zhang

Actif depuis 2011

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matlab java interface--can not add the user-defined class to the Java class path
I coded a simple class: test and compiled it and put it in the 'D:\Dropbox\projects\ICPR2013\code\java\union_find'. pub...

presque 10 ans il y a | 1 réponse | 0

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matlab: calculate the degree given two points in an image
The goal is to rotate an image so that the bounding boxes including the hand instances are all axis aligned. Please see the foll...

environ 10 ans il y a | 1 réponse | 1

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Réponse apportée
Can I use blob detection to detect my hand?
mark

plus de 10 ans il y a | 0

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How do I debug my Java source code that I am calling from the MATLAB environment?
Based on the following link: http://www.mathworks.com/matlabcentral/answers/102080 In order to debug Java code being calle...

plus de 10 ans il y a | 1 réponse | 0

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design my own 2d filter
I'm wondering is there a way to define my own 2d filter. Assuming there is a matrix A, I'd like to assign every element of A ...

plus de 10 ans il y a | 1 réponse | 0

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get the number of frame of a video using vision.VideoFileReader and VideoReader
Using VideoReader: obj = VideoReader(vidfullfile); obj.NumOfFrames Using vision.VideoFileReader: videoFileRe...

plus de 10 ans il y a | 4 réponses | 1

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compute a pixel's location in original image given its location in the rotated image and the rotated angle--matlab
There is an image called _rI_ and a pixel _p_ located at _[px, py]_ in this image. The image _rI_ is got by _rI = imrotate(I, an...

plus de 10 ans il y a | 1 réponse | 0

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how to traverse a multidimensional array
Given a multidimensional array A = MxMxMx...xM, where ndims(A)=n. My problem can be described by the following pseudo-code: ...

presque 11 ans il y a | 2 réponses | 0

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Question

access the element of multidimensional array given the subscript array
Given a multidimensional array A = MxMxMx...xM, where ndims(A)=n and the subscript array b=[a1, a2, ..., an]. How to get A(a...

presque 11 ans il y a | 1 réponse | 0

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Question

initialize a multidimensional matrix
Given two numbers: M, N, how to create a matrix: res = MxMxMxMxM...xM, where ndims(res) == N.

presque 11 ans il y a | 1 réponse | 0

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apply bsxfun and arrayfun to every row of a matrix
There is two matrix, A and B with size m by 4 and n by 4 respectively. My question is how to apply a function f, which takes tw...

environ 11 ans il y a | 1 réponse | 1

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Question

mex cc files in ubuntu system
I've download some code online. The makefile is like following: all: cascade fconv_var_dim cascade: cascade.cc model...

environ 11 ans il y a | 1 réponse | 0

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failed to start matlabpool using 'local' profile
My desktop runs in Ubuntu 12.04 LTS and the matlab is R2013a. I'm doing local parallel computing(use multicores of my desktop). ...

environ 11 ans il y a | 1 réponse | 0

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always stuck at job test validate--cluster profile manager
I'm using parallel computing toolbox. Before calling command 'matlabpool', it seems that we need to validate the local profile i...

environ 11 ans il y a | 1 réponse | 0

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failed to open matlabpool
I'm trying to use the following command: matlabpool('open', 8); But it gives me an error: You requested a minimum of ...

environ 11 ans il y a | 1 réponse | 0

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Question

malloc-memory corruption on ubuntu
I'm running a very famous matlab source code on my ubuntu system. It gives me: *** glibc detected *** /usr/local/MATLAB/R2013...

environ 11 ans il y a | 1 réponse | 0

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Question

mex cc file in ubuntu
I've download some code online. The makefile is like following: all: cascade cascade: cascade.cc model.c...

environ 11 ans il y a | 1 réponse | 0

1

réponse

Question

mex cpp file in ubuntu
Hi everyone I'm trying to mex a cpp file in ubuntu using the following command. mex triLinearVoting.cpp. It gives me ...

environ 11 ans il y a | 3 réponses | 1

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Question

access the elements in a matrix given the column indexes
For example x = [1 2 3 4; 5 6 7 8; 9 10 11 12] Given the row indexes vector y = [1 3 4]; I...

plus de 11 ans il y a | 2 réponses | 0

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W'*X*X'*W or W'*(X*X')*W, which one is more precision
Hi everyone. When I wrote something like W'*X*X'*W, matlab gives me hint that parenthese X. I did a lot of experiment, when ...

plus de 11 ans il y a | 1 réponse | 0

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Question

setting the scale of the Y axis
<<http://vlm1.uta.edu/~zhangzhong/matlab.jpg>> In the above image, I'd like to change 10^1 to a more beautiful way, like 10_s...

presque 12 ans il y a | 1 réponse | 0

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Question

how to process cell array
Hi guys I have two cell arrays A, B. A = {[1 -1 1], [2 3 6 5]}; B = {[2 1], [1 4]}; B is the index for A. I'd l...

plus de 12 ans il y a | 1 réponse | 0

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Question

unique function in matlab
Hi guys In the version of R2012a, the unique function has a 'stable' property. Please see the link: <http://www.mathworks...

plus de 12 ans il y a | 2 réponses | 0

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Question

function overloading problem in matlab
Hi guys, Does matlab support function overloading? Just like, F(x, y) F(x, y, z) If not, is there any ways to do it? ...

plus de 12 ans il y a | 1 réponse | 0

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Réponse apportée
how to solve matrix equation
please check the following link: <http://stackoverflow.com/questions/1515296/solving-a-matrix-in-matlab> [U S V] = svd(A);...

plus de 12 ans il y a | 0

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how to solve matrix equation
I'd like to estimate the parameters of the following equation: Ax + By + Cz + D = 0. There are thousands of instance of [x y...

plus de 12 ans il y a | 1 réponse | 0

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Question

is it possible to use "find" to process every element of an array without loop
Hi guys, There is an array, saying a1, a2, ..., an. For every element in the array, I want to do something like find(X<ai)...

plus de 12 ans il y a | 3 réponses | 0

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Question

Given the element in a matrix, how to get the corresponding element in cell array?(cell2mat, mat2cell)
There is a cell array, saying A = {a_1 x b, a_2 x b, a_3 x b, ..., a_n x b}. After doing B = cell2mat(A), I can get a matrix ...

plus de 12 ans il y a | 1 réponse | 0

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Question

how to use filter2
Hi guys For an image and its associated binary mask, I only want to apply my filter on the pixel whose binary indicator is 1...

plus de 12 ans il y a | 1 réponse | 0

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Question

compute the unit vector given the angle
Hi guys, How to compute the unit vector given the direction? Is there any function in matlab to do this task. Thanks

plus de 12 ans il y a | 3 réponses | 0

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