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Example-based super-resolution
Abstract
We call methods for achieving high-resolution enlargements of pixel-based images super-resolution algorithms. Many applications in graphics or image processing could benefit from such resolution independence, including image-based rendering (IBR), texture mapping, enlarging consumer photographs, and converting NTSC video content to high-definition television. We built on another training-based super-resolution algorithm and developed a faster and simpler algorithm for one-pass super-resolution. Our algorithm requires only a nearest-neighbor search in the training set for a vector derived from each patch of local image data. This one-pass super-resolution algorithm is a step toward achieving resolution independence in image-based representations. We don't expect perfect resolution independence-even the polygon representation doesn't have that-but increasing the resolution independence of pixel-based representations is an important task for IBR.
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Metadata
- Authors
- Freeman, W. T., Jones, T. R., & Pasztor, E. C.
- Venue
- IEEE Computer Graphics and Applications
- Published
- 2002
- Volume
- 22
- Issue
- 2
- Pages
- 56-65
- ISSN
- 0272-1716 (ISSN-L)
- OpenAlex
- W2097074225
- Cited by
- 2,498
- References
- 0
- FWCI
- 30.70
- Type
- journal article
- Language
- en
- Open access
- closed
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