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GPR has been used routinely in Saskatchewan, Canada, potash mines for nearly forty years. In general, the purpose of GPR surveys in potash mines is to map the salt-bed stratigraphy above and below the mined-out rooms. The stratigraphy in the Saskatoon, Saskatchewan area mines consists of a series of salt and potash beds separated by well-known and regionally distributed planar clay seams. The salt-beds...
Operationen führen in der Regel zu einer Durchtrennung der Haut (Ausnahmen: Flachexzision, Kürettage, Dermabrasion) und damit zu einer Defektheilung mit Narbenbildung. Jeder Patient wünscht sich als Ergebnis einer Operation eine möglichst unsichtbare Narbe, egal ob am Bauch, nach einer Blinddarmoperation oder im Gesicht nach Entfernung eines Muttermals. Liegen infolge Krankheiten, Verbrennungen, Verletzungen...
We propose a novel method for fingerprint liveness detection, which is based on the analysis of fine movements of the fingertip surface, which are induced by volume changes due to the blood flow. Our method can be implemented in combination with standard optical fingerprint scanners. We present some background information on fingerprint liveness detection such as already proposed methods for liveness...
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