| 1. | The algorithm of fingerprint enhancement base on dynamic direction 基于动态方向场的指纹图像增强算法 |
| 2. | The paper emphasizes the computing algorithm of orientation field 因此,本文着重研究了方向场的计算。 |
| 3. | And a direction field graph of the original image was also drawn 由锲特征得到方向场图来描述整幅图像。 |
| 4. | Classification approach of half - region fingerprint based on orientation field 基于方向场的半区域指纹分类方法 |
| 5. | In order to solve this difficulty , this paper provided a new sliding window computing method , which is based on vision and statistic information 针对这一问题,本文提出了基于视觉信息与统计信息的滑动窗口方向场计算方法。 |
| 6. | We first realize the classical fingerprint classification algorithm based on directional field and analyze the experiment data 我们首先研究和实现了目前较为常用的基于方向场计算的指纹分类算法,并结合实际指纹给出了实验及其分析。 |
| 7. | In this paper , fingerprint orientation field , which is a globe feature of fingerprint , has been adopted to identify fingerprint combining synergetics identification method 本文尝试利用指纹图的全局特征?指纹方向场信息,结合协同识别技术,进行指纹协同识别方法的研究。 |
| 8. | Tests have been carried on traditional methods for orientation computing . the results have shown that the orientation field calculated is not precise , the algorithms not robust , and computing speed not fast 对现有的方向场计算方法进行了编程实验,发现这些算法的计算结果不够准确,算法鲁棒性差,计算速度慢。 |
| 9. | During the procedure of fingerprint image processing , the calculation of orientation plays the key role , almost all of the following steps rely on its results . it decides the system ' s performance 在指纹信息处理中,指纹图像方向场的计算是非常关键的,其后几乎的所有工作都离不开方向信息,方向场计算的准确与否关系到整个系统的性能。 |
| 10. | To research the texture with these ways are a relative new subject . and it is novel to plot the fracture development with direction field . to express the texture with a clear way for material research has a significant meaning 针对同一类断口纹理的研究还相对比较新,方向场的运用使得表达更直观,纹理分析与材料综合分析是本文的创新之处。 |