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Image Processing (ICIP), 2014 IEEE International Conference on

Contribution To Book Anthology

Abstract 

This paper proposes a new wavelet-based system for fixed-rate texture compression in 3D graphics applications. An analysis of the optimized quantization of the wavelet subbands is carried out, focusing on Lloyd-Max quantization of subband blocks as well as on quantization techniques employed in existing texture compression formats on GPUs. The results demonstrate that the proposed compression technique yields higher performance compared to existing GPU texture compression schemes and previously proposed transformed-based systems. Moreover, compared to conventional schemes, the wide range of quantization schemes results in a much wider range of available bitrates. Additionally, the proposed scheme offers real-time execution, being suitable for real time rendering applications.

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