الفهرس Only 14 pages are availabe for public view
 |  | from | 128 |  |  |
| | | from | 128 | | |
Abstract
Steganography technique have recently become important in a number of application arease informally steganography efers to the practice of hiding secret message in communications over a public channel so that an cavesDROPper cannot ev en tell that a secret message is being sent.
numerical treatment of some pds via spectral and splin collecation methods.