Neural network method and appartus with parameter quantization

Abstract

A neural network method of parameter quantization includes obtaining channel profile information for first parameter values of a floating-point type in each channel included in each of feature maps based on an input in a first dataset to a floating-point parameters pre-trained neural network; determining a probability density function (PDF) type, for each channel, appropriate for the channel profile information based on a classification network receiving the channel profile information as a dataset; determining a fixed-point representation, based on the determined PDF type, for each channel, statistically covering a distribution range of the first parameter values; and generating a fixed-point quantized neural network based on the fixed-point representation determined for each channel.

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