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Variable control for sobel edge detection
Dawson from Malaysia  [173 posts]
4 years
Hi Steven,

I find the option to adjust the sobel edge detection based on edge strength very useful. Is it possible to have a variable to control what strength of edges is to be detected. For example in my case, in normal lighting the medium setting works best but in low light conditions the low setting works best. I will most probably use the mean intensity value (from color statistics) where if this value is above 80 i will set the sobel edge at medium and if it is below 80 i will use the low setting.
Steven Gentner from United States  [1370 posts] 4 years
Dawson,

You can probably use the normalization module after the low setting sobel to get the values to be appropriate. The setting in that module is largely for human visualization.

STeven.

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