Researcher Information - NOZAWA Akio |

NOZAWA Akio

Department / Course

Aoyama Gakuin University College of Science and Engineering Department of Electrical Engineering and Electronics

Job Professor

Academic conference presentation
1.	2026/02/16	Non‑contact blood‑oxygen saturation estimation from intensity changes in multiwavelength near‑infrared facial images (SPIE Medical Imaging 2026)
2.	2026/01/23	Blood Pressure Estimation Based on Asymmetric Sine Wave Model Residuals Optimized for PPG in 30fps Visible Camera Environment (The 31st International Symposium on Artificial Life and Robotics (AROB 2026))
3.	2026/01/22	Discrimination of Stress Coping Patterns Based on Spatial Autocorrelation Features of Near-Infrared Facial Image (The 31st International Symposium on Artificial Life and Robotics (AROB 2026))
4.	2026/01/22	Evaluation of Health Condition Based on Facial Skin Temperature Distribution Considering Occluded Regions Using Dimensionality Reduction Methods (The 31st International Symposium on Artificial Life and Robotics (AROB 2026))
5.	2026/01/22	Simultaneous Measurement of Muscle Blood Flow and EMG under Sub-threshold EMS (The 31st International Symposium on Artificial Life and Robotics (AROB 2026))
6.	2025/11/13	Discrimination of Stress Responses Based on Facial Images: A Comparative Study of Dimensionality Reduction Methods and Wavelength Bands (E-Health and Bioengineering Conference (EHB 2025))
7.	2025/10/15	Optimization of Image Selection for Independent Component Analysis in Thermal Face Image for Non-Contact Blood Pressure Estimation (2025 IEEE International Conference on Imaging Systems and Techniques)
8.	2025/09/12	Cross-correlation analysis of hemodynamic parameters and multispectral facial images in stress coping responce (生体医工学シンポジウム2025)
9.	2025/08	Prediction of Dialysis Related Hypotension by Facial Image Monitoring Using a Webcam (The 39th International Society of Blood Purification (ISBP) Congress)
10.	2025/06/28	Feature Extraction from Near-Infrared Facial Images for Chronic Stress Associated with Conference Presentations (IEEJ Technical Meeting on Medical and Biological Engineering)
11.	2025/06/28	Physical Condition Estimation Based on k-Nearest Neighbors Using Spatial Autocorrelation of Facial Thermal Images (IEEJ Technical Meeting on Medical and Biological Engineering)
12.	2025/06/06	Measurement of Muscle Blood Flow Changes Associated with EMS-Induced Muscle Contraction Using fNIRS and Thermography (The 64th Annual Conference of the Japanese Society for Medical and Biological Engineering)
13.	2025/03/05	Verification of the Physiological Effects of Music Cognitive Therapy Using Hemodynamic Indices (20th Spring Conference of the Japan Society of Kansei Engineering)
14.	2025/02/22	Corrected Thermal Imaging and VAE Anomaly Detection for Non-Contact Health Monitoring of Field Workers (18th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2025))
15.	2025/01/22	An Attempt to Estimate Resting Blood Pressure Using Low-Resolution TFI (The 30th International Symposium on Artificial Life and Robotics (AROB 2025))
16.	2025/01/22	Estimation of Stress-Responsive Hemodynamics Based on NIFI with Applied Dimensionality Reduction Methods (The 30th International Symposium on Artificial Life and Robotics (AROB 2025))
17.	2025/01/22	Exploring the Correlation Between Visible, Near-infrared, and Thermal Facial Images and Chronic Stress Indicators (The 30th International Symposium on Artificial Life and Robotics (AROB 2025))
18.	2024/12/11	An exploratory study of optimal wavelength bands for remote blood glucose estimation based on near-infrared spectral facial images (18th International Conference on Biomedical Engineering (ICBME 2024))
19.	2024/12/11	Driver Vital Signs Sensing on Near-Infrared Facial Images Using Deep Learning (18th International Conference on Biomedical Engineering (ICBME 2024))
20.	2024/11/22	Assessing Chronic Stress Using Self-Similar Features in Facial Thermal Images (KEER 2024)
21.	2024/11/22	Feature Extraction Based on Blood Pressure Fluctuation Mechanism in Visible and Near-Infrared Facial Images Using Sparse Coding (KEER 2024)
22.	2024/11/21	Familiarity-Based Categorization of Sound Field Context Constituting Atmosphere (KEER 2024)
23.	2024/11/12	Required Accuracy of Heartbeat Interval Measurements for Reliable HRV Feature Calculation (IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI’24))
24.	2024/09/14	Correction of Artifacts from Environmental Temperature and Time-of-Day Variations in Facial Thermography for Field Workers’ Health Monitoring (生体医工学シンポジウム)
25.	2024/08/28	Chronic Psychological Stress Assessment Method Using Near-Infrared Facial Imaging (2024 Annual Conference of Electronics, Information and Systems Society, IEEJ)
26.	2024/01/25	An exploratory study of regression methods for blood glucose estimation based on near-infrared facial images with wavelengths ranging from 760 nm to 1650 nm (29th International Symposium on Artificial Life and Robotics (AROB 29th 2024))
27.	2024/01/25	An exploratory study of regression methods for blood glucose estimation based on near-infrared facial images with wavelengths ranging from 760nm to 1650nm. (29th International Symposium on Artificial Life and Robotics AROB 29th 2024)
28.	2024/01/25	Regression Modeling Using Spatial Features in Facial Thermal Images for Chronic Stress Estimation (29th International Symposium on Artificial Life and Robotics AROB 29th 2024)
29.	2024/01/25	The Effect of Face Orientation on Facial Standardization Using FaceMesh Feature Landmarks in Facial Thermal Images (29th International Symposium on Artificial Life and Robotics AROB 29th 2024)
30.	2024/01/24	Generation of dimensionality-reduced facial thermal image space for stress coping responses (29th International Symposium on Artificial Life and Robotics AROB 29th 2024)
