Shafali Agarwal

9 Questions 22 Answers 0 Followers

Questions related from Shafali Agarwal

Is it possible to verify suitability of Image encryption algorithm for IoT enviornment without using a hardware device?

Please help me to get the availability of hardware simulator (if any) to verify the performance of an image encryption algorithm for IoT environment.

03 March 2019 6,690 4 View

How NIST statistical suite works to test the randomness?

Please help me to understand the importance of NIST statistical suite to test the randomness in image encryption algorithm. Is there sample Matlab code available to study? If yes, please provide...

05 May 2018 8,061 4 View

How Chi-Square test works in image encryption?

I want to use Chi-Square test to compare the histogram of plain image and encrypted image. Please help me to understand how observed and expected frequency can be calculated.

03 March 2018 1,803 9 View

How to calculate NPCR and UACI value of binary image and gray image?

Hello All, I am able to calculate the NPCR and UACI value of a color image but not getting appropriate answer in case of binary image and gray image. Please help me to understand the difference...

10 October 2017 2,749 4 View

Can anybody have an idea about the extended XOR operation function?

Hello Researchers, Please tell me the extended XOR operation function which I need to apply on the images. Thanks!

10 October 2017 6,457 10 View

How to calculate NPCR and UACI of an RGB color image in matlab?

Hi all, I am trying to calculate NPCR value and UACI value of an RGB image to do a statistical analysis of an image scrambling method. Please help.

04 April 2017 8,845 3 View

How an image can be sequenced as a linear array using hilbert curve in matlab

I am trying to apply Hilbert scrambling to the image pixels. Before doing that I need to convert 2D pixels sequencing into 1D array using Hilbert curve. Please help.

02 February 2017 2,677 2 View

How Arnold method provides unscrambled image in correct order?

I am trying to scramble/unscramble an Image using Arnold scrambling method during encryption/decryption process. I got a correct image after performing unscramble process using Arnold method but...

02 February 2017 1,933 0 View

How we calculate the periodicity (cycle) of Arnold scrambling of the digital image?

I am trying to apply Arnold cat map function to the matrix form of digital image to scramble the pixels. Please help me to calculate the periodicity of the Arnold scrambling function.

02 February 2017 9,603 8 View