JPS6194482A - Video camera for monitor - Google Patents
Video camera for monitorInfo
- Publication number
- JPS6194482A JPS6194482A JP59215430A JP21543084A JPS6194482A JP S6194482 A JPS6194482 A JP S6194482A JP 59215430 A JP59215430 A JP 59215430A JP 21543084 A JP21543084 A JP 21543084A JP S6194482 A JPS6194482 A JP S6194482A
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- Prior art keywords
- video camera
- camera
- change
- horizontal
- image
- Prior art date
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Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、監視用ビデオカメラに関するものである。[Detailed description of the invention] Industrial applications The present invention relates to a surveillance video camera.
従来例の構成とその問題点
従来の監視用ビデオカメラシステムの構成を第１図、第
２図に示す。第１図は監視用ビデオカメラシステムの基
本構成を示す図であシ、ビデオカメラ１に映った画像は
録画動作を続けている畏時間録画用ビデオテープレコー
ダ２に録画される。Configuration of a conventional example and its problems The configuration of a conventional surveillance video camera system is shown in FIGS. 1 and 2. FIG. 1 is a diagram showing the basic configuration of a surveillance video camera system. Images captured by a video camera 1 are recorded on a time recording video tape recorder 2 which continues recording operations.
一般的な使用例を第３図に示す。第３図にてビデオカメ
ラ４は、支持台５を経て璧（斜線部）に取り付けられて
いる。長時間録画用ビデオテープレコーダ６は、録画状
態で動作し、ビデオカメラ４の撮像範囲α内の画像を録
画する。また第２図は、第１図の構成にビデオカメラ移
動装置３を追加したものであり、撮像範囲が第１図の構
成のものに比べて拡大する。ビデオカメラ移動装置３は
、ビデオカメラ１を水平方向で、ある角度をもった範囲
内を反復しながら移動させるものである。第４図に、第
２図構成の使用例を示す。ビデオカメラ７は、ビデオカ
メラ移動装置（図示せず）によシ撮像範囲βがβ′から
！にまで拡大する。第４図構成において被写体（侵入者
）が、撮像範囲β′に存在してもビデオカメラ７は被写
体（侵入者）に向かって固定されず、被写体（侵入者）
だけ撮像することはできなく、かつ、被写体（侵入者）
を捕えてもそれが、ビデオカメラ７から遠くに存在して
いると詳細に撮影できないという欠点があった。A typical usage example is shown in FIG. In FIG. 3, the video camera 4 is attached to a wall (shaded area) via a support stand 5. The long-time recording video tape recorder 6 operates in a recording state and records images within the imaging range α of the video camera 4. Further, FIG. 2 shows a configuration in which a video camera moving device 3 is added to the configuration shown in FIG. 1, and the imaging range is expanded compared to the configuration shown in FIG. The video camera moving device 3 moves the video camera 1 in a horizontal direction repeatedly within a range having a certain angle. FIG. 4 shows an example of how the configuration shown in FIG. 2 is used. The video camera 7 is moved from β' to β' by a video camera moving device (not shown). expand to. In the configuration shown in FIG. 4, even if the subject (intruder) is present in the imaging range β', the video camera 7 is not fixed toward the subject (intruder);
It is not possible to image only the subject (intruder), and the subject (intruder)
Even if it is captured, if it is located far away from the video camera 7, there is a drawback that it cannot be photographed in detail.
発明の目的
本発明は、監視用ビデオカメラシステムの前述の問題点
を除き、移動する被写体（侵入者）が存在すれば、その
被写体（侵入者）に向ってビデオカメラを移動させ、移
動する被写体（侵入者）をビデオカメラの撮像の中央に
位置させるととも（（、ズームアツプしてその被写体像
を大きく写すことを目的とする。Purpose of the Invention The present invention eliminates the above-mentioned problems of the surveillance video camera system, and provides a video camera that moves the video camera toward the moving subject (intruder) if there is a moving subject (intruder), and captures the moving subject. The aim is to position the (intruder) at the center of the video camera's image and zoom in to capture a larger image of the subject.
