Question

Applying 3d transformation to cuboid

I have the 8 vertices of a cuboid (XYZvox) with known distance in millimetres (vox to mm) between each vertex which I transform ...

3 months ago | 0 answers | 0

Question

Affine transformation of 3d image volume (new pixel dimensions)?

I am using this <https://uk.mathworks.com/matlabcentral/fileexchange/21080-resampling-volume-or-image-with-affine-matrix?focused...

4 months ago | 0 answers | 0

Submitted

grayselectBM

Select gray-map (sidebar) from ultrasound Bmode image and undo the non-linear mapping

8 months ago | 1 download |

Question

3D Binary image registration

I have 2 3D binary images which I would like to register (translate) so that IM2 ~= IM1 after translation. Is there a standalone...

2 years ago | 1 answer | 0

Submitted

createBlocks3D(im, xsrh, ysrh, zsrh, xref, yref, zref)

Divide 3D image into search and smaller reference blocks (centered on each search block).

2 years ago | 0 downloads |

Answered

Use part of each cell of 3D cell matrix

%e.g. im=VolStack(:,:,:,1); %xsrh=100 %ysrh=100 %zsrh=100 %xref=90 %yref=90 %zref=90 %define sear...

Use part of each cell of 3D cell matrix

%e.g. im=VolStack(:,:,:,1); %xsrh=100 %ysrh=100 %zsrh=100 %xref=90 %yref=90 %zref=90 %define sear...

2 years ago | 0

Question

Use part of each cell of 3D cell matrix

Hi I have used mat2cell to create a 12 x 13 x 5 cell matrix where each cell contains a 29 x 29 x 29 cube. How do I generate a n...

2 years ago | 1 answer | 0

Question

Matlab reshape in 3D

I have a 119 x 49 x 27 (yxz) matrix (A) which is a stack of 27 blocks which make up a larger 2D image. I know that the larger 2...

2 years ago | 1 answer | 0

Question

Weighted cubic spline (csaps) -- varying weighting factor

%weighted cubic spline x=0:0.1:10; %input data y=5*sin(1.5*x); x2=x; y2=0.5+(0.5*sin(1.5*x)); pp = csap...

3 years ago | 1 answer | 0

Posted

Linear prediction filter coefficients (lpc.m)

I am just wondering, when using the lpc.m function: [a,g] = lpc(x,p) should the value of p (the order) equal the length(x) to ...

3 years ago | 1609 views

Responded

Re: Converting 2D Binary (contour) image to x, y scatter plot

I managed to find a work around. I dont know why but the x y coordinates of binary image pixels (=1) were transformed. Thos code...

3 years ago | 3557 views

Posted

Converting 2D Binary (contour) image to x, y scatter plot

I am having an issue extracting the x y Cartesian coordinates of an object (1 pixel contour) in a binary image. [x y] = find([b...

3 years ago | 1508 views

Posted

Converting 2D Binary (contour) image to x, y scatter plot

I am having an issue extracting the x y Cartesian coordinates of an object (1 pixel contour) in a binary image. [x y] = find([b...

3 years ago | 3557 views