Visual tracking plays a very important role in
computer science and engineering. It offers
enormous benefits to research communities in
computer science. This paper reviews recent
augmented reality works which have been
presented in various leading laboratories around
the world. We categorized the methods of visual
tracking into two main groups. The first group is
color-based tracking. The second group is feature
based tracking. Then we discussed each research in
detail and suggest the pros and the cons of each
technique. We recommend that the selected
method should be determined by the purpose of
each augmented reality application. This is because
color-based tracking and feature-based tracking
will work well in different situations. In the future,
we believe that the successful visual tracking
researches could further shape the promising
innovation of computer science society.