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We address the problem of anomaly detection in videos. The goal is to identify unusual behaviours automatically by learning exclusively from normal videos. Most existing approaches are usually data-hungry and have limited generalization…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Yiwei Lu , Frank Yu , Mahesh Kumar Krishna Reddy , Yang Wang

Most existing robotic datasets capture static scene data and thus are limited in evaluating robots' dynamic performance. To address this, we present a mobile robot oriented large-scale indoor dataset, denoted as THUD (Tsinghua University…

机器人学 · 计算机科学 2024-07-02 Yifan Tang , Cong Tai , Fangxing Chen , Wanting Zhang , Tao Zhang , Xueping Liu , Yongjin Liu , Long Zeng

Instance-level change detection in 3D scenes presents significant challenges, particularly in uncontrolled environments lacking labeled image pairs, consistent camera poses, or uniform lighting conditions. This paper addresses these…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Binbin Jiang , Rui Huang , Qingyi Zhao , Yuxiang Zhang

Autonomous driving requires an accurate and fast 3D perception system that includes 3D object detection, tracking, and segmentation. Although recent low-cost camera-based approaches have shown promising results, they are susceptible to poor…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Youngseok Kim , Juyeb Shin , Sanmin Kim , In-Jae Lee , Jun Won Choi , Dongsuk Kum

Detecting and tracking objects is a crucial component of any autonomous navigation method. For the past decades, object detection has yielded promising results using neural networks on various datasets. While many methods focus on…

计算机视觉与模式识别 · 计算机科学 2025-05-02 Mathis Morales , Golnaz Habibi

Mobile autonomous robots include numerous sensors for environment perception. Cameras are an essential tool for robot's localization, navigation, and obstacle avoidance. To process a large flow of data from the sensors, it is necessary to…

Robots typically possess sensors of different modalities, such as colour cameras, inertial measurement units, and 3D laser scanners. Often, solving a particular problem becomes easier when more than one modality is used. However, while…

计算机视觉与模式识别 · 计算机科学 2017-01-10 Charika De Alvis , Lionel Ott , Fabio Ramos

Object detection is essential to safe autonomous or assisted driving. Previous works usually utilize RGB images or LiDAR point clouds to identify and localize multiple objects in self-driving. However, cameras tend to fail in bad driving…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Zangwei Zheng , Xiangyu Yue , Kurt Keutzer , Alberto Sangiovanni Vincentelli

We present an approach to estimating camera rotation in crowded, real-world scenes from handheld monocular video. While camera rotation estimation is a well-studied problem, no previous methods exhibit both high accuracy and acceptable…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Fabien Delattre , David Dirnfeld , Phat Nguyen , Stephen Scarano , Michael J. Jones , Pedro Miraldo , Erik Learned-Miller

Robust detection and tracking of objects is crucial for the deployment of autonomous vehicle technology. Image based benchmark datasets have driven development in computer vision tasks such as object detection, tracking and segmentation of…

Source identification is an important topic in image forensics, since it allows to trace back the origin of an image. This represents a precious information to claim intellectual property but also to reveal the authors of illicit materials.…

神经与进化计算 · 计算机科学 2020-08-26 Sara Mandelli , Davide Cozzolino , Paolo Bestagini , Luisa Verdoliva , Stefano Tubaro

Man-made scenes can be densely packed, containing numerous objects, often identical, positioned in close proximity. We show that precise object detection in such scenes remains a challenging frontier even for state-of-the-art object…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Eran Goldman , Roei Herzig , Aviv Eisenschtat , Oria Ratzon , Itsik Levi , Jacob Goldberger , Tal Hassner

The task of classifying videos of natural dynamic scenes into appropriate classes has gained lot of attention in recent years. The problem especially becomes challenging when the camera used to capture the video is dynamic. In this paper,…

计算机视觉与模式识别 · 计算机科学 2015-09-01 Aalok Gangopadhyay , Shivam Mani Tripathi , Ishan Jindal , Shanmuganathan Raman

This paper presents a novel semantic scene change detection scheme with only weak supervision. A straightforward approach for this task is to train a semantic change detection network directly from a large-scale dataset in an end-to-end…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Ken Sakurada , Mikiya Shibuya , Weimin Wang

Every day around the world, interminable terabytes of data are being captured for surveillance purposes. A typical 1-2MP CCTV camera generates around 7-12GB of data per day. Frame-by-frame processing of such enormous amount of data requires…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Yeshwanth Ravi Theja Bethi , Sathyaprakash Narayanan , Venkat Rangan , Chetan Singh Thakur

With ever increasing computing power and data storage capacity, the potential for large digital video libraries is growing rapidly.However, the massive use of video for the moment is limited by its opaque characteristics. Indeed, a user who…

计算机视觉与模式识别 · 计算机科学 2014-12-16 Walid Mahdi , Liming Chen , Mohsen Ardebilian

Aiming to improve the checkerboard corner detection robustness against the images with poor quality, such as lens distortion, extreme poses, and noise, we propose a novel detection algorithm which can maintain high accuracy on inputs under…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Ben Chen , Caihua Xiong , Qi Zhang

The use of deep learning techniques has exploded during the last few years, resulting in a direct contribution to the field of artificial intelligence. This work aims to be a review of the state-of-the-art in scene recognition with deep…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Alina Matei , Andreea Glavan , Estefania Talavera

Accurate lane detection is essential for automated driving, enabling safe and reliable vehicle navigation across a variety of road scenarios. Numerous datasets have been introduced to support the development and evaluation of lane detection…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Jörg Gamerdinger , Sven Teufel , Oliver Bringmann

We present a model that automatically divides broadcast videos into coherent scenes by learning a distance measure between shots. Experiments are performed to demonstrate the effectiveness of our approach by comparing our algorithm against…

计算机视觉与模式识别 · 计算机科学 2015-11-02 Lorenzo Baraldi , Costantino Grana , Rita Cucchiara