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Multithreaded programs are hard to get right. A key reason is that the contract between developers and runtimes grants exponentially many schedules to the runtimes. We present Parrot, a simple, practical runtime with a new contract to developers. By default, it orders thread synchronizations in the well-defined round-robin order, vastly reducing schedules(More)
Brand awareness is an important issue for the advertising. How to know the effective of every ad for business is always being studied. This paper present a face detection based on the use of eyes tracking system, that can track how long, does the consumer pays attention on current advertising. Firstly, we use the harr-likes features to capture the faces in(More)
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