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[[Object recognition]] is an important feature in both [[Augmented reality]] (AR) and and [[virtual reality]] (VR) share many similar technological requirements despite their different nature and usage. The most prominent one is the need for highly effective, real-time [[AR]] uses object recognitionto deliver contextually aware information and multimedia. Many In [[VR ]], many systems are designed in such a way so that they are aware of their surroundings, which is in some cases essential for safe operation. Augmented reality uses object recognition to deliver contextually aware information and multimedia.