Paper Abstract and Keywords |
Presentation |
2005-09-16 15:30
Evaluation of Arithmetic Precision Required for a Reconfigurable Raytracing Machine with Triangle Patches Shougo Nakamura, Yuichiro Shibata, Kiyoshi Oguri (Nagasaki Univ.) |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
For efficient implementation of a raytracing machine on reconfigurable
devices such as Field Programmable Gate Arrays (FPGAs), it is
advantageous to use only fixed point arithmetic. In addition,
reduction of the bit width of fixed-point arithmetic enables high
performance parallel processing making the best use of multiple small
arithmetic units in a reconfigurable device. In this paper, we compared
the quality of graphics generated by floating point arithmetic and
fixed point arithmetic, changing parameter such as a bit width, object
size, position, number, and attribute to evaluate the arithmetic bit
width required for a raytracing algorithm.
Raytracing with triangle patches is similarly evaluated.
Evaluation results show that 29-bit fixed point arithmetic is sufficient for the normal raytracing and 43-bit fixed point arithmetic is sufficient for the raytracing with triangle patches. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
image processing / ray tracing / fixed point arithmetic / / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 105, no. 288, RECONF2005-52, pp. 67-72, Sept. 2005. |
Paper # |
RECONF2005-52 |
Date of Issue |
2005-09-09 (RECONF) |
ISSN |
Print edition: ISSN 0913-5685 |
Download PDF |
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Conference Information |
Committee |
RECONF |
Conference Date |
2005-09-15 - 2005-09-16 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
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Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Reconfigurable Systems, etc. |
Paper Information |
Registration To |
RECONF |
Conference Code |
2005-09-RECONF |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Evaluation of Arithmetic Precision Required for a Reconfigurable Raytracing Machine with Triangle Patches |
Sub Title (in English) |
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Keyword(1) |
image processing |
Keyword(2) |
ray tracing |
Keyword(3) |
fixed point arithmetic |
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1st Author's Name |
Shougo Nakamura |
1st Author's Affiliation |
Nagasaki University (Nagasaki Univ.) |
2nd Author's Name |
Yuichiro Shibata |
2nd Author's Affiliation |
Nagasaki University (Nagasaki Univ.) |
3rd Author's Name |
Kiyoshi Oguri |
3rd Author's Affiliation |
Nagasaki University (Nagasaki Univ.) |
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Speaker |
Author-1 |
Date Time |
2005-09-16 15:30:00 |
Presentation Time |
30 minutes |
Registration for |
RECONF |
Paper # |
RECONF2005-52 |
Volume (vol) |
vol.105 |
Number (no) |
no.288 |
Page |
pp.67-72 |
#Pages |
6 |
Date of Issue |
2005-09-09 (RECONF) |
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