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Deep learning models have achieved state-of-the-art results in estimating brain age, which is an important brain health biomarker, from magnetic resonance (MR) images. However, most of these models only provide a global age prediction, and…

图像与视频处理 · 电气工程与系统科学 2023-08-25 Neha Gianchandani , Mahsa Dibaji , Mariana Bento , Ethan MacDonald , Roberto Souza

Multi-modal tasks involving vision and language in deep learning continue to rise in popularity and are leading to the development of newer models that can generalize beyond the extent of their training data. The current models lack…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Ethan Shen , Scotty Singh , Bhavesh Kumar

Brain age is the estimate of biological age derived from neuroimaging datasets using machine learning algorithms. Increasing brain age with respect to chronological age can reflect increased vulnerability to neurodegeneration and cognitive…

定量方法 · 定量生物学 2024-02-13 Saurabh Sihag , Gonzalo Mateos , Alejandro Ribeiro

Ultrasound tongue imaging is widely used for speech production research, and it has attracted increasing attention as its potential applications seem to be evident in many different fields, such as the visual biofeedback tool for second…

计算机视觉与模式识别 · 计算机科学 2021-01-28 Kele Xu , Tamas Gábor Csapó , Ming Feng

Accurate age verification can protect underage users from unauthorized access to online platforms and e-commerce sites that provide age-restricted services. However, accurate age estimation can be confounded by several factors, including…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Ekta Gavas , Sudipta Banerjee , Chinmay Hegde , Nasir Memon

Comparing different age estimation methods poses a challenge due to the unreliability of published results stemming from inconsistencies in the benchmarking process. Previous studies have reported continuous performance improvements over…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Jakub Paplham , Vojtech Franc

Appearance variations result in many difficulties in face image analysis. To deal with this challenge, we present a Unified Tensor-based Active Appearance Model (UT-AAM) for jointly modelling the geometry and texture information of 2D…

计算机视觉与模式识别 · 计算机科学 2017-06-14 Zhen-Hua Feng , Josef Kittler , William Christmas , Xiao-Jun Wu

The study of signatures of aging in terms of genomic biomarkers can be uniquely helpful in understanding the mechanisms of aging and developing models to accurately predict the age. Prior studies have employed gene expression and DNA…

基因组学 · 定量生物学 2021-11-08 Salman Mohamadi , Gianfranco. Doretto , Nasser M. Nasrabadi , Donald A. Adjeroh

Face anti-spoofing (FAS) approaches based on unsupervised domain adaption (UDA) have drawn growing attention due to promising performances for target scenarios. Most existing UDA FAS methods typically fit the trained models to the target…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Qianyu Zhou , Ke-Yue Zhang , Taiping Yao , Ran Yi , Kekai Sheng , Shouhong Ding , Lizhuang Ma

This paper introduces a new method for face verification across large age gaps and also a dataset containing variations of age in the wild, the Large Age-Gap (LAG) dataset, with images ranging from child/young to adult/old. The proposed…

计算机视觉与模式识别 · 计算机科学 2016-02-22 Simone Bianco

Despite the recent success of deep neural networks, it remains challenging to effectively model the long-tail class distribution in visual recognition tasks. To address this problem, we first investigate the performance bottleneck of the…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Songyang Zhang , Zeming Li , Shipeng Yan , Xuming He , Jian Sun

Neural radiance field (NeRF) has become a popular 3D representation method for human avatar reconstruction due to its high-quality rendering capabilities, e.g., regarding novel views and poses. However, previous methods for editing the…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Jinlong Fan , Jing Zhang , Dacheng Tao

The rapid growth of user-generated (video) content (UGC) has driven increased demand for research on no-reference (NR) perceptual video quality assessment (VQA). NR-VQA is a key component for large-scale video quality monitoring in social…

图像与视频处理 · 电气工程与系统科学 2025-08-15 Xinyi Wang , Angeliki Katsenou , David Bull

A lifespan face synthesis (LFS) model aims to generate a set of photo-realistic face images of a person's whole life, given only one snapshot as reference. The generated face image given a target age code is expected to be age-sensitive…

计算机视觉与模式识别 · 计算机科学 2021-08-16 Sen He , Wentong Liao , Michael Ying Yang , Yi-Zhe Song , Bodo Rosenhahn , Tao Xiang

We present UIKA, a feed-forward animatable Gaussian head model from an arbitrary number of pose-free inputs, including a single image, multi-view captures, and smartphone-captured videos. Unlike the traditional avatar method, which requires…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Zijian Wu , Boyao Zhou , Liangxiao Hu , Hongyu Liu , Yuan Sun , Xuan Wang , Xun Cao , Yujun Shen , Hao Zhu

Labeled Faces in the Wild (LFW) database has been widely utilized as the benchmark of unconstrained face verification and due to big data driven machine learning methods, the performance on the database approaches nearly 100%. However, we…

计算机视觉与模式识别 · 计算机科学 2018-01-18 Tianyue Zheng , Weihong Deng , Jiani Hu

Most unsupervised domain adaptation (UDA) methods assume that labeled source images are available during model adaptation. However, this assumption is often infeasible owing to confidentiality issues or memory constraints on mobile devices.…

计算机视觉与模式识别 · 计算机科学 2023-03-17 JoonHo Lee , Gyemin Lee

Variational AutoEncoders (VAEs) provide a means to generate representational latent embeddings. Previous research has highlighted the benefits of achieving representations that are disentangled, particularly for downstream tasks. However,…

计算机视觉与模式识别 · 计算机科学 2019-11-18 Matthew J. Vowels , Necati Cihan Camgoz , Richard Bowden

This paper is focused on the automatic extraction of persons and their attributes (gender, year of born) from album of photos and videos. We propose the two-stage approach, in which, firstly, the convolutional neural network simultaneously…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Andrey V. Savchenko

Machine-learning-based age estimation has received lots of attention. Traditional age estimation mechanism focuses estimation age error, but ignores that there is a deviation between the estimated age and real age due to disease.…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Fan Li , Yongming Li , Pin Wang , Jie Xiao , Fang Yan , Xinke Li