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  • Article
  • Open Access
4 Citations
7,790 Views
16 Pages

Adaptive 3D Model-Based Facial Expression Synthesis and Pose Frontalization

  • Yu-Jin Hong,
  • Sung Eun Choi,
  • Gi Pyo Nam,
  • Heeseung Choi,
  • Junghyun Cho and
  • Ig-Jae Kim

1 May 2020

Facial expressions are one of the important non-verbal ways used to understand human emotions during communication. Thus, acquiring and reproducing facial expressions is helpful in analyzing human emotional states. However, owing to complex and subtl...

  • Article
  • Open Access
16 Citations
8,241 Views
17 Pages

Multi-Pose Face Recognition Based on Deep Learning in Unconstrained Scene

  • Shuai Ruan,
  • Chaowei Tang,
  • Xu Zhou,
  • Zhuoyi Jin,
  • Shiyu Chen,
  • Haotian Wen,
  • Hongbin Liu and
  • Dong Tang

7 July 2020

At present, deep learning drives the rapid development of face recognition. However, in the unconstrained scenario, the change of facial posture has a great impact on face recognition. Moreover, the current model still has some shortcomings in accura...

  • Article
  • Open Access
11 Citations
7,860 Views
13 Pages

Diverse Pose Lip-Reading Framework

  • Naheed Akhter,
  • Mushtaq Ali,
  • Lal Hussain,
  • Mohsin Shah,
  • Toqeer Mahmood,
  • Amjad Ali and
  • Ala Al-Fuqaha

22 September 2022

Lip-reading is a technique to understand speech by observing a speaker’s lips movement. It has numerous applications; for example, it is helpful for hearing impaired persons and understanding the speech in noisy environments. Most of the previo...

  • Article
  • Open Access
567 Views
26 Pages

LLM-Based Pose Normalization and Multimodal Fusion for Facial Expression Recognition in Extreme Poses

  • Bohan Chen,
  • Bowen Qu,
  • Yu Zhou,
  • Han Huang,
  • Jianing Guo,
  • Yanning Xian,
  • Longxiang Ma,
  • Jinxuan Yu and
  • Jingyu Chen

Facial expression recognition (FER) technology has progressively matured over time. However, existing FER methods are primarily optimized for frontal face images, and their recognition accuracy significantly degrades when processing profile or large-...

  • Article
  • Open Access
4 Citations
3,542 Views
12 Pages

Vision-Based System for Automated Estimation of the Frontal Area of Swimmers: Towards the Determination of the Instant Active Drag: A Pilot Study

  • José M. González-Ravé,
  • Francisco Moya-Fernández,
  • Francisco Hermosilla-Perona and
  • Fernando J. Castillo-García

26 January 2022

Swimmers take great advantage by reducing the drag forces either in passive or active conditions. The purpose of this work is to determine the frontal area of swimmers by means of an automated vision system. The proposed algorithm is automated and al...

  • Article
  • Open Access
10 Citations
241 Views
10 Pages

Management of fractures involving the frontal sinus seems to be more complex than merely obtaining an ideal reduction of the bony injuries. Multiple articles on the management of these fractures suggest that a great deal of controversy persists despi...

  • Article
  • Open Access
1 Citations
1,777 Views
19 Pages

5 December 2023

In order to enhance the stability of vehicle pose estimation within driving videos, a novel methodology for optimizing vehicle structural parameters is introduced. This approach hinges on evaluating the reliability of edge point sequences. Firstly, a...

  • Brief Report
  • Open Access
3 Citations
2,112 Views
8 Pages

7 October 2022

Progressive Supranuclear Palsy—Parkinsonism Predominant (PSP-P) is associated with moderate responsiveness to levodopa treatment and a possible lack of typical PSP milestones. The clinical manifestation of PSP-P poses difficulties in neurologic...

