JPS6087570A - Picture signal interpolation system - Google Patents

Picture signal interpolation system

Info

Publication number
JPS6087570A
JPS6087570A JP19639183A JP19639183A JPS6087570A JP S6087570 A JPS6087570 A JP S6087570A JP 19639183 A JP19639183 A JP 19639183A JP 19639183 A JP19639183 A JP 19639183A JP S6087570 A JPS6087570 A JP S6087570A
Authority
JP
Japan
Prior art keywords
line
signal
section
picture signal
pixel
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
JP19639183A
Other languages
Japanese (ja)
Inventor
Sumio Ogawara
小川原 澄夫
Yoshinori Aoki
好範 青木
Takushi Iga
卓志 伊賀
Takahiro Kikuchi
多可広 菊地
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.)
Panasonic System Solutions Japan Co Ltd
Original Assignee
Matsushita Graphic Communication Systems Inc
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 Matsushita Graphic Communication Systems Inc filed Critical Matsushita Graphic Communication Systems Inc
Priority to JP19639183A priority Critical patent/JPS6087570A/en
Publication of JPS6087570A publication Critical patent/JPS6087570A/en
Pending legal-status Critical Current

Links

Landscapes

  • Editing Of Facsimile Originals (AREA)

Abstract

PURPOSE:To improve the forecast hit rate by storing input lines before and after an interpolated line in a picture signal interpolation system for a facsimile device or the like so as to bring the level of a picture element of the interpolated line into a black level in response to the distribution state of adjacent black picture elements to a noted picture element. CONSTITUTION:A picture signal (f) and its synchronizing signal (g) of a line 1 received by a reception section 11 are outputted, a write signal (h) is given from a timing control section 15 and the picture signal (f) is stored sequentially to a line memory 13. Then a read signal (i) is given from the control section 15, a picture signal of the line 1 is outputted from a memory 13, then a signal (j) is recorded on a recording section 12 as a recording picture signal (p) via gates 22, 19 at the same time, and when a picture signal of the next line 3 is written in a line memory 14, the signal is fed to a forecast section 16 via a gate 20 at the same time, the picture signal of the line 1 is also fed to the forecast section 16, a picture signal of an interpolated line 2 is outputted from the forecast section 16 according to the predetermined rules and inputted to the recording section 12, the lines 1, 3 and 2 are recorded and lines are recorded sequentially one after another.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、ファクシミリ装置等に適用される画信号内挿
方式に関する。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an image signal interpolation method applied to facsimile machines and the like.

従来例の構成とその問題点 ファクシミリ装置の記録部は一般に静電ヘッドや感熱ヘ
ッドを用いているが、このような記録部は、副走査線密
度を粗くすると記録再生画像に白抜けが生じ良画質を得
られない等の問題がある。
Conventional configurations and their problems The recording section of a facsimile machine generally uses an electrostatic head or a thermal head, but in such a recording section, if the sub-scanning line density is made coarse, white spots may appear in the recorded and reproduced image, resulting in poor quality. There are problems such as not being able to obtain image quality.

そこで、ファクシミリ装置においては、受信画信号の各
ラインの間に1ラインの画信号を挿入する処理(画信号
内挿処理)を行うことが多い。
Therefore, facsimile machines often perform a process of inserting one line of image signal between each line of a received image signal (image signal interpolation process).

第1図は従来のファクシミリ装置における画信号内挿方
式を示す概略ブロック図である。この図。
FIG. 1 is a schematic block diagram showing an image signal interpolation method in a conventional facsimile machine. This diagram.

において、1は受信部、2は1ライン分の画信号を蓄積
するラインメモリ、3は記録部、4はANDゲート、5
はインヒビットゲート、6はORゲートである。
, 1 is a receiving section, 2 is a line memory that stores image signals for one line, 3 is a recording section, 4 is an AND gate, and 5
is an inhibit gate, and 6 is an OR gate.

