JPS60218165A - 濃淡むら検出回路 - Google Patents

濃淡むら検出回路

Info

Publication number
JPS60218165A
JPS60218165A JP59074521A JP7452184A JPS60218165A JP S60218165 A JPS60218165 A JP S60218165A JP 59074521 A JP59074521 A JP 59074521A JP 7452184 A JP7452184 A JP 7452184A JP S60218165 A JPS60218165 A JP S60218165A
Authority
JP
Japan
Prior art keywords
area
circuit
character
density
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP59074521A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0241786B2 (enrdf_load_stackoverflow
Inventor
Noboru Ozaki
暢 尾崎
Takashi Torio
隆 鳥生
Hiromichi Iwase
岩瀬 洋道
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP59074521A priority Critical patent/JPS60218165A/ja
Priority to CA000478609A priority patent/CA1226948A/en
Priority to US06/722,559 priority patent/US4736315A/en
Priority to DE85302582T priority patent/DE3587488T2/de
Priority to EP85302582A priority patent/EP0159880B1/en
Priority to AU41085/85A priority patent/AU558127B2/en
Priority to KR1019850002521A priority patent/KR900004812B1/ko
Publication of JPS60218165A publication Critical patent/JPS60218165A/ja
Publication of JPH0241786B2 publication Critical patent/JPH0241786B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/40Analysis of texture
    • G06T7/41Analysis of texture based on statistical description of texture

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Probability & Statistics with Applications (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
  • Collating Specific Patterns (AREA)
  • Image Processing (AREA)
JP59074521A 1984-04-13 1984-04-13 濃淡むら検出回路 Granted JPS60218165A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP59074521A JPS60218165A (ja) 1984-04-13 1984-04-13 濃淡むら検出回路
CA000478609A CA1226948A (en) 1984-04-13 1985-04-09 Apparatus for evaluating density and evenness of printed patterns
US06/722,559 US4736315A (en) 1984-04-13 1985-04-12 Apparatus for evaluating density and evenness of printed patterns
DE85302582T DE3587488T2 (de) 1984-04-13 1985-04-12 Gerät zur Bewertung der Dichte und Ebenheit von gedruckten Mustern.
EP85302582A EP0159880B1 (en) 1984-04-13 1985-04-12 Apparatus for evaluating density and evenness of printed patterns
AU41085/85A AU558127B2 (en) 1984-04-13 1985-04-12 Evaluating density and evenness of printed patterns
KR1019850002521A KR900004812B1 (ko) 1984-04-13 1985-04-13 인쇄패턴의 농담과 균일성 평가장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59074521A JPS60218165A (ja) 1984-04-13 1984-04-13 濃淡むら検出回路

Publications (2)

Publication Number Publication Date
JPS60218165A true JPS60218165A (ja) 1985-10-31
JPH0241786B2 JPH0241786B2 (enrdf_load_stackoverflow) 1990-09-19

Family

ID=13549704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59074521A Granted JPS60218165A (ja) 1984-04-13 1984-04-13 濃淡むら検出回路

Country Status (1)

Country Link
JP (1) JPS60218165A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63115753A (ja) * 1986-11-04 1988-05-20 Canon Inc 画像処理方法
JPS63138472A (ja) * 1986-12-01 1988-06-10 Sakata Corp シヤ−プネスの評価方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63115753A (ja) * 1986-11-04 1988-05-20 Canon Inc 画像処理方法
JPS63138472A (ja) * 1986-12-01 1988-06-10 Sakata Corp シヤ−プネスの評価方法

Also Published As

Publication number Publication date
JPH0241786B2 (enrdf_load_stackoverflow) 1990-09-19

Similar Documents

Publication Publication Date Title
EP0712094B1 (en) A multi-windowing technique for threshholding an image using local image properties
KR920005868B1 (ko) 화상처리장치
CN107833242A (zh) 一种基于边缘信息和改进vibe运动目标检测方法
CN111539980A (zh) 一种基于可见光的多目标追踪方法
CN111369570B (zh) 一种视频图像的多目标检测跟踪方法
CN112419207A (zh) 一种图像矫正方法及装置、系统
Huerta et al. Exploiting multiple cues in motion segmentation based on background subtraction
CN116883887A (zh) 一种针对红外视频的泄漏气体检测方法
CN115240197A (zh) 图像质量评价方法、装置、电子设备、扫描笔及存储介质
CN117994573A (zh) 一种基于超像素和可形变卷积的红外弱小目标检测方法
CN112801963A (zh) 一种视频图像遮挡检测方法及系统
CN107066929B (zh) 一种融合多种特征的高速公路隧道停车事件分级识别方法
JPS61141087A (ja) 画像処理方法及び装置
JPS60218165A (ja) 濃淡むら検出回路
KR101954404B1 (ko) 가변 문턱값을 이용한 반그림자 차량번호판 인식률 개선방법 및 그 방법을 위한 cctv 시스템
KR102026410B1 (ko) 마커 인식 시스템 및 방법
CN113936030B (zh) 基于卷积编码的运动目标检测方法及系统
JPH0624014B2 (ja) 濃淡画像の処理方法
JP4409713B2 (ja) 文書画像認識装置及び記録媒体
JPH038630B2 (enrdf_load_stackoverflow)
CN113989628B (zh) 基于弱方向梯度的水下信号灯定位方法
Jung et al. Text extraction in real scene images on planar planes
Chen et al. A Chinese License Plate Recognition System based on OpenCV for complex environments
CN118570243B (zh) 基于边缘有效跳变区域分级统计的彩色图像简约量化方法
CN120047440B (zh) 一种航空结构件表面裂纹的检测方法、装置、设备及介质