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Hyperspectral compressive imaging takes advantage of compressive sensing theory to achieve coded aperture snapshot measurement without temporal scanning, and the entire three-dimensional spatial-spectral data is captured by a…

图像与视频处理 · 电气工程与系统科学 2021-08-03 Yubao Sun , Ying Yang , Qingshan Liu , Mohan Kankanhalli

Digital two-dimensional (2D) spatial sampling devices (such as charge-coupled device) have been widely used in various imaging systems, especially in computational imaging systems. However, the undersampling of digital sampling devices is a…

图像与视频处理 · 电气工程与系统科学 2019-10-02 Junzheng Peng , Manhong Yao , Zixin Cai , Xue Qiu , Zibang Zhang , Shiping Li , Jingang Zhong

The event camera is a novel bio-inspired vision sensor. When the brightness change exceeds the preset threshold, the sensor generates events asynchronously. The number of valid events directly affects the performance of event-based tasks,…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Xijie Xiang , Lin Zhu , Jianing Li , Yonghong Tian , Tiejun Huang

Camera sensors can only capture a limited range of luminance simultaneously, and in order to create high dynamic range (HDR) images a set of different exposures are typically combined. In this paper we address the problem of predicting…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Gabriel Eilertsen , Joel Kronander , Gyorgy Denes , Rafał K. Mantiuk , Jonas Unger

Fusing a sequence of perfectly aligned images captured at various exposures, has shown great potential to approach High Dynamic Range (HDR) imaging by sensors with limited dynamic range. However, in the presence of large motion of scene…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Rui Zhou , Yan Niu

Infrared and visible image fusion, as a hot topic in image processing and image enhancement, aims to produce fused images retaining the detail texture information in visible images and the thermal radiation information in infrared images. A…

图像与视频处理 · 电气工程与系统科学 2021-04-15 Zixiang Zhao , Jiangshe Zhang , Shuang Xu , Kai Sun , Chunxia Zhang , Junmin Liu

A neuromorphic camera is an image sensor that emulates the human eyes capturing only changes in local brightness levels. They are widely known as event cameras, silicon retinas or dynamic vision sensors (DVS). DVS records asynchronous…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Sally Khaidem , Mansi Sharma , Abhipraay Nevatia

Traditional cameras face a trade-off between low-light performance and high-speed imaging: longer exposure times to capture sufficient light results in motion blur, whereas shorter exposures result in Poisson-corrupted noisy images. While…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Manasi Muglikar , Siddharth Somasundaram , Akshat Dave , Edoardo Charbon , Ramesh Raskar , Davide Scaramuzza

Eye-tracking technology is integral to numerous consumer electronics applications, particularly in the realm of virtual and augmented reality (VR/AR). These applications demand solutions that excel in three crucial aspects: low-latency,…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Baoheng Zhang , Yizhao Gao , Jingyuan Li , Hayden Kwok-Hay So

Hyperspectral imaging (HSI) has a wide range of applications from environmental monitoring to biotechnology. Current snapshot HSI techniques all require a trade-off between spatial and spectral resolution and are thus unable to achieve high…

光学 · 物理学 2023-01-11 Yingwen Zhang , Duncan England , Benjamin Sussman

Hyperspectral image super-resolution is essential for enhancing the spatial fidelity of HSI data, yet existing deep learning methods often struggle with substantial spectral redundancy and the limited non-linear modeling capacity of…

图像与视频处理 · 电气工程与系统科学 2026-05-01 Tengya Zhang , Feng Gao , Lin Qi , Junyu Dong , Qian Du

Hyperspectral image (HSI) denoising is a crucial preprocessing procedure to improve the performance of the subsequent HSI interpretation and applications. In this paper, a novel deep learning-based method for this task is proposed, by…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Qiangqiang Yuan , Qiang Zhang , Jie Li , Huanfeng Shen , Liangpei Zhang

Event cameras have a lot of advantages over traditional cameras, such as low latency, high temporal resolution, and high dynamic range. However, since the outputs of event cameras are the sequences of asynchronous events overtime rather…

计算机视觉与模式识别 · 计算机科学 2020-10-13 S. Mohammad Mostafavi I. , Lin Wang , Yo-Sung Ho , Kuk-Jin Yoon

Due to the extremely low latency, events have been recently exploited to supplement lost information for motion deblurring. Existing approaches largely rely on the perfect pixel-wise alignment between intensity images and events, which is…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Mingyuan Lin , Chi Zhang , Chu He , Lei Yu

In low-light conditions, capturing videos with frame-based cameras often requires long exposure times, resulting in motion blur and reduced visibility. While frame-based motion deblurring and low-light enhancement have been studied, they…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Taewoo Kim , Jaeseok Jeong , Hoonhee Cho , Yuhwan Jeong , Kuk-Jin Yoon

Event vision sensors (neuromorphic cameras) output sparse, asynchronous ON/OFF events triggered by log-intensity threshold crossings, enabling microsecond-scale sensing with high dynamic range and low data bandwidth. As a nonlinear system,…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Nimrod Kruger , Nicholas Owen Ralph , Gregory Cohen , Paul Hurley

Recently, there has been substantial progress in image synthesis from semantic labelmaps. However, methods used for this task assume the availability of complete and unambiguous labelmaps, with instance boundaries of objects, and class…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Kuldeep Kulkarni , Tejas Gokhale , Rajhans Singh , Pavan Turaga , Aswin Sankaranarayanan

In recent years, there has been a growing interest in realizing methodologies to integrate more and more computation at the level of the image sensor. The rising trend has seen an increased research interest in developing novel event…

图像与视频处理 · 电气工程与系统科学 2021-05-05 Md Jubaer Hossain Pantho , Joel Mandebi Mbongue , Pankaj Bhowmik , Christophe Bobda

Event stereo matching is an emerging technique to estimate depth from neuromorphic cameras; however, events are unlikely to trigger in the absence of motion or the presence of large, untextured regions, making the correspondence problem…

计算机视觉与模式识别 · 计算机科学 2024-08-09 Luca Bartolomei , Matteo Poggi , Andrea Conti , Stefano Mattoccia

Deep convolution neural networks (CNNs) play a critical role in single image super-resolution (SISR) since the amazing improvement of high performance computing. However, most of the super-resolution (SR) methods only focus on recovering…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Dong Huo , Yee-Hong Yang