受信部1は筐ずインヒビット信号a f:”O”、書き
込み信号すを1”にして学信した1ラインの画信号Cを
出力する。この画信号Cは、インヒビ・ソトゲート5と
ORゲート6を経由し記録部3へ入力され記録されると
同時に、ラインメモリ2に蓄積される。この1ラインの
画信号Cの記録を終了すると、受信部1はインヒビ、ノ
ド重帯aをパ1”にし、書き込み信号すをo”にする。
The receiving unit 1 outputs a 1-line image signal C, which is input by setting the inhibit signal af: "O" and the write signal 1 to 1. This image signal C is sent to the inhibit gate 5 and the OR gate 6. It is input to the recording unit 3 via the 1 line and is recorded, and at the same time is stored in the line memory 2. When the recording of this one line of image signal C is completed, the receiving unit 1 outputs the inhibited throat belt a as the signal C. and set the write signal to "o".

ラインメモリ2より蓄積されている両信号が出力され、
これはANDゲ−) 4とOR1’−1−6を介L −
’C記’il’、 RIS 3に入力され記録される。
Both signals stored in line memory 2 are output,
This is an AND game) 4 and OR1'-1-6 through L-
'il', input to RIS 3 and recorded.

つ1す、受信ラインの次に同内容のライン(内挿ライン
)が内挿され記録されるわけである。
First, a line with the same content (interpolated line) is interpolated and recorded next to the received line.

このように、従来の画信′\号内挿方式は、内挿ライン
の各画素を直前の入力1ラインと同一状態であると単純
に予測するものであり、予測誤差が大きいため記録再生
画像の品質を七分良くできないという問題があった。第
2図はそのような画質劣化の説明図であり、入力ライン
■、■の間4C同図(a)に示すようなライン■を内挿
十べき場合に、実際には同図(b)に示すようなライン
■が内挿されるため、画質が不自然になってしまうこと
を示している。
In this way, the conventional image signal interpolation method simply predicts each pixel of the interpolation line to be in the same state as the previous input line, and because the prediction error is large, the recorded and reproduced image The problem was that the quality could not be improved by 70%. Figure 2 is an explanatory diagram of such image quality deterioration, and when the line ■ shown in Figure (a) is interpolated between the input lines ■ and ■, it is actually This indicates that the image quality becomes unnatural because the line ■ shown in is interpolated.

発明の目的 本発明は上記従来の問題点を解消するもので、従来より
も内挿ライン画素の予測連中率を向上し、画質の優れた
画像の記録再生を可能とした画信号内挿方式を提供する
ことを目的とする。
Purpose of the Invention The present invention solves the above-mentioned conventional problems, and provides an image signal interpolation method that improves the predicted success rate of interpolated line pixels compared to the conventional method and enables recording and reproduction of images with excellent image quality. The purpose is to provide.

発明の構成 本発明は、内挿ライン上の任意の画素(注目画素)を下
記の(イ)、(ロ)または(ハ)の何れかの場合に黒画
素とし、それ以外の場合に白lI!i7素とすることに
より、上述の目的を達成せんとするものである。
Structure of the Invention The present invention makes an arbitrary pixel (pixel of interest) on an interpolation line a black pixel in any of the following cases (a), (b), or (c), and makes it a white pixel in other cases. ! By using the i7 element, the above object is achieved.

(イ) 内挿ラインの前後の入力ラインのそれぞれに、
注目画素と斜め方向に隣接する黒画素が1個以上存在す
る。
(b) For each input line before and after the interpolation line,
There is one or more black pixels diagonally adjacent to the pixel of interest.

(ロ) 内挿ラインの前の入力ライン上に注目画素と隣
接する黒画素が2個以上存在し、かつ内挿ラインの後の
入力ラインに注目画素と隣接する黒画素が1個以上存在
する。
(b) Two or more black pixels adjacent to the pixel of interest exist on the input line before the interpolation line, and one or more black pixels adjacent to the pixel of interest exist on the input line after the interpolation line. .

(ハ) 内挿ラインの前の入力ライン上に注目画素と隣
接する黒画素が1個以上存在し、かつ後の入力ライン上
に注目画素と隣接する黒画素が2個以上存在する。
(c) One or more black pixels adjacent to the pixel of interest exist on the input line before the interpolation line, and two or more black pixels adjacent to the pixel of interest exist on the input line after the interpolation line.

実施例の説明 以下、図面を参照し本発明の実施例につき説明する。Description of examples Embodiments of the present invention will be described below with reference to the drawings.

