The Science Behind Creating Realistic Football Game Graphics
Sports broadcasts are ดีลเลอร์สดของ ยูฟ่าไทย wallpapered with gratuitous graphics, and take them or leave them, they all serve a purpose. One such graphic, the yellow first down line, has quietly transformed football broadcasts and helped viewers understand what was happening on the field in real-time. But how does the magic work? The answer is complex and goes way beyond just drawing a yellow line on the screen.
Developing the software that powers this system was the work of Manuel Stein, a computer scientist who works in the University of Konstanz’s research initiative “Collective Behaviour”. Stein’s goal is to make it easier for people to analyze the massive amount of data produced by football games. To do this, he combined a number of technologies from both gaming and data analysis.
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To create a football game graphic, Stein’s software tracks the players and ball. This information is compared to a 3D model of the field, which is generated prior to each game. The resulting data is then used to superimpose the graphics on the actual TV image of the game.
The software also must take into account the different camera angles that are used to shoot each game. For example, the end zone camera and sky cams present a challenge in terms of how well they can be tracked (tilt, pan, zoom and more). Finally, the system must be able to detect when the yellow line is painted on top of players, referees or the ball so that it doesn’t confuse viewers with a regular ad.