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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

answers

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

answers

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

answers

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

answer

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

answer

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

answers

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

answer

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

answers

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

answers

Answered
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

answer

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

1

answer

Answered
local mean and standard deviation
and also the local std deviation over the n by n window

8 years ago | 0

Answered
local mean and standard deviation
regarding the local mean..how to find the local mean of an image from a user defined window of size n by n

8 years ago | 0