基于數(shù)字化" title="數(shù)字化">數(shù)字化智能小區(qū)" title="智能小區(qū)">智能小區(qū)建設(shè)要求,采用指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" 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title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" title="指紋識(shí)別">指紋識(shí)別" 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title="指紋識(shí)別">指紋識(shí)別技術(shù)實(shí)現(xiàn)小區(qū)居民在社區(qū)進(jìn)行消費(fèi)、停車收費(fèi)及計(jì)量查詢等需進(jìn)行身份識(shí)別的項(xiàng)目,設(shè)計(jì)了智能小區(qū)指紋通系統(tǒng)方案。智能小區(qū)指紋通系統(tǒng)的設(shè)計(jì)是基于指紋識(shí)別技術(shù)的一個(gè)新領(lǐng)域應(yīng)用,是利用小區(qū)局域網(wǎng)傳輸數(shù)據(jù),實(shí)現(xiàn)小區(qū)各種身份識(shí)別應(yīng)用的指紋通管理系統(tǒng)。
小區(qū)智能化是一個(gè)綜合性系統(tǒng)工程,要從其功能、性能、成本、擴(kuò)充能力及與現(xiàn)代相關(guān)技術(shù)的應(yīng)用等多方面來(lái)考慮。不僅要考慮到系統(tǒng)初期建設(shè)的投資成本,更要考慮到系統(tǒng)未來(lái)運(yùn)行的實(shí)用性、可操作性以及系統(tǒng)的運(yùn)行與維護(hù)的成本。所以,在小區(qū)各項(xiàng)系統(tǒng)的設(shè)計(jì)選型時(shí)要全面考慮各個(gè)方面的因素,選用技術(shù)成熟、可靠性高并且有較好性價(jià)比的產(chǎn)品是至關(guān)重要的。
基于這樣的需求,將指紋自動(dòng)識(shí)別技術(shù)應(yīng)用于小區(qū)醫(yī)院就醫(yī)、小區(qū)超市購(gòu)物、用電、開(kāi)水房打水、洗澡、小區(qū)活動(dòng)室活動(dòng)、圖書閱覽室借閱期刊書籍、樓宇出入以及小區(qū)出入等方面,取得了較好的效果。主要解決了居民使用證件繁多容易丟失,給生活帶來(lái)很多不便的矛盾,采用指紋自動(dòng)識(shí)別技術(shù)設(shè)計(jì)的指紋通系統(tǒng)的應(yīng)用,提升了管理水平,促進(jìn)了管理手段現(xiàn)代化。
在小區(qū)管理系統(tǒng)中嵌入指紋自動(dòng)識(shí)別技術(shù),使用者不用帶任何證件,只需在指紋識(shí)別儀上按下指紋,即可辦理小區(qū)居民確認(rèn)身份方面的事情,既方便了使用者,又減輕了工作人員的工作量,從根本上杜絕了盜用和誤用他人證件的現(xiàn)象。而指紋識(shí)別系統(tǒng)的實(shí)現(xiàn)并不是遙不可及,其指紋識(shí)別系統(tǒng)的硬件投資并不大,一般的智能小區(qū)都可以接受。其關(guān)鍵技術(shù)是識(shí)別系統(tǒng)軟件的開(kāi)發(fā)以及識(shí)別系統(tǒng)軟件與小區(qū)的管理系統(tǒng)軟件的集成。
指紋識(shí)別技術(shù)
眾所周知,人的指紋具有唯一性和穩(wěn)定性的特征,即每一個(gè)人的指紋是獨(dú)一無(wú)二的,兩者之間不存在相同的指紋,而且每個(gè)人的指紋是相當(dāng)固定的,一般不會(huì)隨年齡和健康狀況的變化而改變,因此可以通過(guò)指紋識(shí)別出人的身份。目前,國(guó)內(nèi)外的自動(dòng)指紋識(shí)別系統(tǒng)很多,但其結(jié)構(gòu)大同小異,一般包括指紋的采集與分類、指紋的細(xì)節(jié)匹配及指紋的壓縮與存儲(chǔ)。