発明の構成
本発明の構成は、通常の監視状態の画像を記憶し、この
画像と現在の画像を比較して画像の変化を検出すること
で、移動物体を認識する。撮像範囲内をＮ個のエリアに
分け、この中で変化したエリアを上記のように決定して
、変化の生じた工ｌ）アに対応するデータを、データ記
憶回路から取り出し、ビデオカメラを変化の生じたエリ
アに向けて移動させ、必要に応じてズーム量を変えた時
に、マルチトラック記録装置に記録するものである。Configuration of the Invention The configuration of the present invention recognizes a moving object by storing an image in a normal monitoring state and comparing this image with a current image to detect a change in the image. Divide the imaging range into N areas, determine the changed area as described above, retrieve the data corresponding to the area where the change occurred from the data storage circuit, and change the video camera. The object is moved toward the area where the image is generated, and when the zoom amount is changed as necessary, the image is recorded on the multi-track recording device.
実施例の説明
本発明の原理を第５図ａ −ｄで説明すると、ビデオカ
メラ移動装置１６にとシっけられたビデオカメラ１４は
、初期状態である水平、垂直方向。DESCRIPTION OF THE PREFERRED EMBODIMENTS The principle of the present invention will be explained with reference to FIGS. 5a-d. The video camera 14, which is placed on the video camera moving device 16, is in its initial state horizontally and vertically.
ズーム量を変え、撮像範囲ｒの画像を撮象する（第５図
ａ）（説明簡素化のため背景は省略する。）撮像範囲γ
に今まで存在しなかった被写体１了が入るとビデオカメ
ラ１４には、被写体１°了が第５図すのように映る。第
５図ａの画像１５＆と第６図すの画＠１５ｂよシ変化を
検出し、ビデオカメラ移動制御回路によシビデオカメラ
１４を被写体１７に向って移動させて、被写体１７が撮
像素子１５０の中央部分て映るように移動させ、撮像範
囲γを第５図ｄに示すようにγ′に狭めて撮像体表面１
６ｄいっばいに被写体１７をズームアツプする。Change the zoom amount and capture an image in the imaging range r (Fig. 5a) (The background is omitted to simplify the explanation.) Imaging range γ
When a subject 1 degree, which has not existed before, enters the video camera 14, the subject 1 degree appears as shown in FIG. Detecting the change between the image 15& in FIG. 5a and the image @15b in FIG. , and narrow the imaging range γ to γ' as shown in FIG.
6d Zoom in on the subject 17 at once.
以下本発明の一実施例を説明する。An embodiment of the present invention will be described below.
第６図に本発明構成による監視用ビデオシステムの構成
図を示す。ビデオカメラ１ｏはビデオカメラ移動装置１
２に取付けられ後述する、ビデオカメラ移動制御回路１
１により水平、垂直方向に移動し、かつ、レンズ移動機
構によシいわゆるズーム量を変化させる。FIG. 6 shows a configuration diagram of a surveillance video system according to the present invention. Video camera 1o is video camera moving device 1
Video camera movement control circuit 1, which is attached to 2 and will be described later.
1, the lens is moved horizontally and vertically, and the so-called zoom amount is changed by the lens moving mechanism.
第７図にビデオカメラ移動制御回路の構成図、第８図に
第７図構成における、水平方向移動の動作波形図、第９
図に第７図構成における、垂直方向移動の動作波形図、
第１０図に変化したエリアを検出し、そのエリアを示す
説明図、第１１図に第７図記載のデータ記憶回路のデー
タ格納部分の拡大図をそれぞれ示す。第７図で、ビデオ
カメラ出力を低域ろ過器２ｏで色副般送波信号を除去し
輝度信号とし、半導体メモリで構成する画像記憶装置２
１によシ基準画像として、１フレーム記憶する。この画
像記憶装置２１で記憶の基準画像信号＆とビデオカメラ
出力信号すを比較器２２で比較し、基準画像信号ａとビ
デオカメラ出力信号すの差信号Ｃを得る。この差信号Ｃ
は、低域ろ過器２９で帯域制限した後（信号ｄ）、コン
パレータ３ｏでディジタル化し、水平方向の差信号のパ
ルスｅと垂直方向の差信号のパルスｆを出力する。Fig. 7 is a configuration diagram of the video camera movement control circuit, Fig. 8 is an operation waveform diagram of horizontal movement in the configuration shown in Fig. 7, and Fig. 9
The figure shows an operational waveform diagram of vertical movement in the configuration shown in Figure 7.
