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Veera Kalyani S


13 total contributions since 2016

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Question


The matrices rgb and imag1 have same values,same dimensions but different class.But while displaying images imag1 and rgb are different.Why is it so?
clc; clear all; close all; imag1=imread('lena.jpg'); subplot(1,2,1); imshow(imag1); v=rgb2gray(imag1); r=...

3 years ago | 1 answer | 0

1

answer

Question


The pixel values are not all 255 in 256*256 matrix.But I get a white image.How?
A 256*256 matrix consists of pixel values that varies from 1 to 256 randomly. But the image displayed for the corresponding m...

3 years ago | 1 answer | 0

1

answer

Question


How to convert binary stream of length 1*524288 to decimal string of length 1*65536?
There is a need to group 8 bits in the binary stream of 1*524288 to make a decimal string..how to do this using matlab?

3 years ago | 1 answer | 0

1

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Question


How to store each and every bit of de2bi(k(r)) to the variable?
if true % code while r<((M*N)+1) for i=1:M for j=1:N k(r)=imag1(i,j); l(r)=k(r); ...

3 years ago | 1 answer | 0

1

answer

Question


In Matlab ,How to store an 8 bit value to the string ?
Consider, b(1,1,1)='10010101' I would like to do like this: k(2)=b(1,1,1)?? Is it possible? Thanks in advance

3 years ago | 1 answer | 0

1

answer

Question


How to convert the decimal value of the image to binary using matlab?
Whether it is possible to get binary value of an image and consider it as a string?

3 years ago | 1 answer | 0

1

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Question


While running this matlab code the value of x(513) is infinite value.But while calculating manually it is a finite value only.
x(1)=3.58; for i=2:(513) x(i)=4*(x(i-1)); end Why this kind of error is happening in matlab?

3 years ago | 1 answer | 0

1

answer

Question


How to implement image encryption using Henon map through matlab?
Is it possible to implement henon map for image encryption?

3 years ago | 0 answers | 0

0

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Question


I would like to scramble image using henon map.I have written the following code with the help of bifurcation diagram matlab code.
if true % code clc; clear all; close all; imag1= imread('desert.jpg'); %info = imfinfo('barbara.jpg'); %if((info.Co...

3 years ago | 0 answers | 0

0

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Question


What is number of iterations deciding factor in the following code?
clc; clearvars; close all; workspace; fontSize = 33; grayImage = imread('cameraman.tif'); subplot(1,2,1); ...

3 years ago | 2 answers | 0

2

answers

Question


How can i use Henon Map for shuffling image?
I need to use any of the chaotic map for scrambling the image. If I use Henon map,how can I get scrambled image

3 years ago | 0 answers | 0

0

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Question


How to get image for each and every iteration?
I need to demonstrate arnold's cat map. if true % code while t<T2 for i= 1 : rows for j= 1 : columns r = mod...

3 years ago | 1 answer | 0

1

answer

Question


can I find NPCR value for two images of different dimensions using matlab code?
I would like to find NPCR value of chaotic map using matlab code. Whether it is possible to find the npcr value if the input ...

3 years ago | 1 answer | 0

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