Using Data Cursor to Draw an Area for Analysis

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Michael
Michael le 2 Sep 2011
Hi I need help using the Data cursor tool on an image. I need to get the index number for some hyperspectral images for data analysis but I need to be able to draw an Area and not just get the individual pixel information. Can someone explain to a new Matlab user (me) how to accomplish this?

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bym
bym le 3 Sep 2011
sounds like you want to designate a region of interest (ROI) which requires the image processing toolbox
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Walter Roberson
Walter Roberson le 3 Sep 2011
It shouldn't be difficult to create a simple ROI tool using ginput()
There are probably adaptable tools in the MATLAB File Exchange.

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