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Related papers: Neuromorphic spatiotemporal optical flow: Enabling…

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Optical flow estimation is essential for video processing tasks, such as restoration and action recognition. The quality of videos is constantly increasing, with current standards reaching 8K resolution. However, optical flow methods are…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Henrique Morimitsu , Xiaobin Zhu , Roberto M. Cesar , Xiangyang Ji , Xu-Cheng Yin

Spiking neurons can perform spatiotemporal feature detection by nonlinear synaptic and dendritic integration of presynaptic spike patterns. Multicompartment models of non-linear dendrites and related neuromorphic circuit designs enable…

Neural and Evolutionary Computing · Computer Science 2021-06-02 Mattias Nilsson , Foteini Liwicki , Fredrik Sandin

Optical flow is inherently a 2D search problem, and thus the computational complexity grows quadratically with respect to the search window, making large displacements matching infeasible for high-resolution images. In this paper, we take…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Haofei Xu , Jiaolong Yang , Jianfei Cai , Juyong Zhang , Xin Tong

Robust and accurate perception of humans in their 3D scene context is essential for integrating robots into everyday environments. Existing approaches, however, often fail to predict plausible and accurate human motion estimates that are…

Robotics · Computer Science 2026-05-26 Simon Schaefer , Joshua Näf , Stefan Leutenegger

Finding image correspondences remains a challenging problem in the presence of intra-class variations and large changes in scene layout. Semantic flow methods are designed to handle images depicting different instances of the same object or…

Computer Vision and Pattern Recognition · Computer Science 2017-03-22 Bumsub Ham , Minsu Cho , Cordelia Schmid , Jean Ponce

High-dynamic scene optical flow is a challenging task, which suffers spatial blur and temporal discontinuous motion due to large displacement in frame imaging, thus deteriorating the spatiotemporal feature of optical flow. Typically,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Hanyu Zhou , Haonan Wang , Haoyue Liu , Yuxing Duan , Yi Chang , Luxin Yan

Neuromorphic, or event, cameras represent a transformation in the classical approach to visual sensing encodes detected instantaneous per-pixel illumination changes into an asynchronous stream of event packets. Their novelty compared to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Claudio Cimarelli , Jose Andres Millan-Romera , Holger Voos , Jose Luis Sanchez-Lopez

The efficiency of modern machine intelligence depends on high accuracy with minimal computational cost. In spiking neural networks (SNNs), synaptic delays are crucial for encoding temporal structure, yet existing models treat them as fully…

Neural and Evolutionary Computing · Computer Science 2025-12-19 Lennart P. L. Landsmeer , Amirreza Movahedin , Mario Negrello , Said Hamdioui , Christos Strydis

The growing need for intelligent, adaptive, and energy-efficient autonomous systems across fields such as robotics, mobile agents (e.g., UAVs), and self-driving vehicles is driving interest in neuromorphic computing. By drawing inspiration…

Machine Learning · Computer Science 2025-07-25 Alberto Marchisio , Muhammad Shafique

Rapid and low power computation of optical flow (OF) is potentially useful in robotics. The dynamic vision sensor (DVS) event camera produces quick and sparse output, and has high dynamic range, but conventional OF algorithms are…

Computer Vision and Pattern Recognition · Computer Science 2017-06-20 Min Liu , Tobi Delbruck

In this paper, we consider the task of unsupervised object discovery in videos. Previous works have shown promising results via processing optical flows to segment objects. However, taking flow as input brings about two drawbacks. First,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Shuangrui Ding , Weidi Xie , Yabo Chen , Rui Qian , Xiaopeng Zhang , Hongkai Xiong , Qi Tian

Most recent works in optical flow extraction focus on the accuracy and neglect the time complexity. However, in real-life visual applications, such as tracking, activity detection and recognition, the time complexity is critical. We propose…

Computer Vision and Pattern Recognition · Computer Science 2016-03-14 Till Kroeger , Radu Timofte , Dengxin Dai , Luc Van Gool

Tactile sensing is crucial for robots aiming to achieve human-level dexterity. Among tactile-dependent skills, tactile-based object tracking serves as the cornerstone for many tasks, including manipulation, in-hand manipulation, and 3D…

Robotics · Computer Science 2025-03-19 Hung-Jui Huang , Michael Kaess , Wenzhen Yuan

Neuromorphic Computing implemented in photonic hardware is one of the most promising routes towards achieving machine learning processing at the picosecond scale, with minimum power consumption. In this work, we present a new concept for…

Emerging Technologies · Computer Science 2022-11-01 K. Sozos , A. Bogris , P. Bienstman , G. Sarantoglou , S. Deligiannidis , C. Mesaritakis

WarpFlow is a fast, interactive data querying and processing system with a focus on petabyte-scale spatiotemporal datasets and Tesseract queries. With the rapid growth in smartphones and mobile navigation services, we now have an…

Databases · Computer Science 2019-02-14 Catalin Popescu , Deepak Merugu , Giao Nguyen , Shiva Shivakumar

Unsupervised optical flow methods typically lack reliable uncertainty estimation, limiting their robustness and interpretability. We propose U$^{2}$Flow, the first recurrent unsupervised framework that jointly estimates optical flow and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Xunpei Sun , Wenwei Lin , Yi Chang , Gang Chen

We reframe scene flow as the task of estimating a continuous space-time ODE that describes motion for an entire observation sequence, represented with a neural prior. Our method, EulerFlow, optimizes this neural prior estimate against…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Kyle Vedder , Neehar Peri , Ishan Khatri , Siyi Li , Eric Eaton , Mehmet Kocamaz , Yue Wang , Zhiding Yu , Deva Ramanan , Joachim Pehserl

Event-based cameras display great potential for a variety of tasks such as high-speed motion detection and navigation in low-light environments where conventional frame-based cameras suffer critically. This is attributed to their high…

Neural and Evolutionary Computing · Computer Science 2020-09-16 Chankyu Lee , Adarsh Kumar Kosta , Alex Zihao Zhu , Kenneth Chaney , Kostas Daniilidis , Kaushik Roy

Neuromorphic object recognition with spiking neural networks (SNNs) is the cornerstone of low-power neuromorphic computing. However, existing SNNs suffer from significant latency, utilizing 10 to 40 timesteps or more, to recognize…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Yongqi Ding , Lin Zuo , Mengmeng Jing , Pei He , Yongjun Xiao

Recognizing human actions based on videos has became one of the most popular areas of research in computer vision in recent years. This area has many applications such as surveillance, robotics, health care, video search and human-computer…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Aytekin Nebisoy , Saber Malekzadeh