中文
相关论文

相关论文: Spectral Property-Driven Data Augmentation for Hyp…

200 篇论文

Recently, Spectral Compressive Imaging (SCI) has achieved remarkable success, unlocking significant potential for dynamic spectral vision. However, existing reconstruction methods, primarily image-based, suffer from two limitations: (i)…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Lijing Cai , Zhan Shi , Chenglong Huang , Jinyao Wu , Qiping Li , Zikang Huo , Linsen Chen , Chongde Zi , Xun Cao

Hyperspectral imaging provides detailed information about the scanned objects, as it captures their spectral characteristics within a large number of wavelength bands. Classification of such data has become an active research topic due to…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Jakub Nalepa , Lukasz Tulczyjew , Michal Myller , Michal Kawulok

Data augmentation is a popular pre-processing trick to improve generalization accuracy. It is believed that by processing augmented inputs in tandem with the original ones, the model learns a more robust set of features which are shared…

机器学习 · 计算机科学 2020-07-10 Vihari Piratla , Shiv Shankar

In this paper, we present an effective data augmentation framework leveraging the Large Language Model (LLM) and Diffusion Model (DM) to tackle the challenges inherent in data-scarce scenarios. Recently, DMs have opened up the possibility…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Kyuheon Jung , Yongdeuk Seo , Seongwoo Cho , Jaeyoung Kim , Hyun-seok Min , Sungchul Choi

Multi-source domain adaptation (MSDA) methods aim to transfer knowledge from multiple labeled source domains to an unlabeled target domain. Although current methods achieve target joint distribution identifiability by enforcing minimal…

机器学习 · 计算机科学 2023-12-15 Zijian Li , Ruichu Cai , Guangyi Chen , Boyang Sun , Zhifeng Hao , Kun Zhang

Domain generalisation (DG) methods address the problem of domain shift, when there is a mismatch between the distributions of training and target domains. Data augmentation approaches have emerged as a promising alternative for DG. However,…

机器学习 · 计算机科学 2020-12-29 Hoang Son Le , Rini Akmeliawati , Gustavo Carneiro

Data augmentation is widely known as a simple yet surprisingly effective technique for regularizing deep networks. Conventional data augmentation schemes, e.g., flipping, translation or rotation, are low-level, data-independent and…

计算机视觉与模式识别 · 计算机科学 2021-06-07 Yulin Wang , Gao Huang , Shiji Song , Xuran Pan , Yitong Xia , Cheng Wu

Deep learning approaches for semantic segmentation rely primarily on supervised learning approaches and require substantial efforts in producing pixel-level annotations. Further, such approaches may perform poorly when applied to unseen…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Hyperspectral images (HSIs) capture rich spectral signatures that reveal vital material properties, offering broad applicability across various domains. However, the scarcity of labeled HSI data limits the full potential of deep learning,…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Shaheer Mohamed , Tharindu Fernando , Sridha Sridharan , Peyman Moghadam , Clinton Fookes

We address hyperspectral image (HSI) synthesis, a problem that has garnered growing interest yet remains constrained by the conditional generative paradigms that limit sample diversity. While diffusion models have emerged as a…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Shiyu Shen , Bin Pan , Ziye Zhang , Zhenwei Shi

The scarcity of high-quality labeled data in sensor-based Human Activity Recognition (HAR) hinders model performance and limits generalization across real-world scenarios. Data augmentation is a key strategy to mitigate this issue by…

机器学习 · 计算机科学 2025-08-25 Nobuyuki Oishi , Philip Birch , Daniel Roggen , Paula Lago

Single Domain Generalization (SDG) tackles the problem of training a model on a single source domain so that it generalizes to any unseen target domain. While this has been well studied for image classification, the literature on SDG object…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Vidit Vidit , Martin Engilberge , Mathieu Salzmann

Data augmentation is a popular tool for single source domain generalization, which expands the source domain by generating simulated ones, improving generalization on unseen target domains. In this work, we show that the performance of such…

机器学习 · 计算机科学 2025-05-20 Dong Kyu Cho , Inwoo Hwang , Sanghack Lee

Deep neural networks face several challenges in hyperspectral image classification, including high-dimensional data, sparse distribution of ground objects, and spectral redundancy, which often lead to classification overfitting and limited…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Guandong Li , Mengxia Ye

The application of data augmentation for deep learning (DL) methods plays an important role in achieving state-of-the-art results in supervised, semi-supervised, and self-supervised image classification. In particular, channel…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Tom Burgert , Begüm Demir

Hyperspectral imaging provides detailed spectral information and holds significant potential for monitoring of greenhouse gases (GHGs). However, its application is constrained by limited spatial coverage and infrequent revisit times. In…

Denoising is a crucial step for hyperspectral image (HSI) applications. Though witnessing the great power of deep learning, existing HSI denoising methods suffer from limitations in capturing the non-local self-similarity. Transformers have…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Miaoyu Li , Ji Liu , Ying Fu , Yulun Zhang , Dejing Dou

Unsupervised domain adaptation (UDA) in 3D segmentation tasks presents a formidable challenge, primarily stemming from the sparse and unordered nature of point cloud data. Especially for LiDAR point clouds, the domain discrepancy becomes…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Xidong Peng , Runnan Chen , Feng Qiao , Lingdong Kong , Youquan Liu , Yujing Sun , Tai Wang , Xinge Zhu , Yuexin Ma

Semi-supervised domain adaptation (SSDA) aims to solve tasks in target domain by utilizing transferable information learned from the available source domain and a few labeled target data. However, source data is not always accessible in…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Xiaodong Wang , Junbao Zhuo , Shuhao Cui , Shuhui Wang

Unsupervised domain adaptation (UDA) and domain generalization (DG) enable machine learning models trained on a source domain to perform well on unlabeled or even unseen target domains. As previous UDA&DG semantic segmentation methods are…

计算机视觉与模式识别 · 计算机科学 2023-09-28 Lukas Hoyer , Dengxin Dai , Luc Van Gool