  • Article
  • Open Access
11 Citations
10,415 Views
13 Pages

FT-GAN: Face Transformation with Key Points Alignment for Pose-Invariant Face Recognition

  • Weiwei Zhuang,
  • Liang Chen,
  • Chaoqun Hong,
  • Yuxin Liang and
  • Keshou Wu

Face recognition has been comprehensively studied. However, face recognition in the wild still suffers from unconstrained face directions. Frontal face synthesis is a popular solution, but some facial features are missed after synthesis. This paper p...

  • Article
  • Open Access
1,295 Views
12 Pages

28 February 2025

Objectives: To determine the extent to which anteroposterior head inclination influences smile arc curvature assessment on frontal photographs. Materials and Methods: Sixty-three young adults participated in this study. Each had five standardized fro...

  • Article
  • Open Access
5 Citations
6,141 Views
16 Pages

Estimating Cycling Aerodynamic Performance Using Anthropometric Measures

  • Raman Garimella,
  • Thomas Peeters,
  • Eduardo Parrilla,
  • Jordi Uriel,
  • Seppe Sels,
  • Toon Huysmans and
  • Stijn Verwulgen

2 December 2020

Aerodynamic drag force and projected frontal area (A) are commonly used indicators of aerodynamic cycling efficiency. This study investigated the accuracy of estimating these quantities using easy-to-acquire anthropometric and pose measures. In the f...

  • Article
  • Open Access
236 Views
10 Pages

Effects of 3D Virtual Reality on Postural Control in Young Adults: Clinical and Practical Implications

  • Gustavo Christofoletti,
  • Gabriela Maria da Silva Béé,
  • Otávio Reginato,
  • Nathalia Oliveira Rodrigues,
  • Sidineia Silva Pinheiro Cavalcante Franco and
  • Ana Beatriz Gomes de Souza Pegorare

Background: Previous studies have demonstrated the benefits of virtual reality (VR) as an intervention tool guided by specialists. However, little is known about whether VR may pose risks in uncontrolled environments. Considering its implications for...

  • Case Report
  • Open Access
10 Citations
1,666 Views
11 Pages

The Microsurgical Resection of an Arteriovenous Malformation in a Patient with Thrombophilia: A Case Report and Literature Review

  • Corneliu Toader,
  • Felix-Mircea Brehar,
  • Mugurel Petrinel Radoi,
  • Matei Serban,
  • Razvan-Adrian Covache-Busuioc,
  • Luca-Andrei Glavan,
  • Alexandru Vlad Ciurea and
  • Nicolaie Dobrin

21 November 2024

Background/Objectives: Arteriovenous malformations (AVMs) are complex vascular anomalies that can present with significant complications, including intracranial hemorrhage. This report presents the case of a 36-year-old female with Prothrombin G20210...

  • Article
  • Open Access
25 Citations
15,775 Views
22 Pages

26 August 2015

Head pose estimation is a crucial initial task for human face analysis, which is employed in several computer vision systems, such as: facial expression recognition, head gesture recognition, yawn detection, etc. In this work, we propose a frame-base...

  • Article
  • Open Access
14 Citations
4,955 Views
12 Pages

31 May 2022

Age estimation from human faces is an important yet challenging task in computer vision because of the large differences between physical age and apparent age. Due to the differences including races, genders, and other factors, the performance of a l...

  • Article
  • Open Access
11 Citations
4,243 Views
24 Pages

Histogram-Based CRC for 3D-Aided Pose-Invariant Face Recognition

  • Liang Shi,
  • Xiaoning Song,
  • Tao Zhang and
  • Yuquan Zhu

13 February 2019

Traditional Collaborative Representation-based Classification algorithms for face recognition (CRC) usually suffer from data uncertainty, especially if it includes various poses and illuminations. To address this issue, in this paper, we design a new...

  • Article
  • Open Access
2 Citations
978 Views
22 Pages

25 July 2025

Medical image registration is an indispensable preprocessing step to align medical images to a common coordinate system before in-depth analysis. The registration precision is critical to the following analysis. In addition to representative image fe...

