A Fast DCT Algorithm for Watermarking in Digital Signal Processor

Table 2

Processing time of the FDCT algorithm in DSP.

Optimization level ()	Clocks (cycle)	Time (ms)	Code size (KB)
None	22,141,816	133	21
0	15,304,558	92	19
1	11,207,925	67	22
2	5,715,198	35	36
3	5,653,914	34	35
Matlab	NA	610	NA