IEEE Trans Image Process - Nonlinear image upsampling method based on radial basis function interpolation.

Tópicos

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Resumo

In this paper, we present a novel edge-directed upsampling method based on radial basis function (RBF) interpolation. In order to remove artifacts such as blurred edges or blocking effects, we suggest a nonlinear method capable of taking edge information into account. The resampling evaluation is determined according to the edge orientation. The proposed scheme is as simple to implement as linear methods but it demonstrates improved visual quality by preserving the edge features better than the classical linear interpolation methods. The algorithm is compared with some well-known linear schemes as well as recently developed nonlinear schemes. The resulting images demonstrate the new algorithm's ability to magnify an image while preserving the edge features.

Resumo Limpo

paper present novel edgedirect upsampl method base radial basi function rbf interpol order remov artifact blur edg block effect suggest nonlinear method capabl take edg inform account resampl evalu determin accord edg orient propos scheme simpl implement linear method demonstr improv visual qualiti preserv edg featur better classic linear interpol method algorithm compar wellknown linear scheme well recent develop nonlinear scheme result imag demonstr new algorithm abil magnifi imag preserv edg featur

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