JPH0961882A - Visual angle fixing device, observation visual field positioning observation device, image pickup visual field positioning image pickup device and orthogonalized mirror making object image normal state - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a visual field positioning device advantageous in terms of size and cost in a system using a luminous flux deflecting body. SOLUTION: A luminous flux 22 from an object 21 enters an orthogonalized mirror 23. The mirror 23 is a polyhedron formed by fixing two plane mirrors 23a and 23b so that their reflection surfaces are orthogonally opposed. For example, the luminous flux 22 cast at the left mirror 23b is reflected to be cast at the right mirror 23a and passes via the lens 24 of an image forming optical system, then is enters the image pickup surface of an image pickup camera 25. Since the image of the object reflected by the mirror on one side (left mirror 23b) is a mirror image, at such a time, the image is reversed right and left again by the progress of the reflection by the mirror on the other side (right mirror 23a), and the normal state image of the object is projected. In order to form the normal state image on the camera 25, the azimuth of the mirror 23 is deflected by a motor 26 and the inclination thereof is deflected by a motor 27.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for positioning an imaging field of view in an imaging process of a surveillance imaging device, a product image inspection device, or the like and imaging. In particular, the imaging device and the target are both immovable objects, and the light beam deflecting device is used to deflect the incident light flux to the imaging device to determine the viewing angle to the target, and also to obtain the necessary imaging magnification, and to perform any imaging. The present invention relates to a technique for optically positioning a visual field and capturing an image.

[0002]

2. Description of the Related Art Conventionally, there are roughly two types of methods for positioning and imaging an imaging field of view. The first is a method for mechanically moving and positioning a target object by a mechanical positioning device, and the second is a method for mechanically moving and positioning an imaging device by a mechanical positioning device. Is.

For example, in the case of inspecting a printed wiring board, the camera itself as an image pickup device is positioned by an XY stage, or the printed wiring board as an object is chucked on the XY stage and moved. Alternatively, the object is positioned by moving the X-axis of the object and moving the camera in conjunction with the Y-axis. Further, apart from these examples, for example, in the case of a surveillance camera, by mounting the camera on an electric rotating base having a rotation (pan: azimuth angle = τ) and tilt (tilt: tilt angle = σ) function, There was no active camera, and the need was met.

On the other hand, in contrast to these methods, both the object and the image pickup device are immovable bodies, and the light flux from the target incident on the image pickup device is deflected by a mirror or the like to selectively position the image pickup visual field. This method uses two mirror devices for the light beam deflecting device and deflects the mirrors so that the light beam is deflected in the X-direction and the Y-direction in the target plane.
This is a method of deflecting the luminous flux in the direction.

[0005]

The above-described mirror deflection method has a relatively narrow target field range when observing a relatively narrow area such as a printed wiring board by enlarging it.
The overall viewing angle is small and the size of the mirror used does not have to be very large. However, in the case of surveying a relatively wide range like a surveillance camera, it is necessary to increase the size of the objective mirror in order to increase the viewing angle. This element causes the following two disadvantages. That is, (1) the size of the image pickup device becomes unrealistically too large in practical use. (2) Since the cost of the device increases, the economical efficiency of the device as a product is significantly reduced.

In order to solve this, there is a concept that the light beam deflecting device is an optical device having a single reflecting surface. surely,
A single reflective surface will solve the size and cost issues. However, if the step of reflecting the light flux is one step, the target image incident on the image pickup device becomes a mirror image, which is not practical for the image pickup device. In view of the disadvantages of the prior art in the imaging visual field positioning technology described above, the present invention provides a method using a single light beam deflector which is advantageous in size and cost.
An object of the present invention is to realize an observation visual field positioning observation apparatus or an imaging visual field positioning imaging apparatus, which solves the technical problem for orthotopicizing a target mirror image.

[0007]

According to a first aspect of the present invention, there is provided a viewing angle determining device for determining a viewing angle for observing an object, in order to determine a viewing angle of the object. A viewing angle determining device for selecting a corner. This viewing angle determining device is equipped with a light beam deflecting means for deflecting an incident light beam by deflecting the posture of the polyhedron. The polyhedron normalizes the target image light beam that has entered through the multiple reflection optical path held therein and emits it. Since this is a possible polyhedron, this viewing angle determining device can determine the viewing angle for observing the target and also make the target image in the viewing angle the orthotopic target image.

