å åŠæåèªèïŒOCRïŒã®äžçãæ¢æ±ããã®å¿çšãæè¡ãåç£æ¥ãžã®åœ±é¿ãããã¹ãæœåºæ¹æ³ãç²ŸåºŠãæªæ¥ã®ãã¬ã³ãã解説ããŸãã
å åŠæåèªèïŒããã¹ãæœåºã®ããã®å æ¬çã¬ã€ã
仿¥ã®ããŒã¿é§ååã®äžçã§ã¯ãç»åãææžããå¹ççã«ããã¹ããæœåºããèœåããããŸã§ä»¥äžã«éèŠã«ãªã£ãŠããŸããå åŠæåèªèïŒOCRïŒæè¡ã¯ãã¹ãã£ã³ããææžãPDFãç»åãç·šéã»æ€çŽ¢å¯èœãªããã¹ãã«å€æããããšã§ããããå¯èœã«ããŸãããã®å æ¬çãªã¬ã€ãã§ã¯ãOCRã®åçãå¿çšãæè¡ããããŠæªæ¥ã®ãã¬ã³ããæ¢ããäŒæ¥ãå人ã«ãšã£ãŠäŸ¡å€ããæŽå¯ãæäŸããŸãã
å åŠæåèªèïŒOCRïŒãšã¯äœãïŒ
å åŠæåèªèïŒOCRïŒã¯ãã³ã³ãã¥ãŒã¿ãŒãç»åãææžå ã®ããã¹ãããèŠããããšãå¯èœã«ããæè¡ã§ããããã¯ãææžããæŽ»åããŸãã¯å°å·ãããããã¹ãã®ç»åãæ©æ¢°ãèªã¿åãå¯èœãªããã¹ãããŒã¿ã«å€æããããã»ã¹ã§ããããã«ããããŠãŒã¶ãŒã¯ããã¹ããããžã¿ã«ã§æ€çŽ¢ãç·šéãåŠçããããšãã§ããŸããæ¬è³ªçã«ãOCRã¯ç©ççãªäžçãšããžã¿ã«ãªäžçãšã®éã®ã®ã£ãããåãããã®ã§ãã
OCRã®æŽå²
OCRã®æŠå¿µã¯20äžçŽåé ã«ãŸã§é¡ããŸããåæã®è©Šã¿ã§ã¯ãæåãèªèããããã«èšèšãããæ©æ¢°è£ çœ®ãé¢ãã£ãŠããŸããã20äžçŽåã°ã®ã³ã³ãã¥ãŒã¿ãŒæè¡ã®çºå±ã¯ãOCRã®èœåãå€§å¹ ã«åäžãããŸããã仿¥ã§ã¯ã人工ç¥èœã𿩿¢°åŠç¿ã®åºçŸã«ãããOCRã¯ãããŸã§ä»¥äžã«æ£ç¢ºã§ãå¹ççã§ãå€çšéã«ãªã£ãŠããŸãã
OCRã®ä»çµã¿ïŒã¹ããããã€ã¹ãããã®ããã»ã¹
OCRã®ããã»ã¹ã¯ãéåžžãããã€ãã®äž»èŠãªã¹ãããã§æ§æãããŠããŸãã
- ç»åååŸïŒããã»ã¹ã¯ãåŠçå¯Ÿè±¡ã®ææžãããã¹ãã®ç»åããã£ããã£ããããšããå§ãŸããŸããããã¯ãã¹ãã£ããŒãã«ã¡ã©ããŸãã¯ãã®ä»ã®ç»åååŸããã€ã¹ã䜿çšããŠè¡ãããšãã§ããŸãã
- ååŠçïŒãã£ããã£ãããç»åã¯ãå質ãåäžãããæåèªèã®æºåãããããã«ååŠçãããŸããããã«ã¯ããã€ãºãªãã¯ã·ã§ã³ãã³ã³ãã©ã¹ã調æŽãåŸãè£æ£ïŒç»åã®åŸãããŸã£ããã«ããïŒãäºå€åïŒç»åãçœé»ã«å€æããïŒãªã©ã®ã¹ããããå«ãŸããå ŽåããããŸãã
