
[計] 字符識别
Handwritten numeral recognition is a hotspot of study for years, and is some especial issue of character recognition.
手寫體數字識别是多年來的研究熱點,也是字符識别中的一個特别問題。
As a important section of development of Machine vision, Character Recognition Technique have applied very widely in many fields.
字符識别技術是機器視覺發展的一個重要分支,在許多領域得以廣泛應用。
License plate character recognition is a main step in license plate recognition system, but its emphasis is to choose efficient features.
牌照字符識别是車牌識别系統中關鍵的一步,而字符識别的關鍵在于有效特征的選取。
The proposed approach in this paper offers a great potential for solving difficult handwriting character recognition problems under reasonable assumptions.
本文用到的方法對于在合理的模型假設下解決手寫字符識别問題呈現了很大的潛力。
In character recognition, a straight line or arc used as a segment of a graphic character.
在字符識别中,用以構成圖形字符中某一小段的直線或弧。
The research emphases of this paper include three parts: the orientation of character region, character segmentation and character recognition.
本論文的研究重點主要包括文字區域的定位、字符的分割和字符識别三個部分。
License Plate Recognition System includes the license plate images acquisition, preprocessing, character recognition and extraction of characters.
汽車牌照識别系統包括車牌圖像的采集、預處理、字符的提取和字符識别。
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後把字符從牌照中分割出來的過程,然後送到字符識别系統識别。
Character recognition technique is one of the most important research directions of identifying model by machine vision.
字符識别技術是用機器視覺進行模式識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.
針對圖像中字符識别技術的應用需求,提出了輪廓跟蹤算法的改進算法,在鍊碼表示法基礎上提出了輪廓表存儲結構。
There's no optical character recognition though -- what you get is a bitmap.
不過沒有進行光學字符識别 ——您得到的是位圖。
Two of the key indices of this kind of technique are the character recognition accuracy and speed.
************自動識别系統的關鍵指标之一是字符識别的準确率和識别速度。
In addition to the recognition method based on machine learning, we researched the character recognition method base on deformable templates too.
除了上述基于學習的字符識别方法外,我們還對可變形模闆字符識别技術進行了研究。
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.
一個典型的車牌識别系統包括圖像捕獲、車牌定位分割、字符分割、字符識别和識别結果處理等部分。
Optical character recognition is the principal technology of computer intelligence man-machine interface.
機器字符識别是計算機智能化人機接口的關鍵技術。
License plate location; Character segmentation; Feature extraction; Character recognition; Neural network.
車牌定位;字符分割;特征提取;字符識别;神經網絡。
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.
他的确信源于他在電腦各個領域都是先行者,比如光學字符識别(CD背後的科技基礎),及機器自動語音識别等領域。
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(光學字符識别)系統的重要組成部分,在将印刷文檔轉換為電子文檔的過程中是必不可少的。
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.
本課題是汽車牌照自動識别系統的一部分,建立了一個完全由軟件來實現的汽車牌照牌字符識别系統。
Character Recognition: Recognizer is a key part in the system.
字符識别:分類器是整個識别系統的核心。
A character recognition system for tire code is implemented by the digital image processing technology.
利用數字圖像處理的方法開發了輪胎胎號字符識别系統。
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.
版面分析技術是OCR系統的重要組成部分,對OCR系統中字符識别的速度和正确率都有着很大的影響。
All mail can be opened in the mail room and scanned into the computer using optical character recognition.
所有的郵件在郵件處理室中打開,利用光學字符識别掃描進計算機。
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.
本文的處理手段是對輸入的汽車圖像進行預處理,運用車牌定位、字符分割、字符識别的方法提取車牌上的字符串,并以文本的形式輸出。
A fuzzy gra***nt feature extraction method based on gra***nt normalization applied in handwritten character recognition is proposed.
提出一種應用于手寫字符識别的基于梯度歸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.
藏文字符識别系統是中文多文種信息處理系統的重要組成部分,但至今國内外的研究基本處于空白。
Character recognition is belonged to classic pattern recognition.
字符識别是一個典型的模式識别課題。
This paper presented a new multi-template character recognition method based on principal component analysis(PCA).
本文提出了一種基于主元分析法(PCA)的多模闆字符識别算法。
Magnetic ink character recognition (MICR): Devices which can identify characters printed in magnetic ink and convert them into digital data.
磁墨字符識别:分辨用磁墨印刷的字符并把它轉為數字資料的裝置。
The software system includes algorithms for movement detection, vehicle card orientation and character recognition.
軟件組成系統主要包括運動檢測算法、車牌定位算法和字符識别算法。
字符識别(Character Recognition)是計算機視覺與模式識别領域的核心技術,指通過算法自動識别圖像或視頻中的文字符號,并将其轉換為可編輯、可搜索的數字化文本。該技術根據輸入數據的形式分為兩大分支:
光學字符識别(OCR)
主要針對印刷體文字,通過圖像預處理、特征提取和分類算法,将掃描文檔、照片中的文字轉換為機器編碼。例如銀行票據處理和古籍數字化(參考來源:維基百科(https://en.wikipedia.org/wiki/Optical_character_recognition))。
手寫字符識别(HCR)
用于識别手寫文字,需解決筆迹變異、連筆書寫等問題。美國國家标準與技術研究院(NIST)數據庫收錄了超81萬張手寫樣本用于算法訓練(參考來源:NIST官方文檔(https://www.nist.gov/srd/nist-special-database-19))。
當前技術已延伸至複雜場景應用,如車牌識别、醫學報告解析和自動駕駛路标識别。微軟Azure認知服務通過卷積神經網絡實現了多語言混合排版識别(參考來源:微軟技術文檔(https://azure.microsoft.com/en-us/services/cognitive-services/computer-vision/))。
該領域仍面臨字形相似性(如"0"與"O")、低分辨率圖像和背景幹擾等挑戰。國際模式識别協會(IAPR)指出,深度學習方法使現代系統識别準确率達到99%以上(參考來源:IEEE Xplore(https://ieeexplore.ieee.org/document/9405847))。
字符識别(Character Recognition)指通過計算機技術自動識别圖像或文檔中的文字字符,并将其轉換為可編輯的數字化文本。以下是詳細解釋:
核心功能
将紙質文檔、圖片中的文字(如印刷體、手寫體)轉換為計算機可編碼的字符(如ASCII、Unicode)。
技術分類
預處理
包括圖像降噪、二值化、傾斜校正等,優化輸入質量。
特征提取
分析字符的筆畫、輪廓、結構等關鍵特征。
分類識别
使用算法(如神經網絡、支持向量機)匹配特征庫,确定字符類别。
若需進一步了解具體算法或工具(如Tesseract OCR),可提供補充說明。
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