31.	2022/01/25	An optimization of anomaly detection algorithms considering diurnal variation in facial skin temperature using VAE (27th International Symposium on Artificial Life and Robotics (AROB 27th 2022))
32.	2022/01/25	Evaluation of the Effect of Environmental Temperature Variations on the Spatial Distribution of Facial Skin Temperature (27th International Symposium on Artificial Life and Robotics (AROB 27th 2022))
33.	2022/01/25	Physical Deconditioning Detection with the Spatial Distribution of Temperature and Color in the Face using Triplet Loss Function (27th International Symposium on Artificial Life and Robotics (AROB 27th 2022))
34.	2021/11/27	An attempt to construct a general model for resting blood pressure estimation using independent components of facial thermal images (International Conference on Intelligent Informatics and BioMedical Sciences (ICIIBMS 2021))
35.	2021/11/27	Causal structure analysis of physiological and psychological states on task engagement (International Conference on Intelligent Informatics and BioMedical Sciences (ICIIBMS 2021))
36.	2021/09/17	Evaluation of model performance for estimating resting blood pressure using independent components of facial thermal images (IEEE 19th International Symposium on Intelligent Systems and Informatics)
37.	2021/07/20	Physiological evaluation for task engagement regarding fatigue and refreshment (The 32nd International Congress of Psychology)
38.	2021/01/21	An attempt at spatial normalization of facial thermal images based on facial feature points (The 26th International Symposium on Artificial Life and Robotics)
39.	2021/01/21	Separation of circadian and acute-stress blood pressure variations on facial skin temperature distribution (The 26th International Symposium on Artificial Life and Robotics)
40.	2021/01/21	The effects of the jellied nutritional supplement intake on physiological and psychological states and behaviour: An exploratory study (The 26th International Symposium on Artificial Life and Robotics)
41.	2021/01/21	Threshold Selection Methods for Anomaly Detection of Facial Skin Temperature Using Variational Autoencorder (The 26th International Symposium on Artificial Life and Robotics)
42.	2020/09/21	Feature extraction for drowsiness detection using facial skin temperature distribution (15th Quantitative InfraRed Thermography conference 2020)
43.	2020/01/24	Construction of a general model for estimating blood pressure using independent components of facial skin temperature in consideration of the mechanism of variation (IEEE 18th World Symposium on Applied Machine Intelligence and Informatics)
44.	2020/01/23	Anomaly Detection in Thermal Face Images for Health Management (The 25th International Symposium on Artificial Life and Robotics 2020)
45.	2020/01/23	Derivation of Probability Distributions on Long-term Facial Infrared Images (The 25th International Symposium on Artificial Life and Robotics 2020)
46.	2019/11/23	Construction of Model for Estimating Blood Pressure Using Independent Components of Facial Skin Temperature Considering Time Variation (International Conference on Intelligent Informatics and BioMedical Sciences)
47.	2019/11/23	Influence of Daily Life Behavior with Listening to Music on Stress Structure (International Conference on Intelligent Informatics and BioMedical Sciences)
48.	2019/11/23	Model for non-contact Blood Pressure Measurement based on the Facial Feature Amount of Amplitude and Phase Analysis (International Conference on Intelligent Informatics and BioMedical Sciences)
49.	2019/01/24	Analysis of relationships between mechanism of variations in blood pressure and facial skin temperature distribution (The Twenty-Fourth International Symposium on Artificial Life and Robotics 2019)
50.	2019/01/24	Estimation of stress structure on daily life behavior using psychophysiological information (The Twenty-Fourth International Symposium on Artificial Life and Robotics 2019)
51.	2019/01/19	Evaluation of master-slave manipulator to operate from the first-person point of view (The Twenty-Second International Symposium on Artificial Life and Robotics 2017)
52.	2018/10/22	Causality analysis between emotions evoked by self-feedback and facial feature amounts (International Conference on Intelligent Informatics and BioMedical Sciences)
53.	2018/10/22	Face tracking based on temperature distribution of thermal images for real-time psychophysiological states evaluation using facial skin temperature (International Conference on Intelligent Informatics and BioMedical Sciences)
54.	2018/05/31	Influence of Different Characteristics of Air Flow on a Person’ s Sense Evaluation (ISASE-MAICS 2018)
55.	2018/03/28	副次課題を伴う家事行動のストレス構造分析 (2018年日本感性工学会春季大会)
56.	2018/01/18	A Contactless Blood Pressure Sensing Using Facial Thermal and Visible Images (The Twenty-Third International Symposium on Artificial Life and Robotics 2018)
57.	2018/01/18	Classification of hemodynamic response to verbal task: effect of task difficulty and task complexity (The Twenty-Third International Symposium on Artificial Life and Robotics 2018)
58.	2018/01/18	Extraction of Brain Wave Features for Cyclist Based on DAE (The Twenty-Third International Symposium on Artificial Life and Robotics 2018)
59.	2017/01/19	An enhancement of cardiac parasympathetic nervous activity by posture-respiration ambient biofeedback system - a pilot study (The Twenty-Second International Symposium on Artificial Life and Robotics 2017)
60.	2017/01/19	Blind source extraction of long-term physiological signals from facial thermal images (The Twenty-Second International Symposium on Artificial Life and Robotics 2017)
61.	2016/07/27	Verification of the generality in the process of 'encouragement' (31st International Conference of Psychology)