69 search results - page 5 / 14 » Correlation properties of quantization noise |
TIP
2002
13 years 7 months ago
2002
Abstract--We address the problem of computing a local orientation map in a digital image. We show that standard image gray level quantization causes a strong bias in the repartitio...
WINET
2002
13 years 7 months ago
2002
In this paper, the speed of Mobile Station (MS) is estimated based on the derivative and correlation properties of received wave envelope in additive noise and Rayleigh fading chan...
ICMCS
2007
IEEE
14 years 1 months ago
2007
IEEE
In [1], a novel method for identifying the source camera of a digital image is proposed. The method is based on first extracting imaging sensor’s pattern noise from many images...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract—In this contribution we present a numerical approach to evaluate the bit error rate and mutual information of OFDM links affected by transmitter nonlinearities, phase no...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
Abstract—This paper formulates and studies a general distributed field reconstruction problem using a dense network of noisy one-bit randomized scalar quantizers in the presence...