Anti-logarithmic quantization for data reduction in multi-channel intra-cortical neural recording implants | IEEE Conference Publication | IEEE Xplore

Anti-logarithmic quantization for data reduction in multi-channel intra-cortical neural recording implants


Abstract:

In this paper, the anti-logarithmic quantization approach, recently proposed by the authors to be used in multi-channel implantable neural recording systems is studied in...Show More

Abstract:

In this paper, the anti-logarithmic quantization approach, recently proposed by the authors to be used in multi-channel implantable neural recording systems is studied in depth. It is shown that not only quantization noise does not degrade the quality of the neural signals being digitized, it helps reject significant portion of their noise content. As a result of using this method of quantization, bitrate and power saving is achieved in the system level. To quantify the properties associated with the proposed quantization method, a four-channel proof-of-concept prototype is developed and tested using prerecorded neural data.
Date of Conference: 05-07 January 2012
Date Added to IEEE Xplore: 07 June 2012
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Conference Location: Hong Kong, China

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