UJJWAL

INRIA, Sophia Antipolis

自 2011 起处于活动状态

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

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

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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...

6 years 前 | 4 个回答 | 0

4

个回答

已回答
Confused 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...

8 years 前 | 2

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提问

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...

8 years 前 | 0 个回答 | 0

0

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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 ...

8 years 前 | 0 个回答 | 0

0

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Discrete Fourier Transform over Hexagonally Sampled Data
Provided codes implement the DFT and IDFT for hexagonal lattices

10 years 前 | 3 次下载 |

已回答
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. ...

10 years 前 | 0

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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...

10 years 前 | 0

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已回答
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...

10 years 前 | 0

| 已接受

已回答
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. ...

10 years 前 | 0

| 已接受

提问

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...

10 years 前 | 1 个回答 | 0

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已解决

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...

11 years 前

已解决

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

11 years 前

已解决

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...

11 years 前

已解决

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...

11 years 前

已解决

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...

11 years 前

已解决

Is my wife right?
Regardless of input, output the string 'yes'.

11 years 前

已解决

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 ...

11 years 前

已解决

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...

11 years 前

已解决

Add two numbers
Given a and b, return the sum a+b in c.

11 years 前

已解决

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

11 years 前

已解决

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 ...

11 years 前

已解决

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...

11 years 前

已解决

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:...

11 years 前

已回答
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 ...

11 years 前 | 0

已回答
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...

11 years 前 | 0

已回答
Matlab imshow() not showing the image properly
I would really request you to post the image file so that others could also try it.

11 years 前 | 0

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CAN I GET A CODE FOR AUTOMATIC THRESHOLDING OF IMAGES
Try Otsu's method

12 years 前 | 0

已回答
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...

12 years 前 | 0

已回答
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...

12 years 前 | 0

已回答
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 ...

12 years 前 | 0

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