JPH0257671U - - Google Patents

Info

Publication number
JPH0257671U
JPH0257671U JP13696588U JP13696588U JPH0257671U JP H0257671 U JPH0257671 U JP H0257671U JP 13696588 U JP13696588 U JP 13696588U JP 13696588 U JP13696588 U JP 13696588U JP H0257671 U JPH0257671 U JP H0257671U
Authority
JP
Japan
Prior art keywords
image signal
noise removal
removal unit
input image
movement amount
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
JP13696588U
Other languages
English (en)
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 filed Critical
Priority to JP13696588U priority Critical patent/JPH0257671U/ja
Publication of JPH0257671U publication Critical patent/JPH0257671U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)

Description

【図面の簡単な説明】
第１図ないし第３図は本考案の画像信号の雑音
除去装置を示し、第１図はブロツク図、第２図は
画像の動き説明図、第３図ａ，ｂは勾配検出部の
動作説明図、第４図は従来の画像信号の雑音除去
装置のブロツク図である。 １１……勾配検出部、２２……第１雑音除去部
、３０……第２雑音除去部、３５……演算部、４
０……比較器、４２……出力切換スイツチ。

Claims (1)

  1. 【実用新案登録請求の範囲】 入力画像信号の毎画面の画素単位のレベル勾配
    の検出値と画面間の差分レベルの検出値とから前
    記入力画像信号の画像移動量を画素単位で検出す
    る移動量検出部と、 前記入力画像信号の雑音を画面間の時間相関の
    演算で除去する第１雑音除去部と、 前記入力画像信号の雑音を画面内の空間相関の
    演算で除去する第２雑音除去部と、 前記画像移動量が基準値を超えるときに出力画
    像信号を前記第１雑音除去部の出力信号から前記
    第２雑音除去部の出力信号に切換える出力切換手
    段と を備えた画像信号の雑音除去装置。
JP13696588U 1988-10-20 1988-10-20 Pending JPH0257671U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13696588U JPH0257671U (ja) 1988-10-20 1988-10-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13696588U JPH0257671U (ja) 1988-10-20 1988-10-20

Publications (1)

Publication Number Publication Date
JPH0257671U true JPH0257671U (ja) 1990-04-25

Family

ID=31397969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13696588U Pending JPH0257671U (ja) 1988-10-20 1988-10-20

Country Status (1)

Country Link
JP (1) JPH0257671U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62299181A (ja) * 1986-06-18 1987-12-26 Sanyo Electric Co Ltd テレビジヨン信号のノイズ低減方式
JPS63109667A (ja) * 1986-10-27 1988-05-14 Nec Home Electronics Ltd 巡回型雑音低減装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62299181A (ja) * 1986-06-18 1987-12-26 Sanyo Electric Co Ltd テレビジヨン信号のノイズ低減方式
JPS63109667A (ja) * 1986-10-27 1988-05-14 Nec Home Electronics Ltd 巡回型雑音低減装置

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