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In MR fingerprinting (MRF) reconstruction, measured data is pattern-matched to simulated signals to extract quantitative tissue parameters. A critical drawback to this approach is the exponentially increasing compute time for mapping of…

医学物理 · 物理学 2024-07-17 Victoria Y. Yu , Kathryn R. Tringale , Ricardo Otazo , Ouri Cohen

In the field of quantitative imaging, the image information at a pixel or voxel in an underlying domain entails crucial information about the imaged matter. This is particularly important in medical imaging applications, such as…

Quantum Computing and especially Quantum Machine Learning, in a short period of time, has gained a lot of interest through research groups around the world. This can be seen in the increasing number of proposed models for pattern…

量子物理 · 物理学 2020-12-23 Héctor Iván García Hernández , Raymundo Torres Ruiz , Guo-Hua Sun

Quantitative Susceptibility Mapping (QSM) can estimate the underlying tissue magnetic susceptibility and reveal pathology. Current deep-learning-based approaches to solve the QSM inverse problem are restricted on fixed image resolution.…

医学物理 · 物理学 2019-08-02 Juan Liu , Kevin M. Koch

Quantitative T1rho mapping has shown promise in clinical and research studies. However, it suffers from long scan times. Deep learning-based techniques have been successfully applied in accelerated quantitative MR parameter mapping.…

图像与视频处理 · 电气工程与系统科学 2024-07-25 Yuanyuan Liu , Jinwen Xie , Zhuo-Xu Cui , Qingyong Zhu , Jing Cheng , Dong Liang , Yanjie Zhu

This work is concerned with the identifiability of metabolic parameters from multi-region measurement data in quantitative PET imaging. It shows that, for the frequently used two-tissue compartment model and under reasonable assumptions, it…

最优化与控制 · 数学 2023-05-29 Martin Holler , Erion Morina , Georg Schramm

MTV is increasingly recognized as an accurate estimate of disease burden, which has prognostic value, but its implementation has been hindered by the time-consuming need for manual segmentation of images. Automated quantitation using…

Image classification, a pivotal task in multiple industries, faces computational challenges due to the burgeoning volume of visual data. This research addresses these challenges by introducing two quantum machine learning models that…

Magnetic resonance Fingerprinting (MRF) is a relatively new multi-parametric quantitative imaging method that involves a two-step process: (i) reconstructing a series of time frames from highly-undersampled non-Cartesian spiral k-space data…

图像与视频处理 · 电气工程与系统科学 2021-07-20 Yilin Liu , Yong Chen , Pew-Thian Yap

We investigate pruning and quantization for deep neural networks. Our goal is to achieve extremely high sparsity for quantized networks to enable implementation on low cost and low power accelerator hardware. In a practical scenario, there…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Po-Hsiang Yu , Sih-Sian Wu , Jan P. Klopp , Liang-Gee Chen , Shao-Yi Chien

Recently, convolutional neural networks (CNN) have demonstrated impressive performance in various computer vision tasks. However, high performance hardware is typically indispensable for the application of CNN models due to the high…

计算机视觉与模式识别 · 计算机科学 2016-05-17 Jiaxiang Wu , Cong Leng , Yuhang Wang , Qinghao Hu , Jian Cheng

Magnetic resonance imaging (MRI) of thigh and calf muscles is one of the most effective techniques for estimating fat infiltration into muscular dystrophies. The infiltration of adipose tissue into the diseased muscle region varies in its…

图像与视频处理 · 电气工程与系统科学 2019-10-14 Rula Amer , Jannette Nassar , David Bendahan , Hayit Greenspan , Noam Ben-Eliezer

Determination of fundamental mechanisms of disease often hinges on histopathology visualization and quantitative image analysis. Currently, the analysis of multi-channel fluorescence tissue images is primarily achieved by manual…

Magnetic resonance (MR) image re-parameterization refers to the process of generating via simulations of an MR image with a new set of MRI scanning parameters. Different parameter values generate distinct contrast between different tissues,…

图像与视频处理 · 电气工程与系统科学 2024-04-15 Abhijeet Narang , Abhigyan Raj , Mihaela Pop , Mehran Ebrahimi

Full data acquisition in MRI is inherently slow, which limits clinical throughput and increases patient discomfort. Compressed Sensing MRI (CS-MRI) seeks to accelerate acquisition by reconstructing images from under-sampled k-space data,…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Lev Ayzenberg , Shady Abu-Hussein , Raja Giryes , Hayit Greenspan

We present a new method for quantum process tomography. The method enables us to efficiently estimate, with fixed precision, any of the parameters characterizing a quantum channel. It is selective since one can choose to estimate the value…

量子物理 · 物理学 2008-01-08 Ariel Bendersky , Fernando Pastawski , Juan Pablo Paz

Quantum Image Processing (QIP) is a field that aims to utilize the benefits of quantum computing for manipulating and analyzing images. However, QIP faces two challenges: the limitation of qubits and the presence of noise in a quantum…

量子物理 · 物理学 2024-09-27 Yifan Zhou , Yan Shing Liang

Long scan duration remains a challenge for high-resolution MRI. Deep learning has emerged as a powerful means for accelerated MRI reconstruction by providing data-driven regularizers that are directly learned from data. These data-driven…

图像与视频处理 · 电气工程与系统科学 2020-09-09 Seyed Amir Hossein Hosseini , Burhaneddin Yaman , Steen Moeller , Mehmet Akçakaya

Medical imaging, including MRI, CT, and Ultrasound, plays a vital role in clinical decisions. Accurate segmentation is essential to measure the structure of interest from the image. However, manual segmentation is highly operator-dependent,…

图像与视频处理 · 电气工程与系统科学 2022-07-07 Jaeik Jeon , Yeonggul Jang , Youngtaek Hong , Hackjoon Shim , Sekeun Kim

Based on the model's resilience to computational noise, model quantization is important for compressing models and improving computing speed. Existing quantization techniques rely heavily on experience and "fine-tuning" skills. In the…

机器学习 · 计算机科学 2022-07-22 Daning Cheng , Wenguang Chen