JP2007013709A - Setting apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a setting apparatus that is adaptive to a supervisory system and displays an image of a designated area designated by a user and an image of a detection processing object area being an actual supervisory object by a sensor at the same time, allows the user to recognize a difference between both the areas and can provide warning to the user depending on the difference. <P>SOLUTION: The setting apparatus to solve the task above includes: an input interface 30 for acquiring an image imaging all or part of a supervisory space of a supervisory unit 10; and a detection range calculation section 32 for receiving designation at a plurality of image designation points particularized at points corresponding to the image designation points and calculating a designation area particularized at the points corresponding to the image designation points, and the setting apparatus displays the difference between the detection processing object region being the actual detection processing range of the supervisory unit 10 and the designated region. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a setting device for a monitoring system that presents information indicating a difference between a designated area designated by a user and an actual detection processing target area to the user.

  In recent years, surveillance systems using microwave radar, ultrasonic radar, etc. have been proposed for security systems, automobile traffic monitoring systems, and the like. For example, in a microwave radar, a microwave is emitted to a monitoring space, a microwave reflected by an object existing in the monitoring space is received, and a monitoring target existing in the monitoring space is detected. At this time, when the signal obtained from the monitoring space has a characteristic specific to the monitoring target, the processing is performed assuming that the monitoring target exists in the monitoring space. For example, when the monitoring target is “person”, the position of the object detected in the monitoring space, the aspect ratio of the shape of the object, the moving speed of the object, and the like satisfy a predetermined condition representing “humanity” Raise an alarm as if there was an intruder.

  A monitoring device that detects the position and velocity of an object using the nature of the reflected wave of the detected wave, such as a microwave radar, is more weather-proof than an image sensor that captures an image of the monitoring space and detects the object by image processing. And has the advantage of being hardly affected by lighting. In this way, the monitoring device that uses the reflected wave for detection includes a one-dimensional sensor that can acquire only one of the distance to the object or the angle between the sensor and the object, the distance to the object, and the distance between the sensor and the object. There are two-dimensional sensors capable of acquiring a horizontal angle or a vertical angle formed, and three-dimensional sensors capable of acquiring a distance to an object and a horizontal angle and a vertical angle formed between the sensor and the object.

  In a monitoring device that uses invisible detection waves such as microwaves, ultrasonic waves, and infrared rays, it is difficult to confirm the set monitoring region. Further, even when a part of the monitoring space that can be monitored is set as an actual monitoring area, it is difficult to set using an interface that is close to a human sense.

  Therefore, conventionally, in the two-dimensional microwave radar disclosed in Patent Document 1, it has been proposed to set a monitoring area while viewing an image of the monitoring space. In other words, in a two-dimensional microwave radar that obtains the distance from the monitoring device to the object and the horizontal direction, an imaging device (such as a camera) that obtains an image of the monitoring space is also provided, and the region to be monitored on the image is specified from the input device A method for setting a monitoring area is disclosed.

JP 2001-155291 A

  If a three-dimensional sensor is used, the position of an object can be detected with higher accuracy, but it is preferable to use a two-dimensional sensor or a one-dimensional sensor in order to construct a simple and inexpensive system. However, when a two-dimensional sensor or a one-dimensional sensor is used, the three-dimensional position of the object cannot be detected. Therefore, an actual detection processing target is designated by the designated region and sensor designated on the image obtained by imaging the monitoring space. There may be a difference in the area.

  For example, a two-dimensional sensor that can detect only the distance to an object and the horizontal angle between the object cannot detect the vertical angle formed by the monitoring device and the object. Therefore, as shown in FIG. 14, when the vertical angle ρ in the transmission direction of the detection wave is fixed and scanning is performed only in the horizontal angle (the direction perpendicular to the paper surface), the directivity spread angle φ in the vertical direction of the detection wave Only the detection position of the object has uncertainty. Therefore, when a designated area having a vertical angle narrower than the uncertainty of the vertical angle is set as the monitoring area, there is a possibility that the monitoring area that is actually set by the uncertainty in the vertical direction may be expanded. In such a case, there is a possibility of causing a false report that a monitoring target is detected even in a space that does not require monitoring. On the other hand, when a designated area having a vertical angle narrower than the uncertainty of the vertical angle is set as an area in which the detection target is not detected, the non-monitoring area that is actually set by the uncertainty in the vertical direction is expanded. There is a fear. In such a case, the object to be detected may not be detected even in a space that needs to be monitored, and there is a possibility of causing a false alarm. In particular, misreporting is not allowed in the security system.

  In addition, since the technique of Patent Document 1 can only designate a point on the floor surface in the monitoring space, it cannot set a space with a height as a detection processing target area.

  Therefore, when realizing the monitoring system, it is desired to reliably include the specified area specified using the image obtained by imaging the monitoring space in the actual detection processing target area of the monitoring apparatus.

  In view of the above-described problems of the prior art, the present invention presents information indicating a difference between a designated area designated by a user and an actual detection processing target area to the user, and allows the user to recognize the difference. An object of the present invention is to provide a setting device suitable for the above.

  The present invention relates to an input interface for acquiring an image obtained by capturing all or part of a monitoring space of a monitoring device, and a plurality of image designation points on the image, and corresponding to the plurality of image designation points. A setting range display unit that calculates a specified area specified by the setting area, and displays a difference between a detection processing target area that is an actual detection processing range of the monitoring apparatus and the specified area It is.

  Here, it is preferable to issue a warning when the detection processing target area exceeds the designated area.

  Note that the image designated point means a point designated by the user on an image obtained by imaging the monitoring space. The image designation point is represented by two-dimensional coordinates projected on the vertical axis and the horizontal axis in the image. The designated area refers to an area that is referred to in the monitoring target detection process and that is calculated from the designated image point on the image designated by the user. For example, the designated area can be set as a monitoring area that is a target for detecting an object or a non-monitoring area that is not a target for detecting an object. In addition, the actual detection processing target area is an area that is determined in consideration of the uncertainty of the sensing range of the monitoring apparatus based on the specified area, and is the target of the process in which the monitoring apparatus actually detects the monitoring target. Means an area. The point that specifies the designated region and the detection processing target region is represented by three-dimensional coordinates projected on each coordinate axis in the three-dimensional coordinate system in the real space. For example, in a monitoring device using a detection wave such as a microwave, it is preferable to represent the three-dimensional coordinates of the distance from the monitoring device, the horizontal angle with the monitoring device, and the vertical angle.

