Detection of the Contour Corner of Character Image Based on the Freeman Chain Code 基于Freeman链码的汉字图像轮廓曲线拐角点检测方法
Then, it interpolates the contour character point with the third power cycle non-uniform B-spline to make slice contour into vectorgraph. 接着,用周期三次非均匀B样条拟合轮廓特征点,完成了轮廓的矢量化处理。
The result shows that this method is very simple and can make better approach of vector contour character with less critical point, and it also can keep the character of vector contour character s. 结果表明,该方法计算简单,以较少的关键点实现了对向量字轮廓的较好拟合,基本保持了字形特征。
Contour Based Uighur Character Segment 基于轮廓的维吾尔文切分
In character recognition, the character lineament sequence was generated according to contour list and the character similarity was measured by its correlation value. 在字符识别中根据轮廓表生成字符的轮廓特征数据序列,运用其相关值来度量字符的相似程度。
Improvement of contour following algorithm and its application in character recognition 轮廓跟踪算法的改进及在字符识别技术中的应用
The contour line of Chinese character can not only be attained, but also be magnified smoothly in this way. 该方法不仅能获得汉字字形的轮廓线,还能平滑地放大汉字字形轮廓。
Tne Design and Implementation of a Algorithm for Vectorized Contour Compressing for Chinese Character Fonts 汉字字形向量轮廓压缩算法的设计与实现
This paper describes the algorithm of extracting vectorizsd contour automatically by software from dot-raatrixed Chinese character fonts. 本文讨论了一种从点阵式汉字字形由软件自动抽取向量轮廓字形的算法。
Combined with the contour chain codes by sub-region projection transform, this method firstly constructs 4 HMMs for each Chinese character, and synthesizes the results of the 4 HMMs by equal proportion method, and then gets the final recognition result. 该方法首先提取基于区域投影变换形成的边界链码特征,对每个汉字建立4个HMM,通过等比重综合方法将4个分类器的计算结果进行综合,从而得到识别结果。
Edge detection includes contour extraction and background removal for an illustration of gray-level, extraction of tumor region in color image and enlargement of type size of Chinese character. 边缘检测包括可去除多余边缘的一般灰度图像实例,彩色肿瘤图像的边缘提取,汉字放大。
We also present mesh character retrieve and mesh contour body volume estimation methods based on the mesh character extraction and character construction representation in further applications. 在网格体特征提取和特征重构的基础上,实现了网格特征的其它一些应用,如网格特征检索,网格特征轮廓体体积估算等。
The paper introduces the design and implementation of vector fonts from capturing character bitmap, abstracting bitmap contour and creating vector data to building vector fonts, loading and displaying based on the algorithm of contour character bitmap vector. 本文以一种轮廓文字位图矢量化的方法为基础,详细介绍了从文字位图数据抓取、位图轮廓提取、矢量化数据生成、到矢量化字库生成、读取及显示的设计与实现方法。
New Method for Auto-Generating Curve Contour Character 一种新的曲线字库自动生成方法
Through distilling the color and contour character of the clothes of the target human, this algorithm identifies the target human under a free background, and improves the environmental adaptability of a human movement analysis system with a normal camera through a method of dynamic updating. 通过提取目标人的衣服色彩及轮廓特征,能够从自由背景中识别出目标人,并通过动态更新的方法提高基于普通摄像机的人体运动分析系统对环境的适应性。
By this method, a group of Bezier curves describing the contour of the Chinese character can be obtained from the dot matrix pattern directly. On the other hand, the original dot matrix can be restored by means of the B-curve too. 所述方法可直接从汉字点阵数据得到描述汉字字形轮廓线的一组Bezier曲线,并可由此复原出原有点阵,从而表明了该方法对一般黑白图象的有效性。
Then, the scale adaptive cubic B spline wavelet transform is applied to the outer contour vertical distance of character regions for coarse segmentation; 其次,对字符外轮廓垂直距离采用尺度自适应三次B样条小波变换进行字符的粗分割;
A contour tracking algorithm with simultaneous edge feature detection is proposed and the character contour is separated from the complete graph contour of the scanned image based on rules. 提出了同步边缘特性检测的轮廓跟踪算法,并基于规则从扫描图像全图轮廓中分离字符轮廓;
The method of extracting the external contour feature and penetration characteristics after character skeletonization to combine into a single character feature dataset is proposed to improve character recognition rate of system. 针对实际测试的字符图像特点,将字符骨骼化后抽取外围轮廓特征和穿透特征,组合为单个字符特征数据集,从而提高系统识准率。
The algorithm combines the contour smooth based on the B-spline fitting according to the slice correspondence information with the smooth in one layer, and using the character points collected from the section sampling model, all the slice contours can be smoothed effectively. 该算法通过结合轮廓切片间的B样条曲线拟合平滑和切片内的多级滤波平滑处理,利用作者提出的截面切割采样模型采集特征点,实现对轮廓序列的整体平滑处理。
It will not produce local bump like the local curve deformation to hurt the contour character of the whole curve. 它不像其它局部变形技术那样会产生局部的肿块,从而影响了曲线的整体轮廓特征。
The both-way inclination optical measurement is presented based on the thread contour character, solves the problem that traditional optical method is hard to measure the large slope object and increases the value collection accuracy of the thread profile. 针对螺纹形面特点,提出了光学双向倾斜扫描坐标测量方法,双向倾斜扫描测量方法克服了传统光学方法对大倾斜面物体难以测量的困难,提高了螺纹形面数据采集精度。
Edge detection and denoising are important image preprocessing technologies, which have been used widely in many application fields, such as extraction of image contour, character and texture analysis. 图像边缘检测和去噪是重要的图像预处理技术,广泛应用于图像轮廓、图像特征的提取以及纹理分析等应用领域。