Image and Video Compression

Predictive quad-tree expansion technique for image compression in wavelet transform domain

[+] Author Affiliations
X. Li, E. Salari

University of Toledo, Department of Electrical Engineering and Computer Science, Toledo, Ohio?43606 E-mail: esalari@utnet.utoledo.edu

J. Electron. Imaging. 13(4), 878-885 (Oct 01, 2004). doi:10.1117/1.1789984
History: Received Sep. 19, 2003; Revised Jan. 19, 2004; Accepted Mar. 16, 2004; Online September 30, 2004
Text Size: A A A

A predictive tree structure is presented for classifying the wavelet coefficients, and a new scheme is proposed to construct the trees based on rate distortion function, including both the optimal hierarchical quadtree construction and the predictive spatial orientation tree development. The full search quadtree optimization is applied first to the highest level of high frequency subbands, exploiting the intrasubband correlation of wavelet coefficients. The generated optimal quadtree serves as a predictor to construct the trees for other lower level subbands in which only the leaf nodes are to be analyzed in terms of the associated Lagrange costs for further expansion, taking advantage of the self-similarity across subbands. Constraining the full search quadtree optimization within the highest level subband reduces the computational complexity significantly. Simulation results indicate the proposed scheme is efficient and the performance of the system is comparable to some of the popular image compression techniques. © 2004 SPIE and IS&T.

© 2004 SPIE and IS&T

Citation

X. Li and E. Salari
"Predictive quad-tree expansion technique for image compression in wavelet transform domain", J. Electron. Imaging. 13(4), 878-885 (Oct 01, 2004). ; http://dx.doi.org/10.1117/1.1789984


Access This Article
Sign in or Create a personal account to Buy this article ($20 for members, $25 for non-members).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging & repositioning the boxes below.

Related Book Chapters

Topic Collections

PubMed Articles
Advertisement
  • Don't have an account?
  • Subscribe to the SPIE Digital Library
  • Create a FREE account to sign up for Digital Library content alerts and gain access to institutional subscriptions remotely.
Access This Article
Sign in or Create a personal account to Buy this article ($20 for members, $25 for non-members).
Access This Proceeding
Sign in or Create a personal account to Buy this article ($15 for members, $18 for non-members).
Access This Chapter

Access to SPIE eBooks is limited to subscribing institutions and is not available as part of a personal subscription. Print or electronic versions of individual SPIE books may be purchased via SPIE.org.