Community Profile

photo

cui


Last seen: 1 jour ago Active since 2017

Statistics

All
  • Thankful Level 5
  • Knowledgeable Level 1
  • Introduction to MATLAB Master
  • Commenter
  • 5-Star Galaxy Level 4
  • Personal Best Downloads Level 3
  • Promoter
  • Community Group Solver
  • Solver
  • GitHub Submissions Level 3
  • Explorer
  • First Review

View badges

Content Feed

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 jours ago | 0 answers | 0

0

answers

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 jours 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...

7 jours 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...

8 jours 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...

11 jours 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 ...

12 jours ago | 0 answers | 0

0

answers

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...

21 jours 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...

23 jours ago | 0 answers | 0

0

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...

environ un mois 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...

environ un mois ago | 1 answer | 0

1

answer

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...

environ un mois 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 ...

environ un mois ago | 4 answers | 0

4

answers

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...

environ un mois ago | 0 answers | 0

0

answers

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...

environ un mois ago | 1 answer | 0

1

answer

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...

environ 2 mois ago | 1 answer | 0

1

answer

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...

environ 2 mois ago | 1 answer | 1

1

answer

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 ...

environ 2 mois ago | 1 answer | 0

1

answer

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...

environ 2 mois ago | 0 answers | 0

0

answers

Submitted


matlabCommentTemplate
Easy to use m-file comment template!

3 mois ago | 4 downloads |

Thumbnail

Question


Does the matlab local help documentation support black themes?
As far as I can see from the latest matlab release notes, R2022a starts to support livescript background color specifying, but I...

3 mois ago | 1 answer | 0

1

answer

Solved


Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

3 mois ago

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

3 mois ago

Solved


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

3 mois ago

Solved


Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

3 mois ago

Solved


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

3 mois ago

Solved


Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

3 mois ago

Solved


Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

3 mois ago

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

3 mois ago

Solved


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

3 mois ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

3 mois ago

Load more