Polarization Demosaicking for Monochrome and Color Polarization Focal Plane Arrays

Simeng Qiu, Qiang Fu, Congli Wang, Wolfgang Heidrich

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    5 Scopus citations

    Abstract

    Division-of-focal-plane (DoFP) polarization image sensors allow for snapshot imaging of linear polarization effects with inexpensive and straightforward setups. However, conventional interpolation based image reconstruction methods for such sensors produce unreliable and noisy estimates of quantities such as degree of linear polarization (DoLP) or angle of linear polarization (AoLP). In this paper, we propose a polarization demosaicking algorithm by inverting the polarization image formation model for both monochrome and color DoFP cameras. Compared to previous interpolation methods, our approach can significantly reduce noise induced artifacts and drastically increase the accuracy in estimating polarization states. We evaluate and demonstrate the performance of the methods on a new high-resolution color polarization dataset. Simulation and experimental results show that the proposed reconstruction and analysis tools offer an effective solution to polarization imaging
    Original languageEnglish (US)
    Title of host publicationInternational Symposium on Vision, Modeling and Visualization, 2019
    PublisherThe Eurographics Association
    ISBN (Print)978-3-03868-098-7
    DOIs
    StatePublished - 2019

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