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AI-generated face detectors trained via supervised learning typically rely on synthesized images from specific generators, limiting their generalization to emerging generative techniques. To overcome this limitation, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Mian Zou , Nan Zhong , Baosheng Yu , Yibing Zhan , Kede Ma

The rapid development of generative artificial intelligence (AI) has introduced significant opportunities for enhancing the efficiency and accuracy of image transmission within semantic communication systems. Despite these advancements,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Qiyu Ma , Wanli Ni , Zhijin Qin

This paper considers outdoor terrain mapping using RGB images obtained from an aerial vehicle. While feature-based localization and mapping techniques deliver real-time vehicle odometry and sparse keypoint depth reconstruction, a dense…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Qiaojun Feng , Nikolay Atanasov

Lane graph estimation is an essential and highly challenging task in automated driving and HD map learning. Existing methods using either onboard or aerial imagery struggle with complex lane topologies, out-of-distribution scenarios, or…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Martin Büchner , Jannik Zürn , Ion-George Todoran , Abhinav Valada , Wolfram Burgard

Georeferencing text documents has typically relied on either gazetteer-based methods to assign geographic coordinates to place names, or on language modelling approaches that associate textual terms with geographic locations. However, many…

Artificial Intelligence · Computer Science 2026-01-26 Aneesha Fernando , Surangika Ranathunga , Kristin Stock , Raj Prasanna , Christopher B. Jones

Accurately recognizing a revisited place is crucial for embodied agents to localize and navigate. This requires visual representations to be distinct, despite strong variations in camera viewpoint and scene appearance. Existing visual place…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Kartik Garg , Sai Shubodh Puligilla , Shishir Kolathaya , Madhava Krishna , Sourav Garg

The malicious misuse and widespread dissemination of AI-generated images pose a significant threat to the authenticity of online information. Current detection methods often struggle to generalize to unseen generative models, and the rapid…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Hanyi Wang , Jun Lan , Yaoyu Kang , Huijia Zhu , Weiqiang Wang , Zhuosheng Zhang , Shilin Wang

We propose GOTPR, a robust place recognition method designed for outdoor environments where GPS signals are unavailable. Unlike existing approaches that use point cloud maps, which are large and difficult to store, GOTPR leverages scene…

Robotics · Computer Science 2025-05-23 Donghwi Jung , Keonwoo Kim , Seong-Woo Kim

Language-guided grasping has emerged as a promising paradigm for enabling robots to identify and manipulate target objects through natural language instructions, yet it remains highly challenging in cluttered or occluded scenes. Existing…

Robotics · Computer Science 2026-02-05 Rui Tang , Guankun Wang , Long Bai , Huxin Gao , Jiewen Lai , Chi Kit Ng , Jiazheng Wang , Fan Zhang , Hongliang Ren

We present a novel approach to geolocalising panoramic images on a 2-D cartographic map based on learning a low dimensional embedded space, which allows a comparison between an image captured at a location and local neighbourhoods of the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Noe Samano , Mengjie Zhou , Andrew Calway

We present a Deep Learning based system for the twin tasks of localization and obstacle avoidance essential to any mobile robot. Our system learns from conventional geometric SLAM, and outputs, using a single camera, the topological pose of…

Computer Vision and Pattern Recognition · Computer Science 2019-02-07 Punarjay Chakravarty , Praveen Narayanan , Tom Roussel

Urban development has been a defining force in human history, shaping cities for centuries. However, past studies mostly analyze such development as predictive tasks, failing to reflect its generative nature. Therefore, this study designs a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Kailai Sun , Yuebing Liang , Mingyi He , Yunhan Zheng , Alok Prakash , Shenhao Wang , Jinhua Zhao , Alex "Sandy'' Pentland

This paper describes a methodology to produce a 7-classes land cover map of urban areas from very high resolution images and limited noisy labeled data. The objective is to make a segmentation map of a large area (a french department) with…

Image and Video Processing · Electrical Eng. & Systems 2020-09-01 Thomas Tilak , Arnaud Braun , David Chandler , Nicolas David , Sylvain Galopin , Amélie Lombard , Michaël Michaud , Camille Parisel , Matthieu Porte , Marjorie Robert

Precise detection of rooftops from historical aerial imagery is essential for analyzing long-term urban development and human settlement patterns. Nonetheless, black-and-white analog photographs present considerable challenges for modern…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Pengyu Chen , Sicheng Wang , Cuizhen Wang , Senrong Wang , Beiao Huang , Lu Huang , Zhe Zang

Language-goal aerial navigation requires UAVs to localize targets in the complex outdoors, such as urban blocks based on textual instructions. The indoor methods are often hard to scale to urban scenes due to ambiguous objects, limited…

Robotics · Computer Science 2026-03-10 Haotian Xu , Yue Hu , Chen Gao , Zhengqiu Zhu , Yong Zhao , Yong Li , Quanjun Yin

This article introduces a novel method for object-level relocalization of robotic systems. It determines the pose of a camera sensor by robustly associating the object detections in the current frame with 3D objects in a lightweight…

Robotics · Computer Science 2024-08-16 Yutong Wang , Chaoyang Jiang , Xieyuanli Chen

Inferring geographic locations via social posts is essential for many practical location-based applications such as product marketing, point-of-interest recommendation, and infector tracking for COVID-19. Unlike image-based location…

Computation and Language · Computer Science 2023-06-14 Ruiting Dai , Jiayi Luo , Xucheng Luo , Lisi Mo , Wanlun Ma , Fan Zhou

The application of Vision-Language Models (VLMs) in remote sensing (RS) image understanding has achieved notable progress, demonstrating the basic ability to recognize and describe geographical entities. However, existing RS-VLMs are mostly…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Xianzhi Ma , Jianhui Li , Changhua Pei , Hao Liu

Deep Learning models are incredibly data-hungry and require very large labeled datasets for supervised learning. As a consequence, these models often suffer from overfitting, limiting their ability to generalize to real-world examples.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Sahiti Yerramilli , Jayant Sravan Tamarapalli , Tanmay Girish Kulkarni , Jonathan Francis , Eric Nyberg

Keypoint detection and description is fundamental yet important in many vision applications. Most existing methods use detect-then-describe or detect-and-describe strategy to learn local features without considering their context…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Siyu Hong , Kunhong Li , Yongcong Zhang , Zhiheng Fu , Mengyi Liu , Yulan Guo