Research Article

A Smart Infrared Microcontroller-Based Blind Guidance System

Table 4

Comparison of different devices.

SystemPower consumptionRangePortabilityInvasivenessResponse timeEase of usage

The current suggested systemLowMediumYesNoninvasiveFastFriendly (no need for training)
NavBeltMediumLowNoNoninvasiveMediumNot friendly (needs training)
The white caneHighMediumNoInvasiveMediumNot friendly (needs training)
NAVIHighHighNoNoninvasiveSlowNot friendly (needs training)