English, Article edition: INFORMATION-DRIVEN ORGANIZATION OF VISUAL RECEPTIVE FIELDS CHRISTOPH SALGE; DANIEL POLANI

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Bookmark: http://trove.nla.gov.au/version/22239
Physical Description
  • article
Language
  • English

Edition details

Title
  • INFORMATION-DRIVEN ORGANIZATION OF VISUAL RECEPTIVE FIELDS
Author
  • CHRISTOPH SALGE
  • DANIEL POLANI
Physical Description
  • article
Notes
  • By using information theory to reduce the state space of sensor arrays, such as receptive fields, for AI decision making we offer an adaptive algorithm without classical biases of hand coded approaches. This paper presents a way to build an acyclic directed graph to organize the sensor inputs of a visual receptive field. The Information Distance Metric is used to repeatedly select two sensors, which contain the most information about each other. Those are then encoded to a single variable, of equal alphabet size, with a deterministic mapping function that aims to create maximal entropy while maintaining a low information distance to the original sensors. The resulting tree determines which sensors are fused to reduce the input data while maintaining a maximum of information. The structure adapts to different environments of input images by encoding groups of preferred line structures or creating a higher resolution for areas with simulated movement. These effects are created without prior assumptions about the sensor statistics or the spatial configuration of the receptive field, and are cheap to compute since only pair-wise informational comparison of sensors is used.
  • Information theory, adaptive sensors
  • RePEc:wsi:acsxxx:v:12:y:2009:i:03:p:311-326
Language
  • English
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