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The spike camera, with its high temporal resolution, low latency, and high dynamic range, addresses high-speed imaging challenges like motion blur. It captures photons at each pixel independently, creating binary spike streams rich in…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Liangyan Jiang , Chuang Zhu , Yanxu Chen

Spectral compressive imaging (SCI) is able to encode the high-dimensional hyperspectral image to a 2D measurement, and then uses algorithms to reconstruct the spatio-spectral data-cube. At present, the main bottleneck of SCI is the…

图像与视频处理 · 电气工程与系统科学 2023-07-04 Lishun Wang , Zongliang Wu , Yong Zhong , Xin Yuan

Snapshot compressive imaging (SCI) refers to the recovery of three-dimensional data cubes-such as videos or hyperspectral images-from their two-dimensional projections, which are generated by a special encoding of the data with a mask. SCI…

信息论 · 计算机科学 2025-02-05 Mengyu Zhao , Shirin Jalali

We present a new two-snapshot structured light illumination (SLI) reconstruction algorithm for fast image acquisition. The new algorithm, which only requires two mutually {\pi} phase-shifted raw structured images, is implemented on a…

光学 · 物理学 2017-10-25 Yunlong Meng , Wei Lin , Chenglin Li , Shih-chi Chen

Snapshot compressive imaging (SCI) aims to record three-dimensional signals via a two-dimensional camera. For the sake of building a fast and accurate SCI recovery algorithm, we incorporate the interpretability of model-based methods and…

图像与视频处理 · 电气工程与系统科学 2021-09-15 Zhuoyuan Wu , Jian Zhang , Chong Mou

We introduce a compressive single-pixel imaging (SPI) framework for high-resolution image capture in fractions of a second. This framework combines a dedicated sampling strategy with a tailored reconstruction method to enable high-quality…

图像与视频处理 · 电气工程与系统科学 2025-09-03 Anna Pastuszczak , Rafał Stojek , Piotr Wróbel , Magdalena Cwojdzińska , Kacper Sobczak , Rafał Kotyński

Spatial multiplexing cameras (SMCs) acquire a (typically static) scene through a series of coded projections using a spatial light modulator (e.g., a digital micro-mirror device) and a few optical sensors. This approach finds use in imaging…

计算机视觉与模式识别 · 计算机科学 2015-08-06 Aswin C. Sankaranarayanan , Lina Xu , Christoph Studer , Yun Li , Kevin Kelly , Richard G. Baraniuk

Compressed streak imaging (CSI) is a computational imaging strategy that can acquire video at over 150 trillion frames per second. Despite this achievement, CSI faces challenges in detecting subtle intensity fluctuations in slow-moving,…

A deep denoising based channel estimation framework is proposed for orthogonal time frequency space (OTFS) modulated systems, wherein channel state information (CSI) recovery is formulated as an image restoration problem. A salient…

信号处理 · 电气工程与系统科学 2026-05-29 Surbhi Gehlot , Siddhi Shinde , Suraj Srivastava , Sandeep Kumar Yadav

The extraction of a clean background image by removing foreground occlusion holds immense practical significance, but it also presents several challenges. Presently, the majority of de-occlusion research focuses on addressing this issue…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Jiyuan Zhang , Shiyan Chen , Yajing Zheng , Zhaofei Yu , Tiejun Huang

Snapshot compressive imaging (SCI) surges as a novel way of capturing hyperspectral images. It operates an optical encoder to compress the 3D data into a 2D measurement and adopts a software decoder for the signal reconstruction. Recently,…

图像与视频处理 · 电气工程与系统科学 2025-03-21 Jiamian Wang , Kunpeng Li , Yulun Zhang , Xin Yuan , Zhiqiang Tao

Achieving both high-performance and wide field-of-view (FOV) super-resolution imaging has been attracting increasing attention in recent years. However, such goal suffers from long reconstruction time and huge storage space. Parallel…

图像与视频处理 · 电气工程与系统科学 2025-03-19 Xiao-Peng Jin , An-Dong Xiong , Wei Zhang , Xiao-Qing Wang , Fan Liu , Chang-Heng Li , Xu-Ri Yao , Xue-Feng Liu , Qing Zhao

Unsupervised video object segmentation (VOS) aims to detect the most prominent object in a video. Recently, two-stream approaches that leverage both RGB images and optical flow have gained significant attention, but their performance is…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Suhwan Cho , Minhyeok Lee , Jungho Lee , Donghyeong Kim , Sangyoun Lee

Imagining multiple consecutive frames given one single snapshot is challenging, since it is difficult to simultaneously predict diverse motions from a single image and faithfully generate novel frames without visual distortions. In this…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Lu Sheng , Junting Pan , Jiaming Guo , Jing Shao , Xiaogang Wang , Chen Change Loy

Unsupervised video object segmentation (VOS), also known as video salient object detection, aims to detect the most prominent object in a video at the pixel level. Recently, two-stream approaches that leverage both RGB images and optical…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Suhwan Cho , Minhyeok Lee , Jungho Lee , Donghyeong Kim , Seunghoon Lee , Sungmin Woo , Sangyoun Lee

Coded aperture snapshot spectral imaging (CASSI) is a promising technique to capture the three-dimensional hyperspectral image (HSI) using a single coded two-dimensional (2D) measurement, in which algorithms are used to perform the inverse…

图像与视频处理 · 电气工程与系统科学 2021-01-01 Wei He , Naoto Yokoya , Xin Yuan

For visual estimation of optical flow, a crucial function for many vision tasks, unsupervised learning, using the supervision of view synthesis has emerged as a promising alternative to supervised methods, since ground-truth flow is not…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Zitang Sun , Shin'ya Nishida , Zhengbo Luo

Event camera has offered promising alternative for visual perception, especially in high speed and high dynamic range scenes. Recently, many deep learning methods have shown great success in providing promising solutions to many event-based…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Ziluo Ding , Rui Zhao , Jiyuan Zhang , Tianxiao Gao , Ruiqin Xiong , Zhaofei Yu , Tiejun Huang

Snapshot compressive imaging (SCI) can record the 3D information by a 2D measurement and from this 2D measurement to reconstruct the original 3D information by reconstruction algorithm. As we can see, the reconstruction algorithm plays a…

图像与视频处理 · 电气工程与系统科学 2022-08-23 Chengshuai Yang , Shiyu Zhang , Xin Yuan

Reconstructing high-quality magnetic resonance images (MRI) from undersampled raw data is of great interest from both technical and clinical point of views. To this date, however, it is still a mathematically and computationally challenging…

数值分析 · 数学 2021-09-01 T. Schmoderer , A. I Aviles-Rivero , V. Corona , N. Debroux , C-B. Schönlieb