2017 5th International Workshop on Biometrics and Forensics (IWBF) 2017
DOI: 10.1109/iwbf.2017.7935080
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Non-reference image quality assessment for biometric presentation attack detection

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Cited by 19 publications
(12 citation statements)
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“…From the latter table, we notice that there is a trend of getting best results when combining a larger number of IQM, confirming earlier results in this direction [5]. In order to look into this effect more thoroughly (and to clarify the role of the k-parameter in kNN classification), we have systematically investigated the results of the exhaustive classification scenarios in [6,8]. We found that combining more metrics and choosing k large leads to better results on average, whereas the top results are achieved when using three to six metrics depending on the considered data set.…”
Section: Experiments 1 -Results: Insupporting
confidence: 80%
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“…From the latter table, we notice that there is a trend of getting best results when combining a larger number of IQM, confirming earlier results in this direction [5]. In order to look into this effect more thoroughly (and to clarify the role of the k-parameter in kNN classification), we have systematically investigated the results of the exhaustive classification scenarios in [6,8]. We found that combining more metrics and choosing k large leads to better results on average, whereas the top results are achieved when using three to six metrics depending on the considered data set.…”
Section: Experiments 1 -Results: Insupporting
confidence: 80%
“…Table 1 shows the best metric combinations in the case of kNN-classification for the considered databases from an exhaustive search. On average, we could improve our results by 7% compared to the single measure results [6,8] and so most of the results are over 90%. From the latter table, we notice that there is a trend of getting best results when combining a larger number of IQM, confirming earlier results in this direction [5].…”
Section: Experiments 1 -Results: Inmentioning
confidence: 77%
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“…Bhogal et al [21] determined six picture quality measures to separate genuine biometric attributes from information as utilized in introduction assaults for order of genuine and fashioned iris. The most ideal decision of picture quality is subject to the dataset.…”
Section: Related Workmentioning
confidence: 99%
“…This is assuming that many image quality metrics are distorted by the display device or paper. Some researchers used individual quality-based features, while others used a combination of quality metrics to better detect spoofing and differentiate between bona-fide and attack iris [12,18,[53][54][55] or face [56][57][58] or both [59,60]. For example, Galbally et al [12] investigated 22 iris-specific quality features and used feature selection to choose the best combination of features that discriminate between live and fake iris images.…”
Section: Image Quality Analysismentioning
confidence: 99%