Keywords = DCT
Number of Articles: 6
Secured Medical Image Hashing Based on Frequency Domain with Chaotic Map
Volume 39, 5A , May 2021, , Page 711-722
Abstract
Recently, online-medicine got increased global interest, particularly during COVID19 pandemic. Data protection is important in the medical field since when promoting telemedicine applications, ... Read More ...
Encrypted Image Watermark in Audio Files Using Homogenous Deffie-Hellman with Chebyshev Polynomial
Volume 34, 6B , June 2016, , Page 894-900
Abstract
Due to the expanding utilization of advanced media, the assurance of protected innovation rights issue has turned into an essential issue. Digital watermarking is currently drawing ... Read More ...
Color Image Compression Using DPCM with DCT, DWT and Quadtree Coding Scheme
Volume 34, 4B , April 2016, , Page 585-597
Abstract
This paper is concerned with the design and implementation of a compression method for color image. This method based on Differential Pulse Code Modulation (DPCM), Discrete Cosine Transform ... Read More ...
Comparison of FFT-Based and DCT-Based Channel Estimation and ECC for OFDM System
Volume 33, 3A , April 2015, , Page 682-693
Abstract
Orthogonal Frequency Division Multiplexing (OFDM) has become a popular modulation method for high data rate wireless communications. In this paper, two schemes are proposed. In the ... Read More ...
Hybrid Techniques for Proposed Intelligent Digital Image Watermarking
Volume 33, 4B , April 2015, , Page 702-713
Abstract
Digital watermarking provides a solution of the recent problems such as a copyright protection and digital content authentication, as well as the balancing between the copyright protection ... Read More ...
Image Watermarking Using DWT_DCT
Volume 28, Issue 23 , November 2010, , Page 6662-6675