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Generative diffusion models have achieved remarkable success in producing high-quality images. However, these models typically operate in continuous intensity spaces, diffusing independently across pixels and color channels. As a result,…

图形学 · 计算机科学 2025-05-20 Javier E. Santos , Agnese Marcato , Roman Colman , Nicholas Lubbers , Yen Ting Lin

High-Intensity Focused Ultrasound (HIFU) is a non-invasive therapy, yet its safety is often degraded by severe acoustic interference during continuous ultrasound guidance. Conventional HIFU interference suppression methods heavily rely on…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Dejia Cai , Ali Abdollahi , Xi Wang , Kun Yang , Zhaohui Guo , Xiaowei Zhou , Hao Chen

High-spatial-resolution hyperspectral images (HSI) are essential for applications such as remote sensing and medical imaging, yet HSI sensors inherently trade spatial detail for spectral richness. Fusing high-spatial-resolution…

图像与视频处理 · 电气工程与系统科学 2026-05-22 Ritik Shah , Marco F. Duarte

Few-shot Whole Slide Image (WSI) classification is severely hampered by overfitting. We argue that this is not merely a data-scarcity issue but a fundamentally geometric problem. Grounded in the manifold hypothesis, our analysis shows that…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Conghao Xiong , Zhengrui Guo , Zhe Xu , Yifei Zhang , Raymond Kai-Yu Tong , Si Yong Yeo , Hao Chen , Joseph J. Y. Sung , Irwin King

Hyperspectral image (HSI) classification is a hot topic in the remote sensing community. This paper proposes a new framework of spectral-spatial feature extraction for HSI classification, in which for the first time the concept of deep…

计算机视觉与模式识别 · 计算机科学 2015-11-11 Zhouhan Lin , Yushi Chen , Xing Zhao , Gang Wang

3D reconstruction techniques such as LiDAR scanning and photogrammetry have made it practical to build detailed geometric models of real-world environments. Such reconstructed models can potentially serve as the foundation for wireless…

网络与互联网体系结构 · 计算机科学 2026-05-27 Haofan Lu , Yadi Cao , Wanghao Yi , Omid Abari

The fusion of a low-spatial-resolution hyperspectral image (LR-HSI) with a high-spatial-resolution multispectral image (HR-MSI) has garnered increasing research interest. However, most fusion methods solely focus on the fusion algorithm…

图像与视频处理 · 电气工程与系统科学 2024-02-07 Jie Lian , Lizhi Wang , Lin Zhu , Renwei Dian , Zhiwei Xiong , Hua Huang

Generative models are increasingly used to augment medical imaging datasets for fairer AI. Yet a key assumption often goes unexamined: that generators themselves produce equally high-quality images across demographic groups. Models trained…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Mahmoud Ibrahim , Bart Elen , Chang Sun , Gokhan Ertaylan , Michel Dumontier

Haze contamination in hyperspectral remote sensing images (HSI) can lead to spatial visibility degradation and spectral distortion. Haze in HSI exhibits spatial irregularity and inhomogeneous spectral distribution, with few dehazing…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Hang Fu , Genyun Sun , Yinhe Li , Jinchang Ren , Aizhu Zhang , Cheng Jing , Pedram Ghamisi

Diffusion models have achieved impressive performance on multi-focus image fusion (MFIF). However, a key challenge in applying diffusion models to the ill-posed MFIF problem is that defocus blur can make common symmetric geometric…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Bo Li , Tingting Bao , Lingling Zhang , Weiping Fu , Yaxian Wang , Jun Liu

With the development of deep learning, the performance of hyperspectral image (HSI) classification has been greatly improved in recent years. The shortage of training samples has become a bottleneck for further improvement of performance.…

计算机视觉与模式识别 · 计算机科学 2018-03-01 Yanan Luo , Jie Zou , Chengfei Yao , Tao Li , Gang Bai

Obtaining pixel-level annotations in the medical domain is both expensive and time-consuming, often requiring close collaboration between clinical experts and developers. Semi-supervised medical image segmentation aims to leverage limited…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Lin Xi , Yingliang Ma , Cheng Wang , Sandra Howell , Aldo Rinaldi , Kawal S. Rhode

An unsupervised framework for hyperspectral image (HSI) clustering is proposed that incorporates masked deep representation learning with diffusion-based clustering, extending the Spatially-Regularized Superpixel-based Diffusion Learning…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Vutichart Buranasiri , James M. Murphy

The rapid development of deep learning provides a better solution for the end-to-end reconstruction of hyperspectral image (HSI). However, existing learning-based methods have two major defects. Firstly, networks with self-attention usually…

图像与视频处理 · 电气工程与系统科学 2022-06-17 Xiaowan Hu , Yuanhao Cai , Jing Lin , Haoqian Wang , Xin Yuan , Yulun Zhang , Radu Timofte , Luc Van Gool

Deep learning (DL) based hyperspectral images (HSIs) denoising approaches directly learn the nonlinear mapping between observed noisy images and underlying clean images. They normally do not consider the physical characteristics of HSIs,…

图像与视频处理 · 电气工程与系统科学 2021-11-16 Fengchao Xiong , Shuyin Tao , Jun Zhou , Jianfeng Lu , Jiantao Zhou , Yuntao Qian

High-dimensional and complex spectral structures make clustering of hy-perspectral images (HSI) a challenging task. Subspace clustering has been shown to be an effective approach for addressing this problem. However, current subspace…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Xianju Li , Renxiang Guan , Zihao Li , Hao Liu , Jing Yang

Diffusion Probabilistic Models have recently shown remarkable performance in generative image modeling, attracting significant attention in the computer vision community. However, while a substantial amount of diffusion-based research has…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Yijun Yang , Huazhu Fu , Angelica I. Aviles-Rivero , Carola-Bibiane Schönlieb , Lei Zhu

Convolutional neural networks (CNNs) are effective for hyperspectral image (HSI) classification, but their 3D convolutional structures introduce high computational costs and limited generalization in few-shot scenarios. Domain shifts caused…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Anyong Qin , Chaoqi Yuan , Qiang Li , Feng Yang , Tiecheng Song , Chenqiang Gao

In many real-world regression tasks, the data distribution is heavily skewed, and models learn predominantly from abundant majority samples while failing to predict minority labels accurately. While imbalanced classification has been…

机器学习 · 计算机科学 2025-09-30 Shayan Alahyari

In many computer vision applications, obtaining images of high resolution in both the spatial and spectral domains are equally important. However, due to hardware limitations, one can only expect to acquire images of high resolution in…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Ying Qu , Hairong Qi , Chiman Kwan
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