Distinctive Image Features from Scale-Invariant Keypoints
International Journal of Computer Vision
Selection weighted vector directional filters
Computer Vision and Image Understanding - Special issue on color for image indexing and retrieval
An iterative image registration technique with an application to stereo vision
IJCAI'81 Proceedings of the 7th international joint conference on Artificial intelligence - Volume 2
Digital image translational and rotational motion stabilization using optical flow technique
IEEE Transactions on Consumer Electronics
A pyramid approach to subpixel registration based on intensity
IEEE Transactions on Image Processing
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The article is dealing with an approach of the real-time video sequences preprocessing for the global motion removing. In some cases, such a movement is unwanted (e.g. the probe movement during medical scanning) and complicates its further processing. In principle, the presented approach is based on optical flow method. Two methods for the vector field analysis are presented and their result - the global motion vector - is used for motion compensation. Introduced methods are compared even with some simpler and robust methods.