@3図は本発明の一実雄例によるファクシミリ装置の概
略ブロック図である。この図において、11は受信部、
12は記録rτIS、13と14はそれぞれ1ライン分
の両信号を蓄積できるラインメモリ、16はタイミング
制御部である。16は前後2本の入力ライン(受信ライ
ン)の画信号を参照して内挿ラインの画像りを子側生成
する予測部である。17〜19t;l:ORゲート、2
0〜24はANDゲートである。
Figure 3 is a schematic block diagram of a facsimile machine according to an example of the present invention. In this figure, 11 is a receiving section;
12 is a recording rτIS, 13 and 14 are line memories each capable of storing one line of both signals, and 16 is a timing control section. Reference numeral 16 denotes a prediction unit that generates an image of the interpolation line on the child side by referring to the image signals of the two input lines (front and rear) (receiving lines). 17-19t; l: OR gate, 2
0 to 24 are AND gates.

第4図は第3図中のイへ号f〜pのタイミング図である
。この図を参照しながら、本実施例のファクシミリ装置
の動作を説明する。
FIG. 4 is a timing diagram of numbers f to p in FIG. The operation of the facsimile machine of this embodiment will be explained with reference to this figure.

受信部11より受信したライン■の画信号fとその同期
信号qが出力さJ’L 7)。この時、タイミング制御
部15から書き込み信号りが出るため、ライン■の画信
号fはラインメモリ13に順次蓄積される。
The image signal f of the line ■ received from the receiving section 11 and its synchronization signal q are output J'L7). At this time, since a write signal is output from the timing control section 15, the image signal f of line (2) is sequentially stored in the line memory 13.

ライン■の画信号fの出力を完了し、同期信号qがオフ
した後、タイミング制御部15から読み出し信号iが出
されるため、ラインメモリ13からライン■の画信号が
出力される。この時、タイミング制御部15からは信号
jが出されるため、ラインメモリ13から出力されたラ
イン■の画信号はANDゲート22を通過し、さらにO
Rゲート19を経て記録画信号pとして記録部12に入
力される。
After the output of the image signal f of the line ■ is completed and the synchronization signal q is turned off, the timing control section 15 outputs the read signal i, so that the line memory 13 outputs the image signal of the line ■. At this time, since the signal j is output from the timing control section 15, the image signal of the line ■ output from the line memory 13 passes through the AND gate 22, and is further outputted from the O
The signal is inputted to the recording unit 12 via the R gate 19 as a recording image signal p.

次のライン■の画信号■が受信部11から出力される時
は、タイミング制御部15よりラインメモリ14に対す
る書き込み信号a、ラインメモリ13に対する読み出し
信号i、および信号kが出される。したがって、ライン
(■の画信号fはラインメモリ14に蓄積されると同時
にANDゲート20を介して予測部16に入力され、ま
たラインメモリ13から出力されるライン■の画信号は
ANDゲート21とORゲート18を介して予測部16
に入力される。予測部16から内挿ライン■の画信号が
出力さり、、この両信号はORゲート19を介し記録画
信号pとして記録部12に入力される。
When the image signal ■ of the next line ■ is output from the receiving section 11, the timing control section 15 outputs a write signal a to the line memory 14, a read signal i to the line memory 13, and a signal k. Therefore, the image signal f of the line (■) is stored in the line memory 14 and simultaneously input to the prediction unit 16 via the AND gate 20, and the image signal f of the line (■) output from the line memory 13 is stored in the AND gate 21. The prediction unit 16 via the OR gate 18
is input. The prediction unit 16 outputs the image signal of the interpolation line (3), and both signals are input to the recording unit 12 via the OR gate 19 as the recorded image signal p.

ライン■の記録ii!ii信号pの入力が終わると、タ
イミング制呻部15から読み出し信号mと信号nが出さ
れる。ラインメモリ14よりライン■の画信号が読み出
され、ANDゲート24とORゲート19を誼じ記録画
信号pとして記録部12に入力される。
Line ■ record ii! When the input of the ii signal p is completed, the timing control section 15 outputs a read signal m and a signal n. The image signal of line (2) is read out from the line memory 14, passed through an AND gate 24 and an OR gate 19, and is input to the recording section 12 as a recorded image signal p.

