WO2019202951A1

WO2019202951A1 - Heating cooking system, and method for notifying installation state of camera for capturing image of heating cooker.

Info

Publication number: WO2019202951A1
Application number: PCT/JP2019/014064
Authority: WO
Inventors: 幸　裕弘; 貞平　匡史; 藤濤　知也; ザリナラフィー
Original assignee: パナソニックＩｐマネジメント株式会社
Priority date: 2018-04-19
Filing date: 2019-03-29
Publication date: 2019-10-24
Also published as: JP7142320B2; JP2019192355A; CN111034355A

Abstract

A heating cooking system, provided with: a top plate having marker information; a heating unit; a heating control unit for controlling the amount of heating of a cooking container by the heating unit; a camera disposed at a position set away from the top plate, the camera pointing at the top plate; a marker information extraction unit for extracting the marker information included in an image captured by the camera; a first determining unit for determining whether or not the extracted marker information is included in a stipulated range of the image; and a notification unit for notifying the installation state of the camera on the basis of the result of the determination by the first determining unit.

Description

Heat cooking system and method for notifying the installation state of a camera for photographing a heating cooker

The present disclosure relates to a heating cooking system and a method for notifying an installation state of a camera that photographs a cooking device.

Conventionally, there is a cooking device equipped with a cooking status recognition unit that recognizes the cooking status of a heated object to be cooked.

For example, in the heating cooker of Patent Document 1, a temperature sensor is arranged in the range hood. The temperature sensor measures the temperature of the food to be heated by the cooking device. The air volume of the range hood is controlled according to the measured temperature. As described above, Patent Literature 1 describes that the cooking status recognition unit recognizes the cooking status using the temperature sensor.

Japanese Patent No. 5887481

It is expected that more detailed cooking information can be obtained by installing a camera above the cooking device in order to recognize the cooking status of the object to be heated. However, there may be a case where the object to be heated or the pan that accommodates the object to be heated cannot be properly photographed due to the displacement of the camera.

Therefore, an object of the present disclosure is to solve the above-described problem, and to realize appropriate photographing by making the user recognize the presence / absence of a positional deviation of a camera that photographs the cooking device from above.

In order to achieve the above object, a cooking system according to one aspect of the present disclosure includes a top plate, a heating unit, a heating control unit, a camera, a marker information extraction unit, a first determination unit, and a notification unit. And comprising. On the top plate, a container for storing an object to be heated is placed and has marker information. The heating unit heats the container from below. The heating control unit controls a heating amount from the heating unit to the container. The camera is disposed at a position away from the top plate and is directed toward the top plate. The marker information extraction unit extracts the marker information included in an image photographed by the camera. The first determination unit determines whether or not the extracted marker information is included in a prescribed range of the image. The notification unit notifies the installation state of the camera based on a determination result by the first determination unit.

In addition, according to one aspect of the present disclosure, a method for notifying the installation state of a camera in a heating cooker includes: a top plate on which a container that accommodates an object to be heated is placed; marker plate information; And a heating unit that performs a notification of an installation state of a camera that photographs a heating cooker. In this method, an image taken by the camera is input. In addition, the marker information included in the image is extracted. Further, it is determined whether or not the extracted marker information is included in a prescribed range of the image. Further, based on the determination result, a notification signal for notifying the installation state of the camera is output.

The present disclosure can realize appropriate shooting by making the user recognize the presence or absence of a positional shift of the camera that shoots the cooking device from above.

The perspective view of the heat cooking system which concerns on Embodiment 1. FIG. Top view of cooking device The block diagram which shows the control system of the heat cooking system which concerns on Embodiment 1. FIG. Side view showing the installed state of the cooking system The figure which shows an example of the picked-up image of a camera The figure which shows an example of the guidance of the position correction of a cooking condition recognition part The figure which shows an example of the picked-up image of a camera The figure which shows an example of the guidance of the installation state of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the guidance of the position correction of a cooking condition recognition part The figure which shows an example of the picked-up image of a camera The figure which shows an example of the guidance of the position correction of a cooking condition recognition part The figure which shows an example of the picked-up image of a camera The figure which shows an example of the guidance of the position correction of a cooking condition recognition part The figure which shows an example of the picked-up image of a camera The figure which shows an example of the guidance of the position correction of a cooking condition recognition part The figure which shows an example of the guidance of the position correction of a cooking condition recognition part The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the guidance of the position correction of a cooking condition recognition part Flow chart showing the flow of camera position correction guidance The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The block diagram which shows the control system of the heat cooking system which concerns on Embodiment 3. FIG. Side view showing the installed state of the cooking system The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure explaining the height position of a cooking condition recognition part The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera The figure which shows an example of the picked-up image of a camera Flow chart showing the flow of camera position correction guidance The block diagram which shows the control system of the heat cooking system which concerns on Embodiment 4. FIG. Block diagram showing a control system of a cooking system according to Embodiment 5 The figure explaining schematic structure of a heating cooking system A block diagram showing a control system of a cooking system according to a sixth embodiment Bottom view of the detection unit of the cooking status recognition unit The figure explaining schematic structure of a heating cooking system The figure which shows an example of the marker projected from the adjustment guide projection part The figure which shows an example of the marker projected from the adjustment guide projection part The figure which shows an example of a display part The figure which shows the positional relationship of the main body of a heating cooker, and the picked-up image of a camera The figure which shows an example of a display part The figure which shows an example of a display part The figure which shows an example of a display part The figure which shows an example of a display part The figure which shows the positional relationship of the main body of a heating cooker, and the picked-up image of a camera The figure which shows the positional relationship of the main body of a heating cooker, and the picked-up image of a camera Top view showing an example of a cooking device The figure which shows the positional relationship of the main body of a heating cooker, and the picked-up image of a camera The figure which shows an example of the guidance information displayed on a display part The figure which shows the positional relationship of the main body of a heating cooker, and the picked-up image of a camera Side view showing the installed state of the cooking system The figure which shows the positional relationship of the main body of a heating cooker, and the picked-up image of a camera Side view showing the installed state of the cooking system The figure which shows the positional relationship of the main body of a heating cooker, and the picked-up image of a camera

According to one aspect of the present disclosure, there is provided a cooking system including a top plate, a heating unit, a heating control unit, a camera, a marker information extraction unit, a first determination unit, and a notification unit. The On the top plate, a container for storing an object to be heated is placed and has marker information. The heating unit heats the container from below. The heating control unit controls a heating amount from the heating unit to the container. The camera is disposed at a position away from the top plate and is directed toward the top plate. The marker information extraction unit extracts the marker information included in an image photographed by the camera. The first determination unit determines whether or not the extracted marker information is included in a prescribed range of the image. The notification unit notifies the installation state of the camera based on a determination result by the first determination unit.

When the first determination unit determines that the extracted marker information is not included in the specified range of the image, the notification unit may notify the abnormal installation state of the camera. Good.

The heating cooking system may include a communication unit that wirelessly communicates the abnormal installation state of the camera to an external device having the notification unit. When the first determination unit determines that the extracted marker information is not included in the specified range of the image, the communication unit displays information on the abnormal installation state of the camera. The information may be transmitted to an external device, and the notification unit of the external device may notify the abnormal installation state of the camera.

The cooking system may include a second determination unit that determines whether or not the height position of the camera is included in a range of a specified height position based on the extracted marker information. . When the second determination unit determines that the height position of the camera is not included in the range of the specified height position, the notification unit may notify the abnormal installation state of the camera. Good.

