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Existing state-of-the-art disparity estimation works mostly leverage the 4D concatenation volume and construct a very deep 3D convolution neural network (CNN) for disparity regression, which is inefficient due to the high memory consumption…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Songyan Zhang , Zhicheng Wang , Qiang Wang , Jinshuo Zhang , Gang Wei , Xiaowen Chu

Graph neural networks are widely used for node classification, but they remain vulnerable to out-of-distribution (OOD) shifts in node features and graph structure. Prior work established that methods trained with standard supervised…

机器学习 · 计算机科学 2026-05-15 Danny Wang , Ruihong Qiu , Zi Huang

Deep generative models offer a powerful alternative to conventional channel estimation by learning complex channel distributions. By integrating the rich environmental information available in modern sensing-aided networks, this paper…

机器学习 · 计算机科学 2026-03-17 Xiaotian Fan , Xingyu Zhou , Le Liang , Xiao Li , Shi Jin

Topological data analysis (TDA) provides a set of data analysis tools for extracting embedded topological structures from complex high-dimensional datasets. In recent years, TDA has been a rapidly growing field which has found success in a…

统计方法学 · 统计学 2022-03-09 Xiaojun Zheng , Simon Mak , Liyan Xie , Yao Xie

A new time-delay estimation (TDE) technique based on dynamic programming is developed, to measures the time-varying time-delay between two signals. Dynamic programming based TDE technique provides a frequency response 5 to 10 times higher…

等离子体物理 · 物理学 2010-01-11 Deepak K. Gupta , George R. McKee , Raymond R. Fonck

Deep neural networks based methods have been proved to achieve outstanding performance on object detection and classification tasks. Despite significant performance improvement, due to the deep structures, they still require prohibitive…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Mohammad Farhadi , Yezhou Yang

3D reconstruction is a useful tool for surgical planning and guidance. However, the lack of available medical data stunts research and development in this field, as supervised deep learning methods for accurate disparity estimation rely…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Alistair Weld , Joao Cartucho , Chi Xu , Joseph Davids , Stamatia Giannarou

While recurrent neural networks (RNNs) demonstrate outstanding capabilities for future video frame prediction, they model dynamics in a discrete time space, i.e., they predict the frames sequentially with a fixed temporal step. RNNs are…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Saber Pourheydari , Emad Bahrami , Mohsen Fayyaz , Gianpiero Francesca , Mehdi Noroozi , Juergen Gall

A time-delay embedding (TDE), grounded in the framework of Takens's Theorem, provides a mechanism to represent and analyze the inherent dynamics of time-series data. Recently, topological data analysis (TDA) methods have been applied to…

统计方法学 · 统计学 2024-10-18 Sixtus Dakurah , Jessi Cisewski-Kehe

Depth estimation, essential for autonomous driving, seeks to interpret the 3D environment surrounding vehicles. The development of radar sensors, known for their cost-efficiency and robustness, has spurred interest in radar-camera…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Huawei Sun , Zixu Wang , Hao Feng , Julius Ott , Lorenzo Servadei , Robert Wille

In this paper, we propose a spatio-temporal contextual network, STC-Flow, for optical flow estimation. Unlike previous optical flow estimation approaches with local pyramid feature extraction and multi-level correlation, we propose a…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Xiaolin Song , Yuyang Zhao , Jingyu Yang

Traffic flow forecasting is considered a critical task in the field of intelligent transportation systems. In this paper, to address the issue of low accuracy in long-term forecasting of spatial-temporal big data on traffic flow, we propose…

机器学习 · 计算机科学 2024-07-17 Baichao Long , Wang Zhu , Jianli Xiao

This paper studies unsupervised monocular depth prediction problem. Most of existing unsupervised depth prediction algorithms are developed for outdoor scenarios, while the depth prediction work in the indoor environment is still very…

计算机视觉与模式识别 · 计算机科学 2019-11-21 Yinglong Feng , Shuncheng Wu , Okan Köpüklü , Xueyang Kang , Federico Tombari

Solving partial differential equations (PDEs) by numerical methods meet computational cost challenge for getting the accurate solution since fine grids and small time steps are required. Machine learning can accelerate this process, but…

数值分析 · 数学 2025-01-28 Qi Wang , Yuan Mi , Haoyun Wang , Yi Zhang , Ruizhi Chengze , Hongsheng Liu , Ji-Rong Wen , Hao Sun

Recently, iteration-based stereo matching has shown great potential. However, these models optimize the disparity map using RNN variants. The discrete optimization process poses a challenge of information loss, which restricts the level of…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Yuguang Shi

Sparse-to-dense interpolation for optical flow is a fundamental phase in the pipeline of most of the leading optical flow estimation algorithms. The current state-of-the-art method for interpolation, EpicFlow, is a local average method…

计算机视觉与模式识别 · 计算机科学 2017-02-27 Shay Zweig , Lior Wolf

Change detection typically involves identifying regions with changes between bitemporal images taken at the same location. Besides significant changes, slow changes in bitemporal images are also important in real-life scenarios. For…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Haoxuan Li , Chenxu Wei , Haodong Wang , Xiaomeng Hu , Boyuan An , Lingyan Ran , Baosen Zhang , Jin Jin , Omirzhan Taukebayev , Amirkhan Temirbayev , Junrui Liu , Xiuwei Zhang

Event-based cameras are novel, efficient sensors inspired by the human vision system, generating an asynchronous, pixel-wise stream of data. Learning from such data is generally performed through heavy preprocessing and event integration…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Giorgio Giannone , Asha Anoosheh , Alessio Quaglino , Pierluca D'Oro , Marco Gallieri , Jonathan Masci

Urban spatio-temporal prediction under extreme conditions (e.g., heavy rain) is challenging due to event rarity and dynamics. Existing data-driven approaches that incorporate weather as auxiliary input often rely on coarse-grained…

人工智能 · 计算机科学 2026-02-02 Qian Hong , Siyuan Chang , Xiao Zhou

Modern graph representation learning works mostly under the assumption of dealing with regularly sampled temporal graph snapshots, which is far from realistic, e.g., social networks and physical systems are characterized by continuous…

机器学习 · 计算机科学 2024-09-11 Alessio Gravina , Daniele Zambon , Davide Bacciu , Cesare Alippi