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High angular resolution diffusion imaging (HARDI) demands a lager amount of data measurements compared to diffusion tensor imaging, restricting its use in practice. In this work, we explore a learning-based approach to reconstruct HARDI…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Shi Yin , Zhengqiang Zhang , Qinmu Peng , Xinge You

Deep Learning (DL) based Compressed Sensing (CS) has been applied for better performance of image reconstruction than traditional CS methods. However, most existing DL methods utilize the block-by-block measurement and each measurement…

图像与视频处理 · 电气工程与系统科学 2022-09-29 Zhifeng Wang , Zhenghui Wang , Chunyan Zeng , Yan Yu , Xiangkui Wan

Due to the limitations of hyperspectral imaging systems, hyperspectral imagery (HSI) often suffers from poor spatial resolution, thus hampering many applications of the imagery. Hyperspectral super-resolution refers to fusing HSI and MSI to…

图像与视频处理 · 电气工程与系统科学 2020-07-29 Ke Zheng , Lianru Gao , Wenzhi Liao , Danfeng Hong , Bing Zhang , Ximin Cui , Jocelyn Chanussot

To capture high-speed videos using a two-dimensional detector, video snapshot compressive imaging (SCI) is a promising system, where the video frames are coded by different masks and then compressed to a snapshot measurement. Following…

图像与视频处理 · 电气工程与系统科学 2021-03-03 Zhengjue Wang , Hao Zhang , Ziheng Cheng , Bo Chen , Xin Yuan

In this paper, we present a Hybrid Spectral Denoising Transformer (HSDT) for hyperspectral image denoising. Challenges in adapting transformer for HSI arise from the capabilities to tackle existing limitations of CNN-based methods in…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Zeqiang Lai , Chenggang Yan , Ying Fu

Coded aperture snapshot spectral imaging (CASSI) makes it possible to recover 3D hyperspectral data from a single 2D image. However, the reconstruction problem is severely underdetermined and efforts to improve the compression ratio…

光学 · 物理学 2022-08-03 Jiri Hlubucek , Jakub Lukes , Jan Vaclavik , Karel Zidek

In recent years, deep learning has presented a great advance in hyperspectral image (HSI) classification. Particularly, long short-term memory (LSTM), as a special deep learning structure, has shown great ability in modeling long-term…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Wen-Shuai Hu , Heng-Chao Li , Lei Pan , Wei Li , Ran Tao , Qian Du

High-dimensional hyperspectral imaging (HSI) enables the visualization of ultrafast molecular dynamics and complex, heterogeneous spectra. However, applying this capability to resolve spatially varying vibrational couplings in…

图像与视频处理 · 电气工程与系统科学 2026-04-09 Chi-Jui Ho , Harsh Bhakta , Wei Xiong , Nicholas Antipa

We present a novel adaptive machine-learning based approach for reconstructing three-dimensional (3D) crystals from coherent diffraction imaging (CDI). We represent the crystals using spherical harmonics (SH) and generate corresponding…

计算物理 · 物理学 2020-12-02 Alexander Scheinker , Reeju Pokharel

Hyperspectral images are of crucial importance in order to better understand features of different materials. To reach this goal, they leverage on a high number of spectral bands. However, this interesting characteristic is often paid by a…

图像与视频处理 · 电气工程与系统科学 2020-06-01 Jin-Fan Hu , Ting-Zhu Huang , Liang-Jian Deng , Tai-Xiang Jiang , Gemine Vivone , Jocelyn Chanussot

Since the number of incident energies is limited, it is difficult to directly acquire hyperspectral images (HSI) with high spatial resolution. Considering the high dimensionality and correlation of HSI, super-resolution (SR) of HSI remains…

计算机视觉与模式识别 · 计算机科学 2023-07-17 Tingting Liu , Yuan Liu , Chuncheng Zhang , Yuan Liyin , Xiubao Sui , Qian Chen

Convolutional neural networks (CNNs) achieved the state-of-the-art performance in medical image segmentation due to their ability to extract highly complex feature representations. However, it is argued in recent studies that traditional…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Zhendi Gong , Andrew P. French , Guoping Qiu , Xin Chen

Holographic displays have significant potential in virtual reality and augmented reality owing to their ability to provide all the depth cues. Deep learning-based methods play an important role in computer-generated holography (CGH). During…

光学 · 物理学 2025-11-11 Shuyang Xie , Jie Zhou , Bo Xu , Jun Wang , Renjing Xu

To solve the ill-posed problem of hyperspectral image super-resolution (HSISR), an usually method is to use the prior information of the hyperspectral images (HSIs) as a regularization term to constrain the objective function. Model-based…

图像与视频处理 · 电气工程与系统科学 2021-11-30 Qing Ma , Junjun Jiang , Xianming Liu , Jiayi Ma

Hyperspectral Image (HSI) classification using Convolutional Neural Networks (CNN) is widely found in the current literature. Approaches vary from using SVMs to 2D CNNs, 3D CNNs, 3D-2D CNNs. Besides 3D-2D CNNs and FuSENet, the other…

图像与视频处理 · 电气工程与系统科学 2021-04-02 Tanmay Chakraborty , Utkarsh Trehan

Deep convolutional neural networks (DCNN) have been widely adopted for research on super resolution recently, however previous work focused mainly on stacking as many layers as possible in their model, in this paper, we present a new…

计算机视觉与模式识别 · 计算机科学 2018-04-18 Yiwen Huang , Ming Qin

In Bragg Coherent Diffraction Imaging (BCDI), Phase Retrieval of highly strained crystals is often challenging with standard iterative algorithms. This computational obstacle limits the potential of the technique as it precludes the…

Hyperspectral images (HSIs) are susceptible to various noise factors leading to the loss of information, and the noise restricts the subsequent HSIs object detection and classification tasks. In recent years, learning-based methods have…

神经与进化计算 · 计算机科学 2020-08-18 Yuqiao Liu , Yanan Sun , Bing Xue , Mengjie Zhang

Snapshot compressive imaging (SCI) surges as a novel way of capturing hyperspectral images. It operates an optical encoder to compress the 3D data into a 2D measurement and adopts a software decoder for the signal reconstruction. Recently,…

图像与视频处理 · 电气工程与系统科学 2025-03-21 Jiamian Wang , Kunpeng Li , Yulun Zhang , Xin Yuan , Zhiqiang Tao

Undersampling the k-space data is widely adopted for acceleration of Magnetic Resonance Imaging (MRI). Current deep learning based approaches for supervised learning of MRI image reconstruction employ real-valued operations and…

计算机视觉与模式识别 · 计算机科学 2018-07-11 Muneer Ahmad Dedmari , Sailesh Conjeti , Santiago Estrada , Phillip Ehses , Tony Stöcker , Martin Reuter