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王欣波; 胡建华; 王云宽; 吴少泓; 陆浩
Source Publication华南理工大学学报(自然科学版)
Other AbstractThe traditional error diffusion algorithm may cause unexpected artifacts to produce and it can’t present the details very well. In order to solve these problems, an error diffusion algorithm with variable coefficients is proposed on the basis of texture structure and tone awareness. In the algorithm, first, according to the local visual errors of an image, the threshold modulation is modified by performing the noise modulation in the smooth regions and by utilizing the texture information in the textured regions. Then, by taking into consideration the spectral characteristic of blue noise and the spatial characteristic of the image, the adaptive error diffusion coefficients at each gray level are obtained by using the ant colony optimization. Experimental results show that the proposed algorithm can output halftone images to reduce the unexpected artifacts and can ensure the details of the texture structure, and that it has a better performance in terms of PSNR and MSSIM.
Keyword误差扩散 图像纹理 噪声调制 蚁群算法
Document Type期刊论文
Corresponding Author胡建华
Recommended Citation
GB/T 7714
王欣波,胡建华,王云宽,等. 纹理与色调感知的变系数误差扩散算法[J]. 华南理工大学学报(自然科学版),2016,44(9):41-46.
APA 王欣波,胡建华,王云宽,吴少泓,&陆浩.(2016).纹理与色调感知的变系数误差扩散算法.华南理工大学学报(自然科学版),44(9),41-46.
MLA 王欣波,et al."纹理与色调感知的变系数误差扩散算法".华南理工大学学报(自然科学版) 44.9(2016):41-46.
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