Design and Implementation of Personal Low-Power Life Logger Using Multiple Operating Mode-Based Hierarchical Image Capture Algorithm 


Vol. 42,  No. 12, pp. 2316-2325, Dec.  2017
10.7840/kics.2017.42.12.2316


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  Abstract

Recently, there has been active research on small wearable devices, and there is a growing interest in personal life loggers capable of recording personal daily life or monitoring their status. Because of the small battery size of the device, it is necessary to utilize the energy efficiently. In this paper, we design a personal life logger considering low power consumption and suggest a method to prevent unnecessary energy consumption by using multiple operating mode based hierarchical image capture algorithm. This algorithm recognizes and excludes unnecessary image capture process. We implemented two kinds of personal low-power life-logger devices and confirmed the performance by measuring current consumption. After that, performance improvement was confirmed by comparing the performance when applying the hierarchical image capture algorithm and when not using it. In addition, when periodic personal life logging was performed, it was confirmed that it operated for about 1.53 times longer by comparison with commercial products.

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  Cite this article

[IEEE Style]

B. Kim, S. Lee, J. Seo, Y. Baek, "Design and Implementation of Personal Low-Power Life Logger Using Multiple Operating Mode-Based Hierarchical Image Capture Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 12, pp. 2316-2325, 2017. DOI: 10.7840/kics.2017.42.12.2316.

[ACM Style]

Beomjun Kim, Seungjin Lee, Juhee Seo, and Yunju Baek. 2017. Design and Implementation of Personal Low-Power Life Logger Using Multiple Operating Mode-Based Hierarchical Image Capture Algorithm. The Journal of Korean Institute of Communications and Information Sciences, 42, 12, (2017), 2316-2325. DOI: 10.7840/kics.2017.42.12.2316.

[KICS Style]

Beomjun Kim, Seungjin Lee, Juhee Seo, Yunju Baek, "Design and Implementation of Personal Low-Power Life Logger Using Multiple Operating Mode-Based Hierarchical Image Capture Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 12, pp. 2316-2325, 12. 2017. (https://doi.org/10.7840/kics.2017.42.12.2316)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880