Ground surface segmentation for navigation with a low resolution visual prosthesis

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McCarthy, Chris; Barnes, Nick; Lieby, Paulette


2011-09-01


Conference Material


International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)


Boston, USA


4


We propose the use of ground surface segmentation to enhance the perception of obstacles in low to medium resolution prosthetic visual representations. We apply a recently proposed algorithm for segmenting traversable space in stereo disparity data, and show how such a scheme may be utilised to enhance the distinction between the ground surface and obstructions (in particular, small trip hazards). Qualitative comparisons with intensity and straight depth-based representations highlight advantages for the visualisation of obstacles, offering potential gains for visual navigation with low resolution and low dynamic range visual prostheses.


http://embc2011.embs.org/


nicta:5088


McCarthy, Chris; Barnes, Nick; Lieby, Paulette. Ground surface segmentation for navigation with a low resolution visual prosthesis. In: International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC); Boston, USA. 2011-09-01. 4. http://hdl.handle.net/102.100.100/103247?index=1



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