| DOI | Resolve DOI: https://doi.org/10.1109/TIM.2022.3181936 |
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| Author | Search for: Djupkep Dizeu, Frank Billy1ORCID identifier: https://orcid.org/0000-0002-0267-9163; Search for: Boisvert, Jonathan1ORCID identifier: https://orcid.org/0000-0002-4161-3968; Search for: Drouin, Marc-Antoine1ORCID identifier: https://orcid.org/0000-0001-8344-0842; Search for: Godin, Guy1ORCID identifier: https://orcid.org/0000-0002-1114-2595; Search for: Rivard, Maxime1ORCID identifier: https://orcid.org/0000-0001-8624-8768; Search for: Lamouche, Guy1ORCID identifier: https://orcid.org/0000-0002-9831-8273 |
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| Affiliation | - National Research Council of Canada. Digital Technologies
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| Format | Text, Article |
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| Physical description | 19 p. |
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| Subject | 3-D imaging; 3-D shape acquisition; discrete Fourier transform (DFT); fringe projection; global illumination; interreflections; structured light; lighting; three-dimensional displays; cameras; shape; high frequency; image reconstruction; discrete fourier transforms |
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| Abstract | This article presents a structured light codification technique called frequency shift method which is especially designed for scenes containing strong interreflections. The method works by projecting multiple sine wave patterns having different frequencies. While the phase shift method associates a phase to each column of the projector, in the proposed codification, each column of the projector is uniquely encoded by the frequencies used and explicitly decoded using the discrete Fourier transform. This encoding allows the method to recover all the projector columns that contribute to a camera pixel’s observed intensity. An energy minimization is then used to separate direct and indirect illuminations. Objects presenting diffuse and specular interreflections are considered, and our experimental results illustrate the efficiency of our method compared with previously proposed methods. |
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| Publication date | 2022-06-15 |
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| Publisher | Institute of Electrical and Electronics Engineers |
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| In | |
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| Language | English |
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| Peer reviewed | Yes |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 544d5cd4-ade2-435d-9d9e-1ecf9a7180a8 |
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| Record created | 2022-06-29 |
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| Record modified | 2022-06-30 |
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