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Niranjan


Anna University,Chennai,India

Active since 2011

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Question


Computing the sum of each column in an image
Hi i want to find out the sum of individual columns in an image and draw a plot indicating the number of pixels in each column(A...

ongeveer 8 jaar ago | 3 answers | 0

3

answers

Question


Separating particular pixels based on RGB value
I want to separate a group of pixels in an image which have RGB greater than [120 115 118 ] . How can I do it? The pixels havin...

meer dan 13 jaar ago | 1 answer | 0

1

answer

Question


Averaging an image
A basic Image Processing question . How can I average the values or RGB for an input color image? If the input is a color image,...

meer dan 13 jaar ago | 1 answer | 0

1

answer

Question


Separating a group of higher intensity pixels in an image
I have an binary image in which only a particular group of pixels are my area of interest. I want to separate these higher inten...

meer dan 13 jaar ago | 3 answers | 0

3

answers

Question


Why does my GUI interface get eroded while running my code???
I've got a new problem. When I try to run my skin extraction code in GUI, the GUI interface gets eroded. I am giving my skin ext...

meer dan 13 jaar ago | 1 answer | 0

1

answer

Question


Passing Arguments from functions in GUI
Hello, I have a problem. When working with GUI for a face detection code, I want to pass the number of faces to another function...

meer dan 13 jaar ago | 1 answer | 0

1

answer

Question


GUI closing automatically?
Hi I've got a problem again. I've got a face detection algorithm. When I try to implement in GUI. After selecting the first butt...

meer dan 13 jaar ago | 2 answers | 0

2

answers

Question


Dynamically write images in different names?
Hello all, I've got a small problem. I want to write a image file for every iteration but in different names. The condition is e...

bijna 14 jaar ago | 2 answers | 0

2

answers

Question


Human Skin Range??
Since YCBCR method of skin recognition gives poor results,Can anybody suggest me a simple code to detect skin regions by using H...

bijna 14 jaar ago | 2 answers | 0

2

answers

Question


Saving Figure using saveas() function
Is there any way by which I can save the current figure?. When I use saveas() function eg)saveas(gcf,'pred_prey.jpg') the curr...

bijna 14 jaar ago | 3 answers | 0

3

answers

Question


Converting gray scale to ycbcr??
Is there any way by which we can convert a gray scale to Ycbcbr???

bijna 14 jaar ago | 1 answer | 0

1

answer

Question


Problem with mex compilation
Somebody please help me in this regard.When I try to set up my mex compiler,I get the following error. Please help mex -set...

bijna 14 jaar ago | 1 answer | 0

1

answer

Question


Finding the peak position of a plot?
Hi,can anyone tell me how to find the peak of a plot . I have the code plot(sum(fill>0)); Now how to find the peak value of t...

bijna 14 jaar ago | 1 answer | 0

1

answer

Answered
Pattern Extraction from an image?
All I need to do is to detect a face of a person in an image, extract his face pixel and scan the rest of the image to find the ...

bijna 14 jaar ago | 0

Question


Pattern Extraction from an image?
Hi can anyone suggest me a code to extract a particular texture or pattern from an image? I have the location (x,y) of the patte...

bijna 14 jaar ago | 2 answers | 0

2

answers

Question


Target Speed Estimation using a webcam
Hi,can anybody tell me how to detect the distance of a moving target using a webcam(in real time). I want the distance to change...

bijna 14 jaar ago | 2 answers | 1

2

answers

Question


How to separate RGB values of an image.
We know that each pixel i in the input image I has rgb colors. My question is how to store them in a 3-vector Ii. Each color is ...

bijna 14 jaar ago | 4 answers | 0

4

answers

Question


How to estimate the PSF from an blurred image?
Hi I am a newbie to image processing. I am working on Blind Image Deconvolution. I have a doubt regarding the PSF.How can one de...

bijna 14 jaar ago | 2 answers | 0

2

answers

Question


How to determine the type of noise in an image?
Hi all , I am working on blind deconvolution and I have a question.Is there any algorithm or code by which we can determine the ...

bijna 14 jaar ago | 1 answer | 0

1

answer

Question


Direction by RADON transform?
Hi,Is there a possibility that we could determine the direction of motion in an image using RADON transformation?. If yes please...

bijna 14 jaar ago | 1 answer | 0

1

answer

Question


Creating a plot of intensity of pixels across an image using MATLAB?
Hi am a newbie to MATLAB. Can anyone suggest me a code to plot a graph for number of pixels in each column of an image? any seri...

bijna 14 jaar ago | 2 answers | 1

2

answers