  • Article
  • Open Access
13 Citations
7,074 Views
18 Pages

Real and Deepfake Face Recognition: An EEG Study on Cognitive and Emotive Implications

  • Pietro Tarchi,
  • Maria Chiara Lanini,
  • Lorenzo Frassineti and
  • Antonio Lanatà

23 August 2023

The human brain’s role in face processing (FP) and decision making for social interactions depends on recognizing faces accurately. However, the prevalence of deepfakes, AI-generated images, poses challenges in discerning real from synthetic id...

  • Article
  • Open Access
10 Citations
5,328 Views
18 Pages

14 January 2020

Face recognition using a single sample per person is a challenging problem in computer vision. In this scenario, due to the lack of training samples, it is difficult to distinguish between inter-class variations caused by identity and intra-class var...

  • Article
  • Open Access
1 Citations
3,522 Views
15 Pages

8 July 2024

This study explores how open-source pose estimation can be utilized to identify goalkeeper dive initiation during soccer penalty kicks. The purpose of this study is to provide an accessible, low-cost heuristic methodology for identifying goalkeeper d...

  • Article
  • Open Access
1 Citations
1,640 Views
16 Pages

2D Pose Estimation vs. Inertial Measurement Unit-Based Motion Capture in Ergonomics: Assessing Postural Risk in Dental Assistants

  • Steven Simon,
  • Jonna Meining,
  • Laura Laurendi,
  • Thorsten Berkefeld,
  • Jonas Dully,
  • Carlo Dindorf and
  • Michael Fröhlich

The dental profession has a high prevalence of musculoskeletal disorders because daily working life is characterized by many monotonous and one-sided physical exertions. Inertial measurement unit (IMU)-based motion capture (MoCap) is increasingly uti...

  • Interesting Images
  • Open Access
631 Views
6 Pages

Intracranial Injury Caused by Transorbital Penetrating Trauma: An E-Scooter Brake Handle as an Unusual Culprit

  • Paweł Szczurowski,
  • Michał Gontarz,
  • Jarosław Polak,
  • Jakub Bargiel,
  • Krzysztof Gąsiorowski,
  • Kamil Nelke and
  • Grażyna Wyszyńska-Pawelec

29 October 2025

Transorbital penetrating intracranial injuries are a rare but life-threatening subset of penetrating head traumas. While isolated cases caused by bicycle brake handles have been reported, often with fatal outcomes, this is the first documented case o...

  • Article
  • Open Access
7 Citations
4,592 Views
21 Pages

FRMDB: Face Recognition Using Multiple Points of View

  • Paolo Contardo,
  • Paolo Sernani,
  • Selene Tomassini,
  • Nicola Falcionelli,
  • Milena Martarelli,
  • Paolo Castellini and
  • Aldo Franco Dragoni

9 February 2023

Although face recognition technology is currently integrated into industrial applications, it has open challenges, such as verification and identification from arbitrary poses. Specifically, there is a lack of research about face recognition in surve...

  • Article
  • Open Access
3 Citations
1,878 Views
24 Pages

20 February 2025

The principal factor contributing to the restricted accuracy of wind shear detection resides in the rapid oscillations of the wind field and the intricate characteristics of wind shear. The abrupt alterations in wind speed and direction over a short...

  • Article
  • Open Access
2 Citations
4,191 Views
9 Pages

13 November 2021

The “Crucifixion with the twelve Apostles”, a unique Coptic embroidered panel, was on display at the Benaki Museum (Athens, Greece). The representation of the “Crucifixion” with Christ in the center and six Apostles on either side, standing next to e...

  • Article
  • Open Access
1 Citations
3,020 Views
28 Pages

Perception of Facial Impressions Using Explicit Features of the Face (xFoFs)

  • Jihyeon Yeom,
  • Jeongin Lee,
  • Heekyung Yang and
  • Kyungha Min

3 September 2023

We present a novel approach to perceiving facial impressions by defining the explicit features of the face (xFoFs) based on anthropometric studies. The xFoFs estimate 35 anthropometric features of human faces with normal expressions and frontalized p...

