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2019 - Nevala and Baden - Sci Rep.pdf (2.82 MB)

A low-cost hyperspectral scanner for natural imaging and the study of animal colour vision above and under water

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posted on 2023-06-09, 20:16 authored by Noora Nevala, Thomas BadenThomas Baden
Hyperspectral imaging is a widely used technology for industrial and scientific purposes, but the high cost and large size of commercial setups have made them impractical for most basic research. Here, we designed and implemented a fully open source and low-cost hyperspectral scanner based on a commercial spectrometer coupled to custom optical, mechanical and electronic components. We demonstrate our scanner's utility for natural imaging in both terrestrial and underwater environments. Our design provides sub-nm spectral resolution between 350-950?nm, including the UV part of the light spectrum which has been mostly absent from commercial solutions and previous natural imaging studies. By comparing the full light spectra from natural scenes to the spectral sensitivity of animals, we show how our system can be used to identify subtle variations in chromatic details detectable by different species. In addition, we have created an open access database for hyperspectral datasets collected from natural scenes in the UK and India. Together with comprehensive online build- and use-instructions, our setup provides an inexpensive and customisable solution to gather and share hyperspectral imaging data.

Funding

Anisotropic retinal circuits for processing of colour and space in nature; G2397; BBSRC-BIOTECHNOLOGY & BIOLOGICAL SCIENCES RESEARCH COUNCIL; BB/R014817/1

Optical Electrophysiology: Establishing fluorescence voltage imaging capability at Sussex Neuroscience; G2018; MRC-MEDICAL RESEARCH COUNCIL

Anisotropic retinal circuits for processing of colour and space in nature - Lister Institute Research Prize; G2503; LISTER INSTITUTE

A window into the fly brain: "dual imaging" of neural circuits involved in locomotor behaviour in Drosophila; G2180; MRC-MEDICAL RESEARCH COUNCIL; MC_PC_15071

NeuroVisEco - Zebrafish vision in its natural context: from natural scenes through retinal and central processing to behaviour; G1871; EUROPEAN UNION; 677687

Philip Leverhulme Prize - Biological Sciences; G2276; LEVERHULME TRUST; PLP-2017-005

History

Publication status

  • Published

File Version

  • Published version

Journal

Scientific Reports

ISSN

2045-2322

Publisher

Nature Research

Issue

a10799

Volume

9

Department affiliated with

  • Neuroscience Publications

Research groups affiliated with

  • Sussex Neuroscience Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2020-01-16

First Open Access (FOA) Date

2020-01-16

First Compliant Deposit (FCD) Date

2020-01-15

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