is there an algorithm of matching based on intensity information

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bay rem
bay rem 2016-3-4
回答： Dima Lisin 2016-3-4
as i know aSURF ALGORITHM based only on position,i'd like to know ifthere is another algorithm of matching based on intensity information, thank yu

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回答（2 个）

Image Analyst
Image Analyst 2016-3-4
You could use normalized cross correlation. Demo is attached.
Dima Lisin
Dima Lisin 2016-3-4
Actually, you are not quite right. What you typically match are SURF descriptors, which are based on gradient orientation distribution around the SURF points. So when you match the SURF descriptors, you are using intensity information.

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