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We introduce Point2Skeleton, an unsupervised method to learn skeletal representations from point clouds. Existing skeletonization methods are limited to tubular shapes and the stringent requirement of watertight input, while our method aims…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Cheng Lin , Changjian Li , Yuan Liu , Nenglun Chen , Yi-King Choi , Wenping Wang

Automating architectural floorplan design is vital for housing and interior design, offering a faster, cost-effective alternative to manual sketches by architects. However, existing methods, including rule-based and learning-based…

Graphics · Computer Science 2024-12-17 Sizhe Hu , Wenming Wu , Yuntao Wang , Benzhu Xu , Liping Zheng

We present a fast framework for indoor scene synthesis, given a room geometry and a list of objects with learnt priors. Unlike existing data-driven solutions, which often extract priors by co-occurrence analysis and statistical model…

Graphics · Computer Science 2020-02-06 Song-Hai Zhang , Shao-Kui Zhang , Wei-Yu Xie , Cheng-Yang Luo , Hong-Bo Fu

3D object detection is a fundamental task in scene understanding. Numerous research efforts have been dedicated to better incorporate Hough voting into the 3D object detection pipeline. However, due to the noisy, cluttered, and partial…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Haoran Hou , Mingtao Feng , Zijie Wu , Weisheng Dong , Qing Zhu , Yaonan Wang , Ajmal Mian

We propose a novel method to efficiently estimate the spatial layout of a room from a single monocular RGB image. As existing approaches based on low-level feature extraction, followed by a vanishing point estimation are very slow and often…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Martin Hirzer , Peter M. Roth , Vincent Lepetit

3D indoor scenes are widely used in computer graphics, with applications ranging from interior design to gaming to virtual and augmented reality. They also contain rich information, including room layout, as well as furniture type,…

Graphics · Computer Science 2023-02-22 Lin Gao , Jia-Mu Sun , Kaichun Mo , Yu-Kun Lai , Leonidas J. Guibas , Jie Yang

3D Gaussian Splatting (3DGS) has recently unlocked real-time, high-fidelity novel view synthesis by representing scenes using explicit 3D primitives. However, traditional methods often require millions of Gaussians to capture complex…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Anh Thuan Tran , Jana Kosecka

We propose SF2SE3, a novel approach to estimate scene dynamics in form of a segmentation into independently moving rigid objects and their SE(3)-motions. SF2SE3 operates on two consecutive stereo or RGB-D images. First, noisy scene flow is…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Leonhard Sommer , Philipp Schröppel , Thomas Brox

In this paper, we propose RoomPlanner, the first fully automatic 3D room generation framework for painlessly creating realistic indoor scenes with only short text as input. Without any manual layout design or panoramic image guidance, our…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Wenzhuo Sun , Mingjian Liang , Wenxuan Song , Xuelian Cheng , Zongyuan Ge

This paper proposes a new approach, Flat2Layout, for estimating general indoor room layout from a single-view RGB image whereas existing methods can only produce layout topologies captured from the box-shaped room. The proposed flat…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Chi-Wei Hsiao , Cheng Sun , Min Sun , Hwann-Tzong Chen

Modern scene reconstruction methods are able to accurately recover 3D surfaces that are visible in one or more images. However, this leads to incomplete reconstructions, missing all occluded surfaces. While much progress has been made on…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Sam Bahrami , Dylan Campbell

3D Gaussian Splatting (3DGS) has recently gained popularity for efficient scene rendering by representing scenes as explicit sets of anisotropic 3D Gaussians. However, most existing work focuses primarily on modeling external surfaces. In…

Image and Video Processing · Electrical Eng. & Systems 2026-01-12 Shuxin Liang , Yihan Xiao , Wenlu Tang

3D alignment has become a very important part of 3D scanning technology. For instance, we can divide the alignment process into four steps: key point detection, key point description, initial pose estimation, and alignment refinement.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Abdenour Amamra , Khalid Boumaza

Many public buildings provide floorplans with a "you are here" indicator to help visitors orient themselves. Floorplan localization seeks to computationally replicate this capability by determining where visual observations were captured…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Junhyeong Cho , Ruojin Cai , Hadar Averbuch-Elor

Identifying and interpreting fetal standard scan planes during 2D ultrasound mid-pregnancy examinations are highly complex tasks which require years of training. Apart from guiding the probe to the correct location, it can be equally…

Computer Vision and Pattern Recognition · Computer Science 2017-07-26 Christian F. Baumgartner , Konstantinos Kamnitsas , Jacqueline Matthew , Tara P. Fletcher , Sandra Smith , Lisa M. Koch , Bernhard Kainz , Daniel Rueckert

We propose a probabilistic shape completion method extended to the continuous geometry of large-scale 3D scenes. Real-world scans of 3D scenes suffer from a considerable amount of missing data cluttered with unsegmented objects. The problem…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Dongsu Zhang , Changwoon Choi , Inbum Park , Young Min Kim

Open-vocabulary panoptic reconstruction is essential for advanced robotics perception and simulation. However, existing methods based on 3D Gaussian Splatting (3DGS) often struggle to simultaneously achieve geometric accuracy, coherent…

Robotics · Computer Science 2026-04-14 Xuan Yu , Yuxuan Xie , Changjian Jiang , Shichao Zhai , Rong Xiong , Yu Zhang , Yue Wang

Scene flow estimation is an extremely important task in computer vision to support the perception of dynamic changes in the scene. For robust scene flow, learning-based approaches have recently achieved impressive results using either…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Rajai Alhimdiat , Ramy Battrawy , René Schuster , Didier Stricker , Wesam Ashour

In this paper, we propose a novel procedure for 3D layout recovery of indoor scenes from single 360 degrees panoramic images. With such images, all scene is seen at once, allowing to recover closed geometries. Our method combines…

Computer Vision and Pattern Recognition · Computer Science 2018-06-22 Clara Fernandez-Labrador , Alejandro Perez-Yus , Gonzalo Lopez-Nicolas , Jose J. Guerrero

Recognising in what type of environment one is located is an important perception task. For instance, for a robot operating in indoors it is helpful to be aware whether it is in a kitchen, a hallway or a bedroom. Existing approaches attempt…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Shengyu Huang , Mikhail Usvyatsov , Konrad Schindler