  • Article
  • Open Access
3 Citations
8,338 Views
24 Pages

17 February 2025

The generation of 3D digital humans has traditionally relied on multi-view imaging systems and large-scale datasets, posing challenges in cost, accessibility, and real-time applicability. To overcome these limitations, this study presents an efficien...

  • Article
  • Open Access
1,138 Views
18 Pages

24 October 2025

Gait analysis is a valuable tool for a wide range of clinical applications. Until now, the standard for gait analysis has been marker-based 3D optical systems. Recently, markerless gait analysis systems that utilize pose estimation models based on Co...

  • Article
  • Open Access
1 Citations
1,461 Views
16 Pages

Experimental Study on the Effects of Cockpit Noise on Physiological Indicators of Pilots

  • Haiming Shen,
  • Meiqing Hao,
  • Jiawei Ren,
  • Kun Chen and
  • Yang Gao

4 July 2025

Cockpit noise, as a critical environmental factor affecting flight safety, may impair pilots’ cognitive functions, leading to a decreased operational performance and decision-making errors, thereby posing potential threats to aviation safety. I...

  • Article
  • Open Access
15 Citations
8,275 Views
23 Pages

UCO Physical Rehabilitation: New Dataset and Study of Human Pose Estimation Methods on Physical Rehabilitation Exercises

  • Rafael Aguilar-Ortega,
  • Rafael Berral-Soler,
  • Isabel Jiménez-Velasco,
  • Francisco J. Romero-Ramírez,
  • Manuel García-Marín,
  • Jorge Zafra-Palma,
  • Rafael Muñoz-Salinas,
  • Rafael Medina-Carnicer and
  • Manuel J. Marín-Jiménez

31 October 2023

Physical rehabilitation plays a crucial role in restoring motor function following injuries or surgeries. However, the challenge of overcrowded waiting lists often hampers doctors’ ability to monitor patients’ recovery progress in person....

  • Article
  • Open Access
4 Citations
2,232 Views
15 Pages

MV-MFF: Multi-View Multi-Feature Fusion Model for Pneumonia Classification

  • Najla Alsulami,
  • Hassan Althobaiti and
  • Tarik Alafif

Pneumonia ranks among the most prevalent lung diseases and poses a significant concern since it is one of the diseases that may lead to death around the world. Diagnosing pneumonia necessitates a chest X-ray and substantial expertise to ensure accura...

  • Article
  • Open Access
506 Views
13 Pages

Automating the Evaluation of Artificial Respiration: A Computer Vision Approach

  • Chaofang Wang,
  • Yali Tong,
  • Shuai Ma,
  • Wenlong Dong and
  • Bin Fan

5 January 2026

Traditional cardiopulmonary resuscitation (CPR) training faces limitations such as instructor dependency, low efficiency, and subjective assessment. To address these issues, this study proposes a novel computer vision-based method for the automation...

  • Article
  • Open Access
295 Citations
31,148 Views
19 Pages

Facial Emotion Recognition Using Transfer Learning in the Deep CNN

  • M. A. H. Akhand,
  • Shuvendu Roy,
  • Nazmul Siddique,
  • Md Abdus Samad Kamal and
  • Tetsuya Shimamura

Human facial emotion recognition (FER) has attracted the attention of the research community for its promising applications. Mapping different facial expressions to the respective emotional states are the main task in FER. The classical FER consists...

  • Article
  • Open Access
2 Citations
3,315 Views
26 Pages

2 February 2025

In real-world scenarios, posture variation and low-quality image resolution are two well-known factors that compromise the accuracy and reliability of face recognition system. These challenges can be overcome using various methods, including Generati...

  • Article
  • Open Access
8 Citations
8,413 Views
15 Pages

11 June 2018

We present a method of segmenting human parts in depth images, when provided the image positions of the body parts. The goal is to facilitate per-pixel labelling of large datasets of human images, which are used for training and testing algorithms fo...