1.指紋的采集與分類
這是自動(dòng)指紋識(shí)別系統(tǒng)( AFIS) 運(yùn)作的第一個(gè)環(huán)節(jié)。通過(guò)光學(xué)或CMOS 指紋采集儀將活體指紋的圖像錄入系統(tǒng),對(duì)圖像進(jìn)行分割處理,在保持有用指紋信息基本完整的前提下,剪去一些多余的圖像信息,產(chǎn)生一個(gè)相對(duì)較小的指紋圖,對(duì)該圖進(jìn)行增強(qiáng)處理減弱噪聲,增強(qiáng)脊和谷的對(duì)比度,提高圖像質(zhì)量。然后提取圖像的特征,生成方向數(shù)組,再通過(guò)指紋分析器,根據(jù)指紋的脊和谷流向,將其分為尖拱類、拱類、左環(huán)類、右環(huán)類及旋渦類等五種或更小的種類屬別。指紋分類的主要目的是方便大容量指紋庫(kù)的管理,減少搜索空間,加速指紋匹配過(guò)程。
2.指紋的采集
在指紋識(shí)別設(shè)備正常連接后,可以進(jìn)行指紋的登記錄入。在讀者指紋的采集過(guò)程中,讀者的指紋需要錄入兩次,第一次采集的指紋和第二次采集的指紋進(jìn)行比對(duì),如果成功系統(tǒng)將正常保存,并添加到指紋識(shí)別系統(tǒng)。
如果采集的指紋不合格,系統(tǒng)將給出聲音提示。
如果識(shí)別不合格,保存功能不能使用,需要重新采集。以對(duì)所采集的讀者指紋信息在保存到數(shù)據(jù)庫(kù)前進(jìn)行雙重質(zhì)量控制。要判斷采集指紋的質(zhì)量,將第二次采集的指紋信息和第一次采集的指紋模板進(jìn)行1:1 的單一比對(duì),以保證指紋的采集質(zhì)量,避免違法、不合格指紋信息存入數(shù)據(jù)庫(kù)。
3.指紋的細(xì)節(jié)匹配
這是自動(dòng)指紋識(shí)別系統(tǒng)核心。在本系統(tǒng)中采用的是Biokey 算法,此算法是一種快速、準(zhǔn)確的1:1和1:N 指紋識(shí)別算法,在使用Biokey進(jìn)行指紋識(shí)別時(shí)2000~6000枚指紋),不需要對(duì)指紋通過(guò)姓名、PIN等預(yù)先分類就可以在1~5S以下測(cè)試都在Pentium III900MHZ+128MB 內(nèi)存環(huán)境下進(jìn)行)內(nèi)輕松完成。
4. 指紋的壓縮和存儲(chǔ)
為了節(jié)省存儲(chǔ)空間,必須對(duì)指紋圖像進(jìn)行壓縮。目前指紋圖像數(shù)據(jù)壓縮算法較常見(jiàn)的是JPEG、WSQ及EZW等,本系統(tǒng)采用Biokey-WSQ基于自適應(yīng)的標(biāo)量量化和小波分解的圖像壓縮算法,該算法用于指紋圖像壓縮時(shí),可以盡量保持指紋細(xì)節(jié)特征點(diǎn)信息,解壓縮后對(duì)提取指紋細(xì)節(jié)特征精度的影響較小。WSQ算法在進(jìn)行大壓縮比率的指紋圖像壓縮時(shí),還原解壓后的指紋圖像細(xì)節(jié)特征點(diǎn)的定位和有關(guān)信息保存的較好,對(duì)隨后將要進(jìn)行的指紋識(shí)別影響較小。WSQ 壓縮比為1:20或1:15,即一個(gè)指紋圖像可以壓縮到6~10K,這個(gè)壓縮比例采用這種算法是非常合適的。這樣既節(jié)省了存儲(chǔ)空間,而且在解壓后又不影響模板特征點(diǎn)的提取。將其用于指紋圖像壓縮,并考慮到指紋圖像識(shí)別的需要,從盡量保持關(guān)鍵點(diǎn)信息的角度改進(jìn)了該算法。
智能小區(qū)指紋管理平臺(tái)分析
經(jīng)過(guò)深入分析和和討論,智能小區(qū)指紋通身份管理采用指紋管理平臺(tái)。系統(tǒng)用例圖如圖1 所示。
圖1 系統(tǒng)用例圖
