Content based image retrieval aims at searching the image databases using non-textual information which are low level features like color, shape and texture. Medical image databases contain lot of textual or semantic information. This paper presents an approach by combining low level content features and high level semantic features to perform retrieval on… (More)
Image enhancement is one of the most important issues in low-level image processing. Mainly, enhancement methods can be classified into two classes: global and local methods. Various enhancement schemes are used for enhancing an image which includes gray scale manipulation, filtering and Histogram Equalization (HE). Histogram Equalization (HE) has proved to… (More)
Face recognition plays a vital role in identification and for authentication purpose, in our day to day lives. In real time, this identification must be liable, perfect and faster. In this paper, face recognition approach using wavelet transform and Bayesian model is proposed, where the images have been recognized with minimal time and improved efficiency.
Multicast communication will be the communication paradigm of future networks. Secure multicasting is a challenging issue. The main objective of secure multicasting is to distribute the group key to the current members of the group in a scalable manner with minimum overheads. The key distribution methods can be either centralized or distributed. Of these,… (More)