cylindrical panoramas

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1 Jana Kosecka, CS 223b Cylindrical panoramas Cylindrical panoramas

Author: demitrius-gryphon

Post on 31-Dec-2015

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Cylindrical panoramas. Rotation Only - Calibrated Case. Calibrated Two views related by rotation only Mapping to a reference view – rotation can be estimated Mapping to a cylindrical surface. Matching SIFT Features. [Brown 2003]. Reject Outliers using RANSAC. [Brown 2003]. - PowerPoint PPT Presentation

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  • Cylindrical panoramas

    UCLA Extension Short Course

  • Rotation Only - Calibrated CaseCalibrated Two views related by rotation only

    Mapping to a reference view rotation can be estimated

    Mapping to a cylindrical surface

    UCLA Extension Short Course

  • Matching SIFT Features[Brown 2003]

    UCLA Extension Short Course

  • Reject Outliers using RANSAC[Brown 2003]

    UCLA Extension Short Course

  • Stitching Images[Brown 2003]

    UCLA Extension Short Course

  • Do we have to project on to a plane ?Camera Center

    UCLA Extension Short Course

  • Cylindrical ProjectionCamera Center

    UCLA Extension Short Course

  • Cylindrical projectionMap 3D point (X,Y,Z) onto cylinderunit cylinder

    UCLA Extension Short Course

  • Cylindrical ProjectionYX

    UCLA Extension Short Course

  • Inverse Cylindrical projection

    UCLA Extension Short Course

  • Removing SeamsDifferences in exposureVignettingSmall misalignments[Brown 2003]

    UCLA Extension Short Course

  • Multi-band Blending[Burt and Adelson 1983]Multi-resolution technique using image pyramidHides seams but preserves sharp detail[Brown 2003]

    UCLA Extension Short Course