Priyansi Parida

12 Questions 3 Answers 0 Followers

Questions related from Priyansi Parida

Are Hopfield Chaotic Neural Networks used for generating 5125123 values time consuming?

Referring to Wang and Li's 2019 paper titled, "A color image encryption algorithm based on Hopfield chaotic neural network". They have used a 3D Hopfield Chaotic Neural Network to generate a N*N*3...

27 April 2021 1,123 3 View

What is the ideal value of UACI for image encryption scheme?

UACI - Unified Averaged Changed Intensity between cipher images. Why some papers refer ideal value to be 33.33 and some refer it to be 33.46? Which is the correct value? (In reference to image...

12 February 2021 9,910 2 View

Should a better value for UACI be below or closer to ideal values or higher as possible?

The ideal theoretical value for UACI(Unified Average Changed Intensity) is 33.33% for testing the robustness of image encryption algorithm against differential attacks. Is it better to have a UACI...

31 January 2021 2,196 3 View

How to find the chi square test value for histograms of plain and cipher image?

I want to test the uniformness of values in histogram through chi-square analysis in an image encryption algorithm.

30 January 2021 4,258 2 View

What are different ways to compare the histogram of cipher images from various encryption schemes?

Is there a metric to find if one histogram of cipher image is better than other? I tried calculating the variance of the image but couldn't get the intended results. Are there ways to compare...

29 January 2021 623 3 View

How is the variance for an image exactly computed to test the uniformness of its histogram?

I am trying to compute the variance of a plain and cipher grayscale LENA image... I found in a paper that variance value is equal to 630780 for a plain Lena image while if I calculate I find it...

29 January 2021 8,162 5 View

Should the correlation between adjacent pixels in a cipher image be low or close to zero as possible?

This question in the relation to calculating the horizontal, vertical, and diagonal correlation of a cipher image in an encryption algorithm. I have read that the correlation values should be as...

14 January 2021 1,489 4 View

What are some of the efficient techniques used for image scrambling?

I am using 3D Arnold transform for my EC-ElGamal encryption technique but it consumes a lot of time during the execution of the program using Python. So I was wondering if there are BETTER ideas...

08 January 2021 337 2 View

How do i code to get the correlation coefficient along horizontal, vertical and diagonal for plain and cipher images?

I am trying to do the correlation analysis for grayscale images and their ciphers in Python or MATLAB. But I don't understand how to code the same. Also, I didn't get any function or existing code...

02 December 2020 6,696 3 View

How is Execution time i.e. Encryption and Decryption Time computed?

I have been reading some papers on Image Encryption using ECC and chaotic systems. What do they mean by 'Encryption ' and 'Decryption' time? How is it within 1 second? I tried implementing...

02 December 2020 6,373 7 View

Is IMAGE ENCRYPTION using ECC a good research area?

There have been existing works like Singh and Singh(2015) and subsequently one in 2017 that performed Image encryption using ECC. But I have been seeing ppl comment that encryption with ECC is not...

15 October 2020 4,601 5 View

How to perform image encryption using ECC in matlab?

I am looking for an image encryption code using elliptic curve cryptography so as to understand how it's done.

31 August 2020 7,534 3 View