查询词典 recognition mark

In order to improve the performance of speaker recognition, the key techniques are feature extraction and recognition algorithm.

4基于支持向量机的话者识别是本文的另一个研究内容，提取表征说话人个性的特征和寻找高效的识别算法是话者识别取得良好性能的关键。

After the vein pattern was segmented from the vein image by an improved NiBlack method,authors obtained the vein pattern skeleton by an improved conditional thinning algorithm.On the basis,the algorithm extracted seven modified moment invariants of the vein pattern skeleton as the input vector of SVM for the recognition of vein pattern.The experiments on a database including 500 samples has achieved a recognition rate of 95.5%,and it indicates the algorithm is effective.

算法在采用修正的NiBlack算法从原始图中分割出静脉纹路，然后采用改进的条件细化算法进行细化获得静脉骨架的基础上，提取静脉骨架的7个修正的几何不变矩作为支持向量机分类器的输入进行静脉分类识别，在有500个样本的数据库上进行实验，获得了95.5%的识别率，表明了算法的有效性。

Experimental results on the Olivetti Research Laboratory face database show that performing energy-normalization and the Fourier transform in preprocessing stage is feasible; better than the traditional eigenspace method, the local eigenspectra-based scheme gets higher recognition rate; comparing with the Euclidean distance rule, the Parzen classifier is more powerful for face recognition.

对ORL 脸像数据库的实验结果表明：在预处理中增加能量归一化和Fourier变换提取幅度谱，可以消除脸像的平移影响，明显地提高正确识别率；基于局部本征谱的特征提取手段相较传统的特征子空间提取手段有较高的识别率；相较常用的欧式距离分类准则而言，将Parzen 分类器应用于人脸识别有助于提高识别性能。

The effect of fingerprint image rotation on correct recognition rate of correlation-based automatic fingerprint recognition system is studied. And it is demonstrated that fingerprint image rotation is quite necessary to ensure the security of AFIS.

2研究了指纹图像旋转预处理对基于相关系数原理的自动指纹识别系统的正确识别率的影响，证明指纹图像旋转对确保指纹识别系统的安全性是必要。

The technology of face recognition is an active subject in the area of pattern recognition.

人脸识别是计算机模式识别领域非常活跃的研究课题。

Human face recognition is an important subject in the area of pattern recognition, which has a wide range of potential applications.

人脸识别是模式识别研究领域的重要课题，具有广阔的应用前景。

The pattern recognition problems with large deformations of samples is challenging in the field of pattern recognition at present.

目前在模式识别领域中，模式样本变化大的模式识别问题是仍未解决的问题之一。

According to the concept of synergetics, pattern formation and pattern recognition are formally analog. In a pattern recognition process, one can consider a deformation between the stored prototyped pattern and the test pattern to be recognized.

根据协同学概念，模式形成与模式识别具有形式上的相似性，识别过程可考虑在要识别的输入测试模式与存储的原型模式之间的变形。

Normally, in order to improve recognition accuracy and save image rescanning time, software correction is used to correct the slant before next step recognition processes of OCR are executing.

在光学字符识别图象扫描输入的过程中，扫描图象或多或少会出现某种程度的倾斜，这种图象的倾斜不仅会给下一步字符的切割造成困难，也影响最终的字符识别精度。

At the same time, pattern recognition has been used for abstracting characteristics、predicting the life and evaluating the properties of engine. This research contributes toward global diagnosis for the diesel engine in eight ways.(1) Put forward"the Arithmetic of distinguish the period automatically using auto-correlation method";(2) Separate the waves of continuous knocks using WV distribution;(3) Propose"the logarithmic spectrum approximate method"to analysis the response of the knock between the steel and steel;(4) Discuss the relationship between the time-frequency distribution and timescale distribution in detail, and give the principle of classification;(5) Use the wavelet method to analysis the pressure signal of exhaust、suction;(6) Use the shape of vibration signal to analyse the working situation of cylinder;(7) Use the pattern recognition to select the good samples and abstract the effective characteristics;(8) Develop the model of total properties evaluation and life prediction.

本文在广泛的、深入研究的基础上，应用多种信号处理手段来分析处理数据，同时利用模式识别方法对故障的特征提取、寿命预测以及性能评价作了探讨，本文进行了以下几项工作：（1）提出了基于自相关自动周期识别算法的柴油机振动信号预处理策略；（2）提出了基于WVD分布的连续撞击响应信号的分离策略；（3）提出了基于对数谱拟合方法的钢—钢撞击响应求解模型；（4）提出了基于波形分析的非正常燃烧振动信号的诊断模型；（5）提出了基于小波细节信息的进气压力信号和曲轴箱压力信号的诊断模型；（6）提出了基于小波近似的喷油正时信号中燃烧位置的自动定位；（7）提出了基于统计模式识别方法的故障诊断知识的自学习与自组织策略；（8）提出了基于特征压缩思想的柴油机总体性能评价及寿命预测模型。

For every one of my New Year resolutions, I have been a backslider for years.

说到我的新年决心，我每年都做

With empathy and focus on a feeling level, we can all relate to the common ground of mutuality of emotions.

有了同情心和感觉上一级的重点，我们都可以涉及到相互的情感共同点。