- ã»ã°ã¡ã³ããŒã·ã§ã³ïŒååŠçãããç»åã¯ãåã ã®æåãåèªã«åå²ãããŸãããã®ã¹ãããã§ã¯ããããªãåæã®ããã«åæåãèå¥ããåé¢ããŸãã
- ç¹åŸŽæœåºïŒåæåã«ã€ããŠãé¢é£ããç¹åŸŽãæœåºãããŸãããããã®ç¹åŸŽã«ã¯ãããæåãå¥ã®æåãšåºå¥ããããã®ç·ãæ²ç·ãã«ãŒããªã©ãå«ãŸããŸãã
- æåèªèïŒæœåºãããç¹åŸŽã¯ããã¿ãŒã³ãããã³ã°ãç¹åŸŽåæããŸãã¯æ©æ¢°åŠç¿ã¢ãã«ãªã©ã®ããŸããŸãªã¢ã«ãŽãªãºã ã䜿çšããŠãæ¢ç¥ã®æåã®ããŒã¿ããŒã¹ãšæ¯èŒãããŸããã·ã¹ãã ã¯ãæœåºãããç¹åŸŽã«æãäžèŽããæåãèå¥ããŸãã
- åŸåŠçïŒæåèªèã®åŸãæœåºãããããã¹ãã®ç²ŸåºŠãšå¯èªæ§ãåäžãããããã«åŸåŠçæè¡ãé©çšãããŸããããã«ã¯ãã¹ãã«ãã§ãã¯ãææ³ä¿®æ£ãæèåæãªã©ãå«ãŸããææ§ãã解決ãããšã©ãŒãä¿®æ£ããŸãã
OCRæè¡ã®çš®é¡
ããã€ãã®OCRæè¡ãååšããããããã«é·æãšçæããããŸããæãäžè¬çãªã¿ã€ãã«ã¯ä»¥äžã®ãããªãã®ããããŸãã
- ãã³ãã¬ãŒããããã³ã°ïŒããã¯æãåæã®OCRæè¡ã®äžã€ã§ãåæåãäºåã«å®çŸ©ããããã³ãã¬ãŒããšæ¯èŒããŸããæ¯èŒçåçŽã§ããããã©ã³ãããµã€ãºããŸãã¯ç»è³ªã®å€åã«ã¯ããŸã广çã§ã¯ãããŸããã
- ç¹åŸŽæœåºïŒãã®æ¹æ³ã¯ãåæåã®ç·ãæ²ç·ã亀差ãªã©ã®äž»èŠãªç¹åŸŽãèå¥ãããããã®ç¹åŸŽã䜿çšããŠæåãåé¡ããŸãããã³ãã¬ãŒããããã³ã°ãããå ç¢ã§ãããè€éãªãã©ã³ãããã€ãºã®å€ãç»åã§ã¯äŸç¶ãšããŠèŠåŽããããšããããŸãã
- å åŠãã©ã³ãèªèïŒãã®æè¡ã¯ããã©ã³ãã®çš®é¡ã«åºã¥ããŠæåãèªèããããã«ç¹å¥ã«èšèšãããŠããŸããããŸããŸãªãã©ã³ãã¹ã¿ã€ã«ã®ç¥èãå©çšããŠç²ŸåºŠãåäžãããŸãã
- ã€ã³ããªãžã§ã³ãæåèªèïŒICRïŒïŒICRã¯ææžãæåãèªèããããã«äœ¿çšãããŸããé«åºŠãªã¢ã«ãŽãªãºã ãšæ©æ¢°åŠç¿æè¡ãå©çšããŠãææžãã®å€åãäžæŽåãè§£èªããŸãã
