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Breast cancer is the second leading cause of cancer death among women worldwide. Nevertheless, it is also one of the most treatable malignances if detected early. Screening for breast cancer with digital mammography (DM) has been widely…

计算机视觉与模式识别 · 计算机科学 2018-10-29 Fei Gao , Teresa Wu , Jing Li , Bin Zheng , Lingxiang Ruan , Desheng Shang , Bhavika Patel

Breast cancer is the most frequently diagnosed human cancer in the United States at present. Early detection is crucial for its successful treatment. X-ray mammography and digital breast tomosynthesis are currently the main methods for…

Conventional Fourier-domain Optical Coherence Tomography (FD-OCT) systems depend on resampling into wavenumber (k) domain to extract the depth profile. This either necessitates additional hardware resources or amplifies the existing…

光学 · 物理学 2025-09-24 Maryam Viqar , Erdem Sahin , Elena Stoykova , Violeta Madjarova

Breast tumor segmentation is a critical task in computer-aided diagnosis (CAD) systems for breast cancer detection because accurate tumor size, shape and location are important for further tumor quantification and classification. However,…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Bryar Shareef , Alex Vakanski , Min Xian , Phoebe E. Freer

Spectral computed tomography (CT) is an emerging technology capable of providing high chemical specificity, which is crucial for many applications such as detecting threats in luggage. This type of application requires both fast and…

图像与视频处理 · 电气工程与系统科学 2021-03-30 Wail Mustafa , Christian Kehl , Ulrik Lund Olsen , Søren Kimmer Schou Gregersen , David Malmgren-Hansen , Jan Kehres , Anders Bjorholm Dahl

Background: Limited-angle (LA) dual-energy (DE) cone-beam CT (CBCT) is considered as a potential solution to achieve fast and low-dose DE imaging on current CBCT scanners without hardware modification. However, its clinical implementations…

Low-dose CT images are essential for reducing radiation exposure in cancer screening, pediatric imaging, and longitudinal monitoring protocols, but their quality is often degraded by noise from low-dose acquisition, patient motion, or…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Jitindra Fartiyal , Pedro Freire , Sergei K. Turitsyn , Sergei G. Solovski

Computer assisted diagnosis in digital pathology is becoming ubiquitous as it can provide more efficient and objective healthcare diagnostics. Recent advances have shown that the convolutional Neural Network (CNN) architectures, a…

图像与视频处理 · 电气工程与系统科学 2022-01-05 Sruthi Krishna , Suganthi S. S , Shivsubramani Krishnamoorthy , Arnav Bhavsar

Low-dose CT denoising is a challenging task that has been studied by many researchers. Some studies have used deep neural networks to improve the quality of low-dose CT images and achieved fruitful results. In this paper, we propose a deep…

图像与视频处理 · 电气工程与系统科学 2019-02-28 Maryam Gholizadeh-Ansari , Javad Alirezaie , Paul Babyn

With the rapid development of deep learning and computer vision technologies, medical image segmentation plays a crucial role in the early diagnosis of breast cancer. However, due to the characteristics of breast ultrasound images, such as…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Jiajun Ding , Beiyao Zhu , Wenjie Wang , Shurong Zhang , Dian Zhua , Zhao Liua

Reconstruction of CT images from a limited set of projections through an object is important in several applications ranging from medical imaging to industrial settings. As the number of available projections decreases, traditional…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Anish Lahiri , Marc Klasky , Jeffrey A. Fessler , Saiprasad Ravishankar

Deep Convolutional Neural Networks (CNNs) for image classification successively alternate convolutions and downsampling operations, such as pooling layers or strided convolutions, resulting in lower resolution features the deeper the…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Ioannis Vezakis , Antonios Vezakis , Sofia Gourtsoyianni , Vassilis Koutoulidis , George K. Matsopoulos , Dimitrios Koutsouris

Segmentation is one of the most significant steps in image processing. Segmenting an image is a technique that makes it possible to separate a digital image into various areas based on the different characteristics of pixels in the image.…

图像与视频处理 · 电气工程与系统科学 2024-11-20 Sina Derakhshandeh , Ali Mahloojifar

Positron emission tomography (PET) is a cornerstone of modern radiology. The ability to detect cancer and metastases in whole body scans fundamentally changed cancer diagnosis and treatment. One of the main bottlenecks in the clinical…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Ida Häggström , C. Ross Schmidtlein , Gabriele Campanella , Thomas J. Fuchs

Breast density estimation is one of the key tasks in recognizing individuals predisposed to breast cancer. It is often challenging because of low contrast and fluctuations in mammograms' fatty tissue background. Most of the time, the breast…

图像与视频处理 · 电气工程与系统科学 2022-10-11 Vikash Gupta , Mutlu Demirer , Robert W. Maxwell , Richard D. White , Barbaros Selnur Erdal

Breast cancer is the most prevalent cancer among women worldwide, and early detection is crucial for reducing its mortality rate and improving quality of life. Dedicated breast computed tomography (CT) scanners offer better image quality…

图像与视频处理 · 电气工程与系统科学 2024-01-30 Wenjun Xia , Hsin Wu Tseng , Chuang Niu , Wenxiang Cong , Xiaohua Zhang , Shaohua Liu , Ruola Ning , Srinivasan Vedantham , Ge Wang

X-ray photon-counting computed tomography (PCCT) for extremity allows multi-energy high-resolution (HR) imaging but its radiation dose can be further improved. Despite the great potential of deep learning techniques, their application in HR…

While convolutional neural networks (CNNs) and vision transformers (ViTs) have advanced medical image segmentation, they face inherent limitations such as local receptive fields in CNNs and high computational complexity in ViTs. This paper…

图像与视频处理 · 电气工程与系统科学 2025-04-02 Pooya Ashtari , Shahryar Noei , Fateme Nateghi Haredasht , Jonathan H. Chen , Giuseppe Jurman , Aleksandra Pizurica , Sabine Van Huffel

Reducing the bit-depth is an effective approach to lower the cost of optical coherence tomography (OCT) systems and increase the transmission efficiency in data acquisition and telemedicine. However, a low bit-depth will lead to the…

图像与视频处理 · 电气工程与系统科学 2021-02-03 Qiangjiang Hao , Kang Zhou , Jianlong Yang , Liyang Fang , Zhengjie Chai , Yuhui Ma , Yan Hu , Shenghua Gao , Jiang Liu

Low-dose CT (LDCT) imaging is desirable in many clinical applications to reduce X-ray radiation dose to patients. Inspired by deep learning (DL), a recent promising direction of model-based iterative reconstruction (MBIR) methods for LDCT…

图像与视频处理 · 电气工程与系统科学 2021-02-18 Qiaoqiao Ding , Yuesong Nan , Hao Gao , Hui Ji