摘要
掌纹识别一般的预处理过程,是通过图像二值化、边缘检测、子图截取等步骤,获取掌纹感兴趣区域(RIO),截取掌纹子图。给出一种基于最大内切圆的子图截取算法,并对该算法进行优化,通过平移和旋转校正,得到掌纹RIO区域子图。
This paper describes a general pre-palmprint identification process,through image binaryzation,edge detection,interception and other sub-graph steps,acquire palm region of interest（RIO）,interception of palm sub-graph.Emphasis is given based on the largest inscribed circle of the sub-graph intercept algorithm and the algorithm is optimized,through the translation and rotation correction,to get palm RIO region subgraph.
出处
《金华职业技术学院学报》
2010年第3期73-76,共4页
Journal of Jinhua Polytechnic
关键词
掌纹识别
预处理
最大内切圆
子图截取
定位
palm print recognition
pretreatment
the largest inscribed circle
subgraph interception
location
