... Nonlinear Vibro-Acoustic Imaging for Non-Destructive Flaw Detection . ... The matter is that much larger gap and roughness for realistic boundaries of cracked defects may prevent development of nonlinear effects for small vibration amplitudes in high frequency range. ... A scanning laser vibrometer is used for measuring the local vibration spectra. Resonant field patterns of the sample have to be avoided because local vibration knots appear as "dark areas" in both linear and nonlinear images. ...
... Introduction, image recognition problem 2. ... The first security application 6. ... We use, at first, as the training sample, the following set (see fig. below): [pic] The RBF neural network with L2 -metrics after training on this small set was enabled to recognize without errors specially distorted faces from the same set (see the next picture) [pic] However, as soon as we decided to apply our RBF net to 400 images set from the famous Cambridge face database, our neural net began to mix up faces. ...
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Ссылки http://acat02.sinp.msu.ru/presentations/ososkov/ACATOsoskov.doc -- 1677.5 Кб -- 08.07.2002 Похожие документы
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