中文
相关论文

相关论文: Improving Fiber Alignment in HARDI by Combining Co…

200 篇论文

This work proposes an innovative approach to improve Bragg coherent diffraction imaging (BCDI) microscopy applied to time evolving crystals and/or non-homogeneous crystalline strain fields, identified as two major limitations of BCDI…

光学 · 物理学 2024-03-12 I. Calvo-Almazán , V. Chamard , T. Grünewald , M. Allain

Diffusion MRI (dMRI) tractography is currently the only method for in vivo mapping of the brain's white matter (WM) connections. Tractometry is an advanced tractography analysis technique for along-tract profiling to investigate the…

Magnetic resonance imaging (MRI) and positron emission tomography (PET) are increasingly used in multimodal analysis of neurodegenerative disorders. While MRI is broadly utilized in clinical settings, PET is less accessible. Many studies…

图像与视频处理 · 电气工程与系统科学 2024-11-13 Minhui Yu , Mengqi Wu , Ling Yue , Andrea Bozoki , Mingxia Liu

This work proposes an evolutionary computing-based image segmentation approach for analyzing soundness in Additive Friction Stir Deposition (AFSD) processes. Particle Swarm Optimization (PSO) was employed to determine optimal segmentation…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Akshansh Mishra , Eyob Mesele Sefene , Shivraman Thapliyal

Fiber tractography is a cornerstone of neuroimaging, enabling the detailed mapping of the brain's white matter pathways through diffusion MRI. This is crucial for understanding brain connectivity and function, making it a valuable tool in…

Monocular Depth Estimation (MDE) is a fundamental computer vision task with important applications in 3D vision. The current mainstream MDE methods employ an encoder-decoder architecture with multi-level/scale feature processing. However,…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Huibin Bai , Shuai Li , Hanxiao Zhai , Yanbo Gao , Chong Lv , Yibo Wang , Haipeng Ping , Wei Hua , Xingyu Gao

Hyperspectral image (HSI) fusion aims to reconstruct a high-resolution HSI (HR-HSI) by combining the rich spectral information of a low-resolution HSI (LR-HSI) with the fine spatial details of a high-resolution multispectral image (HR-MSI).…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Chia-Ming Lee , Yu-Hao Ho , Yu-Fan Lin , Jen-Wei Lee , Li-Wei Kang , Chih-Chung Hsu

Fiber optics is one of the highest bandwidth communication channel types in the current communication industry. The paper is to analyze a typical optical channel and perform channel equalization using an adaptive modified DFE with Activity…

其他计算机科学 · 计算机科学 2010-03-30 Tarek Hasan-Al-Mahmud , M. Mahbubur Rahman , Sumon Kumar Debnath

Streamline classification is essential to identify anatomically meaningful white matter tracts from diffusion MRI (dMRI) tractography. However, current streamline classification methods rely primarily on the geometric features of the…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Haotian Yan , Bocheng Guo , Jianzhong He , Nir A. Sochen , Ofer Pasternak , Lauren J O'Donnell , Fan Zhang

Product codes (PCs) and staircase codes (SCCs) are conventionally decoded based on bounded distance decoding (BDD) of the component codes and iterating between row and column decoders. The performance of iterative BDD (iBDD) can be improved…

信息论 · 计算机科学 2021-09-08 Alireza Sheikh , Alexandre Graell i Amat , Alex Alvarado

Spherical harmonics are a favorable technique for 3D representation, employing a frequency-based approach through the spherical harmonic transform (SHT). Typically, SHT is performed using equiangular sampling grids. However, these grids are…

图形学 · 计算机科学 2025-02-28 Zikuan Li , Anyi Huang , Wenru Jia , Qiaoyun Wu , Mingqiang Wei , Jun Wang

Compared with conventional image and video, light field images introduce the weight channel, as well as the visual consistency of rendered view, information that has to be taken into account when compressing the pseudo-temporal-sequence…

多媒体 · 计算机科学 2018-07-30 Bichuan Guo , Yuxing Han , Jiangtao Wen

We propose a PDE-constrained shape registration algorithm that captures the deformation and growth of biological tissue from imaging data. Shape registration is the process of evaluating optimum alignment between pairs of geometries through…

生物物理 · 物理学 2022-04-07 Aishwarya Pawar , Linlin Li , Arun K Gosain , David M Umulis , Adrian B Tepole

We extend Regularised Diffusion-Shock (RDS) filtering from Euclidean space $\mathbb{R}_2$ [1] to position-orientation space $\mathbb{M}_2 \cong \mathbb{R}^2 \times S^1$. This has numerous advantages, e.g. making it possible to enhance and…

微分几何 · 数学 2026-03-20 Finn M. Sherry , Kristina Schaefer , Remco Duits

Diffusion Tensor Imaging (DTI) allows estimating the position, orientation and dimension of bundles of nerve pathways. This non-invasive imaging technique takes advantage of the diffusion of water molecules and determines the diffusion…

计算机视觉与模式识别 · 计算机科学 2011-03-09 Miriam H. A. Bauer , Jan Egger , Daniela Kuhnt , Sebastiano Barbieri , Jan Klein , Horst K. Hahn , Bernd Freisleben , Christopher Nimsky

To better address challenging issues of the irregularity and inhomogeneity inherently present in 3D point clouds, researchers have been shifting their focus from the design of hand-craft point feature towards the learning of 3D point…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Xiang Li , Mingyang Wang , Congcong Wen , Lingjing Wang , Nan Zhou , Yi Fang

Current optical coherent transponders technology is driving data rates towards 1 Tb/s/{\lambda}and beyond. This trend requires both high-performance coded modulation schemes and efficient implementation of the forward-error-correction (FEC)…

信号处理 · 电气工程与系统科学 2020-07-15 Gabriele Liga , Bin Chen , Sjoerd van der Heide , Alireza Sheikh , Menno van der Hout , Chigo Okonkwo , Alex Alvarado

Diffusion-based sparse-view CT (SVCT) imaging has achieved remarkable advancements in recent years, thanks to its more stable generative capability. However, recovering reliable image content and visually consistent textures is still a…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Tianqi Wang , Wenchao Du , Hongyu Yang

In fiber-based spectroscopy within telescopes, a prevailing limitation has been the necessity to align the fiber diameter with the telescope's seeing conditions, often characterized by the Full Width at Half Maximum of the point spread…

天体物理仪器与方法 · 物理学 2024-06-25 Nitish Singh , S. Sriram , Bharat Kumar Yerra , Prasanna G. Deshmukh

Axons in white matter have been shown to have varying geometries within a bundle using ex vivo imaging techniques, but what does this mean for diffusion MRI (dMRI) based spherical deconvolution (SD)? SD attempts to estimate the fibre…

医学物理 · 物理学 2022-03-04 Ross Callaghan , Daniel C. Alexander , Marco Palombo , Hui Zhang