JPS59122189A - Still system of television picture - Google Patents

Still system of television picture

Info

Publication number
JPS59122189A
JPS59122189A JP57229069A JP22906982A JPS59122189A JP S59122189 A JPS59122189 A JP S59122189A JP 57229069 A JP57229069 A JP 57229069A JP 22906982 A JP22906982 A JP 22906982A JP S59122189 A JPS59122189 A JP S59122189A
Authority
JP
Japan
Prior art keywords
picture
scanning line
picture signal
vss
reproduction
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
JP57229069A
Other languages
Japanese (ja)
Inventor
Tsutomu Imafuku
今福　力
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP57229069A priority Critical patent/JPS59122189A/en
Publication of JPS59122189A publication Critical patent/JPS59122189A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate

Abstract

PURPOSE:To obtain a still picture and a slow reproducing picture without any blurring even for a photographed picture of a high speed moving body by taking the unit of picture reproduction as one scanning line group for reproducing repetitively the unit. CONSTITUTION:In case of still picture reproduction, a picture signal A of one scanning line group of a reproduced screen is transmitted repetitively from a picture signal reproducer (VTR) to a picture signal synchronizing device A (VSS). The VSS receiving this picture signal converts this picture signal and the picture signal of one frame screen is formed by interlacing of N-scanning line groups and the result is transmitted to a picture reproducer TV. The TV receiving the picture signal from the VSS reproduces the picture. In case of slow reproduction, the picture signal of each scanning line group is transmitted sequentially to the VSS by M times each when the reproducing speed ratio is 1/M in comparison with the conventional speed. The TV reproduces the picture same as the case with the reproduction of the still picture.

Description

【発明の詳細な説明】 本発明は画面１フレームを複数の走査線群のインターレ
ースによシ得るテレビジョン画像再生方式に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a television image reproduction system in which one screen frame can be interlaced with a plurality of scanning line groups.

従来この種の可成方式は、複数の走査線群のインターレ
ースにより得られた１フレームを画面再生の単位として
いだが、静止及びスロー再生など同一画面を繰シ返し再
生する必要がある場合、高速移動物体を撮影した画面で
は、画像のプレが発生する欠点があった。Conventionally, this type of reconfigurable method uses one frame obtained by interlacing multiple scanning line groups as a unit of screen playback, but when the same screen needs to be played repeatedly, such as in static or slow playback, high-speed Screens that capture images of moving objects have the disadvantage that image distortion occurs.

本発明の目的は、画像再生単位を１走査線群（ｌフィー
ルド）とし、静止画及びスロー再成時に同一画面を複数
回可成する必要がある場合、可成単位を複数回連続再生
することにより上記欠点を除去し、完全に静止した画像
及び滑らかなスローモーション再生画像を行なうテレビ
ジョン画像静止方式を提供することにある。An object of the present invention is to use one scanning line group (l field) as an image reproduction unit, and to continuously reproduce the scanned unit multiple times when it is necessary to reproduce the same screen multiple times during still image and slow-motion reproduction. The object of the present invention is to provide a television image stilling method that eliminates the above-mentioned drawbacks and allows completely still images and smooth slow-motion reproduction images.

本発明のテレビジョン画像静止方式は、画像再生単位に
走査線群を用い、画像を静止させる方法としてｌ走査線
群の繰シ返し走査を用いることによ多画像を静止させる
ことを特徴とし、スロー再生の場合、各走査線群を再生
速度に応じて順次複数回ずつ再生することによりスロー
再生するものである。The television image stilling method of the present invention is characterized in that multiple images are frozen by using a scanning line group as an image reproduction unit and using repeated scanning of one scanning line group as a method for freezing the image, In the case of slow playback, slow playback is performed by sequentially playing back each scanning line group multiple times depending on the playback speed.

次に図面を参照して本発明の実於例について説明する。Next, an example of the present invention will be described with reference to the drawings.