FIG. 10 is an explanatory diagram showing detected areas that have changed, and FIG. 11 is an enlarged view of the data storage portion of the data storage circuit shown in FIG. 7. In FIG. 7, a low-pass filter 2o removes the color sub-transmission signal from the video camera output to generate a luminance signal, and an image storage device 2 constituted by a semiconductor memory.
1, one frame is stored as a reference image. A comparator 22 compares the reference image signal & stored in the image storage device 21 with the video camera output signal S to obtain a difference signal C between the reference image signal a and the video camera output signal S. This difference signal C
After band-limiting (signal d) by a low-pass filter 29, it is digitized by a comparator 3o, and outputs a horizontal difference signal pulse e and a vertical difference signal pulse f.
まだ前記ビデオカメラ出力信号すは同期分離回路２４で
、水平同期信号ｇと垂直同期信号りに分離する。これを
もとに水平方向は、水平クロック回路２５により１水平
走査期間（水平同期信号期間は除く）を４分割、また垂
直方向は、垂直クロック回路２６で１垂直走査期間（垂
直同期信号期間は除く）を４分割し、画面全体を１６分
割する。The video camera output signal is separated into a horizontal synchronization signal g and a vertical synchronization signal by a synchronization separation circuit 24. Based on this, in the horizontal direction, the horizontal clock circuit 25 divides one horizontal scanning period (excluding the horizontal synchronizing signal period) into four, and in the vertical direction, the vertical clock circuit 26 divides one vertical scanning period (the vertical synchronizing signal period is divided into four). ) is divided into 4 parts, and the entire screen is divided into 16 parts.
すなわち、水平方向にＨｌ、 Ｂ２． Ｂ３． Ｈ４，
垂直方向ばＹ１＋ Ｙ２ 、 Ｙｓ 、 Ｙａの、おの
おの位相の違うパルスを発生する。水平方向変化検出回
路２７には、前記ディジタル化した水平方向の差信号の
パルスｅ、垂直方向変化検出回路２８には、前記ディジ
タｌし化した垂直方向の差信号のパルスｆが送られ、検
出回路のアンド回路で、前記位相の違うパルスＨ１〜Ｈ
４，Ｙ、〜Ｙ４でアンドを取り、水平方向にム１＋ Ａ
２＋ Ａ３＋ Ａ４ ｒ垂直方向にＢ、 、 Ｂ２．
Ｂ、、 Ｂ４として出力する。データ記憶回路３１は、
この出力信号Ａ１ｒ Ａ２ ｒ ＡＳ ｒ人。、 Ｂ、
、 Ｂ２． Ｂ、、 Ｂ４の８ビツトをアドレスとす
る読み出し専用メモリであり、第１１図に示すように、
２５θ種のデータを持ちそれぞれは、水平方向への移動
量、垂直方向への移動量、ズーム量のデータが格納され
ている。That is, horizontally Hl, B2. B3. H4,
In the vertical direction, pulses Y1+Y2, Ys, and Ya, each having a different phase, are generated. The pulse e of the digitized horizontal difference signal is sent to the horizontal change detection circuit 27, and the pulse f of the digitized vertical difference signal is sent to the vertical change detection circuit 28 for detection. In the AND circuit of the circuit, the pulses H1 to H with different phases are
Take AND with 4, Y, ~Y4, and move horizontally M1 + A
2+ A3+ A4 r Vertically B, , B2.
B,, Output as B4. The data storage circuit 31 is
This output signal A1r A2 r AS r person. ,B,
, B2. It is a read-only memory whose address is 8 bits B, , B4, and as shown in Figure 11,
It has 25θ types of data, each of which stores data on the amount of movement in the horizontal direction, the amount of movement in the vertical direction, and the amount of zoom.