In order to determine the viewing angle for observing the object, the observation visual field positioning observation device according to claim 2 forms the object image with the viewing angle determining means for selecting the light receiving angle to the angle at which the light flux arriving from the object is received. An observation visual field positioning observation apparatus that includes an image forming unit that forms an image and determines an observation magnification, and optically positions the observation visual field for observation. The viewing angle determining means of this observation visual field positioning and observing device is provided with a light beam deflecting means for deflecting the incident light beam by deflecting the posture of the polyhedron. Since it is a polyhedron that can be orientated and emitted,
In addition to determining the viewing angle for observing the object, the image forming means can form an object image in the viewing angle as an orthotopic object image.

According to a third aspect of the present invention, there is provided an image pickup visual field positioning image pickup device which uses a light beam deflecting means for deflecting a light beam by deflecting a polyhedron in order to determine a viewing angle for picking up an object. A visual angle determining means for selecting a light receiving angle, an image pickup means for picking up a target image, and an image pickup means for forming a target image on the image pickup means and for setting an image pickup magnification are provided, and the image pickup visual field is optically positioned. , A device for capturing a target image.

This imaging visual field positioning imaging device optically positions the imaging visual field when the imaging visual field is positioned and imaged. Here, the optical positioning means
It means an action consisting of both actions of the visual angle determining means directing the visual angle of the imaging in the direction of the visual field of view and that the image forming means forms an image of the visual field captured in the visual angle direction in the image pickup means by the imaging means. are doing. In this way,
Since the optically positioned target image is formed on the image pickup surface of the image pickup means, the image is picked up by the image pickup means. And
The viewing angle determining unit deflects the polyhedron of the light beam deflecting unit to capture the imaging visual field direction, and deflects the luminous flux from the imaging visual field toward the image forming unit. Since the polyhedron multiple-reflects the target image light flux inside the polyhedron, the mirror image of the target generated by the first reflecting surface is orientated by the reflecting surfaces after the second reflecting surface and is emitted from the polyhedron, and then the It is transmitted to the image forming means.

The object image orthonormalizing mirror according to claim 4 is
Since the two surface mirrors are optically accurately arranged so as to be orthogonal to each other in a plane orthogonally, the incident light beam undergoes double reflection to emit an outgoing light beam having an accurate reverse vector with respect to the incident light beam direction vector. Therefore, the incident target image can be normalized and emitted. Claim 5
The imaging visual field positioning imaging device according to (1) uses a light beam deflecting device that deflects a light beam by an optical device having a single reflecting surface in order to determine a viewing angle at which an object is imaged. A viewing angle determining means for selecting a light-receiving angle, an image capturing means for capturing a target image, an image forming means for forming a target image on the image capturing means, and determining an image capturing magnification,
And a means for electrically orienting a target mirror image, the imaging field of view is optically positioned, and the target image is captured.

The visual angle determining means uses a light beam deflecting means for deflecting a light beam by an optical device having a single reflecting surface, and uses a light beam deflecting means for deflecting a light beam from various fields of imaging field of view toward an image forming means. Deflect one reflecting surface. in this case,
The target image transmitted to the image forming means is a mirror image, and the image pickup means picks up the image as it is. Then, the electrical image leveling means of the target image performs an electrical leveling operation on the mirror image signal to obtain a leveled target image.

According to a sixth aspect of the present invention, there is provided an image pickup visual field positioning image pickup device, in which, in order to determine a viewing angle for picking up an image of a target, a view angle determining means for selecting a light receiving angle and an object image are set as an angle for receiving a light flux arriving from the target. An image pickup means for picking up an image, an image forming means for forming a target image on the image pickup means and for determining an image pickup magnification, a sound pickup means and a recording / recording means are provided, and according to an internal or external recording / recording instruction signal. Since it has a function of recording and recording, for example, an image at the time of occurrence of an abnormal situation can be recorded and recorded together with its sound in accordance with an internal instruction signal based on an internal program or an instruction signal input from the outside.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to embodiments. FIG. 1 is an optical system layout diagram of the first embodiment in which the imaging visual field positioning imaging device according to the present invention is embodied as a monitoring device for image observation, and FIG. 2 is the same as FIG. FIG. 6 is a layout diagram of another optical system according to the embodiment. FIG. 3 shows the overall configuration when the orthogonal mirror shown in FIG. 1 is used in the optical system of the first embodiment. FIG. 4 shows the overall configuration of the first embodiment when the roof prism shown in FIG. 2 (FIG. 2) is used in the optical system.
The present embodiment is an embodiment in which a target including a plurality of monitoring regions having different distances is positioned and imaged, an image is displayed, and the image is observed.

