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The quantification of fingerprint quality using a relative contrast index

The quantification of fingerprint quality using a relative contrast index . ?.?.???????? ?????? 51312337. introduction. Quality assessment methods. The contrast index. contrast index ??? : contrast index = log10 (V/R) V ??? ???????????????????????????????????????

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337 views • 24 slides

The quantification of fingerprint quality using a relative contrast index

The quantification of fingerprint quality using a relative contrast index. ?.?.???????? ?????? 51312337. introduction. Quality assessment methods. The contrast index. contrast index ??? : contrast index = log10 (V/R) V ??? ???????????????????????????????????????

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247 views • 24 slides

The User and Biometric System Uncertainty

Mary Theofanos. The User and Biometric System Uncertainty. International Workshop on Usability and Biometrics June 23- 24, 2008. The field of biometrics has tested, measured and reported performance statistics independent of the user Error Bounds are defined as combination of:

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189 views • 10 slides

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Fingerprint quality - PowerPoint PPT Presentation

The quantification of fingerprint quality using a relative contrast index

The quantification of fingerprint quality using a relative contrast index

The User and Biometric System Uncertainty