NDLI: Interactive visualization of large scalar voxel fields

Content Provider	IEEE Xplore Digital Library
Author	Sakas, G. Hartig, J.
Copyright Year	1992
Description	Author affiliation: Tech. Hochschule, Darmstadt, Germany (Sakas, G.; Hartig, J.)
Abstract	A technique is given allowing interactive visualization of large, scalar, discrete volume fields as semitransparent clouds 'on the fly', i.e. without preprocessing. Interactivity is not restricted to geometric transformations, but includes all possible methods of processing the data. The system flexibly trades-off quality for performance at any desirable level. In particular, by using a scanline based method and a DDA-based traversing scheme instead of ray-tracing one achieves real-time processing during previewing. By means of the 'pyramidal volume' traversing technique, one achieves high-quality, constant-time filtering, independent of the data resolution. Several filters help to detect 'fuzzy', obscured hot spots, even within noisy data. The visualization pipeline allows the application of filters at four different stages, maximizing their flexibility. Four different illumination models have been implemented.
Starting Page	29
Ending Page	36
File Size	855783
Page Count	8
File Format	PDF
ISBN	0818628979
DOI	10.1109/VISUAL.1992.235229
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-10-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data visualization Clouds Filters Biomedical imaging Geology Extraterrestrial measurements Filtering Ray tracing Working environment noise Pipelines
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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