Image Stitching on a Camera Cell Phone T. Brow, S. Elayaperumal, A. Rajgarhia CS223B Winter 2008
Image Stitching on a Camera Cell Phone T. Brow, S. Elayaperumal, A. Rajgarhia CS223B Winter 2008.
Dec 21, 2015
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Image Stitching on a Camera Cell Phone
T. Brow, S. Elayaperumal, A. Rajgarhia
CS223BWinter 2008
Problem
• CPU Size / Memory Budget• CV Libraries not Available
Viewfinder Alignment
• To Estimate Homography• For Faster Similarity Metric
Images from “Viewfinder Alignment” by A. Adams, N. Gelfand & K. Pulli (Eurographics 2008)
VIDEO
Better Stitching in Less Steps
• Corner Detector• Estimate Area of Corresponding Corners
• Run NCC in Nearby Corners• Find Homography
Finding CorrespondencesNearby Search Size: 20 pixels
NCC Threshold: 0.80
Nearby Search Size: 10 pixels
NCC Threshold: 0.95
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