Algorithm of image watermarking based on chaotic system and human visual masking

Digital Watermarking Technique of Image Based on Visual Masking

基于视觉掩蔽特性的数字水印技术

A robust watermarking authentication algorithm using the value of visual masking

利用视觉掩蔽值的稳健水印认证算法

Thanks to the "masking" technique that employs a cavity function to depict a hard wall with a certain thickness, the phase separation of mixed polymer brushes was investigated at a nanosphere with its radius comparable to the polymer size.

我们采用所谓的“masking”方法，即采用空穴函数来描述有一定厚度的硬壁，研究了当微球尺寸和高分子尺寸相当时，高分子共混刷体系在纳米微球上的相分离行为。

The method adopts the frequency domain masking technique to mask the peak fields of the radar echos' Fourier transform data, and uses the fractional correlation comprising of Fractional Fourier Transform ( FrFT) and inverse Fourier transform to detect the ARM only in one-dimensional searching.

该方法利用雷达回波的频域（Fourier变换）数据，根据尖锋作遮隔处理后，直接运用基于分数阶Fourier变换（FrFT）和Fourier逆变换的分数阶相关方法，通过一维搜索来检测ARM。

Accordingly, a FIR filter based on frequency response masking technique is introduced into the design of digital down-converters, its efficient implementation architecture is given and the complexity of the algorithm are studied thoroughly.

该文将基于频率响应屏蔽（FRM）方法的FIR滤波器引入到数字下变频器设计中，并详细地研究了此类数字下变频器的高效实现结构和算法复杂度。

Combination and synthesis technique of density hierarchy film is an optical and electronic processing technique which draws on the experience of the relative masking technique and highlights texture information of images.

密度分层组合成技术是通过对遥感图象密度层次的分折，以突出影象的结构信息为主的一种光孚图象处理方法。

Among these studies, two main methods was involved: one is Stroop paradigm of emotion which is used most, the other one is masking technique.

目前对该问题的实验研究主要有两种方法，一是情绪Stroop范式，另一种是遮蔽技术。

Then, the thesis proposes an unsharp masking technique with Gaussian noise suppression through analyzing and comparing various edge detection operators.

随后通过对各种边缘检测算子的分析和比较，在传统反锐化掩模算法的基础上，提出了一种带高斯噪声抑制的反锐化掩模算法。

The effect of source separation in azimuth on forward masking when sound reproduced with earphone

耳机重发下声源空间分离的前向掩蔽研究

Comparative Study of Forward masking and Simultaneous Masking Procedures in Normal Guinea Pigs cAP Tuning Curve

正常豚鼠cAP调谐曲线短纯音前掩蔽法与同时掩蔽法的对照研究

Effect of Spatial Separation in Azimuth on the Threshold of Forward Masking in Time Domain

声源空间分离对向前时域掩蔽阈值的影响

A nonlinear dynamic adaptive auditory model based oni/ o characteristics for forward masking effect

基于I/O特性的听觉非线性动态适应机制与前向掩蔽效应模型

Improvement of Bark Spectral Distortion Measure with Forward Masking Effect

利用前向掩蔽效应改进巴克谱失真测度

It shows that the frequency selectivity of the forward masking procedure is better than that of the simultaneous masking procedure.

略论螯合滴定法中的掩蔽方法说明前掩蔽法cAP-TC的频率选择性比同时掩蔽法好，前者更能体现耳蜗频率选择性的实际情况。

Forward masking is affected and regulated by many stimulus parameters.

前掩蔽效应受多种刺激参数的影响和调节。

Auditory brain stem responses to tone bursts and notch noise masked tone bursts in estimating hearing levels in children

短纯音及切迹噪声掩蔽的短纯音ABR用于儿童听力评估的研究

Methods Randomized, investigator-masked, parallel-group clinical trial.

方法随机、研究者设盲、平行对照临床试验。

The most important chemistry of dithianes, however, lies in their ability to act as a masked carbonyl group.

然而二硫杂环已烷的最重要的性质是它作为一个被掩蔽的羰基。

The First Incident of Virus Enteritis in Masked Civet: Its Diagnosis and Prevention

果子狸细小病毒性肠炎首次诊断及防治初探

The paper studied 7 case Masked civet of dystocia in farm condition.

本文对7例在养殖条件下难产的花面狸进行了研究。