Jianzhong Fan

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Fingerprint classification is crucial to reduce the processing time in a large-scale database. In this paper a fingerprint classification based on continuous orientation field and singular points is proposed. The continuous orientation field can not only filter the noises in point directional image,but also represent the basic structural feature of(More)
To achieve higher education internationalization and cultivate the more new inter-disciplinary talents, it is necessary to implement bilingual teaching in computer speciality. How to further improve bilingual teaching and push the work to a higher level from its current situation is currently an important subject to be discussed in the reformation of(More)
Data Structure is the core course in the computer specialty, which aims to cultivate undergraduates' abilities of selecting appropriate data structures to develop high quality application programs. CDIO teaching model has already become one of hotspots and effective solutions to improve teaching quality and teaching effect. By learning advanced CDIO model(More)
Shigellosis is the most common cause of gastrointestinal infections in developing countries. In China, the species most frequently responsible for shigellosis is Shigella flexneri. S. flexneri remains largely unexplored from a genomic standpoint and is still described using a vocabulary based on biochemical and serological properties. Moreover, increasing(More)
Segmentation is an important step in a fingerprint recognition system. Different methods have been proposed for fingerprint segmentation. In this paper, some of the most important segmentation methods are introduced and an improved adaptive threshold algorithm based on multiple features is introduced and implemented. Morphology technology is applied as post(More)
In order to meet the requirements from the enterprises and enhance employability of students of computer science. This paper gives the model for developing the innovative ability of applied computer undergraduates based on CDIO. Guiding by computer application professional demand, referencing to international advanced CDIO engineering education idea and(More)
This paper addresses the problem of reconstructing implicit surface from scatter point cloud with noises. We introduce a filtering operator based on improved trilateral filter, which can reduce noise effectively, while preserving sharp feature. The filtered data points are divided into subdomains using an adaptive octree subdivision method, and a local(More)
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