鎽� 瑕侊細鎻愬嚭浜嗗熀浜庢鍣ㄨ瑕虹殑钁¤悇绯栨娓│椹楁柟妗堬紝浠嬬垂浜嗚憽钀勭硸钘ユ恫瑕栬妾㈡脯鍘熺悊鍜岃│椹楄缃‖浠剁祼(ji茅)妲�(g貌u)鍜屽伐浣滃師鐞�锛岃┏绱伴棥杩颁簡鍦栧儚閲囬泦鍗″拰鏀濆儚姗熺殑閰嶅悎鎳�(y墨ng)鐢ㄥ拰杌熶欢宸ヤ綔娴佺▼銆�
闂�(gu膩n)閸佃锛�姗熷櫒瑕栬 钁¤悇绯栨娓� 鍦栧儚閲囬泦鍗� CCD鏀濆儚姗�
Design of a Glucose Inspection System based on Machine Vision
Abstract: A project of glucose inspection based on machine vision is presented, the principle of vision inspection and the hardware structure is introduced, the cooperation of image grabber and CCD cameras and software process are expounded in detail.
Key word: Machine vision; glucose inspection; image grabber; CCD camera
1 寮曡█
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2 钁¤悇绯栨娓祦绋�
銆€銆€钘ョ敤钁¤悇绯栨敞灏勬恫鐨勭敓鐢�(ch菐n)娴佺▼濡傚湒1鎵€绀�锛岄鍏堥€氶亷楂樻績搴︾殑钁¤悇绯栧姞閬╃暥(d膩ng)姣斾緥鐨勮捀椁炬按寰楀埌钁¤悇绯栨憾娑诧紝鐒跺悗钁¤悇绯栨憾娑茬亴瑁濆埌缍�(j墨ng)閬庨珮婧拰绱绶氭秷姣掔殑瀹瑰櫒閲岄潰閫茶灏佽銆傚皝瑁濆悗鐨勭敘(ch菐n)鍝佸湪閫茶璩�(zh矛)閲忔娓�锛屾娓殑灏嶈薄涓昏鏄細
銆€?銆�?锛� 钘ユ恫閲岄潰鐨勬嚫娴墿锛屽涓嶅鎬ч洔璩�(zh矛)锛岀幓鐠冪簴缍瓑;
銆€?銆�?锛� 鐡惰韩鐨勭己闄�;
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銆€銆€浜哄伐妾㈡脯瀛樺湪钁楀緢澶х殑寮婄锛�
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3 妾㈡脯瑭﹂绯荤当(t菕ng)鎼缓
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銆€銆€3.1 骞宠嚭鐨勭‖浠剁祼(ji茅)妲�(g貌u)鍦�
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銆€?銆�?锛� 鎶婃墜锛氭寜鐓т笂鍦栨墍绀虹殑鏂瑰悜杞�(zhu菐n)鍕曟妸鎵嬪彲浠ュ付鍕曠摱鍗′笂涓嬮亱鍕�锛屼互渚挎斁缃棩鐡�;
