Abstract: Android pattern lock is still popularly used for mobile user authentication. Unfortunately, however, many concerns have been raised regarding its security and usability. User-created ...

Abstract: This paper presents a phase-locking-free all-optical pattern-matching system using a semiconductor optical amplifier (SOA). The system overcomes carrier synchronization challenges, and can ...

Forecast models are increasingly pointing toward weather patterns that would keep California warm and dry through late January. A ridge of high pressure over the eastern Pacific is expected to ...

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