| 1 | ||
| Researcher: | Ravi Kumar | |
| Guide: | Vadlamani Ravi | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | Reversible data hiding in grayscale images using prediction error expansion based techniques | |
| Researcher: | Ravi, Uyyala. | |
| Guide: | Rajarshi Pal. | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | B. Ravi Kumar | |
| Guide: | Murti P.R.K | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||