JPH0262875U - - Google Patents
Info
- Publication number
- JPH0262875U JPH0262875U JP14236488U JP14236488U JPH0262875U JP H0262875 U JPH0262875 U JP H0262875U JP 14236488 U JP14236488 U JP 14236488U JP 14236488 U JP14236488 U JP 14236488U JP H0262875 U JPH0262875 U JP H0262875U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- ghost
- calculating
- coefficient
- signal
- 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
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図はその説明のための波形図である。
１……入力端子、２……加算器、３……トラン
スバーサルフイルタ、４……出力端子、５……減
算器、６……基準信号発生器、７……フイルタ係
数手段。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a waveform diagram for explaining the same. DESCRIPTION OF SYMBOLS 1...Input terminal, 2...Adder, 3...Transversal filter, 4...Output terminal, 5...Subtractor, 6...Reference signal generator, 7...Filter coefficient means.
Claims (1)
過した映像信号を加算または減算して出力映像信
号を得る演算手段と、 ゴーストキヤスセル基準信号を発生させる基準
信号発生手段と、 上記出力映像信号および上記ゴーストキヤンセ
ル基準信号の減算をする減算手段と、 この減算手段の出力信号に応じて係数を算出し
、上記トランスバーサルフイルタの係数を設定す
るフイルタ係数設定手段とよりなるゴースト除去
装置において、 上記フイルタ係数設定手段には、係数算出時に
使用される修正率を、上記減算手段の出力信号に
応じて算出する修正率算出手段が設けられる ことを特徴とするゴースト除去装置。[Scope of Claim for Utility Model Registration] Arithmetic means for obtaining an output video signal by adding or subtracting a video signal passed through a transversal filter to an input video signal; a reference signal generating means for generating a ghost cass cell reference signal; A ghost removal device comprising a subtraction means for subtracting an output video signal and the ghost cancellation reference signal, and a filter coefficient setting means for calculating a coefficient according to the output signal of the subtraction means and setting a coefficient of the transversal filter. The ghost removal device according to the present invention, wherein the filter coefficient setting means is provided with a correction rate calculation means for calculating a correction rate used when calculating the coefficient according to an output signal of the subtraction means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14236488U JPH0262875U (en) | 1988-10-31 | 1988-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14236488U JPH0262875U (en) | 1988-10-31 | 1988-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0262875U true JPH0262875U (en) | 1990-05-10 |
Family
ID=31408247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14236488U Pending JPH0262875U (en) | 1988-10-31 | 1988-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0262875U (en) |
-
1988
- 1988-10-31 JP JP14236488U patent/JPH0262875U/ja active Pending
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