JPS58105679A - Image pickup monitoring device - Google Patents

Abstract

PURPOSE:To quickly and correctly project a specific subject to be monitored on the center of the picture at an appropriate scale factor through a simple operation, by installing a means which designates a specific position in a picked up picture and another means which detects the swinging direction of a pickup device and a scale factor. CONSTITUTION:An ITV camera 1 is controlled of its direction, dip, and the scale factor by a driving circuit 2 which is controlled by a driving controlling circuit 83 in a controlling circuit 7, and projects a prescribed picture to be monitored on a monitor 4. A cursol displaying circuit 5 displays a cursol at an optional position in the picture on the monitor 4 by operating a cursol shifting joy stick 6, and, at the same time, sends the position inofrmation to the controlling circuit 7. The operator of this device operates the ITV1 through a mannual operating device 78 and turns on a switch 79a after fitting the cursol to a specific object to be monitored in the picture on the monitor 4. The controlling circuit 7 controls the driving device 2 so that a picture of a prescribed scale factor which uses the position of the cursol as the center is obtained on the monitor 4, based on the information from an ITV position detecting circuit 3, the position information of the cursol, and the scale factor information from a reference value setting device 77.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to an improvement in an image capturing and monitoring device for monitoring the internal state of a factory during road traffic conditions while changing the rotation direction and magnification of the image capturing device.

1110 Technical background and point of view Conventionally, this type of monitoring device generally requires an operator to manually remotely control the rotation direction and magnification of the imaging device.
The system is configured to display a desired imaging range on a monitor device and monitor the situation.

For example, if you need to zoom in on a specific monitoring target on the image capture screen, you can use MO! ! It is necessary to manually control the rotation direction and magnification of the imaging device while visually observing the imaging screen of the device to obtain the desired image, which results in a lot of time and effort being lost in the process of obtaining the desired image. As a result, the monitoring efficiency is extremely low.Also, since time is stored like in the case of Kamiayu, there are problems such as the subject being monitored moves to another position while the desired screen is being obtained. The monitoring performance was low.

OBJECT OF THE INVENTION The present invention provides an imaging monitoring system that enables a specific monitoring target on an imaging screen to be quickly and accurately projected at the center of the screen at an appropriate magnification with a simple operation, thereby improving monitoring performance. It provides equipment.

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides means for specifying a specific position in the imaging screen and means for detecting the rotation direction and magnification of the imaging device. The driving device for controlling the turning direction of the imaging device is controlled to compare the turning direction information output from the means for specifying the specific position with the position specifying information outputted from the means for specifying the specific position, and the driving device for controlling the turning direction of the imaging device is controlled to make the difference zero. The magnification information detected by the means for detecting is compared with the reference magnification information set in advance, and the driving device for controlling the magnification of the imaging device is driven and controlled to make the difference zero, thereby performing the above-mentioned imaging. Monitoring information displayed at a specific position on the picture circular is automatically enlarged and displayed in the center of the screen, for example.

Embodiment of the Invention FIG. 1 is a block diagram of an imaging monitoring device according to an embodiment of the present invention, where ■ indicates a location where the monitored object can be directly imaged;
For example, in the case of monitoring road traffic conditions, the imaging unit is installed on a pole lining on the side of the road, and the symbol ■ indicates a monitoring unit installed at a monitoring center or the like.

The imaging unit I includes an industrial television (ITV) camera 1 for capturing images of a monitoring target, a drive device 2 for varying the rotation direction (azimuth and depression angle) and magnification of this ITV camera 1, and a drive device 2 for varying the rotation direction (azimuth and depression angle) and magnification of this ITV camera 1. It is comprised of a detection concave path 3 for detecting the rotation direction and magnification of the ITV camera 1 by means of potentiometers 31, 32 and 33 attached to the device 2, respectively.

On the other hand, the monitoring unit (2) includes a screen editor 4 for displaying the multiplication video signal obtained by the ITV camera 1, and a monitor device fli4 for superimposing a cursor on the video signal for specifying a position on the display screen. Round cursor display circuit 5
, an a*nea circuit for moving the display position of the cursor, and an a*nea circuit for controlling the rotation direction and magnification of the IW camera 1 by issuing a drive control signal to the drive device jK. It consists of 1.

