**Meet the editor**

Rastislav Róka was born in Šaľa, Slovakia, on January 27, 1972. He received his MSc and PhD degrees in Telecommunications from the Slovak University of Technology, Bratislava, in 1995 and 2002. Since 1997, he has been working as a senior lecturer at the Institute of Multimedia Information and Communication Technologies, Faculty of Electrical Engineering and Information

Technology, Slovak University of Technology, in Bratislava. Since 2009, he has been working as an associate professor at this institute. His teaching and educational activities are realized in areas of fixed transmission media, designing and planning of telecommunication networks, and optocommunication transmission systems. At present, his research activity is focused on signal transmission through optical transport, metropolitan, and access networks using advanced optical signal processing, including various multiplexing, modulation, and encoding techniques. His main effort is dedicated to effective utilization of optical fiber's transmission capacity in broadband optical networks by means of dynamic bandwidth and wavelength allocation algorithms applied in various advanced hybrid passive optical network infrastructures.

Contents

**Preface VII**

Chapter 1 **Introductory Chapter: Life Improving Advances in**

Chapter 2 **Walking Support System with Users' Circumstances 9**

Chapter 3 **Vision-Based Tactile Paving Detection Method in Navigation Systems for Visually Impaired Persons 29**

Chapter 4 **Micro-Inertial-Aided High-Precision Positioning Method for**

Chapter 5 **Optimization of NOE Flights Sensors and Their Integration 71** Tamilselvam Nallusamy and Prasanalakshmi Balaji

Lianwu Guan, Xu Xu, Yanbin Gao, Fanming Liu, Hanxiao Rong,

**Small-Diameter PIG Navigation 49**

Meng Wang and Aboelmagd Noureldin

Anuar Bin Mohamed Kassim, Takashi Yasuno, Hiroshi Suzuki, Mohd Shahrieel Mohd Aras, Ahmad Zaki Shukor, Hazriq Izzuan Jaafar and

Kana Naitou and Kayoko Yamamoto

**Navigation Systems 3**

**Section 2 Human Navigation Systems 7**

Rastislav Róka

Fairul Azni Jafar

**Section 3 Machine Navigation Systems 47**

**Section 1 Introduction 1**
