Method for motion estimation

Image analysis – Applications – Motion or velocity measuring

Reexamination Certificate

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C382S103000, C382S128000, C382S286000, C375S362000, C375S371000

Reexamination Certificate

active

07831065

ABSTRACT:
A method for motion estimation of sequences of images is proposed, wherein for consecutive frames (f1, f2) respective corresponding consecutive Fourier transformed frames (F1, F2) are determined, and wherein motion parameters for translation, rotation and/or for scaling are derived based on a phase relationship between said respective corresponding consecutive Fourier transformed frames (F1, F2), and in particular based on translational, rotational and/or scaling properties of the Fourier transforming process.

REFERENCES:
patent: 6295367 (2001-09-01), Crabtree et al.
patent: 7187810 (2007-03-01), Clune et al.
Ertürk S: “Translation, Rotation and Scale Stabilisation of Image Sequences” Electronics Letters, IEE Stevenage, GB, vol. 39, No. 17, Aug. 21, 2003, pp. 1245-1246, XP006020891.
Srinivasa Reddy B et al: “An FFT-Based Technique for Translation, Rotation, and Scale-Invariant Image Registration” IEEE Transactions on Image Processing, IEEE Inc. New York, US, vol. 5, No. 8, Aug. 1, 1996, pp. 1266-1271, XP000595725.
Kuglin C D et al: “The Phase Correlation Image Alignment Method” Proceedings of the 1975 International Conference on Cybernetics and Society IEEE New York, NY, USA, 1975, pp. 163-165, XP000828000.
Pearson J J et al: “Video-Rate Image Correlation Processor” Proceedings of the Society of Photo-Optical Instrumentation Engineers, vol. 119. Applications of Digital Image Processing Soc. Photo-Optical Instrumentation Engrs Bellingham, WA, USA, 1977, pp. 197-205, XP009043064.
Television Motion Measurement For DATV and Other Applications, by G. A. Thomas, B.A. (Hons), A.M.I.E.E., BBC, Research Department Report, Sep. 1987, Research Department, Engineering Division, The British Broadcasting Corporation.
On the Estimation of Global Motion Using Phase Correlation For Broadcast Applications, by Hill, et al., University of Surrey, UK, Image Processing and its Applications, Conference Publication No. 465 @ IEE 1999.
Digital Image Stabilization with Sub-Image Phase Correlation Based Global Motion Estimation, by S. Ertürk, Member IEEE, IEEE Transactions on Consumer Electronics, vol. 49, No. 4, Nov. 2003.

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