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Driven by autonomous driving's demands for precise 3D perception, 3D semantic occupancy prediction has become a pivotal research topic. Unlike bird's-eye-view (BEV) methods, which restrict scene representation to a 2D plane, occupancy…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Han Huang , Han Sun , Ningzhong Liu , Huiyu Zhou , Jiaquan Shen

Robust three-dimensional scene understanding is now an ever-growing area of research highly relevant in many real-world applications such as autonomous driving and robotic navigation. In this paper, we propose a multi-task learning-based…

Computer Vision and Pattern Recognition · Computer Science 2019-08-16 Amir Atapour-Abarghouei , Toby P. Breckon

Due to the high inter-class similarity caused by the complex composition and the co-existing objects across scenes, numerous studies have explored object semantic knowledge within scenes to improve scene recognition. However, a resulting…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Chuanxin Song , Hanbo Wu , Xin Ma , Yibin Li

Robust semantic scene segmentation for automotive applications is a challenging problem in two key aspects: (1) labelling every individual scene pixel and (2) performing this task under unstable weather and illumination changes (e.g., foggy…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Naif Alshammari , Samet Akcay , Toby P. Breckon

We study open-world 3D scene understanding, a family of tasks that require agents to reason about their 3D environment with an open-set vocabulary and out-of-domain visual inputs - a critical skill for robots to operate in the unstructured…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Huy Ha , Shuran Song

We explore semantic segmentation beyond the conventional, single-dataset homogeneous training and bring forward the problem of Heterogeneous Training of Semantic Segmentation (HTSS). HTSS involves simultaneous training on multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Panagiotis Meletis , Gijs Dubbelman

Image modality is not perfect as it often fails in certain conditions, e.g., night and fast motion. This significantly limits the robustness and versatility of existing multi-modal (i.e., Image+X) semantic segmentation methods when…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Xu Zheng , Yuanhuiyi Lyu , Lin Wang

Semantic shape completion is a challenging problem in 3D computer vision where the task is to generate a complete 3D shape using a partial 3D shape as input. We propose a learning-based approach to complete incomplete 3D shapes through…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Swaminathan Gurumurthy , Shubham Agrawal

Self-supervised representation learning for visual pre-training has achieved remarkable success with sample (instance or pixel) discrimination and semantics discovery of instance, whereas there still exists a non-negligible gap between…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Xiaoni Li , Yu Zhou , Yifei Zhang , Aoting Zhang , Wei Wang , Ning Jiang , Haiying Wu , Weiping Wang

3D semantic segmentation provides high-level scene understanding for applications in robotics, autonomous systems, \textit{etc}. Traditional methods adapt exclusively to either task-specific goals (open-vocabulary segmentation) or scene…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Doriand Petit , Steve Bourgeois , Vincent Gay-Bellile , Florian Chabot , Loïc Barthe

The scarcity of large-scale 3D-text paired data poses a great challenge on open vocabulary 3D scene understanding, and hence it is popular to leverage internet-scale 2D data and transfer their open vocabulary capabilities to 3D models…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Pengfei Wang , Yuxi Wang , Shuai Li , Zhaoxiang Zhang , Zhen Lei , Lei Zhang

Robust visual localization under a wide range of viewing conditions is a fundamental problem in computer vision. Handling the difficult cases of this problem is not only very challenging but also of high practical relevance, e.g., in the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Johannes L. Schönberger , Marc Pollefeys , Andreas Geiger , Torsten Sattler

Abstract. The advancement of deep learning has coincided with the proliferation of both models and available data. The surge in dataset sizes and the subsequent surge in computational requirements have led to the development of the Dataset…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jun-Yeong Moon , Jung Uk Kim , Gyeong-Moon Park

Semantic Scene Completion (SSC) from monocular RGB images is a fundamental yet challenging task due to the inherent ambiguity of inferring occluded 3D geometry from a single view. While feed-forward methods have made progress, they often…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Zichen Xi , Hao-Xiang Chen , Nan Xue , Hongyu Yan , Qi-Yuan Feng , Levent Burak Kara , Joaquim Jorge , Qun-Ce Xu

Visual scene understanding is a fundamental task in computer vision that aims to extract meaningful information from visual data. It traditionally involves disjoint and specialized algorithms for different tasks that are tailored for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Américo Pereira , Pedro Carvalho , Luís Côrte-Real

Semantic understanding of 3D scenes is essential for robots to operate effectively and safely in complex environments. Existing methods for semantic scene reconstruction and semantic-aware novel view synthesis often rely on dense multi-view…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Sheng Ye , Zhen-Hui Dong , Ruoyu Fan , Tian Lv , Yong-Jin Liu

Semantic segmentation has recently witnessed great progress. Despite the impressive overall results, the segmentation performance in some hard areas (e.g., small objects or thin parts) is still not promising. A straightforward solution is…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Xin Xiao , Daiguo Zhou , Jiagao Hu , Yi Hu , Yongchao Xu

An effective pre-training framework with universal 3D representations is extremely desired in perceiving large-scale dynamic scenes. However, establishing such an ideal framework that is both task-generic and label-efficient poses a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Haoming Chen , Zhizhong Zhang , Yanyun Qu , Ruixin Zhang , Xin Tan , Yuan Xie

Numerous studies have investigated the pivotal role of reliable 3D volume representation in scene perception tasks, such as multi-view stereo (MVS) and semantic scene completion (SSC). They typically construct 3D probability volumes…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Bohan Li , Yasheng Sun , Jingxin Dong , Zheng Zhu , Jinming Liu , Xin Jin , Wenjun Zeng

In this paper, we propose a novel visual Semantic-Spatial Self-Highlighting Network (termed 3SHNet) for high-precision, high-efficiency and high-generalization image-sentence retrieval. 3SHNet highlights the salient identification of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Xuri Ge , Songpei Xu , Fuhai Chen , Jie Wang , Guoxin Wang , Shan An , Joemon M. Jose