# UJJWAL

### INRIA, Sophia Antipolis

I am a PhD student at INRIA, Sophia Antipolis, France.

Professional Interests: Signal Processing, Digital Communications, Wavelets, Image Processing and Pattern Recognition

**Statistics**

RANK**486**

of 273.337

REPUTAZIONE**142**

CONTRIBUTI

**5** Domande

**57** Risposte

ACCETTAZIONE DELLE RISPOSTE **
60.0%
**

VOTI RICEVUTI**24**

RANK**10.770** of 18.452

REPUTAZIONE**41**

VALUTAZIONE MEDIA**0.00**

CONTRIBUTI**1** File

DOWNLOAD **1**

ALL TIME DOWNLOAD**417**

CONTRIBUTI**0 Post**

CONTRIBUTI**0** Pubblico Canali

VALUTAZIONE MEDIA

CONTRIBUTI**0** Punti principali

NUMERO MEDIO DI LIKE

**Content Feed**

Domanda

Image Processing Noise differences

Hi, Suppose I want to add white gaussian noise to an image. I propose to do by following means :- a) imnoise(I,'ga...

circa 5 anni fa | 4 risposte | 0

### 4

risposteConfused about Karhunen-Loeve Transform

Ok.... Let me put it down one by one... Karhunen Loeve Transform relies on the covariance matrix of a set of observation vect...

oltre 7 anni fa | 2

| accettato

Domanda

Extracting image patch within an oriented bounding box of MSER

I have a number of MSER regions obtained in an image. I have parameters of its bounding ellipse. I want to find out the image f...

oltre 7 anni fa | 0 risposte | 0

### 0

risposteDomanda

What is the fastest way of ignoring MSER responses within a mask ?

Hello, For a given image IM, the MSER regions can be obtained by using detectMSERFeatures function. Now Suppose, there is a ...

oltre 7 anni fa | 0 risposte | 0

### 0

risposteInviato

Discrete Fourier Transform over Hexagonally Sampled Data

Provided codes implement the DFT and IDFT for hexagonal lattices

circa 9 anni fa | 1 download |

Feature Extraction & Selection from a standard Face Image.

Your question is not very clear. What do you want to do with the face images? Is it a detection problem or recognition problem. ...

oltre 9 anni fa | 0

write command for wavelet packet tree does not seem to work

I was able to solve this problem through debugging the internals of the write function. I found that the write function is recur...

oltre 9 anni fa | 0

| accettato

To separate a set of data into two groups

You need to mention whether you want data to be divided randomly or is there a certain sequence or rule following which you want...

oltre 9 anni fa | 0

| accettato

For loop or if condition?

First of all, this is not a correctly asked question. Put your code in a correct format and be of a more explanatory nature. ...

oltre 9 anni fa | 0

| accettato

Domanda

write command for wavelet packet tree does not seem to work

Hi, I am trying to create an empty wavelet packet tree and filling up its terminal nodes with coefficients. In short followin...

oltre 9 anni fa | 1 risposta | 0

### 1

rispostaRisolto

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...

circa 10 anni fa

Risolto

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

circa 10 anni fa

Risolto

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...

circa 10 anni fa

Risolto

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...

circa 10 anni fa

Risolto

Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

circa 10 anni fa

Risolto

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

circa 10 anni fa

Risolto

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

circa 10 anni fa

Risolto

Determine if input is odd

Given the input n, return true if n is odd or false if n is even.

circa 10 anni fa

Risolto

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

circa 10 anni fa

Risolto

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...

circa 10 anni fa

Risolto

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:...

circa 10 anni fa

how to add constant noise in image in matlab function?

There is nothing like a constant noise. If you are willing to add noise with constant statistics, you might want to explore the ...

circa 10 anni fa | 0

Segmenting a low contrast image

@Kittu Please ask the question in a clear language that makes sense to all. I understand that you want to do some kind of se...

circa 10 anni fa | 0

Matlab imshow() not showing the image properly

I would really request you to post the image file so that others could also try it.

circa 10 anni fa | 0

CAN I GET A CODE FOR AUTOMATIC THRESHOLDING OF IMAGES

Try Otsu's method

circa 11 anni fa | 0

calculating the intensity

It is not a problem which is simple. It is a complicated problem of biomedical image processing. I would not comment over the so...

circa 11 anni fa | 0

Matlab curve fitting toolbox

You want to do it programmatically and it can be done but being a new user you may find it a bit difficult. There is a curve fit...

circa 11 anni fa | 0

Specify one dimension as variable size in Matlab Coder

Hi, Although i did not understand your question very well but this is i think is your question :- If you want to create a ...

circa 11 anni fa | 0