Learn More
In the finger-vein authentication, there are two problems in practice. One is that the quality of the vein image will be reduced under bad environment conditions; the other is the irregular distortion of the image caused by the variance of the finger poses. Both problems raise the error ratios. In this paper, we introduced a wide line detector for feature(More)
Personal identification based on finger vein patterns is a newly developed biometrics technique and several practical systems have been deployed recent years. We developed a finger vein verification system for checking attendance and have collected a database of 0.8 million finger vein samples. Based on the database, we proposed a person retrieval solution(More)
Finger vein recognition is a method of biometric authentication which is a promising biometric recognition technology used to recognize the individuals, to verify their identity and is one of many famous kinds of biometrics. With the increasing demand for fast and accurate biometric identification and matching solutions, researchers have been busy trying to(More)
Many researchers estimated the confidence interval of the evaluation index such as FMR and studied the relationship between the confidence interval width of FMR and sample size. In our research, we firstly indicated the relationship between confidence interval width w and sample size n by the equation: w^2=b1/n/n+b2/n. Apparently, the more test samples, the(More)
Before a biometrics system is implied, we evaluated its performance by testing data. While a test dataset, instead of the universal dataset, is used, the performance indices cannot be exactly accurate. Previous researchers have attempted, based on the estimation of the standard deviation, to determine the size of test dataset. Apparently, the larger test(More)
We found that the discrepancy between different finger vein templates of the same finger affects the identification results more seriously than the similarity of templates of different fingers does. Some areas on templates have stable values while some other areas are variable. We propose the Occurrence Probability Matrix (OPM), which is a property of a(More)
In a finger vein verification system, when running for a long time, the captured templates could be different from the registered ones because of the user habits changing, the devices ageing, and some other factors. The unsteady discrepancy between templates of the same finger affects the verification results seriously. Therefore, we design a templates(More)
  • 1