KR900019454A - Fast image quality improvement method in binary image - Google Patents

Fast image quality improvement method in binary image Download PDF

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Publication number
KR900019454A
KR900019454A KR1019890006145A KR890006145A KR900019454A KR 900019454 A KR900019454 A KR 900019454A KR 1019890006145 A KR1019890006145 A KR 1019890006145A KR 890006145 A KR890006145 A KR 890006145A KR 900019454 A KR900019454 A KR 900019454A
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South Korea
Prior art keywords
quality improvement
improvement method
binary image
fast
run
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KR1019890006145A
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Korean (ko)
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KR920005197B1 (en
Inventor
김상중
이창범
박래홍
김서규
Original Assignee
경상현
재단법인 한국전자통신연구소
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Publication of KR900019454A publication Critical patent/KR900019454A/en
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  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)

Abstract

내용 없음No content

Description

이치 영상에서의 고속 화질 개선 방법Fast image quality improvement method in binary image

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 r(i)의 위치도, 제2도는 외곽선(contour)형태도, 제3도는 흰 화소의 마스크도, 제4도는 검은 화소의 마스크도, 제5도는 중심화소가 검은화소일때 가능한 경우의 예시도, 제6도는 중심화소가 흰화소일때 가능한 경우의 예시도, 제7도는 전체 알고리즘 흐름도.FIG. 1 shows the position of r (i), FIG. 2 shows the contour shape, FIG. 3 shows the mask of white pixel, FIG. 4 shows the mask of black pixel, and FIG. 5 shows that the center pixel is black pixel. 6 is an exemplary diagram where possible when the central pixel is a white pixel, and FIG. 7 is an overall algorithm flow diagram.

Claims (1)

4 이웃 화소를 사용하여 빠른시간 내에 호을을 찾아내고 제거하는 제1단계, 12개의 얇은 선을 마스크 매칭이 아닌 값을 정의하여 한번의 계산으로 12개의 얇은 선 선분을 찾아 내는 제2단계, 이진 영상 신호가 있는 곳에서만 상기 제1 및 제2 단계를 화질 개선 과정을 수행하고 동일한 런 길이(run length)를 갖는 부분을 뛰어넘는 화이트런 패스(white run pass)의 제3단계 및 블랙 런 패스(black run pass)의 제4 단계로 구성된 것을 특징으로 하는 이치 영상에서의 고속 화질 개선 방법.The first step of finding and removing arcs using neighboring pixels in a short time, the second step of finding 12 thin line segments in one calculation by defining a value other than mask matching for 12 thin lines, and a binary image The first and second steps are performed only in the presence of a signal, and the third and black run passes of the white run pass are performed over the portion having the same run length. and a fourth step of run pass). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890006145A 1989-05-08 1989-05-08 High speed picture improving method KR920005197B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890006145A KR920005197B1 (en) 1989-05-08 1989-05-08 High speed picture improving method

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Application Number Priority Date Filing Date Title
KR1019890006145A KR920005197B1 (en) 1989-05-08 1989-05-08 High speed picture improving method

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KR900019454A true KR900019454A (en) 1990-12-24
KR920005197B1 KR920005197B1 (en) 1992-06-29

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KR1019890006145A KR920005197B1 (en) 1989-05-08 1989-05-08 High speed picture improving method

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