# Aravin

Last seen: 2 years ago Active since 2011

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Question

detect straight lines/ Walls from given 3D points
Dear all, I have 3D points of indoor enviroment. I want to remove Walls and leftover should be whatever is between. Any help...

2 years ago | 1 answer | 0

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Reshaping the matrix in specific order
Dear all, Lets say I have array of multiple of 6. I want to reshape that array into matrix such as there are extactly 6 colu...

2 years ago | 1 answer | 0

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Divide the 3D feature space into grid and then get their labels
Dear all, I have 3D locations in three vectors, x, y, and z. I want to divide the space into fix numbe of grids lets say 2 x...

2 years ago | 1 answer | 0

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Divid 3D space into grid of n x n x n
Dear all, I want to divide 3D space into grids of square numbers. Lets say 3 x 3 x 3.

2 years ago | 2 answers | 0

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create 3d grid and quantize the 3D points
Hi everyone, I have 3D points. Now I want to create a 3D cells/grid and quantize the points into that grid/cells. In case of 2...

2 years ago | 0 answers | 1

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Question

How to make precision and recall of same length?
Hello experts. I am working on information retrieval. After searching I have computed the precision (P) and recall (R) for fiv...

6 years ago | 1 answer | 0

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Question

how to segment binary image
I have OCR in Arabic. I want to segment characters separated by space. Consider following image and help plz. There are three ...

6 years ago | 1 answer | 0

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Question

Convert Matrix into string
Dear all, Lets assume I have matrix A = [1 2 3 4 5;6 7 8 9 10;11 12 13 14 15]; Now I want to write CSV file in fo...

6 years ago | 1 answer | 0

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Question

Assigned clusters to new data
Hello experts, Lets assume I have done kmean clustering using [a C] = kmeans(X,1000); Now I want to assigned new dat...

6 years ago | 2 answers | 0

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Create Array Map or get all indices of the given 2D matrix
Hi everyone, Let say I have two array *a* and *b*. Let a = [1 2 3], b = [4 5 6]; I want to get C= [1 1 1 2 2 2 3 3 3 4 4 4...

6 years ago | 0 answers | 0

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Question

How to read CSV file with different format ?
I have file that is CSV format, or any format that is tab separated. There are three columns in it. The first column is integer ...

6 years ago | 1 answer | 0

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Question

Codegen Errors. How to do It
I have one function which is quite slow in bigger Data, I m interested to convert into C (Mex). I tried one example. my func...

7 years ago | 1 answer | 0

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Question

Any builin Library for Data synthesis for OCR
Hello the expert community, I am interested to train OCR for hand written numerals. I have taken 400 images of hand written....

7 years ago | 0 answers | 0

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Question

Change the Line width in imfreehand?
Dear all, I am interested to increase the line width in *imfreehand* and also it should not be poly. To avoid poly I do this....

7 years ago | 3 answers | 0

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Question

How to click the subplots
I want to get the indexces of the subplot if clicked by mouse. For example, I have 10 figures shown by subplot. for i=1:10 ...

7 years ago | 2 answers | 0

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How to create all range of given vector (possible permutations)?
How to create all possible values of vector. For example, I have binary vector of length 2, then are possible four vectors. ...

8 years ago | 1 answer | 0

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Question

how to get character from mouse
I want to get input from mouse for as image. I am working on OCR. *imfreehand* get input from mouse but at the end it turns out ...

8 years ago | 2 answers | 0

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Question

How to search on cell string into other cell string
strfind can find one pattern in string cell array. How can I find one small cell array in to bigger cell array. for example ...

8 years ago | 0 answers | 0

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Question

Identifying class based on distance voting
Lets say I have three classes. Each class have some template samples. For given query sample I want to find the possible class i...

8 years ago | 1 answer | 0

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Question

How to make Image scan vertically aligned
Dear all, We all might use CamScannar on our smartphones. Whenever we scan some image, it automatically align the image vert...

8 years ago | 0 answers | 0

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Question

Merge two images without light effect
Dear all, Let say I take two pictures without moving the camera with the difference of few sec. Image 1 is denoted as *img1*,...

8 years ago | 1 answer | 0

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Question

Create arrays from single array indexes
Lets say I have array *A* which contains the some unsigned numbers. The length of *A* is always even. I have following code whic...

9 years ago | 3 answers | 0

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Question

Eliminate or merge the sequences
Hello everyone, Using vectorization, I want to merge the sequences. Let say I have vector *v* with values v = [43 43 43 ...

9 years ago | 2 answers | 0

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Question

How to read text strings and count them
Hello All, Lets assume I have one file which contains strings. I want to read that file, and create a matrix of word count/li...

9 years ago | 1 answer | 0

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Question

Vectorization dividing row by their maximum.
*Dear All, Let say I have *M = magic(10);* Now I want to divide each element of the matrix by the maximum element row wise. ...

9 years ago | 1 answer | 0

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Question

How to subscript in figures
Hello everyone, I want to have subscript labels in axeses in matlab. Let say I have J = [1 2 3; 4 5 6]; bar(J); ...

10 years ago | 2 answers | 0

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Reuse EPS file or obtain the values from EPS
I plotted some curves and saved that file into EPS. Now I have lost the source code to replot those curves. Could I edit EPS or ...

10 years ago | 1 answer | 0

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Question

How to replace fix colored object from webcame
Dear All, I want to read frames from webcame, and then there is one object of fix color, lets say dark pink color, I want to ...

11 years ago | 1 answer | 0

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Question

Interpolation with some fix interval
Hi Every body, I have different vectors whose values are between 0-1. The vectors are of different size. Now I want to fit th...

11 years ago | 1 answer | 0