toBeeView: a program for simulating the retinal image of visual scenes on nonhuman eyes
Miguel A Rodríguez-Gironés1, Alberto Ruiz1
1Estación Experimental de Zonas Áridas CSIC Almería Spain.
Ecology and Evolution
|August 22, 2018
Summary
toBeeView simulates animal vision by approximating retinal images from photographs. This free program models photoreceptor distribution and optic quality to estimate visual acuity for applications like studying mimicry.
Area of Science:
- Vision science
- Computational biology
- Animal behavior
Background:
- Understanding animal vision requires modeling the image processing stages within their eyes.
- Previous methods lacked a comprehensive tool to simulate the visual input based on eye parameters.
Purpose of the Study:
- To introduce toBeeView, a novel software tool for simulating the image formed at the retinal sampling stage in animal eyes.
- To provide a freely available program for researchers to approximate animal visual perception.
Main Methods:
- toBeeView models the retina with a hexagonal grid of sampling stations, each calculating a weighted average of projected scene colors.
- Users input parameters like visual angle, photoreceptor distribution (interommatidial angles), and optic quality (acceptance angle).
- The software generates an output image representing the approximated retinal image.
Main Results:
- The tool generates an approximation of the image formed at the sampling stage of an animal's eye.
- It quantifies visual information available at the retina by integrating optical properties and receptor density.
- The output visually represents the interaction between eye optics and photoreceptor arrangement.
Conclusions:
- toBeeView offers a valuable approximation of animal visual information processing.
- It is particularly useful for determining visual acuity and studying object detection, identification, visual displays, camouflage, and mimicry.
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