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- W1982980631 abstract "ABSTRACT A new adaptive algorithm for image zooming with edge preservation is proposed. The 4point interpolation scheme is introduced to resample the original low_resolution image. By using the wavelettransform and inverse wavelet transform, edges in original image are extracted and restored to the final high_resolution image automatically.Key words: image interpolation, image zooming, edge detect, image restoration, wavelet transform 1. INTRODUCTIONImage resolution enhancement is widely used for several different purposes, such as photographic zooming, high definition TV, medical image reconstruction and so on. Most methods have been proposed to apply a linear or nonlinear interpolation functions to the whole image indiscriminately, it will result in aliasing, edge blurring and other artifacts.' 2 To avoid these defects,several adaptive methods are also presented in the recent years. Based on analyzing the features of originalimage pixel by pixel, different resampling schemes are adopted.3 4" @default.
- W1982980631 created "2016-06-24" @default.
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- W1982980631 date "1998-09-25" @default.
- W1982980631 modified "2023-09-23" @default.
- W1982980631 title "<title>Four-point interpolation for image zooming with edge preservation</title>" @default.
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- W1982980631 doi "https://doi.org/10.1117/12.323660" @default.
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