1.1 The Development of Image Engineering1.1.1 Review of Basic Concepts and Definitions1.1.2 An Overview of a Closed Image Technology Survey1.1.3 A New Image Engineering Survey Series1.2 Image Understanding and Related Disciplines1.2.1 Image Understanding1.2.2 Computer Vision1.2.3 Other Related Disciplines1.2.4 Application Domains of Image Understanding1.3 Theory Framework of Image Understanding1.3.1 The Visual Computational Theory of Marr1.3.2 Improvements for Marr’s Theoretical Framework1.3.3 Discussions on Marr’s Reconstruction Theory1.3.4 Research on New Theoretical Frameworks1.4 Overview of the Book1.5 Problems and Questions1.6 Further Reading