- ã€ã³ããªãžã§ã³ãåèªèªèïŒIWRïŒïŒIWRã¯åã ã®æåã§ã¯ãªããåèªå šäœãèªèããããšã«çŠç¹ãåœãŠãŠããŸãããã®ã¢ãããŒãã¯æèæ å ±ãæŽ»çšããŠç²ŸåºŠãåäžãããããšãã§ããç¹ã«åã ã®æåãäžé®®æãªå Žåã«æå¹ã§ãã
- æ©æ¢°åŠç¿ããŒã¹ã®OCRïŒçŸä»£ã®OCRã·ã¹ãã ã¯ããŸããŸãæ©æ¢°åŠç¿ãç¹ã«æ·±å±€åŠç¿æè¡ã«äŸåããŠããŸãããããã®ã¢ãã«ã¯ãå€§èŠæš¡ãªç»åãšããã¹ãã®ããŒã¿ã»ããã§ãã¬ãŒãã³ã°ããããã¿ãŒã³ãåŠç¿ããŠèªè粟床ãå€§å¹ ã«åäžãããŸãã
ç£æ¥åéã«ãããOCRã®å¿çš
OCRã¯ããŸããŸãªç£æ¥ã§å¹ åºãå¿çšããããããã»ã¹ã驿°ããå¹çãé«ããŠããŸãã以äžã«ããã€ãã®é¡èãªäŸãæããŸãã
- ãã«ã¹ã±ã¢ïŒOCRã¯ãå»çèšé²ãä¿éºè«æ±ãæ£è ãã©ãŒã ããããŒã¿ãæœåºããç®¡çæ¥åãå¹çåããããŒã¿ã®æ£ç¢ºæ§ãåäžãããããã«äœ¿çšãããŸãã äŸãã°ãã·ã³ã¬ããŒã«ã®ç é¢ã§ã¯ãæ£è èšé²ãããžã¿ã«åããããã«OCRã䜿çšããŠãããä¿ç®¡ã¹ããŒã¹ãåæžããå»çå°éå®¶ã«ããã¢ã¯ã»ã¹ãæ¹åããŠããŸãã
- éèïŒéèæ©é¢ã¯ãå°åæãè«æ±æžãéè¡ååŒæçŽ°æžã®åŠçã«OCRã䜿çšããããŒã¿å ¥åãèªååããæäœæ¥ã«ãããšã©ãŒãåæžããŠããŸãããã€ãã®éè¡ã§ã¯ãè«æ±æžã®èªååŠçã«OCRãåºãå©çšãããŠããŸãã
- æ³åŸïŒOCRã¯ãæ³åŸå°éå®¶ã蚎èšãã¡ã€ã«ãå¥çŽæžããã®ä»ã®æ³çææžãããžã¿ã«åããŠæŽçããã®ãå©ããããããç°¡åã«æ€çŽ¢ã»ã¢ã¯ã»ã¹ã§ããããã«ããŸããè±åœã®æ³åŸäºåæã§ã¯ã倧éã®ææžã管çã»æ€çŽ¢ããããã«OCRã䜿çšããŠããŸãã
- æ¿åºïŒæ¿åºæ©é¢ã¯ãç³è«æžãçŽçšãã©ãŒã ããã®ä»ã®å ¬çææžã®åŠçã«OCRã䜿çšããå¹çãåäžãããåŠçæéãççž®ããŠããŸããç±³åœéµæ¿å ¬ç€Ÿã¯ãäœæãèªåçã«èªã¿åãããšã§éµäŸ¿ç©ãä»åããããã«OCRã䜿çšããŠããŸãã
- æè²ïŒOCRã¯ãæç§æžããã®ä»ã®ææãããžã¿ã«åœ¢åŒã«å€æããã®ãæ¯æŽããé害ãæã€åŠçãã¢ã¯ã»ã¹ãããããããªã³ã©ã€ã³åŠç¿ãä¿é²ããŸããäžçäžã®å€ãã®å€§åŠããèŠèŠé害ãæã€åŠçåãã«ææã®ã¢ã¯ã»ã·ãã«ãªããŒãžã§ã³ãäœæããããã«OCRãå©çšããŠããŸãã
