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ImageStitchingandPanoramas.ppt

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ImageStitchingandPanoramasWhyPanoramas?WhyPanoramas?WhyPanoramas?WhyPanoramas?WhyPanoramas?TheFirstPanoramas……andPanoramicCamerasHowtheyworkHowtheywork(usingComputerVision)Today’sAgendaIncreasingtheFieldofViewExampleProjectionontoCommonImagePlaneProjectionontoCommonImagePlaneCameraCenterAligningImagesCameraCenter(0,0,0)CameraCenter(0,0,0)CameraCenter(0,0,0)Sebastian’sCountingGameSebastian’sCountingGameFindingthehomographiesFindingthehomographiesFindingthehomographiesFindingthehomographiesHomographiesbyFeatureMatchingHomographiesbyFeatureMatchingSebastian’sCountingGameSebastian’sCountingGameMatchingSIFTFeaturesRejectOutliersusingRANSACStitchingImagesviaHomographiesWhydowegetseams?Multi-bandBlendingPanoramicStitchingAlgorithmDowehavetoprojectontoaplane?CylindricalProjectionGeneralCameraMotionToday’sAgendaAutostitchAutostitch:ExampleAutostitchMoreSoftwareSummaryLimitationsToday’sAgendaVideoPanoramasPanoramicVideoTexturesPanoramicVideoTexturesMulti-perspectivePanoramasMulti-perspectivePanoramasMulti-perspectivePanoramasDrivingdirectionsofthefuture?LoftierGoal:computingphotographsMulti-perspectivePanoramas