Spatial error concealment using pixelwise fine directional interpolation
- Authors
- Kim, Wonki; Jin, Soonjong; Jeong, Jechang
- Issue Date
- Jul-2007
- Publisher
- CSS
- Keywords
- Directional interpolation; Error concealment; FDI; Image recovery
- Citation
- Proceedings of the Fifth IASTED International Conference on Circuits, Signals, and Systems, CSS 2007, pp.160 - 165
- Indexed
- SCOPUS
- Journal Title
- Proceedings of the Fifth IASTED International Conference on Circuits, Signals, and Systems, CSS 2007
- Start Page
- 160
- End Page
- 165
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/179833
- DOI
- 10.5555/1659760.1659795
- ISSN
- 0000-0000
- Abstract
- This paper presents a block loss recovery technique for the image block data corrupted by transmission losses through the employment of fine directional interpolation (FDI). The proposed algorithm introduces a spatial direction vector (SDV). The SDVs are extracted from the edge information of the neighboring image data. Subsequently, the SDVs are adaptively applied to interpolate lost pixels on a pixel-by-pixel basis. This approach improves the capability to more reliably recover high-detailed contents in the corrupted block. Experimental results demonstrate that the FDI method performs better as compared to previous techniques.
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