1 March 2005 Edge-and-corner-directed interpolation
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Abstract
Although the resolution of digital imaging device is rapidly increasing these days, digital photography still suffers from resolution limits when we want to enlarge a small picture. It is widely believed that edges play the important role when we evaluate the perceptual quality of resized images, and several edge-directed approaches have been proposed to soothe unwanted edge effects: jagging and blurring Edge-only-directed interpolations generally produce crispier edges than traditional interpolations such as bi-linear or bi-cubic, but they usually take longer time and sometimes create unacceptable defects where their edge estimation is incorrect. In this paper, we will address a new approach to compensate for blurring and aliasing effects using edge and corner cues in a given image.
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Hongseok Kim, Hongseok Kim, Chang-Joon Park, Chang-Joon Park, Sung-Eun Kim, Sung-Eun Kim, In-Ho Lee, In-Ho Lee, } "Edge-and-corner-directed interpolation", Proc. SPIE 5672, Image Processing: Algorithms and Systems IV, (1 March 2005); doi: 10.1117/12.588159; https://doi.org/10.1117/12.588159
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