Secondly, block DCT algorithm based on chaos is proposed.
其次给出了基于混沌的分块dct算法。
An enhanced DCT algorithm with real time characteristics is put forward; and a coding algorithm of high quality is obtained by combining the enhanced DCT and a hybrid filter bank.
提出一个具有实时性能的改进型DCT算法，并将改进型dct与混合滤波器组相结合，给出了一个高质量音频压缩算法。
Furthermore, we extend the use of DCT, and give a new algorithm on image partition and singular points location.
另外，基于DCT变换提出了新的指纹图像分割算法和奇异点定位算法。
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。
In this paper, a new embedding strategy and an algorithm applying the strategy for watermarking in DCT domain is proposed.
本文提出了一个DCT域隐形水印的嵌入对策和一个应用该对策的自适应水印算法。
In this paper, a new fast algorithm to calculate discrete cosine transform (DCT) with arbitrary length by means of the butterfly structure is presented.
本文提出离散余弦变换(DCT)的一种新的快速算法，其特点是变换长度任意，而且采用蝶形结构。
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。
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。
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。
This paper compares between the 32-point DCT decomposition method and the property of cosine function to find the latter more efficient for DCT fast algorithm.
本文在研究DCT快速算法的基础上，比较了32点dct分解和利用余弦函数特性两种快速计算dct的方法。
A blind digital image watermarking algorithm in DCT domain is proposed.
提出了一种DCT域的数字图像盲水印算法。
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；
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
本文基于三维离散余弦变换（3D-DCT）技术和扩频通信技术提出三维体数据鲁棒水印嵌入算法。
Watermarking embedding algorithm based on auditory masking is proposed in this paper, which embeds watermarking based on masking threshold in low-band coefficients of DCT transformation.
文中提出一种基于听觉掩蔽效应的音频数字水印算法，根据掩蔽阈值在DCT低频系数中嵌入水印。
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。
The algorithm separates DCT coefficients into three parts: DC coefficients, even and odd indexed DCT coefficients.
算法将DCT系数分成三部分：DC分量、偶下标分量和奇下标分量。
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。
The image compression standard in PACS now is the JPEG standard based on the DCT (Discrete Cosine Transform) algorithm, which can only be applied in the limited areas.
目前在PACS系统中较多采用的是JPEG图像压缩标准，该标准采用以离散余弦变换算法为主的区块编码方式，但有一定的局限性。
Instead of many algorithms rely on accurate estimation of noise variance, this algorithm estimates noise energy through DCT which extracts local feature.
该算法不依赖于对噪声方差进行估计，直接利用DCT变换对高频各个子带进行局部特征提取，从而估计噪声能量的估计阈值。
Based on the features of human visual system (HVS) a new watermarking algorithm that combines spatial and DCT domain is proposed for digital images in this paper.
本文基于人类视觉系统(HVS)的特性，提出了一种结合空间域和DCT变换域的数字水印新算法。
A zero-watermarking algorithm based on DCT.
基于DCT域的零水印算法。
Combined with FSVQ algorithm, the traditional DCT transform and integer DCT transform are used to improve the performance of image compression.
对经典DCT变换和整数DCT变换进行研究，并把它们和有限状态矢量量化编码算法相结合，提高了对图像的压缩性能。
The article proposes an improved LSB watermarking algorithm based on the DCT domain and the RS correction.
本文提出了一种基于DCT变换域的用改进LSB算法嵌入带rs纠错码的数字水印方法。
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；
Then an adaptive image watermarking algorithm based on DCT is proposed to solve these problems.
继而设计并实现了一个较完整的基于DCT域的自适应图像隐形水印算法。
This paper proposes a new algorithm of video watermarking based on kurtosis and DCT.
提出一种基于峰度的视频水印新算法。
LOT is first adopted in the watermarking algorithm instead of DCT, which greatly reduces the blocking effects.
本文首次在水印算法中采用了LOT以代替传统的离散余弦变换(DCT)，从而有效地避免了DCT的块效应。
LOT is first adopted in the watermarking algorithm instead of DCT, which greatly reduces the blocking effects.
本文首次在水印算法中采用了LOT以代替传统的离散余弦变换(DCT)，从而有效地避免了DCT的块效应。
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