Color Image Compression Using DPCM with DCT, DWT and Quadtree Coding Scheme
Color Image Compression Using DPCM with DCT, DWT and Quadtree Coding Scheme

Ashwaq T. Hashim; Suhad A. Ali

Volume 34, 4B , April 2016, , Page 585-597

https://doi.org/10.30684/etj.34.4B.17

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 ...
Adaptive Polynomial Fitting for Image Compression Based on Variance of Block Pixels
Adaptive Polynomial Fitting for Image Compression Based on Variance of Block Pixels

Riyadh Jabbar S. Al-Bahadili

Volume 33, 8A , October 2015, , Page 1830-1844

https://doi.org/10.30684/etj.2015.108826

Abstract
  This paper presents a proposed method to compress images using two polynomials with different models based on the value of block pixels variance. These two polynomials are chosen from ...  Read More ...
Ear Recognition by Using Self Organizing Feature Map
Ear Recognition by Using Self Organizing Feature Map

Suad K. Mohammad

Volume 31, Issue 10 , July 2013, , Page 2000-2013

https://doi.org/10.30684/etj.31.10A14

Abstract
  A wide variety of systems requires reliable personal recognition schemes to either confirm or determine the identity of an individual requesting their services. The purpose of such ...  Read More ...
Secret Technique To Hiding Image After Compression In Cover Image
Secret Technique To Hiding Image After Compression In Cover Image

Ammar Abdul-Amer Rashed; Aymen Dawood Salman; Saddam Kamil Alwane

Volume 29, Issue 10 , July 2011, , Page 1991-2003

https://doi.org/10.30684/etj.29.10.11

Abstract
  This paper presents a technique for image compression and hiding in image of a high secret has been applied to wavelet transform and wavelet transform packet first apply two dimensional ...  Read More ...
Image Compression Using Lifting Scheme
Image Compression Using Lifting Scheme

Yasir A. Ahmed Al-Obaidi; Hadeel N. Abdullah

Volume 28, Issue 17 , August 2010, , Page 5455-5467

https://doi.org/10.30684/etj.28.17.5

Abstract
  This paper introduces, firstly, a proposed method of computing one andtwo-dimensional wavelet transform .The proposed method reduces heavilyprocessing time for decomposition of image ...  Read More ...
Image Compression Based on 2D Dual Tree Complex Wavelet Transform (2D DT-CWT)
Image Compression Based on 2D Dual Tree Complex Wavelet Transform (2D DT-CWT)

Salih Husain Ali; Aymen Dawood Salman

Volume 28, Issue 7 , March 2010, , Page 1290-1305

https://doi.org/10.30684/etj.28.7.2

Abstract
  By removing the redundant data, the image can be represented in a smallernumber of bits and hence can be compressed. There are many different methods ofimage compression. This paper ...  Read More ...