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- Through the analysis of many representative spatial domain watermarking algorithm, a novel image spatial domain blind watermarking algorithm was presented. 通过对多种空域水印算法优缺点的分析,提出了一种新的图像空域盲水印算法。
- Through the analysis of many representative spatial domain watermark algorithms, a new spatial domain digital watermark imbedding algorithm is presented. 通过对多种空域水印算法优缺点的分析,提出了一种新的空域数字图像水印加入算法。
- spatial domain watermarking 空间域水印
- spatial domain watermark 空域水印
- A digital image watermarking scheme embedded in spatial domain based on BSS (blind source separation) was proposed. 摘要提出了一种基于盲源分离理论的时空域嵌入的数字图像水印算法。
- The watermark is designed in a cirque pattern and it is embedded in spatial domain using odd-even quantization. 设计了一种圆环形的水印模式，并在空域采用奇偶量化嵌入水印；
- Considering the problems of copyright from bruiting randomly by the buyers, a spatial domain digital watermarking arithmetic, which can recover destroyed watermark, is introduced in this paper. 摘要针对当前数字图像被购买者随意的散播、修改，而造成的版权问题，提出了一种空域水印认证算法，即使水印信息被篡改，也能够修复水印信息。
- Interferogram region spreading technology in spatial domain[J]. 引用该论文 苏俊宏;陈磊;朱日宏.
- D. P. Mukherjee, S. Maitra, and S. T. Acton, “Spatial Domain Digital Watermarking of Multimedia Objects for Buyer Authentication,” IEEE Transactions on Multimedia, Vol. 6, No. 1, pp. 1-15, 2004. 蔡曜州,“建构于空间-频率域多重浮水印技术之数位影像著作权保护与认证,”中原大学电机工程研究所硕士论文,2003。
- Considering the character of human visual system (HVS) and the actual demand in information protection,this paper describes a method to embed a digital watermark into a digital image in the spatial domain. 根据著作权、版权保护的实际需要 ;结合人眼视觉系统的有关特性 ;探讨了数字图像中数字水印的加入与提取方法 .
- Based on which DCT domain and wavelet transform domain watermarking algorithm is presented. 在此基础上提出了基于人类视觉特性的离散余弦变换水印嵌入算法和离散小波变换水印嵌入算法。
- Spatial domain digital watermarking algorithm 空域数字水印算法
- Firstly, Local Walsh Transform (LWT) is defined and generalized in spatial domain to extract local texture information. 首先给出局部沃尔什变换(LWT)的定义，并在空域中对其加以推广，用以提取图像的局部纹理信息；
- Simulation results reveal that global stability and creditability of GALILEO are superior to GPS in temporal and spatial domain. 仿真结果表明,在中国大陆范围内,galileo系统在时间域和空间域上的整体稳定性优于GPS系统。
- A second strand in the super-resolution story,developing in parallel to the first,was based purely in the spatial domain. 中的一个超分辨率的故事第二个组成部分，同时向第一个发展中国家，是基于纯粹的空间域。
- Image enhancement in spatial domain, the sources include histogram, laplacian, unsharp mask, and spatial filter has been tested. (译)：图像增强在空间领域，来源包括直方图，拉普拉斯，锐化遮罩和空间滤波器进行了测试。
- But resampling in the frequency domain will causes replicas occur in the spatial domain if we do not use any reconstruction filter. 但是它会有频域空间再取样的问题，导致重叠影像的失真现象，因此滤波器的设计对傅立叶立体资料描绘法是非常重要的研究主题。
- From principle, we use the Fourier method to compare the information consistency in the spatial domain and frequency domain for traditional X-ray, CT and Tomosynthesis device. 从原理层面,基于对不同X-ray医疗设备(传统X-ray,计算机断层扫描CT,运动成像Tomosynthesis)采集信息完备程度的分析,分别从空间域和频率域的角度论证了信息完备性程度的一致性。
- It encodes the bitplane of spatial domain image byquadtree encoded, shuffles and selectively encrypts the data according to the structure of quadtree encoding. 对空域图像位平面采用四叉树编码,根据四叉树编码的结构特点对数据进行置乱和选择加密,对加密算法进行加密数据量分析和安全性评估。
- The study showed that spatial domain filers have difficulties in reserving good edge and texture information at the same time reducing speckles, so they have to make a compromise. 空间域的滤波处理，很难达到在消除相干斑噪声的同时又能很好地保留边缘和纹理细节的理想状态。一般只能在相干斑噪声消除和边缘信息保留两个方面进行折衷。
