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Physical and budget constraints often result in irregular sampling, which complicates accurate subsurface imaging. Pre-processing approaches, such as missing trace or shot interpolation, are typically employed to enhance seismic data in…

图像与视频处理 · 电气工程与系统科学 2023-08-09 Paul Goyes , Edwin Vargas , Claudia Correa , Yu Sun , Ulugbek Kamilov , Brendt Wohlberg , Henry Arguello

We present Photon Splatting, a physics-guided neural surrogate model for real-time wireless channel prediction in complex environments. The proposed framework introduces surface-attached virtual sources, referred to as photons, which carry…

机器学习 · 计算机科学 2025-07-08 Ge Cao , Gabriele Gradoni , Zhen Peng

Semantic segmentation in rainy scenes is a challenging task due to the complex environment, class distribution imbalance, and limited annotated data. To address these challenges, we propose a novel framework that utilizes semi-supervised…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Xiaoyu Guo , Xiang Wei , Qi Su , Huiqin Zhao , Shunli Zhang

LiDAR sensors can provide dependable 3D spatial information at a low frequency (around 10Hz) and have been widely applied in the field of autonomous driving and UAV. However, the camera with a higher frequency (around 20Hz) has to be…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Haojie Liu , Kang Liao , Chunyu Lin , Yao Zhao , Yulan Guo

Accurate and reliable pedestrian trajectory prediction is critical for the application of intelligent applications, yet achieving trustworthy prediction remains highly challenging due to the complexity of interactions among pedestrians.…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Kaiyuan Zhai , Juan Chen , Chao Wang , Zeyi Xu , Guoming Tang

Remote sensing shadow removal, which aims to recover contaminated surface information, is tricky since shadows typically display overwhelmingly low illumination intensities. In contrast, the infrared image is robust toward significant light…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Kaichen Chi , Wei Jing , Junjie Li , Qiang Li , Qi Wang

In this paper, we propose SRIF, a novel Semantic shape Registration framework based on diffusion-based Image morphing and Flow estimation. More concretely, given a pair of extrinsically aligned shapes, we first render them from multi-views,…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Mingze Sun , Chen Guo , Puhua Jiang , Shiwei Mao , Yurun Chen , Ruqi Huang

Current merged precipitation products such as IMERG, GSMAP, and CMORPH combine satellite estimates from passive microwave (PMW) and infrared (IR) observations. However, the different information content of these sensors makes it challenging…

大气与海洋物理 · 物理学 2026-05-11 Simon Pfreundschuh , Christian D. Kummerow , Jackson Tan , George J. Huffman

Deep neural networks have made great achievements in rainfall prediction.However, the current forecasting methods have certain limitations, such as with blurry generated images and incorrect spatial positions. To overcome these challenges,…

计算机视觉与模式识别 · 计算机科学 2024-02-21 XuDong Ling , ChaoRong Li , FengQing Qin , LiHong Zhu , Yuanyuan Huang

Satellite image time series (SITS) segmentation is crucial for many applications like environmental monitoring, land cover mapping and agricultural crop type classification. However, training models for SITS segmentation remains a…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Jayanth Shenoy , Xingjian Davis Zhang , Shlok Mehrotra , Bill Tao , Rem Yang , Han Zhao , Deepak Vasisht

When providing the boundary conditions for hydrological flood models and estimating the associated risk, interpolating precipitation at very high temporal resolutions (e.g. 5 minutes) is essential not to miss the cause of flooding in local…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Michiaki Tatsubori , Takao Moriyama , Tatsuya Ishikawa , Paolo Fraccaro , Anne Jones , Blair Edwards , Julian Kuehnert , Sekou L. Remy

Outdoor vision-based systems suffer from atmospheric turbulences, and rain is one of the worst factors for vision degradation. Current rain removal methods show limitations either for complex dynamic scenes, or under torrential rain with…

计算机视觉与模式识别 · 计算机科学 2018-04-26 Jie Chen , Cheen-Hau Tan , Junhui Hou , Lap-Pui Chau , He Li

Autonomous vehicles are exposed to various weather during operation, which is likely to trigger the performance limitations of the perception system, leading to the safety of the intended functionality (SOTIF) problems. To efficiently…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Zhenyuan Liu , Tong Jia , Xingyu Xing , Jianfeng Wu , Junyi Chen

Spatio-temporal forecasting is essential for real-world applications such as traffic management and urban computing. Although recent methods have shown improved accuracy, they often fail to account for dynamic deviations between current…

机器学习 · 计算机科学 2025-10-07 Haotian Gao , Zheng Dong , Jiawei Yong , Shintaro Fukushima , Kenjiro Taura , Renhe Jiang

Precipitation nowcasting is an important spatio-temporal prediction task to predict the radar echoes sequences based on current observations, which can serve both meteorological science and smart city applications. Due to the chaotic…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Demin Yu , Xutao Li , Yunming Ye , Baoquan Zhang , Chuyao Luo , Kuai Dai , Rui Wang , Xunlai Chen

Linear spectral unmixing is an essential technique in hyperspectral image processing and interpretation. In recent years, deep learning-based approaches have shown great promise in hyperspectral unmixing, in particular, unsupervised…

图像与视频处理 · 电气工程与系统科学 2022-08-10 Lin Qi , Feng Gao , Junyu Dong , Xinbo Gao , Qian Du

Due to the scarcity of annotated scene flow data, self-supervised scene flow learning in point clouds has attracted increasing attention. In the self-supervised manner, establishing correspondences between two point clouds to approximate…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Ruibo Li , Guosheng Lin , Lihua Xie

Accurate representation of wells is essential for reliable reservoir characterization and simulation of operational scenarios in subsurface flow models. Physics-informed neural networks (PINNs) have recently emerged as a promising method…

流体动力学 · 物理学 2026-05-25 Linus Walter , Qingkai Kong , Sara Hanson-Hedgecock , Víctor Vilarrasa

Rain-by-snow weather removal is a specialized task in weather-degraded image restoration aiming to eliminate coexisting rain streaks and snow particles. In this paper, we propose RSFormer, an efficient and effective Transformer that…

计算机视觉与模式识别 · 计算机科学 2023-10-30 Tao Gao , Yuanbo Wen , Kaihao Zhang , Peng Cheng , Ting Chen

As the most representative scenario of spatial-temporal forecasting tasks, the traffic forecasting task attracted numerous attention from machine learning community due to its intricate correlation both in space and time dimension. Existing…

机器学习 · 计算机科学 2024-09-16 Xinyu Ning