REGISTRATION OF LOCALLY DISTORTED IMAGES BY MULTIWINDOW PATTERN MATCHING AND DISPLACEMENT INTERPOLATION: THE PROPOSAL OF AN ALGORITHM AND ITS APPLICATION TO DIGITAL SUBTRACTION ANGIOGRAPHY.

Masashi Yanagisawa, Sadahiko Shigemitsu, Takao Akatsuka

Research output: Chapter in Book/Report/Conference proceedingConference contribution

23 Scopus citations

Abstract

An algorithm for the automatic registration of two image frames with local geographic distortion is proposed. The algorithm produces local pattern matching in multiple windows to obtain local misregistration vectors. The optimal average frame shift is estimated from these vectors by the least squares method. Finally, the residual local displacement vectors are interpolated to the whole frame to compensate for the distortion of the other frame. The precision of the pattern matching involving a fractional-pixed shift is evaluated by simulation with various signal-to-noise ratios of images and window sizes. As an example of practical application, a Digital Subtraction Angiogram registered by this algorithm is shown.

Original languageEnglish (US)
Title of host publicationProceedings - International Conference on Pattern Recognition
PublisherIEEE
Pages1288-1291
Number of pages4
ISBN (Print)0818605456
StatePublished - Dec 1 1984

Publication series

NameProceedings - International Conference on Pattern Recognition
Volume2

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition

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    Yanagisawa, M., Shigemitsu, S., & Akatsuka, T. (1984). REGISTRATION OF LOCALLY DISTORTED IMAGES BY MULTIWINDOW PATTERN MATCHING AND DISPLACEMENT INTERPOLATION: THE PROPOSAL OF AN ALGORITHM AND ITS APPLICATION TO DIGITAL SUBTRACTION ANGIOGRAPHY. In Proceedings - International Conference on Pattern Recognition (pp. 1288-1291). (Proceedings - International Conference on Pattern Recognition; Vol. 2). IEEE.