提出了一种用于数字彩色扩印系统的色空间变换和色域边界面确定方法。
New methods for color space conversion of digital color paper printer and its color gamut calculation are proposed.
提出了一种用于数字彩色扩印系统的色空间变换和色域边界面确定方法。
New methods for color space conversion of digital color paper printer and its color gamutcalculation were proposed.
定义了拟域上的矩阵,并用以描述半线性空间之间的变换。
The transformations on semi-linear spaces, the matrices defined on quasi-domains and the relationship between them are investigated.
利用线性空间上的线性变换,给出了复数域上矩阵的一种形式,并给出了这种分解形式的具体求法。
Using the linear space in linear substitution, has given on the complex field the matrix one form, and gave this kind of decomposition form to ask the law specifically.
在此基础上,讨论空间域数字水印算法、变换域数字水印算法以及对数字水印的攻击研究。
On the base, the algorithm of space domain and transform domain and research on the attacks on digital watermarking are discussed.
在光线空间的数据压缩中,计算了数据的相关系数,采用二维离散余弦变换(DCT)进行了变换域分析。
Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform (DCT) in ray-space data compression.
通过坐标系的变换和引入辅助向量获得了解析的捕获域和截获时间,并在三维空间内对这种追踪导引过程进行了仿真验算。
In this paper, however, the capture set and time of interception are obtained analytically by coordinating transformation and exploiting of accessorial vector.
分数傅里叶变换同时包含了空间域和空间频率域信息,分数相关也可以用于光学图样识别。
The fractional Fourier transform contains the spatial information and the spatial-frequency information simultaneously. The fractional correlation can be used to optical pattern recognition too.
对于纸页的均匀性分析,通过图像变换,将空间域图像变换到频域或小波域进行分析,获取其特征;
The homogeneity of the sheet is analyzed by image transform, i. e. the spatial domain image is transformed to frequency domain or wavelet domain to obtain the features.
使用仿射变换内点回代技术的信赖域子空间算法解线性不等式约束的非线性优化问题。
We present an affine scaling trust region algorithm with interior back - tracking and subspace techniques for nonlinear optimizations subject to linear inequality constraints.
本文研究基于对数域状态空间滤波器的一维连续小波变换VLSI实现理论与方法。
The theories and the methods of VLSI implementation of one-dimension continuous wavelet transform(CWT) . which bases on state-space log-domain filter, are developed in the 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。
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.
本文分别介绍了基于图像灰度、颜色空间变换和变换域的三种图像融合算法。
This article introduced the image fusion algorithms of gray-scale-based images, color-space conversion and transformation domain respectively.
图像的去噪方法基本上可分为变换域法和空间域法两大类。
The image de-noising method basically may divide into two kinds: transform domain de-noising and spatial domain de-noising.
本文对一维DCT变换压缩编码中变换域系数二次量化引起的图象损伤进行了频域和空间域分析,得出了一些有用的结论。
The image damage by transform coefficients quantization in ID-DCT transform compression coding is analysed on frequency domain and space domain. Some useful results are obtained.
对MPEG - 2视频编码流空间分辨率下变换已提出了一种在水平方向上进行DC T域下变换,而在垂直方向上采用空间域下变换的方法。
A hybrid structure of performing horizontal DCT domain down conversion and vertical spatial domain down conversion was presented for down converting the spatial resolution of MPEG-2 video.
变换使得空间域上有较强相关性的信号能够转换为相关性较弱的变换域信号,便于后继的压缩编码。
The highly correlated spatial signals are converted to much less correlated signals in transform domain by transform, thus facilitating further compression.
特征提取是基于内容的数字水印技术的关键,它可以在空域和变换域两个空间进行。
Feature extraction is the key of the content based watermarking algorithm. Feature can be extracted either in the space domain or in the frequence domain.
结果通过离散余弦变换,图像由空间域变到了DCT域,在DCT域用指数低通滤波器去噪,高通滤波器提取地面特征边缘信息。
The test data is processed with two kinds of filter. Results At compressing field noise restrain and edge extraction are realized.
结果通过离散余弦变换,图像由空间域变到了DCT域,在DCT域用指数低通滤波器去噪,高通滤波器提取地面特征边缘信息。
The test data is processed with two kinds of filter. Results At compressing field noise restrain and edge extraction are realized.
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