Question

Rationale for functions going into Computer Vision vs. Image Processing toolboxes

I am curious about the thought process is for deciding if a builtin function belongs in the Computer Vision vs. Image Processing...

2 dagen ago | 0 answers | 0

Question

Why all Matlab windows blank and unresponsive?

Today I was coding in Matlab then went to lunch. When I returned, all the Matlab windows (editor, command window, 2 figure windo...

3 dagen ago | 0 answers | 0

Answered

What are the capabilities of the MATLAB Support Package for Parrot drones? How is it different from the already existing Simulink Support Package?

Beware to anyone considering the Parrot Mambo FPV or Bebop: both are discontinued, see here.

What are the capabilities of the MATLAB Support Package for Parrot drones? How is it different from the already existing Simulink Support Package?

Beware to anyone considering the Parrot Mambo FPV or Bebop: both are discontinued, see here.

11 dagen ago | 0

Answered

Which drones are supported by the MATLAB Support Package for Parrot Drones?

Beware to anyone considering the Parrot Mambo FPV or Bebop: both are discontinued, see here.

Which drones are supported by the MATLAB Support Package for Parrot Drones?

Beware to anyone considering the Parrot Mambo FPV or Bebop: both are discontinued, see here.

11 dagen ago | 0

Answered

Convert matrix of RGB double values to image

I just realized the following works, but please let me know if I am losing information by converting to uint8, figure; imshow(...

Convert matrix of RGB double values to image

I just realized the following works, but please let me know if I am losing information by converting to uint8, figure; imshow(...

17 dagen ago | 0

| accepted

Question

Convert matrix of RGB double values to image

I have a matrix which contains RGB values which range from 0 to 1. I would like to turn it into an image, but if I use uint8 the...

17 dagen ago | 1 answer | 0

Question

Other drones besides Parrot Mambo FPV

I am looking to buy a camera drone and process the images in Matlab. Since this is new to me, I would like easy integration with...

24 dagen ago | 1 answer | 0

Question

Formatted string plus list of numbers using sprintf

I would like to display comma-separated records like the following, Record1,2,8,3,5,2,6,3,7,7,7 Here's my attempt, but is ther...

ongeveer een maand ago | 2 answers | 0

Question

In evaluating a neural net, should NMSE be based only on test subset of data?

In answers like this, Greg Heath suggests using the normalized mean square error, NMSE, to compare the performance of different ...

ongeveer 2 maanden ago | 1 answer | 0

Question

How to work with function inputs which are structures with different fields

I have a function. The inputs are multiple structures which have some of the same fields but also some different fields. I may p...

2 maanden ago | 1 answer | 0

Question

Solve an overdetermined problem with lsqlin

I am having trouble formatting the inputs to lsqlin. I would like to solve for x in Cx=d, where C is 100 by 5 and d is 100 by 10...

3 maanden ago | 1 answer | 0

Question

How to set disableDefaultInteractivity for all axes?

In Matlab 2018b and later, the cursor is set to automatically interact with the plot. This messes up my plots (accidentally movi...

3 maanden ago | 1 answer | 0

Question

How to capture many warnings at startup

All my mfiles on my path have gotten accidentally relocated on my computer, so that now when I start Matlab, I get warnings like...

3 maanden ago | 0 answers | 0

Question

How to tell how when an executable was first run? (Imposing a 30-day demo period)

I made an executable of some Matlab code using the Complier. I would like the executable to stop working after a 30-day demo per...

5 maanden ago | 0 answers | 0

Answered

griddata interpolation just within a certain distance

One option might be to use objective mapping such as Kirill Pankratov's implementation objmap (described here, code here). You w...

griddata interpolation just within a certain distance

One option might be to use objective mapping such as Kirill Pankratov's implementation objmap (described here, code here). You w...

5 maanden ago | 0

Question

Seeking faster objective mapping of noisy, irregularly spaced data

If you have noisy data sampled at irregular x,y locations, you can use objective mapping to make a smooth map of the results. I ...

5 maanden ago | 0 answers | 0

Answered

griddata not creating a smooth interpolation

You may want to try an outside function, objmap, which lets you choose how smooth the map is in x and y, and how much error to a...

griddata not creating a smooth interpolation

You may want to try an outside function, objmap, which lets you choose how smooth the map is in x and y, and how much error to a...

5 maanden ago | 0

Question

Best Matlab file format for input into a RIP

I am creating an image in Matlab that I would like to print on a large-format printer that has a RIP (Raster image processor). T...

6 maanden ago | 0 answers | 0

Answered

generating CIELab Image

Here is an example of how to write a tiff file containing 3 known Lab values. As a check, open the tiff file in Photoshop: the d...

generating CIELab Image

Here is an example of how to write a tiff file containing 3 known Lab values. As a check, open the tiff file in Photoshop: the d...

6 maanden ago | 1

Question

Generate an image containing a pattern of random shapes

I would like to generate an image like this containing random shapes where I specify the size range, color, and type of shape su...

6 maanden ago | 1 answer | 0

Question

Avoid partial blocks in block processing with blockproc

If you block process an image using blockproc and the desired block size does not divide evenly into your image size, it seems t...

7 maanden ago | 1 answer | 0

Answered

Parameter sweep without nested for loop

Here is one solution using allcomb, but is there a better way? By "better" I mean "easy to understand what the code is doing, ye...

Parameter sweep without nested for loop

Here is one solution using allcomb, but is there a better way? By "better" I mean "easy to understand what the code is doing, ye...

8 maanden ago | 0

| accepted

Question

Parameter sweep without nested for loop

The following parameter sweep has many nested loops. How can I eliminate the nested loops with linear indices, but be able to ac...

8 maanden ago | 1 answer | 0

Question

Is it possible to zoom in during Preview in Image Acquisition Tool?

I am using the Image Acquisition Tool to preview a camera image so that I can focus the camera. I would like to zoom in on the i...

8 maanden ago | 1 answer | 0

Question

How to turn off drawrectangle?

I used drawrectangle to draw a rectangle on an image and adjust its size and position, but then I can't figure out how to turn o...

8 maanden ago | 1 answer | 1

Question

Colormap engineering to highlight small values

I would like to construct a colormap for a set of data where the values range from [0,100] but I want the values in the [0,20] r...

9 maanden ago | 2 answers | 0

Question

If I want to make a prediction from a neural net, do I have to use the same random number generator seed?

I have a question about the state of the random number generator when I make a prediction with a neural network. Let's say I loo...

9 maanden ago | 1 answer | 0

Answered

'apply' 'reverse' in mapminmax

<https://www.mathworks.com/help/deeplearning/ref/mapminmax.html mapminmax> is a scaling that is applied to your input data to ma...

'apply' 'reverse' in mapminmax

<https://www.mathworks.com/help/deeplearning/ref/mapminmax.html mapminmax> is a scaling that is applied to your input data to ma...

9 maanden ago | 0

Question

Where in documentation does it say that fitnet([]) gives a linear model?

I have seen Greg Heath's posts such as <https://www.mathworks.com/matlabcentral/answers/296663-my-neural-network-is-getting-trai...

10 maanden ago | 2 answers | 0

Question

Checking if minimum of a matrix occurs on the diagonal

For a matrix, I would like to check if the minimum value of each row is found on the diagonal. The minimum value can occur more ...

10 maanden ago | 1 answer | 0