(The following topics include but are not limited to)
Topic 1: Measurement
3D optical measurement
surface topography 
Extreme measurement
Speckle measurement
LiDAR
Interferometric measurement
Online optical measurement
New theories and technologies in optical imaging and measurement
optical measurement
Optical sensors
Holographic measurement
Topic 2: Surveying and Mapping
Photogrammetry
Geodesy
surveying and mapping technique
Engineering surveying
Mining surveying
Precision surveying and mapping instruments
Principles and Applications
Digital mapping
Deformation monitoring data processing
digital image processing
Geographic Science
Cartography
Urban Spatial Informatics
Deformation and settlement engineering
Topic 3: Remote sensing
Environmental remote sensing
Optical remote sensing
Image data processing technology
Hyperspectral image processing
Remote sensing information extraction
Remote sensing data fusion
Big data analysis and processing
Global Positioning and Navigation System
synthetic aperture radar 
Classification and data mining techniques
Microwave remote sensing
Geographic Information Science
Planetary remote sensing and mapping