DWT
推荐文章
释义
离散沃尔什变换；
权威例句
Combined DWT-DCT digital image watermarkingThe double-density dual-tree DWT
DWT-based technique for spatio-frequency masking of digital signatures
DWT-based technique for spatio-frequency masking of digital signatures
Robust DWT-SVD domain image watermarking:embedding data in all frequencies
A DWT-DFT composite watermarking scheme robust to both affine transform and JPEG compression
A comparison of DFT and DWT based similarity search in time-series databases
A new robust reference watermarking scheme based on DWT-SVD
Asymptotically optimal detection for additive watermarking in the DCT and DWT domains
Asymptotically optimal detection for additive watermarking in the DCT and DWT domains.
1. This paper explained some basic concepts, basic principles and applied methods about DCT digital watermarking algorithm and DWT digital watermarking algorithm.
文章阐述了DCT数字水印算法与DWT数字水印算法的基本概念、基本原理及具体算法实现。
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2. A scheme of digital image watermarking using the combination of discrete wavelet transform (DWT), discrete cosine transform(DCT) and independent components analysis(ICA) is proposed.
本文提出了一种结合离散小波变换（DWT）、离散余弦变换（DCT）和独立分量分析（ICA）的图像数字水印方法。
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3. Image compression technology based on the DWT is an important application aspect of the wavelet analysis theory.
基于DWT的图像压缩技术是小波分析理论的一个重要应用方面。
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4. The article introduced the components, working principle of the air handling, fan-coil system on 3 500 DWT MPV and also compared the merit and demerit of fan-coil system on it.
主要介绍3500DWT多用途船空气处理系统和风机盘管系统的组成及其工作原理，并对风机盘管系统的优缺点进行了比较。
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5. The experiment results show that the system built on DWT-MFC has better noise robustness than on LPCC and MFCC.
实验表明，与（LPCC）和（MFCC）参数相比，采用DWT-MFC参数使系统的噪声鲁棒性得到显著的提高。
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6. Compared with JPEG, JPEG 2000 made substantial improvements, the most important of which is discrete wavelet transform (DWT) instead of the JPEG standard discrete cosine transform.
与JPEG相比，JPEG2000作了大幅改进，其中最重要的是用离散小波变换（DWT ）替代了JPEG标准中的离散余弦变换。
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7. The discrete wavelet transform (DWT) has been adoppted as the core transforming algorithm in JPEG2000, a latest static image compression standard.
最新的静态图像压缩标准JPEG2000就是以离散小波变换（DWT）作为核心的变换算法。
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8. The data payload of gray-level watermark can be greatly reduced by DWT compression.
利用DWT压缩编码技术，有效地减少了灰度级水印的数据量。
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9. This paper discusses digital watermark technology in image used in copyright protection and gives two new watermarking algorithms DCT domain and DWT domain.
本文研究的是图像数字水印在版权保护中的应用，着重探讨了DCT域和DWT域的水印算法。
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10. There are two main transform domain methods, one is to use the discrete cosine transformation (DCT) ; the other would be the use of discrete wavelet transforms (DWT).
目前主要有两种变换域方法，一种是使用离散余弦变换（DCT），另一种是使用离散小波变换（DWT）。
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11. A novel meaning binary image digital watermarking algorithm based on DWT and DCT is proposed.
提出一种基于DWT和DCT域的有意义二值图像数字水印算法；
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12. Experimental results show that the feature extraction method presented in this paper outperforms the traditional methods, such as DCT and DWT.
识别实验证明，这种视频特征提取方法比传统DCT、DWT方法能够带来更高的识别率；
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13. Recently, a few of digital watermarking sharing algorithms based on DCT are accomplished in some literatures. An improved digital watermarking-sharing algorithm based on DWT is presented.
改进DCT域中的数字水印分存算法，提出了一种在DWT域中利用多数字基整数实现的数字水印分存算法。
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14. This paper adopts the three-level DWT to decompose background and image sequences, and detects moving objects only using background difference among those low frequency sub-images.
本文利用DWT对背景和序列图像进行三层分解，仅将低频子图进行背景差分提取了运动目标。
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15. 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）。
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16. A novel systolic array architccture for computing discrete orthogonal transforms such as DCT, DHT(DWT) and DFT is proposed.
本文提出一种新型计算离散正交变换如DCT、DHT（DWT）和DFT的脉动阵列实现。
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17. The biorthogonal wavelet bases for watermarking in DWT domain is investigated.
研究了DWT域水印算法中的双正交小波基。
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18. In this paper, a multipurpose image watermarking algorithm based on chaos and DWT(Discrete Wavelet Transform) is proposed.
提出了一种基于混沌的DWT域多功能图像数字水印算法。
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19. IWT achieves great success in the lossless coding and compression, but its efficiency in the loss compression is far lower than the traditional DWT.
