Fast B-spline Transforms for Continuous Image Representation and Interpolation
IEEE Transactions on Pattern Analysis and Machine Intelligence
Two-dimensional signal and image processing
Two-dimensional signal and image processing
Quadratic interpolation for image resampling
IEEE Transactions on Image Processing
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In this paper we propose a novel image interpolation algorithm based on the quadratic B-spline basis function. Our interpolation algorithm preserves the original edges while not destroying the smoothness in flat area using the adaptive interpolation method according to the directional edge pattern of input image, significantly improving the overall performance of the interpolation. Our experimental result shows that it can produce higher quality and resolution than the currently existing image interpolation methods.