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Semantic image segmentation is a principal problem in computer vision, where the aim is to correctly classify each individual pixel of an image into a semantic label. Its widespread use in many areas, including medical imaging and…

Computer Vision and Pattern Recognition · Computer Science 2016-08-16 Vladimir Nekrasov , Janghoon Ju , Jaesik Choi

One of the central challenges in visual place recognition (VPR) is learning a robust global representation that remains discriminative under large viewpoint changes, illumination variations, and severe domain shifts. While visual foundation…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Hanyu Zhu , Zhihao Zhan , Yuhang Ming , Liang Li , Dibo Hou , Javier Civera , Wanzeng Kong

Image-to-image translation aims to learn the mapping between two visual domains. There are two main challenges for this task: 1) lack of aligned training pairs and 2) multiple possible outputs from a single input image. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Hsin-Ying Lee , Hung-Yu Tseng , Qi Mao , Jia-Bin Huang , Yu-Ding Lu , Maneesh Singh , Ming-Hsuan Yang

VPR is a fundamental task for autonomous navigation as it enables a robot to localize itself in the workspace when a known location is detected. Although accuracy is an essential requirement for a VPR technique, computational and energy…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Bruno Ferrarini , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

Generative retrieval is a promising new paradigm in text retrieval that generates identifier strings of relevant passages as the retrieval target. This paradigm leverages powerful generative language models, distinct from traditional sparse…

Computation and Language · Computer Science 2024-02-19 Yongqi Li , Zhen Zhang , Wenjie Wang , Liqiang Nie , Wenjie Li , Tat-Seng Chua

RGB-D scene parsing methods effectively capture both semantic and geometric features of the environment, demonstrating great potential under challenging conditions such as extreme weather and low lighting. However, existing RGB-D scene…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Jianxin Huang , Jiahang Li , Sergey Vityazev , Alexander Dvorkovich , Rui Fan

Continual learning seeks to maintain stable adaptation under non-stationary environments, yet this problem becomes particularly challenging in object detection, where most existing methods implicitly assume relatively balanced visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Rangya Zhang , Jiaping Xiao , Lu Bai , Yuhang Zhang , Mir Feroskhan

Visual place recognition (VPR) is one of the research hotspots in robotics, which uses visual information to locate robots. Recently, the hierarchical two-stage VPR methods have become popular in this field due to the trade-off between…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Feng Lu , Lijun Zhang , Shuting Dong , Baifan Chen , Chun Yuan

Visual place recognition (VPR) aiming at predicting the location of an image based solely on its visual features is a fundamental task in robotics and autonomous systems. Domain variation remains one of the main challenges in VPR and is…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Shanshan Wan , Lai Kang , Yingmei Wei , Tianrui Shen , Haixuan Wang , Chao Zuo

The dominant paradigm in image retrieval systems today is to search large databases using global image features, and re-rank those initial results with local image feature matching techniques. This design, dubbed global-to-local, stems from…

Information Retrieval · Computer Science 2025-09-08 Dror Aiger , Bingyi Cao , Kaifeng Chen , Andre Araujo

High-quality annotation of fine-grained visual categories demands great expert knowledge, which is taxing and time consuming. Alternatively, learning fine-grained visual representation from enormous unlabeled images (e.g., species, brands)…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Qi Bi , Wei Ji , Jingjun Yi , Haolan Zhan , Gui-Song Xia

Visual restoration and recognition are traditionally addressed in pipeline fashion, i.e. denoising followed by classification. Instead, observing correlations between the two tasks, for example clearer image will lead to better…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

While Vision-Language Models (VLMs) excel in many areas, they struggle with complex spatial reasoning, which requires problem decomposition and strategic tool use. Fine-tuning smaller, more deployable models offers an efficient path to…

Machine Learning · Computer Science 2025-11-04 Gio Huh , Dhruv Sheth , Rayhan Zirvi , Frank Xiao

In a real-world setting, visual recognition systems can be brought to make predictions for images belonging to previously unknown class labels. In order to make semantically meaningful predictions for such inputs, we propose a two-step…

Machine Learning · Computer Science 2017-08-29 Vincent P. A. Lonij , Ambrish Rawat , Maria-Irina Nicolae

Knowledge distillation enhances the performance of compact student networks by transferring knowledge from more powerful teacher networks without introducing additional parameters. In the feature space, local regions within an individual…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Cuipeng Wang , Haipeng Wang

Visual localization, i.e., camera pose estimation in a known scene, is a core component of technologies such as autonomous driving and augmented reality. State-of-the-art localization approaches often rely on image retrieval techniques for…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Noé Pion , Martin Humenberger , Gabriela Csurka , Yohann Cabon , Torsten Sattler

Semantic image and video segmentation stand among the most important tasks in computer vision nowadays, since they provide a complete and meaningful representation of the environment by means of a dense classification of the pixels in a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Felipe Manfio Barbosa , Fernando Santos Osório

In this work, a region-based Deep Convolutional Neural Network framework is proposed for document structure learning. The contribution of this work involves efficient training of region based classifiers and effective ensembling for…

Computer Vision and Pattern Recognition · Computer Science 2018-09-03 Arindam Das , Saikat Roy , Ujjwal Bhattacharya , Swapan Kumar Parui

Reinforcement learning (RL) in 3D environments with high-dimensional sensory input poses two major challenges: (1) the high memory consumption induced by memory buffers required to stabilise learning, and (2) the complexity of learning in…

Machine Learning · Computer Science 2026-05-29 Jin Huang

Online class-incremental learning aims to enable models to continuously adapt to new classes with limited access to past data, while mitigating catastrophic forgetting. Replay-based methods address this by maintaining a small memory buffer…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Mingchuan Ma , Yuhao Zhou , Jindi Lv , Yuxin Tian , Dan Si , Shujian Li , Qing Ye , Jiancheng Lv