  • Article
  • Open Access
2 Citations
2,126 Views
9 Pages

Classical vs. Retrograde Endoscopic Dacryocystorhinostomy: Analyses and Comparison of the Results

  • Matteo Alicandri-Ciufelli,
  • Daniela Lucidi,
  • Elisa Aggazzotti Cavazza,
  • Paolo Russo,
  • Cinzia Del Giovane,
  • Daniele Marchioni and
  • Federico Calvaruso

29 June 2024

Background: In endoscopic dacryocystorhinostomy (DCR), surgical landmarks such as the maxillary line (ML) and the axilla of the middle turbinate (MT) guide the surgeon in identifying the lacrimal sac. The primary surgical risk associated with the cla...

  • Technical Note
  • Open Access
1 Citations
1,675 Views
12 Pages

16 December 2024

The thickness estimation of landslides is crucial for better landslide evaluation. Traditional non-contact mass conservation methods using 3D deformation may be unsuitable due to observation limitations. This study proposes a more feasible approach b...

  • Article
  • Open Access
16 Citations
3,889 Views
27 Pages

Low-Invasive CO2-Based Visual Alerting Systems to Manage Natural Ventilation and Improve IAQ in Historic School Buildings

  • Francesca Avella,
  • Akshit Gupta,
  • Clara Peretti,
  • Gianmaria Fulici,
  • Luca Verdi,
  • Annamaria Belleri and
  • Francesco Babich

14 October 2021

Children spend a large part of their growing years in schools, and as they are more sensitive to some pollutants than adults, it is essential to monitor and maximize the indoor air quality (IAQ) in classrooms. Many schools are located in historic and...

  • Article
  • Open Access
7 Citations
4,741 Views
45 Pages

CAM-FRN: Class Attention Map-Based Flare Removal Network in Frontal-Viewing Camera Images of Vehicles

  • Seon Jong Kang,
  • Kyung Bong Ryu,
  • Min Su Jeong,
  • Seong In Jeong and
  • Kang Ryoung Park

23 August 2023

In recent years, active research has been conducted on computer vision and artificial intelligence (AI) for autonomous driving to increase the understanding of the importance of object detection technology using a frontal-viewing camera. However, usi...

  • Feature Paper
  • Article
  • Open Access
311 Views
16 Pages

Optimising Camera–ChArUco Geometry for Motion Compensation in Standing Equine CT: A CT-Motivated Benchtop Study

  • Cosimo Aliani,
  • Cosimo Lorenzetto Bologna,
  • Piergiorgio Francia and
  • Leonardo Bocchi

18 February 2026

Standing equine computed tomography (CT) acquisitions are susceptible to residual postural sway, which can introduce view-inconsistent motion and degrade image quality. External optical tracking based on ChArUco fiducials is a promising, low-cost str...

  • Article
  • Open Access
13 Citations
8,878 Views
13 Pages

Biomechanical Posture Analysis in Healthy Adults with Machine Learning: Applicability and Reliability

  • Federico Roggio,
  • Sarah Di Grande,
  • Salvatore Cavalieri,
  • Deborah Falla and
  • Giuseppe Musumeci

4 May 2024

Posture analysis is important in musculoskeletal disorder prevention but relies on subjective assessment. This study investigates the applicability and reliability of a machine learning (ML) pose estimation model for the human posture assessment, whi...

  • Article
  • Open Access
2 Citations
5,450 Views
14 Pages

Coupling RetinaFace and Depth Information to Filter False Positives

  • Loris Nanni,
  • Sheryl Brahnam,
  • Alessandra Lumini and
  • Andrea Loreggia

25 February 2023

Face detection is an important problem in computer vision because it enables a wide range of applications, such as facial recognition and an analysis of human behavior. The problem is challenging because of the large variations in facial appearance a...