以上で、受信したライン■、■と内挿ライン■の3ライ
ンの両信号の記録が行われる。
As described above, both signals of the three lines, the received lines (2) and (2) and the interpolated line (2), are recorded.

次のライン■の画信号fが受信部11より出力される時
は、タイミング制御押部16からラインメモリ13と1
4に対する書き込み信号りと読み出し信号m、および信
号0が出される。従って、ライン■の画信号fはライン
メモリ13に書き込まれるとともにANDゲート20を
通じ予測@16に入力され、同時にラインメモリ14か
ら出力されるライン■の画信号はANDゲート23とO
Rゲート18を介して予測部16に入力される。この2
ラインに基づき予測部16で内挿ライン■の画信号が予
測生成され、ORゲート19を通じ記録画信号pとして
記録部12に入力される。
When the image signal f of the next line ■ is output from the receiving section 11, the line memory 13 and 1 are pressed from the timing control push section 16.
A write signal for 4, a read signal m, and a signal 0 are issued. Therefore, the image signal f of the line ■ is written to the line memory 13 and input to the prediction@16 through the AND gate 20, and at the same time, the image signal f of the line ■ output from the line memory 14 is written to the AND gate 23 and O
The signal is input to the prediction unit 16 via the R gate 18. This 2
Based on the line, the prediction section 16 predicts and generates an image signal of the interpolation line (2), and inputs it to the recording section 12 through the OR gate 19 as a recorded image signal p.

ついでタイミング制御部15から読み出し信号iと信号
jが出され、ラインメモリ13よりライン■の画信号が
出力され、これはANDゲート22とORゲート19を
経由し記録画信号pとして記録部12に入力される。
Next, the timing control unit 15 outputs the readout signal i and the signal j, and the line memory 13 outputs the image signal of the line ■, which is sent to the recording unit 12 as the recorded image signal p via the AND gate 22 and the OR gate 19. is input.

以下同様の動作により、受信したライン■、■。Following the same operation, received lines ■ and ■.

■、■・・・と内挿ライン■、■、■・・・が交互に記
録される。
■, ■... and interpolation lines ■, ■, ■... are recorded alternately.

第6図は上記予測部16の一例を示すブロック図である
。31は内挿ラインの前の受信ライン(入力ライン)の
画信号がORゲート18からシリアルに入力される端子
、32は内挿ラインの後の受信ラインの画信号かAND
ゲー)20からシリアルに入力される端子である。33
と34は3ビ、トのシフトレジスタであり、端子31と
32より入力されるシリアル画信号をパラレル画信号(
3ビツト)に変喚して組合せ回路35に入力する。即ち
第6図において、内挿ライン上の注目画素Xと隣接する
前ライン上の3画素A、B、C1後ライン上の注目画素
Xと隣接する3画素り、E。
FIG. 6 is a block diagram showing an example of the prediction section 16. 31 is a terminal to which the image signal of the reception line (input line) before the interpolation line is serially inputted from the OR gate 18, and 32 is the image signal of the reception line after the interpolation line or the AND terminal.
This is a terminal for serial input from the game console 20. 33
and 34 are 3-bit shift registers, which convert serial image signals input from terminals 31 and 32 into parallel image signals (
3 bits) and input to the combinational circuit 35. That is, in FIG. 6, three pixels A, B, C on the previous line adjacent to the pixel of interest X on the interpolation line, three pixels E adjacent to the pixel of interest X on the rear line.

Fの画信号が組合ぜ回路36に人力さ几る。The image signal F is sent to the combination circuit 36 manually.

次の表1は組合せ回路36の真J′ili値表である。The following Table 1 is a true J'ili value table for the combinational circuit 36.

表 1 注1)※はDodt Careである。Table 1 Note 1) * indicates Dodt Care.

注2)表に示されていない入力条 件ではX=O(白)である。Note 2) Input conditions not shown in the table In this case, X=O (white).

