JPH0467887U - - Google Patents
Info
- Publication number
- JPH0467887U JPH0467887U JP11089390U JP11089390U JPH0467887U JP H0467887 U JPH0467887 U JP H0467887U JP 11089390 U JP11089390 U JP 11089390U JP 11089390 U JP11089390 U JP 11089390U JP H0467887 U JPH0467887 U JP H0467887U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- image
- background
- digital
- color
- 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
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す画像合成回路
のブロツク図、第２図は同第１図を説明するため
の入力画像信号と出力画像信号との画像図、第３
図は同第１図を説明するための色位相図、第４図
は同第１図を説明するための色判別の領域図であ
る。
１ａ，１ｂはデイジタル信号処理回路、２は画
像合成部、３は背景色判別データ設定回路、４は
背景判別回路である。
FIG. 1 is a block diagram of an image synthesis circuit showing an embodiment of the present invention, FIG. 2 is an image diagram of an input image signal and an output image signal to explain FIG. 1, and FIG.
The figure is a color phase diagram for explaining FIG. 1, and FIG. 4 is a color discrimination area diagram for explaining FIG. 1. 1a and 1b are digital signal processing circuits, 2 is an image synthesis section, 3 is a background color discrimination data setting circuit, and 4 is a background discrimination circuit.
Claims (1)
ジタル色差信号Ｒ−Ｙ，Ｂ−Ｙに変換する信号処
理回路を複数系統と、同入力画像信号の背景部か
被写体部かの判別および同判別結果を基にどの画
像を出力するかを制御する画像選択信号を発生す
る背景判別回路と、背景色との比較判定に用いる
色データを設定する背景色判定データ設定回路と
、複数系統の前記信号処理回路出力のデイジタル
輝度信号Ｙ及びデイジタル色差信号Ｒ−Ｙ，Ｂ−
Ｙを前記画像選択信号により画素単位で合成する
画像合成部とを具備してなるテレビ受像機。 A plurality of signal processing circuits are used to convert the input image signal into a digital luminance signal Y and digital color difference signals R-Y, B-Y, and the system determines whether the input image signal is a background part or an object part, and based on the results of this determination. a background discrimination circuit that generates an image selection signal for controlling which image to output; a background color discrimination data setting circuit that sets color data to be used for comparative judgment with a background color; Digital luminance signal Y and digital color difference signal RY, B-
and an image synthesis section that synthesizes Y on a pixel-by-pixel basis using the image selection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11089390U JPH0467887U (en) | 1990-10-23 | 1990-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11089390U JPH0467887U (en) | 1990-10-23 | 1990-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467887U true JPH0467887U (en) | 1992-06-16 |
Family
ID=31858296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11089390U Pending JPH0467887U (en) | 1990-10-23 | 1990-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467887U (en) |
-
1990
- 1990-10-23 JP JP11089390U patent/JPH0467887U/ja active Pending
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