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Discussion Groups | Image Signal Processing | xray image processing
Technical Discussions related to Image Processing (image coding, compression, digital effects, mpeg, etc)
xray image processing - zeeshan shakir - Jul 4 6:27:00 2001
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hi there all any one there is working on xray image processing. i need image subtaction algorithm in matlab. smiles zeeshan __________________________________________________ |
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Re: xray image processing - Vinod Pathangay - Jul 4 16:21:00 2001
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shakir: jus subtract the arrays and normalize the values for the display range.... like... A = imread('file1.jpg'); B = imread('file2.jpg'); Im assuming A & B are of same dimensions result = double(A)- double(B); then normalize result for diplaying... --vinod On Tue, 3 Jul 2001, zeeshan shakir wrote: > hi there all > > any one there is working on xray image processing. > i need image subtaction algorithm in matlab. > > smiles > zeeshan |
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Re: xray image processing - Jeff Brower - Jul 5 2:28:00 2001
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Shakir- Or exclusive-or (XOR) the data, which might handle color/gray values and avoid the normalization step. Any pixels in the 2 images that are the same will become zero. Jeff Brower Signalogic On Wed, 4 Jul 2001, Vinod Pathangay <> wrote: > >shakir: > >jus subtract the arrays and normalize the values for the display range.... > >like... > >A = imread('file1.jpg'); >B = imread('file2.jpg'); > >Im assuming A & B are of same dimensions > >result = double(A)- double(B); > >then normalize result for diplaying... >--vinod > > >On Tue, 3 Jul 2001, zeeshan shakir wrote: > >> hi there all >> >> any one there is working on xray image processing. >> i need image subtaction algorithm in matlab. >> >> smiles >> zeeshan |
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