File:OMR-Arena-Automated-Measurement-and-Stimulation-System-to-Determine-Mouse-Visual-Thresholds-Based-pone.0078058.s001.ogv

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Original file ‎(Ogg Theora video file, length 1 min 0 s, 1,280 × 720 pixels, 866 kbps, file size: 6.19 MB)

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English: Visualization of the tracking algorithm. A video of one mouse placed on the platform in the setup performing OMR. To facilitate the detection of the nose position, coordinates are weighted with a function ranging from 0 at the border of the region around the platform that the mouse can reach with its nose to 1 at the center of the platform. The center of gravity (black X) is calculated based on weighted pixels (see color bar). It is usually located in the animal's hind-quarters region. The nose (white X in circle) is usually detected as the pixel farthest from the center of gravity. The position between the ears (white X) is determined as a center of mass in a circular region (white circle) around the location of the nose. The head-gaze (red arrow in A) is calculated as the vector from the position between the ears to the position of the nose.
Date
Source Video S1 from Kretschmer F, Kretschmer V, Kunze V, Kretzberg J (2013). "OMR-Arena: Automated Measurement and Stimulation System to Determine Mouse Visual Thresholds Based on Optomotor Responses". PLOS ONE. DOI:10.1371/journal.pone.0078058. PMID 24260105. PMC: 3829813.
Author Kretschmer F, Kretschmer V, Kunze V, Kretzberg J
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This file is licensed under the Creative Commons Attribution 3.0 Unported license.
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This file was transferred to Wikimedia Commons from PubMed Central by way of the Open Access Media Importer.
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Date/TimeThumbnailDimensionsUserComment
current04:48, 15 October 20161 min 0 s, 1,280 × 720 (6.19 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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VP9 720P 557 kbps Completed 11:06, 5 September 2018 47 s
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VP9 480P 244 kbps Completed 11:06, 5 September 2018 37 s
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VP9 360P 134 kbps Completed 11:05, 5 September 2018 25 s
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VP9 240P 75 kbps Completed 11:05, 5 September 2018 22 s
Streaming 240p (VP9) 75 kbps Completed 08:07, 6 February 2024 1.0 s
WebM 360P 505 kbps Completed 04:49, 15 October 2016 28 s
Streaming 144p (MJPEG) 485 kbps Completed 14:18, 16 November 2023 2.0 s

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