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Related papers: "Zero-Shot" Point Cloud Upsampling

200 papers

Recent research on speech enhancement (SE) has seen the emergence of deep-learning-based methods. It is still a challenging task to determine the effective ways to increase the generalizability of SE under diverse test conditions. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-01 Ryandhimas E. Zezario , Chiou-Shann Fuh , Hsin-Min Wang , Yu Tsao

In this work, we propose to learn local descriptors for point clouds in a self-supervised manner. In each iteration of the training, the input of the network is merely one unlabeled point cloud. On top of our previous work, that directly…

Robotics · Computer Science 2020-03-12 Yijun Yuan , Jiawei Hou , Andreas Nüchter , Sören Schwertfeger

Zero-shot learning methods rely on fixed visual and semantic embeddings, extracted from independent vision and language models, both pre-trained for other large-scale tasks. This is a weakness of current zero-shot learning frameworks as…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Shah Nawaz , Jacopo Cavazza , Alessio Del Bue

The processing, storage and transmission of large-scale point clouds is an ongoing challenge in the computer vision community which hinders progress in the application of 3D models to real-world settings, such as autonomous driving, virtual…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Stuti Pathak , Thomas M. McDonald , Seppe Sels , Rudi Penne

With the increased availability of 3D scanning technology, point clouds are moving into the focus of computer vision as a rich representation of everyday scenes. However, they are hard to handle for machine learning algorithms due to their…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Sergey Prokudin , Christoph Lassner , Javier Romero

Recent advances in deep learning have improved 3D point cloud registration but increased graphics processing unit (GPU) memory usage, often requiring preliminary sampling that reduces accuracy. We propose an overlapping region sampling…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Tomoyasu Shimada , Kazuhiko Murasaki , Shogo Sato , Toshihiko Nishimura , Taiga Yoshida , Ryuichi Tanida

Zero-shot (ZS) 3D anomaly detection is crucial for reliable industrial inspection, as it enables detecting and localizing defects without requiring any target-category training data. Existing approaches render 3D point clouds into 2D images…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Kaiqiang Li , Gang Li , Mingle Zhou , Min Li , Delong Han , Jin Wan

Pre-trained point cloud analysis models have shown promising advancements in various downstream tasks, yet their effectiveness is typically suffering from low-quality point cloud (i.e., noise and incompleteness), which is a common issue in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Zixiang Ai , Zhenyu Cui , Yuxin Peng , Jiahuan Zhou

Point cloud completion addresses filling in the missing parts of a partial point cloud obtained from depth sensors and generating a complete point cloud. Although there has been steep progress in the supervised methods on the synthetic…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Sangmin Hong , Mohsen Yavartanoo , Reyhaneh Neshatavar , Kyoung Mu Lee

Point clouds captured by scanning devices are often incomplete due to occlusion. To overcome this limitation, point cloud completion methods have been developed to predict the complete shape of an object based on its partial input. These…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Lintai Wu , Qijian Zhang , Junhui Hou , Yong Xu

Robotic manipulation systems benefit from complementary sensing modalities, where each provides unique environmental information. Point clouds capture detailed geometric structure, while RGB images provide rich semantic context. Current…

Parts represent a basic unit of geometric and semantic similarity across different objects. We argue that part knowledge should be composable beyond the observed object classes. Towards this, we present 3D Compositional Zero-shot Learning…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Muhammad Ferjad Naeem , Evin Pınar Örnek , Yongqin Xian , Luc Van Gool , Federico Tombari

Zero-shot hyperparameter optimization (HPO) is a simple yet effective use of transfer learning for constructing a small list of hyperparameter (HP) configurations that complement each other. That is to say, for any given dataset, at least…

Machine Learning · Statistics 2020-07-28 Fela Winkelmolen , Nikita Ivkin , H. Furkan Bozkurt , Zohar Karnin

Deep learning systems extensively use convolution operations to process input data. Though convolution is clearly defined for structured data such as 2D images or 3D volumes, this is not true for other data types such as sparse point…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Pedro Hermosilla , Tobias Ritschel , Pere-Pau Vázquez , Àlvar Vinacua , Timo Ropinski

Semantic segmentation models are limited in their ability to scale to large numbers of object classes. In this paper, we introduce the new task of zero-shot semantic segmentation: learning pixel-wise classifiers for never-seen object…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Maxime Bucher , Tuan-Hung Vu , Matthieu Cord , Patrick Pérez

Although extensive research has been conducted on 3D point cloud segmentation, effectively adapting generic models to novel categories remains a formidable challenge. This paper proposes a novel approach to improve point cloud few-shot…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Zhenhua Ning , Zhuotao Tian , Guangming Lu , Wenjie Pei

In this paper we address the task of finding representative subsets of points in a 3D point cloud by means of a point-wise ordering. Only a few works have tried to address this challenging vision problem, all with the help of hard to obtain…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Pengwan Yang , Cees G. M. Snoek , Yuki M. Asano

Point cloud super-resolution is a fundamental problem for 3D reconstruction and 3D data understanding. It takes a low-resolution (LR) point cloud as input and generates a high-resolution (HR) point cloud with rich details. In this paper, we…

Graphics · Computer Science 2019-08-07 Huikai Wu , Junge Zhang , Kaiqi Huang

Point Cloud Sampling and Recovery (PCSR) is critical for massive real-time point cloud collection and processing since raw data usually requires large storage and computation. In this paper, we address a fundamental problem in PCSR: How to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Weibing Zhao , Xu Yan , Jiantao Gao , Ruimao Zhang , Jiayan Zhang , Zhen Li , Song Wu , Shuguang Cui

Manual annotation of large-scale point cloud dataset for varying tasks such as 3D object classification, segmentation and detection is often laborious owing to the irregular structure of point clouds. Self-supervised learning, which…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Mohamed Afham , Isuru Dissanayake , Dinithi Dissanayake , Amaya Dharmasiri , Kanchana Thilakarathna , Ranga Rodrigo