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Jurgen


VU University

Active since 2012

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Answered
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.

circa 3 anni ago | 4

Question


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...

circa 5 anni ago | 1 answer | 0

1

answer

Question


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 ...

circa 5 anni ago | 1 answer | 1

1

answer

Question


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...

circa 6 anni ago | 1 answer | 0

1

answer

Question


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...

circa 6 anni ago | 1 answer | 0

1

answer

Question


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...

oltre 6 anni ago | 3 answers | 0

3

answers

Answered
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...

oltre 7 anni ago | 0

Answered
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.

oltre 9 anni ago | 0

| accepted

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

oltre 9 anni ago | 15

Answered
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 = [...

oltre 9 anni ago | 0

Answered
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...

oltre 9 anni ago | 1

Submitted


Imsplit
Split image or matrix into subparts using simple syntax.

oltre 9 anni ago | 5 downloads |

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Submitted


Colormix
Combine basic colors with string syntax to create any RGB color.

oltre 9 anni ago | 1 download |

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

oltre 9 anni ago | 1

Answered
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...

oltre 9 anni ago | 0

| accepted

Submitted


Valcolor
Apply color CLR to colormap entry pertaining to value VAL. Either scaled or indexed figure.

oltre 9 anni ago | 1 download |

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Answered
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 ...

oltre 9 anni ago | 0

Answered
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 ...

oltre 9 anni ago | 0

Answered
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!...

oltre 9 anni ago | 0

Submitted


Mat2gray variant with dimension option
Normalizes sections of an N-D matrix divided along DIM to the 0.0-1.0 range.

oltre 9 anni ago | 1 download |

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Answered
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.

oltre 9 anni ago | 0

| accepted

Answered
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...

oltre 9 anni ago | 0

Answered
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...

oltre 9 anni ago | 1

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

oltre 9 anni ago | 0

Submitted


Zerocolor
Set colormap entry for zero values to specified RGB color

oltre 9 anni ago | 1 download |

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Answered
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...

oltre 9 anni ago | 0

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

oltre 9 anni ago | 0

Question


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...

oltre 9 anni ago | 1 answer | 1

1

answer

Answered
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);

oltre 9 anni ago | 0

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

oltre 9 anni ago

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