Interblock redundancy reduction using QUADTREES
Marcos Faundez-Zanuy, Xavi Domingo-Reguant
TL;DR
This paper introduces a quadtree-based method for adaptive block size reduction in image coding, enhancing compression efficiency without significantly increasing computational time, applicable to various coding schemes.
Contribution
It presents a novel application of quadtrees for interblock redundancy reduction in image coding, improving compression ratios while maintaining computational efficiency.
Findings
Improved compression ratios achieved with quadtree adaptation.
No significant increase in computational time.
Effective application to block truncation coding and motion vector coding.
Abstract
This paper applies the quadtree structure for image coding. The goal is to adapt the block size and thus to increase the compression ratio (without reducing SNR). Also, the computational time is not significatively increased. It has been applied to Block Truncation Coding of still images, and motion vector coding (interframe). An inter/intraframe application is also discussed.
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Taxonomy
TopicsAdvanced Data Compression Techniques · Video Coding and Compression Technologies · Image and Signal Denoising Methods