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ACSC '04 Proceedings of the 27th Australasian conference on Computer science - Volume 26
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Subpixel registration directly from the phase difference
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Improved Phase Correlation Matching
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Pattern Recognition Letters
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IEEE Transactions on Image Processing
Phase information and space filling curves in noisy motion estimation
IEEE Transactions on Image Processing
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ISVC '09 Proceedings of the 5th International Symposium on Advances in Visual Computing: Part II
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EURASIP Journal on Information Security - Special issue on enhancing privacy protection in multimedia systems
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ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Performance evaluation using mandelbrot images for images registration algorithms
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
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IEEE Transactions on Image Processing
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IEEE Transactions on Image Processing
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Optical flow estimation with prior models obtained from phase correlation
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part I
Mutual information refinement for flash-no-flash image alignment
ACIVS'11 Proceedings of the 13th international conference on Advanced concepts for intelligent vision systems
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ICIAR'05 Proceedings of the Second international conference on Image Analysis and Recognition
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Computers and Electrical Engineering
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In this paper, we have derived analytic expressions for the phase correlation of downsampled images. We have shown that for downsampled images the signal power in the phase correlation is not concentrated in a single peak, but rather in several coherent peaks mostly adjacent to each other. These coherent peaks correspond to the polyphase transform of a filtered unit impulse centered at the point of registration. The analytic results provide a closed-form solution to subpixel translation estimation, and are used for detailed error analysis. Excellent results have been obtained for subpixel translation estimation of images of different nature and across different spectral bands