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Averaging Overlapping Pixels in Sliding Window Operation
Another option would be: I = reshape(accumarray(mIdx(:), mZ(:), [(M * N), 1], @(x) mean(x)), [M, N]); Where `mZ` is the ...

8 years 前 | 0

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Saving Figure Data into a Matrix
Hello. I'm using 'image()' to display an image. I'm adding some annotations using text. I'd like to save the final resu...

8 years 前 | 2 个回答 | 0

2

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Can any body tell me how to implement KSVD in matlab?
Here is a function which implements the K-SVD algorithm. function [ mD ] = DL_KSVD( mD, mX, paramCardinality ) numberO...

9 years 前 | 0

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

10 years 前 | 0

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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....

10 years 前 | 2 个回答 | 0

2

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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...

10 years 前 | 0

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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...

10 years 前 | 2 个回答 | 0

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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...

10 years 前 | 1

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

10 years 前 | 0

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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...

10 years 前 | 0

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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...

10 years 前 | 3 个回答 | 0

3

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

10 years 前 | 0

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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 ...

10 years 前 | 1 个回答 | 0

1

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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...

10 years 前 | 1 个回答 | 0

1

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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` ...

10 years 前 | 1 个回答 | 0

1

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[DEPRECATED] 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...

10 years 前 | 1

已回答
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...

10 years 前 | 1

已回答
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...

10 years 前 | 2

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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,...

10 years 前 | 0

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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...

10 years 前 | 1 个回答 | 0

1

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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...

10 years 前 | 1 个回答 | 0

1

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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...

11 years 前 | 3 个回答 | 0

3

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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...

11 years 前 | 0

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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...

11 years 前 | 0

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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...

11 years 前 | 0

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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...

11 years 前 | 1 个回答 | 0

1

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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...

11 years 前 | 0

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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...

11 years 前 | 1 个回答 | 0

1

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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...

11 years 前 | 0

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已回答
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...

11 years 前 | 0

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