1. A method for recognizing a hand motion by a hand motion recognizing apparatus, the method comprising: obtaining an image with first resolution including a hand; obtaining an image with second resolution including the hand; mapping the image with the first resolution and the image with the second resolution; obtaining a hand position from the image with the first resolution; extracting a hand region corresponding to the hand position from the image with the second resolution mapped to the image with the first resolution; and estimating a hand motion from the hand region.