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Related papers: LaS-Comp: Zero-shot 3D Completion with Latent-Spat…

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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,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Zizhao Wu , Jian Shi , Xuan Deng , Cheng Zhang , Genfu Yang , Ming Zeng , Yunhai Wang

Tracking non-rigidly deforming scenes using range sensors has numerous applications including computer vision, AR/VR, and robotics. However, due to occlusions and physical limitations of range sensors, existing methods only handle the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Yang Li , Hikari Takehara , Takafumi Taketomi , Bo Zheng , Matthias Nießner

3D Gaussian Splatting (3DGS) has recently emerged as a promising approach for 3D reconstruction, providing explicit, point-based representations and enabling high-quality real time rendering. However, when trained with sparse input views,…

Image and Video Processing · Electrical Eng. & Systems 2026-02-09 Chaeyoung Jeong , Kwangsu Kim

We consider a category-level perception problem, where one is given 2D or 3D sensor data picturing an object of a given category (e.g., a car), and has to reconstruct the 3D pose and shape of the object despite intra-class variability…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Jingnan Shi , Heng Yang , Luca Carlone

This paper presents a novel approach to object completion, with the primary goal of reconstructing a complete object from its partially visible components. Our method, named MaskComp, delineates the completion process through iterative…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Xiang Li , Yinpeng Chen , Chung-Ching Lin , Hao Chen , Kai Hu , Rita Singh , Bhiksha Raj , Lijuan Wang , Zicheng Liu

Query-based 3D scene instance segmentation from point clouds has attained notable performance. However, existing methods suffer from the query initialization dilemma due to the sparse nature of point clouds and rely on computationally…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Lei Yao , Yi Wang , Yawen Cui , Moyun Liu , Lap-Pui Chau

Recovering full 3D shapes from partial observations is a challenging task that has been extensively addressed in the computer vision community. Many deep learning methods tackle this problem by training 3D shape generation networks to learn…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Bipasha Sen , Aditya Agarwal , Gaurav Singh , Brojeshwar B. , Srinath Sridhar , Madhava Krishna

Few-shot segmentation (FSS) aims to segment objects of unseen classes given only a few annotated support images. Most existing methods simply stitch query features with independent support prototypes and segment the query image by feeding…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Kai Huang , Mingfei Cheng , Yang Wang , Bochen Wang , Ye Xi , Feigege Wang , Peng Chen

Segment Anything Model (SAM) has demonstrated impressive zero-shot segmentation capabilities across natural image domains, but it struggles to generalize to the unique challenges of remote sensing data, such as complex terrain, multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Tianyang Wang , Xi Xiao , Gaofei Chen , Hanzhang Chi , Qi Zhang , Guo Cheng , Yingrui Ji

One-shot prediction enables rapid adaptation of pretrained foundation models to new tasks using only one labeled example, but lacks principled uncertainty quantification. While conformal prediction provides finite-sample coverage…

Machine Learning · Statistics 2026-02-02 Maja Waldron

The unpaired point cloud completion task aims to complete a partial point cloud by using models trained with no ground truth. Existing unpaired point cloud completion methods are class-aware, i.e., a separate model is needed for each object…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Yixuan Yang , Jinyu Yang , Zixiang Zhao , Victor Sanchez , Feng Zheng

We present a novel latent embedding model for learning a compatibility function between image and class embeddings, in the context of zero-shot classification. The proposed method augments the state-of-the-art bilinear compatibility model…

Computer Vision and Pattern Recognition · Computer Science 2016-04-12 Yongqin Xian , Zeynep Akata , Gaurav Sharma , Quynh Nguyen , Matthias Hein , Bernt Schiele

3D Gaussian Splatting has emerged as a powerful paradigm for explicit 3D scene representation, yet achieving efficient and consistent 3D segmentation remains challenging. Existing segmentation approaches typically rely on high-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Wentao Sun , Quanyun Wu , Hanqing Xu , Kyle Gao , Zhengsen Xu , Yiping Chen , Dedong Zhang , Lingfei Ma , John S. Zelek , Jonathan Li

This paper presents an approach for applying camera perception techniques to spinning LiDAR data. To improve the robustness of long-term change detection from a 3D LiDAR, range and intensity information are rendered into virtual…

Robotics · Computer Science 2024-05-01 Alexander Krawciw , Sven Lilge , Timothy D. Barfoot

Advancements in 3D instance segmentation have traditionally been tethered to the availability of annotated datasets, limiting their application to a narrow spectrum of object categories. Recent efforts have sought to harness vision-language…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Yingda Yin , Yuzheng Liu , Yang Xiao , Daniel Cohen-Or , Jingwei Huang , Baoquan Chen

In this paper, we consider lasso problems with zero-sum constraint, commonly required for the analysis of compositional data in high-dimensional spaces. A novel algorithm is proposed to solve these problems, combining a tailored active-set…

Optimization and Control · Mathematics 2022-09-26 Andrea Cristofari

In this work, we introduce Coca-Splat, a novel approach to addressing the challenges of sparse view pose-free scene reconstruction and novel view synthesis (NVS) by jointly optimizing camera parameters with 3D Gaussians. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Jiamin Wu , Hongyang Li , Xiaoke Jiang , Yuan Yao , Lei Zhang

While 3D shape representations enable powerful reasoning in many visual and perception applications, learning 3D shape priors tends to be constrained to the specific categories trained on, leading to an inefficient learning process,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Yuchen Rao , Yinyu Nie , Angela Dai

Powerful priors allow us to perform inference with insufficient information. In this paper, we propose an autoregressive prior for 3D shapes to solve multimodal 3D tasks such as shape completion, reconstruction, and generation. We model the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Paritosh Mittal , Yen-Chi Cheng , Maneesh Singh , Shubham Tulsiani

3D shape completion from partial scans remains challenging for unseen categories and noisy real-world observations, where geometry alone is often insufficient for inferring missing structure. We present DinoComplete, a deterministic and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Furkan Mert Algan , Eckehard Steinbach