Intraframe interpolation based on edge detection

Yanping Li; Qian Huang; Yuan Huang; Feng Ye; Yanfang Wang

doi:10.1117/12.2540338

14 August 2019 Intraframe interpolation based on edge detection

Yanping Li, Qian Huang, Yuan Huang, Feng Ye, Yanfang Wang

Proceedings Volume 11179, Eleventh International Conference on Digital Image Processing (ICDIP 2019); 111792B (2019) https://doi.org/10.1117/12.2540338
Event: Eleventh International Conference on Digital Image Processing (ICDIP 2019), 2019, Guangzhou, China

Abstract

In order to eliminate the effect of edge aliasing and blurring caused by deinterlacing algorithm based on traditional edge detection, this paper proposes a novel edge direction determination method. On the basic of the preliminary direction judgment obtained from the absolute difference, the reliability judgment of the direction is added. The correlation between the vertical direction of the current pixel and the pixel mean of the remaining four directions is used to obtain a direction determination criterion, and then interpolation is performed by means of median filtering. The experimental results indicate that the PSNR and visual quality of the proposed algorithm outperforms other existing methods, whether its objective evaluation or subjective evaluation.

Citation Download Citation

Yanping Li, Qian Huang, Yuan Huang, Feng Ye, and Yanfang Wang "Intraframe interpolation based on edge detection", Proc. SPIE 11179, Eleventh International Conference on Digital Image Processing (ICDIP 2019), 111792B (14 August 2019); https://doi.org/10.1117/12.2540338

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KEYWORDS

Edge detection

Video

Detection and tracking algorithms

Digital filtering

Visualization

Image quality

Televisions

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