Research Article
A Smart Infrared Microcontroller-Based Blind Guidance System
Table 4
Comparison of different devices.
| System | Power consumption | Range | Portability | Invasiveness | Response time | Ease of usage |
| The current suggested system | Low | Medium | Yes | Noninvasive | Fast | Friendly (no need for training) | NavBelt | Medium | Low | No | Noninvasive | Medium | Not friendly (needs training) | The white cane | High | Medium | No | Invasive | Medium | Not friendly (needs training) | NAVI | High | High | No | Noninvasive | Slow | Not friendly (needs training) |
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