前記アドレスコードによシ読み出されたデータは、水平
方向移動制御回路３２．垂直方向移動制御回路３３．ズ
ーム量制御回路３４で例えば、ＤＣ電工世に変換して各
移動用七−夕をデータに対応して駆動する。The data read by the address code is sent to the horizontal movement control circuit 32. Vertical movement control circuit 33. The zoom amount control circuit 34 converts the data into, for example, DC power and drives each mobile Tanabata in accordance with the data.
第５図への状態で前述の説明のように１画面を第１０図
すのように１６分割して待機状、態となる。In the state shown in FIG. 5, one screen is divided into 16 parts as shown in FIG. 10, as described above, and enters the standby state.
第５図すに示すように、被写体１７が侵入してぐると前
述の説明のように、画像記・億装置２１に記憶された基
準画像信号ａとビデオカメラ出力信号すを比較すると、
差信号Ｃはａｔというパルスとなり、これをコンパレー
タ３ｏで水平方向の差信号のパルスｅｔ、垂直方向の差
信号のパルスｆｔを出力し、これを前記水平方向変化検
出回路２γと垂直方向変化検出回路２８で、被写体１７
の位置を前述の説明のように調べる。水平方向はＡ１゜
Ａ２．垂直方向ばＢ、、Ｂ２で変化が検出され、第１０
図すのエリアδが、変化の生じたエリアとなる。As shown in FIG. 5, when the subject 17 enters and the reference image signal a stored in the image storage device 21 is compared with the video camera output signal as described above,
The difference signal C becomes a pulse at, which is outputted by a comparator 3o as a horizontal difference signal pulse et and a vertical difference signal pulse ft, which are sent to the horizontal change detection circuit 2γ and the vertical change detection circuit. 28, subject 17
Find the location as described above. The horizontal direction is A1°A2. A change is detected in the vertical direction B, , B2, and the 10th
The area δ in the figure is the area where the change has occurred.
水平方向変化検出回路２７では、Ａ、 、 Ａ２． Ａ
５． Ａ４゜垂直方向変化検出回路２８では、Ｂ、、Ｂ
、百、、Ｂ４トイウアドレスコードを出力し、このアド
レスニードに対応するデータ記憶装置３１のテーブル（
第１１図に示す。）から読み出しテーフ諏しデータεを
出力する。このテーフ諏しデータεにより、前記水平、
垂直方向移動制御回路３２．３３、ズーム量制御回路３
４でｎｃ電圧量に変換され、水平方向移動量ｉ、垂垂直
方向移動ココズーム量ｋを出力して第５図Ｃ２第５図ｄ
に示すようにビデオカメラ１４を移動させ、第１０図Ｃ
に示すように、水平方向はＡ１．ム２．垂直方向はＢ４
．Ｂ２が画面いっばいになるようズーム量を変化させる
。さらて第６図の画像記録装置１３に記録することによ
り被写体（侵入者）の形状の判断が容易になるものであ
る。In the horizontal direction change detection circuit 27, A, , A2. A
5. A4° In the vertical direction change detection circuit 28, B, ,B
, 100, , outputs the B4 address code and stores the table (
It is shown in FIG. ) is read out and outputs the tape summation data ε. With this tapered data ε, the horizontal,
Vertical movement control circuit 32, 33, zoom amount control circuit 3
4, it is converted into an NC voltage amount, and outputs the horizontal movement amount i and the vertical movement coco-zoom amount k.
Move the video camera 14 as shown in FIG.
As shown in , the horizontal direction is A1. Mu2. Vertical direction is B4
．． Change the zoom amount so that B2 fills the entire screen. Furthermore, by recording on the image recording device 13 shown in FIG. 6, the shape of the object (intruder) can be easily determined.
さらに画像記録装置１３は、マルチトラックの静止画記
録装置でもよい。ズーム完了パルスをトリガとして１フ
レーム記録し、必要があればストロボを発光させる。Furthermore, the image recording device 13 may be a multi-track still image recording device. One frame is recorded using the zoom completion pulse as a trigger, and a strobe is emitted if necessary.
