...拉普拉斯模型; 因子估计 [gap=1143]rds: speech enhancement; speech component estimation; discrete cosine transform; Laplacian model; factor estimation ...
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laplacian distribution model 拉普拉斯分布模型
Laplacian rate-distortion model 拉普拉斯率失真模型
Laplacian detail transfer model 拉普拉斯细节迁移模型
The results of the tests show that the generalized Gaussian model is better than the Laplacian model in portraying the distribution of the AC DCT coefficients.
检验结果表明，广义高斯模型比拉普拉斯模型更准确地反映了DCT交流系数的分布。
There is no consensus on the distribution of the AC DCT coefficients till now. In this work, the generalized Gaussian model and the Laplacian model, which are used most widely, were studied.
针对离散余弦变换（DCT）系数分布模型类型存在的异议，研究并比较了拉普拉斯模型和广义高斯模型。
The ac coefficients of an image's Discrete Cosine Transform (DCT) are best approximated by Laplacian distribution model. Based on this model, the blind information hiding algorithm was proposed.
基于图像离散余弦变换(DCT)交流系数的拉普拉斯分布模型，提出了一种盲提取数字图像信息隐藏算法。
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