JPS59140589A - 輪郭抽出装置 - Google Patents

輪郭抽出装置

Info

Publication number
JPS59140589A
JPS59140589A JP58014084A JP1408483A JPS59140589A JP S59140589 A JPS59140589 A JP S59140589A JP 58014084 A JP58014084 A JP 58014084A JP 1408483 A JP1408483 A JP 1408483A JP S59140589 A JPS59140589 A JP S59140589A
Authority
JP
Japan
Prior art keywords
slope
rectangular object
detection unit
unit
edge
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
JP58014084A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0145669B2 (enrdf_load_stackoverflow
Inventor
Takashi Torio
隆 鳥生
Toshiyuki Goto
敏行 後藤
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 JP58014084A priority Critical patent/JPS59140589A/ja
Publication of JPS59140589A publication Critical patent/JPS59140589A/ja
Publication of JPH0145669B2 publication Critical patent/JPH0145669B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Image Analysis (AREA)
JP58014084A 1983-01-31 1983-01-31 輪郭抽出装置 Granted JPS59140589A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58014084A JPS59140589A (ja) 1983-01-31 1983-01-31 輪郭抽出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58014084A JPS59140589A (ja) 1983-01-31 1983-01-31 輪郭抽出装置

Publications (2)

Publication Number Publication Date
JPS59140589A true JPS59140589A (ja) 1984-08-11
JPH0145669B2 JPH0145669B2 (enrdf_load_stackoverflow) 1989-10-04

Family

ID=11851236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58014084A Granted JPS59140589A (ja) 1983-01-31 1983-01-31 輪郭抽出装置

Country Status (1)

Country Link
JP (1) JPS59140589A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61290583A (ja) * 1985-06-19 1986-12-20 Yokogawa Electric Corp 画像処理装置
JPS62202290A (ja) * 1986-03-03 1987-09-05 Hitachi Ltd 直線算出方法
JP2010134958A (ja) * 2010-02-08 2010-06-17 Fujitsu Ltd 境界検出方法、プログラムおよびこれを用いた装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61290583A (ja) * 1985-06-19 1986-12-20 Yokogawa Electric Corp 画像処理装置
JPS62202290A (ja) * 1986-03-03 1987-09-05 Hitachi Ltd 直線算出方法
JP2010134958A (ja) * 2010-02-08 2010-06-17 Fujitsu Ltd 境界検出方法、プログラムおよびこれを用いた装置

Also Published As

Publication number Publication date
JPH0145669B2 (enrdf_load_stackoverflow) 1989-10-04

Similar Documents

Publication Publication Date Title
US4905296A (en) System for shape recognition
Gatos et al. Automatic table detection in document images
US5081689A (en) Apparatus and method for extracting edges and lines
US5487115A (en) Method and apparatus for determining the fine angular orientation of bar code symbols in two-dimensional CCD images
JP3950777B2 (ja) 画像処理方法、画像処理装置および画像処理プログラム
Nakano et al. An algorithm for the skew normalization of document image
JPH0685183B2 (ja) ２次元像による３次元物体の同定方法
Joseph Processing of engineering line drawings for automatic input to CAD
Perantonis et al. Block decomposition and segmentation for fast Hough transform evaluation
CN117173225A (zh) 一种用于复杂pcb的高精度配准方法
US5438636A (en) Apparatus for simultaneously convolving multiple digital binary images using a single convolver with a binary mask to determine pixel densities
JPH02224187A (ja) 直線に対するサーチ領域を発見するよう２値像をサーチする方法
JPS59140589A (ja) 輪郭抽出装置
Kjell et al. Segmentation of textured images by pyramid linking
EP0702320A1 (en) Skew detection
JPS60189084A (ja) 文字区域抽出回路
Jayarathna et al. A junction based segmentation algorithm for offline handwritten connected character segmentation
JP3153439B2 (ja) 文書画像傾き検出方法
Jayarathna et al. New segmentation algorithm for offline handwritten connected character segmentation
JP2795860B2 (ja) 文字認識装置
EP0797804B1 (en) Method and apparatus for simultaneously convolving multiple digital binary images using a single convolver with a binary mask to determine pixel densities
JPH1049684A (ja) 高速モーメント計算装置
JPS63128484A (ja) 画像処理装置
JPS6343788B2 (enrdf_load_stackoverflow)
JPH103517A (ja) 文書画像傾き角検出装置