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Cuttlefish eye-inspired artificial vision for high-quality imaging under uneven illumination conditions

Cited 14 time in Web of Science Cited 13 time in Scopus
Authors

Kim, Minsung; Chang, Sehui; Kim, Minsu; Yeo, Ji-Eun; Kim, Min Seok; Lee, Gil Ju; Kim, Dae-Hyeong; Song, Young Min

Issue Date
2023-02
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Citation
Science Robotics, Vol.8 No.75, p. eade4698
Abstract
With the rise of mobile robotics, including self-driving automobiles and drones, developing artificial vision for high-contrast and high-acuity imaging in vertically uneven illumination conditions has become an important goal. In such situations, balancing uneven illumination, improving image contrast for facile object detection, and achieving high visual acuity in the main visual fields are key requirements. Meanwhile, in nature, cuttlefish (genus Sepia) have evolved an eye optimized for vertically uneven illumination conditions, which consists of a W-shaped pupil, a single spherical lens, and a curved retina with a high-density photoreceptor arrangement and polarized light sensitivity. Here, inspired by the cuttlefish eye, we report an artificial vision system consisting of a W-shaped pupil, a single ball lens, a surface-integrated flexible polarizer, and a cylindrical silicon photodiode array with a locally densified pixel arrangement. The W-shaped pupil integrated on the ball lens balances vertically uneven illumination, and the cylindrical silicon photodiode array integrated with the flexible polarizer enables high-contrast and high-acuity imaging.
ISSN
2470-9476
URI
https://hdl.handle.net/10371/192256
DOI
https://doi.org/10.1126/scirobotics.ade4698
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  • College of Engineering
  • School of Chemical and Biological Engineering
Research Area Materials Science

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