Perceptual image coding and transcoding with subband discrete cosine transform
Ee Leng Tan · 2011
Performance Comparison of PICs 4.4 Conclusions Chapter 5 Perceptual Image Transcoding with SBDCT 5.1 Spatial Relationship of DCT-II Coefficients Between a Block and its Sub-Blocks 5.1.1Generalization of Symmetry Property of Spatial Relationship of DCT-II Coefficients Between a Block and its Sub-Blocks 5.2 Image Transcoding Method to Resize Image 5.2.1 Resizing Images by a Rational Factor of P/Q 5.2.2 Reduction of Computational Cost By Sparse Matrix Representation 5.2.3 Reduction of Computational Cost Using a Sub-Set of Up-Sampled DCT-II Coefficients 5.3 Perceptual Image Transcoding 5.4 Results and Discussion 5.5 Conclusions Chapter 6 Conclusions and Future Works 6.1 Conclusions 6.