85 search results - page 6 / 17 » Spectral Techniques for Expander Codes |
ICIP
2001
IEEE
14 years 11 months ago
2001
IEEE
In this paper we propose a new watermarking technique where the watermark is embedded according to two keys. The first key is used to embed a code bit in a block of pixels. The se...
VLSISP
2002
13 years 9 months ago
2002
Until recently, the theory of noncoherent communications was premised on the use of orthogonal multi-pulse modulation such as frequency shift keying. The main drawback of this modu...
EJWCN
2010
13 years 4 months ago
2010
Abstract--Transmit diversity is necessary in harsh environments to reduce the required transmit power for achieving a given error performance at a certain transmission rate. In net...
EJASMP
2010
13 years 4 months ago
2010
In this paper, we re-visit an original concept of speech coding in which the signal is separated into the carrier modulated by the signal envelope. A recently developed technique, ...
MLMI
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. This paper proposes an analysis technique for wide-band audio applications based on the predictability of the temporal evolution of Quadrature Mirror Filter (QMF) sub-ban...