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GoPro Inc
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Nikon
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GoPro Inc
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Image Search Results
Journal: Biology Open
Article Title: 3D for the people: multi-camera motion capture in the field with consumer-grade cameras and open source software
doi: 10.1242/bio.018713
Figure Lengend Snippet: Video undistortion operations. Example video undistortion operations on an extracted frame from (A) a video of a dot grid pattern recorded a GoPro Hero4 camera in 1080p narrow mode showing visible optical distortion. (B) Automatic identification of the dot pattern as displayed in Argus Patterns ; dot pattern recognition uses the OpenCV library (version 2.4). (C) The same source video, undistorted by applying distortion coefficient output of Argus Patterns to the source video using Argus Dwarp .
Article Snippet: We filmed a 9×12 dot pattern with 2 cm spacing , using a
Techniques: