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Point cloud completion aims to infer a complete shape from its partial observation. Many approaches utilize a pure encoderdecoder paradigm in which complete shape can be directly predicted by shape priors learned from partial scans,…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Zizhao Wu , Jian Shi , Xuan Deng , Cheng Zhang , Genfu Yang , Ming Zeng , Yunhai Wang

We tackle the problem of object completion from point clouds and propose a novel point cloud completion network employing an Asymmetrical Siamese Feature Matching strategy, termed as ASFM-Net. Specifically, the Siamese auto-encoder neural…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Yaqi Xia , Yan Xia , Wei Li , Rui Song , Kailang Cao , Uwe Stilla

In this paper, we present a comprehensive point cloud semantic segmentation network that aggregates both local and global multi-scale information. First, we propose an Angle Correlation Point Convolution (ACPConv) module to effectively…

计算机视觉与模式识别 · 计算机科学 2022-06-29 Yuyan Li , Ye Duan

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…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Yu Xue , Longjun Gao , Yuanqi Su , HaoAng Lu , Xiaoning Zhang

The task of 3D semantic scene completion using monocular cameras is gaining significant attention in the field of autonomous driving. This task aims to predict the occupancy status and semantic labels of each voxel in a 3D scene from…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Jiawei Yao , Jusheng Zhang , Xiaochao Pan , Tong Wu , Canran Xiao

Vision-based 3D Semantic Scene Completion (SSC) has received growing attention due to its potential in autonomous driving. While most existing approaches follow an ego-centric paradigm by aggregating and diffusing features over the entire…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Weihua Wang , Yubo Cui , Xiangru Lin , Zhiheng Li , Zheng Fang

Recent camera-based 3D semantic scene completion (SSC) methods have increasingly explored leveraging temporal cues to enrich the features of the current frame. However, while these approaches primarily focus on enhancing in-frame regions,…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Jongseong Bae , Junwoo Ha , Jinnyeong Heo , Yeongin Lee , Ha Young Kim

Semantic scene completion is the task of jointly estimating 3D geometry and semantics of objects and surfaces within a given extent. This is a particularly challenging task on real-world data that is sparse and occluded. We propose a scene…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Christoph B. Rist , David Emmerichs , Markus Enzweiler , Dariu M. Gavrila

LiDAR point cloud analysis is a core task for 3D computer vision, especially for autonomous driving. However, due to the severe sparsity and noise interference in the single sweep LiDAR point cloud, the accurate semantic segmentation is…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Xu Yan , Jiantao Gao , Jie Li , Ruimao Zhang , Zhen Li , Rui Huang , Shuguang Cui

Semantic Scene Completion (SSC) refers to the task of inferring the 3D semantic segmentation of a scene while simultaneously completing the 3D shapes. We propose PALNet, a novel hybrid network for SSC based on single depth. PALNet utilizes…

计算机视觉与模式识别 · 计算机科学 2020-02-03 Yu Liu , Jie Li , Xia Yuan , Chunxia Zhao , Roland Siegwart , Ian Reid , Cesar Cadena

Semantic scene completion, also known as semantic occupancy prediction, can provide dense geometric and semantic information for autonomous vehicles, which attracts the increasing attention of both academia and industry. Unfortunately,…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Song Wang , Jiawei Yu , Wentong Li , Wenyu Liu , Xiaolu Liu , Junbo Chen , Jianke Zhu

We propose ESSC-RM, a plug-and-play Enhancing framework for Semantic Scene Completion with a Refinement Module, which can be seamlessly integrated into existing SSC models. ESSC-RM operates in two phases: a baseline SSC network first…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Dunxing Zhang , Jiachen Lu , Han Yang , Lei Bao , Bo Song

3D semantic scene completion and 2D semantic segmentation are two tightly correlated tasks that are both essential for indoor scene understanding, because they predict the same semantic classes, using positively correlated high-level…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Jie Li , Laiyan Ding , Rui Huang

Semantic scene completion is the task of predicting a complete 3D representation of volumetric occupancy with corresponding semantic labels for a scene from a single point of view. Previous works on Semantic Scene Completion from RGB-D data…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Aloisio Dourado , Teofilo Emidio de Campos , Hansung Kim , Adrian Hilton

Semantic segmentation of point clouds, aiming to assign each point a semantic category, is critical to 3D scene understanding.Despite of significant advances in recent years, most of existing methods still suffer from either the…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Chen Chen , Yisen Wang , Honghua Chen , Xuefeng Yan , Dayong Ren , Yanwen Guo , Haoran Xie , Fu Lee Wang , Mingqiang Wei

3D point clouds are rich in geometric structure information, while 2D images contain important and continuous texture information. Combining 2D information to achieve better 3D semantic segmentation has become mainstream in 3D scene…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Chaolong Yang , Yuyao Yan , Weiguang Zhao , Jianan Ye , Xi Yang , Amir Hussain , Kaizhu Huang

Monocular 3D Semantic Scene Completion (SSC) has garnered significant attention in recent years due to its potential to predict complex semantics and geometry shapes from a single image, requiring no 3D inputs. In this paper, we identify…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Jiawei Yao , Chuming Li , Keqiang Sun , Yingjie Cai , Hao Li , Wanli Ouyang , Hongsheng Li

In recent years, visual 3D Semantic Scene Completion (SSC) has emerged as a critical perception task for autonomous driving due to its ability to infer complete 3D scene layouts and semantics from single 2D images. However, in real-world…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Haoang Lu , Yuanqi Su , Xiaoning Zhang , Hao Hu

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…

计算机视觉与模式识别 · 计算机科学 2026-01-22 Zichen Xi , Hao-Xiang Chen , Nan Xue , Hongyu Yan , Qi-Yuan Feng , Levent Burak Kara , Joaquim Jorge , Qun-Ce Xu

Monocular Semantic Scene Completion (MSSC) aims to predict the voxel-wise occupancy and semantic category from a single-view RGB image. Existing methods adopt a single-stage framework that aims to simultaneously achieve visible region…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Xuzhi Wang , Xinran Wu , Song Wang , Lingdong Kong , Ziping Zhao