teaching:video_voting:method
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| teaching:video_voting:method [2019/10/01 13:15] – created anthony | teaching:video_voting:method [2019/10/01 14:24] (current) – [Illustration of the method] anthony | ||
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| - | The numbers in the line graph above are used to draw little bar graphs on top of each of the video frames, so that viewers can see how many cards of each color were held up. | + | The numbers in the line graph above are used to draw little bar graphs on top of each of the video frames, so that viewers can see how many cards of each color were held up at each moment. |
| In this example, students held up their yellow cards when they thought the movie camera was being physially moved around to create motion on the screen. They held up their blue cards when they thought that the camera was being pointed at different spots (panned) or when the zoom was being changed to create motion on the screen. | In this example, students held up their yellow cards when they thought the movie camera was being physially moved around to create motion on the screen. They held up their blue cards when they thought that the camera was being pointed at different spots (panned) or when the zoom was being changed to create motion on the screen. | ||
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| ===== YUV video encoding ===== | ===== YUV video encoding ===== | ||
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| ===== Trigonometry to scale the area of the cards ===== | ===== Trigonometry to scale the area of the cards ===== | ||
teaching/video_voting/method.1569950104.txt.gz · Last modified: by anthony