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search for a function for ROI processing........

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annna

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Hi all,

I want to locate all the portions in an image that are of white color.... I just want to know that is there a function in matlab which takes input a level and returns us the value of pixels that contain values higher than that level. If there is any other way to do this please let me know.....

thanks..........
 

Unless works with a compiled function, this can be achieved directly at the array wich represents the image, throught a threshold function.

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Actually I want to locate the position of a white object in an image.... How can I do that any suggestions.....
 

Would help to answer, if you inform what programming language or library you are using.


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I am using MATLAB image processing toolbox...........
 

If all that objects have some standardized pattern, you could to use the 2D correlation function, and get the maximum values, wich represents places where are located those objects.
 

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