Detection of Fingertips in Human Hand Movement Sequences

Nölker C, Ritter H (1998)
In: Gesture and Sign Language in Human-Computer Interaction. Proceedings of the International Gesture Workshop 1997. Wachsmuth I, Fröhlich M (Eds); Lecture Notes in Computer Science, 1371. Berlin: Springer: 209-218.

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Author
;
Editor
Wachsmuth, Ipke ; Fröhlich, M.
Abstract
This paper presents an hierarchical approach with neural networks to locate the positions of the fingertips in grey-scale images of human hands. The first chapters introduce and sum up the research done in this area. Afterwards, our hierarchical approach and the preprocessing of the grey-scale images are described. A low-dimensional encoding of the images is done by the means of Gabor-Filters and a special kind of artificial neural net, the LLM-net, is employed to find the positions of the fingertips. The capabilities of the system are demonstrated on three tasks: locating the tip of the forefinger and of the thumb, finding the pointing-direction regardless of the operator’s pointing style, and detecting all 5 fingertips in hand movement sequences. The system is able to perform these tasks even when the fingertips are in an area with low contrast.
Publishing Year
Conference
International Gesture Workshop Bielefeld, Germany
Location
Bielefeld
Conference Date
1997-09-17 – 1997-09-19
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Nölker C, Ritter H. Detection of Fingertips in Human Hand Movement Sequences. In: Wachsmuth I, Fröhlich M, eds. Gesture and Sign Language in Human-Computer Interaction. Proceedings of the International Gesture Workshop 1997. Lecture Notes in Computer Science. Vol 1371. Berlin: Springer; 1998: 209-218.
Nölker, C., & Ritter, H. (1998). Detection of Fingertips in Human Hand Movement Sequences. In I. Wachsmuth & M. Fröhlich (Eds.), Lecture Notes in Computer Science: Vol. 1371. Gesture and Sign Language in Human-Computer Interaction. Proceedings of the International Gesture Workshop 1997 (pp. 209-218). Berlin: Springer.
Nölker, C., and Ritter, H. (1998). “Detection of Fingertips in Human Hand Movement Sequences” in Gesture and Sign Language in Human-Computer Interaction. Proceedings of the International Gesture Workshop 1997, ed. I. Wachsmuth and M. Fröhlich Lecture Notes in Computer Science, vol. 1371, (Berlin: Springer), 209-218.
Nölker, C., & Ritter, H., 1998. Detection of Fingertips in Human Hand Movement Sequences. In I. Wachsmuth & M. Fröhlich, eds. Gesture and Sign Language in Human-Computer Interaction. Proceedings of the International Gesture Workshop 1997. Lecture Notes in Computer Science. no.1371 Berlin: Springer, pp. 209-218.
C. Nölker and H. Ritter, “Detection of Fingertips in Human Hand Movement Sequences”, Gesture and Sign Language in Human-Computer Interaction. Proceedings of the International Gesture Workshop 1997, I. Wachsmuth and M. Fröhlich, eds., Lecture Notes in Computer Science, vol. 1371, Berlin: Springer, 1998, pp.209-218.
Nölker, C., Ritter, H.: Detection of Fingertips in Human Hand Movement Sequences. In: Wachsmuth, I. and Fröhlich, M. (eds.) Gesture and Sign Language in Human-Computer Interaction. Proceedings of the International Gesture Workshop 1997. Lecture Notes in Computer Science. 1371, p. 209-218. Springer, Berlin (1998).
Nölker, Claudia, and Ritter, Helge. “Detection of Fingertips in Human Hand Movement Sequences”. Gesture and Sign Language in Human-Computer Interaction. Proceedings of the International Gesture Workshop 1997. Ed. Ipke Wachsmuth and M. Fröhlich. Berlin: Springer, 1998.Vol. 1371. Lecture Notes in Computer Science. 209-218.
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