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。
Block-DCT-based video compression scheme has been used widely in digital video system.
基于分块dct的视频压缩方法在数字视频系统中得到了广泛的应用。
In this paper, the proposed algorithm can be applied to other DCT-based video transcoding technology.
本论文所提出的算法能够适用于其他各种以dct变换为基础的视频转码技术中。
Embedded the watermark information into intermediate frequency in the DCT-based watermark algorithm by seek the feature field.
在基于DCT的数字水印算法中通过寻找特征区域将水印嵌入在能量最大的离散余弦系数中；
Experimental results show that the algorithm compared with the primitive DCT-based transformed watermark algorithm has great robustness and invisibility.
测试结果表明，该算法比原始基于DCT的水印算法具有更好的鲁棒性和图像可见性。
The loop filter is run after decoding or encoding a frame and serves to perform extra processing on a frame, usually to remove blockiness in DCT-based video formats.
回放过滤器在解码或编码一个帧后运行，在帧上执行一些额外的处理，在基于DCT的格式中通常是消除区块效应。
The expanded lossy DCT - based mode provides a set of further enhancements to the baseline process.
扩展的有损的基于DCT模式提供了一系列对基本处理过程的增强模式。
The second new scheme is a adaptive watermarking techniques for digital images based on DCT domain.
提出的第二种新计划是基于DCT域的一种自适应数字图像水印技术的计划。
H. 264's, by comparison, is strength-adaptive based on whether DCT coefficients exist on either side of a given edge and based on the motion vector delta and reference frame delta across said edge.
对比之下，H . 264是强度自适应的，基于DCT系数是否存在给定边缘的任何一边，和基于运动矢量差值和参考帧在边缘的差值。
The DCT based error concealment algorithm can be used for image reconstruction on client and concealment error caused by storage system or transmission channel.
基于DCT的错误隐藏算法可用于客户端近似重建图象，隐藏存储系统或传输信道带来的错误。
According to the theory of the algorithm, the noise elimination algorithm based on noise model can also be extended to the other compression algorithms such as DCT, DPCM, JPEG, SPIHT and MPEG.
从算法的理论基础来看，其中基于噪声模型的噪声清除算法对其他编码算法(如dct、DPCM、JPEG、SPIHT、MPEG等等)同样具有推广意义。
It is practical to study image coding technique based on DCT.
因此，研究基于DCT的图像编码技术，有着一定的是实用价值。
A novel discrete cosine transform (DCT) based automated phase measurement method is proposed and verified by a simulation and experiments.
本文提出一种以离散余弦变换(DCT)为基础的自动相位测量方法并以实验和模拟运算进行验证。
On the basis of the characteristics of MP3 compression and local audio correlation, a new adaptive digital audio watermarking based on DWT and DCT was proposed.
以mp3压缩等攻击特点及局部音频相关特性为基础，提出了一种新的混合域数字音频盲水印算法。
A reduced number of DCT coefficients is computed in a subsequent inverse DCT computation based on the DCT block type.
而根据此离散馀弦转换区块形式则在后续的反向离散馀弦转换运算中运用较少个数之离散馀弦转换系数来做计算。
An efficient watermarking algorithm for digital image, based on watermark DCT, is proposed.
提出了一种有效的基于水印dct的数字图像水印算法。
This paper introduces related concept about information hiding technology and DCT transfer, proposes a DCT transfer based method to implement information hiding.
对信息隐藏和DCT变换相关概念作了简要介绍，在此基础上提出了基于DCT变换的自适应的信息隐藏技术新方法。
A watermarking scheme based on the discrete cosine transform (DCT) was studied. A new blind watermarking algorithm by embedding the watermark into the phase components of DCT was proposed.
基于离散余弦变换(DCT)方法对水印算法进行了研究，提出一种新的将水印嵌入到分块dct相位成分的盲水印算法。
A new adaptive recursive algorithm for eigenvector estimation based on the relations between KLT and sliding DCT was presented.
基于KLT与滑动dct的相似关系，提出了一种新的特征向量自适应递推估计算法。
It is a new method that calculate vertical second derivative of gravity anomalies based on discrete cosine transform (DCT).
基于离散余弦变换(DCT)的重力异常垂向二阶导数的计算方法是笔者提出的新方法。
Secondly, block DCT algorithm based on chaos is proposed.
其次给出了基于混沌的分块dct算法。
To improve the simulation precision and speed of LTI system, the highly precise simulation algorithm of LTI system based on Discrete Cosine Transform(DCT) is proposed.
为了提高线性定常系统的仿真精度和速度，提出了基于快速DCT的线性定常系统高精度仿真算法。
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；
In the paper, a speech endpoint detection method based on DCT (Discrete Cosine Transform) enhancement and improved spectral entropy is proposed.
提出了基于DCT(离散余弦变换)增强和改进谱熵的语音端点检测方法。
So a hybrid video watermarking scheme based on motion vectors and DCT coefficients is proposed.
提出了一种基于运动矢量域与DCT域的混合视频水印方案。
In this dissertation, a new face representation algorithm based on weighted DCT fusing global facial feature and local facial feature is proposed.
本文基于DCT变换，给出了一种融合人脸整体特征和局部特征的加权DCT人脸表征算法。
An improved perceptually adaptive watermarking algorithm based on DCT is proposed in this paper.
该文基于DCT的自适应水印技术，提出了一种改进的水印算法。
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。
This paper proposes a adaptive region coding method, which is based on distributing characters of DCT coefficients.
提出了一种基于DCT系数分布特征的自适应区域编码方法。
This paper proposes a adaptive region coding method, which is based on distributing characters of DCT coefficients.
提出了一种基于DCT系数分布特征的自适应区域编码方法。
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