NDLI: Accelerating footprint method based on comparability of consecutive image slices

Content Provider	IEEE Xplore Digital Library
Author	Jianxun Zhang Jiawan Zhang Jizhou Sun
Copyright Year	2005
Description	Author affiliation: Sch. of Comput. Sci. & Eng., Chongqing Inst. of Technol., China (Jianxun Zhang)
Abstract	Volume rendering has been a key technology in the visualization of data sets from various disciplines. However, fast volume rendering of large-scale data sets is still a challenging field due to the vast memory, bandwidth and computational requirements. Two consecutive image slices of volume data usually have very high comparability. It is designed an accelerating footprint volume-rendering method based on comparability of consecutive image slices. When the contribution of the sampling point to screen pixels color value is computed, only the changed contribution of the next slice sampling point changed data value to screen pixels color value is computed. The influencing screen pixels color value is modified based on the changed contribution value. The experiment expresses that the new footprint volume-rendering method can obviously accelerate speed of volume rendering.
Starting Page	123
Ending Page	126
File Size	214471
Page Count	4
File Format	PDF
ISBN	0769523927
DOI	10.1109/CGIV.2005.12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Head volume rendering visualization in scientific computing Image sampling Data structures Engines Casting Computed tomography footprint method Data visualization Computer graphics Rendering (computer graphics) Acceleration
Content Type	Text
Resource Type	Article

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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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