For example, as a simplification example, in a certain factory, the time spent by the operator 1 in FIG. 3 on the bench 2b at a short distance and the time at which the worker 2 at a long distance works on the bench 2a are stayed by imaging. When performing measurement and performing work analysis, it is necessary to position the monitoring points on the bench and the workbench, and then form a monitoring area image at an appropriate imaging magnification and image it.

FIG. 1 is a schematic diagram for explaining in principle an example of the arrangement of the optical system of the first embodiment. The light beam 22 from the target 21 is incident on the orthogonal mirror 23 which is a light beam deflecting device. The orthogonal mirror 23 includes two plane mirrors 23.
Reference numerals a and 23b are polyhedrons fixed such that their reflection surfaces are orthogonally opposed to each other. For example, the light beam 22 that strikes the left mirror 23b is reflected and strikes the right mirror 23a, and the lenses of the imaging optical system are reflected. After passing through 24, the imaging camera 25
Incident on the imaging surface of. On the contrary, the light flux 22 that hits the right mirror 23a is reflected and strikes the left mirror 23b, passes through the lens 24 of the imaging optical system, and then the imaging camera 25.
Incident on the imaging surface of. At this time, since the target image reflected by the mirror on one side becomes a mirror image, the left and right of the image are re-inverted again by passing the mirror reflection on the other side. Therefore, the orthogonal mirror 23 is a polyhedron that emits a normal image of the object when the normal image of the object is incident.

The incident image localization performance of this orthogonal mirror is 2
This is the first performance that can be realized by optically finishing the surfaces of the surface mirrors with high accuracy and combining them at right angles to form an orthogonal surface mirror. Needless to say, the surface finished by metal vapor deposition or the like needs to be protected from oxidation by oxygen in the air, scratches and contamination by various coating methods.

Now, when the orthogonal mirror 23 is deflected to the left and right along with the image pickup surface by the M.tau. Motor 26 of FIG. 1 with the orthogonal line of both mirrors as the central axis, azimuth deflection with respect to the object is realized. In addition, this orthogonal mirror 23
Is tilted about the midpoint of the orthogonal lines of both mirrors by, for example, the Mσ motor 27 of FIG. 1, tilt angle deflection with respect to the object is realized. By combining these azimuth and tilt angle deflection operations, the imaging device can two-dimensionally scan a scene in which an object is present. Therefore, when the deflection angles of the azimuth angle and the tilt angle are selected, the angle at which the incident light flux from the target is received is selected, so that a specific position in the scene is selectively positioned and the image of that position is
It can be delivered to the rear imaging optics.

The selection of the light receiving angle by the orthogonal mirror is combined with the image formation by the rear image forming optical system to realize the positioning of the image pickup target area. That is, the Mτ motor 26 changes the azimuth angle of the orthogonal mirror 23 to perform, for example, X-direction positioning of the object (when the azimuth angle of the orthogonal mirror corresponds to the X axis of the object plane), and the Mσ motor 2
By changing the inclination angle of the orthogonal mirror 23, the object 7 is positioned in the Y direction, for example (when the inclination angle of the orthogonal mirror corresponds to the Y axis of the object plane).

Next, the image forming optical system will be described. FIG.
The lens also has a function as a variable power optical system, and forms a target image on the image pickup surface in a predetermined size. In the first embodiment, the lens is a zoom lens.
If the zoom magnification is designated by the image forming optical system control signal from the image forming optical system control unit 7, an image of a predetermined size can be obtained. The optical arrangement for the imaging visual field positioning imaging of the first embodiment is as described above, and the size of the visual field to be imaged is set by the imaging optical system, and the mirror deflection angle can be set in the direction of the visual field to be imaged. For example, a visual field of a size desired to be imaged is positioned in the visual field desired to be imaged in the object, and the visual field can be imaged.

