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Doubt about homography matrix

asked 2015-02-04 11:55:22 -0600

Diego Moreira gravatar image

Hi everyone,

I am working with mosaic for an application, but i don't understand about homography matrix. I need understand for develop my application. I need learn a basic about homography matrix. Can you help me ?

Than you, everyone!

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answered 2015-02-04 13:48:48 -0600

Potato gravatar image

A homography matrix basically represents the relationship between two images that are on a planar surface.

Taking your image mosaic project as an example, say you have 2 images that you need to 'merge'. You need to find the homography relationships between the key-points of Image A with the key-points of Image B. After you get this relationship, you can then warp the images in order for them to successfully 'merge'.

This openCV example should explain it better -> http://docs.opencv.org/doc/tutorials/...

I have answered to the best of my knowledge, to the extent of what I personally understand. Hope I helped.

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Hello,

Thank you for answer !

Diego Moreira gravatar imageDiego Moreira ( 2015-02-05 07:52:45 -0600 )edit

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Asked: 2015-02-04 11:55:22 -0600

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Last updated: Feb 04 '15