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ISCAS
2007
IEEE
84views Hardware» more  ISCAS 2007»
15 years 4 months ago
Blue-Noise Sigma-Delta Modulator: Improving Substrate Noise and Nonlinear Amplifier Gain Effects
— This paper presents a method to reduce the effects of substrate noise and nonlinear amplifier gain on sigma-delta (Σ∆) modulators through the use of blue-noise modulation. I...
Eric C. Moule, Zeljko Ignjatovic
ICIP
2001
IEEE
15 years 11 months ago
Compression color space estimation of JPEG images using lattice basis reduction
Given a color image that was quantized in some hidden color space (termed compression color space) during previous JPEG compression, we aim to estimate this unknown compression co...
Ramesh Neelamani, Ricardo L. de Queiroz, Richard G...
ICIP
2009
IEEE
15 years 10 months ago
Dequantizing Compressed Sensing With Non-gaussian Constraints
In this paper, following the Compressed Sensing (CS) paradigm, we study the problem of recovering sparse or compressible signals from uniformly quantized measurements. We present ...
DCC
1999
IEEE
15 years 2 months ago
Quantized Frame Expansions as Source-Channel Codes for Erasure Channels
Quantized frame expansions are proposed as a method for generalized multiple description coding, where each quantized coe cient is a description. Whereas previous investigations h...
Vivek K. Goyal, Jelena Kovacevic, Martin Vetterli
SIGPRO
2002
77views more  SIGPRO 2002»
14 years 9 months ago
The normalized least-squares order-recursive lattice smoother
This paper introduces a variance- and angle-normalized version of the least-squares order-recursive lattice (LSORL) smoother, say the normalized LSORL smoother, via a geometric ap...
Dong Kyoo Kim, PooGyeon Park