Matlab Program For Uniform Quantization Encoding Software
Properties CodebookSource Source of codebook values Specify how to determine the codebook values as Property or Input port. The default is Property.
Codebook Codebook Specify the codebook to which the input column vector or matrix is compared, as a k-by- N matrix. Each column of the codebook matrix is a codeword, and each codeword corresponds to an index value. The codeword vectors must have the same number of rows as the input. The first codeword vector corresponds to an index value of 0, the second codeword vector corresponds to an index value of 1, and so on. This property applies when you set the CodebookSource property to Property.
The default is. [ 1.5 13.3 136.4 6.8 2.5 14.3 137.4 7.8 3.5 15.3 138. Sun Serial Port Configurations on this page. 4 8.8 ]This property is tunable. DistortionMeasure Distortion calculation method Specify how to calculate the distortion as Squared error or Weighted squared error. If you set this property to Squared error, the object calculates the distortion by evaluating the Euclidean distance between the input column vector and each codeword in the codebook. If you set this property to Weighted squared error, the object calculates the distortion by evaluating a weighted Euclidean distance using a weighting factor to emphasize or deemphasize certain input values. The default is Squared error.
WeightsSource Source of weighting factor Specify how to determine weighting factor as Property or Input port. This property applies when you set the DistortionMeasure property to Weighted squared error. The default is Property.
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Weights Weighting factor Specify the weighting factor as a vector of length equal to the number of rows of the input. This property applies when you set the DistortionMeasure property to Weighted squared error and WeightsSource property is Property. The default is [1 1 1]. This property is tunable. TiebreakerRule Behavior when input column vector is equidistant from two codewords. Specify whether to represent the input column vector by the lower index valued codeword or higher indexed valued codeword when an input column vector is equidistant from two codewords.
You can set this property to Choose the lower index or Choose the higher index. The default is Choose the lower index. CodewordOutputPort Enable output of codeword value Set this property to true to output the codeword vectors nearest to the input column vectors. The default is false. QuantizationErrorOutputPort Enable output of quantization error Set this property to true to output the quantization error value that results when the object represents the input column vector by the nearest codeword. The default is false.