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Posts by John Martinsson

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Unlocking Avian Secrets: How Tiny Biologgers Are Revealing the Hidden Communication of Carrion Crows - Earth Species Project Lightweight biologgers and ESP's machine learning tools reveal the hidden vocal world of wild carrion crows, capturing over 127,000 calls from quiet murmurs to long-distance signals.

๐Ÿฆโ€โฌ› New paper in Animal Cognition covering our carrion crow project with partners at @Univeristy of Leon.

52 mini-biologgers were deployed on wild carrion crows in Spain โ€” capturing 127K+ vocalizations.

๐Ÿ”—: www.earthspecies.org/blog/unlocki...

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4 months ago 15 6 1 1

I was really pleased to be at the "Climate AI Nordics" workshop. Here's my talk, putting our AI-for-nature together with climate footprint questions: "Bioacoustic AI for nature: how can it tread lightly?" https://www.youtube.com/watch?v=8gcpKav1xBg #ai4good #aifornature #bioacoustics

4 months ago 6 5 0 0
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Climate AI Nordics Newsletter, November 2025 Welcome to the November edition of the Climate AI Nordics Newsletter!This month, we are celebrating a major milestone that highlights the true power of this community. Our partner Klimatkollen has sec...

Our November newsletter is out! Read about Klimatkollen securing new collaboration project through CAIN! Plus: our new YouTube channel, where and when to meet us at EurIPS, and the latest jobs.

climateainordics.com/newsletter/2...

4 months ago 1 2 0 1

We are alarmed by reports that Germany is on the verge of a catastrophic about-face, reversing its longstanding and principled opposition to the EUโ€™s Chat Control proposal which, if passed, could spell the end of the right to privacy in Europe. signal.org/blog/pdfs/ge...

6 months ago 3961 2398 40 140
BioDCASE Workshop - BioDCASE Join us for the BioDCASE Workshop held in Barcelona, Spain on the 29th of October! The workshop will be held at the Campus del Poblenou of Universitat Pompeu Fabra. The BioDCASE workshop will be hosted the day before the DCASE workshop on the 30-31st of October at the same venue โ€ฆ

BioDCASE workshop - registration closes next week Oct 10th https://biodcase.github.io/workshop2025/ - Hope to see you there! #bioacoustics

6 months ago 9 10 1 0

๐ŸŒ Excited to announce our Workshop on AI for Climate & Conservation (AICC) at #EurIPS2025 in Copenhagen! ๐ŸŽ‰

๐Ÿ“ข Call for Participation: sites.google.com/g.harvard.ed...

Confirmed speakers from Mistral AI, DeepMind, ETH Zurich, LSCE & more.

Looking forward to meeting and discussing in Copenhagen!

6 months ago 20 10 1 7
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The Accuracy Cost of Weakness: A Theoretical Analysis of Fixed-Segment Weak Labeling for Events in Time This paper analyzes the accuracy and cost of fixed-length segment weak labeling for events in time, comparing it to an oracle method and providing justification for adaptive weak labeling strategies.

Our paper, โ€œThe Accuracy Cost of Weakness: A Theoretical Analysis of Fixed-Segment Weak Labeling for Events in Timeโ€, is now out in TMLR!

It explores tradeoffs in weak labeling for sound events and gives a theoretical basis for adaptive approaches.

๐Ÿ“„ Read: johnmartinsson.org/publications...

6 months ago 4 0 1 0

Working at the intersection of AI and Climate/Conservation?

If so, check out our upcoming workshop which will taking place at #EurIPS in Copenhagen in December 2025.
sites.google.com/g.harvard.ed...

@euripsconf.bsky.social
โ€ฌ

6 months ago 10 3 1 0
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Logo: BioDCASE workshop, 8th October, Barcelona

Logo: BioDCASE workshop, 8th October, Barcelona

I'm happy to announce two excellent keynote speakers for BioDCASE 2025! AND registration is open too! All the details are here: https://biodcase.github.io/workshop2025/ #BioDCASE #DCASE #bioacoustics #PAM

9 months ago 4 4 0 0

Very exited about this! To start with we are looking to find and label some of their vocalizations to build a vocabulary, and to link them to video events.

Many very interesting audio-visual modelling challenges! I would like to build an audio-visual vocabulary to help understand their behaviour.

10 months ago 0 0 1 0

Sounds great! If you have a link to the PhD please send it. I'd be happy to have a look :)

10 months ago 0 0 0 0

Happy to! Are you studying auk acoustics as part of your post-doc, or what is your relationship to these birds? :)

10 months ago 0 0 1 0

The DCASE 2025 Challenge enters the evaluation phase. Two weeks to the deadline!

10 months ago 3 2 0 0

The webpage is under development. Hopfully the playable Guillemot icons will have diffetent sounds soon that we collect during the season.

10 months ago 2 0 0 0
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Auklab Audio Research News and updates about the continuous acoustic monitoring at the Auk Lab

Small webpage for an ongoing #bioacoustic monitoring project I am part of at Stora Karlsรถ: auklab-audio.github.io

Adding #audio will hopefully let us learn more about the life of the Guillemots. What are they saying?

