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Compared to conventional cameras, event cameras provide a high dynamic range and low latency, offering greater robustness to rapid motion and challenging lighting conditions. Although the potential of event cameras for visual place…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Therese Joseph , Tobias Fischer , Michael Milford

Robust visual place recognition (VPR) requires scene representations that are invariant to various environmental challenges such as seasonal changes and variations due to ambient lighting conditions during day and night. Moreover, a…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Unnat Jain , Vinay P. Namboodiri , Gaurav Pandey

Reinforcement Fine-Tuning (RFT) in Large Reasoning Models like OpenAI o1 learns from feedback on its answers, which is especially useful in applications when fine-tuning data is scarce. Recent open-source work like DeepSeek-R1 demonstrates…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Ziyu Liu , Zeyi Sun , Yuhang Zang , Xiaoyi Dong , Yuhang Cao , Haodong Duan , Dahua Lin , Jiaqi Wang

Place recognition is an important task within autonomous navigation, involving the re-identification of previously visited locations from an initial traverse. Unlike visual place recognition (VPR), LiDAR place recognition (LPR) is tolerant…

Robotics · Computer Science 2024-09-09 Therese Joseph , Tobias Fischer , Michael Milford

Recent Reference-Based image super-resolution (RefSR) has improved SOTA deep methods introducing attention mechanisms to enhance low-resolution images by transferring high-resolution textures from a reference high-resolution image. The main…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Esteban Reyes-Saldana , Mariano Rivera

Sequential Visual Place Recognition (Seq-VPR) leverages transformers to capture spatio-temporal features effectively. In practice, a transformer-based Seq-VPR model should be flexible to the number of frames per sequence (seq- length),…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yu Kiu , Lau , Chao Chen , Ge Jin , Chen Feng

High annotation costs and limited labels for dense 3D medical imaging tasks have recently motivated an assortment of 3D self-supervised pretraining methods that improve transfer learning performance. However, these methods commonly lack…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Yejia Zhang , Pengfei Gu , Nishchal Sapkota , Hao Zheng , Peixian Liang , Danny Z. Chen

Visual Place Recognition (VPR) is crucial in computer vision, aiming to retrieve database images similar to a query image from an extensive collection of known images. However, like many vision tasks, VPR always degrades at night due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Bingxi Liu , Yiqun Wang , Huaqi Tao , Tingjun Huang , Fulin Tang , Yihong Wu , Jinqiang Cui , Hong Zhang

Referring expression comprehension (REF) aims at identifying a particular object in a scene by a natural language expression. It requires joint reasoning over the textual and visual domains to solve the problem. Some popular referring…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Zhenfang Chen , Peng Wang , Lin Ma , Kwan-Yee K. Wong , Qi Wu

Reference-based image super-resolution (RefSR) is a promising SR branch and has shown great potential in overcoming the limitations of single image super-resolution. While previous state-of-the-art RefSR methods mainly focus on improving…

Computer Vision and Pattern Recognition · Computer Science 2022-11-09 Lin Zhang , Xin Li , Dongliang He , Fu Li , Yili Wang , Zhaoxiang Zhang

Capturing spatial relationships from visual inputs is a cornerstone of human-like general intelligence. Several previous studies have tried to enhance the spatial awareness of Vision-Language Models (VLMs) by adding extra expert encoders,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Rui Yang , Ziyu Zhu , Yanwei Li , Jingjia Huang , Shen Yan , Siyuan Zhou , Zhe Liu , Xiangtai Li , Shuangye Li , Wenqian Wang , Yi Lin , Hengshuang Zhao

Remote Sensing Visual Grounding (RSVG) aims to localize target objects in large-scale aerial imagery based on natural language descriptions. Owing to the vast spatial scale and high semantic ambiguity of remote sensing scenes, these…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Shiqi Huang , Shuting He , Bihan Wen

We present a Visual Place Recognition system that follows the two-stage format common to image retrieval pipelines. The system encodes images of places by employing the activations of different layers of a pre-trained, off-the-shelf, VGG16…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Luis G. Camara , Libor Přeučil

Medical image super-resolution (SR) is an active research area that has many potential applications, including reducing scan time, bettering visual understanding, increasing robustness in downstream tasks, etc. However, applying…

Image and Video Processing · Electrical Eng. & Systems 2022-10-12 Cheng Peng , S. Kevin Zhou , Rama Chellappa

Geo-temporal understanding, the ability to infer location, time, and contextual properties from visual input alone, underpins applications such as disaster management, traffic planning, embodied navigation, world modeling, and geography…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Azmine Toushik Wasi , Shahriyar Zaman Ridoy , Koushik Ahamed Tonmoy , Kinga Tshering , S. M. Muhtasimul Hasan , Wahid Faisal , Tasnim Mohiuddin , Md Rizwan Parvez

Visual place recognition is the task of recognizing a place depicted in an image based on its pure visual appearance without metadata. In visual place recognition, the challenges lie upon not only the changes in lighting conditions, camera…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Duc Canh Le , Chan Hyun Youn

The quality of the latent space in visual tokenizers (e.g., VAEs) is crucial for modern generative models. However, the standard reconstruction-based training paradigm produces a latent space that is biased towards low-level information,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Jingfeng Yao , Yuda Song , Yucong Zhou , Xinggang Wang

Mobile robots necessitate advanced natural language understanding capabilities to accurately identify locations and perform tasks such as package delivery. However, traditional visual place recognition (VPR) methods rely solely on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Tianyi Shang , Zhenyu Li , Pengjie Xu , Jinwei Qiao , Gang Chen , Zihan Ruan , Weijun Hu

We propose a new spatial memory module and a spatial reasoner for the Visual Grounding (VG) task. The goal of this task is to find a certain object in an image based on a given textual query. Our work focuses on integrating the regions of a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Thierry Deruyttere , Guillem Collell , Marie-Francine Moens

Image-based reinforcement learning (RL) faces significant challenges in generalization when the visual environment undergoes substantial changes between training and deployment. Under such circumstances, learned policies may not perform…

Robotics · Computer Science 2024-07-25 Weiyao Wang , Xinyuan Fang , Gregory D. Hager