Visual Search in Operational Environments

Speed, Ann

doi:10.1007/978-3-319-20816-9_51

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2019

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“…Gramopadhye et al (1997) focus on importance of visual inspection and the principles of effective training. Speed (2015) summarizes the issues associated with quantifying expert, domain-specific visual search behavior in operationally realistic environments.…”

Section: Introductionmentioning

confidence: 99%

Application of hidden Markov models to eye tracking data analysis of visual quality inspection operations

Ulutas

Ozkan

Michalski

2019

Cent Eur J Oper Res

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Visual inspection is used in many areas due to the potential high costs of inspection error such as injury, fatality, loss of expensive equipment, scrapped items, rework, or failure to procure repeat business. This study presents an application of hidden Markov models (HMM) to fixations' sequences analysis during visual inspection of front panels in a home appliance facility. The eye tracking data are gathered when quality control operators perform their tasks. The results support the difference between expert and novice operator. Moreover, the article demonstrates four HMMs with two and three hidden states both for novice and experienced operators and provides analysis and discussion of the outcomes. Keywords Human factors • Visual inspection • Human visual behavior • Hidden Markov models • Eye tracking technology B Rafał Michalski

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Section: Introductionmentioning

confidence: 99%