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Finger-vein Sample Compression in Presence of Pre-Compressed Gallery Data
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Datum
2018
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Verlag
Köllen Druck+Verlag GmbH
Zusammenfassung
Compression settings for sample (probe) finger vein data in case of already pre-compressed
gallery data are investigated. Inhomogeneous compression scenarios are assessed where probe data
can be compressed with different compression technique and compression ratio compared to gallery
data using 4 lossy compression schemes, 2 finger vein recognition schemes, and 2 data sets. Results
obtained indicate that in case of JPEG2000 pre-compressed gallery, also sample images should
be compressed in the same manner, while for JPEG pre-compressed gallery, the optimal sample
compression setting depends on the dataset, on the target compression ratio, and on the recognition
scheme employed.