根據(jù)系統(tǒng)用例圖,設(shè)計(jì)了智能小區(qū)指紋通指紋管理平臺(tái)的功能結(jié)構(gòu)如圖2 所示。
圖2 功能結(jié)構(gòu)圖
本系統(tǒng)劃分為三大模塊:即系統(tǒng)操作模塊、系統(tǒng)管理模塊和數(shù)據(jù)管理模塊。在系統(tǒng)操作模塊中設(shè)計(jì)了指紋儀初始化模塊,使計(jì)算機(jī)識(shí)別到指紋儀,正常工作時(shí)進(jìn)行指紋錄入、指紋編輯、指紋識(shí)別和關(guān)閉設(shè)備等操作;在系統(tǒng)管理模塊中設(shè)計(jì)了用戶管理和窗口隱藏的功能;在數(shù)據(jù)管理模塊中設(shè)計(jì)了使用者指紋庫(kù)的備份和恢復(fù)功能;并設(shè)計(jì)了在線幫助功能。
基于數(shù)字化智能小區(qū)建設(shè)要求,采用指紋識(shí)別技術(shù)實(shí)現(xiàn)小區(qū)居民在社區(qū)進(jìn)行消費(fèi)、停車收費(fèi)及計(jì)量查詢等需進(jìn)行身份識(shí)別的項(xiàng)目,設(shè)計(jì)了智能小區(qū)指紋通系統(tǒng)方案。智能小區(qū)指紋通系統(tǒng)的設(shè)計(jì)是基于指紋識(shí)別技術(shù)的一個(gè)新領(lǐng)域應(yīng)用,是利用小區(qū)局域網(wǎng)傳輸數(shù)據(jù),實(shí)現(xiàn)小區(qū)各種身份識(shí)別應(yīng)用的指紋通管理系統(tǒng)。
小區(qū)智能化是一個(gè)綜合性系統(tǒng)工程,要從其功能、性能、成本、擴(kuò)充能力及與現(xiàn)代相關(guān)技術(shù)的應(yīng)用等多方面來(lái)考慮。不僅要考慮到系統(tǒng)初期建設(shè)的投資成本,更要考慮到系統(tǒng)未來(lái)運(yùn)行的實(shí)用性、可操作性以及系統(tǒng)的運(yùn)行與維護(hù)的成本。所以,在小區(qū)各項(xiàng)系統(tǒng)的設(shè)計(jì)選型時(shí)要全面考慮各個(gè)方面的因素,選用技術(shù)成熟、可靠性高并且有較好性價(jià)比的產(chǎn)品是至關(guān)重要的。
基于這樣的需求,將指紋自動(dòng)識(shí)別技術(shù)應(yīng)用于小區(qū)醫(yī)院就醫(yī)、小區(qū)超市購(gòu)物、用電、開(kāi)水房打水、洗澡、小區(qū)活動(dòng)室活動(dòng)、圖書閱覽室借閱期刊書籍、樓宇出入以及小區(qū)出入等方面,取得了較好的效果。主要解決了居民使用證件繁多容易丟失,給生活帶來(lái)很多不便的矛盾,采用指紋自動(dòng)識(shí)別技術(shù)設(shè)計(jì)的指紋通系統(tǒng)的應(yīng)用,提升了管理水平,促進(jìn)了管理手段現(xiàn)代化。
在小區(qū)管理系統(tǒng)中嵌入指紋自動(dòng)識(shí)別技術(shù),使用者不用帶任何證件,只需在指紋識(shí)別儀上按下指紋,即可辦理小區(qū)居民確認(rèn)身份方面的事情,既方便了使用者,又減輕了工作人員的工作量,從根本上杜絕了盜用和誤用他人證件的現(xiàn)象。而指紋識(shí)別系統(tǒng)的實(shí)現(xiàn)并不是遙不可及,其指紋識(shí)別系統(tǒng)的硬件投資并不大,一般的智能小區(qū)都可以接受。其關(guān)鍵技術(shù)是識(shí)別系統(tǒng)軟件的開(kāi)發(fā)以及識(shí)別系統(tǒng)軟件與小區(qū)的管理系統(tǒng)軟件的集成。
指紋識(shí)別技術(shù)
眾所周知,人的指紋具有唯一性和穩(wěn)定性的特征,即每一個(gè)人的指紋是獨(dú)一無(wú)二的,兩者之間不存在相同的指紋,而且每個(gè)人的指紋是相當(dāng)固定的,一般不會(huì)隨年齡和健康狀況的變化而改變,因此可以通過(guò)指紋識(shí)別出人的身份。目前,國(guó)內(nèi)外的自動(dòng)指紋識(shí)別系統(tǒng)很多,但其結(jié)構(gòu)大同小異,一般包括指紋的采集與分類、指紋的細(xì)節(jié)匹配及指紋的壓縮與存儲(chǔ)。
