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- 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。
- The four are list in detail as follow. Firstly, considering the features of human visual system (HVS) and the wavelet transform, a new adaptive watermarking algorithm is proposed. 所提出的四种算法具体如下:考虑到人类视觉系统(HVS)特性和小波变换特性,提出了一种新的自适应水印算法。
- features of human visual 人类视觉特性
- According to the features of medical images and human visual system,a new nonlinear pseudocolor coding method based on gradient value is developed. 根据医学图像的特点和人的视觉特性,提出了一种基于梯度的非线性伪彩色编码新方法。
- Not only is it a crucial feature of objects, but also an important part of HVS(Human Visual System). 对称性既是物体的重要特征,又是人类视觉感知组织系统中的重要组成部分。
- Firstly, a watermark was embedded in low band of DWT domain according to the conceal quality of human visual system (HVS). 该算法根据人类视觉系统的特性,将水印自适应地嵌入图像小波域的低频子带。
- In this paper,a coefficient model of the anisotropic diffusion based on the characteristic of human visual system(HVS) is proposed and a diffusion speed parameter is employed. 根据人类视觉系统的特性提出一个各向异性扩散系数模型,并且引进了扩散速率因子。
- To best advantage of human visual interests, a simplified method for subjective assessment of image is presented to an image with only one ROI in this paper. 该文在充分利用视觉兴趣性特性的基础上 ;针对只存在一个感兴趣区的图象 ;提出了一种简化的图象质量评价方法 .
- In this paper,a new method of low contrast image enhancement is presented based on PCNN and LR models in conjunction with characteristics of human visual consciousness. 针对低对比度图像,结合人眼视觉神经系统的感知特性,提出了一种基于PCNN与LR模型的图像增强方法。
- The measure is to simulate three major characteristics of human visual system, such as the muti-channel property, the hiding effect and the visual non-linearity. 仿真表明:该方法的测量结果符合人眼的主观感觉,可用于图像融合质量评价。
- Objective To examine CT features of normal porcine pancreas and compare them with those of human pancreas. 目的探讨大动物家猪正常胰腺的CT影像学表现,并与人类胰腺进行比较。
- The war took a heavy toll of human life. 这次战争夺去了许多人的生命。
- It can reflect the features of nationality, language, and be intelligence of human beings. 能够反映出民族文化的特性,语言的特点及人民的智慧。
- Objective To observe the ultrastructural features of taste pores and taste pits of human taste buds. 目的观察成人舌味蕾的味孔、味凹的三维超微结构。
- She was destitute of human feeling. 她一点也没有人的感情。
- He was destitute of human feelings. 他毫无人的感情。
- I think it may have something to do, not only with the problems of the time, but also with some of the inherent features of human puberty. 这就不仅仅是一个时代问题了,我认为它多多少少有着我们人类青春期本身内在的特征。
- Exploiting the excellent properties of the wavelet transform and some characteristics of Human Visual System(HVS),watermark is embedded into the middle frequency suband images of the original image in DWT domain. 利用人类视觉系统 (HVS)的特性 ,定义了视觉掩蔽函数 ,实现了水印在原始宿主图像小波域中的自适应嵌入 ,从而兼顾了水印的不可见性和鲁棒性。
- A good commercial puts across the attractive features of a product. 好广告能突显产品吸引人的特徵。
- Data were embedded into the Least Significant Bit-plane (LSB) of high frequency CDF (2,2) integer wavelet coefficients,which accorded with the principle of Human Visual System (HVS). 在图像的小波子带系数的最低位(LSB)嵌入隐藏数据,将数据嵌入到小波CDF(2,2)的高频子带系数中,符合人的视觉系统原理(HVS)。