Lectures: The lectures for undergraduates are digital image processing and analysis and information theory; The main course of master students is digital image processing. Research interests: image processing and analysis, image security communication. In recent years, he has presided over and studied scientific research and educational reform projects: since 2006, as a moderator, * * * has undertaken 6 projects, including provincial and ministerial level 1 project, 2 bureau-level projects and Hebei Natural Fund 1 project (ranking second). Among them, there are three appraisal projects, and the two appraisal results have reached the international advanced level. 1, presided over the scientific and technological support project of Hebei Science and Technology Department, Research and Application of Orthopedic X-ray Image Automatic Interpretation System Based on Intelligent Recognition 2006-2009 (appraised) 2, presided over the project of Hebei Education Department, Research on Image Encryption and Hiding Technology Based on Chaotic Sequences 2007-2009 (appraised) 3, He is in charge of the doctoral foundation project of Hebei University "Research on Fracture Image Understanding Technology Based on Feature Recognition" from 2006 to 2008 (the main research has been identified (ranked second). The natural science foundation project of Hebei Province "Research on low-voltage power line carrier channel modeling based on chaotic fractal theory" from 20 to 200911(under study) 5. Responsible for the project of Hebei Provincial Department of Education "Research on Medical Image Segmentation Method Based on Local Regional Information Level Set" 20 1 2012 (under study) 6. Responsible for the open-end fund project (BM 2065438* * as the author of issue1,publishing papers 19, Kevin Z, Sun, Zhang, Ma Zepeng. Medical image segmentation based on improved geodesic model. Computer engineering and its application. Volume 47, No.22, 2011.180-182. (Phase II) (Author 1 Chen Lixia. Wavelet packet image hiding combined with singular value decomposition. Computer engineering and its application. Volume 46,No. 19 2010.170-172,192. (second issue) (author 1). Chen. Level set medical image segmentation method based on local area information. Computer engineering and its application. Volume 46, No.365438+0.2010.209-211.245. (second-class periodical) (author number 1) Chen Lixia. Image encryption algorithm based on encrypted chaotic matrix group. Communication technology. Volume 42,No. 1 1, 2009. 176- 177, 18 1. (Author 1 Kang. Segmentation method of low contrast x-ray image based on gradient. Communication technology. Vol. 42,No. 1, 292-294, 2009. (AuthorNo. 1) Kevin Z, Wang Fang and Cui Yueli. A survey of image compression coding based on wavelet transform. Communication technology. Volume 465438.