- è£œé æ¥ïŒOCRã¯ã補åãããã±ãŒãžã®ã©ãã«ãã·ãªã¢ã«çªå·ããã®ä»ã®è奿 å ±ãèªã¿åãããã«äœ¿çšãããåšåº«ç®¡çãšå質管çããµããŒãããŸããäžåœã®è£œé å·¥å Žã§ã¯ãéšåã®è¿œè·¡ãšè£œåã®ãã¬ãŒãµããªãã£ã確ä¿ããããã«OCRã䜿çšãããŠããŸãã
- ç©æµã»é茞ïŒOCRã¯ãé éã©ãã«ãè«æ±æžãé éæžé¡ã®èªã¿åãã«é©çšããã远跡ãèªååãããµãã©ã€ãã§ãŒã³ç®¡çã®å¹çãåäžãããŸãããšãŒãããã®ç©æµäŒç€Ÿã¯ãã«ãŒãèšç»ãšé éã¹ã±ãžã¥ãŒã«ã®æé©åã®ããã«OCRãæŽ»çšããŠããŸãã
- 峿žé€šã»ã¢ãŒã«ã€ãïŒOCRã«ããã峿žé€šãã¢ãŒã«ã€ãã¯æžç±ãåæ¬ãæŽå²çææžãããžã¿ã«åããå°æ¥ã®äžä»£ã®ããã«ä¿åããããåºãèŽè¡ã«ã¢ã¯ã»ã¹å¯èœã«ããããšãã§ããŸããç±³åœè°äŒå³æžé€šã¯ãOCRæè¡ã䜿çšããŠãã®ã³ã¬ã¯ã·ã§ã³ã®ããžã¿ã«åã«ç©æ¥µçã«åãçµãã§ããŸãã
- ããŒã¿å ¥åã®èªååïŒããŸããŸãªæ¥çã§ãOCRã¯ããŸããŸãªãœãŒã¹ããã®ããŒã¿å ¥åãèªååããæäœæ¥ãåæžãããšã©ãŒãæå°éã«æããããžãã¹ããã»ã¹ãå éããŸãã
OCRæè¡å°å ¥ã®ã¡ãªãã
OCRæè¡ãå°å ¥ããããšã¯ãããããèŠæš¡ã®çµç¹ã«æ°å€ãã®ã¡ãªããããããããŸãã
- å¹çã®åäžïŒããŒã¿å ¥åãšææžåŠçãèªååããæäœæ¥ãåæžããã¯ãŒã¯ãããŒãé«éåããŸãã
- 粟床ã®åäžïŒæåããŒã¿å ¥åã«äŒŽããšã©ãŒãæå°éã«æããããŒã¿ã®å®å šæ§ãä¿èšŒããŸãã
- ã³ã¹ãåæžïŒäººä»¶è²»ãçŽã®æ¶è²»ãä¿ç®¡è²»çšãåæžããŸãã
- ã¢ã¯ã»ã·ããªãã£ã®åäžïŒé害ãæã€å人ãå«ããããåºãèŽè¡ãææžãæ å ±ã«ã¢ã¯ã»ã¹ãããããªããŸãã
- ããŒã¿ç®¡çã®æ¹åïŒããŒã¿ã®ä¿åãæ€çŽ¢ãåæã容æã«ããŸãã
- ã»ãã¥ãªãã£ã®åäžïŒæ©å¯ææžãå®å šã«ããžã¿ã«åããçŽå€±ãçé£ã®ãªã¹ã¯ãäœæžããŸãã
