The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
An edge-guided image interpolation algorithm via directional filtering and data fusion
Abstract
Preserving edge structures is a challenge to image interpolation algorithms that reconstruct a high-resolution image from a low-resolution counterpart. We propose a new edge-guided nonlinear interpolation technique through directional filtering and data fusion. For a pixel to be interpolated, two observation sets are defined in two orthogonal directions, and each set produces an estimate of the pixel value. These directional estimates, modeled as different noisy measurements of the missing pixel are fused by the linear minimum mean square-error estimation (LMMSE) technique into a more robust estimate, using the statistics of the two observation sets. We also present a simplified version of the LMMSE-based interpolation algorithm to reduce computational cost without sacrificing much the interpolation performance. Experiments show that the new interpolation techniques can preserve edge sharpness and reduce ringing artifacts.
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Citations
Cites
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Cubic splines for image interpolation and digital filtering
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Cited by
Second-Order Attention Network for Single Image Super-Resolution
Dai, T., Cai, J., Zhang, Y., Xia, S.-T., & Zhang, L. (2019) · 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) · doi:10.1109/cvpr.2019.01132 · Cited by 2,010
Self-citationYu, G., Sapiro, G., & Mallat, S. (2012) · IEEE Transactions on Image Processing · doi:10.1109/tip.2011.2176743 · Cited by 561
Deep Network Cascade for Image Super-resolution
Cui, Z., Chang, H., Shan, S., Zhong, B., & Chen, X. (2014) · Lecture Notes in Computer Science · doi:10.1007/978-3-319-10602-1_4 · Cited by 255
Ma, T., & Tian, W. (2021) · The Visual Computer · doi:10.1007/s00371-020-01843-3 · Cited by 16
Metadata
- Authors
- Zhang, L., & Wu, X.
- Venue
- IEEE Transactions on Image Processing
- Published
- 2006-08
- Volume
- 15
- Issue
- 8
- Pages
- 2226-2238
- ISSN
- 1057-7149 (ISSN-L)
- OpenAlex
- W2157190232
- Cited by
- 1,020
- References
- 12
- FWCI
- 16.47
- Type
- journal article
- Language
- en
- Open access
- closed
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