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Plug-and-Play Priors (PnP) and Regularization by Denoising (RED) are widely-used frameworks for solving imaging inverse problems by computing fixed-points of operators combining physical measurement models and learned image priors. While…

图像与视频处理 · 电气工程与系统科学 2022-05-27 Jiaming Liu , Xiaojian Xu , Weijie Gan , Shirin Shoushtari , Ulugbek S. Kamilov

Spike cameras, as innovative neuromorphic devices, generate continuous spike streams to capture high-speed scenes with lower bandwidth and higher dynamic range than traditional RGB cameras. However, reconstructing high-quality images from…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Kang Chen , Yajing Zheng , Tiejun Huang , Zhaofei Yu

In recent years, deep learning-based image compression, particularly through generative models, has emerged as a pivotal area of research. Despite significant advancements, challenges such as diminished sharpness and quality in…

图像与视频处理 · 电气工程与系统科学 2024-09-18 Ryugo Morita , Hitoshi Nishimura , Ko Watanabe , Andreas Dengel , Jinjia Zhou

Sampling high-dimensional images is challenging due to limited availability of sensors; scanning is usually necessary in these cases. To mitigate this challenge, snapshot compressive imaging (SCI) was proposed to capture the…

图像与视频处理 · 电气工程与系统科学 2020-05-19 Xin Yuan

We present an algorithm for estimating consistent dense depth maps and camera poses from a monocular video. We integrate a learning-based depth prior, in the form of a convolutional neural network trained for single-image depth estimation,…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

Snapshot Compressive Imaging (SCI) offers a possibility for capturing information in high-speed dynamic scenes, requiring efficient reconstruction method to recover scene information. Despite promising results, current deep learning-based…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Zixu Wang , Hao Yang , Yu Guo , Fei Wang

Scaling and lossy coding are widely used in video transmission and storage. Previous methods for enhancing the resolution of such videos often ignore the inherent interference between resolution loss and compression artifacts, which…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Dewang Hou , Yang Zhao , Yuyao Ye , Jiayu Yang , Jian Zhang , Ronggang Wang

Snapshot Compressive Imaging (SCI) uses coded masks to compress a 3D data cube into a single 2D snapshot. In practice, multiplexing can push intensities beyond the sensor's dynamic range, producing saturation that violates the linear SCI…

图像与视频处理 · 电气工程与系统科学 2025-12-22 Mengyu Zhao , Shirin Jalali

Hyperspectral image classification (HIC) is an active research topic in remote sensing. Hyperspectral images typically generate large data cubes posing big challenges in data acquisition, storage, transmission and processing. To overcome…

图像与视频处理 · 电气工程与系统科学 2021-10-13 Hao Zhang , Xu Ma , Xianhong Zhao , Gonzalo R. Arce

Deep-learning-based hyperspectral image (HSI) restoration methods have gained great popularity for their remarkable performance but often demand expensive network retraining whenever the specifics of task changes. In this paper, we propose…

图像与视频处理 · 电气工程与系统科学 2022-09-20 Zeqiang Lai , Kaixuan Wei , Ying Fu

Real-time dense scene reconstruction during unstable camera motions is crucial for robotics, yet current RGB-D SLAM systems fail when cameras experience large viewpoint changes, fast motions, or sudden shaking. Classical optimization-based…

机器人学 · 计算机科学 2026-03-04 Siyan Dong , Zijun Wang , Lulu Cai , Yi Ma , Yanchao Yang

In this work we present a deep learning framework for video compressive sensing. The proposed formulation enables recovery of video frames in a few seconds at significantly improved reconstruction quality compared to previous approaches.…

计算机视觉与模式识别 · 计算机科学 2017-12-19 Michael Iliadis , Leonidas Spinoulas , Aggelos K. Katsaggelos

Diffusion models excel at producing high-quality samples but naively require hundreds of iterations, prompting multiple attempts to distill the generation process into a faster network. However, many existing approaches suffer from a…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Zhengyang Geng , Ashwini Pokle , J. Zico Kolter

Deep learning techniques have been applied in the context of image super-resolution (SR), achieving remarkable advances in terms of reconstruction performance. Existing techniques typically employ highly complex model structures which…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Yuxuan Jiang , Jakub Nawala , Fan Zhang , David Bull

Snapshot Compressed Imaging (SCI) offers high-speed, low-bandwidth, and energy-efficient image acquisition, but remains challenged by low-light and low signal-to-noise ratio (SNR) conditions. Moreover, practical hardware constraints in…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Fengpu Pan , Heting Gao , Jiangtao Wen , Yuxing Han

In this study, the problem of computing a sparse representation of multi-dimensional visual data is considered. In general, such data e.g., hyperspectral images, color images or video data consists of signals that exhibit strong local…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Alexandros Gkillas , Dimitris Ampeliotis , Kostas Berberidis

While deep neural networks (NN) significantly advance image compressed sensing (CS) by improving reconstruction quality, the necessity of training current CS NNs from scratch constrains their effectiveness and hampers rapid deployment.…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Bin Chen , Zhenyu Zhang , Weiqi Li , Chen Zhao , Jiwen Yu , Shijie Zhao , Jie Chen , Jian Zhang

Deformable medical image registration is traditionally formulated as an optimization problem. While classical methods solve this problem iteratively, recent learning-based approaches use recurrent neural networks (RNNs) to mimic this…

图像与视频处理 · 电气工程与系统科学 2025-07-09 Yi Zhang , Yidong Zhao , Qian Tao

The feasibility of variational quantum algorithms, the most popular correspondent of neural networks on noisy, near-term quantum hardware, is highly impacted by the circuit depth of the involved parametrized quantum circuits (PQCs). Higher…

In this work, we propose a novel procedure for video super-resolution, that is the recovery of a sequence of high-resolution images from its low-resolution counterpart. Our approach is based on a "sequential" model (i.e., each…

计算机视觉与模式识别 · 计算机科学 2016-02-16 Patrick Héas , Angélique Drémeau , Cédric Herzet