Quantitative Colour Pattern Analysis (QCPA): A comprehensive framework for the analysis of colour patterns in nature

CP van den Berg, J Troscianko… - Methods in Ecology …, 2020 - Wiley Online Library
To understand the function of colour signals in nature, we require robust quantitative
analytical frameworks to enable us to estimate how animal and plant colour patterns appear …

Using digital photography to study animal coloration

M Stevens, CA Párraga, IC Cuthill… - Biological Journal of …, 2007 - academic.oup.com
In understanding how visual signals function, quantifying the components of those patterns
is vital. With the ever-increasing power and availability of digital photography, many studies …

pavo 2: New tools for the spectral and spatial analysis of colour in r

R Maia, H Gruson, JA Endler… - Methods in Ecology and …, 2019 - Wiley Online Library
Biological coloration presents a canvas for the study of ecological and evolutionary
processes. Enduring interest in colour‐based phenotypes has driven, and been driven by …

pavo: an R package for the analysis, visualization and organization of spectral data

R Maia, CM Eliason, PP Bitton… - Methods in Ecology …, 2013 - Wiley Online Library
Recent technical and methodological advances have led to a dramatic increase in the use of
spectrometry to quantify reflectance properties of biological materials, as well as models to …

Digital imaging for colour measurement in ecological research

Villafuerte, Negro - Ecology Letters, 1998 - Wiley Online Library
Traditional methods for colour quantification are complicated by the fact that colours change
depending on illumination, and that different observers often perceive colours differently …

An integrative framework for the appraisal of coloration in nature

DJ Kemp, ME Herberstein, LJ Fleishman… - The American …, 2015 - journals.uchicago.edu
The world in color presents a dazzling dimension of phenotypic variation. Biological interest
in this variation has burgeoned, due to both increased means for quantifying spectral …

patternize: An R package for quantifying colour pattern variation

SM Van Belleghem, R Papa… - Methods in Ecology …, 2018 - Wiley Online Library
The use of image data to quantify, study and compare variation in the colours and patterns of
organisms requires the alignment of images to establish homology, followed by colour …

From spectral information to animal colour vision: experiments and concepts

A Kelber, D Osorio - Proceedings of the Royal Society B …, 2010 - royalsocietypublishing.org
Many animals use the spectral distribution of light to guide behaviour, but whether they have
colour vision has been debated for over a century. Our strong subjective experience of …

A framework for analysing colour pattern geometry: adjacent colours

JA Endler - Biological Journal of the Linnean Society, 2012 - academic.oup.com
The analysis of colour pattern geometry is not as well advanced as the analysis of colour,
although this reflects a lack of an analytical framework. The present study proposes an …

Comparing colors using visual models

R Maia, TE White - Behavioral Ecology, 2018 - academic.oup.com
Color in nature presents a striking dimension of variation, though understanding its function
and evolution largely depends on our ability to capture the perspective of relevant viewers …