Distributed Camera Systems and Image Sensor Clouds

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Imagine a soccer stadium in which every person in the capacity crowd is using their cell-phone to capture a video of the game. Different spectators follow different players, some follow the ball instead, others may turn their cameras on or off, and many move about the stands. If we were to have access to these videos in real time, how could we retrieve information about the game? On one hand, we would have information about all parts of the pitch from multiple perspectives and no event would go unrecorded. On the other hand, we do not know where the cameras are at any time, in which directions they point, or even how many there are. There would also be huge redundancy (meaning that a point in the scene is captured by many cameras), variable degrees of overlap in fields-of-view between cameras, instances where identical objects appear at different sizes in different images, and a host of similar challenges.