Character Decompositions (2002)
S H Srinivasan, K R Ramakrishnan, Suvrat Budhlakoti
Several decomposition formats exist for image data: principal components, independent components, non-negative components, etc. These decompositions have been applied mainly to natural image data. In...
A Dual Watermarking Technique for Images (2002)
Saraju P. Mohanty, K. R. Ramakrishnan, Mohan Kankanhalli
Digital watermarking is the technique in which a visible/invisible signal (watermark) is embedded in a multimedia document for copyright protection. In this paper, we propose a watermarking scheme...
A DCT Domain Visible Watermarking Technique for Images (2002)
Saraju P. Mohanty, K. R. Ramakrishnan, Mohan S Kankanhalli
The growth of computer networks has boosted the growth of the information technology sector to a greater extent. There is a trend to move from conventional libraries to digital libraries. In the...
Saraju P. Mohanty, K. R. Ramakrishnan, Mohan S Kankanhalli
At present, with the growth of computer networks and information technology there is a trend to move from conventional libraries to digital libraries. In the digital libraries images and texts are...
Vector quantization of excitation gains in speech coding (2000)
Krishna, K, Murty, V L N, Ramakrishnan, K R
In this paper, we consider vector quantization of excitation gains in code-excited linear predictive (CELP) speech coder using the average error in reconstruction of the excitation signal as the...