Research Article

Cognitive Load Assessment from EEG and Peripheral Biosignals for the Design of Visually Impaired Mobility Aids

Table 2

Descriptions and mobility challenges of the different indoor and outdoor scenes.

RouteIDSceneChallenges

OutdoorAShopping streetPeople, ads, chairs, tables, poles
BSmall streetPeople, poles, ads
CNarrow alleyPeople, chairs, tables, street ads, trash bins
DUrban parkPeople
EOpen spacePeople
FCrossing roadPeople
GCrossing streetPeople
HconstructionPeople

IndoorADoorAutomated doors (hinged and rotating)
BElevatorCalling the elevator, selecting floor
CCorridorPeople with noise, doors open suddenly
DOpen spacePeople
EStairsFind starting point of stairs