xiii Acknowledgment This book is made possible through the efforts of many people. We especially want to thank the authors of each chapter for contributing the results of their research work and expanding our understanding of aspects related to visual information processing in wireless sensor networks. We also wish to acknowl- edge the support of the editorial advisory board and the help of all who were involved in the collection and review process of this book. A special note of thanks goes to the staff at IGI Global. In particular, we would like to express our deepest appreciation to Michael Killian and Christine Bufton. Their edito- rial assistance and professional support, from the inception of the initial idea to final publication, have been invaluable. Li-minn Ang University of Nottingham (Malaysia Campus), Malaysia Kah Phooi Seng Sunway University, Malaysia