  The detection range calculation unit projects a reference point of the designated area onto a reference plane (for example, a floor surface) in real space based on the two-dimensional coordinates of the first image designated point included in the plurality of image designated points. The three-dimensional coordinates of the point (hereinafter referred to as a ground contact point) are calculated. Specifically, the first image among the plurality of image designation points is used by using information regarding the installation state of the imaging unit that captured the image (the height at which the camera is installed, the depression angle with respect to the floor of the camera, etc.). The grounding point corresponding to the designated point is obtained. Further, a point for specifying the designated region itself is obtained based on an image designated point other than the first image designated point among the plurality of image designated points. At this time, a point for specifying the designated area is calculated assuming that the reference point of the designated area is located on the vertical line of the grounding point.

  That is, the position (three-dimensional coordinates) of the grounding point on the reference plane existing in the monitoring space of the monitoring device is first defined from the two-dimensional coordinates of one image designated point designated on the captured image, and the grounding point is defined. The designated area to be subjected to object detection processing is defined based on the two-dimensional coordinates of the remaining image designated points among the plurality of image designated points, assuming that the reference point of the designated area exists on the vertical line at the position of To do. In addition, it is preferable that the central axis of the monitoring space (scanning range) that can be monitored by the monitoring device and the optical axis of the imaging unit for acquiring the image are substantially matched. In other words, it is preferable that the center position of the image substantially coincides with the central axis of the monitoring space of the monitoring device. That is, it is preferable to acquire the image using an imaging unit that is installed with the optical axis substantially aligned with the central axis of the scanning range of the monitoring device of the monitoring device. This is because it is a precondition for the process of demarcating the designated area from the two-dimensional coordinates of the image designated point.

  ADVANTAGE OF THE INVENTION According to this invention, when a designated area | region is set to a monitoring area | region, a user can be made to recognize possibility that a misreport may generate | occur | produce by the uncertainty of the sensing range of a monitoring apparatus. In addition, when the designated area is set as a non-monitoring area, the user can be made aware of the possibility that a misreport will occur due to the uncertainty of the sensing range of the monitoring device.

  In the present invention, a display unit for presenting the captured image to a user is provided, and the display unit superimposes an image indicating an area corresponding to the designated area and an image indicating an area corresponding to the detection processing target area. It is preferable to display them together. Furthermore, it is also preferable that these images and the captured image are superimposed and displayed.

  When the designated area in the real space is calculated based on designation of a plurality of image designated points on the captured image, the detection processing target area is determined based on the designated area. When the detection processing target area exceeds the specified area, an area on the image of the captured image corresponding to the detection processing target area is obtained, and an image indicating the area corresponding to the detection processing target area is obtained. Display on the display. Specifically, the three-dimensional coordinates of the point specifying the detection processing target area are inversely converted to the two-dimensional coordinates of the point on the image of the captured image. That is, a point on the image of the captured image corresponding to the point specifying the detection processing target region is obtained, and a region on the image of the captured image corresponding to the detection processing target region is defined. Note that an area on the image of the captured image corresponding to the designated area is defined by the plurality of image designation points designated on the captured image.

  In this way, by superimposing the area corresponding to the specified area and the area corresponding to the detection processing target area to the user, the user visually recognizes the difference between the specified area and the detection processing target area. Can be caught. Therefore, the user can easily determine whether or not it is necessary to reset the designated area, and the possibility of misreporting or misreporting.

  According to the present invention, an arbitrary range in the monitoring space can be easily set as the designated area. In addition, information indicating a difference between the designated area designated by the user and the actual detection processing target area can be presented to the user. Therefore, the user can easily recognize the possibility of false or misreporting.

  As shown in FIG. 1, the monitoring system 100 according to the embodiment of the present invention includes a monitoring device 10, an imaging unit 12, and a setting device 14. The monitoring system 100 allows a user to specify a point on an image obtained by photographing a monitoring space that can be monitored by the monitoring device 10 as an image designated point, calculates a designated area from the image designated point, and designates the designated area as a monitoring area or Monitors the existence of a monitoring target as a non-monitoring area. The function of each part of the monitoring system 100 is controlled using a computer that can execute a program.

  For example, the imaging unit 12 and the setting device 14 are configured as devices separate from the monitoring device 10, and are used by being connected to the monitoring device 10 when setting a designated area in the monitoring device 10. Of course, the system configuration may be configured as one device by appropriately combining any two or more of the monitoring device 10, the imaging unit 12, and the setting device 14.

  The monitoring apparatus 10 includes a detection wave transmission / reception unit 20, an object detection processing unit 22, a storage unit 24, and an output unit 26. The monitoring device 10 can be connected to the setting device 14 so as to be able to transmit information, and receives information on the designated area input from the setting device 14 and performs a process of detecting a monitoring target while referring to the designated area.

  The detection wave transmission / reception unit 20 transmits and receives microwaves for two-dimensionally or one-dimensionally detecting the position of the object. In this embodiment, a two-dimensional microwave radar will be described as an example. However, for example, an ultrasonic radar that transmits and receives ultrasonic waves and a laser sensor that transmits and receives lasers may be used.

  A two-frequency CW monopulse method is used as a detection method that enables object position detection. In the two-frequency CW monopulse system, a plurality of antennas are arranged, microwaves having different frequencies are transmitted, and the Doppler component included in the reflected wave reflected by the object and the intensity and phase difference between the antennas are used. It is possible to obtain position information such as a distance to an object existing in the monitorable space, an angle (horizontal angle and vertical angle) with respect to the object, and information such as a moving speed of the object.

  For example, by arranging two antennas in the horizontal direction and transmitting and receiving detection waves of different frequencies in a time-division manner, the distance to the object existing in the monitorable space and the horizontal angle formed by the sensor and the object are obtained 2 A dimension sensor can be constructed.

  The configuration of the detection wave transmitting / receiving unit 20 is not limited to the above. For example, the detection wave transmission / reception unit 20 may include a directional antenna having a mechanical configuration that automatically scans a monitorable space and transmits a detection wave.

  In this case, the detection wave transmission / reception unit 20 may include angle detection means such as a rotary encoder or a potentiometer that detects the scanning angle (horizontal angle or vertical angle) of the antenna. By outputting the detected scanning angle to the object detection processing unit 22, it is possible to configure a two-dimensional sensor that obtains the distance to the object existing in the monitorable space and the horizontal angle or the vertical angle formed by the sensor and the object. .

