INFORMATICALT
2011
12 years 11 months ago
2011
Abstract. In this paper, the quality of quantization and visualization of vectors, obtained by vector quantization methods (self-organizing map and neural gas), is investigated. A ...
CORR
2010
Springer
13 years 1 months ago
2010
Springer
Scalar quantization is the most practical and straightforward approach to signal quantization. However, it has been shown that scalar quantization of oversampled or Compressively ...
ICMCS
2009
IEEE
13 years 2 months ago
2009
IEEE
In this paper, we motivate and introduce a novel vector quantization (VQ) scheme for distributing the quantization error among the quantized features of a continuous feature vecto...
ESANN
2008
13 years 6 months ago
2008
An initialization mechanism is presented for Kohonen neural network implemented in CMOS technology. Proper selection of initial values of neurons' weights has a large influenc...
CDC
2008
IEEE
13 years 11 months ago
2008
IEEE
—We consider state feedback stabilization of uncertain linear systems with quantization. The plant uncertainty is dealt with by the supervisory control framework, which employs s...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
In this paper, we introduce a novel vector quantization (VQ) scheme for distributing the quantization error equally among the quantized dimensions. Afterwards, the proposed VQ sch...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
In lossy image compression schemes utilizing the discrete cosine transform (DCT), quantization of the DCT coefficients introduces error in the image representation and a loss of s...