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 Introduction to Biometrics
A number of crucial societal applications like international border crossing, electronic
commerce, and welfare disbursement require reliable person recognition systems.
Traditional person authentication methods based on passwords and identity
documents often fail to meet the stringent security and performance demands of
these... | | | | |
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Handbook of Modern Sensors: Physics, Designs, and Applications
Seven years have passed since the publication of the previous edition of this book.
During that time, sensor technologies have made a remarkable leap forward. The
sensitivity of the sensors became higher, the dimensions became smaller, the selectivity
became better, and the prices became lower. What have not changed are the... | | Information Security for Automatic Speaker Identification
Speaker identification is a widely used technique in several security
systems. In remote access systems, speaker utterances are recoded and
communicated through a communication channel to a receiver that performs the
identification process. Speaker identification is based on characterizing each
speaker with a set of features... | | CMOS Current Amplifiers: Speed versus Nonlinearity
The development of modern integration technologies is normally driven by the needs
of digital CMOS circuit design. As the sizes of integrated devices decrease, so maximum
voltage ratings also rapidly decrease. Although decreased supply voltages do not
restrict the design of digital circuits, it is harder to design high performance... |
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