  The object detection processing unit 22 receives the signal output from the detection wave transmission / reception unit 20 and performs monitoring target detection processing on the designated area registered in the storage unit 24. Further, a control signal such as a warning output control signal is output to the output unit 26 according to the result of the detection process. Details of the processing in the object detection processing unit 22 will be described later.

  The storage unit 24 includes a semiconductor memory. The storage unit 24 stores and holds the designated area calculated by the detection range calculating unit 32 of the setting device 14 and the attributes (described later) set for each designated area in association with the designated area. The information on the designated area registered in the storage unit 24 is referred to in the monitoring process of the monitoring target in the object detection processing unit 22. Further, information for specifying a monitoring space (viewing field range) that can be monitored using the detected wave transmitting / receiving unit 20 is stored and held. The visual field range of the detection wave transmission / reception unit 20 is determined by the characteristics of the detection wave transmission / reception unit 20, the installation position, and the like, and is registered in the storage unit 24 when the detection wave transmission / reception unit 20 is installed. Note that a storage means such as a hard disk device or an optical disk device may be used instead of the semiconductor memory.

  The output unit 26 includes an interface that connects the monitoring device 10 to an external network. The output unit 26 outputs a signal to an externally connected device according to the object detection result in the object detection processing unit 22. For example, when a monitoring target is detected in a designated area stored in the storage unit 24, a control signal output from the object detection processing unit 22 is received and transmitted to a computer installed in an external monitoring room via the Internet. Outputs an alarm signal.

  The imaging unit 12 includes a camera equipped with a CCD imaging device. The whole or part of the monitoring space (field-of-view range) of the detection wave transmission / reception unit 20 is imaged using the imaging unit 12. The images acquired by the imaging unit 12 may be acquired regardless of whether they are still images or moving images. Ideally, the angle of view of the image obtained by the imaging unit 12 is preferably wider than the visual field range of the detection wave transmission / reception unit 20. A photoelectric conversion element such as a CMOS image sensor can be used instead of the CCD image sensor.

  In addition, it is preferable that the optical axis of the imaging unit 12 (axis extending from the camera to the center of the image) and the central axis of the monitorable range (scanning range) of the detection wave transmission / reception unit 20 are approximately the same. As shown in FIG. 2, the imaging unit 12 and the detection wave transmission / reception unit 20 are configured to be “fitted” so that the optical axis of the imaging unit 12 and the central axis of the detection wave transmission / reception unit 20 are substantially matched. Install.

  The setting device 14 includes an input / output interface 30, a detection range calculation unit 32, a storage unit 34, an input unit 36, and a display unit 38. The setting device 14 receives an image of the monitoring space imaged by the imaging unit 12, presents the image to the user, and receives an input of an image designated point on the image from the user. Then, the designated area in the monitoring space is calculated based on the designated image point, and the designated area and its attribute are registered in the monitoring apparatus 10.

  The input / output interface 30 includes an interface that can be connected to the monitoring device 10 and the imaging unit 12. The input / output interface 30 receives an image signal picked up by the image pickup unit 12, performs processing such as analog / digital conversion on the image signal, and also has a format that can be displayed on the display unit 38 (for example, an image in a jpeg format). ) And output. In addition, the information on the designated image point is received from the input unit 36 and is output to the detection range calculation unit 32. Further, in accordance with the processing result of the object detection processing unit 22 or the detection range calculation unit 32, the captured image, information indicating a warning, and the like are displayed on the display unit 38.

  The detection range calculation unit 32 acquires an image designated point designated by the user, and obtains a designated region in the monitoring space based on the image designated point. For example, an area on the image specified by the image designation point is converted into a designated area on polar coordinates represented by a distance and an angle (horizontal angle range and vertical angle range) from the monitoring apparatus 10. Conversely, the actual detection processing target area of the monitoring apparatus 10 is converted into an area on the image. Details of the processing in the detection range calculation unit 32 will be described later.

  In addition, by storing in advance information indicating the monitoring space (field-of-view range) of the detection wave transmission / reception unit 20 in the storage unit 34, it is possible to determine in advance whether or not the designated region is included in the monitoring space. . When the designated area exceeds the monitoring space, a warning is presented on the display unit 38. Further, the designated area exceeding the monitoring space may be displayed on the display unit 38 so as to be superimposed on the captured image.

  The storage unit 34 includes a semiconductor memory. The storage unit 34 stores and holds image information received from the imaging unit 12 via the input / output interface 30. The storage unit 34 may include storage means such as a hard disk device or an optical disk device.

  The input unit 36 includes a mouse and a keyboard. The input unit 36 is used by the user to specify a point on the image as an image designation point while confirming the captured image displayed on the display unit 38. It is also used to input the attribute of the designated area. The input unit 36 may be configured by a pointing device such as a touch pen or a character input device other than the keyboard.

  The display unit 38 includes image display means such as a liquid crystal display. The display unit 38 receives the image signal from the input / output interface 30 and displays the image in a form that can be visually confirmed by the user. In addition, the control signal from the object detection processing unit 22 is received via the input / output interface 30 according to the detection result of the monitoring target in the object detection processing unit 22, and the captured image and information indicating a warning are stored in the storage unit 34. indicate.

  Next, processing for specifying an image designated point and calculating a designated area using the monitoring system 100 according to the present embodiment will be described. This process is executed according to the flowchart shown in FIG.

  In step S10, the monitoring device 10, the imaging unit 12, and the setting device 14 are set. The detection wave transmission / reception unit 20 is installed with the microwave transmission / reception direction directed to the space to be monitored. Furthermore, the imaging unit 12 is configured such that the optical axis of the imaging unit 12 (axis extending from the camera to the center of the image) and the central axis of the monitorable range (scanning range) of the detection wave transmitting / receiving unit 20 substantially coincide. Installed. At this time, as shown in FIG. 2, the imaging unit 12 and the detection wave transmission / reception unit 20 have a “fitting” structure, thereby defining the relative positions of the imaging unit 12 and the detection wave transmission / reception unit 20. Can be installed easily.

  In this embodiment, as shown in FIGS. 4 and 5, the height h from the floor surface serving as the reference surface, and the central axis of the detection wave transmitting / receiving unit 20 and the optical axis of the imaging unit are the reference surface (floor surface). The detection wave transmission / reception unit 20 and the imaging unit 12 are installed with a depression angle ρ toward.

