Commit bc032feee9ff3c32748cbf4972217c24927d2ab0
Authored by
Laila Saadatifard
1 parent
da849ea2
first upload the 3d ivote code in matlab
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- matlab-3d/blue.bmp
- matlab-3d/gauss1d.m
- matlab-3d/gauss_blur3d.m
- matlab-3d/iblur.vol
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- matlab-3d/img/nissl-rat.vol
- matlab-3d/ivote1.vol
- matlab-3d/ivote2.vol
- matlab-3d/ivote3.m
- matlab-3d/ivote3.vol
- matlab-3d/main.asv
- matlab-3d/main.m
- matlab-3d/old-matlab.m
- matlab-3d/out/Ivote.vol
- matlab-3d/out/blurImg.vol
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- matlab-3d/out/gradient_mag.vol
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- matlab-3d/out/sub_I.vol
- matlab-3d/out/thresholded_gradient.vol
- matlab-3d/syn_Img.asv
- matlab-3d/syn_Img.m
- matlab-3d/validation/GT.bmp
- matlab-3d/validation/Ground Truth.tif
- matlab-3d/validation/Valid Area.tif
- matlab-3d/validation/Voting Results.tif
- matlab-3d/validation/cellt=4-sigmagk=8.000000e-01-sigma=7.500000e-01-finalt=250-totltime=300.000000.png
- matlab-3d/validation/newcrp.bmp
- matlab-3d/validation/tuneaccuracy.m
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1 | +%This function creates a 1D gaussian window given a standard deviation | |
2 | + | |
3 | +function G = gauss1d(sigma) | |
4 | + | |
5 | + | |
6 | + % create a kernel with a radius equal to 4x sigma | |
7 | + r = sigma * 4; | |
8 | + | |
9 | + % create the domain of the gaussian function (x and y) | |
10 | + gx = -r:r; | |
11 | + % calculate the gaussian function | |
12 | + a = 1/(sqrt(2*pi)*sigma); | |
13 | + b = -1/(2*sigma^2); | |
14 | + cx = gx.^2; | |
15 | + G = a.*exp(b.*cx); | |
0 | 16 | \ No newline at end of file | ... | ... |
1 | +function Ib = gauss_blur3d(I, sigma) | |
2 | + | |
3 | + | |
4 | +%convolve along the x-axis | |
5 | +Gx = gauss1d(sigma(1)); | |
6 | +Ix = convn(I, Gx, 'same'); | |
7 | + | |
8 | +%convolve along the y-axis | |
9 | +Gy = gauss1d(sigma(2))'; | |
10 | +Iy = convn(Ix, Gy, 'same'); | |
11 | + | |
12 | +%convolve along the z-axis | |
13 | +Gz_prime = gauss1d(sigma(3)); | |
14 | +Gz = reshape(Gz_prime, [1, 1, length(Gz_prime)]); | |
15 | +Iz = convn(Iy, Gz, 'same'); | |
16 | + | |
17 | +Ib = Iz; | |
18 | + | |
19 | + | ... | ... |
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