1.指紋的采集與分類
這是自動(dòng)指紋識(shí)別系統(tǒng)( AFIS) 運(yùn)作的第一個(gè)環(huán)節(jié)。通過(guò)光學(xué)或CMOS 指紋采集儀將活體指紋的圖像錄入系統(tǒng),對(duì)圖像進(jìn)行分割處理,在保持有用指紋信息基本完整的前提下,剪去一些多余的圖像信息,產(chǎn)生一個(gè)相對(duì)較小的指紋圖,對(duì)該圖進(jìn)行增強(qiáng)處理減弱噪聲,增強(qiáng)脊和谷的對(duì)比度,提高圖像質(zhì)量。然后提取圖像的特征,生成方向數(shù)組,再通過(guò)指紋分析器,根據(jù)指紋的脊和谷流向,將其分為尖拱類、拱類、左環(huán)類、右環(huán)類及旋渦類等五種或更小的種類屬別。指紋分類的主要目的是方便大容量指紋庫(kù)的管理,減少搜索空間,加速指紋匹配過(guò)程。
2.指紋的采集
在指紋識(shí)別設(shè)備正常連接后,可以進(jìn)行指紋的登記錄入。在讀者指紋的采集過(guò)程中,讀者的指紋需要錄入兩次,第一次采集的指紋和第二次采集的指紋進(jìn)行比對(duì),如果成功系統(tǒng)將正常保存,并添加到指紋識(shí)別系統(tǒng)。
如果采集的指紋不合格,系統(tǒng)將給出聲音提示。
如果識(shí)別不合格,保存功能不能使用,需要重新采集。以對(duì)所采集的讀者指紋信息在保存到數(shù)據(jù)庫(kù)前進(jìn)行雙重質(zhì)量控制。要判斷采集指紋的質(zhì)量,將第二次采集的指紋信息和第一次采集的指紋模板進(jìn)行1:1 的單一比對(duì),以保證指紋的采集質(zhì)量,避免違法、不合格指紋信息存入數(shù)據(jù)庫(kù)。
3.指紋的細(xì)節(jié)匹配
這是自動(dòng)指紋識(shí)別系統(tǒng)核心。在本系統(tǒng)中采用的是Biokey 算法,此算法是一種快速、準(zhǔn)確的1:1和1:N 指紋識(shí)別算法,在使用Biokey進(jìn)行指紋識(shí)別時(shí)2000~6000枚指紋),不需要對(duì)指紋通過(guò)姓名、PIN等預(yù)先分類就可以在1~5S以下測(cè)試都在Pentium III900MHZ+128MB 內(nèi)存環(huán)境下進(jìn)行)內(nèi)輕松完成。
4. 指紋的壓縮和存儲(chǔ)
為了節(jié)省存儲(chǔ)空間,必須對(duì)指紋圖像進(jìn)行壓縮。目前指紋圖像數(shù)據(jù)壓縮算法較常見(jiàn)的是JPEG、WSQ及EZW等,本系統(tǒng)采用Biokey-WSQ基于自適應(yīng)的標(biāo)量量化和小波分解的圖像壓縮算法,該算法用于指紋圖像壓縮時(shí),可以盡量保持指紋細(xì)節(jié)特征點(diǎn)信息,解壓縮后對(duì)提取指紋細(xì)節(jié)特征精度的影響較小。WSQ算法在進(jìn)行大壓縮比率的指紋圖像壓縮時(shí),還原解壓后的指紋圖像細(xì)節(jié)特征點(diǎn)的定位和有關(guān)信息保存的較好,對(duì)隨后將要進(jìn)行的指紋識(shí)別影響較小。WSQ 壓縮比為1:20或1:15,即一個(gè)指紋圖像可以壓縮到6~10K,這個(gè)壓縮比例采用這種算法是非常合適的。這樣既節(jié)省了存儲(chǔ)空間,而且在解壓后又不影響模板特征點(diǎn)的提取。將其用于指紋圖像壓縮,并考慮到指紋圖像識(shí)別的需要,從盡量保持關(guān)鍵點(diǎn)信息的角度改進(jìn)了該算法。
智能小區(qū)指紋管理平臺(tái)分析
經(jīng)過(guò)深入分析和和討論,智能小區(qū)指紋通身份管理采用指紋管理平臺(tái)。系統(tǒng)用例圖如圖1 所示。
