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홍승홍,손창일,민홍기,Hong, Seung-Hong,Son, Chang-Il,Min, Hong-Gi 대한의용생체공학회 1984 의공학회지 Vol.5 No.1
In this paper, the real-time compressed code generation method for the biological signal data, especially for the Electrocardiogram, is studied. For this purpose, variable length code is introduced. And from this code, we get a exactly the same reconstructed signal data as the original. Experimental results show that this program reduces the data rate by a factor of about 8, and codes the result in a form convenient for analysis.
Homomorphic Deconvolution 법에 의한 초음파 감쇄정수 추정
홍승홍,허웅,Hong, Seung-Hong,Huh, Woong 대한의용생체공학회 1984 의공학회지 Vol.5 No.1
In order to improve the performance of ultrasonic diagnostic equipment, it is important to development the signal processing considering the ultrasonic properties of biological medium and propagation mechanism in tissue. Attenuation coefficient is not only important factor to analyze propagation properties, but also it is significant to estimate it in view of tissue characterization, so we show one of the method to estimate attenuation coefficient of biological tissue and the results of estimation.