ABSTRACT In this paper we present a blind low frequency watermarking scheme on gray level images, which is based on…
Preamble-based SNR Estimation in Frequency Selective Channels for Wireless OFDM Systems
ABSTRACT Orthogonal frequency division multiplexing (OFDM) offers high data rates and robust performance in frequency selective channels by link adaptation…
23.Adaptive Fuzzy Filtering for Artifact Reduction in Compressed
Abstract: A fuzzy filter adaptive to both sample’s activity and the relative position between samples is proposed to reduce the…
DEVELOPMENT OF A NOVEL VOICE VERIFICATION SYSTEM USING WAVELETS
ABSTRACT This project presents a novel voice verification system using wavelet transforms. The conventional signal processing techniques assume the signal…
ECG signal denoising and baseline wander correction based on the empirical Mode decomposition
Abstract : The electrocardiogram (ECG) is widely used for diagnosis of heart diseases. Good quality ECG are utilized by physicians…
Adaptive DS-CDMA Receiver with Code Tracking in Phase Unknown Environments
In this paper, we propose and analyze a new non coherent receiver with PN code tracking for direct sequence code…
An Edge Guided Image Interpolation Algorithm via Directional Filtering and Data Fusion
Abstract: Preserving edge structures is a challenge to image interpolation algorithms that reconstruct a high resolution image from a low…
PAPR ANALYSIS OF DHT-PRE CODED OFDM SYSTEM FOR M-QAM
ABSTRACT : High Peak to Average Power Ratio (PAPR) is one of the major drawbacks in Orthogonal Frequency Division Multiplexing…
Compress Compound Images in H.264/MPEG-4 AVC by Fully Exploiting Spatial Correlation
ABSTRACT : Compound images consist of text, graphics and natural images, which present strong anisotropic features. It makes existing image…
Adaptive Active Constellation Extension Algorithm for Peak-to-Average Ratio Reduction in OFDM
Abstract: For PAR reduction in OFDM systems, the clippingbased Active Constellation Extension (ACE) technique is simple and attractive for practical…