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44 total contributions since 2014

Professional Interests: Image processing, Pattern Recognition , Signal Processing

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For creating VLAD descriptor of image descriptors

2 years ago | 2 downloads |

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

2 years ago

How to read the image timestamp data from its text file?
It would have been useful if could have attached one/few of that files. Anyways MATLAB has an option to read data from .txt file...

4 years ago | 0

Skin type classification and clustering
Hi Adriano, Try doing this: * Use k-NN classifier, use the Fitzpatrick Scale color ranges for the training. * Calculat...

4 years ago | 0

how can I write and reads an image from a folder?
* read an image from a folder variable_name=imread('image_name.ext') * select image and show it into axe...

4 years ago | 0

Teeth Segmentation from a given X-ray image
Try this code , clc; clear all; close all; image_name='10.gif.jpg'; %%Change this if you have diff name ...

4 years ago | 0

FFT of a selected range of points
if you know the time where it started you can simply do it by using: fft(signal(initial_time:final_time))

4 years ago | 0

| accepted

Should XOR operation performed on binary images only?
I think so because XOR is binary operator.

4 years ago | 0

Solved

Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

4 years ago

If A is a 378-by-1 matrix and B is a 378-by-2401 matrix, what does is it mean 'A\B'?
Ref from <http://dali.feld.cvut.cz/ucebna/matlab/techdoc/ref/arithmeticoperators.html> Backslash or matrix left division. I...

4 years ago | 0

| accepted

Solved

Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

4 years ago

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

4 years ago

Solved

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

4 years ago

Problem

Form Blocks in a 1D array
Lets say I have an array of size (10,1); I want to divide it into the num number of blocks which are given by user no_of_b...

4 years ago | 0

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

4 years ago

how to save the captured image in target folder

4 years ago | 1

Finding if numbers are within range
input_vector=1:100; range_upper_limit=50; range_lower_limit=25; indices_in_input_vector_within_the_range= int...

4 years ago | 0

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

5 years ago

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

5 years ago

Use Matlab to get a dc voltage through microphone jack
see if this one helps : <http://in.mathworks.com/matlabcentral/fileexchange/18596-real-time-microphone-and-camera-data-acquisit...

5 years ago | 0

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

5 years ago

Serial Communication involving terminator in MATLAB
Use MATLAB Serial port object: serialObj= serial('COM1','BaudRate',115200,'DataBits',7); For more info and documenta...

5 years ago | 0

| accepted

Trying to create exe from GUI..
Why don't you use application compiler from apps. I find it easy that way. <</matlabcentral/answers/uploaded_files/18158/...

5 years ago | 0

| accepted

meaning of pc in princomp of matlab
AS per my guess PC is a score

5 years ago | 0

How to delete selective part of image?
By removing if you mean crop then, Image(row_start:row_end,col_start:col_end)=[];

5 years ago | 0

ip camera connect to matlab
Try searching in Image Acquisition Toolbox <http://www.mathworks.in/products/imaq/index.html?s_tid=brdcrb>

5 years ago | 0

How to delete every second pixel of each row from a photo?
Try following code: function output_image=alternate_rows(input_image) output_image=[]; for i=1:size...

5 years ago | 1

How to detect a polygon of following Shape in an image with other objects. I greatly appreciate for some help.
You can use Active shape model for that. Here is one paper which seems to be solving same type problem. <www.itu.dk/~marlee...

5 years ago | 0

Attempted to access y(5); index out of bounds because numel(y)=2.
Thats because you have declared as: y=zeros(2,1); which creates y variable as: y=[0;0] which means y variable is ...

5 years ago | 0