NDLI: Direct volume rendering by transfer function morphing

Content Provider	IEEE Xplore Digital Library
Author	Hon-Cheng Wong Un-Hong Wong Zesheng Tang
Copyright Year	2009
Description	Author affiliation: NAOC-MUST Collaborative Research Laboratory on Lunar and Planetary Exploration, Faculty of Information Technology, Macau University of Science and Technology, Macao, China (Hon-Cheng Wong; Un-Hong Wong; Zesheng Tang)
Abstract	Direct volume rendering has been widely used by physicians, scientists, and engineers in a variety of applications. In a direct volume rendering process, transfer functions are used to specify the relationships between volume data values and optical properties in order to reveal inner structures in a volume. However, trial-and-error is one of the widely used approaches for finding good transfer functions to visualize volume data. In this paper, we propose a new approach to automatically visualize volume data by transfer function morphing. With our approach, the user can just define the start transfer functions and end transfer functions for a volume, and all the intermediate transfer functions are generated based on a morphing factor function (linear interpolation is used as an example morphing factor function in our study). These transfer functions are used for visualizing the volume simultaneously as they are generated. Experimental results on various volume datasets show that our approach is useful for the user to get the insight of volume data effectively and efficiently.
Starting Page	1
Ending Page	4
File Size	291759
Page Count	4
File Format	PDF
ISBN	9781424446568
DOI	10.1109/ICICS.2009.5397587
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transfer functions Rendering (computer graphics) Data visualization Histograms Interpolation Stochastic processes Collaboration Laboratories Moon Information technology graphics hardware Direct volume rendering transfer functions morphing
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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