The cooking system may include a guide information output unit that outputs guide information for adjusting the position of the camera in accordance with the installation state of the camera. When the first determination unit determines that the extracted marker information is not included in the specified range of the image, the guidance information output unit stores the extracted marker information in the image The guidance information for guiding the change of the installation state of the camera may be output to the notification unit so as to be included in the prescribed range.

The cooking system may include a guide information output unit that outputs guide information for adjusting the position of the camera in accordance with the installation state of the camera. When the second determination unit determines that the height position of the camera is not included in the range of the specified height position, the guidance information output unit determines the height position of the camera. You may output the said guidance information which guides the change of the said installation state of the said camera to the said alerting | reporting part so that it may be contained in the range of the said specified height position.

The heating cooking system may include a camera position estimating unit that estimates the height position of the camera as installation information related to the installation state of the camera based on distortion of the extracted marker information. The guide information output unit may output the guide information according to position adjustment data recorded in advance corresponding to the estimated height position.

The heating cooking system may include a storage unit that records the estimated installation information. When the difference between the installation information obtained based on the image taken by the camera last time and the installation information obtained based on the image taken thereafter exceeds a predetermined range, the first determination unit The determination by may be performed.

The camera may take a picture during cooking of the object to be heated. The first determination unit may detect whether or not the installation state of the camera has changed by making a determination even during cooking of the object to be heated. When the change in the installation state is detected, the guide information output unit may output the guide information, or the heating control unit may stop heating from the heating unit.

The marker information may be turned on or blinked in at least one of a specified position, a specified color, and a specified order.

The guidance information output unit may display a specified symbol or pattern as the marker information.

The external device may be a mobile terminal or an integrated control unit disposed in a house having at least one of a display unit and an audio output unit.

The heating cooking system may include an electric drive unit that can electrically adjust the shooting direction of the camera. The electric drive unit may automatically adjust the shooting direction of the camera so that the first determination unit determines that the extracted marker information is included in the prescribed range of the image. Good.

The cooking system may include the camera and a cooking status recognition unit that is disposed at a position away from the top plate and includes a temperature detection unit directed to the top plate. The camera and the temperature detection unit may be arranged in the same direction.

The heating cooking system may include a guide projection unit disposed at a position away from the top plate and directed toward the top plate. The top plate may have a target marker indicating a predetermined adjustment target position. The guide projection unit may be capable of projecting a projection marker indicating a shooting direction of the camera. It may be possible to adjust the shooting direction of the camera by reducing a difference in physical distance between the target marker and the projection marker.

The heating cooking system may be provided at a position away from the top plate and may include a guide projection unit directed to the top plate. The top plate may have a target marker indicating a predetermined adjustment target position. The guide projection unit may be capable of projecting a projection marker indicating the shooting direction of the camera. It may be possible to adjust the shooting direction of the camera by reducing a difference in physical distance between the target marker and the projection marker.

The heating unit may include a heating coil that generates an induction magnetic field to heat the container. The heating control unit may heat the container by supplying a high frequency current to the heating coil.

The marker information of the top plate may be a size that is 1/100 or more of the number of recognizable pixels of the camera in an image taken by the camera.

The distance from the camera to the top plate may be 600 mm or more and 2000 mm or less.

Moreover, according to one aspect of the present disclosure, a heating cooker including a top plate that has a container for storing an object to be heated and has marker information and a heating unit that heats the container from below is photographed. A method for notifying the installation state of a camera is provided. In this method, an image taken by the camera is input. In addition, the marker information included in the image is extracted. Further, it is determined whether or not the extracted marker information is included in a prescribed range of the image. Further, based on the determination result, a notification signal for notifying the installation state of the camera is output.

(Embodiment 1)
Hereinafter, the cooking system according to Embodiment 1 of the present disclosure will be described with reference to FIGS. 1 to 4. FIG. 1 is a perspective view of a cooking system 100 according to Embodiment 1 of the present disclosure. FIG. 2 is a top view of the heating cooker 1 according to the first embodiment. FIG. 3 is a block diagram showing a control system of the heating cooking system 100. FIG. 4 is a side view showing an installation state of the cooking system. In the figure, the X-axis direction indicates the longitudinal direction of the heating cooker 1 when viewed from above, and the Y-axis direction indicates the front-rear direction. The Z-axis direction indicates the height direction. Further, the positive direction of the X axis is the right side, and the negative direction is the left side. The positive direction of the Y axis is the rear and the negative direction is the front.

As shown in FIG. 1, the cooking system 100 includes a cooking device 1 and a cooking status recognition unit 19. The heating cooker 1 includes a main body 3 and a top plate 5 on which the container Cr is placed as an upper portion of the main body 3. In the container Cr, for example, a heated object Tc as a cooking target such as a stew is accommodated.

Moreover, in the case of Embodiment 1, the heating cooker 1 is an induction heating cooker, Comprising: As shown in FIG. 1, below the container mounting area | region in the top plate 5, it cooks in the inside of the main body 3. Heating coils 7 </ b> A, 7 </ b> B, and 7 </ b> C are arranged as heating portions of the vessel 1. Ring-shaped

markers

8A, 8B, and 8C indicating the container placement areas are printed on the top plate 5 above the

corresponding heating coils

7A, 7B, and 7C, respectively. The heating coils 7A to 7C generate an induction magnetic field to heat the container Cr. The coil controller 10 supplies the high frequency current to the heating coils 7A to 7C to heat the container Cr. The coil controller 10 controls the amount of current that flows through the heating coils 7A to 7C.

Further, in the top view, the

light emitting portions

6A, 6B, and 6C that shine in a ring shape are arranged on the top plate 5 outside the heating coils 7A, 7B, and 7C, respectively. For example, the

light emitting units

6A, 6B, and 6C emit light when current flows through the

corresponding heating coils

7A, 7B, and 7C. The light emitting units 6A to 6C have, for example, LED light emitting substrates.

A plurality of

operation input units

9A, 9B, and 9C are arranged on the front side of the top plate 5 of the heating cooker 1 as operation units for the user to operate each of the heating coils 7A to 7C. The operation input units 9A to 9C may be touch keys or a touch panel, for example. The operation input unit 9A and the heating coil 7A, the operation input unit 9B and the heating coil 7B, and the operation input unit 9C and the heating coil 7C correspond to each other. In response to the operation instruction received by the operation input unit 9A, the coil control unit 10 controls the start or stop of heating of the heating coil 7A. Moreover, according to the operation instruction received by the operation input unit 9A, the coil control unit 10 adjusts the heating level of the heating coil 7A in, for example, four stages. Similarly, the coil control unit 10 controls the heating of the heating coil 7B according to the operation instruction received by the operation input unit 9B. Further, the coil control unit 10 controls the heating of the heating coil 7C according to the operation instruction received by the operation input unit 9C.

The main body 3 includes a notification unit 4 that notifies information related to heating of the heating coils 7A to 7C. The notification unit 4 includes a display unit 11 and an audio output unit 15. The display unit 11 is disposed on the front side of the top plate 5 of the heating cooker 1 and displays the heating level of the heating coils 7A to 7C. The display unit 11 has, for example, a band shape extending in the longitudinal direction of the top plate 5. The display unit 11 is a monochrome liquid crystal panel, but may be a color liquid crystal panel.