For example, if the target example is the above-mentioned scene in a factory, the image pickup position and the image pickup area are previously stored in the memory 11 of FIG. For example, the zoom lens and the orthogonal mirror operate as taught, and a predetermined positioning image is achieved. In FIG. 3, 1 is a worker, 2a is a workbench, 2b is a bench, 3a is an imaging camera, 3b is an image forming optical system, 4 is a light beam deflecting device, 5 is a control / calculating unit, and 6 is a light beam deflecting device 4. , A polyhedron deflection control unit for controlling the selection of the light receiving angle of the image pickup device, 7 is an image forming optical system control unit for controlling the image forming condition of the image forming optical system 3b, 8 is an image pickup control unit for controlling the image pickup condition of the image pickup camera 3a, 9 Is a system control unit for controlling the operation of the entire system of the present embodiment, 10 is an automatic focusing unit, 11 is a memory, 12 is an input unit, 1
3 is an output unit, 14 is a display unit, and 15 is a bus.

Next, the other optical system of the first embodiment will be described with reference to the optical system layout diagram of FIG. In the schematic view of FIG. 2, the light beam 22 from the target 21 enters a roof prism 28 which is a light beam deflecting device. The roof prism 28 is a polyhedron manufactured so that the two surfaces thereof are orthogonally opposed to each other. For example, the light flux 22 that hits the left reflecting surface 28b is reflected and hits the right reflecting surface 28a and is emitted from the polyhedron. After passing through the lens 24 of the imaging optical system,
It is incident on the imaging surface of the imaging camera 25. On the contrary, the light flux 22 that hits the right reflecting surface 28a is reflected, hits the left reflecting surface 28b, exits from the polyhedron, passes through the lens 24 of the imaging optical system, and then enters the imaging surface of the imaging camera 25. To do. At this time, since the target image reflected by the reflecting surface on one side is a mirror image, the left and right of the image are reversed again after the reflection on the reflecting surface on the other side elapses. Therefore, the roof prism 28 is a polyhedron that emits a normal image of the object when the normal image of the object enters.

Now, with the roof prism 28 as the center axis of the orthogonal line of both reflecting surfaces, for example, the Mτ motor 2 of FIG.
According to 6, when the image plane is deflected to the left and right, azimuth deflection with respect to the object is realized. Further, when the roof prism 28 is tilted by, for example, the Mσ motor 27 in FIG. 2 about the midpoint of the orthogonal line of both reflecting surfaces, tilt angle deflection with respect to the object is realized. By combining these azimuth and tilt angle deflection operations, the imaging device can two-dimensionally scan a scene in which an object is present. Therefore, when the deflection angles of the azimuth angle and the inclination angle are selected, the angle at which the incident light flux from the target is received is selected. Therefore, a specific position in the scene is selectively positioned and the image at that position is rearward It can be delivered to the imaging optics.

The selection of the light receiving angle by the roof prism 28 is combined with the image formation by the rear image forming optical system to realize the positioning of the image pickup target area. That is, the Mτ motor 26 changes the azimuth angle of the roof prism 28 so that, for example, the object is positioned in the X direction (when the azimuth angle of the roof prism corresponds to the X axis of the object plane).
Further, the Mσ motor 27 changes the tilt angle of the roof prism 28 so that the target is positioned, for example, in the Y direction (when the tilt angle of the roof prism corresponds to the Y axis of the target plane).

Next, the image forming optical system will be described. FIG.
The lens also has a function as a variable power optical system, and forms a target image on the image pickup surface in a predetermined size. In the first embodiment, the lens is a zoom lens, so
If the zoom magnification is designated by the image forming optical system control signal from the image forming optical system control unit 7, an image of a predetermined size can be obtained. The optical arrangement for imaging visual field positioning imaging of the first embodiment is as described above, and the size of the visual field to be imaged is set by the imaging optical system, and the roof prism deflection angle is set in the direction of the visual field to be imaged. Then, the visual field of the size desired to be imaged is positioned in the visual field desired to be imaged in the target, and the visual field can be imaged.

For example, if the target example is the above-mentioned in-factory scene, the image pickup position and the image pickup area are previously stored in the memory 11 of FIG. 4 by teaching, so that the input instruction data can be input by the input unit 12. For example, the zoom lens and the roof prism operate as taught, and a predetermined positioning image is achieved. In FIG. 4, 1 is a worker, 2a is a workbench, 2b is a bench, 3a is an imaging camera, 3b is an image forming optical system, 4 is a light beam deflecting device, 5 is a control / calculating unit, and 6 is a light beam deflecting device 4. , A polyhedron deflection control unit for controlling the selection of the light receiving angle of the image pickup device, 7 is an image forming optical system control unit for controlling the image forming condition of the image forming optical system 3b, 8 is an image pickup control unit for controlling the image pickup condition of the image pickup camera 3a, 9 Is a system control unit for controlling the operation of the entire system of the present embodiment, 10 is an automatic focusing unit, 11 is a memory, 12 is an input unit, 13 is an output unit, 14 is a display unit, and 15 is a bus.

