Machine Vision and Printing Image Measurement and Control Technology**: Research on image processing, image inspection, and image analysis techniques in machine vision, as well as machine vision-based printing image quality and printing equipment measurement and control technologies and theories.
Digital Printing and Packaging Technology**: Focusing on information digitization technologies in the printing and packaging field, research on digital image halftone technology, image color management, image information hiding and anti-counterfeiting technology, and digital and networked production workflow technologies.