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Faculty of Computing and Information Technology
Document Details
Document Type
:
Article In Journal
Document Title
:
Embedded rate scalable wavelet-based image coding algorithm with RPSWS
خوارزمية ضمنية لترميز للصور ذات معدل قابل للتحجيم بناءً على المويجات وذات التجزئة المتكررة للمويجات الفرعية
Subject
:
image coding
Document Language
:
English
Abstract
:
This paper proposes an embedded rate scalable wavelet-based image coding algorithm. We introduce a simple and efficient approach for coding the positions and the signs of the wavelet coefficients that will be transmitted as nonzero values in an embedded scheme. This algorithm is based on recursive partitioning of the significant wavelet sub-bands (RPSWS). The proposed algorithm produces a fully embedded bit stream and it encodes the image to exactly the desired bit rate (precise rate control). Some standard test images were used to verify the correctness of the proposed coding algorithm. Their results were compared to the two well-known embedded image coders: embedded zerotree wavelet coder (EZW) and set partitioning in hierarchal trees coder (SPIHT). These two techniques make use of “spatial orientation trees” (SOT). Spatial orientation trees are structures that use quad-tree representations of wavelet coefficients that belong to different sub-bands, but have the same spatial location.
ISSN
:
12136972
Journal Name
:
International Journal of WSCG
Volume
:
12
Issue Number
:
1
Publishing Year
:
1423 AH
2004 AD
Article Type
:
Article
Added Date
:
Sunday, January 15, 2012
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
فرج النجاحي
Elnagahy, farag
Investigator
Doctorate
faragelnagahy@hotmail.com
Files
File Name
Type
Description
32062.docx
docx
Embedded rate scalable wavelet-based image coding algorithm with RPSWS
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