Next, the operation teaching flow of the first embodiment will be described with reference to the flowchart of FIG. First, the operator uses the input unit 12 shown in FIG. 3 or FIG.
The device is set to the teaching mode (ST1). Next, the imaging camera 3a is set at a fixed position (ST2), and the ID of the target scene is input (ST3). Next, the input unit 12
Through the polyhedron deflection control unit 6 to operate the light beam deflector 4 to position it in the first scene area (ST
4) The imaging camera 3a is operated via the imaging control unit 8 to capture an image of the first scene area and display an image (ST5), and the operator forms the imaging optical system control unit 7 while viewing the image. The imaging optical system 3b is operated via the, and the imaging magnification of this scene is determined while utilizing the automatic focusing function (ST6), and the determined imaging condition data (position data and magnification data) is stored in the memory 11 (ST7).
While setting the magnification for each scene area, the entire observation area is sequentially imaged and displayed on the display unit 14 (ST
8) When the operator inputs an image pickup area designating signal each time an image of the target observation scene area is displayed, the image pickup condition data is stored in the memory 11 (ST9). In this way, when the memory of the imaging condition data of the entire scene area is completed, YES is obtained in ST10, the file is closed (ST11), and the teaching is completed. According to the operation flow described above, the completed teaching data includes the imaging condition data of the entire view area of this target to be observed, and is stored in the memory 11 of FIG. 3 or 4.

Next, the observation flow of the first embodiment will be described with reference to the flowchart of FIG. First, the operator sets the device to the observation mode (ST2
1). Next, when the ID of the target scene is input from the input unit 12 of FIG. 3 or 4 (ST22), the system control unit 9 positions the first observation area according to the position data taught in the above-mentioned teaching mode. Then, the polyhedron deflection control unit 6 drives a stepping motor (not shown) of the light beam deflecting device 4 to deflect the polyhedron to the instructed light-receiving angle for optical positioning (S).
T23). Then, upon receiving the taught magnification data, the imaging optical control unit 7 instructs to control the zoom lens of the imaging optical system 3b to match the desired magnification (ST2).
4). The automatic focusing function operates at this timing (ST
25). In response to an image pickup command from the image pickup control unit 8, the image pickup camera 3a takes an image of the scene area image formed on the light receiving surface of the image pickup camera 3a in this manner, and displays the image on the display unit 14 (ST26). ). By visually observing the displayed image, the operator performs the necessary work (ST27), and if ST28 becomes NO according to the teaching data, the flow enters the circulation cycle (route A) and moves to the next scene area. Same positioning, image display,
When the flow of sight observation is repeated, and the image display and work of the taught whole sight area are completed, ST28 becomes YES (route B), the file is closed (ST29), and all the work by observation is completed.

Next, a second embodiment will be described. Like the first embodiment, the present embodiment belongs to a monitoring device that is a specific example of the imaging visual field positioning imaging device according to the present invention, but the first embodiment uses the polyhedron to multiplex reflection to form an orthographic image of an object. While it is a luminous flux deflector that obtains
The embodiment of FIG.
9 is an embodiment in which an orthonormalized image is obtained by performing electrical processing on the image signal of the mirror image of the object using 9.

Now, when the plane mirror 29 is deflected by the Mτ motor 26 of FIG. 7, azimuth deflection with respect to the object is realized. Further, when tilted by the Mσ motor 27 in FIG. 7, tilt angle deflection with respect to the object is realized. By combining these azimuth and tilt angle deflection operations, the imaging device can two-dimensionally scan a scene in which an object is present. Therefore, when the deflection angles of the azimuth angle and the inclination angle are selected, the angle at which the incident light flux from the target is received is selected. Therefore, a specific position in the scene is selectively positioned and the image at that position is rearward It can be delivered to the imaging optics. In the second embodiment, the selection of the light receiving angle by the plane mirror 29 is combined with the image formation by the rear image forming optical system to realize the positioning of the image pickup target area. That is, the Mτ motor 26 changes the azimuth angle of the plane mirror 29 so that, for example, the object is positioned in the X direction (when the azimuth angle of the plane mirror corresponds to the Y axis of the target plane), and the Mσ motor 27 is used. By changing the tilt angle of the plane mirror, for example, the object is positioned in the Y direction (when the tilt angle of the plane mirror 29 corresponds to the Y axis of the target plane).