図１は本発明の一実施例を示すブロック図であシ、画像
信号再生装置（ＶＴＲ）、画像信号同期装置（ＶＳＳ）
と再像可成装置（ＴＶ）を含み構成される。FIG. 1 is a block diagram showing an embodiment of the present invention, including a video signal reproducing device (VTR) and a video signal synchronizing device (VSS).
and a reimager (TV).

次に動作を説明する。Next, the operation will be explained.

ここで前提争件として画面１フレームはＮ個の走査線群
のインターレースによシ構成されるものとする。Here, as a precondition, it is assumed that one frame of the screen is composed of an interlace of N scanning line groups.

まず静止画像再生の場合は、ＶＴＲから再生画面の１走
査線群の画像信号を繰シ返しＶＳＳへ送出−する。画像
信号を受けたＶＳＳはこの画像信号を変換し、Ｎ個の走
査線群のインターレースによ多画面１フレームの画像信
号とし、ＴＶへ送出する。ＶＳＳからの画像信号を受け
たＴＶは、画像を再生する。First, in the case of still image reproduction, the image signal of one scanning line group of the reproduced screen is repeatedly sent from the VTR to the VSS. The VSS that receives the image signal converts this image signal, interlaces N scanning line groups into a multi-screen one frame image signal, and sends it to the TV. The TV that receives the image signal from the VSS reproduces the image.

また、スロー再生の場合は、ＶＴＲは再生速度比が通常
の１／Ｍ　の場合、各走査線群の画像信号をＭ回ずつ順
次■ＳＳへ送出する。その稜の動作は静止画像再生の場
合と同様である。In addition, in the case of slow playback, when the playback speed ratio is 1/M, the VTR sequentially sends the image signals of each scanning line group M times to SS. The operation of the edge is similar to that for still image reproduction.

なお、図中■は走査線群画像信号、■はＶＳＳより変換
された走査線群画像信号、◎はＴＶでの画面走査と表わ
している。In the figure, ■ indicates a scanning line group image signal, ■ indicates a scanning line group image signal converted from VSS, and ◎ indicates screen scanning on a TV.

本発明は、以上説明したように、画像再生単位を１走査
線群として、繰シ返し可成することによシ、高速移動物
体の撮影画像であっても「ブレ」のない静止画像、スロ
ー再生画像を得ることを可能とする効果がある。As explained above, the present invention allows image reproduction to be performed repeatedly using one scanning line group, thereby producing still images without "shake" even in images of high-speed moving objects. This has the effect of making it possible to obtain a reproduced image.

【図面の簡単な説明】 図は本発明の一実施例を示すブロック図である。 ＶＴＲ・・・・・・画像信号再生装置、ＶＳＳ・・・・
・・画像信号同期装置、ＴＶ・・・・・・画像可成装置
。 代理人　弁理士　　内　原　　　１　　°パ・易、 崎　−／ ■　　　　　■BRIEF DESCRIPTION OF THE DRAWINGS The figure is a block diagram showing an embodiment of the present invention. VTR... Image signal reproducing device, VSS...
...Image signal synchronization device, TV... Image generation device. Agent Patent Attorney Uchihara 1 °Pa・Yi, Saki −/ ■ ■

Claims (1)

【特許請求の範囲】[Claims] 画面１フレームの走査線を複数の走査線群（フィールド
）のインターレースによシ得るテレビジョン方式におい
て、単一走査線群の繰シ返し走査を特徴とするテレビジ
ョン画像静止方式。A television image stilling system characterized by repeated scanning of a single scanning line group in a television system in which the scanning lines of one screen frame are interlaced with a plurality of scanning line groups (fields).
JP57229069A 1982-12-28 1982-12-28 Still system of television picture Pending JPS59122189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57229069A JPS59122189A (en) 1982-12-28 1982-12-28 Still system of television picture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57229069A JPS59122189A (en) 1982-12-28 1982-12-28 Still system of television picture

Publications (1)

Publication Number Publication Date
JPS59122189A true JPS59122189A (en) 1984-07-14

Family

ID=16886245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57229069A Pending JPS59122189A (en) 1982-12-28 1982-12-28 Still system of television picture

Country Status (1)

Country Link
JP (1) JPS59122189A (en)

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