IWT在无损编码与压缩中获得了很大成功，但在有损压缩效率上远低于传统的DWT。
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20. Then, two new embedding technologies about gray digital watermarking are suggested, based on DWT and DCT separately. The author implements them and analyzes their results and performances.
随后提出了两种分别基于DWT和DCT变换的嵌入灰度图水印的新方法，加以实现并对实验结果和算法性能进行初步分析讨论。
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21. Anatomizing the advantage and disadvantage of traditional safety printing methods and the theory and algorithm of DCT, DFT, DWT, the water marking is used firstly in safety printing field.
分析了传统印刷图文防伪方法的优缺点及DCT、DFT、DWT理论与算法。将数字水印技术应用到印刷防伪领域。
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22. Compared with DCT-based system, DWT-base watermark system is an adaptive system.
相比较DCT系统，DWT水印系统可以实现水印的自适应嵌入。
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23. By using the DWT-702 precise automatic temperature control apparatus, the system can attentively record the effect of temperature in the additive coloration process.
利用DWT-702精密温度控制仪对炉温实现了精密调节，可较为细致地研究加色温度对色心类型、浓度及均匀性的影响。
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24. In this paper, an adaptive digital watermarking technique in the DCT domain and a digital watermarking technique based on multiresolution decomposition (the DWT domain) are proposed.
本文提出了两种不同的变换域方法：一种是基于DCT域的自适应水印算法； 另一种是基于多分辨率分解（DWT）的水印算法。
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25. Compared with those methods based on DFT and DWT, it is more efficient in theory and experiment.
与基于DFT、DWT的搜索方法相比，该方法在理论分析和实验结果上都显示出较高的效率。
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26. By studying three dimensional discrete wavelet transform(3D DWT) core algorithm in deepness, the paper divides it into three one dimensional discrete wavelet transforms(1D DWT).
通过深入研究三维离散小波变换（3DDWT）核心算法，将其分解为3个一维的小波变换（1DDWT）。
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27. By studying three dimensional discrete wavelet transform(3D DWT) core algorithm in deepness, the paper divides it into three one dimensional discrete wavelet transforms(1D DWT).
通过深入研究三维离散小波变换（3DDWT）核心算法，将其分解为3个一维的小波变换（1DDWT）。
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28. An audio information hiding technology in DWT(discrete wavelet transform) domain based on chaotic map and modified Patchwork algorithm is presented. A piece of secret speech is hidden in the host audio signal,and can be recovered without loss.
基于混沌映射和改进Patchwork算法的dwt(discretewavelettransform)域音频信息隐藏技术,实现保密语音在音频信号中的隐藏与恢复。
-- 来源 -- 网友提供
29. deadweight tonnage - DWT: The weight in long tons that a vessel can carry when fully laden.
载重吨位(简写为dwt):指一个交通工具完全装满后可载的英吨重量。
-- 来源 -- 英汉 - 翻译样例 - 经济
30. Sludge treatment systems delivered by DWT are economical, effective and user friendly.
dwt 公司生产的污泥处理系统十分经济、效并且操作界面友好。
-- 来源 -- www.dwteng-asia.com.cn
31. This paper points out that for the embedded zerotree wavelet( EZW) image coding, the discrete wavelet transfor( DWT) must be calculated with the original coefficient of the filters, scaling the coefficient of the filters can influence the performance of the coding.
首先分析并指出了对于零数编码来说,小波变换时应当使用原始滤波器系数参与运算,而对滤波器系数进行缩放会影响其编码性能.
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32. DWT systems have proven this in numerous applications.
dwt的系统在许多实际应用中已经证明了这点。
-- 来源 -- www.dwteng-asia.com.cn
33. By the end of 2000, China had registered 230,000 vessels with total transport capacity of 50 million DWT, including more than 20 million DWT engaged in international shipping.
到2000年底，中国船舶运力达到23万艘，5000多万载重吨，其中，从事国际航 运的船舶超过2000万载重吨。
-- 来源 -- 汉英 - 翻译参考
34. Research and Application of FRED and DWT in the Musical Tone Recognition
FRED和dwt在乐音音符识别中的应用研究
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35. The100,000 dwt mooring buoy in Meizhou Bay Anchorage is the largest one at the coast area of Fujian Province.
湄洲湾锚地10万吨级系船浮筒是福建省沿海迄今最大的系船浮筒。
-- 来源 -- scholar.ilib.cn
36. 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 .
-- 来源 -- 网友提供
37. The first270,000 dwt ocean ship built of such flat steel by Shanghai Jiangnan Shipyard in1983 won the gold medal awarded by the State for oceangoing vessels built for export.
暌岳瓷虾＝?显齑?в帽静?方ㄔ斓
-- 来源 -- www.wisco.com.cn
DWT
