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Timely, accurate and reliable assessment of fetal brain development is essential to reduce short and long-term risks to fetus and mother. Fetal MRI is increasingly used for fetal brain assessment. Three key biometric linear measurements…

图像与视频处理 · 电气工程与系统科学 2022-06-30 Netanell Avisdris , Bossmat Yehuda , Ori Ben-Zvi , Daphna Link-Sourani , Liat Ben-Sira , Elka Miller , Elena Zharkov , Dafna Ben Bashat , Leo Joskowicz

Active Shape Models (ASM) are an iterative segmentation technique to find a landmark-based contour of an object. In each iteration, a least-squares fit of a plausible shape to some detected target landmarks is determined. Finding these…

计算机视觉与模式识别 · 计算机科学 2017-07-31 Alma Eguizabal , Peter J. Schreier

This paper introduces a novel parametric activation function based on Wendland radial basis functions (RBFs) for deep neural networks. Wendland RBFs, known for their compact support, smoothness, and positive definiteness in approximation…

机器学习 · 计算机科学 2025-07-16 Majid Darehmiraki

Craniofacial anomalies indicate early developmental disturbances and are usually linked to many genetic syndromes. Early diagnosis is critical, yet ultrasound (US) examinations often fail to identify these features. This study presents an…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Antonia Alomar , Ricardo Rubio , Laura Salort , Gerard Albaiges , Antoni Payà , Gemma Piella , Federico Sukno

Recently, surface electromyography (sEMG) emerged as a novel biometric authentication method. Since EMG system parameters, such as the feature extraction methods and the number of channels, have been known to affect system performances, it…

信号处理 · 电气工程与系统科学 2021-03-11 Ashirbad Pradhan , Jiayuan He , Ning Jiang

Anomaly detection is crucial for ensuring the stability and reliability of web service systems. Logs and metrics contain multiple information that can reflect the system's operational state and potential anomalies. Thus, existing anomaly…

软件工程 · 计算机科学 2025-01-29 Xixuan Yang , Xin Huang , Chiming Duan , Tong Jia , Shandong Dong , Ying Li , Gang Huang

Hard exudates (HE) is the most specific biomarker for retina edema. Precise HE segmentation is vital for disease diagnosis and treatment, but automatic segmentation is challenged by its large variation of characteristics including size,…

图像与视频处理 · 电气工程与系统科学 2022-11-18 Jiayi Zhang , Xiaoshan Chen , Zhongxi Qiu , Mingming Yang , Yan Hu , Jiang Liu

Early detection and accurate diagnosis are essential to improving patient outcomes. The use of convolutional neural networks (CNNs) for tumor detection has shown promise, but existing models often suffer from overparameterization, which…

图像与视频处理 · 电气工程与系统科学 2025-05-09 Muhammad Irfan , Anum Nawaz , Riku Klen , Abdulhamit Subasi , Tomi Westerlund , Wei Chen

Real-time seeing and outer scale estimation at the location of the focus of a telescope is fundamental for the adaptive optics systems dimensioning and performance prediction, as well as for the operational aspects of instruments. This…

天体物理仪器与方法 · 物理学 2015-06-22 Patrice Martinez

Segmentation of the pubic symphysis and fetal head (PSFH) is a critical procedure in intrapartum monitoring and is essential for evaluating labor progression and identifying potential delivery complications. However, achieving accurate…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Yalin Luo , Shun Long , Huijin Wang , Jieyun Bai

Due to the diversity of brain anatomy and the scarcity of annotated data, supervised anomaly detection for brain MRI remains challenging, driving the development of unsupervised anomaly detection (UAD) approaches. Current UAD methods…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Hao Li , Zhenfeng Zhuang , Jingyu Lin , Yu Liu , Yifei Chen , Qiong Peng , Lequan Yu , Liansheng Wang

Digital Breast Tomosynthesis (DBT) is a widely used medical imaging modality for breast cancer screening and diagnosis, offering higher spatial resolution and greater detail through its 3D-like breast volume imaging capability. However, the…

图像与视频处理 · 电气工程与系统科学 2024-03-21 Yuexi Du , Regina J. Hooley , John Lewin , Nicha C. Dvornek

Accurate fetal brain segmentation is crucial for extracting biomarkers and assessing neurodevelopment, especially in conditions such as corpus callosum dysgenesis (CCD), which can induce drastic anatomical changes. However, the rarity of…

In this paper, we propose a novel Automatic and Scalable Face Detector (ASFD), which is based on a combination of neural architecture search techniques as well as a new loss design. First, we propose an automatic feature enhance module…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Bin Zhang , Jian Li , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Yili Xia , Wenjiang Pei , Rongrong Ji

Medical vision foundation models remain limited in downstream tasks, particularly volumetric medical image segmentation. While fine-tuning on labeled target-domain data improves performance, existing approaches typically rely on randomly…

图像与视频处理 · 电气工程与系统科学 2026-05-07 Jin Yang , Daniel S. Marcus , Aristeidis Sotiras

The Fast Fourier Transform(FFT) is a classic signal processing algorithm that is utilized in a wide range of applications. For image processing, FFT computes on every pixel's value of an image, regardless of their properties in frequency…

信号处理 · 电气工程与系统科学 2020-02-25 Sheng Shi , Runkai Yang , Haihang You

Modelling deformation of anatomical objects observed in medical images can help describe disease progression patterns and variations in anatomy across populations. We apply a stochastic generalisation of the Large Deformation Diffeomorphic…

统计理论 · 数学 2018-12-14 Line Kühnel , Alexis Arnaudon , Tom Fletcher , Stefan Sommer

Weakly supervised semantic segmentation (WSSS) has recently attracted considerable attention because it requires fewer annotations than fully supervised approaches, making it especially promising for large-scale image segmentation tasks.…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Lechao Cheng , Zerun Liu , Jingxuan He , Chaowei Fang , Dingwen Zhang , Meng Wang

Forbush decreases (FDs) are short-term depressions in the galactic cosmic ray flux and one of the common signatures of coronal mass ejections (CMEs) in the heliosphere. They often show a two-step profile, the second one associated with the…

太阳与恒星天体物理 · 物理学 2024-01-18 M. Dumbovic , L. Kramaric , I. Benko , B. Heber , B. Vrsnak

Data uncertainty is commonly observed in the images for face recognition (FR). However, deep learning algorithms often make predictions with high confidence even for uncertain or irrelevant inputs. Intuitively, FR algorithms can benefit…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Lei Shang , Mouxiao Huang , Wu Shi , Yuchen Liu , Yang Liu , Fei Wang , Baigui Sun , Xuansong Xie , Yu Qiao