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- Discrete wavelet transfer 离散小波变换
- 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融合算法。
- LBT costs 38% computation as the discrete wavelet based , and only buffers 1/15 data that DWT does. 该算法中LBT所需的存储开销不到DWT的1/15,计算量仅为DWT的38%25,基函数长度适中。
- However, it performs a little worse compared to the conventional Discrete Wavelet Transform(DWT) for lossy compression. 而在有损压缩方面,其效果通常稍逊于传统的离散小波变换(DWT)。
- A content-based watermarking model based on discrete wavelet transform (DWT) is presented. 摘要提出一种小波域基于图像内容的局部化自适应数字水印算法。
- Traditional discrete wavelet transform, which is sensitive to the position of the signal, is not shiftable. 普通的离散小波变换对信号的起始位置非常敏感,不具有平移不变性。
- A kind of method of two-level signature verification based on discrete wavelet transform(DWT) was introduced. 介绍了一种利用离散小波变换提取特征的二级签名认证方法。
- Fundamental theory of denoise by wavelet introduced, wavelet transfer is applied to the denoise of body-surface electrogastrogram signals. 本文在介绍了小波去噪基本理论的基础上,把小波变换应用于体表胃电信号去噪处理中。
- This paper is directed to the application of wavelet transfer and derivative in the NIR analysis of octane number (RON). 考察了微分噪音对辛烷值分析精度的影响以及小波去噪对微分光谱的噪音扣除以及对辛烷值分析精度改善情况。
- Recently,image compression algorithms based on Discrete Wavelet Transform（DWT） emerge in plenty. 摘要 近来,基于小波变换的各种压缩算法大量出现。
- A novel digital watermarking scheme based on the kinoform and discrete wavelet transform (DWT) is proposed. 提出一种基于相息图和小波变换的数字水印方案。
- Abstract： The discrete wavelet transform (DWT) has been applied to signal processing systems. 摘 要： 离散小波变换已广泛应用于信号处理中。
- Wavelet transfer (WT) is a powerful technique in signal separation.It is very easy for WT to separate random noise from useful signals, and to increase signal to noise ratio. 小波变换具有很强的信号分离能力，很容易把随机噪音从信号中分离出来，从而提高信号的信噪比。
- The work concerns with the watermarking algorithm that embed image data invisibly into a color image based on Discrete Wavelet Transform (DWT). 本文提出了一种基于离散小波变换 ( DWT)的彩色图像数字水印算法 .
- For the multidirectional images, Dual-Tree Complex Wavelet Transform (DTCWT) was employed instead of the traditional Discrete Wavelet Transform (DWT). 对于多方向性的图像，使用双树复小波变换取代传统的离散小波变换。
- An algorithm based on discrete wavelet transform(DWT) and wavelet packet decomposition(WPD) for speech enhancement was presented. 提出了一种基于离散小波变换(DWT)和小波包分解(WPD)的语音增强算法。
- The article discusses a kind of image-based adaptive visible digital watermarking treatment technology in discrete wavelet transform (DWT). 摘要主要研究在小波变换域中，基于图像特征的自适应可见数字水印嵌入处理技术。
- The PRI transfer algorithm and wavelet transfer algorithm is analysed firstly,then a method of radar signal sorting is proposed in this paper based on the advantages of the two algorithms. 分析了脉冲重复间隔(PRI)变换算法和小波变换算法的基本原理,针对两种算法在雷达信号分选中的优缺点,提出了一种基于PRI变换和小波变换相结合的雷达信号综合分选方法。
- The paper presents a new binary watermark method based on Run Length Encoding（RLE） and Discrete Wavelet Transform（DWT）. 摘要 提出了一种二值水印嵌入方案。
- Considering robustness of watermark, we choice low frequency Coefficients of DWT(Discrete Wavelet Transformation) to embed black and white watermark. 出于鲁棒性考虑，我们对图像进行小波变换，选择在小波域的低频系数中嵌入二值水印。
