节点文献
一种新钞票纸张的离焦识别新方法
A new banknote sheet recognition method based on defocused imaging technique
【摘要】 本文提出了一种采用离焦技术有效获取一捆新钞纸张信息的光学信息处理方法。给出了由光学离焦引起的光学低通滤波的数学解析描述。并用实验证明了光学离焦对钞票纸张识别的有效性和准确性
【Abstract】 A new optical method used for acquiring information from defocused image of new banknote is presented.An analytical description of the low-pass optical filtering performed by defocused imaging is established.The effectiveness and correctness of the new banknote recognition method are verified in experiment.
【关键词】 离焦;
显微成像;
CCD;
DSP;
图像识别;
【Key words】 defocusing; microscopic imaging; CCD; DSP; image recognition;
【Key words】 defocusing; microscopic imaging; CCD; DSP; image recognition;
【基金】 四川省攻关项目 ( 0 2GG0 10 -0 10 )资助
- 【文献出处】 激光杂志 ,Laser Journal , 编辑部邮箱 ,2004年06期
- 【分类号】TP274
- 【被引频次】9
- 【下载频次】124