JPEG2000 image adaptation for MPEG-21 digital items

Authors:
Yiqun Hu;Liang-Tien Chia;Deepu Rajan
Affiliations:
Center for Multimedia and Network Technology, School of Computer Engineering, Nanyang Technological University, Singapore;Center for Multimedia and Network Technology, School of Computer Engineering, Nanyang Technological University, Singapore;Center for Multimedia and Network Technology, School of Computer Engineering, Nanyang Technological University, Singapore
Venue:
PCM'04 Proceedings of the 5th Pacific Rim conference on Advances in Multimedia Information Processing - Volume Part I
Year:
2004

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Abstract

MPEG-21 user cases bring out a scenario of Universal Multimedia Access which is becoming the reality: people use different devices such as desktop PC, personal digital assistant as well as smartphone to access multimedia information. Viewing images on mobile devices is more and more popular than before. However, due to the screen size limitation, the experience of viewing large image on small screen devices is awkward. In this paper, an enhanced JPEG2000 image adaptation system is proposed for MPEG-21 digital item adaptation. The image is adapted considering both visual attentive region(s) of image and terminal screen size. Through the subjective testing, the system has been approved to be a solution of efficiently displaying large images in different devices.