A robust image-adaptive public watermarking technique based on discrete wavelet transform ( DWT ) was proposed in this paper. 提出了一种鲁棒的基于分块离散小波变换(DWT)(DWT)的图像自适应公开水印技术。
The experiments show that the proposed method outperforms the methods based on the Laplacian pyramid and discrete wavelet transform. 实验对比结果表明,该方法明显优于拉普拉斯金字塔融合算法和离散小波变换(DWT)融合算法。
Two approaches, single decomposition approach and multi-decomposition approach, using discrete wavelet transform for extracting phase in phase profilometry are proposed. 提出了两种在相位轮廓术中使用离散小波变换(DWT)提取条纹相位的方法:单次分解法和多次分解法。
Through analysis of the characteristics of discrete wavelet transform, it proposes the2d vector graphics watermarking algorithm based on discrete wavelet transform. 通过分析离散小波变换(DWT)的特点,提出了基于离散小波变换(DWT)的二维矢量图形水印算法。
Discontinuity Detection of Signal Based on Discrete Wavelet Transform(DWT) of DSP 基于DSP离散小波变换(DWT)的信号不连续性检测技术