  The object detection processing unit 22 of the monitoring device 10 and the input / output interface 30 of the setting device 14 are connected so as to be able to transmit information. Furthermore, the detection range calculation part 32 of the setting apparatus 14 and the memory | storage part 24 of the monitoring apparatus 10 are connected so that information transmission is possible.

  In step S <b> 12, imaging is performed using the imaging unit 12. An image including a space that can be monitored by the monitoring apparatus 10 is captured by the imaging unit 12 installed in step S <b> 10, and the image is transmitted to the detection range calculation unit 32 and the storage unit 34 via the input / output interface 30. For example, when an intruder into a house is to be monitored, it is preferable that the space above the wall surrounding the house is a designated area that is referred to in the detection process. Also, if you want to detect theft of a sculpture placed on a high pedestal or a painting on a wall while excluding people who go and go in front of you at the museum, the sculpture or painting to be monitored is placed. It is preferable to set the space to be designated as a designated area referred to in the detection process.

  In step S14, which will be described later, a designation that is referred to in the detection process so as to be a mark on the image when the image designation point on the image indicating the reference plane (for example, the floor surface) is designated. It is preferable to perform imaging by dropping a perpendicular from the reference point of the area to the reference plane (floor surface) and placing a marker at the ground contact point that is the intersection of the reference plane (floor surface) and the perpendicular. The marker only needs to be able to identify the position of the ground point on the image. For example, if the marker can be identified from the pattern of the floor itself or the relative positional relationship of the installation object placed in the imaging space, the marker is special. There is no need to place a marker.

  The input / output interface 30 performs processing such as analog / digital conversion and format conversion on the received image signal, and transmits the image signal to the detection range calculation unit 32 and the storage unit 34.

  The storage unit 34 stores and holds the acquired image signal. At this time, a system clock is mounted on the setting device 14 to store and hold the image signal in association with the time when the image is captured by the imaging unit 12.

  In step S14, designation of an image designated point on the image is accepted. The user uses the input unit 36 to display a plurality of image designation points indicating the designated area itself and image designation points indicating a relative positional relationship between the reference plane (floor surface, etc.) and the designated area on the display unit 38. It designates on the displayed captured image. Specifically, four image designated points respectively corresponding to the reference point, width, depth, and height of the designated area itself, and one image indicating the distance between the designated point of the designated area and the ground point on the reference plane Designate at least five designated image points. This designation process is executed according to a subroutine shown in FIG.

  In step S14-1, the image acquired in step S12 is displayed on the screen of the display unit 38. The latest image is read from the images stored in the storage unit 34 with reference to the imaging time, and the image is displayed on the display unit 38 in such a manner that the user can visually recognize the image. Further, the display unit 38 displays a message that prompts the user to designate an image designated point to be a grounding point on the displayed image.

  In step S14-2, the user who is prompted by the message displayed in step S14-1 confirms the image displayed on the display unit 38 and uses the input unit 36 such as a pointing device to indicate the ground point. Enter the top point. As a result, as shown in FIG. 7A, the two-dimensional coordinates (a, j) of the image designated point on the screen corresponding to the contact point are acquired. The ground point is specified by the two-dimensional coordinates (a, j) of the first image designated point on the image. When the two-dimensional coordinates (a, j) of the first image designated point are acquired, the process proceeds to step S14-3.

  At this time, in step S12, if the image is picked up by placing a marker at the grounding point on the reference plane (floor surface), the user can easily designate the image designated point on the screen corresponding to the grounding point. Can do.

  In step S <b> 14-3, a message prompting the user to input an image designated point on the image that identifies the designated area itself referred to in the detection process is displayed on the display unit 38. At this time, as shown in FIG. 7A, the image acquired in step S12 and the image indicating the first image designated point acquired in step S14-2 are superimposed on the screen of the display unit 38. Display. Thus, the user can easily designate the image designated point while confirming the relative positional relationship between the image designated point already designated and the image designated point designated next.

  In step S14-4, an image designated point indicating the designated area itself is designated. The user who is prompted by the message displayed in step S14-3 confirms the image displayed on the display unit 38 and uses the input unit 36 to specify an area on the image indicating the specified area itself. Enter. When an image designated point on the image indicating the designated area itself is designated, the process proceeds to step S14-5.

  Specifically, first, as shown in FIG. 7B, an image designation point indicating the reference point of the designated area and an image designation point indicating the width of the designated area are designated. As a result, the two-dimensional coordinates (a, b) of the image designated point indicating the reference point of the designated area and the two-dimensional coordinates (c, b) of the image designated point indicating the width of the designated area are acquired. Note that (a, j) and (a, b) coincide with each other when it is desired to designate the designated region on the reference plane, that is, in contact with the reference plane. Secondly, as shown in FIG. 7C, an image designated point indicating the depth of the designated area referred to in the detection process is designated. Thereby, the two-dimensional coordinates (e, g) of the image designated point indicating the depth of the designated area are acquired. Thirdly, as shown in FIG. 7D, an image designated point indicating the height of the designated area referred to in the detection process is designated. Thereby, the two-dimensional coordinates (a, d) of the image designated point indicating the height of the designated area are acquired. That is, the designated area itself referred to in the detection process is specified by four image designated points on the image, and the two-dimensional coordinates (a, b), (c, b), (e, g), (A, d) is acquired. The distance between the designated area and the reference plane is specified by the two-dimensional coordinates (a, j) and (a, b) of the two image designated points.

  In addition, the procedure shown here is an example and is not limited to this. For example, the ground point designation process in step S14-2 and the designation area itself designation process in step S14-4 may be interchanged. In this case, when the two-dimensional coordinates (a, b), (c, b), (e, g), and (a, d) of the image designated point specifying the designated area itself are acquired, the two-dimensional coordinates ( Based on a, b), (c, b), (e, g), (a, d), a space that can be a grounding point is obtained, and an area on the image corresponding to the space is obtained by calculation to display the display unit 38. It is preferable to present it together with an image on the screen. As a result, the user can easily designate an image designated point indicating a grounding point.

