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20260521 Centroid, velocity, bounding box, area, brightness, aspect ratio, mean optical flow. 30 frames per second.
1,800 frames per minute.
108,000 frames per hour.
2,592,000 frames per day. Chameleon Eyes, Heiligfeld Park, Zurich: watching the sky above the Letzigraben through thermal imagery. Birds, drones, airplanes, clouds.
Flight paths and heat signatures. No hearing.
No smell.
No touch.
No feathers.
No song.
No names. Only temperature, brightness, position, size, direction, drift. Behind the image: algorithms, protocols, variables, parameters.
Thresholds, predictions, false positives.
Noise-to-signal segmentation.
A choreography of tracking, losing, searching.
Alien governance. A screen is where the work surfaces:
a perspective in the park’s system of vistas,
part of the same habitat as birds and beholders,
another form of intelligence. Recent images from the same sky fade into one another,
continuously spiraling forward:
a never-closing loop. The next threshold,
the next detection,
the next track. A soundtrack neither composed nor scripted,
outside the image:
birdsong from the habitat,
voices, weather, space. A perspective shaped by movement.
The sky ever-expanding in time.
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