What is study helper?
Module 1: history data
we recorded work state data with camera in the past a few weeks since the project start, though it is not consecutive through the all the past days, it covered most days in the past month. The work state is represented by perclos value, which by definition is the close eye frames counts divided by all valid detected frames counts and can be use to present one person’s fatigue degree, which is supported by a lot of literatures.
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Module 2: real time data
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