Jurgen

VU University

Aktiv seit 2012

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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.

mehr als 4 Jahre vor | 4

Frage

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...

mehr als 6 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

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 ...

mehr als 6 Jahre vor | 1 Antwort | 1

1

Antwort

Frage

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...

mehr als 7 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

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...

fast 8 Jahre vor | 1 Antwort | 0

1

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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...

etwa 8 Jahre vor | 3 Antworten | 0

3

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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...

fast 9 Jahre vor | 0

Beantwortet
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.

fast 11 Jahre vor | 0

| akzeptiert

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

fast 11 Jahre vor | 17

Beantwortet
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 = [...

fast 11 Jahre vor | 0

Beantwortet
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...

fast 11 Jahre vor | 1

Gesendet

Imsplit
Split image or matrix into subparts using simple syntax.

fast 11 Jahre vor | 2 Downloads |

Gesendet

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

fast 11 Jahre vor | 1 Download |

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

fast 11 Jahre vor | 1

Beantwortet
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...

fast 11 Jahre vor | 0

| akzeptiert

Gesendet

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

fast 11 Jahre vor | 1 Download |

Beantwortet
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 ...

fast 11 Jahre vor | 0

Beantwortet
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 ...

etwa 11 Jahre vor | 0

Beantwortet
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!...

etwa 11 Jahre vor | 0

Gesendet

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

etwa 11 Jahre vor | 4 Downloads |

Beantwortet
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.

etwa 11 Jahre vor | 0

| akzeptiert

Beantwortet
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...

etwa 11 Jahre vor | 0

Beantwortet
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...

etwa 11 Jahre vor | 1

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

etwa 11 Jahre vor | 0

Gesendet

Zerocolor
Set colormap entry for zero values to specified RGB color

etwa 11 Jahre vor | 1 Download |

Beantwortet
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...

etwa 11 Jahre vor | 0

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

etwa 11 Jahre vor | 0

Frage

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...

mehr als 11 Jahre vor | 2 Antworten | 1

2

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Beantwortet
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);

mehr als 11 Jahre vor | 0

Gelöst

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...

mehr als 11 Jahre vor

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