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This paper introduces a novel integration of Large Language Models (LLMs) with Conformal Geometric Algebra (CGA) to revolutionize controllable 3D scene editing, particularly for object repositioning tasks, which traditionally requires…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Prodromos Kolyvakis , Manos Kamarianakis , George Papagiannakis

Category-level object pose estimation aims to predict the 6D pose and size of previously unseen instances from predefined categories, requiring strong generalization across diverse object instances. Although many previous methods attempt to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Xiao Zhang , Lu Zou , Tao Lu , Yuan Yao , Zhangjin Huang , Guoping Wang

Point cloud based place recognition is still an open issue due to the difficulty in extracting local features from the raw 3D point cloud and generating the global descriptor, and it's even harder in the large-scale dynamic environments. In…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Zhe Liu , Shunbo Zhou , Chuanzhe Suo , Yingtian Liu , Peng Yin , Hesheng Wang , Yun-Hui Liu

Loop Closure Detection (LCD) is the essential module in the simultaneous localization and mapping (SLAM) task. In the current appearance-based SLAM methods, the visual inputs are usually affected by illumination, appearance and viewpoints…

Robotics · Computer Science 2018-04-06 Peng Yin , Yuqing He , Lingyun Xu , Yan Peng , Jianda Han , Weiliang Xu

Accurate characterization of subsurface heterogeneity is important for the safe and effective implementation of geological carbon storage (GCS) projects. This paper explores how machine learning methods can enhance data assimilation for GCS…

We present a novel online depth map fusion approach that learns depth map aggregation in a latent feature space. While previous fusion methods use an explicit scene representation like signed distance functions (SDFs), we propose a learned…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Silvan Weder , Johannes L. Schönberger , Marc Pollefeys , Martin R. Oswald

Multimodal remote sensing image (MRSI) matching is pivotal for cross-modal fusion, localization, and object detection, but it faces severe challenges due to geometric, radiometric, and viewpoint discrepancies across imaging modalities.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Peihao Wu , Yongxiang Yao , Wenfei Zhang , Dong Wei , Yi Wan , Yansheng Li , Yongjun Zhang

Unsupervised approaches to learning in neural networks are of substantial interest for furthering artificial intelligence, both because they would enable the training of networks without the need for large numbers of expensive annotations,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Chengxu Zhuang , Alex Lin Zhai , Daniel Yamins

In this paper, we propose an end-to-end framework that jointly learns keypoint detection, descriptor representation and cross-frame matching for the task of image-based 3D localization. Prior art has tackled each of these components…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Xiangyu Xu , Li Guan , Enrique Dunn , Haoxiang Li , Gang Hua

Existing person re-identification (re-id) methods rely mostly on either localised or global feature representation alone. This ignores their joint benefit and mutual complementary effects. In this work, we show the advantages of jointly…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Wei Li , Xiatian Zhu , Shaogang Gong

Loop closure is necessary for correcting errors accumulated in simultaneous localization and mapping (SLAM) in unknown environments. However, conventional loop closure methods based on low-level geometric or image features may cause high…

Robotics · Computer Science 2023-11-22 Zhentian Qian , Jie Fu , Jing Xiao

Loop-closure detection, also known as place recognition, aiming to identify previously visited locations, is an essential component of a SLAM system. Existing research on lidar-based loop closure heavily relies on dense point cloud and 360…

Robotics · Computer Science 2024-03-21 Lizhou Liao , Wenlei Yan , Li Sun , Xinhui Bai , Zhenxing You , Hongyuan Yuan , Chunyun Fu

The bundle of geometry and appearance in computer vision has proven to be a promising solution for robots across a wide variety of applications. Stereo cameras and RGB-D sensors are widely used to realise fast 3D reconstruction and…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Xuanpeng Li , Rachid Belaroussi

This paper develops a real-time decentralized metric-semantic SLAM algorithm that enables a heterogeneous robot team to collaboratively construct object-based metric-semantic maps. The proposed framework integrates a data-driven front-end…

The increasing global prevalence of mental disorders, such as depression and PTSD, requires objective and scalable diagnostic tools. Traditional clinical assessments often face limitations in accessibility, objectivity, and consistency.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-03 Abdelrahaman A. Hassan , Abdelrahman A. Ali , Aya E. Fouda , Radwa J. Hanafy , Mohammed E. Fouda

Traditional object detection methods face performance degradation challenges in complex scenarios such as low-light conditions and heavy occlusions due to a lack of high-level semantic understanding. To address this, this paper proposes an…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Yunqing Hu , Zheming Yang , Chang Zhao , Wen Ji

Software fault localization remains challenging due to limited feature diversity and low precision in traditional methods. This paper proposes a novel approach that integrates multi-objective optimization with deep learning models to…

Software Engineering · Computer Science 2024-11-27 Xiaolei Hu , Dongcheng Li , W. Eric Wong , Ya Zou

High spectral resolution imagery of the Earth's surface enables users to monitor changes over time in fine-grained scale, playing an increasingly important role in agriculture, defense, and emergency response. However, most current…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Meiqi Hu , Chen Wu , Liangpei Zhang

In GPS-denied scenarios, a robust environmental perception and localization system becomes crucial for autonomous driving. In this paper, a LiDAR-based online localization system is developed, incorporating road marking detection and…

Robotics · Computer Science 2024-07-03 Yansong Gong , Xinglian Zhang , Jingyi Feng , Xiao He , Dan Zhang

While recent advances in generative latent spaces have driven substantial progress in single-image generation, the optimal latent space for novel view synthesis (NVS) remains largely unexplored. In particular, NVS requires geometrically…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Wooseok Jang , Seonghu Jeon , Jisang Han , Jinhyeok Choi , Minkyung Kwon , Seungryong Kim , Saining Xie , Sainan Liu