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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

Earthquake hazard analysis and design of spatially distributed infrastructure, such as power grids and energy pipeline networks, require scenario-specific ground-motion time histories with realistic frequency content and spatiotemporal…

3D reconstruction methods such as 3D Gaussian Splatting (3DGS) and Neural Radiance Fields (NeRF) achieve impressive photorealism but fail when input images suffer from severe motion blur. While event cameras provide high-temporal-resolution…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Jun Dai , Renbiao Jin , Bo Xu , Yutian Chen , Linning Xu , Mulin Yu , Tianfan Xue , Shi Guo

Remote sensing spatiotemporal fusion (STF) addresses the fundamental trade-off between temporal and spatial resolution by combining high temporal-low spatial and high spatial-low temporal imagery. This paper presents the first comprehensive…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Enzhe Sun , Yongchuan Cui , Peng Liu , Jining Yan

Learning-based optical flow estimation has been dominated with the pipeline of cost volume with convolutions for flow regression, which is inherently limited to local correlations and thus is hard to address the long-standing challenge of…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Haofei Xu , Jing Zhang , Jianfei Cai , Hamid Rezatofighi , Dacheng Tao

Accurate delineation of agricultural field boundaries is essential for effective crop monitoring and resource management. However, competing methodologies often face significant challenges, particularly in their reliance on extensive manual…

Accurate and real-time radio map (RM) generation is crucial for next-generation wireless systems, yet diffusion-based approaches often suffer from large model sizes, slow iterative denoising, and high inference latency, which hinder…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Haozhe Jia , Wenshuo Chen , Xiucheng Wang , Nan Cheng , Hongbo Zhang , Kuimou Yu , Songning Lai , Nanjian Jia , Bowen Tian , Hongru Xiao , Yutao Yue

Recurrent Neural Networks (RNNs) have been widely applied to deal with temporal problems, such as flood forecasting and financial data processing. On the one hand, traditional RNNs models amplify the gradient issue due to the strict time…

神经与进化计算 · 计算机科学 2022-11-07 Jin Wang , Yongsong Zou , Se-Jung Lim

Reconstructing the early Universe from the evolved present-day Universe is a challenging and computationally demanding problem in modern astrophysics. We devise a novel generative framework, Cosmo3DFlow, designed to address dimensionality…

天体物理仪器与方法 · 物理学 2026-02-12 Md. Khairul Islam , Zeyu Xia , Ryan Goudjil , Jialu Wang , Arya Farahi , Judy Fox

Satellite images hold great promise for continuous environmental monitoring and earth observation. Occlusions cast by clouds, however, can severely limit coverage, making ground information extraction more difficult. Existing pipelines…

计算机视觉与模式识别 · 计算机科学 2019-12-17 Vishnu Sarukkai , Anirudh Jain , Burak Uzkent , Stefano Ermon

Continuous sign language recognition (cSLR) is a public significant task that transcribes a sign language video into an ordered gloss sequence. It is important to capture the fine-grained gloss-level details, since there is no explicit…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Pan Xie , Zhi Cui , Yao Du , Mengyi Zhao , Jianwei Cui , Bin Wang , Xiaohui Hu

Data heterogeneity hinders clinical deployment of medical image analysis models, and generative data augmentation helps mitigate this issue. However, recent diffusion-based methods that synthesize image-mask pairs often ignore distribution…

图像与视频处理 · 电气工程与系统科学 2026-04-06 Jie Yang , Ziqi Ye , Aihua Ke , Jian Luo , Bo Cai , Xiaosong Wang

Multiresolution image fusion is a key problem for real-time satellite imaging and plays a central role in detecting and monitoring natural phenomena such as floods. It aims to solve the trade-off between temporal and spatial resolution in…

图像与视频处理 · 电气工程与系统科学 2025-09-17 Haoqing Li , Ricardo Borsoi , Tales Imbiriba , Pau Closas

Floods are one of the most common and devastating natural disasters worldwide. The contribution of remote sensing is important for reducing the impact of flooding both during the event itself and for improving hydrodynamic models by…

Although diffusion-based real-world image restoration (Real-IR) has achieved remarkable progress, efficiently leveraging ultra-large-scale pre-trained text-to-image (T2I) models and fully exploiting their potential remain significant…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Purui Bai , Junxian Duan , Pin Wang , Jinhua Hao , Ming Sun , Chao Zhou , Huaibo Huang

Recent advances in generative modeling have demonstrated strong promise for high-quality point cloud upsampling. In this work, we present PUFM++, an enhanced flow-matching framework for reconstructing dense and accurate point clouds from…

计算机视觉与模式识别 · 计算机科学 2025-12-25 Zhi-Song Liu , Chenhang He , Roland Maier , Andreas Rupp

In this paper, we introduce a novel approach that combines multiresolution (MR) techniques with the flux reconstruction (FR) method to accurately and effciently simulate compressible flows. We achieve further enhancements in effciency…

流体动力学 · 物理学 2023-06-21 Yixuan Lian , Jinsheng Cai , Shucheng Pan

Scene flow enables an understanding of the motion characteristics of the environment in the 3D world. It gains particular significance in the long-range, where object-based perception methods might fail due to sparse observations far away.…

计算机视觉与模式识别 · 计算机科学 2025-01-30 Ajinkya Khoche , Qingwen Zhang , Laura Pereira Sanchez , Aron Asefaw , Sina Sharif Mansouri , Patric Jensfelt

Recently, the RGB images and point clouds fusion methods have been proposed to jointly estimate 2D optical flow and 3D scene flow. However, as both conventional RGB cameras and LiDAR sensors adopt a frame-based data acquisition mechanism,…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Zhexiong Wan , Yuxin Mao , Jing Zhang , Yuchao Dai

Existing adherent raindrop removal methods focus on the detection of the raindrop locations, and then use inpainting techniques or generative networks to recover the background behind raindrops. Yet, as adherent raindrops are diverse in…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Wending Yan , Lu Xu , Wenhan Yang , Robby T. Tan