Improved edge detection sample #1051

Job	Run time
Ubuntu2004-ARM64-Debug / BuildContrib	10m 11s
Ubuntu2004-ARM64-Debug / BuildAndTest	1h 12m 4s
Ubuntu2004-x64-OpenVINO / BuildAndTest	18m 34s
Ubuntu2004-x64-CUDA / BuildAndTest	11m 19s
iOS / Build	12m 30s
macOS-ARM64 / BuildContrib	3m 21s
Android / BuildAndTest	58m 27s
macOS-ARM64 / BuildAndTest	14m 12s
macOS-x64 / BuildAndTest	27m 35s
macOS-x64 / BuildContrib	8m 0s
Ubuntu2004-x64 / BuildAndTest	42m 45s
Ubuntu2004-x64 / BuildContrib	10m 23s
docs / BuildAndTest	5m 38s
Linux-RISC-V-Clang / BuildAndTest	28m 37s
Linux-RISC-V-Clang / BuildContrib	1m 17s
Windows10-ARM64 / CrossBuild	9m 47s
Windows10-x64 / BuildAndTest	1h 4m 30s
Windows10-x64 / BuildContrib	20m 44s
TIM-VX / khadas-vim3-tests	0s
Ubuntu2004-ARM64 / BuildAndTest	45m 41s
TIM-VX / x86-simulator-build-test	29m 59s
Ubuntu2004-ARM64 / BuildContrib	17m 35s
Ubuntu2204-x64 / BuildAndTest	35m 24s
Ubuntu2204-x64 / BuildContrib	11m 17s
	9h 19m 50s

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