An Efficient Deinterlacing Algorithm Using New Edge-Directed Interpolation
| Autor: | Min-Ki Kim, Je-Chang Jeong |
|---|---|
| Rok vydání: | 2007 |
| Předmět: |
Demosaicing
business.industry ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION Bilinear interpolation Image processing Stairstep interpolation Multivariate interpolation Nearest-neighbor interpolation Image scaling Computer vision Artificial intelligence business Algorithm Mathematics Interpolation |
| Zdroj: | Journal of Broadcast Engineering. 12:185-192 |
| ISSN: | 1226-7953 |
| DOI: | 10.5909/jbe.2007.12.2.185 |
| Popis: | The interpolation is used in many image processing applications such as image enhancement, de-interlacing/scan-rate conversion, wavelet transforms based on the lifting scheme, and so on. Among these, de-interlacing and scan-rate conversion are proposed for the digital TV applications. The de-interlacing algorithm can be classified into two categories. The first one uses only one field, called intra-field de-interlacing, and the other uses multiple field, called inter-field de-interlacing. In this paper, an efficient de-interlacing algorithm using spatial domain information is proposed far the interpolation of interlaced images. By efficiently estimating the directional correlations, improved interpolation accuracy has been achieved. In addition, the proposed method is simply structured and is easy to implement. Extensive simulations conducted for various images and video sequences have shown the efficacy of the proposed method with significant improvement over the previous intra-field do-interlacing methods in terms of the objective image quality as well as the subjective image quality. |
| Databáze: | OpenAIRE |
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