  In step S14-5, a message prompting the user to input an attribute of the designated area is displayed on the display unit 38, and attribute information for the designated area is acquired from the user. The attribute of the designated area means a parameter indicating how each designated area is handled when performing the monitoring target detection process. For example, each of the designated areas referenced in the detection process is a priority monitoring range (first range) that immediately outputs an alarm when the monitoring target is included in the designated area, and an alarm if the monitoring target is included in the designated area for a predetermined time or more. Monitoring range (second range), general non-monitoring range (third range) in the vicinity of the below-described priority non-monitoring range, and non-monitoring range that does not output an alarm even if the monitoring target is included in the specified area (Fourth range) is classified into four stages, and the input unit 36 is used to allow the user to input attributes of each space. Two-dimensional coordinate information and attributes on the image for each space are associated with each other and stored and held in the storage unit 34.

  In the present embodiment, the attribute information is acquired from the user for all the designated areas. However, the present invention is not limited to this, and at least one attribute may be automatically determined. For example, attribute determination conditions are registered in the storage unit 34 of the setting device 14 in association with the position, shape, size, or combination of the specified areas, and the conditions that the specified area specified by the user satisfies are satisfied. Accordingly, the attribute for each designated area can be automatically determined.

  For example, the user designates an image designated point only for a designated area that is set as the priority monitoring range (first range), and a space that is closer than the predetermined distance R1 from the designated area that becomes the priority monitoring range (first range) in step S16. A designated area to be a general monitoring range (second range) is set, and a space that is a predetermined distance R1 or more away from the designated area to be a priority monitoring range (first range) and closer to the distance R2 is a general non-monitoring range (third Range), and a space that is a predetermined distance R2 or more away from the designated area that is the priority monitoring range (first range) can be the designated area that is the priority non-monitoring range (fourth range).

  Also, the number of attributes is not limited to four. Each space may be classified by a combination of a plurality of different types of attributes. Thereby, the detection process of the monitoring target can be a process according to the attribute or a combination thereof.

  In step S14-6, it is determined whether or not the input of the image designated point has been completed by the user for all designated areas. On the screen of the display unit 38, a message asking the user whether or not to designate the designated area is displayed. The user uses the input unit 36 to input whether or not the designation has been completed for all designated areas. If the designation has been completed for all designated areas, the process proceeds to step S16 of the main routine. If the designation has not been completed for all spaces, the process returns to step S14-1.

In step S16, the three-dimensional coordinates of the point in the real space for specifying the designated area are obtained based on the two-dimensional coordinates of the designated image point on the image. Let (X, Y, Z) represent the coordinates of each designated point in real space in the orthogonal coordinate format. As shown in FIGS. 8 and 9, the orthogonal coordinates in the real space are defined by defining a perpendicular passing through the lens center L ₀ as the z axis, and virtually defining the x axis and the y axis on the floor surface as the floor surface. The coordinates of the coordinate system.

First, the three-dimensional coordinates (X, Y, 0) of the ground point on the reference plane (floor surface) are calculated based on the two-dimensional coordinates (a, j) of the first image designated point indicating the ground point. . If the center of the image is the origin, as shown in FIGS. 4 and 5, the three-dimensional coordinates (X, Y, 0) of the ground point are expressed by using the two-dimensional coordinates (a, j) of the first image designated point. It is obtained by (1) and (2).

The reference point of the designated area is located vertically above the grounding point. Therefore, as shown in FIG. 8, the three-dimensional coordinates (X, Y, Z) of the second point corresponding to the two-dimensional coordinates (a, b) of the second image designated point are expressed by the equations (1) to (3 ).

Here, the second two-dimensional coordinates (c, b) of the third image designated point indicating the width of the designated area and the second two-dimensional coordinates (e, g) of the fourth image designated point indicating the depth of the designated area. The three-dimensional coordinates (r, Y, Z) of the third point and the three-dimensional coordinates (t _x , t _y , Z) of the fourth point are the same as the three-dimensional coordinates (X, Y, Z) of the second point. Located at the same height. Accordingly, as shown in FIG. 8 and FIG. 9, the three-dimensional coordinates (r, Y, Z) of the third point and the fourth image corresponding to the two-dimensional coordinates (c, b) of the third image designated point. The three-dimensional coordinates (t _x , t _y , Z) of the fourth point corresponding to the two-dimensional coordinates (e, g) of the designated point are obtained by the equations (4) to (6).

Further, the three-dimensional coordinates (X, Y, s) of the fifth point corresponding to the two-dimensional coordinates (a, d) of the fifth image designated point indicating the height of the designated area are the first three-dimensional coordinates. (X, Y, 0) and the second three-dimensional coordinate (X, Y, Z) are in a straight line with the vertical direction. Therefore, the three-dimensional coordinates (X, Y, s) of the fifth point corresponding to the two-dimensional coordinates (a, d) of the fifth image designated point are obtained by Expression (7).

Here, h is the height of the installation position of the imaging unit 12 with respect to the reference plane (floor surface) in real space, ρ is the depression angle with respect to the reference plane (floor surface) of the imaging unit 12 in real space, and f is on the image. This is the distance from the center point S ₀ to the lens center L ₀ of the imaging unit 12. The captured image can be reduced or enlarged at any scale or magnification. Therefore, when the captured image is reduced or enlarged, the center point S ₀ on the screen 50 and the lens of the imaging unit 12 when the reduced or enlarged image is taken on the screen 50 in the real space by the imaging unit 12. The apparent distance to the center L ₀ is f.

As described above, the width x, the depth y, and the height z of the designated area can be calculated using the equations (8) to (10), respectively.

と書き直すこともできる。この数式を用いて数式（８）を導いている。 Note that when looking at Equation (4), if the height Z of the point in the real space is known, the x coordinate in the real space can be calculated from the coordinates of the point on the image (in this case, (c, b)). It can be seen that it can be calculated. Therefore, since Z has already been calculated by the formula (3), the x coordinate X in the real space for the point (a, b) is not used by the formula (1).

It can also be rewritten. Formula (8) is derived using this formula.

Further, when a monitoring device that detects the position of the monitoring target by polar coordinates such as the distance, horizontal angle, and vertical angle from the detection wave transmission / reception unit 20, the distance R, horizontal angle θ, and vertical angle from the detection wave transmission / reception unit 20 is used. The designated area is preferably represented by φ. In this case, the coordinates of the designated area represented by the orthogonal coordinate system can be converted into the coordinates of the designated area represented by the polar coordinate system using the equations (11) to (13).

