Experimental Study of Concealment Data in Video Sequences MPEG-2
MPEG-2 uses video compression with loses based on the use of discrete cosine transformation (DCT) to small blocks of encoded image. As a result, there is range of factors, each of which corresponds to a frequency index of the encoded block. The human eye, due to natural approximation, does not perce...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Moscow Engineering Physics Institute
2011-03-01
|
| Series: | Bezopasnostʹ Informacionnyh Tehnologij |
| Subjects: | |
| Online Access: | https://bit.mephi.ru/index.php/bit/article/view/646 |