A real-time wavelet-based video decoder using SIMD technology

Robert Klepko; Demin Wang

doi:10.1117/12.753610

26 February 2008 A real-time wavelet-based video decoder using SIMD technology

Robert Klepko, Demin Wang

Proceedings Volume 6811, Real-Time Image Processing 2008; 68110D (2008) https://doi.org/10.1117/12.753610
Event: Electronic Imaging, 2008, San Jose, California, United States

Abstract

This paper presents a fast implementation of a wavelet-based video codec. The codec consists of motion-compensated temporal filtering (MCTF), 2-D spatial wavelet transform, and SPIHT for wavelet coefficient coding. It offers compression efficiency that is competitive to H.264. The codec is implemented in software running on a general purpose PC, using C programming language and streaming SIMD extensions intrinsics, without assembly language. This high-level software implementation allows the codec to be portable to other general-purpose computing platforms. Testing with a Pentium 4 HT at 3.6GHz (running under Linux and using the GCC compiler, version 4), shows that the software decoder is able to decode 4CIF video in real-time, over 2 times faster than software written only in C language. This paper describes the structure of the codec, the fast algorithms chosen for the most computationally intensive elements in the codec, and the use of SIMD to implement these algorithms.

Citation Download Citation

Robert Klepko and Demin Wang "A real-time wavelet-based video decoder using SIMD technology", Proc. SPIE 6811, Real-Time Image Processing 2008, 68110D (26 February 2008); https://doi.org/10.1117/12.753610

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
12 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Wavelets

Video

Discrete wavelet transforms

Motion estimation

Linear filtering

Computer programming

Video coding

Show All Keywords

Keywords/Phrases

Search In:

Publication Years