A setting unit 13 is provided on the front side of the main body 3 of the heating cooker 1 in order for the user to set heating by the heating coils 7A to 7C in detail. The setting unit 13 can be inserted into and removed from the main body 3, and includes a setting key 13a for setting heating by the heating coils 7A to 7C in detail, the setting contents, the detailed state of the heating coils 7A to 7C, and the like. And a setting display unit 13b for displaying. The setting unit 13 sets the heating temperature, heating time, timer, and the like of the heating coils 7A to 7C.

Moreover, the heating cooker 1 includes a voice output unit 15 that outputs voice guidance to the user on the front side. The audio output unit 15 is, for example, a speaker.

A range hood 17 is installed above the heating cooker 1. The range hood 17 sucks the air above the heating cooker 1 into the inside of the range hood 17 through a hood portion 17a provided at the lower portion, and exhausts it from a discharge port communicated outdoors.

Moreover, the heating cooker 1 includes a cooking status recognition unit 19 that recognizes the cooking status of the object to be heated Tc on the top plate 5 from above. The cooking status recognition unit 19 is disposed at a position away from the top plate 5, for example, at the center of the hood portion 17 a of the range hood 17.

The cooking status recognition unit 19 has a camera 19a. The camera 19a is a visible light camera, for example, a CCD (Charge Coupled Device) camera or a CMOS (Complementary Metal Oxide Semiconductor) camera. The camera 19a can shoot the entire top plate 5 from above if an appropriate angle of view and shooting direction are set. The cooking status recognition unit 19 may be arranged on the ceiling or wall in addition to the range hood 17. The distance from the cooking status recognition unit 19 to the top plate 5 is 400 mm or more, for example, 600 mm or more and 2000 mm or less. That is, since the camera 19a is exposed on the outer surface of the cooking condition recognition unit 19, the distance from the camera 19a to the top plate 5 is 400 mm or more, for example, 600 mm or more and 2000 mm or less.

For the wireless communication between the main body 3 and the cooking status recognition unit 19, the main body 3 has a communication unit 21, and the cooking status recognition unit 19 has a communication unit 23. Image information captured by the camera 19 a is transmitted by the communication unit 23 and received by the main body 3 by the communication unit 21. Each of the

communication units

21 and 23 has an antenna and is wirelessly connected by wireless communication such as Wi-Fi (registered trademark), Bluetooth (registered trademark), or BLE (Bluetooth Low Energy). In addition, instead of providing the

communication units

21 and 23, the main body 3 and the cooking status recognition unit 19 may be connected by wire.

The heating cooker 1 includes a control unit 25, a storage unit 27, and a guidance information output unit 29 inside the main body 3. The control unit 25 and the guidance information output unit 29 are, for example, a processing device or processing circuit such as a CPU (Central Processing Unit) or a microprocessor, and are a ROM (Read Only Memory), a RAM (Random Access Memory), a hard disk, or an SSD. Various functions are performed by executing a program stored in the storage unit 27 such as (Solid State Drive). Note that at least one of the control unit 25, the storage unit 27, and the guidance information output unit 29 may be arranged in the cooking status recognition unit 19 instead of being arranged in the main body 3.

The control unit 25 includes a marker extraction unit 25a, a first determination unit 25b, and a deviation estimation unit 25c. The deviation estimation unit 25c corresponds to the camera position estimation unit of the present disclosure. The marker extraction unit 25a, the first determination unit 25b, and the deviation estimation unit 25c may each be configured with hardware such as a circuit or a device, or may be configured with software. In addition, the marker extraction unit 25a, the first determination unit 25b, and the deviation estimation unit 25c may be configured independently or may be configured integrally. Further, at least one of the marker extraction unit 25a, the first determination unit 25b, and the deviation estimation unit 25c may be integrated with the coil control unit 10.

The marker extraction unit 25a extracts marker information included in an image photographed by the camera 19a. On the top plate 5, in addition to the markers 8A to 8C, the display unit 11 and the light emitting units 6A to 6C are displayed as marker information. For example, at least any one of these may be displayed on the top plate 5. Alternatively, other marker information may be displayed. That is, the marker information is not limited to the markers 8A to 8C, the display unit 11, and the light emitting units 6A to 6C, and may be any information that can be recognized as a reference for the shooting direction of the camera.

The marker information that the top plate 5 has is a size that is 1/100 or more of the number of recognizable pixels of the camera 19a in the image taken by the camera 19a. Thereby, marker information can be extracted appropriately.

The first determination unit 25b determines whether or not the extracted marker information is included in a specified range of the image of the camera 19a in a specified state. The prescribed state means a state in which the first determination unit 25b is instructed to execute the determination. For example, the specified state may mean “when the power is turned on”, may mean “always during cooking”, or may mean “under certain conditions”. When the first determination unit 25b determines that the extracted marker information is included in the specified range of the image of the camera 19a in a specified state, the cooking state recognition unit 19 is installed in the correct direction from the notification unit 4. It is notified that it is being done. That is, the notification unit 4 notifies that the shooting direction of the camera 19a is correct.

When the first determination unit 25b determines that the extracted marker information is not included in the specified range of the image of the camera 19a in a specified state, the deviation estimation unit 25c is based on the position of the marker information in the image. The type of deviation from the installation state of the prescribed camera 19a is estimated. The normal installation state of the camera 19a is defined as state a. As types of displacement, for example, a state b with a displacement parallel to the left direction, a state c with a displacement parallel to the right direction, a state d with a displacement parallel to the rear direction, and a state e with a displacement parallel to the front direction e. There are a state f in which there is a displacement rotated clockwise, a state g in which there is a displacement rotated counterclockwise, and a state h in which the installed height position is low and the angle of view is narrow. The deviation estimation unit 25c estimates the state of deviation and the amount of deviation by image processing.

The guide information output unit 29 displays the guide information for position adjustment of the camera 19a stored in the storage unit 27 in correspondence with the type and amount of shift of the camera 19a estimated by the shift estimation unit 25c. Output to the audio output unit 15.

Next, the installation state of the camera 19a of the cooking status recognition unit 19 will be described with reference to FIG. In the following example, the display unit 11 on the top plate 5 is used as the marker information. However, for example, a single black belt may be displayed on the top plate 5 instead of the display unit 11. .

FIG. 5 shows a simplified image of the camera 19a taken from above the heating cooker 1. The broken line area in FIG. 5 indicates the area of the image 19aa of the camera 19a. The marker extraction unit 25a extracts the display unit 11 as marker information from the image 19aa. The marker information extraction method uses image processing such as template matching or edge detection. As shown in FIG. 5, when the extracted marker information is included in a specified range in a specified state, the display 11 displays, for example, “Installed in the correct direction” shown in FIG. Is done. Similarly, the voice output unit 15 outputs a voice guidance saying “Installed in the correct direction”. Note that the storage unit 27 stores the image 19aa of FIG. 5 as a state (state a) in which the extracted marker information is included in a specified range in a specified state. An image 19aa in FIG. 5 is image data in an appropriate arrangement of the camera 19a.

