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- W2368133084 abstract "This paper presents a fast global motion estimation algorithm based on image pyramid decomposition.In order to improve the calculation speed and the accuracy,a three-level pyramid is utilized in the multi-resolution calculation.In the third pyramid level,the blocks are prejudged and the unreliable ones are removed.The camera motion parameters are obtained by block-matching and mapped to the second level.In the former two pyramid levels,the unreliable blocks are removed by the algorithm of block prejudgment and blocks outlier detection,and the feature pixels in the remaining pixels are selected.Finally,the camera motion parameters are accurately calculated.In each pyramid level,the least squares method of double iteration is used to calculate the parameters,and the accuracy of the calculation is further improved.Experimental results show that the algorithm is superior to original algorithms in velocity and accuracy." @default.
- W2368133084 created "2016-06-24" @default.
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- W2368133084 date "2011-01-01" @default.
- W2368133084 modified "2023-09-28" @default.
- W2368133084 title "A fast global motion estimation algorithm using image pyramid decomposition" @default.
- W2368133084 hasPublicationYear "2011" @default.
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