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US 5,708,429 AGranted
Method of compressing electroencephalographic signals
AssigneeIstituto Trentino Di Cultura
InventorsGiuliano Antoniol, Paolo Tonella
Life of this patent
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Abstract
In a method of compressing electroencephalographic signals, the signals are compressed by the encoding of the differences between values of the signal and values estimated by a predictor with the use of variable-length codes with prefixes.
Claims12
A method of generating from an analog electroencephalographic signal a compressed signal for storing and/or transmitting the compressed signal, wherein said method comprises the following steps:
- converting the analog electroencephalographic signal into a signal in digital format,
- generating by means of an estimator predicted values of the digital signal on the basis of the past behavior of the analog signal and generating a signal indicative of the difference between predicted values and actual values of the digital signal, and
- encoding said signal indicative of the distance by means of variable-length codes with prefixes to generate the compressed signal.
Dependencies are inferred from the claim text.