FIG. 7 shows an image 19aa obtained by simplifying an image taken by the camera 19a from above. In FIG. 7, since the position of the camera 19 a or the shooting direction is shifted to the left, the display unit 11 extracted from the image 19 aa is cut off on the right side as indicated by a circular broken line 31. This state is referred to as state b. The first determination unit 25b determines that the extracted marker information is not included in the specified range of the image 19aa of the camera 19a. Since the marker information is cut off on the right side of the image 19aa, the deviation estimating unit 25c instructs the guidance information output unit 29 so that the angle of view of the camera 19a is further on the right side. As shown in FIG. 8, the guidance information output unit 29 causes the display unit 11 to display guidance information indicated by a right arrow. Further, the voice output unit 15 outputs a voice guidance “Please turn right”. Accordingly, the user can be guided to move the position of the camera 19a to the right or to turn the shooting direction to the right.

FIG. 9 shows an image 19aa obtained by simplifying an image taken by the camera 19a from above. In FIG. 9, since the position of the camera 19 a or the shooting direction is shifted to the right, the display unit 11 extracted from the image 19 aa is cut off on the left side as indicated by a circular broken line 33. This state is referred to as state c. Therefore, the first determination unit 25b determines that the extracted marker information is not included in the specified range of the image 19aa of the camera 19a. Since the marker information is cut off on the left side of the image 19aa, the deviation estimating unit 25c instructs the guidance information output unit 29 so that the angle of view of the camera 19a is further on the left side. As shown in FIG. 10, the guide information output unit 29 causes the display unit 11 to display the guide information indicated by the left arrow. Further, the voice output unit 15 outputs a voice guidance “Please turn left”. Thus, the user can be guided to move the position of the camera 19a to the left or to turn the shooting direction to the left.

FIG. 11 shows an image 19aa obtained by simplifying an image taken by the camera 19a from above. In FIG. 11, the display unit 11 is not extracted as marker information from the image 19aa because the position or shooting direction of the camera 19a is shifted backward. This state is referred to as state d. Therefore, the first determination unit 25b determines that the marker information is not included in the specified range of the image 19aa of the camera 19a. Since the marker information is not included in the image 19aa, the deviation estimation unit 25c instructs the guidance information output unit 29 so that the angle of view of the camera 19a is directed further forward. As shown in FIG. 12, the guide information output unit 29 causes the display unit 11 to display guide information of a forward arrow. Further, the voice output unit 15 outputs a voice guidance “Please turn to the front”. Thus, it is possible to guide the user to move the position of the camera 19a forward or to turn the shooting direction forward.

FIG. 13 shows an image 19aa obtained by simplifying an image taken by the camera 19a from above. In FIG. 13, since the position or shooting direction of the camera 19a is shifted forward, the number of pixels equal to or larger than a predetermined number is included in the distance PL from the display unit 11 extracted from the image 19aa to the lower end of the image. This state is referred to as state e. Therefore, the first determination unit 25b determines that the extracted marker information is not included in the specified range of the image 19aa of the camera 19a in a specified state. Since the marker information is far away from the front end of the image 19aa, the deviation estimation unit 25c instructs the guidance information output unit 29 so that the angle of view of the camera 19a is directed further rearward. As shown in FIG. 14, the guidance information output unit 29 causes the display unit 11 to display guidance information with a backward arrow. Further, the voice output unit 15 outputs a voice guidance “Please turn to the back”. Thus, it is possible to guide the user to move the position of the camera 19a backward or to turn the shooting direction backward.

FIG. 15 shows an image 19aa obtained by simplifying an image taken by the camera 19a from above. In FIG. 15, since the photographing direction of the camera 19a is rotated clockwise, the left front end portion of the display unit 11 extracted from the image 19aa is cut off. This state is referred to as state f. Therefore, the first determination unit 25b determines that the extracted marker information is not included in the specified range of the image 19aa of the camera 19a in a specified state. The deviation estimation unit 25c instructs the guidance information output unit 29 to rotate the angle of view of the camera 19a more counterclockwise from the angle formed by the front side 19ab of the image 19aa and the linear portion of the display unit 11 in the longitudinal direction. . As shown in FIG. 16, the guide information output unit 29 causes the display unit 11 to display the guide information of the counterclockwise arrow. The voice output unit 15 outputs a voice guidance “Please move counterclockwise”. Thus, the user can be guided to rotate the camera 19a counterclockwise. Also, the rotation angle may be displayed as both an image and a number.

Further, even when the shooting direction of the camera 19a is rotated counterclockwise, the first determination unit 25b includes the extracted marker information within the specified range of the image 19aa of the camera 19a in a specified state. Judge that it is not. This state is referred to as state g. The deviation estimation unit 25c instructs the guidance information output unit 29 to rotate the angle of view of the camera 19a clockwise from the angle formed by the front side 19ab of the image 19aa and the linear portion of the display unit 11 in the longitudinal direction. As shown in FIG. 17, the guide information output unit 29 causes the display unit 11 to display clockwise arrow guide information. The voice output unit 15 outputs a voice guidance “Please move clockwise”. Thus, the user can be guided to rotate the camera 19a clockwise. Also, the rotation angle may be displayed as both an image and a number.

FIG. 18 shows an image 19aa obtained by simplifying an image taken by the camera 19a from above. In FIG. 18, since the installation position of the camera 19a is not sufficiently separated from the top plate 5, that is, the height position of the camera 19a is low, the extracted display unit 11 in the image 19aa is indicated by a circular broken line 38. Both ends are cut off. This state is referred to as state h. Therefore, the first determination unit 25b determines that the extracted marker information is not included in the specified range of the image 19aa of the camera 19a in a specified state.

The shift estimation unit 25c instructs the guide information output unit 29 to move the installation position of the camera 19a to a higher position because the marker information is cut off on both sides of the image 19aa. For example, as shown in FIG. 20, the guidance information output unit 29 causes the display unit 11 to display guidance information “please raise the installation height”. Further, the voice output unit 15 outputs a voice guidance such as “Please raise the installation height”, for example. Thus, the user can be guided to increase the height of the installation position of the camera 19a.

FIG. 19 shows an image 19aa obtained by simplifying an image taken by the camera 19a from above. In FIG. 19, since the installation position of the camera 19a is not sufficiently separated from the top plate 5, that is, the height position of the camera 19a is low, the display unit 11 is not extracted in the image 19aa. Further, the image 19aa has a part of the marker 8C cut off, and the entire image 19aa is not included in the image 19aa. This state is also referred to as state h. Thus, since the image 19aa does not include a part of the display unit 11 and the marker 8C, the first determination unit 25b determines that the extracted marker information is in the specified state of the image 19aa of the camera 19a. It is determined that it is not included in the range.

Since the image 19aa does not include the display unit 11 and part of the marker 8C, the deviation estimation unit 25c estimates that the installation position of the camera 19a is low and moves to a higher position. The guidance information output unit 29 is instructed as follows. As shown in FIG. 20, the guidance information output unit 29 displays guidance information “Please raise the installation height” on the display unit 11, thereby increasing the height of the installation position of the camera 19 a to the user. Can be guided.

In addition, when a color liquid crystal panel is adopted as the display unit 11, the display color may be changed according to the amount of deviation. For example, when the amount of deviation is large, guidance display may be performed in red or warm colors. For example, when the amount of deviation is small, guidance display may be performed in blue or cold colors.

Next, the flow of installation guidance for the cooking status recognition unit 19 will be described with reference to FIG. FIG. 21 is a flowchart showing the flow of camera position guidance. Confirmation of the installation state of the cooking status recognition unit 19 is performed by a construction installer when the heating cooker 1 is installed for the first time, or by a general user when a failure of the heating cooker 1 is dealt with.

