KR840006533A - 문자 식별 장치 - Google Patents

문자 식별 장치 Download PDF

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Publication number
KR840006533A
KR840006533A KR1019830004986A KR830004986A KR840006533A KR 840006533 A KR840006533 A KR 840006533A KR 1019830004986 A KR1019830004986 A KR 1019830004986A KR 830004986 A KR830004986 A KR 830004986A KR 840006533 A KR840006533 A KR 840006533A
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KR
South Korea
Prior art keywords
pen
character
stroke
circuit means
axis
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KR1019830004986A
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English (en)
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KR880002662B1 (ko
Inventor
코오지(외 2) 사토오
Original Assignee
나까하라쓰네오
스미또모 덴기 코오교오 가부시기 가이샤
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Application filed by 나까하라쓰네오, 스미또모 덴기 코오교오 가부시기 가이샤 filed Critical 나까하라쓰네오
Publication of KR840006533A publication Critical patent/KR840006533A/ko
Application granted granted Critical
Publication of KR880002662B1 publication Critical patent/KR880002662B1/ko

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • 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
    • G06V30/18—Extraction of features or characteristics of the image
    • 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
    • G06V30/32—Digital ink
    • G06V30/333—Preprocessing; Feature extraction
    • G06V30/347—Sampling; Contour coding; Stroke extraction
    • 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
    • G06V30/32—Digital ink
    • G06V30/36—Matching; Classification
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Character Discrimination (AREA)

Abstract

내용 없음

Description

문자 식별 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 문자 식별 장치의 블록 다이아 그램.
제2도는 각 선방향에 대해 분류된 코드.
제3도는 기록된 문자.
※참고사항 : 최초출원 내용에 의하여 공개하는 것임.

Claims (3)

  1. 3개의 좌표축 X, Y, Z 상의 팬 위치를 검출하는 수단으로 타블릿에 문자를 기록하는 철필 펜의 위치를 검출함으로서 문자, 숫자, 또는 표식을 식별하는 장치는, 타블릿 표면의 수직 좌표축(Z)에서 철핀 펜의 위치변화를 검출하고 그리고 Z축상의 위치 일탈을 검출하고 펜의 위치가 변경되기 전후에 면축(X 및 Y면)상에 존재하는 2개의 펜 위치 차이를 비교함으로서 문자를 기록하는 펜의 이동 개시 및 종료를 검출하는 검출회로 수단과,면 (X 및 Y면)에 대한 펜 위치의 데이터를 다음과 같은 방정식(1)(2) A는 X 좌표축상에서 펜의 최대 시프트 B는 Y 좌표축상에서 펜의 최대 시프트 C는 표준화 이후에 요구된 문자 크기는 Y축 및 Y축 상에서의 펜 위치은 문자를 기록한는데 X 및 Y축 상에서의 펜위치 최대값. X' 및 Y'는 표준화 이후에 전송된 좌표 : 에 따라 처리해서 기록되는 문자크기가 일률화 되도록 하는 문자 크기 표준화 회로 수단과, 펜위치에 대한 데이터를 다음과 같은 방정식(3)(4) lanQ=B/A (5)L=(6)은 시간 t-1에서 전송된 X-좌표은 시간 t 및 t-1에서 전송된 Y-좌표 : 따라 처리해서 문자의 획에 대한 길이 L 및 각 Q을 생성하는 계산용 회로수단과, 획의 선분에 대한 Q 및 L의 발생 순서의해 문자획의 특징을 추출하는 판별 수단과, 획의 특징 발생순서 측면에서의 조합에 의해 문자를 식별하는 회로수단을 구비한다는 것을 특징으로 하는 문자 식별장치.
  2. 제1항에 있어서, 획의 선분에 관한 상기 각 Q가 여러종류로 분류되고 지시코 또는 각각의 각으로 표현된다는 것을 특징으로 하는 문자 식별장치.
  3. 제1항에 있어서, 상기 선분 길이는 식별될 수 있도록 표준 문자 크기에 따라 여러 종류로 분류되고 각 선길이 종류에 대한 특징 코드를 갖고 있다는 것을 특징으로 하는 문자 식별장치.
KR1019830004986A 1982-10-21 1983-10-21 문자 인식장치 KR880002662B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP185839 1982-10-21
JP57185839A JPS5975375A (ja) 1982-10-21 1982-10-21 文字認識装置

Publications (2)

Publication Number Publication Date
KR840006533A true KR840006533A (ko) 1984-11-30
KR880002662B1 KR880002662B1 (ko) 1988-12-17

Family

ID=16177775

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830004986A KR880002662B1 (ko) 1982-10-21 1983-10-21 문자 인식장치

Country Status (6)

Country Link
US (1) US4542526A (ko)
EP (1) EP0107196B1 (ko)
JP (1) JPS5975375A (ko)
KR (1) KR880002662B1 (ko)
CA (1) CA1209264A (ko)
DE (1) DE3377751D1 (ko)

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Also Published As

Publication number Publication date
DE3377751D1 (en) 1988-09-22
EP0107196A3 (en) 1984-12-27
EP0107196A2 (en) 1984-05-02
EP0107196B1 (en) 1988-08-17
KR880002662B1 (ko) 1988-12-17
JPS5975375A (ja) 1984-04-28
CA1209264A (en) 1986-08-05
US4542526A (en) 1985-09-17

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