Defocus blur correcting projector-camera system

Yuji Oyamada, Hideo Saito

研究成果: Conference contribution

10 被引用数 (Scopus)


To use a projector anytime anywhere, a lot of projector-camera based approaches have been proposed. In this paper, we focus on a focal correction technique, one of projector-camera based approaches, reduces an effect of defocus blur which occurs when a screen is located out of projector's depth-of-field. We propose a novel method for estimating projector defocus blur on a planar screen without any special measuring images. To estimate a degree of defocus blur accurate, we extract sub-region which is well-suited for defocus blur estimation in a projection image and estimate the degree of defocus blur at each extracted region. To remove the degradation caused by the defocus blur, we pre-correct the projection image depends on the degree of defocus blur before projection. Experimental results show that our method can estimate the degree of defocus blur without projecting any special images and pre-corrected image can reduce the effect of the defocus blur.

ホスト出版物のタイトルAdvanced Concepts for Intelligent Vision Systems - 10th International Conference, ACIVS 2008, Proceedings
出版社Springer Verlag
ISBN(印刷版)3540884572, 9783540884576
出版ステータスPublished - 2008
イベント10th International Conference on Advanced Concepts for Intelligent Vision Systems, ACIVS 2008 - Juan-les-Pins, France
継続期間: 2008 10 202008 10 24


名前Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
5259 LNCS


Other10th International Conference on Advanced Concepts for Intelligent Vision Systems, ACIVS 2008

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Computer Science(all)

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