  • Review
  • Open Access
11 Citations
4,232 Views
18 Pages

Unexplained Causes of Glioma-Associated Epilepsies: A Review of Theories and an Area for Research

  • Mariia Saviuk,
  • Ekaterina Sleptsova,
  • Tikhon Redkin and
  • Victoria Turubanova

22 November 2023

Approximately 30% of glioma patients are able to survive beyond one year postdiagnosis. And this short time is often overshadowed by glioma-associated epilepsy. This condition severely impairs the patient’s quality of life and causes great suff...

  • Article
  • Open Access
24 Citations
5,631 Views
20 Pages

Vision-Based Road Rage Detection Framework in Automotive Safety Applications

  • Alessandro Leone,
  • Andrea Caroppo,
  • Andrea Manni and
  • Pietro Siciliano

22 April 2021

Drivers’ road rage is among the main causes of road accidents. Each year, it contributes to more deaths and injuries globally. In this context, it is important to implement systems that can supervise drivers by monitoring their level of concentration...

  • Article
  • Open Access
9 Citations
3,707 Views
18 Pages

Current assessments for generalized anxiety disorder (GAD) are often subjective and do not rely on a standardized measure to evaluate the GAD across its severity levels. The lack of objective and multi-level quantitative diagnostic criteria poses as...

  • Article
  • Open Access
2 Citations
2,939 Views
19 Pages

Optimization Study of Driver Crash Injuries Considering the Body NVH Performance

  • Min Li,
  • Shunan Zhang,
  • Xilong Zhang,
  • Mingjun Qiu,
  • Zhen Liu and
  • Siyu He

10 November 2023

Optimal body structure design is a central focus in the field of passive automotive safety. A well-designed body structure enhances the lower threshold for crash safety, serving as a basis for the deployment of other safety systems. Frontal crashes,...

  • Article
  • Open Access
6 Citations
1,908 Views
14 Pages

2 December 2023

Vehicle type and brand information constitute a crucial element in intelligent transportation systems (ITSs). While numerous appearance-based classification methods have studied frontal view images of vehicles, the challenge of multi-pose and multi-a...

  • Article
  • Open Access
3 Citations
3,660 Views
16 Pages

Spaceflight-Induced Gene Expression Profiles in the Mouse Brain Are Attenuated by Treatment with the Antioxidant BuOE

  • Isaac Kremsky,
  • Samir Ali,
  • Seta Stanbouly,
  • Jacob Holley,
  • Stephen Justinen,
  • Michael Pecaut,
  • James Crapo and
  • Xiaowen Mao

1 September 2023

The demands of deep space pose a health risk to the central nervous system that has long been a concern when sending humans to space. While little is known about how spaceflight affects transcription spatially in the brain, a greater understanding of...

  • Article
  • Open Access
15 Citations
5,856 Views
16 Pages

Informative Biomarkers for Autism Spectrum Disorder Diagnosis in Functional Magnetic Resonance Imaging Data on the Default Mode Network

  • Aikaterini S. Karampasi,
  • Antonis D. Savva,
  • Vasileios Ch. Korfiatis,
  • Ioannis Kakkos and
  • George K. Matsopoulos

5 July 2021

Effective detection of autism spectrum disorder (ASD) is a complicated procedure, due to the hundreds of parameters suggested to be implicated in its etiology. As such, machine learning methods have been consistently applied to facilitate diagnosis,...

  • Article
  • Open Access
5 Citations
6,093 Views
9 Pages

The Cervico-Parasternal Thoracotomy (CPT): A New Surgical Approach for the Resection of Cervicothoracic Neuroblastomas

  • Giuseppe Martucciello,
  • Federica Fati,
  • Stefano Avanzini,
  • Filippo Maria Senes and
  • Irene Paraboschi

17 March 2021

Cervicothoracic neuroblastomas (NBs) pose unique surgical challenges due to the complexity of the neurovascular structures located in the thoracic inlet. To date, two main techniques have been reported to completely remove these tumours in children:...

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