Then it splits the original image into blocks and classifies these blocks based on HVS and the RGB components characteristic.
算法采用时空混沌模型生成混沌序列对二值水印进行置乱加密,同时结合改进的人类视觉模型(HVS)图像块分类方法和彩色图像RGB分量特点确定水印嵌入强度,最后,水印被重复嵌入到彩色图像RGB各个分量DCT中频变换系数中。
The similiariy between wavelet transformation and HVS(Human Visual Ssytem) in processing an image was analyzed.
介绍了将数字水印技术引入到金融信息安全领域的原因,分析了小波变换与人类视觉模型在处理图像时的相似性。
The humanvisual system (HVS), watermark detection and counter-geometric attack in the robust digi-tal watermarking system and the content authentication in semi-fragil.
本文重点研究鲁棒的和半脆弱的数字水印系统,并围绕着鲁棒水印系统中的人类视觉模型,水印检测和抗几何攻击以及半脆弱水印系统中的内容认证等方面进行了深入研究,主要研究成果如下:(1)提出了两种基于人类视觉模型的鲁棒水印方案,即基于块自适应因子的鲁棒水印方案和基于三维人类视觉模型的鲁棒水印方案。
A novel watermarking algorithm based on the complex wavelet thansform is proposed, and a simple and effective human visual model in the complex wavelet domain is described.
提出了一种基于复小波变换的水印算法,同时描述了一个基于复小波域的简单而有效的人类视觉模型。
According to the charactersitics of the digital watermark,this paper proposed a kind of wavelet domain image digital watermarking technique using two-dimensional chaotic encrypt and human visual model.
针对数字水印所要求的安全性、鲁棒性和隐蔽性等特性,提出了一种使用二维混沌加密和人类视觉模型的小波域数字图像水印技术。
A nonlinearly compensatory principle and method for human vision contrast resolution
人类视觉对比度分辨率的非线性补偿原理和方法
After decomposition of the remote sensing image by D5/3 integer wavelet transform and analysis of the statistical characteristic and the energy distribution of wavelet coefficients in each sub-band, the human vision properties are introduced to control the quantification scheme of the algorithm.
提出了一种高质量的遥感图像有损压缩算法,在分析了遥感图像经Daubechies双正交小波基D5/3整数小波变换后各子带小波系数统计特性和能量分布的基础上,引入了人类视觉特性,用它来控制算法中的量化方案。
Modern scientific photography can extend considerably the human vision,e.
本文以撷要举精的方式,就现代科技摄影对人类视觉在望远能力、微观能力、穿透能力、时间鉴别力、征服黑暗能力等九个方面所起的延伸作用,一一作了对照性的描述。
Human visual system has some basic properties.
人类视觉系统具有一些基本的特性。
A Kind of According to the Numerical Watermark of Human Visual System
一种基于人类视觉系统(HVS)的数字水印
Video Quality Assessment Model Based on Human Visual System
基于人类视觉特性的视频质量评价模型
Algorithms Research for Video Watermark Based on Human Visual System(HVS)
基于人类视觉系统(HVS)的数字视频水印算法研究
Video coding method based on human visual system
一种基于人类视觉系统的视频编码方法
As it were,where there is human vision,there is almost needs machine vision.
可以说 ,需要人类视觉的场合几乎都需要机器视觉。
Robust watermarking algorithm using wavelet transform and HVS
基于小波变换和人类视觉系统的稳健水印算法
Blind Watermarking Method Based on Wavelet Tree and Human Visual System;
基于小波树结构和人类视觉系统的盲水印算法
The Study of Color Image Segmentation Method Based on the Characteristics of HVS;
基于人类视觉特征的彩色图像分割技术研究
A Research on the Models Based on the Biological Characters of Human Vision System and Applications;
基于人类视觉系统生理特性的模型及应用研究
Human Visual System and Its Applications in the Field of Information Hiding;
人类视觉系统及其在信息隐藏中的应用研究
Digital Watermarking Techniques Based on Wavelet Transforms and HVS;
基于小波变换和人类视觉特性的数字水印技术
fMRI Studies on Human Cortical Response to Color Vision Stimuli and Visual Coherent Motion in Anisometropic Amblyopia;
人类色觉及屈光参差性弱视视觉运动觉皮层激活特征的fMRI研究
Humans have a fovea for sight, and star-nosed moles have a fovea for touch.
人类有视觉的中央窝,星鼻鼹则有触觉的中央窝。
Words vs. Pictures --With Special Reference to the Marginality of Visual Anthropology;
文字VS图像—兼谈视觉人类学的边缘性
The Ways of Observation: An Interpretation of the History of Anthropology from the Visional Angle;
看的方式——从视觉角度解读人类学史
A Study on Symbol & Significance in the Sights of Perception Anthropology;
感觉人类学视野中符号与意义的研究
United Nations Audio Visual Information Centre for Human Settlement (Vision Habitat)
联合国人类住区视听信息中心(视觉生境)