発明の効果
本発明は、監視用ビデオカメラの撮像範囲に侵入してき
た被写体（侵入者）の形状をより明確。Effects of the Invention The present invention makes the shape of an object (intruder) that has entered the imaging range of a surveillance video camera more clearly.
かつ詳細に知ることができ、また侵入状況状態を再生し
て見る際の再生時間が短縮できる。In addition, the information can be known in detail, and the replay time when replaying and viewing the intrusion situation can be shortened.
第１図、第２図は従来の監視用ビデオカメラシステムの
構成図、第３図は第１図の構成によるシステム説明図、
第４図は第２図の構成によるシステム説明図、第５図ａ
−ｄは本発明の監視用ビデオカメラによる動作説明図
、第６図は本発明の一実ｍ例における監視用ビデオカメ
ラのシステム構 ・成因、第７図は同実施例の構成図
、第８図は第７図の構成の水平方向移動の動作波形図、
第９図は第７図の構成の水平方向移動の動作波形図、第
１０図ａ −ｃは変化したエリアを示す説明図、第１１
図は第７図におけるデータ記憶回路のデータ格納部分の
拡大図である。
１１・・・・・・ビデオカメラ移動制御回路、２１・・
・・・画像記憶装置、２２・・・・・比較器、２４・・
・・同期分離回路、２５・・・・・水平クロック回路、
２６・・・・・・垂直クロック回路、２了・・・・・・
水平方向変化検出回路、２８・・・・・・垂直方向変化
検出回路、２０．２９・・・低域ろ過器、３０・・・・
・・コンパレータ、３１・・・データ記憶回路、３２・
・・・・水平方向移動制御回路。
３３・・・・・・垂直方向移動制御回路、３４・・・・
・ズーム量制御回路、４０・・・・・通常状態の撮像体
表面、４１・・・・・・変化したエリアを拡大した時の
撮像体表面。
代理人の氏名 弁理士 中 尾 敏 男 ｔｌか１名第
１図
第２図
第１０図 ＜（１＞
（ｂ）
（Ｃ）
”４１
第１１図1 and 2 are configuration diagrams of a conventional surveillance video camera system, and FIG. 3 is an explanatory diagram of a system with the configuration shown in FIG.
Figure 4 is an explanatory diagram of the system with the configuration shown in Figure 2, Figure 5a
-d is an explanatory diagram of the operation of the surveillance video camera of the present invention, FIG. 6 is a system configuration of the surveillance video camera in an example of the present invention, and FIG. The diagram is an operation waveform diagram of horizontal movement of the configuration shown in Figure 7.
Fig. 9 is an operation waveform diagram of horizontal movement of the configuration shown in Fig. 7, Fig. 10 a - c are explanatory diagrams showing changed areas, and Fig. 11
The figure is an enlarged view of the data storage portion of the data storage circuit in FIG. 7. 11... Video camera movement control circuit, 21...
...Image storage device, 22...Comparator, 24...
...Synchronization separation circuit, 25...Horizontal clock circuit,
26...Vertical clock circuit, 2 completed...
Horizontal direction change detection circuit, 28...Vertical direction change detection circuit, 20.29...Low pass filter, 30...
...Comparator, 31...Data storage circuit, 32.
...Horizontal movement control circuit. 33... Vertical movement control circuit, 34...
- Zoom amount control circuit, 40...Surface of the imaging body in normal state, 41...Surface of the imaging body when the changed area is enlarged. Name of agent Patent attorney Toshio Nakao TL or one person Figure 1 Figure 2 Figure 10 <(1> (b) (C) ”41 Figure 11
Claims (2)
記憶した画像を基準画像としビデオカメラ出力画像と比
較する手段と、画像内容の変化を検出する手段と、前記
監視範囲全体の基準画像を水平方向にＮ＿１、垂直方向
にＮ＿２のＮ＿１×Ｎ＿２のエリアに分け、画像内容の
変化したエリアを検出する手段と、ビデオカメラを水平
・垂直方向に振る操作手段と、ズームを変化させる手段
と、変化の生じたエリアに対応した前記振る操作及びズ
ーム量のデータの格納手段より格納されたデータを読み
出す手段とを備え、ビデオカメラの監視範囲の中から変
化の生じた部分を検出し、その部分にビデオカメラを向
け、また、その部分を大きく写すことを特徴とする監視
用ビデオカメラ。(1) Having a storage means for storing images of the entire monitoring range,
means for comparing the stored image with a video camera output image using the stored image as a reference image; means for detecting a change in image content; A means for detecting an area where the image content has changed, a means for operating the video camera in horizontal and vertical directions, a means for changing the zoom, and a means for controlling the shaking operation and the amount of zoom corresponding to the area where the change has occurred. means for reading out the stored data from the data storage means, detecting a portion where a change has occurred within the monitoring range of the video camera, directing the video camera to the portion, and photographing the portion in a larger size. Features of surveillance video cameras.
