Acceleration of photon mapping: Adaptive sampling of irradiance cache by components

Ko Fan Lu, Chun Fa Chang

Research output: Contribution to conferencePaper

Abstract

Photon mapping is a two-pass method of ray tracing that makes the computation of caustics and soft indirect illumination relatively fast. Besides, the irradiance cache is rfaut method to further speed up the computation of indirect illumination in a Monte Carlo ray tracer. This paper presents rfaut method that uses the concept of irradiance cache in multiresolution to cache the irradiance of each light component in photon maps. Our method can not only make the computation more efficient but also preserve the details of scene.

Original languageEnglish
Pages18-23
Number of pages6
Publication statusPublished - 2009 Dec 1
EventAsia-Pacific Signal and Information Processing Association 2009 Annual Summit and Conference, APSIPA ASC 2009 - Sapporo, Japan
Duration: 2009 Oct 42009 Oct 7

Other

OtherAsia-Pacific Signal and Information Processing Association 2009 Annual Summit and Conference, APSIPA ASC 2009
CountryJapan
CitySapporo
Period09/10/409/10/7

Fingerprint

Photons
Sampling
Lighting
Ray tracing

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Information Systems
  • Electrical and Electronic Engineering
  • Communication

Cite this

Lu, K. F., & Chang, C. F. (2009). Acceleration of photon mapping: Adaptive sampling of irradiance cache by components. 18-23. Paper presented at Asia-Pacific Signal and Information Processing Association 2009 Annual Summit and Conference, APSIPA ASC 2009, Sapporo, Japan.

Acceleration of photon mapping : Adaptive sampling of irradiance cache by components. / Lu, Ko Fan; Chang, Chun Fa.

2009. 18-23 Paper presented at Asia-Pacific Signal and Information Processing Association 2009 Annual Summit and Conference, APSIPA ASC 2009, Sapporo, Japan.

Research output: Contribution to conferencePaper

Lu, KF & Chang, CF 2009, 'Acceleration of photon mapping: Adaptive sampling of irradiance cache by components', Paper presented at Asia-Pacific Signal and Information Processing Association 2009 Annual Summit and Conference, APSIPA ASC 2009, Sapporo, Japan, 09/10/4 - 09/10/7 pp. 18-23.
Lu KF, Chang CF. Acceleration of photon mapping: Adaptive sampling of irradiance cache by components. 2009. Paper presented at Asia-Pacific Signal and Information Processing Association 2009 Annual Summit and Conference, APSIPA ASC 2009, Sapporo, Japan.
Lu, Ko Fan ; Chang, Chun Fa. / Acceleration of photon mapping : Adaptive sampling of irradiance cache by components. Paper presented at Asia-Pacific Signal and Information Processing Association 2009 Annual Summit and Conference, APSIPA ASC 2009, Sapporo, Japan.6 p.
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