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Existing learning-based point feature descriptors are usually task-agnostic, which pursue describing the individual 3D point clouds as accurate as possible. However, the matching task aims at describing the corresponding points consistently…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Zhiyuan Zhang , Yuchao Dai , Bin Fan , Jiadai Sun , Mingyi He

Monocular 3D object detection (Mono3D) aims to infer object locations and dimensions in 3D space from a single RGB image. Despite recent progress, existing methods remain highly sensitive to camera intrinsics and struggle to generalize…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Zhihao Zhang , Abhinav Kumar , Xiaoming Liu

When classifying point clouds, a large amount of time is devoted to the process of engineering a reliable set of features which are then passed to a classifier of choice. Generally, such features - usually derived from the 3D-covariance…

计算机视觉与模式识别 · 计算机科学 2020-05-22 Mohammed Yousefhussien , David J. Kelbe , Emmett J. Ientilucci , Carl Salvaggio

The present phase of Machine Learning is characterized by supervised learning algorithms relying on large sets of labeled examples ($n \to \infty$). The next phase is likely to focus on algorithms capable of learning from very few labeled…

计算机视觉与模式识别 · 计算机科学 2014-03-12 Fabio Anselmi , Joel Z. Leibo , Lorenzo Rosasco , Jim Mutch , Andrea Tacchetti , Tomaso Poggio

Being able to learn an effective semantic representation directly on raw point clouds has become a central topic in 3D understanding. Despite rapid progress, state-of-the-art encoders are restrictive to canonicalized point clouds, and have…

计算机视觉与模式识别 · 计算机科学 2022-08-12 Jun-Kun Chen , Yu-Xiong Wang

Object classification using LiDAR 3D point cloud data is critical for modern applications such as autonomous driving. However, labeling point cloud data is labor-intensive as it requires human annotators to visualize and inspect the 3D data…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Ziwei Wang , Reza Arablouei , Jiajun Liu , Paulo Borges , Greg Bishop-Hurley , Nicholas Heaney

This paper investigates multi-scale feature approximation and transferable features for object detection from point clouds. Multi-scale features are critical for object detection from point clouds. However, multi-scale feature learning…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Hao Peng , Hong Sang , Yajing Ma , Ping Qiu , Chao Ji

Recent advances in imitation learning and vision-language models highlight the need for high-fidelity tactile perception, with 6-DoF tactile object pose estimation providing a crucial foundation for precise robotic manipulation. We…

机器人学 · 计算机科学 2026-05-26 Pengfei Ye , Yuxiang Ma , Yi Zhou , Wei Chen , Wenzhen Dong , Molong Duan

Real-time 3D object detection from point clouds is essential for dynamic scene understanding in applications such as augmented reality, robotics and navigation. We introduce a novel Spatial-prioritized and Rank-aware 3D object detection…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Chenyu Zhao , Xianwei Zheng , Zimin Xia , Linwei Yue , Nan Xue

We propose a novel approach aimed at object and semantic scene completion from a partial scan represented as a 3D point cloud. Our architecture relies on three novel layers that are used successively within an encoder-decoder structure and…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Yida Wang , David Joseph Tan , Nassir Navab , Federico Tombari

Omnidirectional images and spherical representations of $3D$ shapes cannot be processed with conventional 2D convolutional neural networks (CNNs) as the unwrapping leads to large distortion. Using fast implementations of spherical and…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Suhas Lohit , Shubhendu Trivedi

Accurately localising object proposals is an important precondition for high detection rate for the state-of-the-art object detection frameworks. The accuracy of an object detection method has been shown highly related to the average recall…

计算机视觉与模式识别 · 计算机科学 2018-07-26 Hsueh-Fu Lu , Xiaofei Du , Ping-Lin Chang

This work proposes a general-purpose, fully-convolutional network architecture for efficiently processing large-scale 3D data. One striking characteristic of our approach is its ability to process unorganized 3D representations such as…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Dario Rethage , Johanna Wald , Jürgen Sturm , Nassir Navab , Federico Tombari

Indoor scene modification has emerged as a prominent area within computer vision, particularly for its applications in Augmented Reality (AR) and Virtual Reality (VR). Traditional methods often rely on pre-existing object databases and…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yiyang Luo , Ke Lin , Chao Gu

In recent years, zero-shot learning has attracted the focus of many researchers, due to its flexibility and generality. Many approaches have been proposed to achieve the zero-shot classification of the point clouds for 3D object…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Jiayi Han , Zidi Cao , Weibo Zheng , Xiangguo Zhou , Xiangjian He , Yuanfang Zhang , Daisen Wei

Point cloud is a crucial representation of 3D contents, which has been widely used in many areas such as virtual reality, mixed reality, autonomous driving, etc. With the boost of the number of points in the data, how to efficiently…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Kang You , Pan Gao , Qing Li

3D point cloud interpretation is a challenging task due to the randomness and sparsity of the component points. Many of the recently proposed methods like PointNet and PointCNN have been focusing on learning shape descriptions from point…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Zhaoyu Su , Pin Siang Tan , Junkang Chow , Jimmy Wu , Yehur Cheong , Yu-Hsing Wang

Affordable 3D scanners often produce sparse and non-uniform point clouds that negatively impact downstream applications in robotic systems. While existing point cloud upsampling architectures have demonstrated promising results on standard…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Ahmed Hatem , Yiming Qian , Yang Wang

Monocular Depth Estimation (MDE) is a fundamental computer vision task with important applications in 3D vision. The current mainstream MDE methods employ an encoder-decoder architecture with multi-level/scale feature processing. However,…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Huibin Bai , Shuai Li , Hanxiao Zhai , Yanbo Gao , Chong Lv , Yibo Wang , Haipeng Ping , Wei Hua , Xingyu Gao

During the past decade, deep neural networks have led to fast-paced progress and significant achievements in computer vision problems, for both academia and industry. Yet despite their success, state-of-the-art image classification…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Aristotelis Ballas , Christos Diou