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相关论文: Point-In-Context: Understanding Point Cloud via In…

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Point encoder is of vital importance for point cloud recognition. As the very beginning step of whole model pipeline, adding features from diverse sources and providing stronger feature encoding mechanism would provide better input for…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Zichao Dong , Hang Ji , Xufeng Huang , Weikun Zhang , Xin Zhan , Junbo Chen

3D point clouds deep learning is a promising field of research that allows a neural network to learn features of point clouds directly, making it a robust tool for solving 3D scene understanding tasks. While recent works show that point…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Zhiyuan Zhang , Binh-Son Hua , Sai-Kit Yeung

Range-view projection provides an efficient method for transforming 3D LiDAR point clouds into 2D range image representations, enabling effective processing with 2D deep learning models. However, a major challenge in this projection is the…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Seyedali Mousavi , Seyedhamidreza Mousavi , Masoud Daneshtalab

Deep neural networks have achieved significant success in 3D point cloud classification while relying on large-scale, annotated point cloud datasets, which are labor-intensive to build. Compared to capturing data with LiDAR sensors and then…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Huantao Ren , Minmin Yang , Senem Velipasalar

In-context learning (ICL) unfolds as large language models become capable of inferring test labels conditioned on a few labeled samples without any gradient update. ICL-enabled large language models provide a promising step forward toward…

计算与语言 · 计算机科学 2023-06-27 Eshaan Tanwar , Subhabrata Dutta , Manish Borthakur , Tanmoy Chakraborty

Robust imitation learning for robot manipulation requires comprehensive 3D perception, yet many existing methods struggle in cluttered environments. Fixed camera view approaches are vulnerable to perspective changes, and 3D point cloud…

机器人学 · 计算机科学 2025-07-08 Daqi Huang , Zhehao Cai , Yuzhi Hao , Zechen Li , Chee-Meng Chew

3D point cloud segmentation aims to assign semantic labels to individual points in a scene for fine-grained spatial understanding. Existing methods typically adopt data augmentation to alleviate the burden of large-scale annotation.…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Hongbin Lin , Yifan Jiang , Juangui Xu , Jesse Jiaxi Xu , Yi Lu , Zhengyu Hu , Ying-Cong Chen , Hao Wang

3D Point Cloud Semantic Segmentation (PCSS) is attracting increasing interest, due to its applicability in remote sensing, computer vision and robotics, and due to the new possibilities offered by deep learning techniques. In order to…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Yuxing Xie , Jiaojiao Tian , Xiao Xiang Zhu

In-context learning (ICL) is a few-shot learning paradigm that involves learning mappings through input-output pairs and appropriately applying them to new instances. Despite the remarkable ICL capabilities demonstrated by Large Language…

计算与语言 · 计算机科学 2024-08-06 Peng Wang , Xiaobin Wang , Chao Lou , Shengyu Mao , Pengjun Xie , Yong Jiang

Point clouds denote a prominent solution for the representation of 3D photo-realistic content in immersive applications. Similarly to other imaging modalities, quality predictions for point cloud contents are vital for a wide range of…

多媒体 · 计算机科学 2024-08-14 Evangelos Alexiou , Xuemei Zhou , Irene Viola , Pablo Cesar

Pre-trained point cloud models have found extensive applications in 3D understanding tasks like object classification and part segmentation. However, the prevailing strategy of full fine-tuning in downstream tasks leads to large per-task…

计算机视觉与模式识别 · 计算机科学 2023-07-26 Yaohua Zha , Jinpeng Wang , Tao Dai , Bin Chen , Zhi Wang , Shu-Tao Xia

Fine-tuning Large Language Models (LLMs) typically involves updating at least a few billions of parameters. A more parameter-efficient approach is Prompt Tuning (PT), which updates only a few learnable tokens, and differently, In-Context…

计算与语言 · 计算机科学 2024-10-23 Tsachi Blau , Moshe Kimhi , Yonatan Belinkov , Alexander Bronstein , Chaim Baskin

Point clouds, a prominent method of 3D representation, are extensively utilized across industries such as autonomous driving, surveying, electricity, architecture, and gaming, and have been rigorously investigated for their accuracy and…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Jingyuan Tang , Yuhuan Zhao , Songlin Sun , Yangang Cai

Point cloud analysis has a wide range of applications in many areas such as computer vision, robotic manipulation, and autonomous driving. While deep learning has achieved remarkable success on image-based tasks, there are many unique…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Sushmita Sarker , Prithul Sarker , Gunner Stone , Ryan Gorman , Alireza Tavakkoli , George Bebis , Javad Sattarvand

Large vision-language models (LVLMs) employ multi-modal in-context learning (MM-ICL) to adapt to new tasks by leveraging demonstration examples. While increasing the number of demonstrations boosts performance, they incur significant…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Shin'ya Yamaguchi , Daiki Chijiwa , Tamao Sakao , Taku Hasegawa

3D point cloud segmentation has made tremendous progress in recent years. Most current methods focus on aggregating local features, but fail to directly model long-range dependencies. In this paper, we propose Stratified Transformer that is…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Xin Lai , Jianhui Liu , Li Jiang , Liwei Wang , Hengshuang Zhao , Shu Liu , Xiaojuan Qi , Jiaya Jia

Semantic segmentation of LiDAR point clouds is an important task in autonomous driving. However, training deep models via conventional supervised methods requires large datasets which are costly to label. It is critical to have…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Minghua Liu , Yin Zhou , Charles R. Qi , Boqing Gong , Hao Su , Dragomir Anguelov

In this study, we present an analysis of model-based ensemble learning for 3D point-cloud object classification and detection. An ensemble of multiple model instances is known to outperform a single model instance, but there is little study…

计算机视觉与模式识别 · 计算机科学 2019-05-24 Daniel Koguciuk , Łukasz Chechliński , Tarek El-Gaaly

Annotating large-scale point clouds is highly time-consuming and often infeasible for many complex real-world tasks. Point cloud pre-training has therefore become a promising strategy for learning discriminative representations without…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Guofeng Mei , Xiaoshui Huang , Juan Liu , Jian Zhang , Qiang Wu

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes. Recent state-of-the-art methods have relatively complex architectures such as…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Jacek Komorowski