Image processing techniques to perform an autonomous system to translate relief braille into black-ink, called: Lectobraille

@article{Dubus1988ImagePT,
  title={Image processing techniques to perform an autonomous system to translate relief braille into black-ink, called: Lectobraille},
  author={J. Dubus and M. Benjelloun and V. Devlaminck and F. Wauquier and P. Altmayer},
  journal={Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society},
  year={1988},
  pages={1584-1585 vol.4}
}
  • J. Dubus, M. Benjelloun, +2 authors P. Altmayer
  • Published 1988
  • Computer Science
  • Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society
The principles of relief acquisition with the use of a camera and a frame memory controlled by a microcomputer are presented. The use of spatial filtering techniques, especially polynomial filtering, followed by median filtering, erosion, and dilatation, permits the contrasted relief to be extracted from the bottom. After thresholding, an adaptive recognition method is applied, using projection of the braille characters to supply the braille-coded chain of the text.<<ETX>> 
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