An efficient intra deinterlacing algorithm with gradient detection and window matching
- Authors
- Kim, Wonki; Jin, Soonjong; Jeong, Jechang
- Issue Date
- Sep-2007
- Publisher
- International Conference on Multimedia
- Keywords
- Deinterlacing; Gradient detection; Interpolation; Window matching
- Citation
- Proceedings of the ACM International Multimedia Conference and Exhibition, pp.747 - 750
- Indexed
- SCOPUS
- Journal Title
- Proceedings of the ACM International Multimedia Conference and Exhibition
- Start Page
- 747
- End Page
- 750
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/179567
- DOI
- 10.1145/1291233.1291401
- ISSN
- 0000-0000
- Abstract
- This paper presents a novel intra deinterlacing algorithm (NID) based on content adaptive interpolation. The NID consists of three steps: pre-processing, content classification, and content adaptive interpolation. There are also three main interpolation methods in our proposed NID, i.e. modified edge-based line averaging (M-ELA), gradient directed interpolation (GDI), and window matching method (WMM). Each proposed method shows different performances according to spatial local features. Therefore, we analyze the local region feature using the gradient detection and classify each missing pixel into four categories. And then, based on the classification result, a different de-interlacing algorithm is activated in order to obtain the best performance. Experimental results demonstrate that the NID method performs better than previous techniques.
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