鉴别信息

基于短时能零积和鉴别信息的语音端点检测

Speech Endpoint Detection Algorithm Based on Short-time Energy-Zero-Product and Discrimination Information

第二章，推广了模糊熵的概念，定义了模糊集的偏熵、关联熵和关联熵系数，然后详细分析了它们的性质，并与鉴别信息、模糊散度建立了联系。

Then some properties of them were analyzed in detail , and the relation between the relative entropy and fuzzy divergence , discrimination information was established .

利用基于最小鉴别信息原理的极大熵方法求解极大极小问题、变分不等式问题和平衡规划问题；将平衡规划模型建立和信息分析方法用于混合网络Nash平衡问题和ITS领域。

The analysis for network Nash equilibrium model based on the maximum entropy method according to the concept of Kullback information is introduced and they are applied to solving max-min problem , VIP and equilibrium programming .

探讨了SVM和NDA的优缺点，结合NDA中决策面的法向量表示的鉴别信息和SVM中对分类至关重要的支持向量，提出了一种SVM+NDA的分类器模型。

Firstly , it has discussed the advantages and disadvantages of SVM and NDA , then combined the the discriminatory information represented by normal vectors to the decision surface and the support vectors which are critical for accurate classification , an SVM + NDA classification model is proposed . 4 .

基于能量和鉴别信息的语音端点检测算法

Voice activity detection algorithm based on energy and discrimination entropy

基于最小鉴别信息的正则化图像恢复方法

Regularized image restoration based on minimum information discrimination

具有最多鉴别信息的鉴别矢量可通过求解新方程得到。

Linear discriminant vectors with most discriminant information can be obtained through the novel eigen equation .

然而下采样得到的特征维数很高，从中取出有用的鉴别信息十分耗时。

However the sample get feature dimension is very high , scoop out useful identification information is very time-consuming .

最好的辨别假货的方式就是利用网络技术，将真品的专业鉴别信息及照片存档。

The best defense against counterfeit violins is technology - networks of people who can archive their expertise and collect photographs .

提出在正则化图像恢复方法中将图像恢复结果与先验图像的最小鉴别信息作为新的正则化约束。

The minimum information discrimination between restored image and prior image is proposed as new regularization constraint in the regularized image restoration .

该方法保留了参与融合的两类特征的有效鉴别信息，又很大程度上消除了信息的冗余，提高了识别率。

The valid information of the two features is kept , and the redundant information is eliminated . The recognition rate is improved .

而距离像不同的特征同样包含了具有一定差异的鉴别信息，可以用来提高距离像的总体识别能力。

Different features of range profile contains different identification information , so it can be used together to improve HRRP 's recognition performance .

人脸识别是利用计算机对人脸图像进行处理、分析，并从中提取能表征人脸图像的鉴别信息，用于进行身份识别的一门技术。

Face recognition is an identification technique . The face images are processed and analyzed by computer and then the discriminant features are extracted .

然而，在现实生活中，摄像头、相机等所捕获的图像大多是彩色的，且这些彩色分量中往往包含重要的鉴别信息。

However , in real world , most pictures captured by cameras are color ones , whose components contain critical discriminative information for pattern recognition .

该协议对用户透明，简化了协议交换鉴别信息的步骤，大大提高了鉴别效率。

The new protocol is apparent to user and simplifies the procedure of authentication message exchange , thus the authentication efficiency can be improved greatly .

经过样本扩充，鉴别信息得到了一定的强化，更利于特征抽取和分类识别。

After augmentation , the discriminative information is successfully strengthened at some extent , which greatly benefits the follow-up processes : feature extraction and classification .

同时从信息论角度提出用鉴别信息来度量估计获得的信源模型参数的精度，以及确定迭代估计终止的条件。

Discrimination information was suggested to measure the precision of the estimated source parameters and was used to determine the stop of the estimation iteration .

为提高实时通信中语音端点检测系统的性能，提出了一种基于能量和鉴别信息的端点检测算法。

A new algorithm based on the energy and discrimination information was developed to improve the performance of the voice activity detection system in real-time speech communications .

通过系统聚类分析、比较，选择了奇异值特征谱作为矿物油种类鉴别信息。

As the result of systematic clustering and validity comparing , the singular values of the excitation-emission matrix ( EEM ) were selected as the identification information .

重点研究了含密序列统计可见性的定量评估，提出了基于峰度系数和微分墒的偏态评估、基于拟和优度检验的统计可见性评估和基于鉴别信息的统计可见性评估。

We evaluate the statistical visibility of information hiding algorithms based on the coefficient of kurtosis , differential entropy , goodness of fit test and Kullback entropy .

数字水印处理利用先进的信号处理技术在多媒体内容中直接嵌入版权标志和鉴别信息来确保数据的安全。

By using advanced signal processing techniques , digital watermarking embeds copyright notices and the signature directly into the multimedia contents to ensure the security of the data .

算法通过利用鉴别信息，能够在包括语音帧在内的所有帧中更新噪声的能量，从而更准确地跟踪噪声能量的变化。

The algorithm uses this discrimination information to update the noise energy in all frames including the speech frames , so it could better trace changes in the noise-energy .

该算法利用帧信号的能量、子带信号的能量等参数，计算该帧信号与噪声帧基于子带能量分布概率的鉴别信息。

The frame energy and the sub-band energy were used to calculate the discrimination information based on the sub-band energy distribution probabilities both for the current frame and the noise frame .

在教学和社会实践活动过程中，学生可以不断锻炼和提高收集信息、鉴别信息、加工处理信息、应用信息等能力。

In the process of teaching and social practice , students can continue to exercise and improve the collection of information , identification information , processing information , application information and other capabilities .

在信号空间，利用语音增强有效抑制噪声，提高输入信号中的鉴别信息，但增强带来的语音失真和增强后的剩余噪声是对语音识别非常不利的因素。

In signal space , speech enhancement is adopted to effectively suppress the noise and increase the discriminative information embedded in noisy speech signal . However , the speech distortion introduced by enhancement , as well as the residual noise , is a very adverse factor for recognition .

结果与X线平片及CT相比，MRI能发现更多的椎体异常并提供更多的诊断与鉴别诊断信息。

Results MRI was capable of detecting more spinal abnormalities and providing more information of diagnosis and differential diagnosis .

结论高频超声及CDFI可为肝实性病灶提供重要的鉴别诊断信息。

Conclusion CDFI and high frequency ultrasound may provide valuable diagnostic information of solid liver lesions .

结论：肺部多层螺旋CT低剂量扫描能提供与常规剂量扫描相近的诊断与鉴别诊断信息，适用于大规模体检及高危人群普查。

Conclusion : The low-dose multislice spiral CT was able to provide the same diagnostic and differential diagnostic information and was worth to be spread especially in mass physical examinations and in high-risk group .

该系统利用PKI体系的非对称体制，实现用户身份的鉴别以及信息传输过程中的机密性，完整性和不可否认性。

With the support of the asymmetric structure of the PKI system , the privacy , authentication , integrity and non-repudiation in the authentications of users ' identities and in the information transmissions could be ensured .

在一个动态、异构、跨域的开放网格服务架构下实现资源的广泛共享，必须解决身份鉴别、信息保密、访问控制、审计等一系列安全问题。

To realize the pervasive resource sharing in the dynamic , heterogeneous , domain-crossing Grid environment , a series of security problems such as authentication , information confidentiality , access control , audit must be resolved .