1.1 Background and Significance1.1.1 Background of Subpixel Mapping1.1.2 Significance of Subpixel Mapping1.2 Research Status of Subpixel Mapping1.2.1 Initialize-Then-Optimize Subpixel Mapping1.2.2 Soft-Then-Hard Subpixel Mapping1.2.3 Other Types of Subpixel Mapping1.2.4 Research Status of Super-Resolution Technology1.3 Problems in Subpixel Mapping1.4 Main Research Contents and Chapter ArrangementReferences