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Table 1 Comparisons of coding gain of the ideal FLTs and the proposed IntFLTs (dB)

From: Integer fast lapped transforms based on direct-lifting of DCTs for lossy-to-lossless image coding

 

Ideal FLTs

Proposed FLTs

8 × 16 FLOT

9.2189

9.2189

8 × 16 FLBT

9.4475

9.4475

16 × 32 FLOT

9.7593

9.7593

16 × 32 FLBT

9.8455

9.8455