A License Plate Recognition System Based on the Dynamic Space Warping Algorithm

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簡歷

基本資料

Project title

Code/計畫編號

NSC96-2221-E019-042-MY2

Translated Name/計畫中文名

以動態空間扭曲演算法為基礎之車牌辯識系統

Project Coordinator/計畫主持人

Mao-Hsu Yen

Funding Organization/主管機關

National Science and Technology Council

Co-Investigator(s)/共同執行人

謝慶發
易昶霈

Department/Unit

Department of Computer Science and Engineering

Website

https://www.grb.gov.tw/search/planDetail?id=1620863

Year

2008

Start date/計畫起

01-08-2008

Expected Completion/計畫迄

31-07-2009

Bugetid/研究經費

556千元

ResearchField/研究領域

資訊工程--硬體工程

車牌辨識系統在交通方面的相關應用上，已經慢慢變的越來越重要，例如：道路交通監視器或者、停車場入口控制。在這個計劃裡，我們為自動化車牌號碼辨識系統提出一個演算法及硬體架構，並且實作在FPGA 上。根據 DSW 演算法，我們提出一個強而有力的自動車牌辨識系統，此系統可以讀取任意車輛的車牌號碼，即時是在非常不理想的環境情形下。在這個計劃裡，我們提出一個「單指令多資料」和「心跳式」的超大型積體電路 ( VLSI ) 硬體架構，來計算動態空間扭曲演算法。此架構相當具有規則性，而且只需少數的輸入及輸出腳，所以非常適合超大型積體電路的製作。目前，我們將這個「單指令多資料」－「心跳式」架構設計在FPGA ( Altera DE2 ) 上，來計算動態空間扭曲演算法。根據 DSW 演算法，我們的計劃依照底下的描述包含了兩個部份。第一年的計劃裡，我們主要處理車牌辨識系統的DSW 演算法及DTW 架構。這個部份，我們將以軟體製材來實作，並且利用基準點在系統層次平台檢查 DSW 的參數效能。第二年，我們為DSW 演算法提出「單指令多資料」－「心跳式」陣列架構，同時以硬體製材來呈現。接著我們將DSW 的硬體跟軟體兩部分結合在一起，最後DSW 的硬體核心和軟體將會組合成車牌辨識系統。在這個兩年計劃結束之前，我們將會擁有一個DSW 實體並且可用的硬體跟軟體。我們運用一個新的DSW 技術來在車牌辨識系統上。參加這個計劃的學生將會是車牌辨識系統工業的未來的設計工程師。 License plate recognition (LPR) systems become the key to many traffic related applications such as road traffic monitoring or parking lots access control. In this project, an algorithm and hardware architecture implemented in the FPGA for automatic vehicle plate number identification is presented. Based on the Dynamic Space Warping (DSW) algorithm, we presents a powerful automated license plate recognition system, which is able to read license numbers of cars, even under circumstances, which are far from ideal. In this project we present a VLSI architecture, which exhibit both SIMD and systolic behavior for computing the DSW algorithm. Such architecture is well-suited for VLSI implementation because of regular structure and small number of input/output. Currently, the SIMD-systolic architecture will be designed on an FPGA (Altera DE2 system) for computing the DSW algorithm. Based on the DSW algorithm, our project will span two stages as described in the following. In the first year』s project, we are mainly proposing the DSW algorithm and DTW architecture for LPR system. We will implement it in the form of a soft IP. We examine the effect of the parameters of the DSW on the system level performance using the benchmarks. During the second year, we will present SIMD-systolic array VLSI architecture for the DSW algorithm; we will also implement the DSW in the form of a hard IP. In this stage, we will integrate the hardware and software of the DSW. Finally, the hardware core and the software of the DSW will be incorporated into the LPR system. By the end of our two-year project, we will have a solid, feasible hardware and software for DSW, which has been validated on the target DSW. We will have a novel DSW technique for LPR applications. The students taking part in this project will be the future design engineers in our growing LPR industry.

Keyword(s)

車牌辯識
二維物體辯識
動態空間扭曲演算法
LPR
DSW
2D Recognition
License Plate Recognition
Dynamic Space Warping

DSpace CRIS

A License Plate Recognition System Based on the Dynamic Space Warping Algorithm

基本資料

Description