【摘要】：智能交通系統(tǒng)是我國(guó)未來(lái)交通運(yùn)輸發(fā)展規(guī)劃的重要方向，車輛牌照作為車輛身份的重要標(biāo)識(shí)和證明，利用計(jì)算機(jī)對(duì)其進(jìn)行高速快速的識(shí)別一直是智能交通系統(tǒng)中的一項(xiàng)重要技術(shù)車牌識(shí)別在車輛管理保障交通運(yùn)輸安全和維護(hù)社會(huì)治安減緩交通擁堵，實(shí)現(xiàn)交通管理的現(xiàn)代化和自動(dòng)化有著現(xiàn)實(shí)意義隨著經(jīng)濟(jì)和社會(huì)的蓬勃發(fā)展，機(jī)動(dòng)車輛的保有量迅速增長(zhǎng)，對(duì)交通控制管理收費(fèi)系統(tǒng)的要求也日益提高，因此采用更高效更智能的車牌識(shí)別技術(shù)是實(shí)現(xiàn)交通管理的安全智能化的主要發(fā)展方向 當(dāng)前有很多的研究機(jī)構(gòu)都積極投入到了車牌識(shí)別技術(shù)的研發(fā)中，但其框架都是采用的目前車牌識(shí)別系統(tǒng)所共有的經(jīng)典四步法：圖像采集車牌定位字符分割字符識(shí)別現(xiàn)行依據(jù)四步法投入到實(shí)際應(yīng)用的車牌識(shí)別系統(tǒng)在功耗識(shí)別速度和識(shí)別率等方面仍然存在不足 二維碼作為條碼技術(shù)中的一種，，具有編碼密集存儲(chǔ)信息量大糾錯(cuò)能力高容錯(cuò)好編碼范圍廣譯碼識(shí)別率高等優(yōu)點(diǎn)，已在多個(gè)領(lǐng)域得到了廣泛應(yīng)用，但是在車牌識(shí)別領(lǐng)域的應(yīng)用國(guó)內(nèi)還沒(méi)有展開相關(guān)的研究本文首先通過(guò)分析現(xiàn)行車牌識(shí)別系統(tǒng)，驗(yàn)證了其不足之處；其次闡明了二維碼的概念發(fā)展歷程以及分類，重點(diǎn)對(duì)QR（QuickResponse）二維碼的編碼以及解碼過(guò)程進(jìn)行分析；接著本文針對(duì)現(xiàn)行車牌識(shí)別方法存在的各種問(wèn)題并結(jié)合二維碼的優(yōu)點(diǎn)，提出了一種探索性的研究：即二維碼與傳統(tǒng)車牌識(shí)別相結(jié)合的車牌識(shí)別方法，并設(shè)計(jì)出了帶有二維碼的新型車牌；最后通過(guò)試驗(yàn)驗(yàn)證了新型車牌與其識(shí)別系統(tǒng)的有效性，達(dá)到了預(yù)期設(shè)計(jì)效果，實(shí)現(xiàn)了利用二維碼技術(shù)實(shí)現(xiàn)車牌識(shí)別的新途徑
[Abstract]:Intelligent Transportation system (its) is an important direction of transportation development planning in our country in the future. Vehicle license plate is an important sign and proof of vehicle identity. It is an important technology in Intelligent Transportation system (its) to use computer to identify its high speed and fast. License plate recognition is an important technology in vehicle management to ensure traffic safety and maintain public order to reduce traffic congestion. With the rapid development of economy and society, the number of motor vehicles has increased rapidly, and the requirement of traffic control management charge system is also increasing day by day. Therefore, the adoption of more efficient and intelligent license plate recognition technology is the main development direction of realizing the safety and intelligence of traffic management. At present, many research institutions are actively engaged in the research and development of license plate recognition technology. But its frame is the classic four-step method common to the current license plate recognition system: image acquisition, license plate location, character segmentation, character recognition, which is based on the four-step method, is applied to the practical application of the license plate recognition system at the speed of power consumption recognition. There are still some shortcomings in the fields of degree and recognition rate, such as two-dimensional code as one of barcode technology, It has been widely used in many fields because it has the advantages of large amount of coding and dense storage information, high error tolerance, good coding range, wide decoding and recognition rate, and so on. But the application in the field of license plate recognition has not been carried out in China. Firstly, by analyzing the current license plate recognition system, this paper verifies its shortcomings; secondly, it clarifies the concept development course and classification of two-dimensional code. This paper focuses on the analysis of the encoding and decoding process of QR (QuickResponse) two-dimensional code. Then, aiming at the various problems existing in the current license plate recognition method and combining the advantages of the two-dimensional code, In this paper, an exploratory study is put forward, that is, a new license plate with two dimensional code is designed, and the validity of the new license plate and its recognition system is verified by experiments. The expected design effect is achieved, and a new way to realize license plate recognition using two-dimensional code technology is realized.
【學(xué)位授予單位】：長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U495

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