New PDF release: A first course in coding theory

By Raymond Hill

ISBN-10: 0001000101

ISBN-13: 9780001000100

ISBN-10: 0198538030

ISBN-13: 9780198538035

ISBN-10: 0198596170

ISBN-13: 9780198596172

ISBN-10: 9876543210

ISBN-13: 9789876543217

Algebraic coding conception is a brand new and swiftly constructing topic, renowned for its many useful purposes and for its fascinatingly wealthy mathematical constitution. This ebook offers an basic but rigorous advent to the speculation of error-correcting codes. in line with classes given via the writer over numerous years to complicated undergraduates and first-year graduated scholars, this consultant incorporates a huge variety of workouts, all with recommendations, making the booklet hugely compatible for person learn

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Some biometrics, such as retinal patterns, can be difficult to capture without the use of sophisticated equipment and from an uncooperative victim. In addition, the liveness testing techniques often used for determining whether the biometric data detected by the sensors belongs to a real, living person and is not a spoof, can also further complicate the attack. For example, some fingerprint–based systems verify the presence of the pulse in the finger placed on the reader in order to help prevent attacks involving the use of fake fingers with spoofed print patterns.

Fingerprint sensors may occasionally pick up dust, dirt, and other unwanted particles that affect their ability to capture a clean fingerprint image. Non-uniform and inconsistent contact resulting from physical damages to the sensor plates can lead to poor samples and feature extraction artifacts during image processing. • Smaller sensor size. As the cost and size of fingerprinting decreased, many sensors have been already embedded into today’s mobile devices, such as smart phones, PC tablets, personal digital assistants (PDAs), etc.

5 shows some sample iris images. This is definitely an advantage over other biometric-based methods where the operator is required to make physical contact with a sensing device (like fingerprint scanners) or otherwise take some special action (recite a specific phonemic sequence for voice recognition). In 1936, ophthalmologist Frank Burch proposed the concept of using iris patterns as a method to recognize an individual [35]. In 1985, ophthalmologists Leonard Flom and Aran Safir proposed the concept that no two irises are alike.

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A first course in coding theory by Raymond Hill

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