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cui


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Answered
Using C++ Mex Function how to get std::string argument?
matlab code input1 = "string1"; input2 = "string2"; myMexFunction(input1,input2); mex c++ code using namespace matlab::data...

14 hours ago | 0

Question


what's the difference between these matlab data API strings functions?
" matlab::data::MATLABString" ,"matlab::data::String", "matlab::engine::String","factory.createArray<MATLABString>" ... have som...

2 days ago | 0 answers | 0

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answers

Question


mex compilation not working?
I have a very simple C++ program "readBinFile.cpp" for reading the binary file bin, but mex compiles with an error.How do I fix ...

2 days ago | 0 answers | 0

0

answers

Answered
undistortFisheyePoints function How does it work?
after i look at undistortFisheyPoints internal implementation and expermient, it turns out the following implementation. funct...

8 days ago | 0

| accepted

Question


How can the parameters of the calibrated fisheye camera model in matlab and opencv be converted to each other?
as far as i know, Computer Vision Toolbox calibration algorithm uses the fisheye camera model proposed by Scaramuzza , while op...

9 days ago | 0 answers | 0

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answers

Question


drivingScenarioDesigner can't dynamic show 3D UnrealEngine ego vhicle scence?
when i contruct driving scenario programmatically, and then import into the drivingScenarioDesigner ,chasePlot 3d dynamic simula...

16 days ago | 0 answers | 0

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answers

Question


how to import drivingScenario object into DrivingScenarioDesigner?
I construct "drivingScenario" object by drivingScenario function programmatically, then i add some actors in it, however, i can'...

16 days ago | 1 answer | 0

1

answer

Answered
How to create bird's Eye View Image
please make sure your camera intrinsic matrix is correct and your video frame is always match your extrinsic params(mounting hei...

20 days ago | 0

Answered
Why is imwarp not getting the birdsEyeView image I'm expecting?
After my personal experiments, imwarp by default transforms the whole image, if you need to transform a local ROI image, you nee...

20 days ago | 0

| accepted

Question


Why is imwarp not getting the birdsEyeView image I'm expecting?
I want to do a birds eye image conversion on a monocular car camera image, I have made some adaptations based on the official "b...

20 days ago | 1 answer | 0

1

answer

Answered
Why do vehichleToImage and worldToImage results not match?
After trying to experiment, I now have a full grasp of the problem and its internal implementation. I wrote a simple matlab func...

21 days ago | 0

| accepted

Question


matlab hardwareManager support mobile phone?
as far as i know , matlab mobile product is a independent toolbox from hadware manager, i try to use mobiledev to create a conne...

24 days ago | 0 answers | 0

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answers

Question


“chasePlot” do't show ego vhicle?
why the following code did not show egovhicle? I try to set chasePlot propertites ViewLocation to larger than default,but it sti...

24 days ago | 1 answer | 0

1

answer

Question


matlab support markdown syntax?
matlab live script would be better if it could directly support markdown syntax (and preview), I learned from a third-party prog...

30 days ago | 0 answers | 0

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answers

Question


performance: fullfile function execution efficiency could be improved.
The fullfile execution efficiency could be improved with the following tests: t1 = tic; for i = 1:10000 f = fullfile('c:\...

1 month ago | 1 answer | 0

1

answer

Answered
matlab function block Unable to call function?
The matlab function block in simulink has a "new feature syntax restriction" compared to the matlab general function. If there i...

1 month ago | 0

| accepted

Question


matlab function block Unable to call function?
I'm trying to write some custom matlab program in simulink via a matlab function block, and the function in the block calls anot...

1 month ago | 1 answer | 0

1

answer

Answered
Error in simulink simulation official example program?
delete the "slprj" folder and some of the intermediate files "*.slxc" that were created, and then re-simulate them.

1 month ago | 0

| accepted

Question


I can't connect to my phone via "mobiledev"?
I'm trying to connect to my Iphone via the "mobiledev" function from my desktop matlab, following the steps in the tutorial here...

1 month ago | 0 answers | 0

0

answers

Answered
Extremely long delay when opening a Simulink model with UDP block (Instrument Control Toolbox)
R2022a have the same issue... automated driving toolbox: driving scenaro app

1 month ago | 0

Question


undistortFisheyePoints function How does it work?
How does this function work? According to the documentation, I understand the general process, but I don't know how to convert t...

1 month ago | 1 answer | 0

1

answer

Question


How to get the fisheye camera Intrinsic Parameters reference according to the aberration table provided by the fisheye lens manufacturer?
I have a fisheye lens aberration correction table like the one below, how can I get the fisheye camera internal reference model(...

1 month ago | 0 answers | 0

0

answers

Answered
Is it similar to the cv::remap reprojection mapping function in opencv in matlab?
use "interp2" function! The similarities and differences between "cv::remap" in opencv and "interp2" in matlab: Main common po...

2 months ago | 1

| accepted

Question


Is it similar to the cv::remap reprojection mapping function in opencv in matlab?
As far as I know, I know interp2,interp,griddata,scatteredInterpolant and other functions can achieve my non-aligned regular gri...

2 months ago | 1 answer | 0

1

answer

Question


How to change each column of data in a matrix into a comma expression in an elegant and efficient way?
I want to convert a numeric matrix with multiple columns to a comma expression, especially when the matrix has more columns, usi...

2 months ago | 1 answer | 0

1

answer

Question


Why do vehichleToImage and worldToImage results not match?
As far as I don't fully understand, I think these 2 functions should internally implement the same principle, converting points ...

2 months ago | 1 answer | 0

1

answer

Question


Multiple toolboxes with lots of redundant features?
Note that this is not a question that needs to be answered, I would like to start a discussion on this. In recent years, mathwor...

2 months ago | 1 answer | 0

1

answer

Question


Is the position and orientation of the "Simulation 3D Camera block" output the result of a left-handed or a right-handed coordinate system?
When I use the Simulation 3D Camera block/Simulation 3D Vehicle with Ground Following block for simulation output in Unreal engi...

2 months ago | 0 answers | 0

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answers

Question


Why does the plotCamera function give a warning message?
When I use this absolute pose to plot the camera position, the following warning message appears, I don't quite understand how t...

2 months ago | 0 answers | 0

0

answers

Question


"matfile" function does not fetch variables with multiple fields?
I have a very big mat file(about 2 GB),in which there are several hierarchical relationships, there is an array of variables occ...

2 months ago | 1 answer | 0

1

answer

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