A New JPEG Tolerance Detector System for Image Authentication
碩士 === 玄奘大學 === 資訊管理學系碩士班 === 93 === In this thesis, we first propose a DCT-based image authentication approach which can survive JPEG lossy compression. In our approach, the image feature is calculated and then embedded into DCT middle frequency domain by our proposed quantization properties. The e...
Main Authors: | , |
---|---|
Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2005
|
Online Access: | http://ndltd.ncl.edu.tw/handle/91716288967815017475 |