Jurgen

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Con actividad desde 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.

alrededor de 5 años hace | 4

Pregunta

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...

alrededor de 7 años hace | 1 respuesta | 0

1

respuesta

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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 ...

alrededor de 7 años hace | 1 respuesta | 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...

más de 8 años hace | 1 respuesta | 0

1

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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...

más de 8 años hace | 1 respuesta | 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...

casi 9 años hace | 3 respuestas | 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...

casi 10 años hace | 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.

casi 12 años hace | 0

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

casi 12 años hace | 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 = [...

casi 12 años hace | 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...

casi 12 años hace | 1

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Imsplit
Split image or matrix into subparts using simple syntax.

casi 12 años hace | 2 descargas |

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

casi 12 años hace | 1 descarga |

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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...

casi 12 años hace | 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...

casi 12 años hace | 0

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

casi 12 años hace | 1 descarga |

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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 ...

casi 12 años hace | 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 ...

casi 12 años hace | 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!...

casi 12 años hace | 0

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

alrededor de 12 años hace | 4 descargas |

Respondida
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.

alrededor de 12 años hace | 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...

alrededor de 12 años hace | 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...

alrededor de 12 años hace | 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...

alrededor de 12 años hace | 0

Enviada

Zerocolor
Set colormap entry for zero values to specified RGB color

alrededor de 12 años hace | 2 descargas |

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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...

alrededor de 12 años hace | 0

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

alrededor de 12 años hace | 0

Pregunta

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...

alrededor de 12 años hace | 2 respuestas | 1

2

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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);

alrededor de 12 años hace | 0

Resuelto

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...

alrededor de 12 años hace

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