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We have developed a new method to correct dark current at relatively high temperatures for Charge-Coupled Device (CCD) images when dark frames cannot be obtained on the telescope. For images taken with the Antarctic Survey Telescopes (AST3)…

天体物理仪器与方法 · 物理学 2015-06-22 Bin Ma , Zhaohui Shang , Yi Hu , Qiang Liu , Lifan Wang , Peng Wei

When Charge Coupled Devices are used for scientific observations, their dark signal is a hindrance. In their pristine state, most CCD pixels are `cool'; they exhibit low, quasi uniform dark current, which can be estimated and corrected for.…

天体物理仪器与方法 · 物理学 2015-06-15 J. -F. Hochedez , C. Timmermans , A. Hauchecorne , M. Meftah

The Mini-SiTian project, which is the pathfinder for the SiTian project, utilizes three 30 cm telescopes equipped with commercial CMOS cameras (ZWO ASI6200MM Pro) to simulate large-area time-domain survey. Due to the avoidance of the…

天体物理仪器与方法 · 物理学 2025-04-03 Yu Zhang , Lin Du , Yi Hu , Yang Huang , Ying Wu , Min He , Hongrui Gu , Haiyang Mu , Xunhao Chen , Hong Wu

The applications of automotive cameras in Advanced Driver-Assistance Systems (ADAS) are growing rapidly as automotive manufacturers strive to provide 360 degree protection for their customers. Vision systems must capture high quality images…

图像与视频处理 · 电气工程与系统科学 2020-11-26 Shane Gilroy , John O'Dwyer , Lucas Bortoleto

In recent years, complementary metal-oxide-semiconductor (CMOS) sensors have been demonstrated to have significant potential in X-ray astronomy, where long-term reliability is crucial for space X-ray telescopes. This study examines the…

天体物理仪器与方法 · 物理学 2024-12-20 Mingjun Liu , Qinyu Wu , Zhixing Ling , Chen Zhang , Weimin Yuan , Shuang-Nan Zhang

Scientific complementary metal-oxide-semiconductor (CMOS) detectors have developed quickly in recent years thanks to their low cost and high availability. They also have some advantages over charge-coupled devices (CCDs), such as high frame…

天体物理仪器与方法 · 物理学 2023-05-17 Miguel R. Alarcon , Javier Licandro , Miquel Serra-Ricart , Enrique Joven , Vicens Gaitan , Rebeca de Sousa

Scientific CMOS (sCMOS) image sensors are a modern alternative to typical CCD detectors and are rapidly gaining popularity in observational astronomy due to their large sizes, low read-out noise, high frame rates, and cheap manufacturing.…

天体物理仪器与方法 · 物理学 2025-11-06 Arda Özdoğru , Sergey Karpov , Asen Christov , Stanislav Vítek

In recent years, scientific Complementary Metal Oxide Semiconductor (sCMOS) devices have been increasingly applied in X-ray detection, thanks to their attributes such as high frame rate, low dark current, high radiation tolerance and low…

仪器与探测器 · 物理学 2022-12-14 Yu Hsiao , Zhixing Ling , Chen Zhang , Wenxin Wang , Quan Zhou , Xinyang Wang , Shuang-Nan Zhang , Weimin Yuan

We summarize recent progress in ultrafast Complementary Metal Oxide Semiconductor (CMOS) image sensor development and the application of neural networks for post-processing of CMOS and charge-coupled device (CCD) image data to achieve…

Modern scientific complementary metal-oxide semiconductor (sCMOS) detectors provide a highly competitive alternative to charge-coupled devices (CCDs), the latter of which have historically been dominant in optical imaging. sCMOS boast…

Scientific Complementary Metal Oxide Semiconductor (sCMOS) sensors are finding increasingly more applications in astronomical observations, thanks to their advantages over charge-coupled devices (CCDs) such as a higher readout frame rate,…

天体物理仪器与方法 · 物理学 2023-03-16 Qinyu Wu , Zhixing Ling , Xinyang Wang , Chen Zhang , Weimin Yuan , Shuang-Nan Zhang

In recent years, the performance of Scientifc Complementary Metal Oxide Semiconductor (sCMOS) sensors has been improved signifcantly. Compared with CCD sensors, sCMOS sensors have various advantages, making them potentially better devices…

天体物理仪器与方法 · 物理学 2022-10-05 Qinyu Wu , Zhenqing Jia , Wenxin Wang , Zhixing Ling , Chen Zhang , Shuangnan Zhang , Weimin Yuan

The CMOS camera found in many cellphones is sensitive to ionized electrons. Gamma rays penetrate into the phone and produce ionized electrons that are then detected by the camera. Thermal noise and other noise needs to be removed on the…

仪器与探测器 · 物理学 2014-01-07 Joshua J. Cogliati , Kurt W. Derr , Jayson Wharton

CMOS detectors offer many advantages over CCDs for optical and UV astronomical applications, especially in space where high radiation tolerance is required. However, astronomical instruments are most often designed for low light-level…

The impulsive noise in astronomical images originates from various sources. It develops as a result of thermal generation in pixels, collision of cosmic rays with image sensor or may be induced by high readout voltage in Electron…

天体物理仪器与方法 · 物理学 2016-09-28 A. Popowicz , A. R. Kurek , T. Blachowicz , V. Orlov , B. Smolka

CMOS Monolithic Active Pixel Sensors (CPS) are ultra-light and highly granular silicon pixel detectors suited for highly sensitive charged particle tracking. Being manufactured with cost efficient standard CMOS processes, CPS may integrate…

仪器与探测器 · 物理学 2020-01-29 M. Deveaux

CMOS pixel sensors (CPS) represent a novel technological approach to building charged particle detectors. CMOS processes allow to integrate a sensing volume and readout electronics in a single silicon die allowing to build sensors with a…

Muons and other ionizing radiation produced by cosmic rays and radiative decays affect CMOS/CCD sensor. When particles colliding with sensors atoms cause specific kind of noise on images recorded by cameras. We present a concept and…

Aims. We describe a pilot study to explore a new generation of fast and low noise CMOS image sensors for time domain astronomy, using two remote telescopes with a baseline of 1800 km. Methods. Direct imaging with novel qCMOS image sensor…

We demonstrated a CMOS imaging system that adapts each pixel's exposure and sampling rate to capture high dynamic range (HDR) videos. The system consist of a custom designed image sensor with pixel-wise exposure configurability and a…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Jie , Zhang , Jonathan P. Newman , Xiao Wang , Chetan Singh Thakur , John Rattray , Ralph Etienne-Cummings , Matthew A. Wilson
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