Interactive browsing of large images on multi-projector display wall system

Authors:
Zhongding Jiang;Xuan Luo;Yandong Mao;Binyu Zang;Hai Lin;Hujun Bao
Affiliations:
Computer Graphics Lab, Software School, Fudan University, Shanghai, China and State Key Lab. of CAD&CG, Zhejiang University, Hangzhou, China;Computer Graphics Lab, Software School, Fudan University, Shanghai, China and State Key Lab. of CAD&CG, Zhejiang University, Hangzhou, China;Computer Graphics Lab, Software School, Fudan University, Shanghai, China and State Key Lab. of CAD&CG, Zhejiang University, Hangzhou, China;Computer Graphics Lab, Software School, Fudan University, Shanghai, China and State Key Lab. of CAD&CG, Zhejiang University, Hangzhou, China;Computer Graphics Lab, Software School, Fudan University, Shanghai, China and State Key Lab. of CAD&CG, Zhejiang University, Hangzhou, China;Computer Graphics Lab, Software School, Fudan University, Shanghai, China and State Key Lab. of CAD&CG, Zhejiang University, Hangzhou, China
Venue:
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: interaction platforms and techniques
Year:
2007

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Abstract

With the precision of data acquisition increases, large images that may occupy terabytes, become common in research and industry fields. Since multi-projector display wall systems can provide higher resolution, they becomes paramount to display the large images. In this paper, we present one large image viewing system designed for display wall system. Our system need not totally downloading the whole image data to each rendering node. It enables users to browse the out-of-core images in real time using data streaming techniques. In the system, the original out-of-core raw image is compressed and represented using one hierarchical structure in multi-resolution manner. We design one proxy architecture that interactive streams data from remote data server to all rendering nodes. Our system allows users to interactively pan, and zoom the large images with versatile graphical user interface.