銆€?銆�?锛� 闆绘锛氭櫘閫氱殑浜ゆ祦闆绘锛屽付鍕曡綁(zhu菐n)搴婄殑涓昏桓楂橀€熻綁(zhu菐n)鍕�;
銆€銆€锛�3锛� 涓婄鐡跺崱锛氬皣钁¤悇绯栫摱鍗″湪搴曞骇涓�锛岀暥(d膩ng)杞�(zhu菐n)鍕曟妸鎵嬫檪鐡跺崱浣滀笂涓嬮亱鍕曟柟渚挎斁缃棩鐡�;
銆€?銆�?锛� 鍏夋簮鐩掞細鍏夋簮鐩掗噷鏀剧疆涓€鐠�(hu谩n)褰㈢传澶栧厜婧愶紝閫忛亷鐡跺簳鍚戜笂鐓у皠钘ラ珨;
銆€?銆�?锛� CCD鏀濆儚姗燂細璨犺铂(z茅)鎷嶆敐閬嬪嫊鐨勮棩楂�;
銆€?銆�?锛� 宸ユ帶姗燂細璨犺铂(z茅)铏曠悊CCD鏀濆儚姗熸媿鏀濆埌鐨勫湒鍍忓簭鍒�;
銆€銆€3.2宸ヤ綔閬庣▼
銆€?銆�?锛� 杞�(zhu菐n)鍕曟妸鎵嬪皣涓婄鐡跺崱鍚戜笂鎻愯捣锛屾斁缃緟妾㈡脯鐨勮憽钀勭硸钘ョ摱浜庡簳搴т笂;
銆€?銆�?锛� 鏀句笅鎶婃墜锛屽皣鍏跺崱绶�锛岄枊鍟熻綁(zhu菐n)搴�锛岃綁(zhu菐n)搴婄殑涓昏桓甯跺嫊鐡跺崱楂橀€熻綁(zhu菐n)鍕曪紝鐢变簬鎽╂摝鍔涚殑浣滅敤鐡跺崱甯跺嫊钘ョ摱涔熷仛楂橀€熺殑杞�(zhu菐n)鍕�;
銆€?銆�?锛� 鍋滄杞�(zhu菐n)搴�锛岀摱鍗″仠姝㈣綁(zhu菐n)鍕�锛岃憽钀勭硸钘ョ摱鍋滄杞�(zhu菐n)鍕�锛屼絾钘ユ恫鍦ㄦ叄鎬х殑浣滅敤涓嬬辜绾�(x霉)杞�(zhu菐n)鍕曚箣鍚庣珐鎱㈠仠姝�;
銆€?銆�?锛� 鍦ㄦ閬庣▼涓€g簩(x霉)鎷嶆敐7骞呭湒鍍忥紝鍦ㄩ€欎竴搴忓垪鐨勯亱鍕曞湒鍍忎腑锛屽皪閬嬪嫊鐩(bi膩o)閫茶璀樺垾;
銆€?銆�?锛� 鐣�(d膩ng)璀樺垾鍒扮殑鐩(bi膩o)瓒呴亷瑕�(gu墨)瀹氱殑瀹硅ū鎸囨(bi膩o)鏅傦紝鍒ゆ柗姝ょ摱钘ユ恫鐐轰笉鍚堟牸
銆€銆€3.3 瑕栬鎴愬儚绯荤当(t菕ng)閰嶇疆
銆€銆€鍦栧儚閲囬泦閮ㄥ垎灏囧畬鎴愭祦姘寸窔涓婄殑閬嬪嫊鍦栧儚鐛插彇锛屽湒鍍忛噰闆嗛儴鍒嗛噰闆嗗湒鍍忚唱(zh矛)閲忕殑濂藉灏囩洿鎺ュ奖闊挎暣鍊嬫娓晥鐜嘯3]銆傚湒鍍忛噰闆嗛儴鍒嗕富瑕佺敱CCD鏀濆儚姗熷畬鎴愩€侰CD鏀濆儚姗熸敐鍙栧湒鍍忎俊铏�锛岀敱鍦栧儚閲囬泦鍗″皣鍦栧儚淇¤櫉閲囬泦閫蹭締銆傛湰濂楀椹楄缃伕鐢ㄥ叐鍊嬫柟浣嶇殑鏀濆儚姗熷皪寰呮娓墿楂旈€茶妾㈡脯锛屼竴鍊嬩刊鎷嶄綅涓€鍊嬪伌(c猫)鎷嶄綅锛屽皪鏈変簺寰呮娓墿楂斿彲浠ラ€茶澶氭柟浣嶇殑妾㈡脯銆傛敐鍍忔閲囩敤鐨勬槸Pulnix鍏徃鐨凾M6703[4]锛岄噰闆嗗崱閬哥敤鐨勬槸Matrox鍏徃鐨凜ornora2[5]銆�
銆€銆€Matrox Corona 鈪� 鏄疢atrox Graphics Inc., 鐢熺敘(ch菐n)鐨勫湒鍍忔帶鍒跺櫒锛屽彲閲囬泦闅旀巸鎻�/閫愯鎺冩弿鐨勫垎閲廟GB淇¤櫉鍜屽柈/闆欒矾榛戠櫧妯℃摤瑕栭牷淇¤櫉; 3璺�10bit A/D杞�(zhu菐n)鎻涘櫒;24-bit RS-422/LVDS 鏁�(sh霉)瀛楁帴鍙�;妯℃摤鎯呮硜涓嬮噰闆嗙巼閬斿埌30MHz锛孯S-422鏁�(sh霉)瀛楁ā寮忎笅閬斿埌25 MHz锛孡VDS鏁�(sh霉)瀛楁ā寮忎笅閬斿埌40 MHz ;閫f帴2鍊婻GB鎴�6鍊嬫ā鎿粦鐧借闋讳俊铏�; 32-bit/33MHz PCI绺界窔涓绘ā寮� ;鎿村睍鏉夸笂瀵︽檪閲囬泦瀛樺劜 ;鍙悓鏅傛敮鎸佹ā鎿琕GA鍜岀崹绔嬬殑鏁�(sh霉)瀛梀GA鎴朤V杓稿嚭[4]銆�
