Mata –hewan melihat dunia diungkapkan dengan software visual baru--T-REC-komunitas reptil-semarang--KSE-komunitas satwa eksotik

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Mata –hewan melihat dunia diungkapkan  dengan software visual baru

Date:

August 6, 2015

Source:

University of Exeter

Summary:

Teknologi kamera baru yang mengungkapkan dunia melalui mata hewan telah dikembangkan . Perangkat lunak , yang mengubah foto digital dengan visi hewan , dapat digunakan untuk menganalisa warna dan pola dan sangat berguna untuk studi hewan dan signal tumbuhan , kamuflase dan predasi hewan , tetapi juga bisa berguna bagi siapa saja yang ingin mengukur warna akurat dan obyektif .

............. Perangkat lunak , yang mengubah foto digital dengan visi hewan , dapat digunakan untuk menganalisa warna dan pola dan sangat berguna untuk studi hewan dan sinyal  tumbuhan , kamuflase dan predasi hewan, tetapi juga bisa berguna bagi siapa saja yang ingin mengukur warna akurat dan obyektif ....more

Animal-eye view
of the world revealed with new visual software

New camera technology that reveals the world through the eyes of animals
has been developed by University of Exeter researchers

Date:

August 6, 2015

Source:

University of Exeter

Summary:

New camera technology that reveals the world through the eyes of animals
has been developed. The software, which converts digital photos to animal
vision, can be used to analyze colors and patterns and is particularly useful
for the study of animal and plant signalling, camouflage and animal predation,
but could also prove useful for anyone wanting to measure colors accurately and
objectively.

...................

New camera technology that reveals the world through the eyes of animals
has been developed by University of Exeter researchers. The details are
published today in the journal Methods in Ecology and
Evolution.

The software, which converts digital photos to animal vision, can be used
to analyze colors and patterns and is particularly useful for the study of
animal and plant signalling, camouflage and animal predation, but could also
prove useful for anyone wanting to measure colors accurately and objectively.

The software has already been used by the Sensory Ecology group in a wide
range of studies, such as color change in green shore crabs, tracking human
female face color changes through the ovulation cycle, and determining the
aspects of camouflage that protect nightjar clutches from being spotted by
potential predators.

Jolyon Troscianko from the Centre for Ecology and Conservation at the
University of Exeter said: "Viewing the world through the eyes of another
animal has now become much easier thanks to our new software.

"Digital cameras are powerful tools for measuring colors and patterns
in nature but until now it has been surprisingly difficult to use digital
photos to make accurate and reliable measurements of color. Our software allows
us to calibrate images and convert them to animal vision, so that we can
measure how the scene might look to humans and non-humans alike.

"We hope that other scientists will use this open access software to
help with their digital image analysis."

Until now, there has been no user-friendly software programme that enables
researchers to calibrate their images, incorporate multiple layers -- visible
and UV channels -, convert to animal color spaces, and to measure images
easily. Instead, researchers have needed to do much of this manually, including
the sometimes complex programming and calculations involved. This freely
available open source software now offers a user-friendly solution.

color vision varies substantially across the animal kingdom, and can even
vary within a given species. Most humans and old-world monkeys have eyes
sensitive to three colors; red, green and blue, which is more than other
mammals that are only sensitive to blue and yellow. It is impossible for humans
to imagine seeing the world in more than three primary colors, but this is
common in most birds, reptiles, amphibians and many insects that see in four or
more. Many of them can also see into the ultraviolet range, a world completely
invisible to us without the use of full spectrum cameras. So scientists
studying these species need to measure UV to understand how these animals view
the world.

Using a camera converted to full spectrum sensitivity, one photograph taken
through a visible-pass filter can be combined by the software with a second
taken through an ultraviolet-pass filter. The software can then generate
functions to show the image through an animal's eyes.

The researchers have provided specific data on camera settings for commonly
studied animals, such as humans, blue tits, peafowl, honey bees, ferrets and
some fish.

Flowers often look particularly striking in UV because they are signalling
to attract pollinators that can see in UV, such as bees. UV is also often
important for birds, reptiles and insects in their colorful sexual displays to
attract mates.

The software is free to download and is available here:http://www.jolyon.co.uk/myresearch/image-analysis/image-analysis-tools/







Story Source:

The above post is reprinted from materials provided byUniversity
of Exeter. Note: Materials may be edited for content and length.







Journal Reference:

1.   
Jolyon Troscianko, Martin Stevens. Image calibration and analysis
toolbox - a free software suite for objectively measuring reflectance, colour
and pattern. Methods in Ecology and Evolution, 2015; DOI: 10.1111/2041-210X.12439

http://www.sciencedaily.com/releases/2015/08/150806112103.htm

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