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数字
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  digit
    A Study of Improving Digit Linear Tomography Image Quality
    关于线性数字层面图像质量改进的研究
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    A Dynamic Time-Warping Algorithm for Chinese Continuous Digit Recognition
    基于动态时轴弯曲的汉语连呼数字识别算法
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    Application of Multi-layered NeuralNetwork for Handwritten Digit Recognition
    多层神经网络在手写体数字识别中的应用
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    The Digit Simulation System of Industrial Measurement and Control System
    工业测控系统数字仿真系统
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    A Study on Medical Digit Image Information System
    医学数字图像信息系统研究
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  “数字”译为未确定词的双语例句
    Watermarking Techniques for Multimedia Authentication and Copyright Protection
    针对多媒体认证与版权保护的数字水印技术研究
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    The Research for Watermarking Technique
    数字水印技术的研究
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    Research on Chaos Based Image Encryption and Watermarking Technology
    基于混沌的图像加密与数字水印技术研究
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    The Research of Watermarking Based on Multiwavelet and Genetics Algorithm
    基于多小波及遗传算法的数字水印技术研究
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    Watermarking and Anti-reconstruction of 3D Models
    三维模型数字水印技术及防重构技术研究
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  digit
Astandard digit set D for A is any complete set of coset representatives for?n/A(?n).
      
This paper proves that every standard digit set D gives a setT (A, D) that tiles?n with a lattice tiling.
      
The fast parameters of the AD conversion are the following: the digit capacity is eight bit and the sampling frequency is 50 MHz.
      
The capabilities of this device are demonstrated by studying the deviation from linearity of a seven-digit digital nanovoltmeter with a measurement uncertainty of below 1 × 10-7.
      
The asymmetry of digit folidosis and the correlation of exterior characteristics have been studied in 20 passerine species.
      
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To obtain the tomograph of body tissues by ultrasonic echoes and then to improve the quality of images by digital processing method is one of the important techniques of medical diagnosis. The digital processing methods of ultrasonic medical images are reviewed in this paper. (a), Digital filtering technique. The accumulative average, low-pass, high-pass, notch filtering and band-pass of the medical ultrasonic informations may be realized by linear digital filters. The real time processing can be realized by...

To obtain the tomograph of body tissues by ultrasonic echoes and then to improve the quality of images by digital processing method is one of the important techniques of medical diagnosis. The digital processing methods of ultrasonic medical images are reviewed in this paper. (a), Digital filtering technique. The accumulative average, low-pass, high-pass, notch filtering and band-pass of the medical ultrasonic informations may be realized by linear digital filters. The real time processing can be realized by using the Discrete Fourier Transformation (DFT) and the Fast Fourier Transformation(FFT). The distortion of the ultrasonic informations produced by the filtering effect of the body tissues may be corrected by inverse filtering or deconvolution. Algorithm with "template" is a convenient and flexible method. In addition, non-linear filtering technique such as homomorphic filters may also be used to improve the quality of the images. (b), Image enhancement technique. Histogram equalization, non-linear stretching, interpolation, pseudo-coloring methods etc. may be used for image-enhancement. In addition, it is possible to raise the diagnostic precision by using the edge detection and contour tracing methods. (c), Ultrasonic Computerized-Tomograph (UCT). This is a new ultrasonic image processing method. While still in the laboratory stage, it calls for close attention.

利用超声回波作人体组织的断层显象并用数字处理方法提高成象质量是诊断医学的重要技术之一。本文综述了超声图象的数字处理方法。(一)数字滤波技术。采用线性数字滤波器可以实现对超声图象信息的累加平均、低通、高通、陷波和精通。采用离散宫氏变换(DFT)及快速富氏变换(FFT)可进行实时处理。应用反滤波或反卷积可以使超声信息受人体组织作用产生的畸变得到校正。采用模板运算是一种方便、灵活的方法。此外,还可以采用如同形态滤波器等非线性滤波技术来改善图象质量。(二)图象增强技术。可以采用直方图均衡、非线性伸展、内插补技术、伪着色等方法以增强图象。此外还可以采用边沿测量及轮廓追述的方法来提高确诊率。(三)应用计算机的超声断层显象。这是一种新的超声图象处理方法,尚在实验室研究阶段,但值得重视。

One of the important application of handwritten characters recognition machine is

手写体字符识别的一项重要应用是在邮政自动化系统中自动识别邮区编码.本文扼要介绍了应用于我国邮电部信函自动分拣系统中的手写体数字识别机,并对于识别顺序逻辑的设计方法问题进行分析.试图利用有限状态文法推断的一些结果来设计识别顺序逻辑,并考虑用不分明集(模糊集)的一些概念来进行信息压缩.

A handprinted character reader (OCR) is described. It is equipped with some adaptive circuits including a scanner capable of performing two dimensional affin-transform, an automatic beam focusing circuit etc. For effective extracting the local as well as the global features of characters a kind of structural method of recognition is developed. In addition, an algorithm for automatic generation of the character dictionary by learning process is implemented.The characters being read include numerals, alphabets...

A handprinted character reader (OCR) is described. It is equipped with some adaptive circuits including a scanner capable of performing two dimensional affin-transform, an automatic beam focusing circuit etc. For effective extracting the local as well as the global features of characters a kind of structural method of recognition is developed. In addition, an algorithm for automatic generation of the character dictionary by learning process is implemented.The characters being read include numerals, alphabets and symbols (total 62). The accuracy of recognition is comparable with other handprinted OCR, but the constraints imposed on writing and on document format are fewer. This OCR is designed as an input device for reading handwritten data and programs.

本文阐述了一台手写文字识别机,介绍了具有二维相似变换功能的扫描器和电子束自动聚焦线路等自适应线路技术;一种能同时描述文字图形整体和细节的结构学识别方法以及通过学习,自动设计识别字典的方法。 本机能识别手写的数字、字母和其他符号共62种,与同类型的文字识别机相比,有同等的识别准确度,但容许文件格式和字符书写有较大的自由度。该机用作计算机的输入设备,能自动识别手写的源程序、数据和各种资料。

 
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