Detrend img: Difference between revisions
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imported>Scott (New page: ===Purpose=== Detrends images. ===Synopsis=== :[dimg, params, fitsurf] = detrend_img(img, order) ===Description=== Removes a linear or quadratic trend from an image.''' '''Inputs are the i...) |
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Removes a linear or quadratic trend from an image.''' '''Inputs are the image to be detrended, (img), and the order''' '''of the polynomial to use in detrending, (order) which can be''' '''1, 2 or 3. Outputs are the detrended image (dimg), the parameters''' '''used to detrend (params) and the fitted surface (fitsurf)'''.''' | Removes a linear or quadratic trend from an image.''' '''Inputs are the image to be detrended, (img), and the order''' '''of the polynomial to use in detrending, (order) which can be''' '''1, 2 or 3. Outputs are the detrended image (dimg), the parameters''' '''used to detrend (params) and the fitted surface (fitsurf)'''.''' | ||
===See Also=== | ===See Also=== | ||
[[autocor_img]], [[fft_texture]], [[semivar]], [[svd_texture]], [[texture]] | |||
Latest revision as of 10:33, 29 October 2009
Purpose
Detrends images.
Synopsis
- [dimg, params, fitsurf] = detrend_img(img, order)
Description
Removes a linear or quadratic trend from an image. Inputs are the image to be detrended, (img), and the order of the polynomial to use in detrending, (order) which can be 1, 2 or 3. Outputs are the detrended image (dimg), the parameters used to detrend (params) and the fitted surface (fitsurf).