- ã¹ã±ãŒã©ããªãã£ïŒå€åããããžãã¹ããŒãºãå¢å ããææžéã«å®¹æã«é©å¿ã§ããŸãã
- ç«¶äºäžã®åªäœæ§ïŒçµç¹ãããå¹ççãã€å¹æçã«éå¶ã§ããããã«ãªããç«¶äºäžã®åªäœæ§ãç²åŸããŸãã
OCRã®èª²é¡ãšéç
OCRã¯å€§ããªå©ç¹ãæäŸããäžæ¹ã§ãããã€ãã®éçããããŸãã
- 粟床ã®åé¡ïŒOCRã®ç²ŸåºŠã¯ãç»è³ªã®æªããè€éãªãã©ã³ããææžãã®ããªãšãŒã·ã§ã³ãæå·ããææžã«ãã£ãŠåœ±é¿ãåããå¯èœæ§ããããŸãã
- èšèªãµããŒãïŒäžéšã®OCRã·ã¹ãã ã¯ããã¹ãŠã®èšèªãæåã»ããããµããŒãããŠããªãå Žåããããç¹å®ã®å°åã§ã®é©çšæ§ãå¶éãããŸãã äŸãã°ãå€ãã·ã¹ãã ã¯ã¢ã©ãã¢èªãäžåœèªã®ãããªèšèªã«èŠåŽãããããããŸããã
- ã³ã¹ãïŒOCRã·ã¹ãã ã®å°å ¥ãšç¶æã«ã¯è²»çšããããããšããããç¹ã«é«ç²ŸåºŠã§åºç¯ãªèšèªãµããŒããåããé«åºŠãªãœãªã¥ãŒã·ã§ã³ã®å Žåã¯é«äŸ¡ã«ãªããŸãã
- è€éãïŒOCRãæ¢åã®ã¯ãŒã¯ãããŒãã·ã¹ãã ã«çµ±åããããšã¯è€éã§ãããæè¡çãªå°éç¥èãšæ éãªèšç»ãå¿ èŠã§ãã
- ææžãæåèªèïŒICRã¯æ¹åãããŠããŸãããç¹ã«ããŸããŸãªææžãã¹ã¿ã€ã«ã§ã®ææžãæåã®æ£ç¢ºãªèªèã¯äŸç¶ãšããŠèª²é¡ã§ãã
- ææžã¬ã€ã¢ãŠãïŒè€æ°ã®åã衚ãç»åãå«ãè€éãªææžã¬ã€ã¢ãŠãã¯ãOCRã·ã¹ãã ãæ£ç¢ºã«è§£éããã®ãé£ããå ŽåããããŸãã
- ã»ãã¥ãªãã£ãªã¹ã¯ïŒæ©å¯æ å ±ãé©åã«ä¿è·ãããŠããªãå Žåãææžã®ããžã¿ã«åã¯ã»ãã¥ãªãã£ãªã¹ã¯ãçããããå¯èœæ§ããããŸãã
é©åãªOCRãœãããŠã§ã¢ã®éžæ
æé©ãªçµæãåŸãããã«ã¯ãé©åãªOCRãœãããŠã§ã¢ãéžæããããšãéèŠã§ããããŸããŸãªOCRãœãªã¥ãŒã·ã§ã³ãè©äŸ¡ããéã«ã¯ã以äžã®èŠçŽ ãèæ ®ããŠãã ããã
- 粟床ïŒç¹ã«åŠçãå¿ èŠãªææžã®çš®é¡ã«å¯ŸããŠãé«ã粟床çãæã€ãœãããŠã§ã¢ãæ¢ããŠãã ããã
- èšèªãµããŒãïŒå¿ èŠãªèšèªãšæåã»ããããœãããŠã§ã¢ããµããŒãããŠããããšã確èªããŠãã ããã
