coding for display devices. The main goal of the proposed method is to reduce memory requirement for display devices. A basic unit of the proposed method is a line of the image so that the method is processed line by line. Also, MHT and AGR coding are utilized to achieve low complexity. The major improvement of the method is from the use of AGR and subband processing compared with exiting methods which are similar to the method in terms of complexity and applications. Simulation results show that the algorithm achieves a superior compression performance to the existing methods. In addition, the proposed method is hardware-friendly and could be easily implemented in any display devices.
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