る手段が、ビデオカメラ出力を輝度信号と色信号に分け
、色信号は２種類の色差信号を１水平走査期間毎に交互
に、多重化した色差線順次の色信号とし、これをＦＭ変
調し前記輝度信号も同様にＦＭ変調し、磁気記録媒体に
記録するマルチトラック記録装置を用いることを特徴と
する特許請求の範囲第１記載の監視用ビデオカメラ。(2) A means for recording a subject photographed in a large size by a video camera divides the video camera output into a luminance signal and a color signal, and the color signal is a color difference signal that is multiplexed by alternating two types of color difference signals every horizontal scanning period. The surveillance video according to claim 1, characterized in that a multi-track recording device is used which generates a line-sequential color signal, performs FM modulation on this, and similarly performs FM modulation on the luminance signal, and records the same on a magnetic recording medium. camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59215430A JPS6194482A (en) | 1984-10-15 | 1984-10-15 | Video camera for monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59215430A JPS6194482A (en) | 1984-10-15 | 1984-10-15 | Video camera for monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6194482A true JPS6194482A (en) | 1986-05-13 |
Family
ID=16672203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59215430A Pending JPS6194482A (en) | 1984-10-15 | 1984-10-15 | Video camera for monitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6194482A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6361588A (en) * | 1986-09-01 | 1988-03-17 | Matsushita Electric Ind Co Ltd | Monitoring device |
| JPH0390181U (en) * | 1989-12-27 | 1991-09-13 | ||
| JPH04104684A (en) * | 1990-08-24 | 1992-04-07 | Kanda Tsushin Kogyo Co Ltd | Method and device for automatic visual field adjustment |
| JPH0854667A (en) * | 1994-07-18 | 1996-02-27 | Samsung Aerospace Ind Ltd | Automatic monitoring equipment |
| JP2006137426A (en) * | 2004-11-12 | 2006-06-01 | Honda Motor Co Ltd | Wall structure of vehicle frame between cab and load carrying bed |
| DE102008015221A1 (en) | 2007-03-22 | 2008-09-25 | Suzuki Motor Corp., Hamamatsu | Structure of a rear portion of a motor vehicle body |
-
1984
- 1984-10-15 JP JP59215430A patent/JPS6194482A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6361588A (en) * | 1986-09-01 | 1988-03-17 | Matsushita Electric Ind Co Ltd | Monitoring device |
| JPH0390181U (en) * | 1989-12-27 | 1991-09-13 | ||
| JPH04104684A (en) * | 1990-08-24 | 1992-04-07 | Kanda Tsushin Kogyo Co Ltd | Method and device for automatic visual field adjustment |
| JPH0854667A (en) * | 1994-07-18 | 1996-02-27 | Samsung Aerospace Ind Ltd | Automatic monitoring equipment |
| JP2006137426A (en) * | 2004-11-12 | 2006-06-01 | Honda Motor Co Ltd | Wall structure of vehicle frame between cab and load carrying bed |
| DE102008015221A1 (en) | 2007-03-22 | 2008-09-25 | Suzuki Motor Corp., Hamamatsu | Structure of a rear portion of a motor vehicle body |
| JP2008230518A (en) * | 2007-03-22 | 2008-10-02 | Suzuki Motor Corp | Rear part vehicle body structure for vehicle |
| US7806467B2 (en) | 2007-03-22 | 2010-10-05 | Suzuki Motor Corporation | Structure of rear portion of car body |
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