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Hyperspectral image has become increasingly crucial due to its abundant spectral information. However, It has poor spatial resolution with the limitation of the current imaging mechanism. Nowadays, many convolutional neural networks have…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Jin-Fan Hu , Ting-Zhu Huang , Liang-Jian Deng

Most approaches for semantic segmentation use only information from color cameras to parse the scenes, yet recent advancements show that using depth data allows to further improve performances. In this work, we focus on transformer-based…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Francesco Barbato , Giulia Rizzoli , Pietro Zanuttigh

Hyperspectral unmixing is aimed at identifying the reference spectral signatures composing an hyperspectral image and their relative abundance fractions in each pixel. In practice, the identified signatures may vary spectrally from an image…

数据分析、统计与概率 · 物理学 2016-08-24 Pierre-Antoine Thouvenin , Nicolas Dobigeon , Jean-Yves Tourneret

Understanding urban environment change is essential for sustainable development. However, current approaches, particularly remote sensing change detection, often rely on rigid, single-modal analysis. To overcome these limitations, we…

人工智能 · 计算机科学 2026-05-26 Zixuan Xiao , Jun Ma , Siwei Zhang

Multi-modal image fusion aims to integrate complementary information from multiple source images to produce high-quality fused images with enriched content. Although existing approaches based on state space model have achieved satisfied…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Yiming Sun , Zifan Ye , Qinghua Hu , Pengfei Zhu

Transformer-based methods have achieved impressive results in time series forecasting. However, existing Transformers still exhibit limitations in sequence modeling as they tend to overemphasize temporal dependencies. This incurs additional…

机器学习 · 计算机科学 2025-12-16 Tan Wang , Yun Wei Dong , Qi Wang

Given a mixed hyperspectral data set, linear unmixing aims at estimating the reference spectral signatures composing the data - referred to as endmembers - their abundance fractions and their number. In practice, the identified endmembers…

统计方法学 · 统计学 2016-01-20 Pierre-Antoine Thouvenin , Nicolas Dobigeon , Jean-Yves Tourneret

Video understanding requires reasoning at multiple spatiotemporal resolutions -- from short fine-grained motions to events taking place over longer durations. Although transformer architectures have recently advanced the state-of-the-art,…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Shen Yan , Xuehan Xiong , Anurag Arnab , Zhichao Lu , Mi Zhang , Chen Sun , Cordelia Schmid

Due to the distinctive characteristics of sensors, each modality exhibits unique physical properties. For this reason, in the context of multi-modal action recognition, it is important to consider not only the overall action content but…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Sumin Lee , Sangmin Woo , Muhammad Adi Nugroho , Changick Kim

This paper presents an unsupervised transformer-based framework for temporal activity segmentation which leverages not only frame-level cues but also segment-level cues. This is in contrast with previous methods which often rely on…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Quoc-Huy Tran , Ahmed Mehmood , Muhammad Ahmed , Muhammad Naufil , Anas Zafar , Andrey Konin , M. Zeeshan Zia

To properly assist humans in their needs, human activity recognition (HAR) systems need the ability to fuse information from multiple modalities. Our hypothesis is that multimodal sensors, visual and non-visual tend to provide complementary…

计算机视觉与模式识别 · 计算机科学 2022-11-09 Hyeongju Choi , Apoorva Beedu , Harish Haresamudram , Irfan Essa

Due to adverse atmospheric and imaging conditions, natural images suffer from various degradation phenomena. Consequently, image restoration has emerged as a key solution and garnered substantial attention. Although recent Transformer…

图像与视频处理 · 电气工程与系统科学 2025-05-12 Xingyu Jiang , Ning Gao , Xiuhui Zhang , Hongkun Dou , Shaowen Fu , Xiaoqing Zhong , Hongjue Li , Yue Deng

Recently, text-to-image generation models have achieved remarkable advancements, particularly with diffusion models facilitating high-quality image synthesis from textual descriptions. However, these models often struggle with achieving…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Lunhao Duan , Shanshan Zhao , Wenjun Yan , Yinglun Li , Qing-Guo Chen , Zhao Xu , Weihua Luo , Kaifu Zhang , Mingming Gong , Gui-Song Xia

Recent progress in multimodal generation has increasingly combined autoregressive (AR) and diffusion-based approaches, leveraging their complementary strengths: AR models capture long-range dependencies and produce fluent, context-aware…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Junhao Chen , Yulia Tsvetkov , Xiaochuang Han

Mesh denoising, aimed at removing noise from input meshes while preserving their feature structures, is a practical yet challenging task. Despite the remarkable progress in learning-based mesh denoising methodologies in recent years, their…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Wenbo Zhao , Xianming Liu , Deming Zhai , Junjun Jiang , Xiangyang Ji

Pansharpening aims to generate high-resolution multispectral (HRMS) images by fusing low-resolution multispectral (LRMS) images with high-resolution panchromatic (PAN) images. However, the current mainstream frequency-based pansharpening…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Zijian Zhou , Jianing Zhang , Kai Sun , Xiangyu Zhao , Chunxia Zhang , Xiangyong Cao

We abstract the features (i.e. learned representations) of multi-modal data into 1) uni-modal features, which can be learned from uni-modal training, and 2) paired features, which can only be learned from cross-modal interactions.…

计算机视觉与模式识别 · 计算机科学 2023-06-26 Chenzhuang Du , Jiaye Teng , Tingle Li , Yichen Liu , Tianyuan Yuan , Yue Wang , Yang Yuan , Hang Zhao

Binary change detection in bi-temporal co-registered hyperspectral images is a challenging task due to a large number of spectral bands present in the data. Researchers, therefore, try to handle it by reducing dimensions. The proposed work…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Debasrita Chakraborty , Ashish Ghosh

Multispectral unmixing (MU) is critical due to the inevitable mixed pixel phenomenon caused by the limited spatial resolution of typical multispectral images in remote sensing. However, MU mathematically corresponds to the underdetermined…

图像与视频处理 · 电气工程与系统科学 2025-02-04 Chia-Hsiang Lin , Jhao-Ting Lin

Transformer models rely on self-attention to capture token dependencies but face challenges in effectively integrating positional information while allowing multi-head attention (MHA) flexibility. Prior methods often model semantic and…

机器学习 · 计算机科学 2025-05-28 Jintian Shao , Hongyi Huang , Jiayi Wu , Beiwen Zhang , ZhiYu Wu , You Shan , MingKai Zheng