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Recognizing multiple labels of images is a fundamental but challenging task in computer vision, and remarkable progress has been attained by localizing semantic-aware image regions and predicting their labels with deep convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2017-12-21 Tianshui Chen , Zhouxia Wang , Guanbin Li , Liang Lin

Visual localization remains challenging in dynamic environments where fluctuating lighting, adverse weather, and moving objects disrupt appearance cues. Despite advances in feature representation, current absolute pose regression methods…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Zhongtao Tian , Wenhao Huang , Zhidong Chen , Xiao Wei Sun

The field of deep learning is evolving in different directions, with still the need for more efficient training strategies. In this work, we present a novel and robust training scheme that integrates visual explanation techniques in the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 David Morales , Estefania Talavera , Beatriz Remeseiro

In this paper, we present an approach for learning a visual representation from the raw spatiotemporal signals in videos. Our representation is learned without supervision from semantic labels. We formulate our method as an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Ishan Misra , C. Lawrence Zitnick , Martial Hebert

Visual Localization is one of the key enabling technologies for autonomous driving and augmented reality. High quality datasets with accurate 6 Degree-of-Freedom (DoF) reference poses are the foundation for benchmarking and improving…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Zichao Zhang , Torsten Sattler , Davide Scaramuzza

Uniform and variable environments still remain a challenge for stable visual localization and mapping in mobile robot navigation. One of the possible approaches suitable for such environments is appearance-based teach-and-repeat navigation,…

Robotics · Computer Science 2025-03-18 Václav Truhlařík , Tomáš Pivoňka , Michal Kasarda , Libor Přeučil

LiDAR place recognition plays a crucial role in SLAM, robot navigation, and autonomous driving. However, existing LiDAR place recognition methods often struggle to adapt to new environments without forgetting previously learned knowledge, a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Xufei Wang , Junqiao Zhao , Siyue Tao , Qiwen Gu , Wonbong Kim , Tiantian Feng

We propose a novel learning-based formulation for visual localization of vehicles that can operate in real-time in city-scale environments. Visual localization algorithms determine the position and orientation from which an image has been…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Arthur Moreau , Thomas Gilles , Nathan Piasco , Dzmitry Tsishkou , Bogdan Stanciulescu , Arnaud de La Fortelle

Most artificial intelligence models have limiting ability to solve new tasks faster, without forgetting previously acquired knowledge. The recently emerging paradigm of continual learning aims to solve this issue, in which the model learns…

Machine Learning · Computer Science 2018-06-01 Ju Xu , Zhanxing Zhu

For future learning systems, incremental learning is desirable because it allows for: efficient resource usage by eliminating the need to retrain from scratch at the arrival of new data; reduced memory usage by preventing or limiting the…

Machine Learning · Computer Science 2022-10-12 Marc Masana , Xialei Liu , Bartlomiej Twardowski , Mikel Menta , Andrew D. Bagdanov , Joost van de Weijer

In this work, we propose a novel unsupervised deep learning model to address multi-focus image fusion problem. First, we train an encoder-decoder network in unsupervised manner to acquire deep feature of input images. And then we utilize…

Computer Vision and Pattern Recognition · Computer Science 2020-09-25 Boyuan Ma , Xiaojuan Ban , Haiyou Huang , Yu Zhu

The goal of our research is to develop methods advancing automatic visual recognition. In order to predict the unique or multiple labels associated to an image, we study different kind of Deep Neural Networks architectures and methods for…

Computer Vision and Pattern Recognition · Computer Science 2016-10-19 Rémi Cadène , Nicolas Thome , Matthieu Cord

Scene classification is a fundamental perception task for environmental understanding in today's robotics. In this paper, we have attempted to exploit the use of popular machine learning technique of deep learning to enhance scene…

Computer Vision and Pattern Recognition · Computer Science 2015-09-23 Yiyi Liao , Sarath Kodagoda , Yue Wang , Lei Shi , Yong Liu

Visual servoing involves choosing actions that move a robot in response to observations from a camera, in order to reach a goal configuration in the world. Standard visual servoing approaches typically rely on manually designed features and…

Machine Learning · Computer Science 2017-07-12 Alex X. Lee , Sergey Levine , Pieter Abbeel

We devise a graph attention network-based approach for learning a scene triangle mesh representation in order to estimate an image camera position in a dynamic environment. Previous approaches built a scene-dependent model that explicitly…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Mohamed Amine Ouali , Mohamed Bouguessa , Riadh Ksantini

In this paper, we tackle the copy-paste image-to-image composition problem with a focus on object placement learning. Prior methods have leveraged generative models to reduce the reliance for dense supervision. However, this often limits…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Hang Zhou , Xinxin Zuo , Rui Ma , Li Cheng

In this paper, we address the problem of unsupervised video summarization that automatically extracts key-shots from an input video. Specifically, we tackle two critical issues based on our empirical observations: (i) Ineffective feature…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Yunjae Jung , Donghyeon Cho , Dahun Kim , Sanghyun Woo , In So Kweon

The rise of multi-million-item dataset initiatives has enabled data-hungry machine learning algorithms to reach near-human semantic classification at tasks such as object and scene recognition. Here we describe the Places Database, a…

Computer Vision and Pattern Recognition · Computer Science 2016-10-10 Bolei Zhou , Aditya Khosla , Agata Lapedriza , Antonio Torralba , Aude Oliva

In medical imaging, technical progress or changes in diagnostic procedures lead to a continuous change in image appearance. Scanner manufacturer, reconstruction kernel, dose, other protocol specific settings or administering of contrast…

Machine Learning · Computer Science 2020-07-08 Johannes Hofmanninger , Matthias Perkonigg , James A. Brink , Oleg Pianykh , Christian Herold , Georg Langs

Although recent deep learning-based calibration methods can predict extrinsic and intrinsic camera parameters from a single image, their generalization remains limited by the number and distribution of training data samples. The huge…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Khadidja Ould Amer , Oussama Hadjerci , Mohamed Abbas Hedjazi , Antoine Letienne