The objective of the 2016 4th International Conference on Sensors, Mechatronics and Automation (ICSMA 2016) is to provide a forum for researchers, educators and engineers involved in the general areas of sensors, robotics, automation and sensors to disseminate their latest research results and exchange views on the future research directions of these fields. It will allow the attendees to interact and network within our multidisciplinary community that includes professionals from many branches of science and engineering.

The topics covered in the volume include Sensors and Their Applications; Smart Materials, Design, Processing and Smart Structures; Measurement Methods, Technologies and Their Applications; Intelligent Expert Systems and Intelligent Application Systems; Artificial Intelligence, Algorithms, Computation Methods and Their Applications; Mathematical Methods and Information Technologies in Industrial Engineering; Data, Text, Sound, Image, Signal and Video Processing and Technologies, and Their Applications; Measurement, Testing, Detection, Monitoring Technologies and Instruments; Mechatronics, Industrial Robotics, Automation and Control Technology; Computer Networks, Communication Technology and E-Commerce; Modern Electronic, Circuit Technology, Electrical; Software Applications and Development. The editors hope that those interested in the area of sensors and automation, enjoy the reading that reflects a wide range of topics. All papers have undergone the careful peer-review by expert referees to the professional and scientific standards before being selected for publications in these volumes. The total number of submitted papers is 385 and 135 were accepted.

There is a long list of individuals we would like to thank for their support in organizing this conference. We would also like to thank you all for attending and helping in making it a success. We wish you a productive and enjoyable conference and a wonderful stay in Shenzhen.

The Committee of ICSMA 2016