By Topic

HW-SW optimisation of JPEG2000 wavelet transform for dedicated multimedia processor architectures

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Smorfa, S. ; Dept. of Electron. Eng., Univ. of Rome ; Olivieri, M.

The discrete wavelet transform is essential for several image compression applications such as Jpeg2000 encoding. In this area, time-effective execution represents a hot-spot for software realisations targeting microprocessor-based System-on-Chip platforms. The discrete wavelet transform software was redesigned to enhance its performance over a parallel single-instruction-multiple-data (SIMD) architecture built onto very-long-instructions-word processing elements. All major aspects affecting the processing speed were focused on: the penalties deriving from data-cache stalls have been massively eased whereas optimal exploitation of the platform vector processing capabilities has been pursued by instruction-level optimisations. Overall, up to 72% savings was attained in the runtime with respect to a conventional implementation

Published in:

Computers & Digital Techniques, IET  (Volume:1 ,  Issue: 2 )