
[计] 字符识别
Handwritten numeral recognition is a hotspot of study for years, and is some especial issue of character recognition.
手写体数字识别是多年来的研究热点,也是字符识别中的一个特别问题。
As a important section of development of Machine vision, Character Recognition Technique have applied very widely in many fields.
字符识别技术是机器视觉发展的一个重要分支,在许多领域得以广泛应用。
License plate character recognition is a main step in license plate recognition system, but its emphasis is to choose efficient features.
牌照字符识别是车牌识别系统中关键的一步,而字符识别的关键在于有效特征的选取。
The proposed approach in this paper offers a great potential for solving difficult handwriting character recognition problems under reasonable assumptions.
本文用到的方法对于在合理的模型假设下解决手写字符识别问题呈现了很大的潜力。
In character recognition, a straight line or arc used as a segment of a graphic character.
在字符识别中,用以构成图形字符中某一小段的直线或弧。
The research emphases of this paper include three parts: the orientation of character region, character segmentation and character recognition.
本论文的研究重点主要包括文字区域的定位、字符的分割和字符识别三个部分。
License Plate Recognition System includes the license plate images acquisition, preprocessing, character recognition and extraction of characters.
汽车牌照识别系统包括车牌图像的采集、预处理、字符的提取和字符识别。
Character extraction is to get the characters from the plate after the plate location, and then send them to character recognition system to recognize.
字符分割是在牌照定位后把字符从牌照中分割出来的过程,然后送到字符识别系统识别。
Character recognition technique is one of the most important research directions of identifying model by machine vision.
字符识别技术是用机器视觉进行模式识别的重要研究方向之一。
To fulfill the application requirement of character recognition in image, an improved algorithm for contour following algorithm was proposed and a contour list based on chain code was presented.
针对图像中字符识别技术的应用需求,提出了轮廓跟踪算法的改进算法,在链码表示法基础上提出了轮廓表存储结构。
There's no optical character recognition though -- what you get is a bitmap.
不过没有进行光学字符识别 ——您得到的是位图。
Two of the key indices of this kind of technique are the character recognition accuracy and speed.
************自动识别系统的关键指标之一是字符识别的准确率和识别速度。
In addition to the recognition method based on machine learning, we researched the character recognition method base on deformable templates too.
除了上述基于学习的字符识别方法外,我们还对可变形模板字符识别技术进行了研究。
A typical LPR system will include image collecting part, plate location and segmentation part, character segmentation part, character recognition part and result processing part etc.
一个典型的车牌识别系统包括图像捕获、车牌定位分割、字符分割、字符识别和识别结果处理等部分。
Optical character recognition is the principal technology of computer intelligence man-machine interface.
机器字符识别是计算机智能化人机接口的关键技术。
License plate location; Character segmentation; Feature extraction; Character recognition; Neural network.
车牌定位;字符分割;特征提取;字符识别;神经网络。
His credentials stem from being a pioneer in various fields of computing, such as optical character recognition – the technology behind CDs – and automatic speech recognition by machine.
他的确信源于他在电脑各个领域都是先行者,比如光学字符识别(CD背后的科技基础),及机器自动语音识别等领域。
Page segmentation is an important part of optical character recognition (OCR) system, it is a necessary step in the process of transforming printed documents to electronic version.
版面分割是OCR(光学字符识别)系统的重要组成部分,在将印刷文档转换为电子文档的过程中是必不可少的。
The paper introduces a part of license plate recognition system, and the aim is to set up a license plate character recognition system through using software completely.
本课题是汽车牌照自动识别系统的一部分,建立了一个完全由软件来实现的汽车牌照牌字符识别系统。
Character Recognition: Recognizer is a key part in the system.
字符识别:分类器是整个识别系统的核心。
A character recognition system for tire code is implemented by the digital image processing technology.
利用数字图像处理的方法开发了轮胎胎号字符识别系统。
The Document layout Analysis is an important technology of the OCR system, which has played more important role on the character recognition and preciseness in OCR system.
版面分析技术是OCR系统的重要组成部分,对OCR系统中字符识别的速度和正确率都有着很大的影响。
All mail can be opened in the mail room and scanned into the computer using optical character recognition.
所有的邮件在邮件处理室中打开,利用光学字符识别扫描进计算机。
Its measure is to deal with the inputted images, exploit license plate location character segmentation character recognition to extract the character strings, and express these strings in text form.
本文的处理手段是对输入的汽车图像进行预处理,运用车牌定位、字符分割、字符识别的方法提取车牌上的字符串,并以文本的形式输出。
A fuzzy gra***nt feature extraction method based on gra***nt normalization applied in handwritten character recognition is proposed.
提出一种应用于手写字符识别的基于梯度归一化模糊梯度特征提取方法。
Tibetan character recognition is a significant module of Chinese multi language information processing system, however hardly any research work has been undertaken yet.
藏文字符识别系统是中文多文种信息处理系统的重要组成部分,但至今国内外的研究基本处于空白。
Character recognition is belonged to classic pattern recognition.
字符识别是一个典型的模式识别课题。
This paper presented a new multi-template character recognition method based on principal component analysis(PCA).
本文提出了一种基于主元分析法(PCA)的多模板字符识别算法。
Magnetic ink character recognition (MICR): Devices which can identify characters printed in magnetic ink and convert them into digital data.
磁墨字符识别:分辨用磁墨印刷的字符并把它转为数字资料的装置。
The software system includes algorithms for movement detection, vehicle card orientation and character recognition.
软件组成系统主要包括运动检测算法、车牌定位算法和字符识别算法。
字符识别(Character Recognition)是计算机视觉与模式识别领域的核心技术,指通过算法自动识别图像或视频中的文字符号,并将其转换为可编辑、可搜索的数字化文本。该技术根据输入数据的形式分为两大分支:
光学字符识别(OCR)
主要针对印刷体文字,通过图像预处理、特征提取和分类算法,将扫描文档、照片中的文字转换为机器编码。例如银行票据处理和古籍数字化(参考来源:维基百科(https://en.wikipedia.org/wiki/Optical_character_recognition))。
手写字符识别(HCR)
用于识别手写文字,需解决笔迹变异、连笔书写等问题。美国国家标准与技术研究院(NIST)数据库收录了超81万张手写样本用于算法训练(参考来源:NIST官方文档(https://www.nist.gov/srd/nist-special-database-19))。
当前技术已延伸至复杂场景应用,如车牌识别、医学报告解析和自动驾驶路标识别。微软Azure认知服务通过卷积神经网络实现了多语言混合排版识别(参考来源:微软技术文档(https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/))。
该领域仍面临字形相似性(如"0"与"O")、低分辨率图像和背景干扰等挑战。国际模式识别协会(IAPR)指出,深度学习方法使现代系统识别准确率达到99%以上(参考来源:IEEE Xplore(https://ieeexplore.ieee.org/document/9405847))。
字符识别(Character Recognition)指通过计算机技术自动识别图像或文档中的文字字符,并将其转换为可编辑的数字化文本。以下是详细解释:
核心功能
将纸质文档、图片中的文字(如印刷体、手写体)转换为计算机可编码的字符(如ASCII、Unicode)。
技术分类
预处理
包括图像降噪、二值化、倾斜校正等,优化输入质量。
特征提取
分析字符的笔画、轮廓、结构等关键特征。
分类识别
使用算法(如神经网络、支持向量机)匹配特征库,确定字符类别。
若需进一步了解具体算法或工具(如Tesseract OCR),可提供补充说明。
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