Home > Papers from 2015 > How best to extract a skyline

How best to extract a skyline

Lots of behavioural evidence suggests that very useful navigational information can be gained by looking at the high contrast boundary of the skyline, where terrestrial objects meet the sky. How best to extract this information and/or how insect eyes might be tuned for this task is a moot point. Here, Differt and Moeller take an analytical approach, using mathematical techniques to assess the quality of skyline extraction given various assumptions and inputs. In their own words, one interesting conclusion is that “UV/green contrast only marginally increases the quality of global separation in comparison to UV-only”.

Differt, D., & Möller, R. (2015). Insect models of illumination-invariant skyline extraction from UV and green channels. Journal of Theoretical Biology.

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Categories: Papers from 2015
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