a wavelet-based face image compression method A face is usually used for person identification, thus a face image is often put on the ID card to do verification. However, there is risk when the card is lost, the picker may replace the face image and use it for malicious purpose. To avoid this situation, a face image can be stored in a magnetic bar code or a 2D code [1-2], instead of putting it on the card directly. Through this way, even the card is lost, nobody can use it since he/she can not replace the face image without...英语论文网 【http://www.51lunwen.org】
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