The fabric structure identification including fabric image processing ( early and late), the fabric image pre-processing includes fabric image tilt correction and stitching, and a major impact on the fabric image post-processing accuracy.

As to the tilt correction, a method using a group of parallel lines to get the tilt angle is used, and then we can correct the lean text lines based on the tilt angle.

在对倾斜的文本行进行倾斜校正时，本文提出了一种用一组等距平行线探测倾斜角的方法，再根据倾斜角进行校正。

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Disposing the license plate images by pretreatment and tilt correction, then though the methods of projection and calibration to segment characters. ( 3) Research on the algorithms of character recognition.

主要对车牌图像的预处理及倾斜校正进行研究，采用投影法对字符进行分割，通过分割校验机制，提高后继字符识别环节的准确率。（3）研究字符识别算法。

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The results show that this method has lower miss ratio and shorter running time. Fifthly, a vehicle plate tilt correction method based on chaotic particle swarm optimization and character rotation projection is proposed.

实验结果表明该方法误检率更低且运算时间较短。5、给出了一种基于混沌粒子群和字符旋转投影的车牌图像倾斜校正方法。

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For slant correction, Hough transform is used to estimate the skew angle in this paper. Then the license plate is rotated to achieve the tilt correction.

对于倾斜校正，本文先是利用Hough变换测出车牌的倾斜角度，然后将车牌进行旋转以达到校正的目的。

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The conclusions show that the loess infiltration character can determinate the distance in water injection pipe, pit or slot, and tilt correction by injection water design has controllability.

通过研究表明：利用黄土入渗特性确定浸水管、坑或槽的间距，具有理论依据，并使浸水纠偏设计具有可控性。

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For recognition, the front or trailing edge of projection of binary image on horizontal axis basically shows linear shape, so least square theory is applied in tilt correction.

识别过程中，数码管二值化后的图像在水平轴上的投影，其上升沿或下降沿基本呈现直线的形状，尝试把最小二乘法应用于倾斜校正。

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The proposed algorithm can be divided into five sections, which are vertical edge detection, edge statistical analysis, candidate regions location, candidate regions filtration, tilt correction.

该方法分为竖直边缘检测、边缘统计分析、车牌候选区定位、候选区筛选、车牌倾斜矫正。

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The algorithm of automatic license plate recognition is deeply studied for the main work of this article, focusing on the license plate location, tilt correction and character segmentation algorithm.

本文的主要工作是对车牌自动识别算法进行了深入地研究，重点研究了车牌定位、倾斜校正和字符分割算法。

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In addition, using the tilt correction algorithm mentioned in this paper makes split characters well corrected, and character positioning is also accurate in the template images.

另外，使用本文提出的倾斜矫正算法能够对分割后的字符进行良好的矫正；字符在模板中的定位也较为准确。

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The paper has actual meaning and promotion value, which supply theory and technology guide for building tilt correction by injecting water in collapsible loess.

本文所做的研究工作具有很强的现实意义和推广价值，为湿陷性黄土地区建筑物浸水纠偏提供了理论和技术指导。

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This paper gives a new license plate tilt correction method based on connected component analysis and a new character segmentation method based on Template matching.

字符分割，本文给出了一种基于连通域分析的车牌倾斜校正方法和基于模板匹配的字符分割方法。

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In the research of character recognition, this paper proposed a license plate tilt correction algorithm based on the growth of connected pixels.

在车牌字符识别的研究中，使用了基于像素连通域生长的车牌倾斜校正算法对车牌图像进行校正。

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To solve the problem of tilt correction this paper proposes two methods based on sparse representation and low-rank matrix recovery technique.

为了解决倾斜校正问题本文提出了两种基于低秩矩阵复原技术的方法。

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For tilted characters only in horizontal direction, even without tilt correction, this method can achieve better segmentation.

这种分割方法对只在水平方向倾斜的字符，即使不经过倾斜矫正，也能达到较好的字符分割效果。

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Vertical Tilt Correction for Vehicle License Plate Based on Minimizing Variance of Coordinates of Projection Points

投影点坐标方差最小化车牌垂直倾斜校正垂直投射电离层探测装置

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This method does not require tilt correction, and reduce the work of character segmentation.

该方法不需要进行倾斜矫正，减少了车牌定位后进行字符分割的工作。

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A Novel Approach for Vehicle License Plate Tilt Correction

一种新的车牌倾斜校正方法

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An approach to horizontal tilt correction based on matchstick model

一种基于火柴棒模型的图像水平倾斜矫正算法

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LED Chip and Chip Plate Tilt Correction Based on Image Moments

基于图像矩的LED芯片和盘片倾斜矫正

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Therefore, the tilt correction problem is considered as the optimization problem of matrix rank minimization.

因此，地震图倾斜校正的问题可以看作是矩阵的秩最小的优化问题。

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