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This paper addresses the challenge of spectral-spatial feature extraction for hyperspectral image classification by introducing a novel tensor-based framework. The proposed approach incorporates circular convolution into a tensor structure…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Yuemei Ren , Liang Liao , Stephen John Maybank , Yanning Zhang , Xin Liu

Dual energy computed tomography (DECT) imaging plays an important role in advanced imaging applications due to its material decomposition capability. Image-domain decomposition operates directly on CT images using linear matrix inversion,…

图像与视频处理 · 电气工程与系统科学 2019-08-20 Zhipeng Li , Saiprasad Ravishankar , Yong Long , Jeffrey A. Fessler

Image decomposition is a crucial subject in the field of image processing. It can extract salient features from the source image. We propose a new image decomposition method based on convolutional neural network. This method can be applied…

计算机视觉与模式识别 · 计算机科学 2022-08-04 Yu Fu , Xiao-Jun Wu , Josef Kittler

In remote sensing, image fusion technique is a useful tool used to fuse high spatial resolution panchromatic images (PAN) with lower spatial resolution multispectral images (MS) to create a high spatial resolution multispectral of image…

计算机视觉与模式识别 · 计算机科学 2012-09-18 Firouz Abdullah Al-Wassai , N. V. Kalyankar , Ali A. Al-Zuky

Intelligent analysis of medical imaging plays a crucial role in assisting clinical diagnosis. However, achieving efficient and high-accuracy image classification in resource-constrained computational environments remains challenging. This…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Jingsong Xia , Yue Yin , Xiuhan Li

Medical imaging faces challenges such as limited spatial resolution, interference from electronic noise and poor contrast-to-noise ratios. Photon Counting Computed Tomography (PCCT) has emerged as a solution, addressing these issues with…

图像与视频处理 · 电气工程与系统科学 2024-02-08 Ana Carolina Alves , André Ferreira , Gijs Luijten , Jens Kleesiek , Behrus Puladi , Jan Egger , Victor Alves

Effective understanding of a disease such as cancer requires fusing multiple sources of information captured across physical scales by multimodal data. In this work, we propose a novel feature embedding module that derives from canonical…

机器学习 · 计算机科学 2021-03-10 Vaishnavi Subramanian , Tanveer Syeda-Mahmood , Minh N. Do

Discovering components that are shared in multiple datasets, next to dataset-specific features, has great potential for studying the relationships between different subjects or tasks in functional Magnetic Resonance Imaging (fMRI) data.…

Image fusion is a crucial technique in the field of computer vision, and its goal is to generate high-quality fused images and improve the performance of downstream tasks. However, existing fusion methods struggle to balance these two…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Hui Li , Congcong Bian , Zeyang Zhang , Xiaoning Song , Xi Li , Xiao-Jun Wu

Chest X-ray imaging is a critical diagnostic tool for identifying pulmonary diseases. However, manual interpretation of these images is time-consuming and error-prone. Automated systems utilizing convolutional neural networks (CNNs) have…

图像与视频处理 · 电气工程与系统科学 2025-11-25 Saurabh Agarwal , K. V. Arya , Yogesh Kumar Meena

Multimodal medical images play a crucial role in the precise and comprehensive clinical diagnosis. Diffusion model is a powerful strategy to synthesize the required medical images. However, existing approaches still suffer from the problem…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Jiahua Xu , Dawei Zhou , Lei Hu , Zaiyi Liu , Nannan Wang , Xinbo Gao

Multimodal medical image fusion facilitates comprehensive diagnosis by aggregating complementary structural and functional information, but its effectiveness is limited by resolution degradation and modality discrepancies. Existing…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Fayaz Ali Dharejo , Sharif S. M. A. , Aiman Khalil , Nachiket Chaudhary , Rizwan Ali Naqvi , Radu Timofte

Ptychography is a popular imaging technique that combines diffractive imaging with scanning microscopy. The technique consists of a coherent beam that is scanned across an object in a series of overlapping positions, leading to reliable and…

数值分析 · 数学 2024-08-08 Ricardo Parada , Samy Wu Fung , Stanley Osher

Recent advancements in deep learning for medical image segmentation are often limited by the scarcity of high-quality training data.While diffusion models provide a potential solution by generating synthetic images, their effectiveness in…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Jianhao Xie , Ziang Zhang , Zhenyu Weng , Yuesheng Zhu , Guibo Luo

A computationally-simplified and descriptor-richer Point Cloud Quality Assessment (PCQA) metric, namely PointPCA+, is proposed in this paper, which is an extension of PointPCA. PointPCA proposed a set of perceptually-relevant descriptors…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Xuemei Zhou , Evangelos Alexiou , Irene Viola , Pablo Cesar

PCA is widely used in health and care research to analyze complex HD datasets, such as patient health records, genetic data, and medical imaging. By reducing dimensionality, PCA helps identify key patterns and trends, which can aid in…

统计方法学 · 统计学 2025-04-01 Nuwan Weeraratne , Lyn Hunt , Jason Kurz

In machine learning, the process of feature selection involves finding a reduced subset of features that captures most of the information required to train an accurate and efficient model. This work presents FeatureCuts, a novel feature…

机器学习 · 计算机科学 2025-08-05 Andy Hu , Devika Prasad , Luiz Pizzato , Nicholas Foord , Arman Abrahamyan , Anna Leontjeva , Cooper Doyle , Dan Jermyn

High-efficient image compression is a critical requirement. In several scenarios where multiple modalities of data are captured by different sensors, the auxiliary information from other modalities are not fully leveraged by existing…

图像与视频处理 · 电气工程与系统科学 2024-12-17 Ziqun Li , Qi Zhang , Xiaofeng Huang , Zhao Wang , Siwei Ma , Wei Yan

Deep learning-based image fusion approaches have obtained wide attention in recent years, achieving promising performance in terms of visual perception. However, the fusion module in the current deep learning-based methods suffers from two…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Dongyu Rao , Xiao-Jun Wu , Tianyang Xu , Guoyang Chen

Spectral compressive imaging (SCI) is able to encode the high-dimensional hyperspectral image to a 2D measurement, and then uses algorithms to reconstruct the spatio-spectral data-cube. At present, the main bottleneck of SCI is the…

图像与视频处理 · 电气工程与系统科学 2023-07-04 Lishun Wang , Zongliang Wu , Yong Zhong , Xin Yuan