Limited by the initial input images,traditional image registration technology cannot meet people's needs.Nowadays parallax image registration has gradually become a research focus in image mosaic technology.The difficulty and general flow of parallax image registration are introduced based on the principle of parallax formation.And the feature-based parallax image registration technology is mainly introduced.The research results of parallax image registration in recent years are summarized and expanded from the image registration based on multi-plane alignment,the image registration based on m...