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Automated device for determination of skin lesion regions

Published: 08 March 2009 Publication History

Abstract

The elliptical excision is a basic cutaneous surgery commonly performed by physicians and that consists of drawing a spindle shape with pointed ends having a length-to-width ratio 3--4: 1 with 30° angles at each of the poles to avoid the dog-ear formation upon sew up. Physicians who perform such excisional procedures tend to estimate and visually mark the border of the cut making such a procedure inaccurate, thus resulting in either excessive or less cutting of the skin. We propose an automated device that provides a rapid and precise determination of the borders of the excision. In order to perform the required function, the device obtains a snapshot of the lesion, determines its area using image processing, computes the required area to be removed, and finally projects a light accordingly representing the desired elliptic shape. The device consists of three main subsystems: a camera, a processing module and a light system. The paper presents the detailed implementation of the device and the performance results.

References

[1]
Bull, M. and Gardine, P. (1995). Basic principles of minor surgery. In: Surgical procedures in primary care: An illustrated guide. Oxford University Press, USA.
[2]
Schenk, H., Dürr, P., Kunze, D., Lakner, H., Kück, H. (2001). A resonantly excited 2D-micro-scanning-mirror with large deflection, Sensors and Actuators, A. Physical.
[3]
Texas Instrument (2001). TMS320C6000 Imaging Developer's Kit (IDK) User's Guide.
[4]
National Instruments (2005). NI SPEEDY-33 User Manual.

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  1. Automated device for determination of skin lesion regions

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      cover image ACM Conferences
      SAC '09: Proceedings of the 2009 ACM symposium on Applied Computing
      March 2009
      2347 pages
      ISBN:9781605581668
      DOI:10.1145/1529282
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      Published: 08 March 2009

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      Author Tags

      1. image processing
      2. lesion removal

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      SAC09: The 2009 ACM Symposium on Applied Computing
      March 8, 2009 - March 12, 2008
      Hawaii, Honolulu

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