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Wildlife Preservation Using Artificial Intelligence and Big Data

Animal ecology has moved into the era of big data and the Internet of Things. Extraordinary amounts of data are currently being gathered on wildlife populations, owing to advanced technology such as drones, satellites, and terrestrial devices like automatic cameras and sensors positioned on animals or in their environs.

Image Credit: Piyawat Nandeenopparit/shutterstock.com

These data have become so easy to obtain and share that they have reduced distances and time requirements for scientists while decreasing the unsettling presence of humans in natural habitats.

Nowadays, a range of artificial intelligence (AI) programs are available to examine large datasets, but they are mostly general in nature and unsuitable for monitoring the precise behavior and appearance of wild animals.

A team of researchers from EPFL and other universities has drawn a pioneering method to resolve that issue and create more accurate models by merging advances in computer vision with the know-how of ecologists. Their findings, which have been published in the journal Nature Communications, pave the way toward new perspectives on the application of AI to help safeguard wildlife species.

Building up Cross-Disciplinary Know-How

Wildlife studies have expanded from local to global. Advanced technology currently offers innovative new methods to generate more accurate estimates of wildlife populations, fight poaching, better understand animal behavior, and stop the deterioration in biodiversity.

Ecologists can utilize AI, and more precisely computer vision, to derive crucial features from images, videos, and other visual versions of data in order to swiftly categorize wildlife species, count individual animals, and extract specific information, using large datasets.

The generic programs presently used to process such data mostly function like black boxes and do not exploit the total scope of current knowledge about the animal kingdom.

They are challenging to customize, suffer from poor quality control from time to time, and are possibly subject to ethical issues associated with the use of sensitive data. They also comprise numerous biases, particularly regional ones; for example, if all the data used to train a particular program were gathered in Europe, the program might not be appropriate for other regions of the world.

We wanted to get more researchers interested in this topic and pool their efforts so as to move forward in this emerging field. AI can serve as a key catalyst in wildlife research and environmental protection more broadly.

Prof. Devis Tuia, Study Lead Author and Head of Environmental Computational Science and Earth Observation Laboratory, EPFL

If computer scientists want to decrease the margin of error of an AI program that has been taught to identify a particular species, for example, they need to be able to make use of the expertise of animal ecologists.

These professionals can stipulate which characteristics should be added into the program, such as whether a species can endure at a particular latitude, whether it is critical for the existence of another species (such as through a predator-prey relationship), or whether the physiology of the species varies over its lifetime.

For  example, new  machine  learning algorithms  can  be used  to  automatically  identify  an  animal.  such  as  using  a zebra's  unique stripe  pattern,  or  in  video  their  movement  dynamics  can  be  a  signature  of  identity.

Prof.  MackenzieMathis,  the  head of  EPFL's  Bertarelli Foundation  Chair  of  Integrative Neuroscience and co-author  of  the  study

Prof.  MackenzieMathis continued: "Here  is  where the  merger  of  ecology  and  machine learning is  key:  the  field biologist  has  immense  domain  knowledge  about  animal  being studied,  and  us  as  machine  learning researchers  job is  to  work  with  them  to  build  tools  to  find  a  solution." 

Getting the Word Out About Existing Initiatives

The notion of building stronger ties between computer vision and ecology evolved as Tuia, Mathis, and others presented their research challenges at many conferences over the last two years. They realized that such an association could be very beneficial in stopping some wildlife species from becoming extinct.

A few initiatives have already been executed in this direction; some of them are mentioned in the Nature Communications article. For instance, Tuia and his team at EPFL have come up with a program that can detect animal species based on drone images. This was verified recently on a seal population.

Meanwhile, Mathis and her colleagues have launched an open-source software package termed as DeepLabCut that allows researchers to approximate and track animal poses with extraordinary accuracy. It has been downloaded 300,000 times until now. DeepLabCut was developed for lab animals but can be utilized for other species as well.

Scientists at other universities have created programs too, but it is tough for them to share their discoveries since no physical community has yet been set up in this area. Other researchers often do not know these programs are available or which one would be suitable for their particular research.

Nevertheless, preliminary steps toward such a community are happening through different online forums. The Nature Communications article aims for a wider audience, however, involving researchers from various parts of the world.

A community is steadily taking shape. So far we’ve used word of mouth to build up an initial network. We first started two years ago with the people who are now the article’s other lead authors: Benjamin Kellenberger, also at EPFL; Sara Beery at Caltech in the US; and Blair Costelloe at the Max Planck Institute in Germany.

Prof. Devis Tuia, Study Lead Author and Head of Environmental Computational Science and Earth Observation Laboratory, EPFL

Journal Reference:

Tuia, D., et al. (2022) Perspectives in machine learning for wildlife conservation. Nature Communications. doi.org/10.1038/s41467-022-27980-y.

Source: https://www.epfl.ch/en/

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