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Event-based cameras are bio-inspired sensors with pixels that independently and asynchronously respond to brightness changes at microsecond resolution, offering the potential to handle visual tasks in high-speed maneuvering scenarios.…

Accurate measurement of shock wave motion parameters with high spatiotemporal resolution is essential for applications such as power field testing and damage assessment. However, significant challenges are posed by the fast, uneven…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Taihang Lei , Banglei Guan , Minzu Liang , Pengju Sun , Jing Tao , Yang Shang , Qifeng Yu

Generic event boundary detection is an important yet challenging task in video understanding, which aims at detecting the moments where humans naturally perceive event boundaries. The main challenge of this task is perceiving various…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Jiaqi Tang , Zhaoyang Liu , Chen Qian , Wayne Wu , Limin Wang

The operating environment of a highly automated vehicle is subject to change, e.g., weather, illumination, or the scenario containing different objects and other participants in which the highly automated vehicle has to navigate its…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Florian Heidecker , Ahmad El-Khateeb , Maarten Bieshaar , Bernhard Sick

The repeatability and efficiency of a corner detector determines how likely it is to be useful in a real-world application. The repeatability is importand because the same scene viewed from different positions should yield features which…

Computer Vision and Pattern Recognition · Computer Science 2010-07-09 Edward Rosten , Reid Porter , Tom Drummond

We propose a novel unsupervised approach based on a two-stage object-centric adversarial framework that only needs object regions for detecting frame-level local anomalies in videos. The first stage consists in learning the correspondence…

Computer Vision and Pattern Recognition · Computer Science 2020-11-16 Pankaj Raj Roy , Guillaume-Alexandre Bilodeau , Lama Seoud

Active vision enables dynamic visual perception, offering an alternative to static feedforward architectures in computer vision, which rely on large datasets and high computational resources. Biological selective attention mechanisms allow…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Giulia D'Angelo , Victoria Clerico , Chiara Bartolozzi , Matej Hoffmann , P. Michael Furlong , Alexander Hadjiivanov

This paper proposes a self-supervised learned local detector and descriptor, called EventPoint, for event stream/camera tracking and registration. Event-based cameras have grown in popularity because of their biological inspiration and low…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Ze Huang , Li Sun , Cheng Zhao , Song Li , Songzhi Su

We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

We propose DistSurf-OF, a novel optical flow method for neuromorphic cameras. Neuromorphic cameras (or event detection cameras) are an emerging sensor modality that makes use of dynamic vision sensors (DVS) to report asynchronously the…

Image and Video Processing · Electrical Eng. & Systems 2020-03-31 Mohammed Almatrafi , Raymond Baldwin , Kiyoharu Aizawa , Keigo Hirakawa

We present a learning model that makes full use of boundary information for salient object segmentation. Specifically, we come up with a novel loss function, i.e., Contour Loss, which leverages object contours to guide models to perceive…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Zixuan Chen , Huajun Zhou , Xiaohua Xie , Jianhuang Lai

We propose Motion-Compensated Latent Semantic Canvases (MCLSC) for visual situational awareness on resource-constrained edge devices. The core idea is to maintain persistent semantic metadata in two latent canvases - a slowly accumulating…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Igor Lodin , Sergii Filatov , Vira Filatova , Dmytro Filatov

Recent progress on salient object detection mainly aims at exploiting how to effectively integrate convolutional side-output features in convolutional neural networks (CNN). Based on this, most of the existing state-of-the-art saliency…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Yun Liu , Yu Qiu , Le Zhang , JiaWang Bian , Guang-Yu Nie , Ming-Ming Cheng

Convolutional neural networks (CNNs) are now the de facto solution for computer vision problems thanks to their impressive results and ease of learning. These networks are composed of layers of connected units called artificial neurons,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Loïc Cordone , Benoît Miramond , Sonia Ferrante

Benefit from the quick development of deep learning techniques, salient object detection has achieved remarkable progresses recently. However, there still exists following two major challenges that hinder its application in embedded…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Shuhan Chen , Xiuli Tan , Ben Wang , Xuelong Hu

Automated surface-anomaly detection using machine learning has become an interesting and promising area of research, with a very high and direct impact on the application domain of visual inspection. Deep-learning methods have become the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Domen Tabernik , Samo Šela , Jure Skvarč , Danijel Skočaj

We present the first purely event-based, energy-efficient approach for object detection and categorization using an event camera. Compared to traditional frame-based cameras, choosing event cameras results in high temporal resolution (order…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Bharath Ramesh , Andres Ussa , Luca Della Vedova , Hong Yang , Garrick Orchard

Accurate traffic speed prediction is an important and challenging topic for transportation planning. Previous studies on traffic speed prediction predominately used spatio-temporal and context features for prediction. However, they have not…

Machine Learning · Computer Science 2019-12-04 Qinge Xie , Tiancheng Guo , Yang Chen , Yu Xiao , Xin Wang , Ben Y. Zhao

Event cameras output asynchronous events to represent intensity changes with a high temporal resolution, even under extreme lighting conditions. Currently, most of the existing works use a single contrast threshold to estimate the intensity…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Ziwei Wang , Yonhon Ng , Pieter van Goor , Robert Mahony

Vision Transformers achieve impressive accuracy across a range of visual recognition tasks. Unfortunately, their accuracy frequently comes with high computational costs. This is a particular issue in video recognition, where models are…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Matthew Dutson , Yin Li , Mohit Gupta