- æ©èœïŒãããåŠçãç»åã®ååŠçããŸãŒãã«OCRïŒææžã®ç¹å®é åããããŒã¿ãæœåºããïŒãåºåãã©ãŒãããã®ãªãã·ã§ã³ãªã©ã®æ©èœãèæ ®ããŠãã ããã
- çµ±åïŒæ¢åã®ã·ã¹ãã ãã¯ãŒã¯ãããŒãšã·ãŒã ã¬ã¹ã«çµ±åã§ãããœãããŠã§ã¢ãéžæããŠãã ããã
- ã¹ã±ãŒã©ããªãã£ïŒå¢å€§ããææžåŠçã®ããŒãºã«å¯Ÿå¿ã§ãããœãªã¥ãŒã·ã§ã³ãéžæããŠãã ããã
- äŸ¡æ Œèšå®ïŒäŸ¡æ Œã¢ãã«ãæ¯èŒããäºç®ã«åã£ããœãªã¥ãŒã·ã§ã³ãéžæããŠãã ããã äžéšã®ãœãããŠã§ã¢ã¯ãµãã¹ã¯ãªãã·ã§ã³ã¢ãã«ãæäŸãããã®ä»ã¯äžåºŠããã®è³Œå ¥ãªãã·ã§ã³ãæäŸããŠããŸãã
- 䜿ããããïŒãŠãŒã¶ãŒãã¬ã³ããªãŒãªã€ã³ã¿ãŒãã§ãŒã¹ãšçŽæçãªæ©èœãåãããœãããŠã§ã¢ãéžãã§ãã ããã
- ã«ã¹ã¿ããŒãµããŒãïŒä¿¡é Œã§ããã«ã¹ã¿ããŒãµããŒããšãã¬ãŒãã³ã°ãªãœãŒã¹ãæäŸãããã³ããŒãæ¢ããŠãã ããã
- ã»ãã¥ãªãã£ïŒæ©å¯ããŒã¿ãä¿è·ããããã®é©åãªã»ãã¥ãªãã£æ©èœããœãããŠã§ã¢ãæäŸããŠããããšã確èªããŠãã ããã
人æ°ã®ããOCRãœãããŠã§ã¢ã®éžæè¢ã«ã¯ã以äžã®ãããªãã®ããããŸãã
- Adobe Acrobat Pro DC: å ç¢ãªOCRæ©èœãåããå æ¬çãªPDFãœãªã¥ãŒã·ã§ã³ã
- ABBYY FineReader PDF: ãã®ç²ŸåºŠãšé«åºŠãªæ©èœã§ç¥ãããå°çšã®OCRãœãããŠã§ã¢ã
- Tesseract OCR: åºã䜿çšãããé«åºŠã«ã«ã¹ã¿ãã€ãºå¯èœãªãªãŒãã³ãœãŒã¹ã®OCRãšã³ãžã³ã
- Google Cloud Vision API: é«ã粟床ãšã¹ã±ãŒã©ããªãã£ãæäŸããã¯ã©ãŠãããŒã¹ã®OCRãµãŒãã¹ã
- Microsoft Azure Computer Vision: 匷åãªæ©èœãšçµ±åèœåãåãããããäžã€ã®ã¯ã©ãŠãããŒã¹ã®OCRãµãŒãã¹ã
OCRæè¡ã®æªæ¥ã®ãã¬ã³ã
OCRæè¡ã¯ã人工ç¥èœã𿩿¢°åŠç¿ã®é²æ©ã«çœåŒãããçµ¶ããé²åããŠããŸããäž»èŠãªæªæ¥ã®ãã¬ã³ãã«ã¯ä»¥äžã®ãããªãã®ããããŸãã
- 粟床ã®åäžïŒæ©æ¢°åŠç¿ã¢ã«ãŽãªãºã ã¯ãè€éãªãã©ã³ããææžãæåãè³ªã®æªãç»åã§ãã£ãŠããOCRã®ç²ŸåºŠãåäžããç¶ããŸãã