  In step S <b> 18, it is determined whether or not the calculated designated area is included in a range that can be monitored by the monitoring apparatus 10. The detection range calculation unit 32 reads information on the visual field range of the detection wave transmission / reception unit 20 stored in the storage unit 24 of the monitoring device 10, and the designated region obtained by the calculation process in step S <b> 16 is a visual field range (monitorable). It is determined whether it is included in the (spatial range). If all the designated areas are included in the visual field range of the monitoring apparatus 10, the process proceeds to step S20. On the other hand, if at least one designated area is not included in the visual field range of the monitoring apparatus 10, the process returns to step S12. In this case, it is also preferable to display a warning on the display unit 38, or to display a designated area designated beyond the space that can be monitored on the image displayed on the display unit 38. .

  In step S20, the validity of the designated area is evaluated based on the actual detection processing target area in the monitoring apparatus 10. Here, the detection processing target area means an area including the designated area, and is an area that has expanded in consideration of the uncertainty of the detection range of the monitoring device 10.

  For example, when only the distance to the object and the horizontal angle between the object and the two-dimensional sensor can be used, the monitoring apparatus 10 has uncertainty in detecting the vertical angle as shown in FIG. At this time, as shown in FIG. 10, the distance range Rr of the detection processing target region 60 is a range from a point A closest to the detected wave transmitting / receiving unit 20 to a point B farthest from the calculated designation region 62. Further, the horizontal angle θr of the detection processing target area 60 (the angle in the direction orthogonal to the paper surface of FIG. 10) coincides with the horizontal angle θ of the designated area 62. On the other hand, the vertical angle φr of the detection processing target region 60 does not coincide with the vertical angle φ of the designated region 62 and has a spread corresponding to the directivity of the detection device 10 in the vertical direction as shown in FIG. Have.

  In the detection range calculation unit 32, it is determined whether or not the detection processing target area specified by the distance range Rr, the horizontal angle θr, and the vertical angle φr includes a designated area. If the detection process target area includes the designated area, the process proceeds to step S24, and if not, the process proceeds to step S22.

  It is also preferable to examine the positions of the detection processing target area and the designated area and determine whether or not the designated area is completely included in the detection processing target area. In this case, if a part of the designated area is not included in the detection process target area, the process proceeds to step S22, and if it is completely included, the process proceeds to step S24.

  In step S22, information indicating a warning to the user is displayed on the display unit 38. The detection range calculation unit 32 outputs a warning signal to the display unit 38 and causes the display unit 38 to display warning information. For example, the user is presented with a message indicating that the designated area is inappropriate and there is a possibility of omission of detection (missing report) or that the designated area should be set again.

  In addition, as shown in FIG. 11, it is also preferable that an image 72 indicating an area corresponding to the designated area and an image 74 indicating an area corresponding to the detection processing target area of the monitoring device are superimposed and displayed on the display unit 38. is there. At this time, it is more preferable to display these images superimposed on the captured image 70.

First, the three-dimensional coordinates of each vertex of the detection processing target area are obtained from the distance range Rr, the horizontal angle θr, and the vertical angle φr that specify the detection processing target area. Next, the three-dimensional coordinates of each vertex are inversely converted into two-dimensional coordinates on the image of the captured image. The conversion formula from the two-dimensional coordinates (i, j) on the captured image to the three-dimensional coordinates (X, Y, Z) in the real space for the point existing at the height Z in the real space is expressed by the following equations (14), (15 ). Therefore, the inverse transformation from the three-dimensional coordinates (X, Y, Z) in the real space to the two-dimensional coordinates (i, j) on the captured image can be performed using Equations (16) and (17). An image connecting the vertices on the calculated captured image indicates a region corresponding to the detection processing target region on the captured image. On the other hand, an area on the captured image corresponding to the designated area is defined by an image designation point on the captured image designated by the user.

  In step S24, it is determined whether or not the designated area is designated again. The user confirms the warning information displayed in step S22, and inputs whether or not to re-designate the designated area using the input unit 36. The detection range calculation unit 32 receives the input from the user and returns the process to step S12 when the designated area is redesignated, and shifts the process to step S26 when not designated again. Similarly, when it is desired to designate a plurality of designated spaces, the process returns to step S12.

  In step S <b> 26, the designated area is stored and held in the storage unit 24 of the monitoring apparatus 10. Three-dimensional coordinates and attributes for specifying each designated area are transmitted from the detection range calculation unit 32 of the setting device 14 to the storage unit 24 of the monitoring device 10, and the three-dimensional coordinates and attributes are specified in the storage unit 24. Stored in association with each region.

  In the present embodiment, the monitoring apparatus 10 has been described as including a two-dimensional sensor that can detect only the distance and the horizontal angle, but the present invention is not limited to this. In other words, any process may be used as long as the process is performed based on the difference between the designated area designated by the user and the detection process target area that is actually detected by the sensor. Therefore, even in the monitoring apparatus 10 including a one-dimensional sensor that can specify only one of the distance, the horizontal angle, and the vertical angle, the same processing is performed by determining the detection processing target region based on the detection uncertainty. be able to.

  The monitoring target detection process by the monitoring apparatus 10 in the present embodiment will be described. Hereinafter, a case where the monitoring target is “person” will be described as an example. For example, this corresponds to a case where the monitoring device 10 is installed under the eaves of a house to detect an intruder who crosses a wall. Each designated area has one attribute of a priority monitoring range (first range), a general monitoring range (second range), a general non-monitoring range (third range), and a priority non-monitoring range (fourth range). It shall be specified. The monitoring target detection process is executed according to the flowchart shown in FIG.

  In step S <b> 30, the position information of the object existing in the monitorable space is acquired from the received signal of the detected wave transmission / reception unit 20. In the present embodiment, the object detection processing unit 22 receives the reception signal of the detection wave transmission / reception unit 20 and based on the intensity difference and phase difference between the Doppler component and the antenna included in the reception signal by the two-frequency CW monopulse method. Position information such as the distance to the object in the monitoring space and the angle (horizontal angle or vertical angle) with respect to the object, and feature quantities such as the size, shape, and moving speed of the object are obtained.

  In step S32, it is determined whether or not the detected object is a person. The object detection processing unit 22 investigates whether or not the feature amount (size, shape, moving speed, etc.) extracted for each of the objects detected in step S30 represents “humanity”. An existing technique can be applied to the process of determining whether or not the detected object is a monitoring target. If it is determined that at least one of the objects detected in the monitoring space of the detection wave transmitting / receiving unit 20 is a person, the process proceeds to step S34, and if not, the process returns to step S30.