When the user attaches the cooking status recognition unit 19 to the range hood 17, the direction adjustment mode of the cooking status recognition unit 19 is activated by an input from the setting key 13a. When the direction adjustment mode is activated, in step S1, the control unit 25 sends a shooting instruction to the camera 19a.

When the camera 19a receives the shooting instruction, the camera 19a takes an image in step S2. The captured image is sent to the control unit 25.

Next, in step S3, the marker extraction unit 25a extracts marker information from the image sent to the control unit 25. The marker information is extracted using image processing techniques such as template matching or feature point extraction.

Next, in step S4, the first determination unit 25b determines whether the extracted marker information is included in a specified range of the image in a specified state. When the extracted marker information is included in the specified range of the image in a specified state as in step S4 Yes, in step S5, the guide information output unit 29 displays the display unit 11 or the audio output unit 15 in the step S5. Instruct them to guide you through the proper installation.

Thereby, the message “installed in the correct direction” is displayed on the display unit 11 or the voice output unit 15 provides voice guidance “installed in the correct direction”. Alternatively, guidance is provided from both the display unit 11 and the audio output unit 15.

When the extracted marker information is not included in the specified range of the image in the specified state as in step S4 No, in step S6, the shift estimation unit 25c detects the shift of the cooking status recognition unit 19. Estimate the type. The type of deviation includes the direction and amount of deviation, and the guide information output unit 29 eliminates the deviation in the display unit 11 or the audio output unit 15 in step S7 according to the estimated type of deviation. The position correction guidance information is output.

Thereby, the user can confirm the type of deviation by the display unit 11 or the audio output unit 15, and can correct the deviation of the cooking state recognition unit 19, that is, the deviation of the photographing direction of the camera 19a. After receiving the position correction guidance from the display unit 11 or the voice output unit 15, the flow of the installation position check is started again from step S1 after a predetermined time has elapsed or by an input from the setting key 13a. The shooting direction of the camera 19a is a direction from the camera 19a toward the center of the visual field range of the camera 19a.

As described above, the cooking system 100 according to Embodiment 1 can confirm whether or not the installation position of the cooking status recognition unit 19 arranged away from the top plate 5 is appropriate. Further, when the installation position is inappropriate, the display unit 11 or the audio output unit 15 guides the shift direction, the shift amount, and the like, so that the user can adjust according to the guidance. As a result, the cooking status recognition unit 19 can be installed at an appropriate position, and the status of cooking on the top plate 5 can be properly recognized.

The cooking system 100 according to the present embodiment includes a top plate 5, heating coils 7A to 7C (an example of the heating unit of the present disclosure), a coil control unit 10 (an example of the heating control unit of the present disclosure), and a camera 19a. And a marker extraction unit 25a, a first determination unit 25b, and a notification unit 4.

The top plate 5 is mounted with a container Cr that accommodates the article to be heated Tc, and has at least one or more marker information (for example, at least one of the display unit 11 and the markers 8A to 8C). The heating coils 7A to 7C heat the container Cr from below. The coil controller 10 controls the amount of heating from the heating coils 7A to 7C to the container Cr. The camera 19 a is disposed at a position away from the top plate 5 and is directed toward the top plate 5. The marker extraction unit 25a extracts marker information included in an image 19aa photographed by the camera 19a. The first determination unit 25b determines whether or not the extracted marker information is included in a prescribed range of the image 19aa. The alerting | reporting part 4 alert | reports the installation state of the camera 19a based on the determination result of the 1st determination part 25b.

For example, when the first determination unit 25b determines that the extracted marker information is included in the prescribed range of the image 19aa, the notification unit 4 determines that the installation state of the camera 19a is normal. Outputs a signal to be recognized. Alternatively, when the first determination unit 25b determines that the extracted marker information is not included in the specified range of the image 19aa, the notification unit 4 informs the user that the installation state of the camera 19a is abnormal. Output the signal to be recognized. The specified range may be, for example, the entire area of the image 19aa or a part of the predetermined area of the image 19aa.

Thereby, the user can recognize whether or not the camera 19a is displaced. That is, the cooking system 100 can prompt the user to correct the positional deviation of the camera 19a, and can realize appropriate photographing.

Moreover, in this Embodiment, when the 1st determination part 25b determines with the extracted marker information not being contained in the prescription | regulation range of image 19aa, the alerting | reporting part 4 is abnormal installation of the camera 19a. Announce the condition.

Thereby, the user can recognize the positional deviation of the camera 19a. That is, the cooking system 100 can prompt the user to correct the positional deviation of the camera 19a, and can realize appropriate photographing.

It should be noted that the means for notifying the abnormal installation state may be means for notifying that the normal installation state is always normal and not normal in the abnormal installation state. Alternatively, the means for notifying the abnormal installation state may be a means for outputting the notification signal only in the abnormal installation state without outputting the notification signal in the normal installation state. In a normal installation state, it is considered that there are more cases than in an abnormal installation state. Therefore, by outputting a notification signal only in an abnormal installation state, the power required for notification can be reduced. Alternatively, the means for notifying the abnormal installation state may be a means for outputting a signal different from the signal output in the normal installation state. Thereby, the user can recognize more accurately whether the camera 19a is in a normal installation state or an abnormal installation state.

Also, the cooking system 100 of the present embodiment includes a guidance information output unit 29 that outputs guidance information for position adjustment of the camera 19a in accordance with the installation state of the camera 19a. When the first determination unit 25b determines that the extracted marker information is not included in the specified range of the image 19aa, the guidance information output unit 29 extracts the extracted marker information from the specified value of the image 19aa. Guidance information for guiding the change of the installation state of the camera 19a is output to the notification unit 4 so as to be included in the range. The guidance information for guiding the change of the installation state is information regarding guidance output from the display unit 11 and the audio output unit 15.

Thereby, the cooking system 100 can specifically show the user how to correct the positional deviation of the camera 19a, and can realize appropriate photographing.

Further, in the present embodiment, the heating cooker 1 is an induction heating cooker. That is, the heating unit includes heating coils 7A to 7C that generate an induction magnetic field to heat the container Cr. The coil controller 10 heats the container Cr by supplying a high-frequency current to the heating coil. That is, the camera 19a, the marker extraction unit 25a, the first determination unit 25b, and the notification unit 4 of the present embodiment can be applied to a heating cooker such as a gas stove, but is also suitable for an induction heating cooker.

In the present embodiment, the marker information of the top plate 5 has a size that is 1/100 or more of the number of recognizable pixels of the camera in the image 19aa photographed by the camera 19a. Thereby, the marker extraction part 25a can extract marker information appropriately.

In the present embodiment, the distance from the camera 19a to the top plate 5 is 600 mm or more and 2000 mm or less. Thus, a wide area of the top plate 5 can be easily photographed using the general-purpose camera 19a.

Moreover, this Embodiment discloses the method of alert | reporting the installation state of the camera 19a which image | photographs the heating cooker 1. FIG. The heating cooker 1 includes a top plate 5 and heating coils 7A to 7C. On the top plate 5, a container Cr that accommodates the article to be heated Tc is placed. The top plate 5 has marker information (for example, at least one of the display unit 11 and the markers 8A to 8C). This method includes a step of inputting an image photographed by the camera 19a. The method also includes a step of extracting marker information included in the image. The method also includes the step of determining whether the extracted marker information is included within a prescribed range of the image. This method includes a step of outputting a notification signal for notifying the installation state of the camera based on the determination result of the determination step.