この真理値表から明らかなように、組合せ回路35の出
力信号が1になるのは、つまり内挿ライン上の注目画素
Xが黒画素とされるのは、隣接画素A−Fが第7図(a
)〜(1)の何れかに示す状態の場合である。なお、第
7図において、斜線を施した画素は黒画素、○を記入し
た画素は白画素または黒画素(Don’t Care)
である。
As is clear from this truth table, the reason why the output signal of the combinational circuit 35 becomes 1, that is, the reason why the pixel of interest X on the interpolation line is a black pixel is because the adjacent pixels A to F are (a
) to (1). In addition, in FIG. 7, the pixels with diagonal lines are black pixels, and the pixels with circles are white pixels or black pixels (Don't Care).
It is.

このようなルールに従って、予測部14は前後メ入カラ
イ゛ンの6画素A=Fの状態から内挿ライン上の各画素
の状態を予測するから、従来よりはるかに高い予測連中
率を得られ、その結果、記録再生画像の画質が従来より
も大幅に向上する。
According to these rules, the prediction unit 14 predicts the state of each pixel on the interpolation line from the state of 6 pixels A = F of the preceding and main lines, so it can obtain a much higher prediction success rate than before. As a result, the quality of recorded and reproduced images is significantly improved compared to the conventional technology.

以上、−実症例につき詳細に説明したが、本発明は同実
症例の構成のみに限定されるものではなく、適宜変形し
て実施できるものである。また、本発明はファクシミリ
装置以外の画像処理機器にも同様に適用できるものであ
る。
Although the actual case has been described in detail above, the present invention is not limited to the configuration of the same actual case, and can be implemented with appropriate modifications. Further, the present invention can be similarly applied to image processing equipment other than facsimile machines.

発明の効果 本発明によれば、内挿ライン上の各画素の状態は上述の
ように前後の入力ライン上の6個の隣接画素の状態から
予測されるから、予測連中率は従来より大幅に向上し、
従って記録(jf生画像の画質を著しく改善できる等の
効果を1:Iられる。
Effects of the Invention According to the present invention, the state of each pixel on the interpolation line is predicted from the states of six adjacent pixels on the previous and succeeding input lines as described above, so the prediction success rate is significantly higher than before. improve,
Therefore, effects such as the ability to significantly improve the image quality of recorded (JF raw images) can be achieved by 1:1.

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

第1図は従来の両信号内挿方式を示す概略ブロック図、
第2図は従来の両信号内挿方式の問題点の説明図、第3
図は本発明の一実施例によるファクシミリ装置の概略ブ
ロック図、第4図は第3図中の各信号のタイミング図、
端5図は第3図中の予測部の一列を示すブロック図、第
6図は内挿ライン上の注目画素と、その状態の予測のた
めに参照される前後人カライン上の隣1妾画素の配置を
示す概念図、第7図は内挿ラインLの注目画素が黒画素
とされる隣接画素の状態を示す概念図である。 11−・・・受信部、12・・・・・記録部、13.1
4・・・・・・ラインメモリ、15・・・・・タイミン
グ制御部、33.34・・・・・レジスタ、35・・・
・・組合せ回路。 第2図 第4図 第6図 第7図
FIG. 1 is a schematic block diagram showing a conventional dual-signal interpolation method.
Figure 2 is an explanatory diagram of the problems of the conventional two-signal interpolation method.
The figure is a schematic block diagram of a facsimile machine according to an embodiment of the present invention, and FIG. 4 is a timing diagram of each signal in FIG.
Figure 5 at the end is a block diagram showing one row of the prediction unit in Figure 3, and Figure 6 shows the pixel of interest on the interpolation line and the adjacent pixel on the front and rear lines that are referred to for predicting its state. FIG. 7 is a conceptual diagram showing the state of adjacent pixels where the pixel of interest on the interpolation line L is a black pixel. 11-... Receiving section, 12... Recording section, 13.1
4...Line memory, 15...Timing control section, 33.34...Register, 35...
...Combination circuit. Figure 2 Figure 4 Figure 6 Figure 7

Claims (1)

