Speaker Recognition is one of current researching hotspots of speech signal processing, which has many advantaged superiority at identity authenticationfield.
说话人识别是当前语音信号处理的研究热点之一，它应用在身份认证领域具有得天独厚的优势。
2
Authentication technique based on digital fragile watermarking has gradually been one of the most important researches for its advantage in digital media authenticationfield.
基于数字易碎水印的认证技术因为更适合对数字图像进行认证，逐渐成为该领域的一个重要研究方向。
3
When the form is posted, the value of this field is compared to the value of the authentication key in session, to verify that the form submission was valid.