Spectral image sensing in the smartphone and its applications

Young-Geun Roh; Hyochul Kim; Wooshik Kim; Jaesoong Lee; Suyeon Lee; Youngho Jung; Heejin Choi; Sangyoon Lee

doi:10.1117/12.2663766

15 June 2023 Spectral image sensing in the smartphone and its applications

Young-Geun Roh, Hyochul Kim, Wooshik Kim, Jaesoong Lee, Suyeon Lee, Youngho Jung, Heejin Choi, Sangyoon Lee

Proceedings Volume PC12514, Image Sensing Technologies: Materials, Devices, Systems, and Applications X; PC1251408 (2023) https://doi.org/10.1117/12.2663766
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States

Abstract

We have developed a spectral image sensor based on CMOS image sensor for smartphone. The spectral image sensor consists of optical bandpass filter array integrated on top of image sensor pixels. Each filter has a different transmission wavelength peaks so spectral information is directly retrieved by intensity map of the image sensor. We applied the spectral sensor technology to 1) Raman spectroscopy for drug identification, 2) Freshness detection of vegetables and 3) hyperspectral imaging applications for color enhancement, food inspection and skincare.

Conference Presentation

Citation Download Citation

Young-Geun Roh, Hyochul Kim, Wooshik Kim, Jaesoong Lee, Suyeon Lee, Youngho Jung, Heejin Choi, and Sangyoon Lee "Spectral image sensing in the smartphone and its applications", Proc. SPIE PC12514, Image Sensing Technologies: Materials, Devices, Systems, and Applications X, PC1251408 (15 June 2023); https://doi.org/10.1117/12.2663766

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