FLASH COLLISION DETECTION, COMPENSATION, AND PREVENTION

摘要

Certain aspects relate to systems and techniques for flash collision detection, compensation, and prevention. For example, the flash of another camera or other sudden increases in ambient lighting of an image scene can introduce unwanted quality degradations into captured images, such as over-exposure of part or all of the captured image. Flash collision can be detected through a row sum calculation and comparison process in some examples. In some examples, flash collision can be compensated for by analysis of row sum data from a number of preview frames. In other examples, flash collision can be mitigated or prevented through use of a flash traffic controller.

主权项

1. A flash traffic controller for coordinating proximate multiple imaging devices to produce non-simultaneous flashes, comprising:
a network manager configured to communicate with a requesting image capture device of a plurality of imaging devices over a flash traffic control network; a request analyzer configured to receive and analyze an image capture request from the requesting image capture device, the image capture request including flash information; and a time slot controller configured to
determine whether one of a plurality of time slots has been assigned to at least one other device of the plurality of imaging devices, andassign the one of the plurality of time slots to the image capture device based at least partly on the flash information and the determination of whether the one of the plurality of time slots has been assigned, such that at most one of the plurality of imaging devices that is set to perform image capture with flash is assigned to the one of the plurality of time slots.