Answered
Linear Least Squares With 2 Inequality Constraints
I created a solution. It can be found here: http://math.stackexchange.com/a/1403593/33

7 years ago | 0

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Question

Linear Least Squares With 2 Inequality Constraints
Hello, I would like to know how can I solve the following Linear Least Squares problem: arg min(x) (Ax - b)'(Ax - b) s....

7 years ago | 2 answers | 0

2

answers

Answered
Computing Mahalanobis Distance Between Set of Points and Set of Reference Points
Here is the solution fully vectorized (Though uses much more multiplications than needed): mA = reshape(bsxfun(@minus, perm...

7 years ago | 0

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Question

Computing Mahalanobis Distance Between Set of Points and Set of Reference Points
Hello, I have an n x p matrix - mX which is composed of n points in R^p. I have another m x p matrix - mY which is compo...

7 years ago | 2 answers | 0

2

answers

Answered
Backslash for solving very big sparse matrix in Ax=b
If you're memory limited the best solution I know of is <https://en.wikipedia.org/wiki/Conjugate_gradient_method Conjugate Gradi...

7 years ago | 1

Answered
Weighted k means clustering
Usually the weighting would be using <https://en.wikipedia.org/wiki/Mahalanobis_distance Mahalanobis Distance> Matrix. If I'm...

7 years ago | 0

Answered
Reshape Video Matrix Into Long RGB Matrix and Back
I think I have a solution (At least one). going from video into one lone image: function [ mOutputImage ] = ReshapeVideo...

7 years ago | 0

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Question

Reshape Video Matrix Into Long RGB Matrix and Back
Hello, Let's say I have a Video Matrix `mVideoMatrix`. This is a 4D matrix (Numnber of Rows x Number of Columns x Number o...

7 years ago | 3 answers | 0

3

answers

Answered
Create a LUT Table by Euclidean Distance
Ok, I created something using the ' <http://www.mathworks.com/matlabcentral/fileexchange/10064-allcomb allcomb> ' function from...

7 years ago | 0

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Question

Create a LUT Table by Euclidean Distance
Hello, I have a list of N vectors in 3D space (Points in RGB color space). We'll call that our Dictionary. The whole data ...

7 years ago | 1 answer | 0

1

answer

Question

Issues with The Colon (:) Operator
Hello, I have an issue with the colon operator which operates differently than expected. Let's define the following vect...

7 years ago | 1 answer | 0

1

answer

Submitted

Fast Guassian Blur
Fastest Implementation of Gaussian Blur

7 years ago | 4 downloads |

Question

Run Queue of Operations in Parallel
Hello, I have an Image - `mA` which I divided into Blocks: `mA1`,`mA2`, `mA3`, `mA4`. Now I have a function - `BlurImage` ...

7 years ago | 1 answer | 0

1

answer

Answered
What frustrates you about MATLAB?
There 2 main things I want in MATLAB: # OpenCL support so we'll be able to use AMD graphics card which have great Double Prec...

7 years ago | 1

Answered
Parallel Computing Toolbox GPU using ATI with Stream?
There 2 main things I want in MATLAB: # OpenCL support so we'll be able to use AMD graphics card which have great Double Prec...

7 years ago | 1

Answered
MATLAB OpenCL
I wish MATLAB will move from CUDA to OpenCL. There are great libraries for that and it is time we'll enjoy GPU acceleration i...

7 years ago | 2

Answered
Recursive Implementation of the Gaussian Filter
he answer was simple, the article uses the coefficients value on one hand where the MATLAB implementation on the other. Namely,...

7 years ago | 0

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Question

Recursive Implementation of the Gaussian Filter
Hello, I'm trying to implement the article "Recursive Implementation of the Gaussian Filter". This article suggest an II...

7 years ago | 1 answer | 0

1

answer

Question

Generate Code with Structure with Different Size Matrices
Hello, I'm trying to use MATLAB Coder to generate code for the following code: for iScaleIdx = 1:numScales gaussi...

7 years ago | 1 answer | 0

1

answer

Submitted

Fast Anisotropic Curvature Preserving Smoothing
Fast Anisotropic Curvature Preserving Smoothing for High Quality Image Denoising

7 years ago | 8 downloads |

Question

Averaging Overlapping Pixels in Sliding Window Operation
Hello, I'm looking for an efficient way to average overlapping pixels which are result of sliding window operation. To exp...

7 years ago | 3 answers | 0

3

answers

Answered
When will MATLAB 2014b release?
MATLAB R2014b is out. I'm so disappointed Mathworks does nothing to improve the language speed. Moreover, they are still s...

7 years ago | 0

Answered
What is changing in R2014b?
MATLAB R2014b is out. I'm so disappointed Mathworks does nothing to improve the language speed. Moreover, they are still s...

7 years ago | 0

Answered
Integrating MATLAB R2014a with Visual Studio 2013
Update: It seems I managed to have VS 2013 on my list. Yet when I try to use 'loadlibrary' as in the documentation: htt...

7 years ago | 0

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Question

Integrating MATLAB R2014a with Visual Studio 2013
Hello, I have Visual Studio 2013 Premium installed. It was installed using its defaults. I try to integrate it with MATLA...

7 years ago | 1 answer | 0

1

answer

Answered
Matlab R2014a and Visual Studio Professional 2013
I have the same issue, Installed VS 2013 on Windows 7. I have MATLAB R2014a and the VS 2013 isn't on the available compilers li...

7 years ago | 0

Question

Parallelization of a Loop with 'parfor - Unsuccessfully
Hello, I created an algorithm which work on Image Patches. I go through matrix of an image and apply a function of a neighborh...

7 years ago | 1 answer | 0

1

answer

Answered
Using the MX Matrix Library in General C Code
It seems Mathworks did something to disable the option to create a C code which uses their library outside the MEX scope. I D...

7 years ago | 0

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Answered
Replication Photoshop's Gaussian Blur and Unsharp Mask in MATLAB
Photoshop uses Integral Images approximation for the Gaussian Blur. Its Unsharp Mask is once applied for "Dark Halos" and o...

7 years ago | 0

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Answered
Vectorizing Calculation of the Autocorreltion function of a Matrix (Per Column)
It can be done using Toeplitz matrix.

7 years ago | 0

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