Online Signature Verification For Log On Of Tablet PC

With the development of economy and technology, how to verify personal identity precisely and how to protect the security of information is a critical problem which is expected to be solved in the information times today. In the traditional way of using log-on password, one should memorize a long sequence of password which satisfies some complexity rules. However, once the password is stolen, there's no promise to the security of the computer system. The widely use of Tablet PC brings the innovation of handwriting input method and forces the next generation operating system to develop. Log-on verification based on handwritten signature becomes one of the essential parts of next generation operating system.Online signature verification is an important branch of biometrics with its own characters. First, handwritten signature is a motion character which is widely accepted by people. Second, the device for handwritten signature collection is cheaper than that for iris collection. Third, as a motion character, handwritten signature is harder to forge than physical characters of human...