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**Content Feed**

Question

How to show size of this element ?

<</matlabcentral/answers/uploaded_files/140536/Untitled.png>> How can I print the shape of bbox{1,1}. I want to see that ther...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to iterate through a struct ?

How can i iterate through a struct in matlab ? Here is my code that does not work im_filenames = dir('./JAAD_frames/video_0...

4 years ago | 2 answers | 0

### 2

answersQuestion

How to get all values from a struct ?

I used dir to get filenames. It is in a struct. Now how do I extract the values from that struct into a list ? Here is my attemp...

4 years ago | 1 answer | 1

### 1

answerQuestion

Simple implementation of level sets curve evolution for image segmentation

does anyone have a simple implementation of the level sets curve evolution for image segmentation ? https://profs.etsmtl.ca/hlom...

5 years ago | 0 answers | 0

### 0

answersQuestion

How to use ezplot ?

I typed this but nothing shows up syms x1 x2 f(x1, x2) = x1^2 + 9*x2^2; ezplot(f);

5 years ago | 1 answer | 0

### 1

answerQuestion

how to use a C static Library in a Microsoft Visual Studio Project

this guide teaches how to use dll created by matlab coder http://www.mathworks.com/help/coder/ug/using-a-matlab-coder-dynamic-li...

5 years ago | 0 answers | 0

### 0

answersQuestion

subplot log-scale set range

I have a plot that looks compressed because one or some of the plots are too far away. <</matlabcentral/answers/uploaded_file...

5 years ago | 2 answers | 0

### 2

answersQuestion

How to blend image and label image

I have an colored RGB image and a 'label image' tells the object class. How do I combine these 2 to make the output look like th...

5 years ago | 1 answer | 0

### 1

answerQuestion

Automatically remove white space from figure

How do I remove the white space from the figures ? I don't want to have to save the image then manually crop it. Instead of M...

5 years ago | 5 answers | 2

### 5

answersQuestion

How to set legend marker size

How do I change the marker size on the legend ? I can change the font size but not marker. l = legend('Orientation', 'Horiz...

5 years ago | 3 answers | 0

### 3

answersQuestion

label2rgb and rgb2label

RGB = label2rgb(L) converts my label array to a RGB array. Is there a function that converts the RGB array back to the original ...

5 years ago | 2 answers | 0

### 2

answersQuestion

Convert RGB image to label

This function converts my labeled image into an RGB <https://www.mathworks.com/help/images/ref/label2rgb.html> Is it possible t...

5 years ago | 2 answers | 0

### 2

answersmatlab mkdir gives error

The colons were giving an issue. This worked. t = datetime('now'); t = datestr(t); t = strrep(t,':','-') folder = ...

5 years ago | 0

Question

matlab mkdir gives error

I have a folder named results. I want to create a folder with name datetime in it. I use mkdir but I get error. t = datetim...

5 years ago | 3 answers | 0

### 3

answersQuestion

Subplot legend change width and height

How do I change the width and height of my subplot legend ? I manually changed its position in the figure below. l = legend...

5 years ago | 0 answers | 0

### 0

answersQuestion

Plot - add legend individually

How can I update the legend of each plot individually rather than at the end of the code ? plot(x1, y1, '-vr', 'LineWidth...

5 years ago | 2 answers | 0

### 2

answersQuestion

convert cell to array

I have a structure sp. How can I copy the content name into an arrray ? Its supposed to be an array of numbers. a = sp.name...

5 years ago | 1 answer | 0

### 1

answerQuestion

Modify subplot legend properties

I have 2 subplots in my figure and a legend that has been manually repositioned below the plots. May I know if it is possible to...

5 years ago | 1 answer | 0

### 1

answerQuestion

assign rgb to 3d array

How do I give color to a specific row, col in my 3D matrix 321x481x3 uint8 ? image(row,col,:) = [0, 0, 255]; does not w...

5 years ago | 0 answers | 0

### 0

answersQuestion

bwconncomp with "labeled" input

I want to pass my segmented image into an algorithm and it requires that the array has all the values in it up till the max valu...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to set elements in 2D matrix to zero given Index ?

gt_regions = regionprops(gt,'PixelList'); linearInd = sub2ind(size(gt), gt_regions(1).PixelList(:,2), gt_regions(1).Pix...

5 years ago | 1 answer | 0

### 1

answerQuestion

imgaborfilt - no option for sigma ?

I am using the imgaborfilt function and I noted that there is no option to specify the standard deviation of the gaussian functi...

5 years ago | 0 answers | 0

### 0

answersQuestion

imgaborfilt - no option for sigma ?

I am using the imgaborfilt function and I noted that there is no option to specify the standard deviation of the gaussian functi...

5 years ago | 0 answers | 0

### 0

answersblockproc - histogram for each window

Managed to find a sample code at http://stackoverflow.com/questions/15250647/matlab-blockproc-store-vector-result-as-3rd-dimensi...

5 years ago | 0

| accepted

Question

blockproc - histogram for each window

I read that blockproc allows me to create custom functions that will process sub-images in a sliding window fashion. I am not su...

5 years ago | 1 answer | 0

### 1

answerQuestion

sub2ind - get all of 3rd dimension

I have 2 matrices, one is a 2D matrix carrying an integer of labels and another a 3D matrix where each [row col] is a feature ve...

5 years ago | 2 answers | 0

### 2

answersQuestion

subplot - how to have the same aspect ratio ?

I am using subplot to imshow() a rgb image and imagesc() an integer array. Both matrices have the same rows and columns. I would...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to use code generated function ?

I wanted to use the watershed transformation in my visual studio c++ application so I managed to use codegen to generate the c++...

6 years ago | 0 answers | 2

### 0

answersQuestion

codegen - unsupported matlab function call

I am trying to have a C++ lib for the watershed function. I have read the instructions at https://www.mathworks.com/help/images/...

6 years ago | 0 answers | 0

### 0

answersQuestion

Matlab codegen for the Image Processing Toolbox

I was reading about code generation and I came across these 2 pages and was wondering if there is any difference between the two...

6 years ago | 1 answer | 0