Image processing method and apparatus for block-based correspond

Details Image processing method and apparatus for block-based correspond Image processing method and apparatus for block-based correspond

1995-07-11

1998-03-31

Boudreau, Leo

Image analysis

Applications

3-d or stereo imaging analysis

382173, G06T 920

Patent

active

057347433

ABSTRACT:
An image processing method and apparatus for block-based corresponding-point extraction with high-precision, even if an image includes a discontinuous portion. The method comprises an extraction step of extracting edges or outline of a plurality of images, a dividing step of dividing the images into a plurality of blocks in such a manner that every block contains no edge and the sides of every block do not intersect with an edge, and a corresponding-point determination step of determining corresponding points between the images, based on similarity between one block of one image and a corresponding block of another image. Thus, even if one of the images includes a discontinuous portion, the corresponding-point extraction can be smoothly performed.

REFERENCES:
patent: 4700398 (1987-10-01), Mizuno et al.
patent: 4825393 (1989-04-01), Nishiya
L.H. Quam, "Hierarchical Warp Stereo", Proc. of DARPA Image Understanding Workshop, pp. 149-155 (1984); reprinted with permission of DARPA and the author in M.A. Fischler, Readings in Computer Vision: Issues, Problems, Principles, and Paradigms, pp. 80-86 (1987).
T. Kanado and M. Okutomo, "A Stereo Matching Algorithm with an Adaptive Window: Theory and Experiment," Proc. of International Conference on Computer Vision, pp. 383-388 (1990).

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