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Accurate prediction of 3D semantic occupancy from 2D visual images is vital in enabling autonomous agents to comprehend their surroundings for planning and navigation. State-of-the-art methods typically employ fully supervised approaches,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Duc-Hai Pham , Duc-Dung Nguyen , Anh Pham , Tuan Ho , Phong Nguyen , Khoi Nguyen , Rang Nguyen

Semantic Scene Completion (SSC) aims to generate a complete semantic scene from an incomplete input. Existing approaches often employ dense network architectures with a high parameter count, leading to increased model complexity and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Wenzhe He , Xiaojun Chen , Wentang Chen , Hongyu Wang , Ying Liu , Ruihui Li

Vision-based perception for autonomous driving requires an explicit modeling of a 3D space, where 2D latent representations are mapped and subsequent 3D operators are applied. However, operating on dense latent spaces introduces a cubic…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Pin Tang , Zhongdao Wang , Guoqing Wang , Jilai Zheng , Xiangxuan Ren , Bailan Feng , Chao Ma

In the realm of autonomous vehicle perception, comprehending 3D scenes is paramount for tasks such as planning and mapping. Camera-based 3D Semantic Occupancy Prediction (OCC) aims to infer scene geometry and semantics from limited…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Sanbao Su , Nuo Chen , Chenchen Lin , Felix Juefei-Xu , Chen Feng , Fei Miao

In NeRF, a critical problem is to effectively estimate the occupancy to guide empty-space skipping and point sampling. Grid-based methods work well for small-scale scenes. However, on large-scale scenes, they are limited by predefined…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Zhenxing Mi , Dan Xu

In this paper, we introduce ProtoOcc, a novel 3D occupancy prediction model designed to predict the occupancy states and semantic classes of 3D voxels through a deep semantic understanding of scenes. ProtoOcc consists of two main…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Jungho Kim , Changwon Kang , Dongyoung Lee , Sehwan Choi , Jun Won Choi

Accurate perception of the surrounding environment is essential for safe autonomous driving. 3D occupancy prediction, which estimates detailed 3D structures of roads, buildings, and other objects, is particularly important for…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Chihiro Noguchi , Takaki Yamamoto

Self-supervision for semantic occupancy estimation is appealing as it removes the labour-intensive manual annotation, thus allowing one to scale to larger autonomous driving datasets. Superquadrics offer an expressive shape family very…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Seamie Hayes , Alexandre Boulch , Andrei Bursuc , Reenu Mohandas , Ganesh Sistu , Tim Brophy , Ciaran Eising

3D semantic occupancy prediction aims to forecast detailed geometric and semantic information of the surrounding environment for autonomous vehicles (AVs) using onboard surround-view cameras. Existing methods primarily focus on intricate…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Zhenxing Ming , Julie Stephany Berrio , Mao Shan , Stewart Worrall

With the advent of deep neural networks, learning-based approaches for 3D reconstruction have gained popularity. However, unlike for images, in 3D there is no canonical representation which is both computationally and memory efficient yet…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Lars Mescheder , Michael Oechsle , Michael Niemeyer , Sebastian Nowozin , Andreas Geiger

Estimating 3D occupancy and motion at the vehicle's surroundings is essential for autonomous driving, enabling situational awareness in dynamic environments. Existing approaches jointly learn geometry and motion but rely on expensive 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Xavier Timoneda , Markus Herb , Fabian Duerr , Daniel Goehring

Vision-based 3D occupancy prediction is significantly challenged by the inherent limitations of monocular vision in depth estimation. This paper introduces CVT-Occ, a novel approach that leverages temporal fusion through the geometric…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Zhangchen Ye , Tao Jiang , Chenfeng Xu , Yiming Li , Hang Zhao

Holistic understanding and reasoning in 3D scenes are crucial for the success of autonomous driving systems. The evolution of 3D semantic occupancy prediction as a pretraining task for autonomous driving and robotic applications captures…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Sathira Silva , Savindu Bhashitha Wannigama , Gihan Jayatilaka , Muhammad Haris Khan , Roshan Ragel

The autonomous driving community has shown significant interest in 3D occupancy prediction, driven by its exceptional geometric perception and general object recognition capabilities. To achieve this, current works try to construct a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Qihang Ma , Xin Tan , Yanyun Qu , Lizhuang Ma , Zhizhong Zhang , Yuan Xie

Accurate perception of the dynamic environment is a fundamental task for autonomous driving and robot systems. This paper introduces Let Occ Flow, the first self-supervised work for joint 3D occupancy and occupancy flow prediction using…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Yili Liu , Linzhan Mou , Xuan Yu , Chenrui Han , Sitong Mao , Rong Xiong , Yue Wang

3D occupancy prediction plays a pivotal role in the realm of autonomous driving, as it provides a comprehensive understanding of the driving environment. Most existing methods construct dense scene representations for occupancy prediction,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Zichen Yu , Quanli Liu , Wei Wang , Liyong Zhang , Xiaoguang Zhao

Self-supervised 3D occupancy prediction offers a promising solution for understanding complex driving scenes without requiring costly 3D annotations. However, training dense occupancy decoders to capture fine-grained geometry and semantics…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Fengyi Zhang , Xiangyu Sun , Huitong Yang , Zheng Zhang , Zi Huang , Yadan Luo

Semantic embedding of knowledge graphs has been widely studied and used for prediction and statistical analysis tasks across various domains such as Natural Language Processing and the Semantic Web. However, less attention has been paid to…

Artificial Intelligence · Computer Science 2021-01-26 Jiaoyan Chen , Pan Hu , Ernesto Jimenez-Ruiz , Ole Magnus Holter , Denvar Antonyrajah , Ian Horrocks

Recent years, learned image compression has made tremendous progress to achieve impressive coding efficiency. Its coding gain mainly comes from non-linear neural network-based transform and learnable entropy modeling. However, most studies…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Donghui Feng , Zhengxue Cheng , Shen Wang , Ronghua Wu , Hongwei Hu , Guo Lu , Li Song

Robotic perception is currently at a cross-roads between modern methods, which operate in an efficient latent space, and classical methods, which are mathematically founded and provide interpretable, trustworthy results. In this paper, we…