JPS6068761U - Sub-sample image signal processing device - Google Patents
Sub-sample image signal processing deviceInfo
- Publication number
- JPS6068761U JPS6068761U JP1983160530U JP16053083U JPS6068761U JP S6068761 U JPS6068761 U JP S6068761U JP 1983160530 U JP1983160530 U JP 1983160530U JP 16053083 U JP16053083 U JP 16053083U JP S6068761 U JPS6068761 U JP S6068761U
- Authority
- JP
- Japan
- Prior art keywords
- image signal
- frequency component
- sub
- high frequency
- interpolation device
- 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
Links
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
第１図はサブサンプル画像伝送にわけるサンプル点の各
フィールドにおける構成配置の例を模式的に示す線図、
第２図は２フレーム相関の態様の例を順次に示す信号波
形図、第３図はテンポラル内挿系統の従来構成の例を示
すブロック線図、第４図Ｈｘｇは同じくその従来構成に
おける各部信号波形の例を順次に示す波形図、第５図は
同じくそのテンポラル内挿処理装置の構成例を示すブロ
ック線図、第６図ａ−ｇは同じくその構成例における各
部信号波形を順次に示す信号波形図、第７図は同じくそ
のテンポラル内挿処理装置の他の構成例を示すブロック
線図、第８図は本考案による内挿補間における画像動き
量の２フレ一ム検出感度の低下に伴う画質劣化を防止す
るりカーシブ・フィルタの構成例を示すブロック線図丸
第９図ａ、 ｂは第８図示の構成例におけるフィールド
メモリの入力側および出力側のインパルス・レスポンス
をそれを゛れ示す信号波形図である。
１．１−１．１−２・・田−パスフィルタ、２゜２−１
．２−２・・・減算器、３・・・フレーム・メモリ、４
，５．９・・・加算器、６・・・最小絶対値選択口−路
、７・・・単純テンポラル内挿回路、８・・・空間内挿
回路、１０・・・オアゲート、１１・・・フィールドメ
モリ、ＳＷ・・・スイッチ。
ｏｘｏｘｏｘｏｘｏｘ
○ ｘｏｘｏｘ ○ Ｘ０Ｘ
ＯＸＯＸＯＸＯＸＯＸ
第２図
′ ３
人フフ （ｂ） ｏ−ノゝ°ズ
６７プ フＬ−Ａ （Ｃノブスルダ
− メぞ１
（ｅ） ω
小FIG. 1 is a diagram schematically showing an example of the configuration arrangement of sample points in each field for sub-sample image transmission;
FIG. 2 is a signal waveform diagram sequentially showing examples of two-frame correlation, FIG. 3 is a block diagram showing an example of a conventional configuration of a temporal interpolation system, and FIG. 4 Hxg is a signal waveform diagram of each part in the conventional configuration FIG. 5 is a block diagram showing an example of the configuration of the temporal interpolation processing device, and FIGS. FIG. 7 is a block diagram showing another example of the configuration of the temporal interpolation processing device, and FIG. 8 is a waveform diagram showing a waveform diagram showing another example of the configuration of the temporal interpolation processing device. Figures 9 (a) and 9 (b) are block diagrams showing an example of a configuration of a cursive filter that prevents image quality deterioration. It is a signal waveform diagram. 1.1-1.1-2... field-pass filter, 2゜2-1
．． 2-2...Subtractor, 3...Frame memory, 4
, 5.9... Adder, 6... Minimum absolute value selection port, 7... Simple temporal interpolation circuit, 8... Spatial interpolation circuit, 10... OR gate, 11...・Field memory, SW...switch. oxoxoxoxox ○ xoxox ○ X0X OXOXOXOXOX
67 Puff L-A (C Nob Surda)
- Mezo 1 (e) ω small
Claims (1)
成を変換した画像信号を入力とし、前記画像信号をフィ
ルタに加えて所望のクロスオーバ周波数にて高域周波数
成分と低域周波数成分とに分け、少なくとも非遅延およ
び１フレ一ム期間遅延の前記高域周波数成分のうち、つ
ねに最小絶対値の高域成分を選択的に出力する最小絶対
値選択回路を設け、前記最小絶対値の高域成分と前記低
域周波数成分との合成信号を用いて前記内挿補間を行な
うようにしたことを特徴とするサブサンプル画像信号内
挿装置。 ２ 実用新案登録請求の範囲第１項記載の画像信号内挿
装置において、時間フィルタを介して供給する前記サブ
サンプルしたサンプル値から前記高域周波数成分および
前記低域周波数成分をそれぞれ取出しようにしたことを
特徴とするサブサンプル画像信号内挿装置。 、３ 実用新案登録請求の範囲第２項記載の画像信号内
挿装置において、前記最小絶対値の高域成分と前記低域
周波成分との合成信号を用いて内挿補間を施した画像信
号と垂直空間フィルタにより空間内挿を施した画像信号
と前記画像の動き量に応じ、切換えて取出すようにした
ことを特徴とするサブサンプル画像信号内挿装置。[Claims for Utility Model Registration] 1. An image signal obtained by subsampling the ampoule value of an image signal and converting the signal configuration is input, and the image signal is added to a filter to extract high frequency components at a desired crossover frequency. and a low frequency component, and a minimum absolute value selection circuit that always selectively outputs the high frequency component having the minimum absolute value among the high frequency components that are non-delayed and delayed by one frame period is provided; A sub-sample image signal interpolation device, characterized in that the interpolation is performed using a composite signal of the high-frequency component of the minimum absolute value and the low-frequency component. 2 Utility Model Registration In the image signal interpolation device according to claim 1, the high frequency component and the low frequency component are respectively extracted from the subsampled sample value supplied via a temporal filter. A sub-sampled image signal interpolation device characterized by: , 3 Utility model registration In the image signal interpolation device according to claim 2, the image signal is interpolated using a composite signal of the high frequency component of the minimum absolute value and the low frequency component. A sub-sampled image signal interpolation device characterized in that the image signal spatially interpolated by a vertical spatial filter is switched and extracted according to the amount of movement of the image.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983160530U JPS6068761U (en) | 1983-10-19 | 1983-10-19 | Sub-sample image signal processing device |
| EP84112565A EP0146713B2 (en) | 1983-10-19 | 1984-10-18 | Multiplex subsampling transmission system for a high definition color television picture signal |
| DE8484112565T DE3479953D1 (en) | 1983-10-19 | 1984-10-18 | Multiplex subsampling transmission system for a high definition color television picture signal |
| CA000465762A CA1213359A (en) | 1983-10-19 | 1984-10-18 | Multiplex subsampling transmission system for a high definition color television picture signal |
| US07/033,878 US4745459A (en) | 1983-10-19 | 1987-04-02 | Divisionally time-compressed subsample transmission and motion-compensated reproduction system for a high definition color television picture signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983160530U JPS6068761U (en) | 1983-10-19 | 1983-10-19 | Sub-sample image signal processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6068761U true JPS6068761U (en) | 1985-05-15 |
| JPS6246386Y2 JPS6246386Y2 (en) | 1987-12-14 |
Family
ID=30353056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983160530U Granted JPS6068761U (en) | 1983-10-19 | 1983-10-19 | Sub-sample image signal processing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6068761U (en) |
-
1983
- 1983-10-19 JP JP1983160530U patent/JPS6068761U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6246386Y2 (en) | 1987-12-14 |
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