2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

Imaging Without Borders

2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

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Paper Detail

Paper ID3D-4.1
Paper Title FACTORIZED MODULATION FOR SINGLE-SHOT LIGHT-FIELD ACQUISITION
Authors Kohei Tateishi, Kohei Sakai, Chihiro Tsutake, Keita Takahashi, Toshiaki Fujii, Nagoya University, Japan
Session3D-4: 3D Image and Video Processing
LocationArea J
Session Time:Tuesday, 21 September, 13:30 - 15:00
Presentation Time:Tuesday, 21 September, 13:30 - 15:00
Presentation Poster
Topic Three-Dimensional Image and Video Processing: Light-field Image Processing and Compression
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Abstract A light field (LF), which is represented as a set of dense multi-view images, has been utilized in various 3-D applications. To make LF acquisition more efficient, researchers have investigated compressive sensing methods by incorporating modulation or coding functions into the camera. In this work, we investigate an challenging case of compressive LF acquisition in which an entire LF should be reconstructed from only a single coded image. To achieve this goal, we propose a new modulation scheme called factorized modulation that can approximate arbitrary 4-D modulation patterns in a factorized manner. Our method can be hardware-implemented by combining the architectures for coded aperture and pixel-wise coded exposure imaging. The modulation pattern is jointly optimized with a CNN-based reconstruction algorithm. Our method is validated through extensive evaluations against other modulation schemes.