A feature extraction method of high-range-resolution radar profiles, which takes advantage of wavelet packet transform and modified SVD (singular value decomposition) was proposed.
提出了基于小波包变换和改进奇异值分解的高分辨雷达目标一维距离像特征提取方法。
In this article, the linear magnitude predictor of wavelet packet decomposition coefficients, the creation algorithm of images characteristics based on wavelet packet transform have been introduced.
该文建立了自然图像的小波包分解系数绝对值线性预测模型，提出了基于小波包变换的图像特征形成算法。
Aiming at a common copy-paste forgery in the research field of digital image forensics, this paper proposes a detection approach based on wavelet transform and singular value decomposition.
针对数字图像取证中一类常见的复制粘贴图像伪造，本文提出了一种基于小波变换和奇异值分解的检测算法。
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