Preface

CMVIT 2020 was held in Sanya during Feb. 20 th -22 nd , 2020. 2020 4 th International Conference on Machine Vision and Information Technology (CMVIT 2020) is organized by Asia Pacific Institute of Science and Engineering. The conference provides a useful and wide platform both for display the latest research and for exchange of research results and thoughts in Machine Vision and Information Technology and other topics. The participants of the conference were from almost every part of the world, with background of either academia or industry, even well-known enterprise. The success and prosperity of the conference is reflected high level of the papers received. The proceedings are a compilation of the accepted papers and represent an interesting outcome of the conference. This book totally includes 83 papers and covers 5 chapters: 1. Systems, Models, and Algorithms; 2. Multimedia Information Systems with Human Centered Computing; 3. Computer Vision: Theory and Applications; 4. Signal, Image, and Video Process; 5. Ubiquitous Communications, 5G Technologies and Internet of Things. We would like to acknowledge all of those who supported CMVIT 2020. Each individual and institutional help were very important for the success of this conference. Especially we would like to thank the organizing committee for their valuable advices in the organization and helpful peer review of the papers. We sincerely hope that CMVIT 2020 will be a forum for excellent discussions that will put forward new ideas and promote collaborative researches. We are sure that the proceedings will serve as an important research source of references and the knowledge, which will lead to not only scientific and engineering progress but also other new products and processes. Prof. Irwin King The Chinese University of Hong Kong, Hong Kong S. A. R., China Conference Committee Chair