Thereby, the user can recognize whether or not the camera 19a is displaced. That is, the heating cooker 1 can prompt the user to correct the positional deviation of the camera 19a, and can realize appropriate photographing.

(Embodiment 2)
Next, a heat cooking system according to Embodiment 2 will be described with reference to FIGS. Whereas the cooking system 100 according to the first embodiment extracts the display unit 11 or the black belt as marker information and determines the deviation of the cooking status recognition unit 19, the cooking system according to the second embodiment The ring-shaped light emitting units 6A to 6C are extracted as marker information to determine the deviation of the cooking state recognition unit 19, that is, the deviation of the photographing direction of the camera 19a. In addition, the heat cooking system in Embodiment 2 is common in the heat cooking system 100 of Embodiment 1 except for the matters described below.

The marker extracting unit 25a in the second embodiment extracts the rings of the light emitting units 6A to 6C as marker information. In the extraction method, the light emitting units 6A to 6C can be extracted by taking the difference between the image before the light emitting units 6A to 6C are turned on and the image after the light is turned on. The light emitting units 6A to 6C are turned on or blinked by the control unit 25 in at least one of a specified position, a specified color, and a specified order.

FIG. 22 shows an image obtained by simplifying an image taken by the camera 19a from above. A rectangular broken line area in FIG. 22 indicates an area of an image 19ac photographed by the camera 19a. A broken line of the triangle 32 is an index for detecting a rotational shift of the image 19ac. The marker extraction unit 25a extracts the light emitting units 6A to 6C as marker information from the image 19ac. As shown in FIG. 22, the image 19ac is an image when the camera 19a is placed at the correct position. That is, since it is the image 19ac in the state a, it is processed in the same manner as in the first embodiment, and guidance corresponding to the state a is output from the display unit 11 and the audio output unit 15.

FIG. 23 shows an image 19ac obtained by simplifying an image taken by the camera 19a from above. In FIG. 23, the position of the camera 19a or the shooting direction is shifted to the left. Accordingly, among the light emitting units 6A to 6C extracted from the image 19ac, the right side of the light emitting unit 6C arranged on the right side is cut. That is, since it is the image 19ac in the state b, it is processed in the same manner as in the first embodiment, and guidance corresponding to the state b is output from the display unit 11 and the audio output unit 15.

FIG. 24 shows an image 19ac obtained by simplifying an image taken by the camera 19a from above. In FIG. 24, the position of the camera 19a or the shooting direction is shifted to the right. Accordingly, among the light emitting units 6A to 6C extracted from the image 19ac, the left side of the light emitting unit 6A arranged on the left side is cut. That is, since it is the image 19ac in the state c, it is processed in the same manner as in the first embodiment, and guidance corresponding to the state c is output from the display unit 11 and the audio output unit 15.

FIG. 25 shows an image 19ac obtained by simplifying an image taken by the camera 19a from above. In FIG. 25, the position of the camera 19a or the shooting direction is shifted backward. Accordingly, among the light emitting units 6A to 6C extracted from the image 19ac, the front side of the

light emitting units

6A and 6B arranged on the front side is cut off. That is, since the image 19ac in the state d is processed in the same manner as in the first embodiment, guidance corresponding to the state d is output from the display unit 11 and the audio output unit 15.

FIG. 26 shows an image 19ac obtained by simplifying an image taken by the camera 19a from above. In FIG. 26, the position of the camera 19a or the shooting direction is shifted forward. Therefore, among the light emitting units 6A to 6C extracted from the image 19ac, the rear side of the light emitting unit 6C arranged on the rear side is cut off. That is, since it is the image 19ac in the state e, it is processed in the same manner as in the first embodiment, and guidance corresponding to the state e is output from the display unit 11 and the audio output unit 15.

FIG. 27 shows an image 19ac obtained by simplifying the image taken by the camera 19a from above. In FIG. 27, the shooting direction of the camera 19a is rotated clockwise. The rotational deviation can be detected by, for example, a rotational deviation from the mutually defined positional relationship of the marker information. For example, in a normal state, positions on the captured image of the camera 19a corresponding to the left end of the light emitting unit 6A, the right end of the light emitting unit 6B, and the upper end of the light emitting unit 6C are stored. An angle formed by the base of the triangle 32 connecting these points and the base of the triangle 34 connecting the corresponding points of the light emitting units 6A to 6C detected from the captured image by template matching or the like is detected. In this way, the rotation direction and rotation angle are detected. In the image 19ac of FIG. 27, since the type of deviation is state f, the deviation estimation unit 25c performs processing in the same manner as in the first embodiment, and guidance corresponding to the state f is displayed from the display unit 11 and the audio output unit 15. Is output. Also, when the shooting direction of the camera 19a is deviated counterclockwise, it is processed as the state g, and guidance corresponding to the state g is output from the display unit 11 and the audio output unit 15.

FIG. 28 shows an image 19ac obtained by simplifying an image taken by the camera 19a from above. In FIG. 28, since the installation position of the camera 19a is not sufficiently separated from the top plate 5, that is, the height position of the camera 19a is low, each of the extracted light emitting units 6A to 6C in the image 19ac is cut off. Yes. Therefore, the first determination unit 25b determines that the extracted marker information is not included in the specified range of the image 19ac of the camera 19a in the specified state. Further, the deviation estimation unit 25c estimates the deviation in the state h, and instructs the guidance information output unit 29 to move the installation position of the camera 19a to a higher position. Thereby, guidance corresponding to the state h is output from the display unit 11 and the audio output unit 15.

According to the heating cooking system in the second embodiment, the light emitting units 6A to 6C corresponding to the heating coils 7A to 7C are used as marker information, so that each heating coil 7A to 7C is photographed more appropriately. The installation position of the camera 19a can be adjusted. Therefore, the accuracy of the position adjustment of the camera 19a can be improved.

In the second embodiment, the marker information is lit or blinked in at least one of the specified position, the specified color, and the specified order. Thereby, the marker extraction part 25a can extract marker information easily.

(Embodiment 3)
Next, a heat cooking system 41 according to Embodiment 3 will be described with reference to FIGS. 29 to 38. In the cooking systems 100 according to the first and second embodiments, the cooking status recognition unit 19 is arranged in the range hood 17 installed above the main body 3. On the other hand, the cooking system 41 according to the third embodiment arranges the cooking status recognition unit 19 on the wall 37 extending upward behind the main body 3. In addition, the cooking system 41 in Embodiment 3 is the same as the cooking system 100 of Embodiment 1 or 2 except for the matters described below.

FIG. 29 is a block diagram showing a control system of the cooking system 41 according to the third embodiment. The main body 43 of the cooking device of the cooking system 41 according to Embodiment 3 has a second determination unit 35 in the control unit 45 disposed therein. That is, the control unit 45 of the third embodiment is obtained by adding the second determination unit 35 to the control unit 25 of the first embodiment.

The second determination unit 35 includes, based on the marker information extracted by the marker extraction unit 25a, the height position of the camera 19a included in the range of the specified height position associated with the angle of view of the camera 19a. Determine whether or not. To be included in the range of the specified height position may indicate that the reference height position is set with a certain predetermined width and is included in the reference range. Alternatively, a reference difference value is set for the reference height position, and the difference between the height position of the camera 19a and the reference height position is equal to or less than the reference difference value. You may point out that it is less than.

