File:Some-Causes-of-the-Variable-Shape-of-Flocks-of-Birds-pone.0022479.s004.ogv
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Some-Causes-of-the-Variable-Shape-of-Flocks-of-Birds-pone.0022479.s004.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 9.4 s, 640 × 480 pixels, 3.94 Mbps overall, file size: 4.42 MB)
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editDescriptionSome-Causes-of-the-Variable-Shape-of-Flocks-of-Birds-pone.0022479.s004.ogv |
English: Measurement of school shape. This movie shows a bounding box around the flock in black. Its dimensions are calculated with the PCA. The the shortest dimension is the height. The flock is clearly asymmetrical or oblong. Simultaneously the movie shows the bounding box for measuring the degree to which the flock is elongated in the movement direction (white).
doi:10.1371/journal.pone.0022479.s004 |
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Source | Movie S1 from Hemelrijk C, Hildenbrandt H (2011). "Some Causes of the Variable Shape of Flocks of Birds". PLOS ONE. DOI:10.1371/journal.pone.0022479. PMID 21829627. PMC: 3150374. | ||
Author | Hemelrijk C, Hildenbrandt H | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:24, 27 July 2013 | 9.4 s, 640 × 480 (4.42 MB) | Open Access Media Importer Bot (talk | contribs) | Automatically uploaded media file from Open Access source. Please report problems or suggestions here. |
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Author | Hemelrijk C, Hildenbrandt H |
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Usage terms | http://creativecommons.org/licenses/by/3.0/ |
Image title | Click here for additional data file. |
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Date and time of digitizing | 2011 |