Objective: To build an iPhone camera app that can automatically increase the lighting (in real-time), if a region in the center of the screen is poorly lit.
Make the center region configurable where we can specify the pixel or view location and radius. Location and radius may be specified in pixels or percentage of frame / view width.
Demonstrates code efficiently accessing pixel data and applying a basic lighting metric to the configured region (e.g. mean of brightness as simple sum of 3 colour channels).
Switching of torch ON for a lower configurable threshold, and switching of torch OFF for a higher configurable threshold - this is to prevent chatter or oscillation of the torch state due to subtle brightness changes or the torch itself.
Preferred Device: iPhone 6s, or 7, or 8
11 freelance font une offre moyenne de $626 pour ce travail
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