For example, as shown in FIG. 30, if the camera 19 a of the cooking status recognition unit 19 is installed on the wall 37 at an angle having an angle of view 39 indicated by a two-dot chain line, the top plate 5 of the heating cooker 1 is You can shoot properly. That is, the tilt of the camera 19a at the angle of view 39 is normal, and is included in the specified tilt range. In this case, as shown in FIG. 31, the light emitting units 6A to 6C are included in the photographed image 19ad. Instead of the light emitting units 6A to 6C, the markers 8A to 8C or the display unit 11 may be used as marker information. Compared to the image 19ac when installed on the range hood 17, the image 19ad is an image extending in the forward direction.

Referring again to FIG. 30, when the camera 19 a of the cooking situation recognition unit 19 is installed on the wall 37 at an angle having an angle of view 44 indicated by a one-dot chain line, for example, the top plate 5 is appropriately photographed. I can't. That is, the tilt of the camera 19a at the angle of view 44 is abnormal and is not included in the specified tilt range. In this case, for example, as shown in FIG. 32, the photographed image 19ad includes more front regions of the top plate 5. Thereby, the image 19ad in FIG. 32 is an image in which the rear portion of the light emitting unit 6C is cut.

Therefore, it is estimated by the deviation estimation unit 25c that there is a deviation e in the forward direction, and the guidance information output unit 29 is guided to correct the direction of the camera 19a in the backward direction. Further, the deviation estimation unit 25c may guide angle adjustment by estimating the angle of the camera with respect to the top plate 5. Further, since the left side of the display unit 11 is cut off, it is also estimated by the shift estimation unit 25c that the shift is occurring in the right direction, and guidance is provided to correct the direction of the camera 19a in the left direction. Is done. With the two correction guides, the orientation of the camera 19a is corrected, and the image shown in FIG. 33 can be obtained. Thereafter, the control unit 45 cuts out the image within the effective range 19c within the angle of view of the camera 19a. Alternatively, the control unit 45 adjusts the zoom of the camera 19a.

Next, the relationship between the height position where the cooking status recognition unit 19 is installed on the wall 37 and the photographed image will be described with reference to FIGS. 34 to 38, trapezoidal captured images are shown as rectangular captured images for ease of explanation. FIG. 34 is a diagram illustrating the height position of the cooking status recognition unit. FIG. 35 shows an image 19ae obtained by simplifying the photographed image when the cooking situation recognition unit 19 is installed at the point k in the center of the range hood 17. Since the image 19ae taken from the point k is taken from directly above the top plate 5, no distortion occurs in the markers 8A to 8C in the taken image. The markers 8A to 8C are perfect circles. The image 19ae in this state is stored in the storage unit 27 as an image in a normal state.

In the wall 37, for example, an image 19af taken from a point m at a height of 800 mm from the top plate 5 is shown by a solid line in FIG. In FIG. 36, broken lines indicate the markers 8A to 8C in FIG. 35 without distortion as a comparison. The markers 8A to 8C in the image 19af are distorted from a perfect circle to an ellipse. Based on the degree of the distortion, it is possible to detect at which height of the wall the cooking state recognition unit 19 is attached.

In the wall 37, for example, an image taken from a point n at a height of 600 mm from the top plate 5 is indicated by a solid line in FIG. In FIG. 37, the broken lines show the markers 8A to 8C in FIG. 35 without distortion as a comparison. The image 19af at 600 mm is taken with each of the markers 8A to 8C being more distorted than the image at 800 mm.

In the wall 37, for example, an image taken from a point p at a height of 400 mm from the top plate 5 is indicated by a solid line in FIG. In FIG. 38, the broken lines indicate the markers 8A to 8C in the undistorted state in FIG. 35 for comparison. The image 19af at 400 mm is taken with the markers 8A to 8C being more distorted than the images at 600 and 800 mm.

When the markers 8A to 8C in the photographed image are distorted more than the markers 8A to 8C shown in FIG. 38, the cooking position recognition unit 19 is too low in height, so the second determination unit 35 cannot detect it. Judge as. In this case, the shift estimation unit 25c estimates the state h, and outputs a guidance corresponding to the state h from the display unit 11 and the audio output unit 15. As a result, the user is guided to increase the height of the cooking status recognition unit 19. As described above, the deviation estimation unit 25c estimates the height of the camera as the position information of the camera based on the distortion of the extracted marker information.

The storage unit 27 stores image data in a state a that is a normal state at each height of 400, 600, and 800 mm. Therefore, even if the marker information extracted from the photographed image is distorted as compared with the image photographed from directly above, the type of deviation can be estimated. Further, the long side and the short side of each ellipse are detected by image processing, and the height of the cooking condition recognition unit 19 is estimated by judging the degree of distortion of the ellipse from the ratio of the detected long side and short side. Good. The deviation estimation unit 25c estimates the type of deviation of the captured image according to each detected height.

FIG. 39 is a flowchart showing a flow of camera position correction guidance in the third embodiment. Steps S1 to S3 are the same as those in the first embodiment, and a description thereof will be omitted. When marker information is extracted from the captured image in step S3, in step S11, the second determination unit 35 determines whether the height position of the camera is included in the range of the specified height position. When the second determination unit 35 determines that the height position of the camera is included in the range of the specified height position (Yes in step S11), the processing after step S4 in the first embodiment is similarly performed. The

When the second determination unit 35 determines that the height position of the camera is not included in the range of the specified height position (No in step S11), the second determination unit 35 sends the cooking information to the guide information output unit 29. It instructs to output guidance information for changing the height position of the situation recognition unit 19. The guidance information output unit 29 guides the same guidance as in the state h from the display unit 11 and the voice output unit 15 of the notification unit 4. Thereafter, the process is started again from step S1.

When the cooking status recognition unit 19 is attached to the wall 37, it can be attached at various height positions as compared with the case where it is attached to the range hood 17. Therefore, the possibility that the user mistakes the attachment position (that is, the height position of the camera 19a) may increase. However, with the cooking system 41 according to the third embodiment, even when the cooking status recognition unit 19 is attached to the wall 37, it is possible to guide the user whether or not the height position is appropriate. Moreover, since the guidance which corrects it is alert | reported when a height position is not appropriate, the user can correct the height position of the cooking condition recognition part 19 according to the guidance.

Also, by providing the first determination unit 25b of Embodiment 1, the shooting direction of the camera 19a can be corrected. The first determination unit 25b may acquire a specified range using reference image data corresponding to the height position. That is, the specified range may change depending on the height position. Thereby, determination of step S4 can be performed with higher precision.

Further, guide information may be output using reference image data corresponding to the height position. That is, the guidance information may change depending on the height position. The guide information output unit 29 can output highly accurate guide information so as to correct the inclination with higher accuracy.

In the present embodiment, the second determination unit 35 is provided that determines whether the height position of the camera 19a is included in the range of the specified height position based on the extracted marker information. When the second determination unit 35 determines that the height position of the camera 19a is not included in the range of the specified height position, the notification unit 4 notifies the abnormal installation state of the camera.

