what threshold values should be set to detect edges in a fire image?i have normalized the values to the range [0 1].Please help me in setting appropriate low and high threshold..

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kavitharani
kavitharani 2013 年 2 月 15 日
I am working on fire and flame images...i have found the gradient of the images after normalizing their grayscale values.
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Walter Roberson
Walter Roberson 2013 年 2 月 15 日
It is not clear to me that fire has well-defined edges, or that the edges would be in the visible spectrum.
Image Analyst
Image Analyst 2013 年 2 月 15 日
I'm sure it will be a continuum. We'll see once the image is posted. You'll probably just have to make some arbitrary judgment call as to what an edge is.

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