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Related papers: VoxDet: Rethinking 3D Semantic Occupancy Predictio…

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3D semantic occupancy prediction is an emerging perception paradigm in autonomous driving, providing a voxel-level representation of both geometric details and semantic categories. However, its effectiveness is inherently constrained in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Hanlin Wu , Pengfei Lin , Ehsan Javanmardi , Naren Bao , Bo Qian , Hao Si , Manabu Tsukada

3D semantic occupancy has rapidly become a research focus in the fields of robotics and autonomous driving environment perception due to its ability to provide more realistic geometric perception and its closer integration with downstream…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Mu Chen , Wenyu Chen , Mingchuan Yang , Yuan Zhang , Tao Han , Xinchi Li , Yunlong Li , Huaici Zhao

The 3D occupancy estimation task has become an important challenge in the area of vision-based autonomous driving recently. However, most existing camera-based methods rely on costly 3D voxel labels or LiDAR scans for training, limiting…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Simon Boeder , Fabian Gigengack , Benjamin Risse

The resolution of voxel queries significantly influences the quality of view transformation in camera-based 3D occupancy prediction. However, computational constraints and the practical necessity for real-time deployment require smaller…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Gyeongrok Oh , Sungjune Kim , Heeju Ko , Hyung-gun Chi , Jinkyu Kim , Dongwook Lee , Daehyun Ji , Sungjoon Choi , Sujin Jang , Sangpil Kim

Monocular Semantic Scene Completion (SSC) aims to reconstruct complete 3D semantic scenes from a single RGB image, offering a cost-effective solution for autonomous driving and robotics. However, the inherently imbalanced nature of voxel…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Yu Xue , Longjun Gao , Yuanqi Su , HaoAng Lu , Xiaoning Zhang

We present Voxel Transformer (VoTr), a novel and effective voxel-based Transformer backbone for 3D object detection from point clouds. Conventional 3D convolutional backbones in voxel-based 3D detectors cannot efficiently capture large…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Jiageng Mao , Yujing Xue , Minzhe Niu , Haoyue Bai , Jiashi Feng , Xiaodan Liang , Hang Xu , Chunjing Xu

We introduce LOcc, an effective and generalizable framework for open-vocabulary occupancy (OVO) prediction. Previous approaches typically supervise the networks through coarse voxel-to-text correspondences via image features as…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Zhu Yu , Bowen Pang , Lizhe Liu , Runmin Zhang , Qiang Li , Si-Yuan Cao , Maochun Luo , Mingxia Chen , Sheng Yang , Hui-Liang Shen

To identify objects beyond predefined categories, open-vocabulary aerial object detection (OVAD) leverages the zero-shot capabilities of visual-language models (VLMs) to generalize from base to novel categories. Existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Jianhang Yao , Yongbin Zheng , Siqi Lu , Wanying Xu , Peng Sun

Open-Vocabulary Semantic Segmentation (OVSS) assigns pixel-level labels from an open set of text-defined categories, demanding reliable generalization to unseen classes at inference. Although modern vision-language models (VLMs) support…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Saikat Dutta , Biplab Banerjee , Hamid Rezatofighi

This paper focuses on semantic scene completion, a task for producing a complete 3D voxel representation of volumetric occupancy and semantic labels for a scene from a single-view depth map observation. Previous work has considered scene…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Shuran Song , Fisher Yu , Andy Zeng , Angel X. Chang , Manolis Savva , Thomas Funkhouser

Open-vocabulary object detection (OVOD) aims to detect the objects beyond the set of classes observed during training. This work introduces a straightforward and efficient strategy that utilizes pre-trained vision-language models (VLM),…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Shilin Xu , Xiangtai Li , Size Wu , Wenwei Zhang , Yunhai Tong , Chen Change Loy

Tracking the pose of instruments is a central problem in image-guided surgery. For microscopic scenarios, optical coherence tomography (OCT) is increasingly used as an imaging modality. OCT is suitable for accurate pose estimation due to…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Nils Gessert , Matthias Schlüter , Alexander Schlaefer

Semantic segmentation is a fundamental task in visual scene understanding. We focus on the supervised setting, where ground-truth semantic annotations are available. Based on knowledge about the high regularity of real-world scenes, we…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Stamatis Alexandropoulos , Christos Sakaridis , Petros Maragos

Current multi-view indoor 3D object detectors rely on sensor geometry that is costly to obtain (i.e., precisely calibrated multi-view camera poses) to fuse multi-view information into a global scene representation, limiting deployment in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yang Cao , Feize Wu , Dave Zhenyu Chen , Yingji Zhong , Lanqing Hong , Dan Xu

Open-vocabulary 3D Object Detection (OV-3DDet) aims to detect objects from an arbitrary list of categories within a 3D scene, which remains seldom explored in the literature. There are primarily two fundamental problems in OV-3DDet, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Yang Cao , Yihan Zeng , Hang Xu , Dan Xu

Open-vocabulary semantic mapping enables robots to spatially ground previously unseen concepts without requiring predefined class sets. Current training-free methods commonly rely on multi-view fusion of semantic embeddings into a 3D map,…

3D semantic occupancy prediction has emerged as a critical perception task for autonomous driving due to its ability to offer voxel-level semantic and geometric understanding of the environment. However, such a refined representation for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Hanlin Wu , Pengfei Lin , Ehsan Javanmardi , Naren Bao , Bo Qian , Hao Si , Manabu Tsukada

3D scene understanding has been transformed by open-vocabulary language models that enable interaction via natural language. However, at present the evaluation of these representations is limited to datasets with closed-set semantics that…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Christina Kassab , Sacha Morin , Martin Büchner , Matías Mattamala , Kumaraditya Gupta , Abhinav Valada , Liam Paull , Maurice Fallon

Recent advancements in 3D object detection and novel category detection have made significant progress, yet research on learning generalized 3D objectness remains insufficient. In this paper, we delve into learning open-world 3D objectness,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Taichi Liu , Zhenyu Wang , Ruofeng Liu , Guang Wang , Desheng Zhang

Existing point-cloud based 3D object detectors use convolution-like operators to process information in a local neighbourhood with fixed-weight kernels and aggregate global context hierarchically. However, non-local neural networks and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Prarthana Bhattacharyya , Chengjie Huang , Krzysztof Czarnecki