# venkat vasu

### anna university(trichy)

Professional Interests: image processing

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**Content Feed**

Question

calculate thermal fingertip image temperature?

Hi... I'm currently working on thermal image temperature calculation. here i have extracted fingertip of the hand and want to...

6 years ago | 1 answer | 0

### 1

answerQuestion

serial communication matlab to serial port?

Hi... i am doing the project in real time. for that i need to send some array from matlab to serial port. for this any i need...

9 years ago | 0 answers | 0

### 0

answersQuestion

Automatic ROI selection in image

Hi every one... I am doing image processing project here i need automatic roi selection like i have segmented the image in...

9 years ago | 1 answer | 0

### 1

answerQuestion

Integer k-means clustering

Hi... I am developing clustering algorithm using integer k-means so i need to know the algorithm first integer kmeans impleme...

9 years ago | 0 answers | 0

### 0

answersQuestion

hierarchical integer k means clustering algorithm

Hi... I am doing project in face recognition. in this project i wand hierarchical integer k means clustering algorithm. in...

9 years ago | 1 answer | 0

### 1

answerQuestion

Getsnapshot not working properly

Hi... I am working video processing related project. here i'm capturing the image using getsnapshot function but its not gi...

9 years ago | 0 answers | 0

### 0

answersQuestion

locked the computer using matlab

Hi... I'm working image processing application like continuous log in authentication project in that i need to lock the syste...

9 years ago | 1 answer | 0

### 1

answerQuestion

problem while mosaicing a retina image

Hi everyone... I am doing retina image mosaicing project using sift algorithm here normal images detecting the many key p...

9 years ago | 0 answers | 0

### 0

answersQuestion

how to calculate consequent parameter in fuzzy logic

Hi... I'm implementing the anfis toolbox in matlab in this i need to calculate consequent parameter like(p,q,r). can any one...

9 years ago | 1 answer | 0

### 1

answerQuestion

how slice the Dicom image

Hi... I am currently working 3d medical images and i need to read dicom image and find out the volumetric then slice the ima...

10 years ago | 1 answer | 0

### 1

answerQuestion

how to define face affine matrix

Hi every one... I have a collection of face image and name i need to match the correct name for that first we need to define ...

10 years ago | 1 answer | 0

### 1

answerQuestion

Difference between canny,sobel,prewitt edge detection

Hi... I have worked canny,sobel,prewitt edge detection operator but still now i didn't get idea of difference in above. peas...

10 years ago | 1 answer | 0

### 1

answerQuestion

CAT arguments dimensions are not consistent. in the cell array.

Hi every one... I have a cell array containing cell array like this C = {1x1 cell} {1x32 cell} {1x32 cell} {1x6...

10 years ago | 1 answer | 0

### 1

answerHow to change text size in boxplot

Hi... Hope this helpful to you. xlabel('Yourstring','fontsize',20);

10 years ago | 0

| accepted

I have a binary image wit noise. i found the thresholding value is 96 by randomly applying it to the image. can any one help me provide code for calculating the threshold value equal to 96, its ok if any help me to with the method of calculating it..

Hi... You can get in command window itself to type a help graythresh or see the code below I = imread('coins.png...

10 years ago | 0

How to do element by element comparison?

Hi.. This code surely will help you and you can check n matrix also. a=[0 0 4 0; 0 3 1 0; 0 0 0 2; 0 0 6 2; 3 4 5 6; 8 ...

10 years ago | 0

| accepted

About Matrix Array Error

Hi... This may help you and it will take both string&character but it can store a single character. a= input ('The number...

10 years ago | 0

solve the following series on Matlab :)

Hi... This code may help you and i took n=5; %x(t) = 0.5+2\n *(cos -1\3*cos 3t +1\5 cos 5 t - 1\7 * cos 7t); t=-10:10;...

10 years ago | 0

plot probability density function

Hi... This code surely will help you. a=5000:5000:60000; b=[8 9 8 13 8 5 1 3 2 1 1 1] bar(a,b); or stem(a,b);

10 years ago | 0

| accepted

how to find mask for binary image

Hi... You can get the masking predefine function like sobel and canny in matlab operator it will perform masking. a...

10 years ago | 0

how to use fuzzy logic for image enhancement

See this link this may help you... http://basic-programming-tips.blogspot.in/2011/12/fuzzy-logic-examples-using-matlabfuzzy.h...

10 years ago | 1

| accepted

Finding a string in a file

a1=dir; l=length(a1); for i1=3:l files=dir(a1(i1).name); nfiles = length(files); for i=3:nfiles cu...

10 years ago | 0

Finding 4 connectivity for a matrix

L = bwlabeln(Matrix) [L, NUM] = bwlabeln(Matrix) [L, NUM] = bwlabeln(Matrix, conn) L, containing labels for the conne...

10 years ago | 0

| accepted

how to convert gray image to color image

Image=imread('fog1.bmp'); if size(Image,3)==3 Image=rgb2gray(Image); end [m n r]=size(Image); rgb=zeros(m,n...

10 years ago | 0

| accepted

How to rotate an image about a corner point?

help imrotate B = imrotate(A,ANGLE) rotates image A by ANGLE degrees in a counterclockwise direction around its center p...

10 years ago | 0

How to adjust the intensity of series of images?

>>help imadjust imadjust Adjust image intensity values or colormap. J = imadjust(I) maps the values in intensity image I ...

10 years ago | 0

| accepted

clear, clear all and tic toc time

clear Clear variables and functions from memory. clear removes all variables from the workspace. clear VARIABLES ...

10 years ago | 3

| accepted

How can I write to a txt file dynamically?

A = round(rand(6,7)*9); % Write this to file. fid = fopen('Mymatrix.csv','wt'); c='col'; for i = 1:size(A...

10 years ago | 1

| accepted

dicomwrite creates a black and white image, why?

info = dicominfo('CT-MONO2-16-ankle.dcm'); I = dicomread(info); dicomwrite(I,'ankle.dcm',info); this code will help you...

10 years ago | 2