The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Kami telah membangunkan penderia imej terahertz Si-CMOS untuk menangani kekurangan pengesan terahertz kos rendah. Piksel pengimejan kami bersambung terus kepada ADC berasaskan VCO dan mencapai seni bina ADC selari piksel untuk pengimejan THz pengatup global berkelajuan tinggi. Dalam kertas kerja ini, kami mencadangkan teknik penentukuran digital untuk mengimbangi dan memperoleh variasi setiap piksel menggunakan operasi pengatup global. Teknik penentukuran memberikan isyarat rujukan kepada semua piksel secara serentak dan mengambil bingkai rujukan sebagai sebahagian daripada tangkapan imej berkelajuan tinggi. Menggunakan teknik ini, kami mencapai penindasan variasi keuntungan offset/bukan linear sebanyak 85.7% berbanding tanpa pembetulan.
Yuri KANAZAWA
Hokkaido University
Prasoon AMBALATHANKANDY
Hokkaido University
Masayuki IKEBE
Hokkaido University
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Salinan
Yuri KANAZAWA, Prasoon AMBALATHANKANDY, Masayuki IKEBE, "Pixel Variation Characteristics of a Global Shutter THz Imager and its Calibration Technique" in IEICE TRANSACTIONS on Fundamentals,
vol. E106-A, no. 5, pp. 832-839, May 2023, doi: 10.1587/transfun.2022GCP0004.
Abstract: We have developed a Si-CMOS terahertz image sensor to address the paucity of low-cost terahertz detectors. Our imaging pixel directly connects to a VCO-based ADC and achieves pixel parallel ADC architecture for high-speed global shutter THz imaging. In this paper, we propose a digital calibration technique for offset and gain variation of each pixel using global shutter operation. The calibration technique gives reference signal to all pixels simultaneously and takes reference frames as a part of the high-speed image captures. Using this technique, we achieve offset/non-linear gain variation suppression of 85.7% compared to without correction.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/transfun.2022GCP0004/_p
Salinan
@ARTICLE{e106-a_5_832,
author={Yuri KANAZAWA, Prasoon AMBALATHANKANDY, Masayuki IKEBE, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Pixel Variation Characteristics of a Global Shutter THz Imager and its Calibration Technique},
year={2023},
volume={E106-A},
number={5},
pages={832-839},
abstract={We have developed a Si-CMOS terahertz image sensor to address the paucity of low-cost terahertz detectors. Our imaging pixel directly connects to a VCO-based ADC and achieves pixel parallel ADC architecture for high-speed global shutter THz imaging. In this paper, we propose a digital calibration technique for offset and gain variation of each pixel using global shutter operation. The calibration technique gives reference signal to all pixels simultaneously and takes reference frames as a part of the high-speed image captures. Using this technique, we achieve offset/non-linear gain variation suppression of 85.7% compared to without correction.},
keywords={},
doi={10.1587/transfun.2022GCP0004},
ISSN={1745-1337},
month={May},}
Salinan
TY - JOUR
TI - Pixel Variation Characteristics of a Global Shutter THz Imager and its Calibration Technique
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 832
EP - 839
AU - Yuri KANAZAWA
AU - Prasoon AMBALATHANKANDY
AU - Masayuki IKEBE
PY - 2023
DO - 10.1587/transfun.2022GCP0004
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E106-A
IS - 5
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - May 2023
AB - We have developed a Si-CMOS terahertz image sensor to address the paucity of low-cost terahertz detectors. Our imaging pixel directly connects to a VCO-based ADC and achieves pixel parallel ADC architecture for high-speed global shutter THz imaging. In this paper, we propose a digital calibration technique for offset and gain variation of each pixel using global shutter operation. The calibration technique gives reference signal to all pixels simultaneously and takes reference frames as a part of the high-speed image captures. Using this technique, we achieve offset/non-linear gain variation suppression of 85.7% compared to without correction.
ER -