圖1 系統(tǒng)用例圖
根據(jù)系統(tǒng)用例圖,設(shè)計(jì)了智能小區(qū)指紋通指紋管理平臺(tái)的功能結(jié)構(gòu)如圖2 所示。
圖2 功能結(jié)構(gòu)圖
本系統(tǒng)劃分為三大模塊:即系統(tǒng)操作模塊、系統(tǒng)管理模塊和數(shù)據(jù)管理模塊。在系統(tǒng)操作模塊中設(shè)計(jì)了指紋儀初始化模塊,使計(jì)算機(jī)識(shí)別到指紋儀,正常工作時(shí)進(jìn)行指紋錄入、指紋編輯、指紋識(shí)別和關(guān)閉設(shè)備等操作;在系統(tǒng)管理模塊中設(shè)計(jì)了用戶管理和窗口隱藏的功能;在數(shù)據(jù)管理模塊中設(shè)計(jì)了使用者指紋庫(kù)的備份和恢復(fù)功能;并設(shè)計(jì)了在線幫助功能。
智能小區(qū)指紋通系統(tǒng)總體設(shè)計(jì)
智能小區(qū)指紋通系統(tǒng)的總體設(shè)計(jì),是在堅(jiān)持先進(jìn)性、實(shí)用性、穩(wěn)定性、安全性、經(jīng)濟(jì)性及擴(kuò)展性的基礎(chǔ)上,直接借助小區(qū)局域網(wǎng)絡(luò)傳輸數(shù)據(jù),實(shí)現(xiàn)各類商務(wù)收費(fèi)和各種身份識(shí)別的應(yīng)用。
實(shí)現(xiàn)小區(qū)內(nèi)各類身份識(shí)別,采用指紋儀識(shí)別身份,所有的證件都取消;實(shí)現(xiàn)身份識(shí)別的數(shù)據(jù)共享;實(shí)現(xiàn)小區(qū)車庫(kù)的管理系統(tǒng),圖書閱覽室圖書期刊借閱,小區(qū)餐飲、超市購(gòu)物及公共浴池的控制管理;三表抄送計(jì)量;小區(qū)醫(yī)院掛號(hào)收費(fèi)管理、門禁系統(tǒng)等。
本系統(tǒng)設(shè)計(jì)對(duì)各種應(yīng)用系統(tǒng)或新增系統(tǒng)做接口規(guī)范處理、統(tǒng)一標(biāo)準(zhǔn),而后用智能小區(qū)指紋通系統(tǒng)的指紋管理平臺(tái)軟件編寫統(tǒng)一接口。根據(jù)這一思想設(shè)計(jì)了智能小區(qū)指紋通系統(tǒng)兩個(gè)應(yīng)用平臺(tái)即指紋管理平臺(tái)、應(yīng)用平臺(tái),其功能如圖3所示。
圖3 功能結(jié)構(gòu)圖
1.指紋管理系統(tǒng)平臺(tái)設(shè)計(jì)
采用Delphi7.0實(shí)現(xiàn)了各子系統(tǒng)并實(shí)現(xiàn)了對(duì)整個(gè)系統(tǒng)的集成。SQL Server2003為數(shù)據(jù)庫(kù)支撐。
系統(tǒng)采用C/S模式。可以支持多用戶同時(shí)操作,與其他的應(yīng)用管理系統(tǒng)做到無(wú)縫連接。
基礎(chǔ)信息指紋數(shù)據(jù)庫(kù)的建立1) 首先,對(duì)小區(qū)居民進(jìn)行指紋信息采集,按各種組織機(jī)構(gòu)建立基本的、規(guī)范的、統(tǒng)一的及標(biāo)準(zhǔn)的指紋基礎(chǔ)信息數(shù)據(jù)庫(kù),作為智能小區(qū)指紋通系統(tǒng)身份識(shí)別信息,進(jìn)入數(shù)字化智能小區(qū)指紋通應(yīng)用平臺(tái)。
2)采用了DLL 技術(shù),將數(shù)據(jù)庫(kù)連接內(nèi)容進(jìn)行了合理有效的封裝。系統(tǒng)如果是初次運(yùn)行,會(huì)調(diào)用數(shù)據(jù)庫(kù)的自動(dòng)連接向?qū)В梢砸徊揭徊降刂笇?dǎo)操作人員進(jìn)行正確的數(shù)據(jù)庫(kù)設(shè)定。數(shù)據(jù)庫(kù)創(chuàng)建,是在系統(tǒng)運(yùn)行之前在服務(wù)器端創(chuàng)建支撐系統(tǒng)運(yùn)行的初始化數(shù)據(jù)庫(kù),程序運(yùn)行需要的各類信息都將在創(chuàng)建數(shù)據(jù)庫(kù)時(shí)自動(dòng)完成。