In this way, the target image emitted from the plane mirror 29 is a mirror image, and enters the image pickup device via the image forming optical system. The process of processing the target image after the plane mirror 29 will be described with reference to the overall configuration diagram of the second embodiment shown in FIG. In FIG. 8, the plane mirror 4 (see FIG.
9) is deflected to select the light receiving angle, the imaging optical system control unit 7 determines the imaging magnification of the imaging optical system 3b, and the imaging camera 3a captures the image by the control signal of the imaging control unit 8. The target image signal is a mirror image image signal of the original target image, and when the target image signal is displayed on the display unit 15 as it is, the mirror image image which is horizontally reversed is displayed on the monitor. In the mirror image,
It cannot be used as an observation image.

Therefore, in this embodiment, the image orthonormalization program is stored in the memory 12 in advance, and the image signal obtained by the image pickup by the image pickup camera 3a is used as the image processing operation unit 1.
0, AD conversion is performed, the digital image data is temporarily stored in the memory 12, and then the CPU 11 causes the image orthonormalization program to function, and steps (a) to (9) in FIG.
According to (b), an inverse horizontal scanning operation is performed on the mirror image data, the resulting data is DA converted (not shown), and reproduced and displayed on the display unit 15 using the normal horizontal scanning display method. In this way, the display image becomes the orthodox target image (step (c)). In the second embodiment, the control and operation of each unit and the entire system are the same as those of the first embodiment except that the light beam deflecting device 4 described above is a plane mirror and the process of electrically orienting the mirror image of the object. It is similar to the form, and its explanation is omitted.

Next, a third embodiment will be described. Similar to the first embodiment, the present embodiment belongs to a monitoring device that is a specific example of the imaging visual field positioning imaging device according to the present invention, and further has a recording function of a captured image and a recording function. . For example, it is a monitoring device having an automatic tracking function and a recording / sound recording function suitable for monitoring an intruder or the like. If the field of view of the surveillance area is wide and the depth is deep, it may not be possible to predict at which position in the large three-dimensional space the intruder will appear. Therefore, the following various elements can be listed as the elements different from the first embodiment. (B) Intruder detection function: The ability to detect an intruder at any position in a vast space. (B) Automatic positioning function, automatic focus position adjusting function, automatic magnification adjusting function: The imaging direction should be set on the detected object, the optical system should be focused, and an image can be taken at an appropriate magnification. (C) There is a recording function for abnormal situations.

The overall optical arrangement and function are the same as in the case of the first embodiment of FIG. 1, so repetitive description will be omitted. The overall configuration and function of the third embodiment will be described with reference to FIG. In the third embodiment, for example, when a person 1 enters a scene of a panoramic view 2 of a passage surrounded by a long fence on both sides, the person 1 is detected (above-mentioned), and the imaging viewing angle in the direction of the person is detected. Is a monitoring device that positions, adjusts the focus position, adjusts the imaging magnification (above-mentioned B), images a person, and records and records. When the apparatus is in an operating state, a command from the system control unit 10 in FIG. 10 causes the entire view 2 of the passage in FIG. 10 to be controlled by the imaging optical system control unit 8 to control the imaging optical system 3b, and for example, 7 vertical frames. × Horizontal 6 frames = 42 in total
The frame is divided into frames, the polygonal deflection control unit 7 controls the deflection angle of the orthogonal mirror 4, and the scanning is always positioned from the upper left to the lower right.
A is controlled to sequentially capture images. The image signal of each frame is sequentially sent to the memory / arithmetic unit 11 and compared with the respective frame image data stored in the same unit in terms of image processing technology. Regarded and the operation of the device shows no change. However, when a difference is detected in the image data of any one of the 42 frames, the apparatus stops scanning positioning, and the system control unit 10 controls the polyhedral deflection control unit 7 to deflect the orthogonal mirror 4. The angle is deflected to a frame in which the image data has a difference, and the imaging optical system control unit 8 controls the imaging optical system 3b to automatically zoom up the frame to the taught magnification and focus. After adjusting the distance, the captured image is recorded in the recording / recording unit 12, and at the same time the microphone 5
The sound captured by is recorded in the same unit. Alternatively, at this time, the image can be displayed on the display unit 16 with sound, or the image and sound of a monitor station (not shown) at another place can be transmitted through the communication unit 15.

