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...

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...

2 months 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...

2 months ago | 1 answer | 0

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...

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...

2 months 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...

2 months ago | 0 answers | 0

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...

2 months ago | 1 answer | 0

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...

3 months ago | 0 answers | 0

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:\...

3 months ago | 1 answer | 0

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...

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...

3 months 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...

3 months ago | 1 answer | 0

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.

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.

3 months 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...

3 months ago | 0 answers | 0

Answered

Extremely long delay when opening a Simulink model with UDP block (Instrument Control Toolbox)

R2022a have the same issue... MATLAB Takes up too much memory automated driving toolbox: driving scenaro app

Extremely long delay when opening a Simulink model with UDP block (Instrument Control Toolbox)

R2022a have the same issue... MATLAB Takes up too much memory automated driving toolbox: driving scenaro app

3 months 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...

3 months ago | 1 answer | 0

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(...

3 months ago | 0 answers | 0

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...

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...

3 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...

3 months ago | 1 answer | 0

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...

3 months ago | 1 answer | 0

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 ...

3 months ago | 1 answer | 0

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...

4 months ago | 1 answer | 0

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...

4 months ago | 0 answers | 0

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...

4 months ago | 0 answers | 0

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...

4 months ago | 1 answer | 0

Answered

Why do the eul2quat and quaternion functions differ on the calculated results?

"eul2*" series of built-in functions such as the order and expression of customary way ambiguous, for the time being, do not dis...

Why do the eul2quat and quaternion functions differ on the calculated results?

"eul2*" series of built-in functions such as the order and expression of customary way ambiguous, for the time being, do not dis...

4 months ago | 0

Question

Why do the eul2quat and quaternion functions differ on the calculated results?

The following discussion is all about external rotation, which corresponds to the point rotation in matlab： I use the built-in ...

4 months ago | 4 answers | 0

Question

Why do matlab and python convert Euler angles to quaternions with different results?

I converted the following Euler angles/radians into quaternions using matlab's built-in function eul2quat, the external order is...

4 months ago | 0 answers | 0

Question

How to port SLAM algorithm to embedded platform?

The slam algorithm is very classic and widespread, with various application areas, but I rarely see examples of how to deploy sl...

4 months ago | 1 answer | 0

Question

how to get the relative camera pose to another camera pose?

Two camera absolute poses, pose1(rotationMatrix1,translationVec1),pose2(rotationMatrix2,translationVec2) are know,how to get th...

4 months ago | 1 answer | 0

Question

why point correspondence to rotation matrix calculation is not my expected?

for example, at first ,one point P1(1,0,0) rotate pi/2 angle by y-axis,then get the point P2(0,0,-1), then rotate pi/2 angle by...

5 months ago | 1 answer | 1

Question

wyh rotation matrix convert to eular angle is not same with original eular?

At the beginning,i use eul2rotm function to convert eular degree to rotation matrix,then use rotm2eul function convert to back ...

5 months ago | 1 answer | 0

Question

Error in simulink simulation official example program?

When I try to run the official example "Develop Visual SLAM Algorithm Using Unreal Engine Simulation" again, I get an error with...

5 months ago | 1 answer | 0