Optical Tremor Analysis with the Speckle Imaging Technique
The exact and direct measurement of the muscle activity in the human body is important for the diagnosis of diseases and for the performance measurement of athletes. In particular, the detection of muscle trembling (so-called tremor) under a certain load could be an accurate measure of the progression of diseases or of the muscle’s capability. Until now mostly invasive or contact-based measurement principles have been used for this application. The authors show the development of a setup for an optical measurement of muscle activity which is proven to be capable of measuring fine frequency and amplitude differences of oscillating surfaces in technical and medical applications. Furthermore, the authors show the measurement performance of their method in comparison to an established method. The authors can prove that their method has good applicability for measuring the amplitude and frequency of the tremor remotely and that the results are consistent with mechanomyographic measurements of the tremor.
Document Type: Research Article
Publication date: 01 January 2015
This article was made available online on 31 March 2015 as a Fast Track article with title: "Optical Tremor Analysis with the Speckle Imaging Technique".
The Journal of Imaging Science and Technology (JIST) is dedicated to the advancement of imaging science knowledge, the practical applications of such knowledge, and how imaging science relates to other fields of study. The pages of this journal are open to reports of new theoretical or experimental results, and to comprehensive reviews. Only original manuscripts that have not been previously published, nor currently submitted for publication elsewhere, should be submitted.
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