Scale-Aware Guided and Structure-Preserved Texture Filter
2022
In this letter, a new texture filter with scale-aware gradients and structural preservation is proposed. The proposed filter uses a hybrid
$L_{0}$
-
$H^{-1} $
variational model via measuring sparsity with scale-aware gradients by the
$L_{0}$
norm and structural fidelity by the
$H^{-1}$
norm with the embedded Laplacian operator. Extensive qualitative and quantitative experimental results demonstrate that the proposed method 1) smooths small-scale low/high contrast textures and intensive noise while preserving sharp and prominent structures simultaneously; 2) significantly outperforms state-of-the-art texture filtering methods; and 3) has fast convergence.
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