Evaluation of driver drowsiness by trained raters.

摘要: Drowsiness of vehicle operators is a major hazard in transportation systems, and methods need to be developed for practical evaluation drowsiness level. One suggested approach observer rating. Accordingly, an experiment was carried out using trained observer-raters evaluate the levels drivers, drivers' faces were recorded on videotape. Videotaped segments drivers at various stages presented two sessions separated by time interval one week. The directed determining test-retest reliability, interrater intrarater consistency. Results indicate that such ratings are reliable consistent. A subsequent shows covary with other known indicators drowsiness.