background removal
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i have a pavement image with a crack. i would like to remove the background of that image.so that i can get a clear picture of the crack.I don't have the image of the pavement without crack.So,i cant use the subtract method to remove the background.Is there any other way to remove the background.can any one help me out.
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Image Analyst
le 3 Août 2011
You could just blur the heck out of it with conv2(). Or else use the image to model a perfectly smooth function, like a quadratic or something. I used polyfitn for this but John removed it from the File Exchange. Maybe you could try this instead: http://www.mathworks.com/matlabcentral/fileexchange/13719-2d-weighted-polynomial-fitting-and-evaluation
6 commentaires
Karan
le 16 Août 2012
Could you share what exactly you did because I have exactly the same problem. Thanks
Image Analyst
le 16 Août 2012
Where did you post your image? I think you should start your own thread on your own question and image.
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Ashish Uthama
le 3 Août 2011
You might also consider extracting the crack instead of removing the background :) What do you intend to do after you 'remove the background' ?
2 commentaires
Walter Roberson
le 3 Août 2011
We need a sample image.
http://www.mathworks.com/matlabcentral/answers/7924-where-can-i-upload-images-and-files-for-use-on-matlab-answers
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