  In step S34, an evaluation value V for determining whether or not to output an alarm to the monitoring target is set. The object detection processing unit 22 sets the evaluation value V based on the relationship between the detected object and the attribute of the designated area. The processing in this step S34 is made into a subroutine as shown in the flowchart of FIG.

  In step S34-1, it is determined whether or not the position of the monitoring target determined to be a person is outside the priority non-monitoring range. The object detection processing unit 22 shifts the process to step S34-2 when the position of the monitoring target determined to be a person exists in the priority monitoring range, the general monitoring range, or the general non-monitoring range, and otherwise, The process returns to step S30 of the main routine.

  In step S34-2, it is determined whether the timer is being activated. The object detection processing unit 22 shifts the process to step S34-4 when the timer is activated, and activates the timer at step S34-3 when the timer is not activated, and then proceeds to step S34-4. Shift processing. The timer is preferably built in the object detection processing unit 22 in advance. In addition, the timer is automatically reset when a predetermined time elapses from activation.

In step S34-4, it is determined whether or not the position of the monitoring target determined to be a person exists in the priority monitoring range. The object detection processing unit 22 shifts the process to step S34-5 to set the evaluation value V to a value equal to or higher than the threshold value V _th when the monitoring target determined to be a person exists in the priority monitoring range, and performs the process. Return to the main routine. On the other hand, when the monitoring target does not exist in the priority monitoring range, the object detection processing unit 22 shifts the processing to step S34-6.

In step S34-6, it is determined whether or not the position of the monitoring target exists in the general monitoring range. When the monitoring target is in the general monitoring range, the object detection processing unit 22 shifts the process to step S34-7, adds the value α to the evaluation value V, and further shifts the process to step S34-10. The value α is a value smaller than the threshold value V _th . On the other hand, when the monitoring target does not exist in the general monitoring range, the object detection processing unit 22 shifts the processing to step S34-8.

  In step S34-8, the value β is added to the evaluation value V, and the process proceeds to step S34-9. However, it is preferable that the value β <value α.

In step S34-9, it is determined whether or not the position of the monitoring target remains in the general non-monitoring range for a longer time than the predetermined time _Tth . The stay time of the monitoring target can be known by the timer set in step S34. If the position of the monitoring target remains in the general non-monitoring range for a longer time than the predetermined time T _th , the monitoring target is likely to detect an object that is not a person, for example, a planting shake, so that the object is monitored. It is considered to be an object that may be excluded from the target. Therefore, the object detection processing unit 22 shifts the processing to step S34-11, subtracts the value δ from the evaluation value V, and returns the processing to the main routine. The value δ is preferably a value smaller than the threshold value V _th . On the other hand, when the time during which the position of the monitoring target remains in the general non-monitoring range is equal to or shorter than the predetermined time T _th , the object detection processing unit 22 shifts the processing to step S34-10.

In step S34-10, it is determined whether or not the position of the monitoring target is approaching the priority monitoring range. The object detection processing unit 22 determines whether the position of the monitoring target is approaching the priority monitoring range based on the moving speed of the monitoring target in the real space. If the position of the monitoring target is approaching the priority monitoring range, the object detection processing unit 22 shifts the processing to step S34-12, adds the value ε to the evaluation value V, and returns the processing to the main routine. The value ε is preferably a value smaller than the threshold value V _th . On the other hand, when the position of the monitoring target is not close to the priority monitoring range, the object detection processing unit 22 returns the processing to the main routine.

  In this way, the evaluation value V for the monitoring target is set. Whether or not an alarm should be issued can be determined based on the evaluation value V. Further, by classifying the designated area into a plurality of attributes, the evaluation can be weighted according to the attributes of each designated area. In addition, it is possible to perform evaluation according to the stay time of the monitoring target, the moving direction of the monitoring target, and the moving speed in association with the attribute of each designated area.

In addition, when there are a plurality of monitoring targets determined to be people in the monitoring space, it is preferable to set individual evaluation values V for each. In this case, in the following processing, it is determined whether or not to issue an alarm based on the evaluation value V for each monitoring target. Further, when there are a plurality of monitoring targets determined to be humans in the monitoring space, one evaluation value V _all may be set for all the monitoring targets. In this case, for example, the sum of the evaluation values V for all the monitoring targets is set as the overall evaluation value V _all . In the following processing, it is determined whether or not to issue an alarm based on the evaluation value V _all .

In step S36, it is determined whether or not an alarm is output for the monitoring target. If the evaluation value V is equal to or greater than the predetermined threshold value V _th , the object detection processing unit 22 shifts the process to step S38 and outputs an alarm. On the other hand, if the evaluation value V is smaller than the threshold value _Vth , the process proceeds to step S40.

  In step S38, an alarm is output. The object detection processing unit 22 outputs an alarm output control signal to the output unit 26. Upon receiving the alarm output control signal, the output unit 26 outputs the alarm signal to a computer installed in an external monitoring room via a communication network such as the Internet, for example.

In step S40, it is determined whether or not the timer is _{equal to} or longer than a predetermined elapsed time _Tup . If the timer is equal to or longer than the predetermined elapsed time _Tup , the object detection processing unit 22 resets the timer and the evaluation value V in step S42, and then returns the process to step S30. Accordingly, if the timer has not reached the predetermined elapsed time _Tup , the object detection processing unit 22 returns the process to step S30 as it is.

  As described above, according to the present embodiment, it is possible to set a designated space that is referred to in the detection process using an image obtained by capturing a monitorable space, and to monitor a detection target based on the designated space. . In particular, the designated space in the real space can be set only by designating the two-dimensional coordinates of a plurality of image designated points on the image, and the burden on the user can be greatly reduced. Further, a warning can be issued to the user based on the difference between the designated space and the actually monitored space. Thereby, when the designated area is set as the monitoring area, it is possible to make the user recognize the possibility that a false alarm is generated due to the uncertainty of the sensing range of the monitoring device. In addition, when the designated area is set as a non-monitoring area, the user can be made aware of the possibility that a misreport will occur due to the uncertainty of the sensing range of the monitoring device.

  The monitoring target of the present invention is not limited to an intruder or the like. For example, it is used for detecting the presence of a sculpture placed on a high pedestal, the presence of a picture hung on the wall of a museum, Can also be used. In this case, an alarm is output when there is no monitoring target in the monitoring area.

