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Related papers: GenPC: Zero-shot Point Cloud Completion via 3D Gen…

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Segmentation of three-dimensional (3D) point clouds is an important task for autonomous systems. However, success of segmentation algorithms depends greatly on the quality of the underlying point clouds (resolution, completeness etc.). In…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Yigit Gurses , Melisa Taspinar , Mahmut Yurt , Sedat Ozer

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

Single image view synthesis allows for the generation of new views of a scene given a single input image. This is challenging, as it requires comprehensively understanding the 3D scene from a single image. As a result, current methods…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Olivia Wiles , Georgia Gkioxari , Richard Szeliski , Justin Johnson

Point cloud registration aligns multiple unposed point clouds into a common reference frame and is a core step for 3D reconstruction and robot localization without initial guess. In this work, we cast registration as conditional generation:…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yue Pan , Tao Sun , Liyuan Zhu , Lucas Nunes , Iro Armeni , Jens Behley , Cyrill Stachniss

Multi-focus image fusion aims to generate an all-in-focus image from a sequence of partially focused input images. Existing fusion algorithms generally assume that, for every spatial location in the scene, there is at least one input image…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Xinzhe Xie , Buyu Guo , Bolin Li , Shuangyan He , Yanzhen Gu , Qingyan Jiang , Peiliang Li

The task of point cloud completion aims to predict the missing part for an incomplete 3D shape. A widely used strategy is to generate a complete point cloud from the incomplete one. However, the unordered nature of point clouds will degrade…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Xin Wen , Peng Xiang , Zhizhong Han , Yan-Pei Cao , Pengfei Wan , Wen Zheng , Yu-Shen Liu

In the recent years, the research community has witnessed growing use of 3D point cloud data for the high applicability in various real-world applications. By means of 3D point cloud, this modality enables to consider the actual size and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Daichi Otsuka , Shinichi Mae , Ryosuke Yamada , Hirokatsu Kataoka

We propose WarpingGAN, an effective and efficient 3D point cloud generation network. Unlike existing methods that generate point clouds by directly learning the mapping functions between latent codes and 3D shapes, Warping-GAN learns a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Yingzhi Tang , Yue Qian , Qijian Zhang , Yiming Zeng , Junhui Hou , Xuefei Zhe

This paper revisits few-shot 3D point cloud semantic segmentation (FS-PCS), with a focus on two significant issues in the state-of-the-art: foreground leakage and sparse point distribution. The former arises from non-uniform point sampling,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Zhaochong An , Guolei Sun , Yun Liu , Fayao Liu , Zongwei Wu , Dan Wang , Luc Van Gool , Serge Belongie

3D scene generation has quickly become a challenging new research direction, fueled by consistent improvements of 2D generative diffusion models. Most prior work in this area generates scenes by iteratively stitching newly generated frames…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Paul Engstler , Andrea Vedaldi , Iro Laina , Christian Rupprecht

Tracking a point through a video can be a challenging task due to uncertainty arising from visual obfuscations, such as appearance changes and occlusions. Although current state-of-the-art discriminative models excel in regressing long-term…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Mattie Tesfaldet , Adam W. Harley , Konstantinos G. Derpanis , Derek Nowrouzezahrai , Christopher Pal

Three-dimensional geometric data offer an excellent domain for studying representation learning and generative modeling. In this paper, we look at geometric data represented as point clouds. We introduce a deep AutoEncoder (AE) network with…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Panos Achlioptas , Olga Diamanti , Ioannis Mitliagkas , Leonidas Guibas

The last few years have witnessed the great success of non-linear generative models in synthesizing high-quality photorealistic face images. Many recent 3D facial texture reconstruction and pose manipulation from a single image approaches…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Baris Gecer , Jiankang Deng , Stefanos Zafeiriou

Recent years have witnessed the emergence of 3D medical imaging techniques with the development of 3D sensors and technology. Due to the presence of noise in image acquisition, registration researchers focused on an alternative way to…

Machine Learning · Computer Science 2019-11-06 Liu Yang , Rudrasis Chakraborty

Point cloud completion aims to infer the complete geometries for missing regions of 3D objects from incomplete ones. Previous methods usually predict the complete point cloud based on the global shape representation extracted from the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Xin Wen , Tianyang Li , Zhizhong Han , Yu-Shen Liu

We present an image-conditioned point cloud completion approach that treats images as the primary geometric source rather than a secondary guide. To this end, we introduce an Image-to-Point (I2P) module that can reconstruct complete point…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Azhar Hussian , Marina Ritthaler , André Kaup , Vasileios Belagiannis

Recovering clean and accurate geometry from images is essential for robotics and augmented reality. However, existing geometry foundation models still suffer severely from flying pixels and the loss of fine details. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Gangwei Xu , Haotong Lin , Hongcheng Luo , Haiyang Sun , Bing Wang , Guang Chen , Sida Peng , Hangjun Ye , Xin Yang

In this paper, we introduce PCR-CG: a novel 3D point cloud registration module explicitly embedding the color signals into the geometry representation. Different from previous methods that only use geometry representation, our module is…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Yu Zhang , Junle Yu , Xiaolin Huang , Wenhui Zhou , Ji Hou

The creation of manufacturable and editable 3D shapes through Computer-Aided Design (CAD) remains a highly manual and time-consuming task, hampered by the complex topology of boundary representations of 3D solids and unintuitive design…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Md Ferdous Alam , Faez Ahmed

Generative models have achieved state-of-the-art performance for the zero-shot learning problem, but they require re-training the classifier every time a new object category is encountered. The traditional semantic embedding approaches,…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Ayyappa Kumar Pambala , Titir Dutta , Soma Biswas