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Image Stitching on a Camera Cell Phone

Image Stitching on a Camera Cell Phone. T. Brow, S. Elayaperumal, A. Rajgarhia CS223B Winter 2008. Problem. CPU Size / Memory Budget CV Libraries not Available. Viewfinder Alignment. To Estimate Homography For Faster Similarity Metric .

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Image Stitching on a Camera Cell Phone

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  1. Image Stitching on a Camera Cell Phone T. Brow, S. Elayaperumal, A. Rajgarhia CS223B Winter 2008

  2. Problem • CPU Size / Memory Budget • CV Libraries not Available

  3. Viewfinder Alignment • To Estimate Homography • For Faster Similarity Metric Images from “Viewfinder Alignment” by A. Adams, N. Gelfand & K. Pulli (Eurographics 2008)

  4. VIDEO

  5. Better Stitching in Less Steps • Corner Detector • Estimate Area of Corresponding Corners • Run NCC in Nearby Corners • Find Homography

  6. Finding Correspondences Nearby Search Size: 20 pixels NCC Threshold: 0.80 Nearby Search Size: 10 pixels NCC Threshold: 0.95

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