Said inventionalsocaninhibitframe-frequencyflash during contourscanning in the interlaced scanningsystem, and can produceimagecontour intensified effect.
In the same story, Macotakara also reported that the iPhone 5S will feature an improved dual-LED flashsystem for the rear-facing camera (see image below from GSMArena.) Other rumors have included a better front-facing camera and a faster processor.