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- This method firstly extracts multiple features of target in theses sub-band images after transforming the IR images using discrete wavelet frame transform. 该方法在对红外图像进行离散小波框架变换的基础上，提取目标在各子带图像上的多个特征；
- discrete wavelet frame 离散小波框架
- 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。
- This paper uses the digital wavelet frame (DWF) combined with nonlinear soft-thresholding method to denoise the transient scatter response signal. 利用离散小波框架(DWF)结合非线性软阈值方法对瞬态雷达反射回波信号进行去噪处理。
- 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。
- 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。
- 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 .
- Since signal processing is essential in acoustic measurement, we use FIR(finite impulse response)filter ,which is designed by Parls-McClellan algorithm,combined with wavelet frame theory to process signals. 由于信号处理在声波检测技术中至关重要,我们对其做了具体的分析、探讨后,提出使用Parks-McClellan算法设计FIR滤波器和小波框架理论相结合的信号处理方法是有效的。
- 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 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。
- In the detecting step, the moving objects are segmented with the third level DWT (discrete wavelet transform) and background difference. 在检测部分，采用第三级离散小波变换和背景差分进行了目标分割。
