KR100248384B1 - 다국어 문서 인식에서 개별 문자 추출 방법 및 그 인식 시스템 - Google Patents
다국어 문서 인식에서 개별 문자 추출 방법 및 그 인식 시스템 Download PDFInfo
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- KR100248384B1 KR100248384B1 KR1019970067558A KR19970067558A KR100248384B1 KR 100248384 B1 KR100248384 B1 KR 100248384B1 KR 1019970067558 A KR1019970067558 A KR 1019970067558A KR 19970067558 A KR19970067558 A KR 19970067558A KR 100248384 B1 KR100248384 B1 KR 100248384B1
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- 238000000605 extraction Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 36
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 28
- 239000013598 vector Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000007781 pre-processing Methods 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/148—Segmentation of character regions
- G06V30/153—Segmentation of character regions using recognition of characters or words
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
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Abstract
Description
Claims (4)
- 입력 수단인 광학 스캐너(12)를 스캐너 제어부(13)에 의해 구동하여 한글, 한자 및 영·수·부호 문자로 구성된 다국어 문서 영상(10)을 입력하거나, 이미 압축영상 등의 형태로 저장된 다국어 문서 영상(11)을 읽어 문서 영역 분리부(14), 개별 문자 분리부(15) 및 문자 인식부(16)로 구성된 문서 처리부(17)에서 수행되는 것을 특징으로 하는 다국어 문서 인식 시스템.
- 입력된 문서 영상(20)에서 문자 영역을 추출하는 단계(21)와; 상기 추출된 문자 영역에서 문자열을 추출하는 단계(22)와; 상기 추출된 문자열 영상에서 문자 인식기(24)의 결과값을 이용하여 개별 문자를 추출하는 단계(23)으로 이루어지는 것을 특징으로 하는 다국어 문서 인식을 위한 개별 문자 추출 방법.
- 제 2항에 있어서, 개별 문자 추출 단계(23)은;수직 방향 화소 투영 단계(41)와 문자 사각형의 정보 계산 단계로(43)로 구성되는 1차 문자 추출 과정(31)과;두 조각 이상으로 가로 분리된 문자를 병합하기 위해 병합여부를 판정하는 판정단계(51,53)와 상기 판정 단계(51,53)의 판정 결과에 따라 인접 문자 사각형을 병합하는 단계(54)로 구성되는 2차 문자 추출과정(32)과;붙은 문자나 겹친 문자를 재 분리하기 위해 그 여부를 판정하는 판정단계(62,66)와 그에 따라 붙은 문자/겹친 문자를 재분리하는 단계(67)로 구성되는 3차 문자 추출 과정(33)으로 수행되는 것을 특징으로 하는 다국어 문서 인식을 위한 개별 문자 추출 방법.
- 제 3항에 있어서, 병합 여부 판정 단계(53)와 붙은 문자 판정 단계(66)시, 대분류 단계(80), 상세 분류 단계(81), 유사문자 분류 단계(82)로 이루어지는 다단계 분류 방법의 문자 인식기(24)의 결과값을 이용하여 병합 처리와 붙은 문자 처리를 수행하는 것을 특징으로 하는 다국어 문서 인식을 위한 개별 문자 추출 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019970067558A KR100248384B1 (ko) | 1997-12-10 | 1997-12-10 | 다국어 문서 인식에서 개별 문자 추출 방법 및 그 인식 시스템 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019970067558A KR100248384B1 (ko) | 1997-12-10 | 1997-12-10 | 다국어 문서 인식에서 개별 문자 추출 방법 및 그 인식 시스템 |
Publications (2)
Publication Number | Publication Date |
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KR980004113A KR980004113A (ko) | 1998-03-30 |
KR100248384B1 true KR100248384B1 (ko) | 2000-03-15 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019970067558A KR100248384B1 (ko) | 1997-12-10 | 1997-12-10 | 다국어 문서 인식에서 개별 문자 추출 방법 및 그 인식 시스템 |
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KR (1) | KR100248384B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102208683B1 (ko) * | 2014-05-30 | 2021-01-28 | 삼성에스디에스 주식회사 | 문자 인식 방법 및 그 장치 |
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1997
- 1997-12-10 KR KR1019970067558A patent/KR100248384B1/ko not_active IP Right Cessation
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KR980004113A (ko) | 1998-03-30 |
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