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相关论文: Neuromorphic Cameras in Astronomy: Unveiling the F…

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Conventional frame-based cameras often struggle with limited dynamic range, leading to saturation and loss of detail when capturing scenes with significant brightness variations. Neuromorphic cameras, inspired by human retina, offer a…

天体物理仪器与方法 · 物理学 2025-07-22 Satyapreet Singh Yadav , Nirupam Roy , Chetan Singh Thakur

Neuromorphic imaging is an emerging technique that imitates the human retina to sense variations in dynamic scenes. It responds to pixel-level brightness changes by asynchronous streaming events and boasts microsecond temporal precision…

图像与视频处理 · 电气工程与系统科学 2024-10-23 Pei Zhang , Shuo Zhu , Chutian Wang , Yaping Zhao , Edmund Y. Lam

The astronomy community has witnessed an explosive growth in the use of deep-learning techniques based on neural networks since the mid-2010s. The widespread adoption of these nature-inspired technologies has helped astronomers tackle…

天体物理仪器与方法 · 物理学 2023-10-26 John Hoang

In this work, we present optical space imaging using an unconventional yet promising class of imaging devices known as neuromorphic event-based sensors. These devices, which are modeled on the human retina, do not operate with frames, but…

计算机视觉与模式识别 · 计算机科学 2019-11-21 Saeed Afshar , Andrew P Nicholson , Andre van Schaik , Gregory Cohen

As an emerging approach to space situational awareness and space imaging, the practical use of an event-based camera in space imaging for precise source analysis is still in its infancy. The nature of event-based space imaging and data…

信号处理 · 电气工程与系统科学 2022-11-21 Nicholas Owen Ralph , Alexandre Marcireau , Saeed Afshar , Nicholas Tothill , André van Schaik , Gregory Cohen

We present a portable multiscopic camera system with a dedicated model for novel view and time synthesis in dynamic scenes. Our goal is to render high-quality images for a dynamic scene from any viewpoint at any time using our portable…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Tianjia Zhang , Yuen-Fui Lau , Qifeng Chen

Neuromorphic sensors, also known as event cameras, are a class of imaging devices mimicking the function of biological visual systems. Unlike traditional frame-based cameras, which capture fixed images at discrete intervals, neuromorphic…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Federico Becattini , Lorenzo Berlincioni , Luca Cultrera , Alberto Del Bimbo

Neuromorphic, or event, cameras represent a transformation in the classical approach to visual sensing encodes detected instantaneous per-pixel illumination changes into an asynchronous stream of event packets. Their novelty compared to…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Claudio Cimarelli , Jose Andres Millan-Romera , Holger Voos , Jose Luis Sanchez-Lopez

Fast moving celestial objects are characterized by velocities across the celestial sphere that significantly differ from the motions of background stars. In observational images, these objects exhibit distinct shapes, contrasting with the…

天体物理仪器与方法 · 物理学 2025-04-11 Peng Jia , Ge Li , Bafeng Cheng , Yushan Li , Rongyu Sun

Underwater environments impose severe constraints on conventional imaging systems and demand solutions that balance high-quality sensing with strict resource efficiency. While emerging event cameras offer a promising alternative, their…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Pei Zhang , Yunkai Liang , Kaiqiang Wang

Neuromorphic sampling is a paradigm shift in analog-to-digital conversion where the acquisition strategy is opportunistic and measurements are recorded only when there is a significant change in the signal. Neuromorphic sampling has given…

信号处理 · 电气工程与系统科学 2023-06-09 Abijith Jagannath Kamath , Chandra Sekhar Seelamantula

Inspired by the human brain's structure and function, neuromorphic computing has emerged as a promising approach for developing energy-efficient and powerful computing systems. Neuromorphic computing offers significant processing speed and…

新兴技术 · 计算机科学 2023-11-28 Jonathan Naoukin , Murat Isik , Karn Tiwari

Quantum optics potentially offers an information channel from the Universe beyond the established ones of imaging and spectroscopy. All existing cameras and all spectrometers measure aspects of the first-order spatial and/or temporal…

天体物理学 · 物理学 2015-06-24 Dainis Dravins

Bio-inspired neuromorphic cameras sense illumination changes on a per-pixel basis and generate spatiotemporal streaming events within microseconds in response, offering visual information with high temporal resolution over a high dynamic…

信号处理 · 电气工程与系统科学 2024-03-22 Pei Zhang , Shuo Zhu , Edmund Y. Lam

Unlike traditional cameras which synchronously register pixel intensity, neuromorphic sensors only register `changes' at pixels where a change is occurring asynchronously. This enables neuromorphic sensors to sample at a micro-second level…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Harbir Antil , Daniel Blauvelt , David Sayre

Fast sampling photometry is essential for characterising fireballs and their fragmentation episodes which link to the meteoroid internal structure. Accurate measurements remain challenging due to the large required dynamic range of up to 10…

天体物理仪器与方法 · 物理学 2026-02-24 Dale Giancono , Hadrien Devillepoix , Robert Howie , Denis Vida , David Rollinson

Diluted arrays of many optical apertures will be able to provide h igh-resolution snapshot images if the beams are combined according to the densified-pupil scheme. We show that the same principle can also provide coronagraphic images, for…

天体物理学 · 物理学 2009-10-31 A. Boccaletti , P. Riaud , C. Moutou , A. Labeyrie

Adaptive Optics is a prime example of how progress in observational astronomy can be driven by technological developments. At many observatories it is now considered to be part of a standard instrumentation suite, enabling ground-based…

天体物理仪器与方法 · 物理学 2015-06-03 R. Davies , M. Kasper

In recent years, drone detection has quickly become a subject of extreme interest: the potential for fast-moving objects of contained dimensions to be used for malicious intents or even terrorist attacks has posed attention to the necessity…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Gabriele Magrini , Federico Becattini , Pietro Pala , Alberto Del Bimbo , Antonio Porta

I argue that there is a crisis in optical Astronomy due to a paucity of telescopes and thus the need for a paradigm shift in telescope technology. Large increases in collecting areas and observing time/astronomer are only possible if we…

天体物理学 · 物理学 2007-05-23 E. F. Borra
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