【特許請求の範囲】 入力される前後2ライン(入力ラインと称する)の画信
号に1ライン(内挿ラインと称する)の画信号を内挿す
る自信シシ内挿方式であって、上記内挿ライン上の任意
の画素(注口画素と称する)を、(イ)上記前後の各入
力ライン上に上記注目画素と斜め方向に隣接する黒画素
がそれぞれ1個以上存在する、 (ロ) 上記前の入力ライン上に上記注目画素と隣接す
る黒画素が2個以上存在し、かつ上記後の入力ライン上
に上記注目画素と1隣接する黒画素が1個以上存在する
、 (ハ) 上記前の入力ライン」二に上記注目画素と隣接
する黒画素が1個以−り存在し、かつ上記後の入力ライ
ン上に上記注目画素と隣接する黒画素が2個以上存在す
る、 の何れかの場合に黒11jjj素とし、それ以外の場合
に白画素とすることを特徴とする画信号内挿方式。
[Scope of Claims] A self-interpolation method that interpolates an image signal of one line (referred to as an interpolation line) to an input image signal of two lines before and after input (referred to as an input line), An arbitrary pixel on the line (referred to as a spout pixel) is determined by (a) one or more black pixels diagonally adjacent to the pixel of interest on each of the input lines before and after the above, (b) before and after the above. There are two or more black pixels adjacent to the pixel of interest on the input line, and there is one or more black pixels adjacent to the pixel of interest on the input line after the above. In any of the following cases, there is one or more black pixels adjacent to the pixel of interest on the second input line, and there are two or more black pixels adjacent to the pixel of interest on the subsequent input line. An image signal interpolation method characterized in that black pixels are used as 11jjj pixels in other cases, and white pixels are used in other cases.
JP19639183A 1983-10-20 1983-10-20 Picture signal interpolation system Pending JPS6087570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19639183A JPS6087570A (en) 1983-10-20 1983-10-20 Picture signal interpolation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19639183A JPS6087570A (en) 1983-10-20 1983-10-20 Picture signal interpolation system

Publications (1)

Publication Number Publication Date
JPS6087570A true JPS6087570A (en) 1985-05-17

Family

ID=16357087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19639183A Pending JPS6087570A (en) 1983-10-20 1983-10-20 Picture signal interpolation system

Country Status (1)

Country Link
JP (1) JPS6087570A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009122463A1 (en) * 2008-03-31 2009-10-08 富士通株式会社 Image data compression apparatus, decompression apparatus, compression method, decompression method, and program

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5135215A (en) * 1974-09-20 1976-03-25 Tokyo Shibaura Electric Co
JPS56132867A (en) * 1980-03-24 1981-10-17 Ricoh Co Ltd Picture smoothing system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5135215A (en) * 1974-09-20 1976-03-25 Tokyo Shibaura Electric Co
JPS56132867A (en) * 1980-03-24 1981-10-17 Ricoh Co Ltd Picture smoothing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009122463A1 (en) * 2008-03-31 2009-10-08 富士通株式会社 Image data compression apparatus, decompression apparatus, compression method, decompression method, and program
JP4756665B2 (en) * 2008-03-31 2011-08-24 富士通株式会社 Image compression apparatus, restoration apparatus, compression method, restoration method, and program
US8411976B2 (en) 2008-03-31 2013-04-02 Fujitsu Limited Image data compression apparatus, decompression apparatus, compressing method, decompressing method, and storage medium

Similar Documents

Publication Publication Date Title
EP0733981B1 (en) Digital signal processing method and apparatus
JP2592378B2 (en) Format converter
JPS62190994A (en) Signal interpolating device for color difference line sequential video signal
JPH0681304B2 (en) Method converter
JPS6087570A (en) Picture signal interpolation system
US4908614A (en) Image data output apparatus
US5027209A (en) Interpolation circuit for digital signal processor
JPS63166369A (en) Mobile vector detection circuit
JPH05103229A (en) Ghost-noise removing circuit of image processing system
JPS6020680A (en) Picture processing method
JPS60256286A (en) Transmission system of television signal
JPS6120034B2 (en)
JPH0573316B2 (en)
JPS61224661A (en) Picture reader
JPS60145767A (en) Picture recording system
JPS59226571A (en) Printer of television receiver
JP3976388B2 (en) Memory control device
JP2707666B2 (en) Playback device
JPH04119084A (en) Field interpolation circuit
JPH01112327A (en) Memory
JPS61140289A (en) High efficient coding method of television signal
JPS6225565A (en) Picture information reproducing system for improving picture-quality
JPH07312759A (en) Reproducing device for stereoscopic image
JPS63242069A (en) Video signal processing circuit
JP2000101974A (en) Reproducing device and its method