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Related papers: OccupancyDETR: Using DETR for Mixed Dense-sparse 3…

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3D Semantic Occupancy Prediction is fundamental for spatial understanding, yet existing approaches face challenges in scalability and generalization due to their reliance on extensive labeled data and computationally intensive voxel-wise…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Haoyi Jiang , Liu Liu , Tianheng Cheng , Xinjie Wang , Tianwei Lin , Zhizhong Su , Wenyu Liu , Xinggang Wang

Machine-learning algorithms offer immense possibilities in the development of several cognitive applications. In fact, large scale machine-learning classifiers now represent the state-of-the-art in a wide range of object…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Priyadarshini Panda , Swagath Venkataramani , Abhronil Sengupta , Anand Raghunathan , Kaushik Roy

3D semantic occupancy prediction is an essential part of autonomous driving, focusing on capturing the geometric details of scenes. Off-road environments are rich in geometric information, therefore it is suitable for 3D semantic occupancy…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Heng Zhai , Jilin Mei , Chen Min , Liang Chen , Fangzhou Zhao , Yu Hu

Detecting moving objects in dynamic scenes from sequences of lidar scans is an important task in object tracking, mapping, localization, and navigation. Many works focus on changes detection in previously observed scenes, while a very…

Robotics · Computer Science 2016-09-30 Gheorghii Postica , Andrea Romanoni , Matteo Matteucci

Training high-accuracy 3D detectors necessitates massive labeled 3D annotations with 7 degree-of-freedom, which is laborious and time-consuming. Therefore, the form of point annotations is proposed to offer significant prospects for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Hongzhi Gao , Zheng Chen , Zehui Chen , Lin Chen , Jiaming Liu , Shanghang Zhang , Feng Zhao

Discovering 3D arrangements of objects from single indoor images is important given its many applications including interior design, content creation, etc. Although heavily researched in the recent years, existing approaches break down…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Moos Hueting , Pradyumna Reddy , Vladimir Kim , Ersin Yumer , Nathan Carr , Niloy Mitra

The task of occupancy forecasting (OCF) involves utilizing past and present perception data to predict future occupancy states of autonomous vehicle surrounding environments, which is critical for downstream tasks such as obstacle avoidance…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Jingyi Xu , Xieyuanli Chen , Junyi Ma , Jiawei Huang , Jintao Xu , Yue Wang , Ling Pei

Obstacle detection is a safety-critical problem in robot navigation, where stereo matching is a popular vision-based approach. While deep neural networks have shown impressive results in computer vision, most of the previous obstacle…

Robotics · Computer Science 2023-03-07 Hongyu Li , Zhengang Li , Neset Unver Akmandor , Huaizu Jiang , Yanzhi Wang , Taskin Padir

This paper introduces VLMFusionOcc3D, a robust multimodal framework for dense 3D semantic occupancy prediction in autonomous driving. Current voxel-based occupancy models often struggle with semantic ambiguity in sparse geometric grids and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 A. Enes Doruk , Hasan F. Ates

We propose a non-intrusive, and privacy-preserving occupancy estimation system for smart environments. The proposed scheme uses thermal images to detect the number of people in a given area. The occupancy estimation model is designed using…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Zishan Qin , Dipankar Chaki , Abdallah Lakhdari , Amani Abusafia , Athman Bouguettaya

DETR is a recently proposed Transformer-based method which views object detection as a set prediction problem and achieves state-of-the-art performance but demands extra-long training time to converge. In this paper, we investigate the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Zhiqing Sun , Shengcao Cao , Yiming Yang , Kris Kitani

Existing solutions for 3D semantic occupancy prediction typically treat the task as a one-shot 3D voxel-wise segmentation perception problem. These discriminative methods focus on learning the mapping between the inputs and occupancy map in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Guoqing Wang , Zhongdao Wang , Pin Tang , Jilai Zheng , Xiangxuan Ren , Bailan Feng , Chao Ma

Depth Completion can produce a dense depth map from a sparse input and provide a more complete 3D description of the environment. Despite great progress made in depth completion, the sparsity of the input and low density of the ground truth…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Jiaqi Gu , Zhiyu Xiang , Yuwen Ye , Lingxuan Wang

Real-time small object detection in Unmanned Aerial Vehicle (UAV) imagery remains challenging due to limited feature representation and ineffective multi-scale fusion. Existing methods underutilize frequency information and rely on static…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Yu Xia , Chang Liu , Tianqi Xiang , Zhigang Tu

In autonomous driving, 3D object detection provides more precise information for downstream tasks, including path planning and motion estimation, compared to 2D object detection. In this paper, we propose SeSame: a method aimed at enhancing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Hayeon O , Chanuk Yang , Kunsoo Huh

Despite previous DETR-like methods having performed successfully in generic object detection, tiny object detection is still a challenging task for them since the positional information of object queries is not customized for detecting tiny…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Yi-Xin Huang , Hou-I Liu , Hong-Han Shuai , Wen-Huang Cheng

DEtection TRansformer (DETR) started a trend that uses a group of learnable queries for unified visual perception. This work begins by applying this appealing paradigm to LiDAR-based point cloud segmentation and obtains a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Zeqi Xiao , Wenwei Zhang , Tai Wang , Chen Change Loy , Dahua Lin , Jiangmiao Pang

Recent DEtection TRansformer-based (DETR) models have obtained remarkable performance. Its success cannot be achieved without the re-introduction of multi-scale feature fusion in the encoder. However, the excessively increased tokens in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Feng Li , Ailing Zeng , Shilong Liu , Hao Zhang , Hongyang Li , Lei Zhang , Lionel M. Ni

Dynamic Occupancy Grid Mapping is a technique used to generate a local map of the environment containing both static and dynamic information. Typically, these maps are primarily generated using lidar measurements. However, with improvements…

Robotics · Computer Science 2024-05-24 Max Peter Ronecker , Markus Schratter , Lukas Kuschnig , Daniel Watzenig

In multi-view 3D human pose estimation, models typically rely on images captured simultaneously from different camera views to predict a pose at a specific moment. While providing accurate spatial information, this traditional approach…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Ling Li , Changjie Chen , Yuyan Wang , Jiaqing Lyu , Kenglun Chang , Yiyun Chen , Zhidong Deng
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