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Human age estimation has attracted increasing researches due to its wide applicability in such as security monitoring and advertisement recommendation. Although a variety of methods have been proposed, most of them focus only on the…

计算机视觉与模式识别 · 计算机科学 2016-09-14 Qing Tian , Songcan Chen , Xiaoyang Tan

Supervised anomaly detection methods perform well in identifying known anomalies that are well represented in the training set. However, they often struggle to generalise beyond the training distribution due to decision boundaries that lack…

In medical imaging, surface registration is extensively used for performing systematic comparisons between anatomical structures, with a prime example being the highly convoluted brain cortical surfaces. To obtain a meaningful registration,…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Yuchen Guo , Qiguang Chen , Gary P. T. Choi , Lok Ming Lui

Homologous anatomical landmarks between medical scans are instrumental in quantitative assessment of image registration quality in various clinical applications, such as MRI-ultrasound registration for tissue shift correction in…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Soorena Salari , Amirhossein Rasoulian , Hassan Rivaz , Yiming Xiao

Dementia, a progressive neurodegenerative disorder, affects memory, reasoning, and daily functioning, creating challenges for individuals and healthcare systems. Early detection is crucial for timely interventions that may slow disease…

神经元与认知 · 定量生物学 2025-03-04 Sahar Sinene Mehdoui , Abdelhamid Bouzid , Daniel Sierra-Sosa , Adel Elmaghraby

Objective: Endophenotypes such as brain age and fluid intelligence are important biomarkers of disease status. However, brain imaging studies to identify these biomarkers often encounter limited numbers of subjects and high dimensional…

Recently, there is an increasing demand for automatically detecting anatomical landmarks which provide rich structural information to facilitate subsequent medical image analysis. Current methods related to this task often leverage the…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Zeyu Fu , Jianbo Jiao , Michael Suttie , J. Alison Noble

A big, diverse and balanced training data is the key to the success of deep neural network training. However, existing publicly available datasets used in facial landmark localization are usually much smaller than those for other computer…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Shuangping Jin , Zhenhua Feng , Wankou Yang , Josef Kittler

Detecting anatomical landmarks in medical images plays an essential role in understanding the anatomy and planning automated processing. In recent years, a variety of deep neural network methods have been developed to detect landmarks…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Heqin Zhu , Qingsong Yao , Li Xiao , S. Kevin Zhou

Large-scale multimodal language models (LMMs) have achieved remarkable success in general domains. However, the exploration of diagnostic language models based on multimodal cephalometric medical data remains limited. In this paper, we…

人工智能 · 计算机科学 2023-07-18 Lei Ma , Jincong Han , Zhaoxin Wang , Dian Zhang

While facial biometrics has been widely used for identification purpose, it has recently been researched as medical biometrics for a range of diseases. In this chapter, we investigate the facial landmark detection for atypical 3D facial…

机器学习 · 计算机科学 2019-09-15 Gary Storey , Ahmed Bouridane , Richard Jiang , Chang-tsun Li

CNNs, initially inspired by human vision, differ in a key way: they sample uniformly, rather than with highest density in a focal point. For very large images, this makes training untenable, as the memory and computation required for…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Logan Gilmour , Nilanjan Ray

Clinicians trace cephalometric radiographs by following a structured anatomical workflow -- yet no prior system explicitly encodes this into computation. We present a five-phase anatomy-guided pipeline producing confidence-weighted spatial…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Sidhartha Mohapatra , Pallavi Mohanty

This paper explores the application of large language models (LLMs), like ChatGPT, for biometric tasks. We specifically examine the capabilities of ChatGPT in performing biometric-related tasks, with an emphasis on face recognition, gender…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Ahmad Hassanpour , Yasamin Kowsari , Hatef Otroshi Shahreza , Bian Yang , Sebastien Marcel

This paper presents a deep learning framework for image classification aimed at increasing predictive performance for Cytotoxic Edema (CE) diagnosis in infants and children. The proposed framework includes two 3D network architectures…

Facial landmarks are highly correlated with each other since a certain landmark can be estimated by its neighboring landmarks. Most of the existing deep learning methods only use one fully-connected layer called shape prediction layer to…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Zhiwen Shao , Hengliang Zhu , Xin Tan , Yangyang Hao , Lizhuang Ma

Statistical shape analysis is a very useful tool in a wide range of medical and biological applications. However, it typically relies on the ability to produce a relatively small number of features that can capture the relevant variability…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Riddhish Bhalodia , Ladislav Kavan , Ross Whitaker

Three-dimensional facial stereophotogrammetry provides a detailed representation of craniofacial soft tissue without the use of ionizing radiation. While manual annotation of landmarks serves as the current gold standard for cephalometric…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Bo Berends , Freek Bielevelt , Ruud Schreurs , Shankeeth Vinayahalingam , Thomas Maal , Guido de Jong

Existing deep learning based facial landmark detection methods have achieved excellent performance. These methods, however, do not explicitly embed the structural dependencies among landmark points. They hence cannot preserve the geometric…

计算机视觉与模式识别 · 计算机科学 2022-06-29 Lisha Chen , Hui Su , Qiang Ji

Current fully-supervised facial landmark detection methods have progressed rapidly and achieved remarkable performance. However, they still suffer when coping with faces under large poses and heavy occlusions for inaccurate facial shape…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Jun Wan , Hui Xi , Jie Zhou , Zhihui Lai , Witold Pedrycz , Xu Wang , Hang Sun