Undergraduate unified recruitment refers to the educational policy of selecting outstanding college graduates to enter undergraduate study in the form of unified recruitment, which is the general name of the Ministry of Education for ordinary undergraduate, ordinary junior college and fresh junior college.

The exam for the unified examination is generally once a year. After the expiration of the study period, all subjects are qualified, and the undergraduate colleges will issue the general undergraduate diploma. After graduation, students' first degree is undergraduate.

Face Detection is a book published by Shanghai Jiaotong University Press in 2006. This book was written by Huang Fuzhen and Su Jianbo. This book comprehensively introduces the basic problems, research ideas and methods, classical algorithms and technologies of face detection, then introduces some research results of the author, and finally points out the future development direction of this field.