中文
相关论文

相关论文: One Shot Learning for Edge Detection on Point Clou…

200 篇论文

Man-made objects usually exhibit descriptive curved features (i.e., curve networks). The curve network of an object conveys its high-level geometric and topological structure. We present a framework for extracting feature curve networks…

图形学 · 计算机科学 2016-03-30 Yuanhao Cao , Liangliang Nan , Peter Wonka

Many existing approaches for 3D point cloud semantic segmentation are fully supervised. These fully supervised approaches heavily rely on large amounts of labeled training data that are difficult to obtain and cannot segment new classes…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Na Zhao , Tat-Seng Chua , Gim Hee Lee

In this paper, we propose a novel edge-labeling graph neural network (EGNN), which adapts a deep neural network on the edge-labeling graph, for few-shot learning. The previous graph neural network (GNN) approaches in few-shot learning have…

机器学习 · 计算机科学 2019-05-07 Jongmin Kim , Taesup Kim , Sungwoong Kim , Chang D. Yoo

Point cloud segmentation is a fundamental visual understanding task in 3D vision. A fully supervised point cloud segmentation network often requires a large amount of data with point-wise annotations, which is expensive to obtain. In this…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Xiaoyu Chen , Chi Zhang , Guosheng Lin , Jing Han

We propose a surface fitting method for unstructured 3D point clouds. This method, called DeepFit, incorporates a neural network to learn point-wise weights for weighted least squares polynomial surface fitting. The learned weights act as a…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Yizhak Ben-Shabat , Stephen Gould

The points on the point clouds that can entirely outline the shape of the model are of critical importance, as they serve as the foundation for numerous point cloud processing tasks and are widely utilized in computer graphics and…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Yuhe Zhang , Zhikun Tu , Zhi Li , Jian Gao , Bao Guo , Shunli Zhang

We propose a novel normal estimation method called HSurf-Net, which can accurately predict normals from point clouds with noise and density variations. Previous methods focus on learning point weights to fit neighborhoods into a geometric…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Qing Li , Yu-Shen Liu , Jin-San Cheng , Cheng Wang , Yi Fang , Zhizhong Han

Fully convolutional neural networks (FCNs) have shown their advantages in the salient object detection task. However, most existing FCNs-based methods still suffer from coarse object boundaries. In this paper, to solve this problem, we…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Jia-Xing Zhao , Jiangjiang Liu , Den-Ping Fan , Yang Cao , Jufeng Yang , Ming-Ming Cheng

Point normal, as an intrinsic geometric property of 3D objects, not only serves conventional geometric tasks such as surface consolidation and reconstruction, but also facilitates cutting-edge learning-based techniques for shape analysis…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Haoran Zhou , Honghua Chen , Yingkui Zhang , Mingqiang Wei , Haoran Xie , Jun Wang , Tong Lu , Jing Qin , Xiao-Ping Zhang

Cross-modal data registration has long been a critical task in computer vision, with extensive applications in autonomous driving and robotics. Accurate and robust registration methods are essential for aligning data from different…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Yuanchao Yue , Hui Yuan , Qinglong Miao , Xiaolong Mao , Raouf Hamzaoui , Peter Eisert

Point cloud is a principal data structure adopted for 3D geometric information encoding. Unlike other conventional visual data, such as images and videos, these irregular points describe the complex shape features of 3D objects, which makes…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Chaoyi Zhang , Yang Song , Lina Yao , Weidong Cai

The architecture of deep convolutional networks (CNNs) has evolved for years, becoming more accurate and faster. However, it is still challenging to design reasonable network structures that aim at obtaining the best accuracy under a…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Lu Rao

Lensless imaging stands out as a promising alternative to conventional lens-based systems, particularly in scenarios demanding ultracompact form factors and cost-effective architectures. However, such systems are fundamentally governed by…

图像与视频处理 · 电气工程与系统科学 2025-05-06 Jiesong Bai , Yuhao Yin , Yihang Dong , Xiaofeng Zhang , Chi-Man Pun , Xuhang Chen

To enable realistic shape (e.g. pose and expression) transfer, existing face reenactment methods rely on a set of target faces for learning subject-specific traits. However, in real-world scenario end-users often only have one target face…

计算机视觉与模式识别 · 计算机科学 2019-08-12 Yunxuan Zhang , Siwei Zhang , Yue He , Cheng Li , Chen Change Loy , Ziwei Liu

This paper proposes BPNet, a novel end-to-end deep learning framework to learn B\'ezier primitive segmentation on 3D point clouds. The existing works treat different primitive types separately, thus limiting them to finite shape categories.…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Rao Fu , Cheng Wen , Qian Li , Xiao Xiao , Pierre Alliez

In this paper, we present the One-shot In-context Part Segmentation (OIParts) framework, designed to tackle the challenges of part segmentation by leveraging visual foundation models (VFMs). Existing training-based one-shot part…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Zhenqi Dai , Ting Liu , Xingxing Zhang , Yunchao Wei , Yanning Zhang

Point clouds are often sparse and incomplete, which imposes difficulties for real-world applications. Existing shape completion methods tend to generate rough shapes without fine-grained details. Considering this, we introduce a two-branch…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

The deficiency of 3D segmentation labels is one of the main obstacles to effective point cloud segmentation, especially for scenes in the wild with varieties of different objects. To alleviate this issue, we propose a novel deep graph…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Haiyan Wang , Xuejian Rong , Liang Yang , Jinglun Feng , Jizhong Xiao , Yingli Tian

Object detection and classification is one of the most important computer vision problems. Ever since the introduction of deep learning \cite{krizhevsky2012imagenet}, we have witnessed a dramatic increase in the accuracy of this object…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Gurjeet Singh , Sun Miao , Shi Shi , Patrick Chiang

The current trend in computer vision is to utilize one universal model to address all various tasks. Achieving such a universal model inevitably requires incorporating multi-domain data for joint training to learn across multiple problem…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Zhenyu Wang , Yali Li , Hengshuang Zhao , Shengjin Wang
‹ 上一页 1 8 9 10 下一页 ›