The cursor display circuit l receives a horizontal synchronization signal from the video signal which can be outputted from the ITV camera l on the one hand, and the ITV camera l.
The 11 synchronization signal is separated and extracted by the synchronization separation circuit 11 and counted by the H counter 11 and the V-column lumi g, and each count value is used as the display screen IIO address information by the comparator 14.
is leading to. The cursor display circuit 5 is
%A, the output voltage of the istic circuit dO metensi, yme III, 61 is converted into 1 converter ix, i- to obtain horizontal position designation information and straight position brown determination information,
Each of these pieces of information is introduced into the comparator 14. The comparator 54 compares each of the position designation information with the address information, and when they match, a match signal is generated to drive the cursor generator 51, and the cursor generator 5r generates a cross-shaped cursor, for example. The signal is superimposed on the video signal from the ITV camera 1 by the construction circuit 5# and supplied to the monitor 1114 for display. Note that the black and ray generator 19 generates black and black pulses from the horizontal synchronizing signal and generates ζO/E'! 111J1/u is used to configure the operation of the yri/narse H counter 12 and the cursor generation @sr. Further, the settings in the index circuit J1 are for setting whether or not to display the 9sui, ss*/ri and cursor.

Now, each of the control circuit, 1 mori, and the detection (b) path S has 4 terminals.
A/Dig converters FJ, Fz that digitize the output pressures of the pressure meters II, II, and IIO, respectively.

13, and each of these players rz, rx.

A comparator F4.7J#r- provided corresponding to 11,
Reference value setting ehvr for setting reference and freezing magnification information,
Switching to selectively output the manual operation @yg, the control signal output from this manual operating device 11, and the comparison control signal output from each of the above comparisons sr4*ygeyg via the drivers 110, 81°al. 11 and this cut! ! I! Vessel 7
The drive control circuit 11 generates a drive control signal in accordance with the control signal supplied from the input signal P and controls the drive FE device 2 . Then, the following control operations are performed.

(1) Among the detection information detected by the detection circuit 1, the azimuth information and depression angle information that constitute the turning direction information can be specified by the steering circuit 6, and the horizontal and vertical positions can be specified. Constant information and comparison! Vessel F4. Compare FJ and make the difference 1i to reduce the difference to zero! IIIJ control signal is generated.

Also, the magnification information of each of the detection information O is compared with the magnification information preset in the reference value setting 17 using the comparator r6, and the comparison control signal is generated to make the difference zero. Then, using the manual operation device 1#, for example, magnified comparison control information for a specific object to be monitored is passed through the switch 19 and supplied to the drive control circuit alk, and this circuit 11 generates a drive control signal to drive the drive device. This action controls the azimuth, angle of depression, and magnification of the ITV camera 1, respectively.

(11) According to the switch 19 provided with the switch 19, when the manual operating device 1# is connected to the drive lll1ll1D circuit IJ, the signal generated by the operation of the manual operating device r1 /4- is The control signal is sent to the drive control circuit 13 via the switch 1#.
A drive control signal is generated from the O circuit 1J to drive the drive device 1, thereby controlling the azimuth, depression angle, and doubling angle of the ITV camera l.

Next, the operation of the device configured as described above will be explained by station. First, switch @r1 switch yta and manual operator 7J
When the sea bream is kept in the drive control enclosure 13, the manual control signal from the manual operating device 1a is supplied to the drive control circuit IJK until then, and the nine drive control signals are generated from the drive control circuit #1 accordingly. Then, the drive device 2 is driven. Hey there,
The azimuth, depression angle, and magnification of the 1Tv force meter 1 change according to the operation of the manual operation device FJO.

This results in manual operation! +1 by operating 11 appropriately
ios- on the monitor device 4 and monitor it. For example, if you place the chest circumference of the ITV camera 1 at the approximate center of the monitoring target and reduce the magnification to a wide angle, the entire area of the monitoring target can be covered. It's sunset and you can see it in the evening. If the switch laa of ζ0 and Kishinda (ro) road J8 is turned on, for example, mK, then
/circuit 18 is activated, and the cursor moves to the monitor fold as shown in Figure 2, for example, according to the designation of the circuit 18. displayed on the j-po surface.

Now, in this state, if it becomes necessary to enlarge and monitor a specific monitoring target in the display diagram, use Joynasty and operate the stick on the circuit 6 to display the cursorm OJl! (e) Move the pointing snow to the center of the display area where the specific monitoring target is present (for example, (2) in FIG. 2) as indicated by M' in the figure. And a switch! Turn on the # switch 19 and turn on each comparator t.
4ers, re side e, w movement control 1 circuit aHc connected, then manual operation! 11. Operate the operation start I button.

Then, the current detection information of the ITV camera 770 azimuth and depression angle, and the image.

Isty, make the difference with the position designation information of the circuit 6 zero.
A comparison control signal is output from comparison circuit 14.11 and supplied to drive control circuit JJK.

