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Recognizing facial activity is a well-understood (but non-trivial) computer vision problem. However, reliable solutions require a camera with a good view of the face, which is often unavailable in wearable settings. Furthermore, in wearable…

Machine Learning · Computer Science 2023-06-21 Hymalai Bello , Luis Alfredo Sanchez Marin , Sungho Suh , Bo Zhou , Paul Lukowicz

Statistical pattern recognition methods based on the Coherence Length Diagram (CLD) have been proposed for medical image analyses, such as quantitative characterisation of human skin textures, and for polarized light microscopy of liquid…

Computer Vision and Pattern Recognition · Computer Science 2010-05-11 A. Sparavigna , R. Marazzato

Objective: Non-contact physiological measurement is a growing research area that allows capturing vital signs such as heart rate (HR) and breathing rate (BR) comfortably and unobtrusively with remote devices. However, most of the approaches…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Weixuan Chen , Javier Hernandez , Rosalind W. Picard

How will my face look when I get older? Or, for a more challenging question: How will my brain look when I get older? To answer this question one must devise (and learn from data) a multivariate auto-regressive function which given an image…

Image and Video Processing · Electrical Eng. & Systems 2021-10-01 Tian Xia , Agisilaos Chartsias , Chengjia Wang , Sotirios A. Tsaftaris

In recent years, there are various methods of estimating Biological Age (BA) have been developed. Especially with the development of machine learning (ML), there are more and more types of BA predictions, and the accuracy has been greatly…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Zhaonian Zhang , Richard Jiang , Danny Crookes , Paul Chazot

Bone age assessment gives us evidence to analyze the children growth status and the rejuvenation involved chronological and biological ages. All the previous works consider left-hand X-ray image of a child in their works. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2019-01-30 Hai-Duong Nguyen , Soo-Hyung Kim

Developing a reliable and practical face recognition system is a long-standing goal in computer vision research. Existing literature suggests that pixel-wise face alignment is the key to achieve high-accuracy face recognition. By assuming a…

Computer Vision and Pattern Recognition · Computer Science 2015-01-21 Yuting Zhang , Kui Jia , Yueming Wang , Gang Pan , Tsung-Han Chan , Yi Ma

Surface analysis of the cortex is ubiquitous in human neuroimaging with MRI, e.g., for cortical registration, parcellation, or thickness estimation. The convoluted cortical geometry requires isotropic scans (e.g., 1mm MPRAGEs) and good…

Image and Video Processing · Electrical Eng. & Systems 2023-05-04 Karthik Gopinath , Douglas N. Greve , Sudeshna Das , Steve Arnold , Colin Magdamo , Juan Eugenio Iglesias

Unlike the conventional facial expressions, micro-expressions are involuntary and transient facial expressions capable of revealing the genuine emotions that people attempt to hide. Therefore, they can provide important information in a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-17 Xianye Ben , Yi Ren , Junping Zhang , Su-Jing Wang , Kidiyo Kpalma , Weixiao Meng , Yong-Jin Liu

Facial acne is a common disease, especially among adolescents, negatively affecting both physically and psychologically. Classifying acne is vital to providing the appropriate treatment. Traditional visual inspection or expert scanning is…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Afsana Ahsan Jeny , Masum Shah Junayed , Md Robel Mia , Md Baharul Islam

We collected a large dataset consisting of 850 unique participants. For every participant we recorded two 30 second uncompressed videos, synchronized PPG waveforms and a single blood pressure measurement. Gender, age and skin color were…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Pieter-Jan Toye

The main challenges of age estimation from facial expression videos lie not only in the modeling of the static facial appearance, but also in the capturing of the temporal facial dynamics. Traditional techniques to this problem focus on…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Wenjie Pei , Hamdi Dibeklioğlu , Tadas Baltrušaitis , David M. J. Tax

Ear related concerns and symptoms represents the leading indication for seeking pediatric healthcare attention. Despite the high incidence of such encounters, the diagnostic process of commonly encountered disease of the middle and external…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Weiyao Wang , Aniruddha Tamhane , Christine Santos , John R. Rzasa , James H. Clark , Therese L. Canares , Mathias Unberath

Cardiovascular disease (CVD) is the leading cause of mortality yet largely preventable, but the key to prevention is to identify at-risk individuals before adverse events. For predicting individual CVD risk, carotid intima-media thickness…

Computer Vision and Pattern Recognition · Computer Science 2017-06-05 Jae Y. Shin , Nima Tajbakhsh , R. Todd Hurst , Christopher B. Kendall , Jianming Liang

Moire patterns, appearing as color distortions, severely degrade image and video qualities when filming a screen with digital cameras. Considering the increasing demands for capturing videos, we study how to remove such undesirable moire…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Peng Dai , Xin Yu , Lan Ma , Baoheng Zhang , Jia Li , Wenbo Li , Jiajun Shen , Xiaojuan Qi

Facial attribute analysis has received considerable attention when deep learning techniques made remarkable breakthroughs in this field over the past few years. Deep learning based facial attribute analysis consists of two basic sub-issues:…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Xin Zheng , Yanqing Guo , Huaibo Huang , Yi Li , Ran He

Video understanding is to recognize and classify different actions or activities appearing in the video. A lot of previous work, such as video captioning, has shown promising performance in producing general video understanding. However, it…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Zijian Kuang , Xinran Tie

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…

Image and Video Processing · Electrical Eng. & Systems 2024-09-05 Antonia Alomar , Ricardo Rubio , Laura Salort , Gerard Albaiges , Antoni Payà , Gemma Piella , Federico Sukno

Estimating a child's age from ocular biometric images is challenging due to subtle physiological changes and the limited availability of longitudinal datasets. Although most biometric age estimation studies have focused on facial features…

Image and Video Processing · Electrical Eng. & Systems 2025-05-09 Naveenkumar G Venkataswamy , Poorna Ravi , Stephanie Schuckers , Masudul H. Imtiaz

Purpose: To describe a new methodology for tear-film dynamics assessment by observing fluorescein decay rate over time and to understand the relationship between the newly defined tear fluorescein washout rate (TFWR)and other measures of…

Medical Physics · Physics 2019-02-15 Izabela K. Garaszczuk , D. Robert Iskander
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