# Hiroshi Nakajima

**Type:** Researchers  
**Canonical URL:** https://scholariq.org/researchers/hiroshi-nakajima/

## Facts

| Field | Value |
| --- | --- |
| Citations | 2,230 |
| Field | Non-Invasive Vital Sign Monitoring |
| h-index | 23 |
| i10-index | 51 |
| Last Known Institution | Omron (Japan) |
| OpenAlex ID | https://openalex.org/A5101403794 |
| ORCID iD | 0000-0002-7274-3490 |
| Works | 247 |

## Researcher papers

- [An Effective Approach for Iris Recognition Using Phase-Based Image Matching](https://scholariq.org/papers/an-effective-approach-for-iris-recognition-using-phase-based-image-matching/)
- [A Fingerprint Matching Algorithm Using Phase-Only Correlation](https://scholariq.org/papers/a-fingerprint-matching-algorithm-using-phase-only-correlation/)
- [We learn better together](https://scholariq.org/papers/we-learn-better-together/)
- [3D face recognition using passive stereo vision](https://scholariq.org/papers/3d-face-recognition-using-passive-stereo-vision/)
- [Emotion model for life-like agent and its evaluation](https://scholariq.org/papers/emotion-model-for-life-like-agent-and-its-evaluation/)
- [The Case for Caring Colearners: The Effects of a Computer-Mediated Colearner Agent on Trust and Learning](https://scholariq.org/papers/the-case-for-caring-colearners-the-effects-of-a-computer-mediated-colearner/)
- [A longitudinal large-scale objective sleep data analysis revealed a seasonal sleep variation in the Japanese population](https://scholariq.org/papers/a-longitudinal-large-scale-objective-sleep-data-analysis-revealed-a-seasonal/)
- [A Wearable Healthcare System With a 13.7 <formula formulatype="inline"><tex Notation="TeX">$\mu$</tex> </formula>A Noise Tolerant ECG Processor](https://scholariq.org/papers/a-wearable-healthcare-system-with-a-13-7-and-lt-formula-formulatype-inline-and/)
- [Seasonal variation in home blood pressure: findings from nationwide web-based monitoring in Japan](https://scholariq.org/papers/seasonal-variation-in-home-blood-pressure-findings-from-nationwide-web-based/)
- [Fuzzy database language and library-fuzzy extension to SQL](https://scholariq.org/papers/fuzzy-database-language-and-library-fuzzy-extension-to-sql/)
- [Evaluating Worker's Proficiency from Body and Eye Movements in Manufacturing Operations](https://scholariq.org/papers/evaluating-worker-s-proficiency-from-body-and-eye-movements-in-manufacturing/)
- [Automated worker skill evaluation for improving productivity based on labeled LDA](https://scholariq.org/papers/automated-worker-skill-evaluation-for-improving-productivity-based-on-labeled/)

## Researcher topics

- [Non-Invasive Vital Sign Monitoring](https://scholariq.org/topics/non-invasive-vital-sign-monitoring/)
- [Heart Rate Variability and Autonomic Control](https://scholariq.org/topics/heart-rate-variability-and-autonomic-control/)
- [Context-Aware Activity Recognition Systems](https://scholariq.org/topics/context-aware-activity-recognition-systems/)
- [Global Public Health Policies and Epidemiology](https://scholariq.org/topics/global-public-health-policies-and-epidemiology/)
- [EEG and Brain-Computer Interfaces](https://scholariq.org/topics/eeg-and-brain-computer-interfaces/)

## Researcher university

- [Omron (Japan)](https://scholariq.org/institutions/omron-japan/)

---
Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.