In fact that the histogram equalization and successive mean
quantization transform algorithms calculate all pixels new in the picture, the computing time is given in [10.sup.-9] sec/pixel (ns/pixel).
In this paper, we refer to as Normalized Correlation based
Quantization Index Modulation (NCQIM) Combined with Least Significant Bit (LSB) and Code Division Multiple Access (CDMA) techniques that is, in general, many specific situations optimal.
Figure 3 (a), (b) and (c) are the effect drawings with bilateral filter whose iteration number is 8, and soft
quantization level is 8, 10, and 12 respectively.
apply
quantization to select N colors / select reference points optimize mass-spring system apply interpolation using transformed reference points The mass-spring optimization allows both for a short computation time, and a more natural looking result, due to the fact that this method does not affect colors that are perceived the same by trichromats and dichromats.
In order to achieve constant Signal to
Quantization Noise Ratio (SQNR) in the wide range of input variances, quasilogarithmic (QL) [mu]-law of compression can be applied
Therefore, the concept of
quantization was introduced here.
Hence
quantization can be implemented effectively without perceptual loss of visual quality.
The restricted three-level
quantization designed for variable-length codewords has been considered in [13] as a part of switched
quantization scheme developed for Laplacian sources, where switching among the available quantizers is done according to the lower distortion.
Energy compactness and
quantization (or simply in this paper we call it
quantization) is used to take the useful information from the 8x8 block.