  In the present embodiment, an example in which the designated area is a rectangular parallelepiped space has been described. However, the present invention is not limited to this. The technical idea of the present invention can be applied if the reference point and the grounding point of the designated area are on the vertical line. That is, if the image designated point on the image corresponding to the reference point of the designated area and the image designated point on the image corresponding to the grounding point are designated on the screen, the bottom surface of the designated area in the monitoring space and the reference plane The difference in height can be calculated. If the point specifying the bottom surface of the designated area and the point specifying the top surface of the designated area are on the vertical line, the entire designated area can be specified. That is, if the image designation point on the image corresponding to the point specifying the bottom surface of the designated area and the image designation point on the image corresponding to the point specifying the top surface of the designated area are designated on the screen, The difference in height between the bottom surface and the top surface of the designated area can be calculated.

  For example, a triangular pyramid space whose vertices are two-dimensional coordinates (a, b), (c, b), (e, g), and (a, d) of image designated points on the image is processed as the designated region. be able to.

  Further, the two-dimensional coordinates (a, b) of the image designated point on the image for specifying the height of the bottom surface of the designated area and the two-dimensional coordinates (a of the image designated point on the image for specifying the height of the top surface of the designated area , D), the bottom surface or top surface of the designated area can be processed as having a predetermined shape. For example, it is possible to process the width or depth of the specified area of the rectangular parallelepiped as a default value.

  As a specific example, if the object to be monitored is an object with a small depth such as a picture or a flag, and a certain level of detection error can be tolerated, the designated area is specified by four designated image points: ground point, reference point, width and height May be. In this case, the depth for specifying the designated area is a predetermined value.

  It is also possible to designate a designated area having a more complicated shape. Designate the two-dimensional coordinates (a, j) of the image designated point corresponding to the ground point and the two-dimensional coordinates (a, b) of the image designated point on the image corresponding to the point specifying the bottom height of the designated area. After that, all the image designated points corresponding to the points that specify the shape of the bottom surface of the designated region are designated. Next, after designating the two-dimensional coordinates (a, d) of the image designated point on the image corresponding to the point for specifying the height of the upper surface of the designated region, it corresponds to the point for specifying the shape of the upper surface of the designated region. Specify all image designation points. Furthermore, the correspondence between the image designation point corresponding to the point specifying the shape of the bottom surface of the designated area and the image designation point corresponding to the point specifying the shape of the top surface of the designated area is designated. For example, when a certain image designation point corresponding to a point that specifies the shape of the bottom surface of the designated area is clicked using a pointing device or the like, the image designation point that identifies the image designation point and the shape of the top surface of the designated area that can correspond to the image designated point Are displayed on the display unit 38. When a plurality of line segments are displayed, when the user clicks one of the line segments using a pointing device or the like, the image designated point corresponding to the point that specifies the shape of the bottom surface of the designated area and the top surface of the designated area are displayed. The image designation point corresponding to the point specifying the shape is associated. Based on these correspondences, it is possible to calculate the three-dimensional coordinates of the point that specifies the designated region, assuming that the bottom surface and the top surface of the designated region are in a plane parallel to the reference plane.

  Further, the upper surface of the designated area that has already been designated is regarded as the bottom face of the new designated area, and a designated area having a complicated arbitrary shape is designated by causing an image designated point that identifies the upper surface of the new designated area to be designated. You can also.

  Note that the correspondence between the image designation point corresponding to the point specifying the shape of the bottom surface of the designated area and the image designation point corresponding to the point specifying the shape of the top surface of the designated area is inaccurate, and the designated area is a polyhedron. When not configured, it is also preferable to display a warning on the display unit 38.

It is a block diagram which shows the structure of the monitoring system in embodiment of this invention. It is a figure which shows the example of installation of the monitoring apparatus and imaging device in embodiment of this invention. It is a flowchart which shows the setting method of the designated area | region in embodiment of this invention. It is a figure explaining the relationship between the three-dimensional coordinate of the grounding point and the two-dimensional coordinate of an image designation | designated point in embodiment of this invention. It is a figure explaining the relationship between the three-dimensional coordinate of the grounding point and the two-dimensional coordinate of an image designation | designated point in embodiment of this invention. It is a flowchart which shows the designation | designated method of the designation | designated area | region in embodiment of this invention. It is a figure explaining the designation | designated method of the designation | designated area | region in embodiment of this invention. It is a figure explaining the relationship between the three-dimensional coordinate of the designation | designated area | region and the two-dimensional coordinate of an image designation | designated point in embodiment of this invention. It is a figure explaining the relationship between the three-dimensional coordinate of the designation | designated area | region and the two-dimensional coordinate of an image designation | designated point in embodiment of this invention. It is a figure which shows the example of the designation | designated area | region and detection process object area | region in embodiment of this invention. It is a figure which shows the example of the screen which displayed the area | region corresponding to the designation | designated area | region and the area | region corresponding to a detection process target area in embodiment of this invention. It is a flowchart which shows the detection method of the object in embodiment of this invention. It is a flowchart which shows the detection method of the object based on the attribute in embodiment of this invention. It is a figure explaining the uncertainty of the detection of the vertical angle in the conventional two-dimensional sensor.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 Monitoring apparatus, 12 Imaging part, 14 Setting apparatus, 20 Detection wave transmission / reception part, 22 Output part, 22 Object detection process part, 24 Storage part, 26 Output part, 30 Input / output interface, 32 Detection range calculation part, 34 Storage part , 36 input unit, 38 display unit, 50 screen, 60 detection process target area, 62 designated area, 70 captured image, 72 area corresponding to the specified area, 74 area corresponding to the detection process target area, 100 monitoring system.

Claims (2)

An input interface for acquiring an image obtained by imaging all or part of a monitoring space of a monitoring device that measures a one-dimensional or two-dimensional position;
In response to designation of a plurality of image designation points on the image, three-dimensional coordinates for specifying a designated area to which the monitoring device refers in object detection processing are calculated from the two-dimensional coordinates on the image of the image designation points. And
A detection range calculation unit that converts a three-dimensional coordinate that specifies a detection processing target area that is the target of the detection process by the monitoring device into a two-dimensional coordinate on the image;
A display unit for presenting the image to the user;
With
The setting device, wherein the display unit displays an image indicating an area corresponding to the designated area and an image indicating an area corresponding to the detection processing target area in a superimposed manner. The setting device according to claim 1,
A setting device that issues a warning when there is a difference between the detection processing target area and the designated area.

Images