Jurgen

VU University

2012년부터 활동

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Reading a select number of characters from a string
If you don't want to convert to char type: extractBetween and it's brethren work on the newer string datatype.

4년 초과 전 | 4

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Check if property is dependent
I'm trying to write a method that checks if the non-dependent properties of a class are initialized properly. Using ` fieldnames...

6년 초과 전 | 답변 수: 1 | 0

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Concise way to compare/find multiple values
If I have a matrix of integers called A and want to find the mask corresponding to values 1 and 7, I currently do this: mask ...

6년 초과 전 | 답변 수: 1 | 1

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Extend scope of variables to other local functions
I have a function that uses a few helper functions. I'd like these helper functions to have access to variables without: * pa...

7년 초과 전 | 답변 수: 1 | 0

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Select visual studio compiler with mex
I have visual studio 2015 (community) installed. It can compile C++ fine. Do I still need the Windows SDK to use mex, or is ther...

거의 8년 전 | 답변 수: 1 | 0

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Convert binary ROI to polygon
I have a binary image with a concave polygon drawn in a paint application. Using find() I get a set of points, but they aren't o...

거의 8년 전 | 답변 수: 3 | 0

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How to divide a matrix into smaller matrices
A cell type can hold several matrices, so splitting your matrix should output a cell. Mat2cell has syntax that let's you carve u...

거의 9년 전 | 0

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problem in image resizing
Have you tried .bmp? I think that does not use compression. It should be slightly greater than 100KB due to the header.

거의 11년 전 | 0

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How can I normalize data between 0 and 1 ? I want to use logsig...
NDATA = mat2gray(DATA);

거의 11년 전 | 17

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how to choose the value?
I suggest you concatenate the numerical input l1 with the string 'bus'. Then display the content with display(). E.g. X = [...

거의 11년 전 | 0

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How do I change the image displayed in the axes of a gui?
Agree with Image Analyst, you can use the same command as with the first button to display. Alternatively changing the CData pro...

거의 11년 전 | 1

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convert matrix to rgb
The FEX has mat2im and real2rgb. Can recommend both! <http://www.mathworks.nl/matlabcentral/fileexchange/23342-real2rgb-color...

거의 11년 전 | 1

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Endometrial cancer detection using Image processing
Since you don't know where the cells are, cropping the images could mean deleting the areas with the cancer cells. So it is your...

거의 11년 전 | 0

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Create .mat similar to MRI for image processing
3D display on a 2D screen may not be the best option. Most MRI analysis programs just show slices from several directions. I ...

거의 11년 전 | 0

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how can i calculate brightness,contrast,hue and saturation of a image?
Assuming its an rgb image, you can do rgb2hsv to find the hue and saturation of pixels. Value is similar to brightness, but you ...

대략 11년 전 | 0

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Resizing two images to the same pixel dimensions without aspect ratio distortion
Your question is: Can I change the aspect ratio of A to fit that of B without changing the aspect ratio of A? It makes no sense!...

대략 11년 전 | 0

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How to use an absolute scale with colormaps
Yes, just adjust the CLim property of the axes to the desired range. e.g. caxis([0 45]) will map the colors to 0-45 range.

대략 11년 전 | 0

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To tilt image backwards
Instead of doing it manually, use a for loop, compare with 'correct' reference image (e.g. sum of squared differences) and selec...

대략 11년 전 | 0

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how to detect noise in an image?
You're not the first: <http://www.mathworks.com/matlabcentral/answers/52882-image-noise-estimation-image-processing> <http...

대략 11년 전 | 1

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Multiple plot handles to the same figure
Also, maybe figsplit and figmerge may help. <http://www.mathworks.com/matlabcentral/fileexchange/31737-splitmerge-matlab-figu...

대략 11년 전 | 0

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Can someone help me with my image processing?
I think your problem is similar to a recent post by Steve Eddins: http://blogs.mathworks.com/steve/2012/12/18/counting-object...

대략 11년 전 | 0

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Image Transformation using Parallel Processing / GPU
Maybe this helps: http://www.mathworks.nl/discovery/matlab-gpu.html

대략 11년 전 | 0

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List all toolbox functions
Ive looked around but only found depfun() and which(). But is there a command that lists all functions in a toolbox (excluding d...

대략 11년 전 | 답변 수: 2 | 1

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DO I need Image processing tool box to upload image into GUI
I think this should work? I = imread('file_on_path.jpg') imagesc(I);

대략 11년 전 | 0

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how to set the image into axis using GUI?
It seems you name your image axes1. I'm not sure what axes11 is,nor what hadles.loadimage contains. have you tried image(ax...

대략 11년 전 | 0

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remove unused callbacks from GUI m files
Should not be a problem. Be careful that that message will appear on all your callbacks (local functions), even the ones you do ...

대략 11년 전 | 0

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give title below a figure
subplot(1,3,1); imshow(rand(300)); mt(1) = title('TEST1'); subplot(1,3,2); imshow(rand(300)); mt(2) = title('TEST2'); su...

11년 초과 전 | 2

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Display gray color only from grayscale image
imshow(I,[6 249]) if it's a 2D image slice you want to visualize.

11년 초과 전 | 0

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How to assign Pixel values to the entire images?
Not 100% sure what format your images are, but try this: If A is your 32x32 image, then A = mat2gray(A) will scale...

11년 초과 전 | 1

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Fusion of CT and MRI images, MI method
Alright, for a rotation and xtranslation example: stepsize1 = pi/180; %e.g. 1 degree stepsize2 = 1; %e.g. 1 pixel ...

11년 초과 전 | 0

Jurgen

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