At the same time as applying pressure, a comparison control signal is output from the comparator 16 to zero the difference between the magnification detection information and the reference magnification information from the reference value setting device 11, and the drive control circuit JJ
K is supplied. As a result, the drive control circuit 8J outputs a drive control signal corresponding to each of the comparison control signals, and the drive device f2 operates. Therefore, the azimuth and depression angle of the ITV camera l are determined by each of the comparators 74. It changes according to the comparison result of FJ, and the image of the monitoring target specified by 0 cursorm' in Fig. 2 is displayed at the center of the screen (1 in the figure) of the imager 40p. Fixed by Niro. At the same time, the magnification of the ITV camera 1 is changed by the -1 comparator r#O comparison result, and the second m10 area is enlarged to a state li shown on the entire screen of the curvature device 4, and is fixed at 9. Therefore, it becomes possible to precisely monitor the specific oVLn target (region O in FIG. 2 [phase]) by observing this enlarged image from now on.

1, and in order to restore the expanded monitoring status to its original state,
With the switch r1a of the changeover eibre in the off state, manual operation @11@ is continued in the drive control circuit IJtlc class), the monitoring letter 11KITV force me 910 direction before expansion,
The depression angle and magnification are restored, and the displayed image of the O# holder 4 can capture the entire monitored object without any defects.

If the device of this embodiment is as shown in O, ■TV camera 1
Detects the azimuth, depression angle and magnification and compares them with the position designation information and reference magnification information of Ji, Isti and Evening circuits C using a comparator v4. rs and re are compared, and the azimuth, depression angle, and magnification of the When changing the monitoring status, such as when it becomes necessary to expand monitoring of a specific monitoring target, it is possible to change the monitoring status extremely easily, quickly, and accurately by simply specifying the DI, IST, and C circuits and operating a switch. The monitoring status can be changed to Therefore, for example, when monitoring the road traffic condition, it is possible to reliably respond to a case where speed is required, such as enlarging and monitoring a specific moving vehicle.

Note that the present invention is not limited to the above embodiments.
For example, as a means for specifying a specific position on the display screen, a transparent grating mask is placed on one side of the emitter device 4 to detect pressure distortion when pressed with a finger or the like. We applied a method to obtain position specification information by placing a thin piezoelectric material in front of the screen and detecting the change in resistance when pressed against it.
A light pen may be used to specify the position.Furthermore, the turning direction and magnification t) the rounding means for obtaining the vase control signal, etc. may be substituted for the microboo 41Ly.

In addition to the X-quality camera 1, a device using a solid-state image sensor may be used as the imaging device.

In addition, regarding the control t1 circuit in the drive device, the means for detecting the turning direction and magnification, this WII4o
*Various modifications can be made without departing from the spirit. However, as another embodiment of the present invention, a video recording device may be provided separately in the V-video device, and the required picture size may be automatically stored.

Effect of W14 The present invention is provided with a rounding means for specifying the % stereotactic wrinkle in the captured II image, and a means for detecting the rotation direction and magnification of the imaging device, and the nine rotation angle detected by this means is provided. The direction information and the magnification information are respectively set in advance to specify the specified position and compared with the nine standard magnification information to make the difference zero (the camera device c+j+ilt controls the rounding drive device that changes the direction and magnification) This is a duck that looked like this.

Therefore, with the present invention, it is possible to quickly and accurately adjust the specific monitoring target of the photo shoot *iii report with a simple operation, and to display it at the center position of the screen at the appropriate magnification.
As a result, it is possible to provide an imaging monitoring device that can further improve monitoring performance.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an imaging monitoring device according to an embodiment of the present invention, and FIG. 2 is a schematic diagram used to explain the operation of the device. 1-ITV camera, S-detection circuit, 4--monitor device, 5--cursor display circuit, 6--di, isty, r circuit, r--control circuit.

Claims (1)

[Claims] A position designation circuit for designating a desired position for imaging and transmission on a monitor device in a #Rin monitoring device that displays imaging information on a monitor device and performs monitoring without changing the rotation direction and magnification of the imaging device. and the rotation of the imaging device (
b) A detection circuit that detects the direction and magnification, and a direction control that compares the turning direction information detected by this detection circuit with the estimated position 11 axis output from the position designation circuit and makes the difference zero. a first calculation means for generating a signal; a second calculation means for generating a magnification control signal; and a drive control circuit for driving and controlling a drive device for changing the rotation direction of the front imaging device and the magnification of the imaging device according to each control signal generated from the calculation means of the tuna 1 and the tuna 2. An imaging monitoring device comprising: