Community Profile # Sapam Jaya

### Karunya University

Active since 2013

Professional Interests: image processing

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Question

why i cannot display an image
I have done wavedec2 on an image and extracted the approximate coefficients using appcoef2.I want to display the approximate ima...

7 years ago | 2 answers | 0

### 2

Question

use of conditional statement
I have a normalized image of size 160*190.i have to decompose it to low,middle and high inetnsity.the low bound is 0.4 and high ...

7 years ago | 2 answers | 0

### 2

Question

Image Normalization in the range 0 to 1
How to normalize an image in the range 0 to 1?

8 years ago | 4 answers | 2

### 4

Question

how to find threshold
I have calculated the variance of an image.now i need to classify the pixels as foreground when the variance is more than a thre...

8 years ago | 1 answer | 0

### 1

Question

how to get the values of K, g , enhance1 for each iteration
a=0;b=1.5; ra = a + (b-a).*rand(50,1); a1=0;b1=0.5; rb=a1 + (b1-a1).*rand(50,1); a2=0;b2=1; rc=a2 + (b2-a2).*rand(50,1)...

8 years ago | 1 answer | 0

### 1

Question

implementing pso for image
I wan to implement pso algorithm for image enhancement using the file from http://www.mathworks.com/matlabcentral/fileexchange/2...

8 years ago | 0 answers | 0

### 0

Question

while running d code below error is showing and can i inecrease the height of the stem.
close all; clear all; clc; data=imread('cameraman.tif'); figure(1),imshow(data); h=imhist(data); h1=h(1:10:256); h...

8 years ago | 1 answer | 0

### 1

Question

how to fuzzify the pixel intensity of an image
I need help in fuzzifying the pixel intensity using a membership function u(x)=e^(-(xmax-xmn)^2/2f^2)..xmax is maximum intensity...

8 years ago | 2 answers | 0

### 2

Question

Particle swarm optimization for image
Is there anyone who understands how Particle swarm optimization is used for image enhancement given an enhancement transfer func...

8 years ago | 0 answers | 0

### 0

Anyone here solves MATLAB problems as 'part-time job' ?
stop uusing jargons like PM

8 years ago | 0

Question

i m doing image enhancement using a transformation function.i need help in the coding.I have considered the (3,4)pixel value
clear all; close all; input1=imread('cameraman.tif'); subplot(2,1,1),imshow(input1) C=mean2(double(input1))%global...

8 years ago | 1 answer | 0

### 1

Question

in an image of size 256 by 256,what is the command to retrieve the value of the pixel (3,4)
is there any command available to get the pixel value of (3,4) from an image of size 256 by 256 ,so that i need not look from th...

8 years ago | 1 answer | 0