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UTA


American Institute of Allied Health

22 total contributions since 2012

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Question


About coordinate angle computing
Dear Firend: There has two Space rectangular coordinate, and the angle between each corresponding axis is konwn,( for exam...

2 years ago | 0 answers | 0

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how to build a 3d sparse matrix?
Hi everyone: As we all know these has a sparse function in matlab, for example, there has two vector: a = [1 2 3 1 5];...

4 years ago | 2 answers | 0

2

answers

Question


about non maximum supression method in Dalal paper
Hi everyone: Recently, I have read the NavneetDalalThesis about the non maximum supression method on merge mutli detection w...

4 years ago | 0 answers | 0

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answers

Question


hand skeleton extract from a given image
Hi everyone: I want get the skeleton of the hand image as follow: <</matlabcentral/answers/uploaded_files/11205/grad...

5 years ago | 1 answer | 0

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answer

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How to back trace the nested class data
Hi everyone: I have a tree structure(nested) data and with a weight value attached on each node( nodes_1 and nodes_2) . ...

5 years ago | 0 answers | 0

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answers

Question


question about imrotate function
When I use imrotate function to rotate a binary image which only has a single pixel with value of one, the rotate function I use...

6 years ago | 1 answer | 0

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how to save data with name changing by number
Hi guys: I want to save data with changing name as follow: for i = 1: 100 outputS...

6 years ago | 1 answer | 0

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answer

Question


how do I write a function with cell input from matlab to c code?
Hi everyone: my matlab code as follow: function [ XP ] = seqRe_ali( test_cut, model_cut,P ) ...

6 years ago | 0 answers | 0

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answers

Question


merge multiply cell together
Hi guys: I have two cells as follow: C1={[1:10], [2; 4; 6], []}; C2={[],[],[2;3]; These two cell has same length ...

6 years ago | 1 answer | 0

1

answer

Question


about get the largest bin from rose function
Hi guys: I want to use rose function to show the histogram of angle, and also want to get the largest bin from it. That mean...

6 years ago | 0 answers | 0

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Question


about write in file
Hi everyone: I have a exist file named as 'data.txt', and I want to write data into the file in every loop; but the update da...

6 years ago | 2 answers | 0

2

answers

Question


about image pixel rotate
Hi everyone, I use 'imrotate' function to rotate a image, the rotate degree is theta, however, how can I get the location of ...

6 years ago | 1 answer | 1

1

answer

Question


about mouse button click
Hi guys: I'm using ginput(1) function to select the pixels position in a few images, however, the number of clicks are differe...

6 years ago | 1 answer | 0

1

answer

Question


small question about find function
When I use 'find' function in matlab I met a problem as follow: C=[0.2341 0.4567]; x=[0.2341 3 4 5]; ind = fin...

6 years ago | 1 answer | 0

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answer

Question


how to save matrix with the index of matrix name increase in every loop?
As I ask above, I want to use 'save' function to save the data in .mat format. However, I want to save the data ,which comes fr...

6 years ago | 1 answer | 0

1

answer

Question


getting all the nearby pixels from a center pixel in image
Hi everyone, I have a quick question like this: there is an image,suppose with size of 320 * 240, and I extract a center pixel p...

6 years ago | 0 answers | 0

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Question


another quick question about string read
gesNum = 6; I want to get modelsq_6 other than modelsq_gesNum by using : sprintf('%s_%s', 'modelsq', 'gesNum'); I know t...

6 years ago | 2 answers | 0

2

answers

Question


quick question about string read
I use 'sprintf' function get a string and store in a1 as follow: % a1 = sprintf('%s_%s', 'modelsq', '1'); I just want...

6 years ago | 2 answers | 0

2

answers

Question


get the position of pixel in the window after sorting the image
Say there has a image 'I' with size 256 * 256, and a window with size of 9 * 9 pixel. Here I want to set the center pixel of th...

7 years ago | 2 answers | 0

2

answers

Question


the code problem
my question is here: k = 1; for i = 1:10 for j = 1:6 if(i ==1 && j == 3) % here I just...

7 years ago | 2 answers | 0

2

answers

Question


To find the position of the elements which are same in vector
I have a vector like this: a = [ 2 3 4 2 5 4 3 3]; and I want to find all the index of the elements which has the same value. ...

7 years ago | 3 answers | 0

3

answers

Question


how to draw a ellipse with known its general equation
I want to draw a ellipse with known its general form of equation as follow form: a*x^2 + b*x*y + c*y^2 +d*x + e*y + f = 0 ...

7 years ago | 2 answers | 1

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answers