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相关论文: Neuromorphic spatiotemporal optical flow: Enabling…

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With the advent of neuromorphic vision sensors such as event-based cameras, a paradigm shift is required for most computer vision algorithms. Among these algorithms, optical flow estimation is a prime candidate for this process considering…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Mahmoud Z. Khairallah , Fabien Bonardi , David Roussel , Samia Bouchafa

Event cameras capture brightness changes asynchronously with microsecond resolution, yet existing optical flow methods fail to fully exploit this temporal continuity. Frame-based approaches impose artificial accumulation latency and suffer…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Gunwoo Jeon , Chaesong Park , Jongwoo Lim

Small flying robots can perform landing maneuvers using bio-inspired optical flow by maintaining a constant divergence. However, optical flow is typically estimated from frame sequences recorded by standard miniature cameras. This requires…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Bas J. Pijnacker Hordijk , Kirk Y. W. Scheper , Guido C. H. E. de Croon

LiDAR representation learning has emerged as a promising approach to reducing reliance on costly and labor-intensive human annotations. While existing methods primarily focus on spatial alignment between LiDAR and camera sensors, they often…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Xiang Xu , Lingdong Kong , Hui Shuai , Wenwei Zhang , Liang Pan , Kai Chen , Ziwei Liu , Qingshan Liu

An optical flow gradient algorithm was applied to spontaneously forming net- works of neurons and glia in culture imaged by fluorescence optical microscopy in order to map functional calcium signaling with single pixel resolution. Optical…

计算工程、金融与科学 · 计算机科学 2010-01-22 Marius Buibas , Diana Yu , Krystal Nizar , Gabriel A. Silva

Over the past decade, artificial intelligence (AI) has led to disruptive advancements in fundamental sciences and everyday technologies. Among various machine learning algorithms, deep neural networks have become instrumental in revealing…

Accurate fall detection for the assistance of older people is crucial to reduce incidents of deaths or injuries due to falls. Meanwhile, a vision-based fall detection system has shown some significant results to detect falls. Still,…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Sagar Chhetri , Abeer Alsadoon , Thair Al Dala in , P. W. C. Prasad , Tarik A. Rashid , Angelika Maag

The optical flow of humans is well known to be useful for the analysis of human action. Recent optical flow methods focus on training deep networks to approach the problem. However, the training data used by them does not cover the domain…

计算机视觉与模式识别 · 计算机科学 2019-12-20 Anurag Ranjan , David T. Hoffmann , Dimitrios Tzionas , Siyu Tang , Javier Romero , Michael J. Black

To apply optical flow in practice, it is often necessary to resize the input to smaller dimensions in order to reduce computational costs. However, downsizing inputs makes the estimation more challenging because objects and motion ranges…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Hyunyoung Jung , Zhuo Hui , Lei Luo , Haitao Yang , Feng Liu , Sungjoo Yoo , Rakesh Ranjan , Denis Demandolx

We describe a new spatio-temporal video autoencoder, based on a classic spatial image autoencoder and a novel nested temporal autoencoder. The temporal encoder is represented by a differentiable visual memory composed of convolutional long…

机器学习 · 计算机科学 2016-09-02 Viorica Patraucean , Ankur Handa , Roberto Cipolla

Tracking and acquiring simultaneous optical images of randomly moving targets obscured by scattering media remains a challenging problem of importance to many applications that require precise object localization and identification. In this…

神经与进化计算 · 计算机科学 2025-06-12 Ning Zhang , Timothy Shea , Arto Nurmikko

Neuromorphic vision sensing (NVS)\ devices represent visual information as sequences of asynchronous discrete events (a.k.a., "spikes") in response to changes in scene reflectance. Unlike conventional active pixel sensing (APS), NVS allows…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Yin Bi , Aaron Chadha , Alhabib Abbas , Eirina Bourtsoulatze , Yiannis Andreopoulos

Neural optical flow (NOF) offers improved accuracy and robustness over existing OF methods for particle image velocimetry (PIV). Unlike other OF techniques, which rely on discrete displacement fields, NOF parameterizes the physical velocity…

流体动力学 · 物理学 2026-03-31 Andrew I. Masker , Ke Zhou , Joseph P. Molnar , Samuel J. Grauer

Neural Scene Flow Prior (NSFP) is of significant interest to the vision community due to its inherent robustness to out-of-distribution (OOD) effects and its ability to deal with dense lidar points. The approach utilizes a coordinate neural…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Xueqian Li , Jianqiao Zheng , Francesco Ferroni , Jhony Kaesemodel Pontes , Simon Lucey

Optical flow techniques are becoming increasingly performant and robust when estimating motion in a scene, but their performance has yet to be proven in the area of facial expression recognition. In this work, a variety of optical flow…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Benjamin Allaert , Isaac Ronald Ward , Ioan Marius Bilasco , Chaabane Djeraba , Mohammed Bennamoun

Previous methods based on 3DCNN, convLSTM, or optical flow have achieved great success in video salient object detection (VSOD). However, they still suffer from high computational costs or poor quality of the generated saliency maps. To…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Xing Zhao , Haoran Liang , Peipei Li , Guodao Sun , Dongdong Zhao , Ronghua Liang , Xiaofei He

Temporal coherence is a valuable source of information in the context of optical flow estimation. However, finding a suitable motion model to leverage this information is a non-trivial task. In this paper we propose an unsupervised online…

计算机视觉与模式识别 · 计算机科学 2018-06-05 Daniel Maurer , Andrés Bruhn

Estimating the correspondences between pixels in sequences of images is a critical first step for a myriad of tasks including vision-aided navigation (e.g., visual odometry (VO), visual-inertial odometry (VIO), and visual simultaneous…

图像与视频处理 · 电气工程与系统科学 2018-03-16 E. Jared Shamwell , William D. Nothwang , Donald Perlis

Humans have an exquisite sense of touch which robotic and prosthetic systems aim to recreate. We developed algorithms to create neuron-like (neuromorphic) spiking representations of texture that are invariant to the scanning speed and…

Most existing Dynamic Gaussian Splatting methods for complex dynamic urban scenarios rely on accurate object-level supervision from expensive manual labeling, limiting their scalability in real-world applications. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Su Sun , Cheng Zhao , Zhuoyang Sun , Yingjie Victor Chen , Mei Chen