In FIG. 10, data, teaching programs, etc. are input from the input unit 13. The recording / recording operation according to the present embodiment is not only operated by the recording / recording instruction signal by the automatic image information detection of the abnormal situation as described above, but also by the operator inputting a command from the input unit 13 as necessary. Can be activated. Since the input unit 13 can also receive a signal from an external sensor or the like, the present embodiment can receive a signal from an infrared sensor and perform a recording / recording operation when an abnormality occurs. The output unit 14 is a unit that outputs various data and the like.

[0036]

According to the present invention, in the optical positioning technique for picking up an image of an object, a technique for obtaining an orthotopic image of the object by using a single optical deflector is realized.
Using a plurality of (actually two) light deflection mirrors, it was possible to solve the problems of unrealistic mirror size and unrealistic device cost that occur when a general scene is imaged. Further, by providing the sound collecting means and the recording / recording means in this technique, it becomes possible to record and record an image at the time of an abnormality or the like together with the sound in response to an internal or external instruction signal.

The effects of the present invention will be specifically described below with reference to the claims. According to the first aspect of the present invention, there is provided a light beam deflecting means for deflecting an incident light beam by deflecting the posture of the polyhedron using a polyhedron capable of orienting and emitting the object image light beam through the multiple reflection optical path held by the polyhedron. Therefore, the viewing angle determining device that determines the viewing angle for observing the target can be realized by selecting the light receiving angle as the angle at which the light flux reaching from the target is received.

According to the second aspect of the present invention, a polyhedron capable of orienting and emitting the object image light beam through the multiple reflection optical path held by the polyhedron is used, and the incident light beam is deflected by deflecting the posture of the polyhedron. Since the visual angle determining means having the deflecting means and the image forming means for forming the target image and for setting the observation magnification are provided, the light receiving angle is selected to the angle for receiving the light flux reaching from the target. We have succeeded in realizing an observation visual field positioning observation device that forms an image.

According to the third aspect of the present invention, the imaging viewing angle determining means directs the imaging viewing angle in the direction of the object, the imaging means forms an image of the object at a necessary magnification, and the imaging means images the image. Optical imaging target area positioning imaging technology has been realized. The imaging viewing angle determining means includes a light beam deflecting means including a polyhedron that multiple-reflects and deflects a light flux coming from an object, and the image forming means is a lens optical device that controls the object image to a required magnification to form an image. Since the image pickup means picks up the image to be formed, the basic technique of the present invention can be realized.

According to the fourth aspect of the present invention, since the orthogonal mirror is constructed by making the two front surface mirrors optically accurately face each other in a plane orthogonal manner, the incident light beam undergoes double reflection, and the incident light beam direction vector By emitting an outgoing light flux having an accurate reverse direction vector with respect to, it was possible to realize an orthogonal mirror that orients the incident target image and emits it. According to the invention of claim 5, in the optical device having the single reflecting surface, the imaging viewing angle determining means including the light beam deflecting means for deflecting the light beam determines the imaging viewing angle, and the imaging means forms an image, and the imaging is performed. An image field-of-view positioning image pickup apparatus for obtaining an orthonormalized target image by the electric orthonormalization means performing an electrical orthonormalization operation on the mirror image image signal of the object imaged by the means. Since it was realized, the effect of satisfying the practicability and low-compatibility, which are the desired conditions for the size and cost of the device, was obtained.

According to the invention of claim 6, the imaging viewing angle determining means directs the imaging viewing angle in the direction of the object, the imaging means forms an image of the object at a necessary magnification, and the imaging means takes an image.
Since the image pickup target area positioning image pickup device has a sound pickup means and a video recording / recording means, and has a function of recording and recording in accordance with a video recording / recording instruction signal, for example, an imaging target for recording and recording an image at the time of occurrence of an abnormal situation together with its sound. The area positioning imaging device was realized.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of a light beam deflecting device including an orthogonal mirror, which is a polyhedron of an imaging visual field positioning imaging device according to the present invention, and an imaging lens optical device for determining a magnification.

FIG. 2 is a diagram showing an example of a light beam deflecting device including a roof prism, which is a polyhedron of an imaging visual field positioning imaging device according to the present invention, and an imaging lens optical device for determining a magnification.

