Biologically Inspired Intensity and Depth Image Edge Extraction

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Abstract

In recent years artificial vision research has moved from focusing on the use of only intensity images to include using depth images, or RGB-D combinations due to the recent development of low cost depth cameras. However, depth images require a lot of storage and processing requirements. In addition, it is challenging to extract relevant features from depth images in real-time. Researchers have sought inspiration from biology in order to overcome these challenges resulting in biologically inspired feature extraction methods. By taking inspiration from nature it may be possible to reduce redundancy, extract relevant features, and process an image efficiently by emulating biological visual processes. In this paper, we present a depth and intensity image feature extraction approach that has been inspired by biological vision systems. Through the use of biologically inspired spiking neural networks we emulate functional computational aspects of biological visual systems. Results demonstrate that the proposed bio-inspired artificial vision system has increased performance over existing computer vision feature extraction approaches.
Original languageEnglish
Pages (from-to)5356-5365
Number of pages9
JournalIEEE Transactions on Neural Networks and Learning Systems
Volume29
Issue number11
Early online date20 Feb 2018
DOIs
Publication statusE-pub ahead of print - 20 Feb 2018

Keywords

  • depth image
  • spiking neural network
  • bio-inspired imaging

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