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Table 4 Comparison of number of rounding operations in each one-dimensional transform of M × 1 signals

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

 

Conventional FLTs

Proposed FLTs

8 × 16 FLOT

72

36

8 × 16 FLBT

84

48

16 × 32 FLOT

240

90

16 × 32 FLBT

264

114