Harris Corner Detection&image Matching

理解图像特征
understand image feature
So now we answered our question,

“what are these features?”.
But next question arises. How do we find them?
Or how do we find the corners?.

Some corners of the building can be easily found out. Because at corners, wherever you move this patch, it will look different. So they can be considered as a good feature. So now we move into more simpler (and widely used image) for better understanding.
That also we answered in an intuitive way, i.e., look for the regions in images which have maximum variation when moved (by a small amount) in all regions around it.

So finding these image features is called Feature Detection.

Harris Corner Detection

Image Matching

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