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相关论文: Virtual PET Images from CT Data Using Deep Convolu…

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Deep convolutional neural networks (DCNN) have demonstrated its capability to convert MR image to pseudo CT for PET attenuation correction in PET/MRI. Conventionally, attenuated events are corrected in sinogram space using attenuation maps…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Jaewon Yang , Dookun Park , Jae Ho Sohn , Zhen Jane Wang , Grant T. Gullberg , Youngho Seo

Advance in medical imaging is an important part in deep learning research. One of the goals of computer vision is development of a holistic, comprehensive model which can identify tumors from histology slides obtained via biopsies. A major…

图像与视频处理 · 电气工程与系统科学 2024-12-18 Vidit Gautam

Tumor volume and changes in tumor characteristics over time are important biomarkers for cancer therapy. In this context, FDG-PET/CT scans are routinely used for staging and re-staging of cancer, as the radiolabeled fluorodeoxyglucose is…

We propose a novel method that trains a conditional Generative Adversarial Network (GAN) to generate visual interpretations of a Convolutional Neural Network (CNN). To comprehend a CNN, the GAN is trained with information on how the CNN…

计算机视觉与模式识别 · 计算机科学 2023-11-10 R T Akash Guna , Raul Benitez , O K Sikha

PET image reconstruction is challenging due to the ill-poseness of the inverse problem and limited number of detected photons. Recently deep neural networks have been widely and successfully used in computer vision tasks and attracted…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Kuang Gong , Jiahui Guan , Kyungsang Kim , Xuezhu Zhang , Georges El Fakhri , Jinyi Qi , Quanzheng Li

Transfer learning is widely used for training machine learning models. Here, we study the role of transfer learning for training fully convolutional networks (FCNs) for medical image segmentation. Our experiments show that although transfer…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Davood Karimi , Simon K. Warfield , Ali Gholipour

This study explores the application of deep learning techniques in the automated detection and segmentation of brain tumors from MRI scans. We employ several machine learning models, including basic logistic regression, Convolutional Neural…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Jack Krolik , Jake Lynn , John Henry Rudden , Dmytro Vremenko

PET imaging is widely employed for observing biological metabolic activities within the human body. However, numerous benign conditions can cause increased uptake of radiopharmaceuticals, confounding differentiation from malignant tumors.…

图像与视频处理 · 电气工程与系统科学 2024-10-31 Ran Hong , Yuxia Huang , Lei Liu , Zhonghui Wu , Bingxuan Li , Xuemei Wang , Qiegen Liu

Recent progress in automated PET/CT lesion segmentation using deep learning methods has demonstrated the feasibility of this task. However, tumor lesion detection and segmentation in whole-body PET/CT is still a chal-lenging task. To…

图像与视频处理 · 电气工程与系统科学 2023-02-27 Satoshi Kondo , Satoshi Kasai

With pervasive applications of medical imaging in health-care, biomedical image segmentation plays a central role in quantitative analysis, clinical diagno- sis, and medical intervention. Since manual anno- tation su ers limited…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Xiaowei Xu , Qing Lu , Yu Hu , Lin Yang , Sharon Hu , Danny Chen , Yiyu Shi

The Convolutional Neural Network (CNN) has achieved great success in image classification. The classification model can also be utilized at image or patch level for many other applications, such as object detection and segmentation. In this…

计算机视觉与模式识别 · 计算机科学 2014-12-23 Jun Yuan , Bingbing Ni , Ashraf A. Kassim

We introduce a new computer aided detection and diagnosis system for lung cancer screening with low-dose CT scans that produces meaningful probability assessments. Our system is based entirely on 3D convolutional neural networks and…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Onur Ozdemir , Rebecca L. Russell , Andrew A. Berlin

Automated medical image analysis has a significant value in diagnosis and treatment of lesions. Brain tumors segmentation has a special importance and difficulty due to the difference in appearances and shapes of the different tumor regions…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Mina Rezaei , Konstantin Harmuth , Willi Gierke , Thomas Kellermeier , Martin Fischer , Haojin Yang , Christoph Meinel

The work presented in this paper is to propose a reliable high-quality system of Convolutional Neural Network (CNN) for brain tumor segmentation with a low computation requirement. The system consists of a CNN for the main processing for…

图像与视频处理 · 电气工程与系统科学 2023-08-15 Yanming Sun , Chunyan Wang

The use of accurate scanning transmission electron microscopy (STEM) image simulation methods require large computation times that can make their use infeasible for the simulation of many images. Other simulation methods based on linear…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Nick Lawrence , Mingren Shen , Ruiqi Yin , Cloris Feng , Dane Morgan

Background and Purpose: Convolutional neural network is widely used for image recognition in the medical area at nowadays. However, overall accuracy in predicting lung tumor is low and the processing time is high as the error occurred while…

图像与视频处理 · 电气工程与系统科学 2022-08-15 Bhoj Raj Pandit , Abeer Alsadoon , P. W. C. Prasad , Sarmad Al Aloussi , Tarik A. Rashid , Omar Hisham Alsadoon , Oday D. Jerew

Due to memory constraints on current hardware, most convolution neural networks (CNN) are trained on sub-megapixel images. For example, most popular datasets in computer vision contain images much less than a megapixel in size (0.09MP for…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Hans Pinckaers , Bram van Ginneken , Geert Litjens

Accurate classification of brain tumors from MRI scans is critical for effective treatment planning. This study presents a Hybrid Quantum Convolutional Neural Network (HQCNN) that integrates quantum feature-encoding circuits with depth-wise…

图像与视频处理 · 电气工程与系统科学 2025-05-27 Muhammad Al-Zafar Khan , Abdullah Al Omar Galib , Nouhaila Innan , Mohamed Bennai

To correct for respiratory motion in PET imaging, an interpretable and unsupervised deep learning technique, FlowNet-PET, was constructed. The network was trained to predict the optical flow between two PET frames from different breathing…

图像与视频处理 · 电气工程与系统科学 2022-08-04 Teaghan O'Briain , Carlos Uribe , Kwang Moo Yi , Jonas Teuwen , Ioannis Sechopoulos , Magdalena Bazalova-Carter

Accurate lesion segmentation in whole-body PET/CT scans is crucial for cancer diagnosis and treatment planning, but limited datasets often hinder the performance of automated segmentation models. In this paper, we explore the potential of…

图像与视频处理 · 电气工程与系统科学 2024-09-13 Lap Yan Lennon Chan , Chenxin Li , Yixuan Yuan