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Hyperspectral analysis is employed in many different areas, such as medicine, environmental studies, security and forensics. Focusing on law enforcement, ink discrimination has become an important factor for the detection of fraudulent documents. This paper proposes an approach for ink analysis in handwritten documents and pen verification using hyperspectral analysis and Least Square SVM classification...
The determination of the density of cryogenic liquids, particularly those that represent mixtures of two or more components, is difficult and yet of considerable practical importance. The difficulties arising from carrying out high precision measurements at cryogenic temperatures are well known and need not be reviewed here. The practical importance of the results obtained with these measurements...
A powerful new diagnostic tool employing a Q-switched laser has been developed for the study of very high speed events in dielectrics. In an early experiment, it has been possible for the first time to study in detail cavity formation and growth in n-hexane under uniform field conditions immediately before breakdown. The results show that cavities play a vital initiation role in electrical breakdown,...
The importance of particulate charge carriers in insulating liquids has been known for some time. It has been shown1 that many conductivity measurements can be explained on the basis of particulate carriers shuttling charge back and forth between electrodes. It has also been postulated that particulates may have an effect on the mechanism of electrical breakdown in insulating liquids.
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