3)指紋信息的采集、識(shí)別過(guò)程實(shí)現(xiàn)語(yǔ)音提示,當(dāng)用戶的指紋被采集之后如果質(zhì)量不合格,系統(tǒng)將提示登記失?。?語(yǔ)音),并在窗體的狀態(tài)欄顯示登記信息。如果登記成功,系統(tǒng)則提示登記成功( 語(yǔ)音),并自動(dòng)轉(zhuǎn)入指紋的識(shí)別狀態(tài),同時(shí)在狀態(tài)欄中給出提示信息。這種操作方式,可以方便有效地提示操作人員和用戶的行為。指紋的采集是將用戶的指紋信息采集到數(shù)據(jù)庫(kù)中以便日后進(jìn)行識(shí)別、編輯等維護(hù)。
2. 應(yīng)用平臺(tái)設(shè)計(jì)
智能小區(qū)指紋通系統(tǒng)應(yīng)用平臺(tái),采用智能小區(qū)指紋通系統(tǒng)實(shí)現(xiàn)包括小區(qū)車庫(kù)的管理系統(tǒng),圖書閱覽室圖書期刊借閱,小區(qū)餐飲、超市購(gòu)物及公共浴池的控制管理;三表抄送計(jì)量;小區(qū)醫(yī)院掛號(hào)收費(fèi)管理、門禁系統(tǒng)等連接。
通過(guò)小區(qū)指紋通系統(tǒng)應(yīng)用平臺(tái)進(jìn)行門禁管理,采用網(wǎng)絡(luò)指紋門禁控制系統(tǒng),由多個(gè)門禁控制子系統(tǒng)和安裝在物業(yè)管理中心的網(wǎng)絡(luò)交換機(jī)和一個(gè)管理監(jiān)控計(jì)算機(jī)通過(guò)局域網(wǎng)連接組成,每個(gè)門禁控制子系統(tǒng)由一臺(tái)門禁控制器和若干臺(tái)指紋識(shí)別終端和若干臺(tái)指紋鎖控器構(gòu)成,分別安裝在小區(qū)出入口及樓道出入口及住戶。門控制器對(duì)用戶的指紋進(jìn)行比對(duì)分析,并負(fù)責(zé)將用戶信息等資料上傳至管理監(jiān)控計(jì)算機(jī)。用戶的指紋核查通過(guò)后,門禁控制器命令指紋鎖控器控制電鎖開(kāi)門。
通過(guò)小區(qū)指紋通系統(tǒng)應(yīng)用平臺(tái)進(jìn)行小區(qū)停車場(chǎng)管理,在出入口采用嵌入式道閘,由電子道閘和計(jì)算機(jī)道閘控制軟件兩部分組成。電子道閘包括信息提示顯示屏、道閘本體、閘桿控制器和嵌入式指紋按鈕模塊(指紋采集器),出、入庫(kù)時(shí),司機(jī)只需遙下車窗,用手指按下設(shè)置在旁邊的指紋閘桿控制器上的指紋按鈕,司機(jī)的指紋核查通過(guò)后,閘桿控制器就會(huì)控制閘桿抬起,并進(jìn)行相關(guān)記錄。
在該智能小區(qū)指紋通管理平臺(tái)的基礎(chǔ)上,通過(guò)系統(tǒng)預(yù)留的擴(kuò)展接口和智能控制可以實(shí)現(xiàn)與小區(qū)現(xiàn)在已運(yùn)行的各類應(yīng)用系統(tǒng)進(jìn)行互通,形成全小區(qū)范圍的數(shù)字化管理空間和共享環(huán)境。
結(jié)束語(yǔ)
在科學(xué)技術(shù)向前發(fā)展的今天,數(shù)字化智能小區(qū)的建設(shè)給我國(guó)住宅小區(qū)的智能化管理帶來(lái)了嶄新積極的變化,使得小區(qū)智能化管理又邁上了一個(gè)新的臺(tái)階。通過(guò)設(shè)計(jì)智能小區(qū)指紋通管理系統(tǒng),首先在小區(qū)圖書閱覽管理及停車場(chǎng)管理等系統(tǒng)中得到應(yīng)用,這一成果的取得證明智能小區(qū)指紋通系統(tǒng)的建設(shè)有著廣泛的應(yīng)用前景。