期刊
IEEE TRANSACTIONS ON CYBERNETICS
卷 49, 期 4, 页码 1200-1211出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCYB.2018.2795238
关键词
Active learning; Bayesian linear regression; calibration; distribution approximation; incremental learning; successive stochastic approximation analog-to-digital converter (SSA-ADC)
类别
资金
- Adaptable and Seamless Technology Transfer Program through Target Driven Research and Development of the Japan Science and Technology Agency
Recently, a novel low-power high-precision analog-to-digital converter (ADC) called the successive stochastic approximation ADC has been proposed which has two kinds of outputs from different modes, and which requires a software-level error correction method of combining them into a high-precision total output. From the practical viewpoint, we propose an error correction method based on the Bayesian regression with an incremental learning, in which additional data are successively selected according to the uncertainty of the corresponding predictive total output, and the uncertainty is approximately estimated by evaluating the upper bound of the standard deviations of the Bayesian predictive distributions of the outputs in each block of a partition of the all data set. Through numerical experiments, we verify the performance of the proposed method.
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