关键词: 航拍图像序列, 自动拼接, SIFT特征, 图像几何校正, 图像镶嵌

Abstract: A new approach for automatic stitching of aerial image sequence was proposed, based on the SIFT (Scale Invariant Feature Transform) features. It consisted of two core steps: image registration and mosaic. The variations between two consecutive frames in aerial sequence are always very notable, thus the present commonlyused featurebased methods are not very suitable for their registration. Concerning this, an iterative registration method using the SIFT features was put forward. Moreover, for image mosaic, a new color fusion method was proposed to achieve smooth stitching results based on human visual features. Finally, experiments on real aerial sequences prove the effectiveness of the proposed stitching approach.

Key words: automatic stitching of aerial image sequence, automatic stitching, Scale Invariant Featuer Transform (SIFT) feature, image geometric transform, image mosaic