銆€銆€Pulnix鍏徃鐨凾M6703鏄�1/2瀵�锛�648锛�484锛屽揩闁€閫熷害鐐�1/60锝�1/32000 绉掞紝鍚屾檪甯舵湁鐣版閲嶇疆鍔熻兘銆傜暥(d膩ng)VINIT鑴堟矕鐧�(f膩)鐢熶綔鐢ㄦ檪锛岄噸缃敐鍍忔鐨勬巸鎻忔竻闄CD銆傜暥(d膩ng)鍦ㄧ暟姝ユā寮忎笅鍜屽閮╒INIT楂橀浕骞充俊铏熺殑浣滅敤涓�锛岀暟姝ュ姛鑳藉皣鑷嫊琚伕鎿�锛屼俊铏熻畝鍑烘渻琚姝㈢洿鍒版湁瑙哥櫦(f膩)銆備笅闈㈡槸鏀濆儚姗熺暟姝ラ噸缃殑涓夌ó妯″紡锛�
銆€銆€1锛夋帶鍒惰剤娌栧搴︾殑澶栭儴VINIT锛氬揩闁€閫熷害鏈夎剤娌栧搴︿締鎺у埗;
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4 妾㈡脯瑭﹂娴佺▼
銆€銆€閫氶亷鍓嶉潰鐨勫垎鏋愬彲鐭�锛屽湪钁¤悇绯栨嚫娴墿妾㈡脯鐨勮│椹椾腑闇€瑕佷竴鍊嬮珮閫熺殑鏃嬭綁(zhu菐n)骞宠嚭閰嶅悎浣跨敤銆傛暣濂楄│椹楃郴绲�(t菕ng)鐨勬搷浣滄祦绋嬪鍦�3鎵€绀猴細
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5 鏈枃鍓�(chu脿ng)鏂伴粸
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銆€銆€[1] Rafael C. Gonzalez , Richard E. Woods .Digital Image Processing 锛坰econd Edition锛�.Pubulishing House of Electronics Industry , Beijing. 2002.
銆€銆€[2] 閯笘鑼�, 姣涚綍骞�, 鑳℃尝绛�.姗熷櫒瑕栬璀樺垾妫夎姳鐥呭涓殑褰㈡厠(t脿i)鐗瑰緛鎻愬彇[J].寰▓绠楁淇℃伅锛� 2007锛�04-1锛歅290-292.
銆€銆€[3] 鐜嬪▉, 鐜嬭€€鍗�, 鏉庢ü婵ょ瓑. 鍩轰簬姗熷櫒瑕栬鐨勫湪鍏堟娓椹楀钩鑷虹爺鍒�. 涓湅鍎€鍣ㄥ剙琛�,2006,锛�4锛�.62-64.
銆€銆€[4] Matrox Corona2 installation and hardware Reference[z]. Matrox Electronic Systems Ltd. April 23, 2001.
銆€銆€[5] PULNIX TMC6703 Manual[z].PULNIX America Inc. 2004.