Comprehensive Review and Comparative Analysis of Hardware Architectures for Sobel Edge Detector

Table 2

Performance comparison.

Architecture	Frequency; (MHz)	Frame rate for PAL; video 720×576	Frame rate for CIF; video 352×288
I	137.339 MHz	165 fps	667 fps
II	284.297 MHz	342 fps	1402 fps
III	117.696 MHz	283 fps	1160 fps
IV	350.214 MHz	844 fps	3454 fps