FIG. 3 is a diagram showing an overall configuration of a monitoring device according to a first embodiment of the present invention.

FIG. 4 is a diagram showing an overall configuration of another monitoring device according to the first embodiment of the present invention.

FIG. 5 is a flowchart showing steps in a teaching mode of the monitoring device according to the first embodiment.

FIG. 6 is a flowchart showing steps in an observation mode of the monitoring device according to the first embodiment.

FIG. 7 is a diagram showing an example of an optical device including a single plane mirror included in a light beam deflecting device of an imaging visual field positioning imaging device according to the present invention.

FIG. 8 is a diagram showing an overall configuration of a monitoring device according to a second embodiment of the present invention.

FIG. 9 is a diagram showing a process of orthonormalizing a target mirror image of the monitoring device of the second embodiment.

FIG. 10 is a diagram showing an overall configuration of a monitoring device according to a third embodiment of the present invention.

[Explanation of symbols]

 21 target 22 luminous flux 23 orthogonal mirror 24 lens 25 imaging camera 26 azimuth deflection motor 27 tilt angle deflection motor

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location H04N 5/225 H04N 7/18 D // H04N 7/18 G02B 7/18 B (72) Inventor Hideo Kiji 261, No.705, Nagara, Hayama-cho, Miura-gun, Kanagawa 261 (72) Inventor Atsushi Hayashi 475, Tanaka-cho, a subordinated seller of Jofukuji-dori, Kamigyo-ku, Kyoto

Claims (6)

[Claims] 1. A viewing angle determining device for selecting a light-receiving angle to an angle for receiving a light beam arriving from the object in order to determine a viewing angle for observing the object, wherein an incident light beam is obtained by deflecting a posture of a polyhedron. The viewing angle determining device is characterized in that the polyhedron is a polyhedron capable of orienting and emitting the target image light beam through the multiple reflection optical path of the polyhedron. 2. In order to determine a viewing angle for observing an object, a viewing angle determining means for selecting a light receiving angle to an angle for receiving a light flux arriving from the object, and an image forming an object image and an observation magnification. And an observation visual field positioning observation device for optically positioning the observation visual field for observation, wherein the viewing angle determining means includes a light beam deflecting means for deflecting an incident light beam by deflecting the posture of the polyhedron. An observation visual field positioning and observation apparatus characterized in that the polyhedron is a polyhedron capable of orienting and emitting a target image light beam through a multi-reflection optical path held by the polyhedron. 3. In order to determine a viewing angle for imaging an object, a viewing angle determining means for selecting a light receiving angle to an angle for receiving a light flux arriving from the object, an imaging means for imaging a target image, and the imaging means. An imaging field-of-view positioning imaging device that forms an object image and that defines an imaging magnification, optically positions an imaging field, and images an object image, wherein the viewing angle determining means is a polyhedron. An image pickup field is provided which is provided with a light beam deflecting means for deflecting an incident light beam by deflecting the posture, and the polyhedron is a polyhedron capable of normalizing and emitting the target image light beam through the multiple reflection optical path held by the polyhedron. Positioning imaging device. 4. The two-surface mirrors are optically accurately face-to-face orthogonal to each other so that the incident light flux undergoes double reflection and emits an outgoing light flux having an exact reverse direction vector with respect to the incident light flux direction vector. Object image orthonormalization mirror composed by. 5. In order to determine a viewing angle for imaging an object, a viewing angle determining means for selecting a light receiving angle to an angle for receiving a light flux arriving from the object, an imaging means for imaging a target image, and the imaging means. An imaging field-of-view positioning imaging device for imaging a target image by optically positioning an imaging field of view by forming an object image and determining an imaging magnification, wherein the viewing angle determining means is a single device. An image pickup visual field positioning image pickup device comprising: a light beam deflecting device for deflecting a light beam by an optical device having a reflecting surface; and an electric field leveling means for an object mirror image deflected by a single reflecting surface. 6. In order to determine a visual angle for imaging a target, a visual angle determining means for selecting a light receiving angle to an angle for receiving a light flux arriving from the target, an image capturing means for capturing a target image, and the image capturing means. An imaging field-of-view positioning imaging apparatus for imaging a target image by optically positioning an imaging field of view by forming an object image and determining an imaging magnification. An imaging field-of-view positioning imaging device having a function of recording and recording according to an internal instruction signal or an external instruction signal.