JPS582059U - contour line extraction device - Google Patents

contour line extraction device

Info

Publication number
JPS582059U
JPS582059U JP9372781U JP9372781U JPS582059U JP S582059 U JPS582059 U JP S582059U JP 9372781 U JP9372781 U JP 9372781U JP 9372781 U JP9372781 U JP 9372781U JP S582059 U JPS582059 U JP S582059U
Authority
JP
Japan
Prior art keywords
contour line
extraction device
line extraction
brightness
points
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.)
Pending
Application number
JP9372781U
Other languages
Japanese (ja)
Inventor
土屋　昇
浜田　利満
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9372781U priority Critical patent/JPS582059U/en
Publication of JPS582059U publication Critical patent/JPS582059U/en
Pending legal-status Critical Current

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  • Picture Signal Circuits (AREA)
  • Image Analysis (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の輪郭線抽出装置の実施例の全体構成図
、第２図は第１図の装置の微分処理により明暗変化点を
求める説明図、第３図は第１図の装置の輪郭線生成回路
のブロック図、第４図は第１図の装置の輪郭線生成説明
図である。 １・・・・・・撮像装置、２・′・晶・微分回路、３・
・曲整流回路、４・・・・・・明暗変化点抽出回路、５
・曲・輪郭線生成回路、６・・・・・・輪郭線、明暗変
化点、８・・曲シ　゛フトレジスタ、９・・・・・・Ｅ
ＸＯＲゲート、１１・・・・・・Ｊ−にフリップフロッ
プ、１２・・・・・・ＡＮＤゲート、１３・・・・・・
ＯＲゲート、１０・・・・・・走査クロック、１１・・
・・・・明暗変化点。FIG. 1 is an overall configuration diagram of an embodiment of the contour extraction device of the present invention, FIG. 2 is an explanatory diagram for determining brightness change points by differential processing of the device of FIG. 1, and FIG. 3 is an illustration of the device of FIG. 1. FIG. 4 is a block diagram of a contour generation circuit, and is an explanatory diagram of contour generation by the apparatus shown in FIG. 1. 1... Imaging device, 2.' Crystal/differential circuit, 3.
・Song rectification circuit, 4... Brightness change point extraction circuit, 5
・Track/contour line generation circuit, 6...Contour line, light/dark change point, 8...Track shift register, 9...E
XOR gate, 11...Flip-flop on J-, 12...AND gate, 13...
OR gate, 10... Scanning clock, 11...
...The point of change in brightness and darkness.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２次元に順次走査する撮像装置と、撮像装置からの映像
信号より、走査線上の明暗変化点を抽出する手段と、連
続する２本の走査線上の明暗変化点を記憶する手段を設
け、２本の走査線間における明暗変化点を比較し、輪郭
線を抽出するように構成してなることを特徴とする輪郭
線抽出装置。An imaging device that sequentially scans in two dimensions, a means for extracting brightness change points on a scanning line from a video signal from the imaging device, and a means for storing brightness change points on two consecutive scanning lines, and two 1. A contour line extraction device characterized in that the contour line extraction device is configured to extract a contour line by comparing points of change in brightness between scanning lines.
JP9372781U 1981-06-26 1981-06-26 contour line extraction device Pending JPS582059U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9372781U JPS582059U (en) 1981-06-26 1981-06-26 contour line extraction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9372781U JPS582059U (en) 1981-06-26 1981-06-26 contour line extraction device

Publications (1)

Publication Number Publication Date
JPS582059U true JPS582059U (en) 1983-01-07

Family

ID=29888692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9372781U Pending JPS582059U (en) 1981-06-26 1981-06-26 contour line extraction device

Country Status (1)

Country Link
JP (1) JPS582059U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6471767A (en) * 1987-09-13 1989-03-16 Canon Kk Graphic editing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6471767A (en) * 1987-09-13 1989-03-16 Canon Kk Graphic editing

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