Depth from Defocus Technique Based on Cross Reblurring

Material type: 文書・図像類

Author: TAKEMURA, Kazumiほか

Publisher: THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. / 一般社団法人電子情報通信学会

Publication date: 2019-11-01

Material Format: Digital

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Note (General)：: This paper proposes a novel Depth From Defocus (DFD) technique based on the property that two images having different focus settings coincide if they ...

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Material Type: 文書・図像類
Title: Depth from Defocus Technique Based on Cross Reblurring
Author/Editor: TAKEMURA, Kazumi
YOSHIDA, Toshiyuki
Author Heading: TAKEMURA, Kazumi
YOSHIDA, Toshiyuki
Publication, Distribution, etc.: THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. / 一般社団法人電子情報通信学会
Publication Date: 2019-11-01
Publication Date (W3CDTF): 2019-11-01
Periodical title: IEICE Transactions on Information and Systems
No. or year of volume/issue: E102.D 11
Volume: E102.D
Issue: 11
Pages: 2083-2092
ISSN (Periodical Title): ISSN : 1745-1361
ISSN : 0916-8532
Text Language Code: eng
Subject Heading: depth from defocus (DFD)
depth estimation
multi-focus images
blur
telecentric optics
pixel disalignment
Target Audience: 一般
Note (General): This paper proposes a novel Depth From Defocus (DFD) technique based on the property that two images having different focus settings coincide if they are reblurred with the opposite focus setting, which is referred to as the “cross reblurring" property in this paper. Based on the property, the proposed technique estimates the block-wise depth profile for a target object by minimizing the mean squared error between the cross-reblurred images. Unlike existing DFD techniques, the proposed technique is free of lens parameters and independent of point spread function models. A compensation technique for a possible pixel disalignment between images is also proposed to improve the depth estimation accuracy. The experimental results and comparisons with the other DFD techniques show the advantages of our technique.
Access Restrictions: 限定公開
Rights (production): (c) 2019 The Institute of Electronics, Information and Communication Engineers
Related Material (DOI): 10.1587/transinf.2019PCP0004
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