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相关论文: "Zero-Shot" Point Cloud Upsampling

200 篇论文

In this paper, we study the problem of recognizing compositional attribute-object concepts within the zero-shot learning (ZSL) framework. We propose an episode-based cross-attention (EpiCA) network which combines merits of cross-attention…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Guangyue Xu , Parisa Kordjamshidi , Joyce Y. Chai

Data augmentation is an effective regularization strategy for mitigating overfitting in deep neural networks, and it plays a crucial role in 3D vision tasks, where the point cloud data is relatively limited. While mixing-based augmentation…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Yi Wang , Jiaze Wang , Jinpeng Li , Zixu Zhao , Guangyong Chen , Anfeng Liu , Pheng-Ann Heng

Processing large point clouds is a challenging task. Therefore, the data is often sampled to a size that can be processed more easily. The question is how to sample the data? A popular sampling technique is Farthest Point Sampling (FPS).…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Oren Dovrat , Itai Lang , Shai Avidan

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

Zero-shot 3D point cloud understanding can be achieved via 2D Vision-Language Models (VLMs). Existing strategies directly map Vision-Language Models from 2D pixels of rendered or captured views to 3D points, overlooking the inherent and…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Guofeng Mei , Luigi Riz , Yiming Wang , Fabio Poiesi

Objective quality assessment of 3D point clouds is essential for the development of immersive multimedia systems in real-world applications. Despite the success of perceptual quality evaluation for 2D images and videos, blind/no-reference…

多媒体 · 计算机科学 2022-09-01 Wei Zhou , Qi Yang , Qiuping Jiang , Guangtao Zhai , Weisi Lin

Supervised learning requires a sufficient training dataset which includes all label. However, there are cases that some class is not in the training data. Zero-Shot Learning (ZSL) is the task of predicting class that is not in the training…

机器学习 · 计算机科学 2020-07-02 Toshitaka Hayashi , Hamido Fujita

The evaluation of modelled or satellite-derived soil moisture (SM) estimates is usually dependent on comparisons against in-situ SM measurements. However, the inherent mismatch in spatial support (i.e., scale) necessitates a cautious…

机器学习 · 计算机科学 2024-04-09 Yi Yu , Brendan P. Malone , Luigi J. Renzullo

Single-view point cloud completion aims to recover the full geometry of an object based on only limited observation, which is extremely hard due to the data sparsity and occlusion. The core challenge is to generate plausible geometries to…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Bowen Zhang , Xi Zhao , He Wang , Ruizhen Hu

Learning to synthesize data has emerged as a promising direction in zero-shot quantization (ZSQ), which represents neural networks by low-bit integer without accessing any of the real data. In this paper, we observe an interesting…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Yunshan Zhong , Mingbao Lin , Gongrui Nan , Jianzhuang Liu , Baochang Zhang , Yonghong Tian , Rongrong Ji

This paper introduces a novel framework for zero-shot learning (ZSL), i.e., to recognize new categories that are unseen during training, by using a multi-model and multi-alignment integration method. Specifically, we propose three…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Siqi Yin , Lifan Jiang

Classical deep neural networks are limited in their ability to learn from emerging streams of training data. When trained sequentially on new or evolving tasks, their performance degrades sharply, making them inappropriate in real-world use…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Mozhgan PourKeshavarz , Mohammad Sabokrou

Self-supervised methods have been proven effective for learning deep representations of 3D point cloud data. Although recent methods in this domain often rely on random masking of inputs, the results of this approach can be improved. We…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Michał Szachniewicz , Wojciech Kozłowski , Michał Stypułkowski , Maciej Zięba

In recent years, research on few-shot learning (FSL) has been fast-growing in the 2D image domain due to the less requirement for labeled training data and greater generalization for novel classes. However, its application in 3D point cloud…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Chuangguan Ye , Hongyuan Zhu , Bo Zhang , Tao Chen

Hyperspectral pansharpening has received much attention in recent years due to technological and methodological advances that open the door to new application scenarios. However, research on this topic is only now gaining momentum. The most…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Giuseppe Guarino , Matteo Ciotola , Gemine Vivone , Giovanni Poggi , Giuseppe Scarpa

The goal of coreset selection is to identify representative subsets of datasets for efficient model training. Yet, existing approaches paradoxically require expensive training-based signals, e.g., gradients, decision boundary estimates or…

Deep learning has significantly improved the precision of instance segmentation with abundant labeled data. However, in many areas like medical and manufacturing, collecting sufficient data is extremely hard and labeling this data requires…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Ye Zheng , Jiahong Wu , Yongqiang Qin , Faen Zhang , Li Cui

Manually annotating complex scene point cloud datasets is both costly and error-prone. To reduce the reliance on labeled data, a new model called SnapshotNet is proposed as a self-supervised feature learning approach, which directly works…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Xingye Li , Ling Zhang , Zhigang Zhu

The study of zero-shot generalisation (ZSG) in deep Reinforcement Learning (RL) aims to produce RL algorithms whose policies generalise well to novel unseen situations at deployment time, avoiding overfitting to their training environments.…

机器学习 · 计算机科学 2023-01-20 Robert Kirk , Amy Zhang , Edward Grefenstette , Tim Rocktäschel

Pre-training on large-scale unlabeled datasets contribute to the model achieving powerful performance on 3D vision tasks, especially when annotations are limited. However, existing rendering-based self-supervised frameworks are…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Hao Liu , Minglin Chen , Yanni Ma , Haihong Xiao , Ying He