Stefan Karlsson

Halmstad University

Last seen: 11 months 前 | 自 2012 起处于活动状态

Followers: 0 Following: 0

消息

Post doc in Image analysis/computer vision/biometrics Professional Interests: signal processing, biometrics, image analysis, computer vision

统计学

All

查看徽章

Feeds

已提交

Tutorial and Toolbox on real-time optical flow
Code with visualization and excercises. Camera supported

4 years 前 | 5 次下载 |

已回答
[DEPRECATED] What frustrates you about MATLAB?
I miss the ability to define your own workspace. When doing event driven programming in Matlab, there are 3 ways to share your o...

8 years 前 | 0

已解决

Is my wife right?
Regardless of input, output the string 'yes'.

8 years 前

已提交

FancyFlowPlayer
Video Player with visualization and interactive reading.

9 years 前 | 1 次下载 |

已提交

Interactive Incompressible Fluids (Karlsson version)
An interactive demo of Navier-Stokes equations for incompressible fluids.

9 years 前 | 1 次下载 |

已回答
Global workspace usage for efficiency?
Walters good points above are not an answer to my question. Let me try to give my point of view on this, and then anyone can fee...

9 years 前 | 0

提问

Global workspace usage for efficiency?
*Are there cases when using global variables is the most efficient implementation?* I hate using the global workspace, but I ...

9 years 前 | 2 个回答 | 0

2

个回答

已回答
Can I use PCA effectively on a greyscale image?
... I guess one can also give another piece of advice to anyone who stumbles onto this looking for info on PCA. Read the posts b...

9 years 前 | 0

已回答
Can I use PCA effectively on a greyscale image?
I think the answer by Walter, while technically correct, confounds a VERY simple topic. Being technically correct here amounts t...

9 years 前 | 0

已回答
Scale a mask in an image
use imresize. If you use it with interpolation 'nearest', you have your functionality in a single line. If you use another inter...

9 years 前 | 1

已提交

Real time optical flow, and video processing
Real time optical flow, and video processing, with support for camera input in Matlab.

9 years 前 | 1 次下载 |

已回答
timer and Interruptible=Off button callback priority/preemption?
Sometimes I get into the problem that I am in a function that is not interuptible. An ugly work-around that seems to work (o...

9 years 前 | 0

已回答
Save data X over Y
Poorly asked question. Do you get 2 new X and Y matrices by regular intervals, or is time-dependency something represented by t...

9 years 前 | 0

已回答
Which way is correct of defining function...I am getting two differnt surfaces if I specify same equation differently...?
There are 2 interpretations of your shared code (i.e. two ways i see that you would be able to run it without error). 1. you ...

9 years 前 | 0

| 已接受

已回答
GUI figure focus
Seems this is still an issue, here is my solution quick fix: %takes any active uiobject as input, and returns keyboard fo...

10 years 前 | 0

已提交

Visual Studio Toolbar for mex interface with video tutorial
Seamless interface, VS 2010 and 2012 and Matlab for MEX. Video linked to step you through.

10 years 前 | 2 次下载 |

已回答
[DEPRECATED] What frustrates you about MATLAB?
topping the wish-list: 1. A "beep off" that actually works, stops Matlab completely from making the OS beep sound. 2. A sh...

10 years 前 | 0

已解决

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

10 years 前

已提交

Optical Flow with Matlabs Computer vision toolbox
optical flow on camera, synthetic video and video files

10 years 前 | 4 次下载 |

已解决

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

11 years 前

已解决

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

11 years 前

已解决

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

11 years 前

已解决

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

11 years 前

已解决

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

11 years 前

已解决

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

11 years 前

已解决

Add two numbers
Given a and b, return the sum a+b in c.

11 years 前

已解决

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

11 years 前

已解决

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

11 years 前

已解决

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

11 years 前

已提交

VideoResize
A MUCH faster version of "imresize", specifically for videoprocessing

11 years 前 | 1 次下载 |

加载更多

Stefan Karlsson

Halmstad University

统计学

File Exchange

File Exchange

File Exchange

File Exchange

File Exchange

MATLAB Answers

MATLAB Answers

Cody

Feeds

2