提出了一种基于DSP的指纹采集系统,主要介绍了系统的组成原理、硬软件电路设计与实现。
A kind of fingerprint acquisition system is presented based on DSP, in which composing, design and realization of hardware and software are introduced.
该系统包括指纹采集、指纹识别和指纹验证三个模块。
This system includes three modules: fingerprint collection, fingerprint identification and fingerprint verification.
通过自动调节指纹放电参数的方法,保证了指纹图像采集的质量,使系统的指纹识别率得到了进一步的保证。
The quality of fingerprint drawing is ensured by automatically adjusting the fingerprint discharge parameters, and the rate of fingerprint recognition is also guaranteed in the system.
自动指纹识别系统主要包括以下几个步骤:指纹图像采集、指纹图像前处理、细节特征提取、指纹图像匹配。
The fingerprint recognition system mainly concludes the following steps: collection of fingerprints, pre-processing of fingerprint image, minutiae extraction and fingerprint matching.
论文详细介绍了系统电路结构设计、功能设计、图像采集电路的实现,以及指纹预处理算法的处理流程和实现方法。
Paper introduces the designations of system circuitry, functions, images acquisition circuits and data preprocessing algorithm and processing flowchart in details.
设计中采用了双节点上传指纹图像的方法,提高指纹图像的采集速度,从而减少验证时间,增强系统的可用度。
In the design, we adopt the method of transferring the fingerprint in double-points, to raise the speed of collecting the drawings, to reduce the verify time, to strengthen the usability.
自动指纹识别系统一般包括指纹图像采集,预处理,特征提取和比对。
Automatic fingerprint identification system includes fingerprint image acquisition, image preprocessing, minutia extraction and minutia matching.
详细介绍了指纹采集仪用光栅在研制过程中,对原有光栅刻划机分度系统结构改造和重新设计,以及新的刻划工艺,它包括刻划方法、切削角度的调整、金刚石刀具刀尖夹角的确定和被刻划材料的选择。
The technologies include the ruling methods, the adjusting of the cutting angle, the selecting for the knife tip angle of the diamond cutter and the choosing of the materials being ruled.
文中针对MBF200采集到的指纹图像的特点,讨论了一种用于嵌入式系统的指纹图像预处理算法。
Aiming at the feature of fingerprint image acquired by MBF200, an algorithm of fingerprint image pretreatment used in embedded system is discussed in this paper.
文中针对MBF200采集到的指纹图像的特点,讨论了一种用于嵌入式系统的指纹图像预处理算法。
Aiming at the feature of fingerprint image acquired by MBF200, an algorithm of fingerprint image pretreatment used in embedded system is discussed in this paper.
应用推荐