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相关论文: A cascaded dual-domain deep learning reconstructio…

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Dual-energy CT (DECT) has been widely investigated to generate more informative and more accurate images in the past decades. For example, Dual-Energy Alternating Minimization (DEAM) algorithm achieves sub-percentage uncertainty in…

图像与视频处理 · 电气工程与系统科学 2021-08-03 Tao Ge , Maria Medrano , Rui Liao , David G. Politte , Jeffrey F. Williamson , Joseph A. O'Sullivan

We propose a network for Congested Scene Recognition called CSRNet to provide a data-driven and deep learning method that can understand highly congested scenes and perform accurate count estimation as well as present high-quality density…

计算机视觉与模式识别 · 计算机科学 2018-04-12 Yuhong Li , Xiaofan Zhang , Deming Chen

Model based iterative reconstruction (MBIR) algorithms for low-dose X-ray CT are computationally complex because of the repeated use of the forward and backward projection. Inspired by this success of deep learning in computer vision…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Eunhee Kang , junhong Min , Jong Chul Ye

Recently, convolutional neural network (CNN) techniques have gained popularity as a tool for hyperspectral image classification (HSIC). To improve the feature extraction efficiency of HSIC under the condition of limited samples, the current…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Hongmin Gao , Zhonghao Chen , Chenming Li

In "extreme" computational imaging that collects extremely undersampled or noisy measurements, obtaining an accurate image within a reasonable computing time is challenging. Incorporating image mapping convolutional neural networks (CNN)…

机器学习 · 统计学 2023-08-31 Il Yong Chun , Jeffrey A. Fessler

Like in many other research fields, recent developments in computational imaging have focused on developing machine learning (ML) approaches to tackle its main challenges. To improve the performance of computational imaging algorithms,…

图像与视频处理 · 电气工程与系统科学 2024-08-16 Maximilian B. Kiss , Ander Biguri , Carola-Bibiane Schönlieb , K. Joost Batenburg , Felix Lucka

Convolutional neural network (CNN) has achieved impressive success in computer vision during the past few decades. The image convolution operation helps CNNs to get good performance on image-related tasks. However, the image convolution has…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Hengyue Pan , Yixin Chen , Xin Niu , Wenbo Zhou , Dongsheng Li

We propose a hybrid reconstruction framework for dual-spectral CT (DSCT) that integrates iterative methods with deep learning models. The reconstruction process consists of two complementary components: a knowledge-driven module and a…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Ze Yuan , Wenbin Li , Shusen Zhao

Numerous dual-energy CT (DECT) techniques have been developed in the past few decades. Dual-energy CT (DECT) statistical iterative reconstruction (SIR) has demonstrated its potential for reducing noise and increasing accuracy. Our lab…

图像与视频处理 · 电气工程与系统科学 2023-02-02 Tao Ge , Maria Medrano , Rui Liao , David G. Politte , Jeffrey F. Williamson , Bruce R. Whiting , Joseph A. O'Sullivan

Dual energy computed tomography (DECT) has become of particular interest in clinic recent years. The DECT scan comprises two images, corresponding to two photon attenuation coefficients maps of the objects. Meanwhile, the DECT images are…

医学物理 · 物理学 2017-11-21 Sui Li , Yongbo Wang , Yuting Liao , Ji He , Dong Zeng , Zhaoying Bian , Jianhua Ma

Deep Learning networks have established themselves as providing state of art performance for semantic segmentation. These techniques are widely applied specifically to medical detection, segmentation and classification. The advent of the…

图像与视频处理 · 电气工程与系统科学 2021-02-02 Kaushik Dutta

Sparse-view sampling in dual-energy computed tomography (DECT) significantly reduces radiation dose and increases imaging speed, yet is highly prone to artifacts. Although diffusion models have demonstrated potential in effectively handling…

图像与视频处理 · 电气工程与系统科学 2025-04-11 Zini Chen , Yao Xiao , Junyan Zhang , Shaoyu Wang , Liu Shi , Qiegen Liu

Contrast resolution beyond the limits of conventional cone-beam CT (CBCT) systems is essential to high-quality imaging of the brain. We present a deep learning reconstruction method (dubbed DL-Recon) that integrates physically principled…

Cone beam computed tomography (CBCT) is an emerging medical imaging technique to visualize the internal anatomical structures of patients. During a CBCT scan, several projection images of different angles or views are collectively utilized…

图像与视频处理 · 电气工程与系统科学 2024-01-18 Heejun Shin , Taehee Kim , Jongho Lee , Se Young Chun , Seungryung Cho , Dongmyung Shin

Segmentation of histological images is one of the most crucial tasks for many biomedical analyses including quantification of certain tissue type. However, challenges are posed by high variability and complexity of structural features in…

计算机视觉与模式识别 · 计算机科学 2020-07-30 Xiaohang Fu , Tong Liu , Zhaohan Xiong , Bruce H. Smaill , Martin K. Stiles , Jichao Zhao

Cone-beam computed tomography (CBCT) using only a few X-ray projection views enables faster scans with lower radiation dose, but the resulting severe under-sampling causes strong artifacts and poor spatial coverage. We address these…

图像与视频处理 · 电气工程与系统科学 2025-06-25 Minmin Yang , Huantao Ren , Senem Velipasalar

Three-dimensional coronary magnetic resonance angiography (CMRA) demands reconstruction algorithms that can significantly suppress the artifacts from a heavily undersampled acquisition. While unrolling-based deep reconstruction methods have…

图像与视频处理 · 电气工程与系统科学 2024-02-05 Zhihao Xue , Fan Yang , Juan Gao , Zhuo Chen , Hao Peng , Chao Zou , Hang Jin , Chenxi Hu

The sparse-views x-ray computed tomography (CT) is essential for medical diagnosis and industrial nondestructive testing. However, in particular, the reconstructed image usually suffers from complex artifacts and noise, when the sampling is…

医学物理 · 物理学 2019-10-08 Genwei Ma , Yining Zhu , Xing Zhao

We propose a dual pathway, 11-layers deep, three-dimensional Convolutional Neural Network for the challenging task of brain lesion segmentation. The devised architecture is the result of an in-depth analysis of the limitations of current…

Sparse-view Cone-Beam Computed Tomography reconstruction from limited X-ray projections remains a challenging problem in medical imaging due to the inherent undersampling of fine-grained anatomical details, which correspond to…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Cuong Tran Van , Trong-Thang Pham , Ngoc-Son Nguyen , Duy Minh Ho Nguyen , Ngan Le