Prof Alessandro Toffoli
@atoffoli.bsky.social
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Ocean and coastal engineering, physical oceanography, Antarctic science
Antarctic sea ice is made of thousands of moving pieces. New research shows how we can map and measure them from close-range images, even in winter conditions.
dx.doi.org/10.1029/2025...
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Sea Ice Floe Segmentation in Close‐Range Optical Imagery Using Active Contour and Foundation Models
Gradient vector flow active contours are compared with the Segment Anything Model to segment sea ice floes in close-range optical imagery The Segment Anything Model guided by prompts provides rob...
http://dx.doi.org/10.1029/2025EA004453
3 months ago
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Another beautiful photo of snow-covered sea ice from Casey Station (East Antarctica), by our expeditioner
@ippy90.bsky.social
aboard RSV Nuyina.
7 months ago
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A beautiful and rare view of finger rafting in Antarctic sea ice, captured a few hundred kilometres from Casey Station by our expeditioner
@ippy90.bsky.social
@pxh.bsky.social
@antarctic.bsky.social
7 months ago
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Fair winds and following seas to
@ippy90.bsky.social
, who is embarking on a journey to Antarctica to monitor the state of sea ice using our multi-sensor camera array on RSV Nuyina
add a skeleton here at some point
7 months ago
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We spent the weekend in beautiful Hobart retrieving data from our camera system on RSV Nuyina. Exciting sea ice data recorded! Looking forward to new data from the next voyage to Denman Glacier ... Thanks to Dr F. Nelli,
@pxh.bsky.social
and
@antarctic.bsky.social
about 1 year ago
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reposted by
Prof Alessandro Toffoli
The Conversation AUNZ
about 1 year ago
A parliamentary report has called on for a second icebreaking vessel and more reliable funding for Antarctic research.
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This is Australia’s only icebreaker. Here’s why experts say we need another
https://theconversation.com/this-is-australias-only-icebreaker-heres-why-experts-say-we-need-another-249714
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