Lesson learned: designing a recording setup is a challenge and lots of fun! ๐Ÿ”Š

10 months ago 10 3 3 0
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Big thanks to all speakers and participants who joined the first Nordic Workshop on AI for Climate Change in Gothenburg, a great success! ๐ŸŒ๐Ÿ’ก

Next yearโ€™s workshop is already set: June 26, 2026 in Copenhagen ๐Ÿ‡ฉ๐Ÿ‡ฐ, hosted by our core team at KU & the Pioneer Centre for AI.

Let's keep up the momentum! โšก๏ธ

11 months ago 9 3 3 3
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Noise pollution isnโ€™t just an inconvenience! ๐Ÿ”‰๐Ÿฌ
it can disturb entire marine ecosystems.

Understanding how noise disturbance affects wildlife populations requires powerful models, lots of data and a dedicated team.

See the thread for what is going on in AU Ecoscience #marinemammalresearch ๐ŸŒŠ

11 months ago 16 3 1 0
AukLab โ€“ BSP

Read more about the already established monitoring setup here: www.balticseabird.com/auklab/, thanks Jonas Hentati Sundberg for making this happen!

11 months ago 1 0 0 0

For years I've had a long-term personal goal to have a project in my work that requires me to do fieldwork. Early this year I achieved that goal. And this weekend I will go to Stora Karlsรถ and install microphones in a Guillemot colony with my collegues @mogren.ml @delialia.bsky.social. ๐Ÿง

11 months ago 3 0 1 1
Logo: BioDCASE. Challenge launched! We like birds, whales, forests, and data

Logo: BioDCASE. Challenge launched! We like birds, whales, forests, and data

Just launched: the BioDCASE challenge! Monitor whales, birds and other animals, through their sounds? We're publishing new datasets, and new evaluations, to help you do so! Please join this new challenge, and please spread the word: biodcase.github.io #bioacoustics #machinelistening #ai4good

1 year ago 22 16 0 0
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Climate AI Nordics hits 140 members! ๐ŸŽ‰ Using AI for climate resilience. Join our ๐Ÿ‡ฉ๐Ÿ‡ฐ๐Ÿ‡ซ๐Ÿ‡ฎ๐Ÿ‡ณ๐Ÿ‡ด๐Ÿ‡ธ๐Ÿ‡ช network, especially if you're in Iceland ๐Ÿ‡ฎ๐Ÿ‡ธ, Faroe Island ๐Ÿ‡ซ๐Ÿ‡ด, Greenland ๐Ÿ‡ฌ๐Ÿ‡ฑ or ร…land ๐Ÿ‡ฆ๐Ÿ‡ฝ! Let's build solutions. Sign up: climateainordics.com/join/ #ClimateAI

1 year ago 8 4 0 2

I will close the letter for signatures at 17:00 today (UK time). Last chance to voice your support before this evening's meeting of the Royal Society.

1 year ago 69 53 2 1
AukLab โ€“ BSP

Part of micing up a Guillemot colony in the Baltic Sea (www.balticseabird.com/auklab/).

Switches with ethernet and power within 5 meters of all mics. Dynamic range important.

Any tips on hardware (e.g multi channel ADC rack and mics, IP audio) and things to consider are welcome! #bioacoustics

1 year ago 3 2 0 0

Happy to be part of the core team for Climate AI Nordics!

1 year ago 4 1 0 0
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Advancing biodiversity monitoring is crucial for meeting the EU Biodiversity Strategy targets and addressing gaps in current ecological assessments. However, collecting data to monitor the state of biodiversity is time and resource con...

#ccai >>Read more!<<

1 year ago 3 2 0 2

Thank you for writing this book. I study machine listening methods for bioacoustics. Books like this help me understand the variety of animal sounds, which lead to development of more useful methods. And reading about sound and animals is always enjoyable. Look forward to reading it!

1 year ago 0 0 0 0
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The Voices of Nature Songs, barks, roars, hoots, squeals, and growls: exploring the mysteries of how animals communicate by sound

The paperback edition of "The Voices of Nature. How and Why Animals Communicate" is announced!
press.princeton.edu/books/paperb...

1 year ago 29 9 3 0

Newsletter: Welcome to the Climate Change AI Nordics Newsletter, December 2024! Read about recent and coming seminars, workshops, and the modelling of thermal inequalities in African cities.

#ccai >>Read more!<<

1 year ago 2 1 0 1
BioacousTalks: Small Bird, Big Data, Deep Learnings with Nilo Recalde
BioacousTalks: Small Bird, Big Data, Deep Learnings with Nilo Recalde YouTube video by K. Lisa Yang Center for Conservation Bioacoustics

Just remembered that Nilo Recalde had an excellent talk about annotation/validation of thousands of audio clips at BioacousTalks: www.youtube.com/watch?v=n0fr..., maybe his software "pykanto" is worth looking at: nilomr.github.io#software. Depends on how much programming you are willing to do!

1 year ago 1 0 1 0

Yeah, I agree that it is not really built for large annotation projects in that sense. If you find what you are looking for, please write what you find in this thread! I'm also curious ๐Ÿ˜Š

1 year ago 0 0 0 0