- èšèªãµããŒãã®åŒ·åïŒOCRã·ã¹ãã ã¯ããå€ãã®èšèªãšæåã»ããããµããŒãããäžçäžã§ããå€çšéã§ã¢ã¯ã»ã¹ãããããªããŸãã
- AIããã³èªååãšã®çµ±åïŒOCRã¯ãèªç¶èšèªåŠçïŒNLPïŒããããã£ãã¯ã»ããã»ã¹ã»ãªãŒãã¡ãŒã·ã§ã³ïŒRPAïŒãªã©ã®ä»ã®AIæè¡ãšãŸããŸãçµ±åããããšã³ãããŒãšã³ãã®èªååãœãªã¥ãŒã·ã§ã³ãçã¿åºããŸãã
- ã¯ã©ãŠãããŒã¹ã®OCRïŒã¯ã©ãŠãããŒã¹ã®OCRãµãŒãã¹ãããæ®åããã¹ã±ãŒã©ããªãã£ãã¢ã¯ã»ã·ããªãã£ãã³ã¹ãå¹çãæäŸããŸãã
- ã¢ãã€ã«OCRïŒã¢ãã€ã«OCRã¢ããªã¯æ¹åãç¶ãããŠãŒã¶ãŒãã¹ããŒããã©ã³ãã¿ãã¬ããã䜿ã£ãŠç»åããç°¡åã«ããã¹ããæœåºã§ããããã«ãªããŸãã
- ãªã¢ã«ã¿ã€ã OCRïŒãªã¢ã«ã¿ã€ã OCRã¯ãæ¡åŒµçŸå®ãèªåé転è»ãªã©ã®ã¢ããªã±ãŒã·ã§ã³ã§äœ¿çšãããã³ã³ãã¥ãŒã¿ãŒãç°å¢å ã®ããã¹ããå³åº§ã«èªèã§ããããã«ãªããŸãã
- AIã«ããææžçè§£ïŒOCRã¯AIã«ããææžçè§£ãžãšé²åããã·ã¹ãã ãããã¹ããæœåºããã ãã§ãªããæ å ±ã®æå³ãæèãçè§£ã§ããããã«ãªããŸãã
çµè«
å åŠæåèªèïŒOCRïŒã¯ãçµç¹ãå人ãç©ççãªäžçãšããžã¿ã«ãªäžçãšã®éã®ã®ã£ãããåããåãäžããå€é©çãªæè¡ã§ããç»åãææžãç·šéã»æ€çŽ¢å¯èœãªããã¹ãã«å€æããããšã§ãOCRã¯ã¯ãŒã¯ãããŒãåçåããããŒã¿ã®æ£ç¢ºæ§ãåäžãããã¢ã¯ã»ã·ããªãã£ãé«ããŸãã人工ç¥èœã𿩿¢°åŠç¿ã®é²æ©ã«çœåŒãããOCRæè¡ãé²åãç¶ããã«ã€ããŠãããŒã¿ç®¡çãšèªååã®æªæ¥ã圢äœãäžã§ãŸããŸãéèŠãªåœ¹å²ãæããã§ããããOCRæè¡ã®æ¡çšã¯ã仿¥ã®ããŒã¿é§ååã®äžçã§æ¥åãæé©åããå¹çãåäžãããç«¶äºäžã®åªäœæ§ãåŸãããšããçµç¹ã«ãšã£ãŠäžå¯æ¬ ã§ãããã«ã¹ã±ã¢ããéèãæè²ããè£œé æ¥ãŸã§ãOCRã®å¿çšã¯åºå€§ã§ããããã®å¯èœæ§ã¯ç¡éã§ããOCRæè¡ãžã®æè³ã¯ãããå¹ççã§ãæ£ç¢ºã§ãã¢ã¯ã»ã¹ããããæªæ¥ãžã®æè³ã§ãã