Thereby, the user can recognize that the height position of the camera 19a is abnormal, and the heating cooker 1 can prompt the user to correct the height position of the camera 19a, thereby realizing appropriate photographing. In particular, when the camera 19a is disposed on the wall 37, it is necessary to accurately adjust the height position of the camera 19a in order to appropriately set the shooting range, and thus this embodiment is useful.

In the present embodiment, the guidance information output unit 29 determines that the camera 19a has the height position of the camera 19a when the second determination unit 35 determines that the height position of the camera 19a is not included in the specified height position range. Guidance information for guiding the change in the installation state of the camera 19a is output to the notification unit 4 so that the height position is included in the range of the specified height position. Thereby, the heating cooker 1 can guide the user how to specifically correct the height position of the camera 19a, and can realize appropriate photographing.

In the present embodiment, the deviation estimation unit 25c estimates the height position of the camera 19a as installation information related to the installation state of the camera 19a based on the extracted distortion of the marker information. The guide information output unit 29 outputs guide information in accordance with pre-recorded position adjustment data corresponding to the estimated height position. Thereby, even if marker information is distorted, guidance information can be appropriately output. The deviation estimation unit 25c may estimate the tilt of the camera 19a based on the distortion, in addition to the height position or instead of the height position. The guidance information output unit 29 outputs guidance information according to the pre-recorded position adjustment data corresponding to the estimated inclination.

In the present embodiment, the first determination unit 25b determines the deviation of the tilt of the camera 19a, and the second determination unit 35 determines the deviation of the height of the camera 19a. A determination may be performed. In addition, a part of the tilt deviation of the camera 19a may be determined by the second determination unit 35.

For example, the first determination unit 25b or the second determination unit 35 includes the rotation angle with respect to the optical axis of the camera 19a within the specified rotation angle range based on the inclination of the marker information extracted by the marker extraction unit 25a. It may be determined whether or not. The optical axis extends in the same direction as the shooting direction of the camera 19a.

In this case, the first determination unit 25b or the second determination unit 35 determines whether the rotation angle with respect to the optical axis of the camera is included in the specified rotation angle range after step S3 and before step S11. Determine. If it is determined that “included” in this determination step, the process proceeds to step S11. If it is determined that it is not included in this determination step, the guide information output unit 29 outputs guide information for guiding the adjustment of the rotation angle of the camera 19a. The user can recognize the guidance information via the notification unit 4 and can adjust the rotation angle of the camera 19a. After the rotation angle of the camera 19a is corrected, the cooking system 41 returns to step S1 again.

(Embodiment 4)
Next, a heat cooking system 51 according to Embodiment 4 will be described with reference to FIG. The heating and cooking system 100 according to the first embodiment outputs the position correction guidance of the cooking status recognition unit 19 from the notification unit 4 arranged in the main body 3. On the other hand, the cooking system 51 according to the fourth embodiment is configured to be able to guide the position correction of the cooking status recognition unit 19 from the portable terminal 47. In addition, the cooking system 51 in Embodiment 4 is the same as the cooking system 41 in Embodiment 3 except for the items described below.

The communication unit 21 of the main body 43 of the cooking system 51 is wirelessly connected to the communication unit 23 of the cooking status recognition unit 19 via a router device 49 installed as an external device. That is, the cooking status recognition unit 19 and the control unit 45 are connected to a local area network 53 centering on the router device 49 so as to be capable of wireless communication. The router device 49 is connected to the Internet 55. Further, the router device 49 is connected to the user's portable terminal 47 so as to be able to perform wireless communication.

The portable terminal 47 includes, for example, a display unit 47a having a liquid crystal display and an audio output unit 47b having a speaker. Thereby, since the portable terminal 47 can function as a notification unit, the guide information output from the guide information output unit 29 can be received via the communication unit 21 and the router device 49. Therefore, the same information as the guidance information notified from the notification unit 4 can be notified to the user from the display unit 47a and the voice output unit 47b of the portable terminal 47.

Since the portable terminal 47 notifies the guidance of the position adjustment of the cooking status recognition unit 19, for example, when working near the range hood 17, guidance information that is difficult to see from the display unit 11 of the main body 3 is also displayed by the portable terminal 47. Since it can be seen at hand, the position adjustment efficiency can be improved. In addition, the guide information output from the guide information output unit 29 can be transmitted to the outside via the Internet 55. Further, instead of the portable terminal 47, it may be connected to an integrated control unit that is also arranged in the house and can also control other electrical products.

In the present embodiment, the notification unit (for example, the display unit 47a and the audio output unit 47b) of the mobile terminal 47 and the notification unit 4 of the main body are used together, but only the notification unit of the mobile terminal 47 may be used. Good.

As described above, the cooking system 51 includes the communication unit 21 in the present embodiment. The communication unit 21 wirelessly communicates the abnormal installation state of the camera 19a to a portable terminal 47 (an example of an external device according to the present disclosure) having a display unit 47a and an audio output unit 47b (an example of a notification unit according to the present disclosure). When the first determination unit 25b determines that the extracted marker information is not included in the prescribed range of the image, the communication unit 21 transmits information on the abnormal installation state of the camera 19a to the portable terminal 47. To do. The display unit 47a and the audio output unit 47b notify an abnormal installation state of the camera 19a. This makes it easier for the user to recognize the installation state of the camera 19a regardless of the position of the user.

The external device may be an integrated control unit arranged in the house in addition to the mobile terminal 47 or in place of the mobile terminal 47. The integrated control unit has at least one of a display unit and an audio output unit. Thereby, a user can be made to recognize the installation state of a camera using a control part common with several household appliances.

(Embodiment 5)
Next, a heat cooking system 61 according to Embodiment 5 will be described with reference to FIGS. 41 and 42. FIG. 41 is a block diagram illustrating a control system of the cooking system 61 according to the fifth embodiment. FIG. 42 is a diagram illustrating a schematic configuration of the heating cooking system 61. The cooking status recognition unit 19 of the heating and cooking system 100 according to the first embodiment has the camera 19a, whereas the cooking status recognition unit 63 of the heating and cooking system 61 according to the fifth embodiment further includes a top. A temperature sensor 65 that detects the temperature on the plate 5 and an electric drive unit 67 that can electrically adjust the orientation of the cooking condition recognition unit 63, that is, the photographing direction of the camera 19a, are provided. In addition, the cooking system 61 in Embodiment 5 is the same as the cooking system 51 in Embodiment 4 except for the items described below.

The camera 19a and the temperature sensor 65 are fixed to each other so that the temperature sensor 65 faces the same direction as the camera 19a. The camera 19a and the temperature sensor 65 constitute a detection unit 69. Therefore, as in the first embodiment, if the position and the shooting direction of the camera 19a are corrected, the position and the detection direction of the detection unit 69 are corrected, so the position and the detection direction of the temperature sensor 65 are also corrected at the same time. The temperature sensor 65 is, for example, an infrared sensor. The temperature sensor 65 can detect the temperature state of the object to be heated Tc that is the cooking target in the container Cr from above. The detection direction of the temperature sensor 65 is a direction from the temperature sensor 65 toward the center of the range in which the temperature sensor 65 can absorb light of a specific wavelength. In the case of an infrared sensor, the specific wavelength light is a wavelength in the infrared region. The range that can absorb light of a specific wavelength may be a point or a surface. The electric drive unit 67 includes, for example, a motor, and adjusts the direction of the detection unit 69 according to the rotation amount of the motor.

The position and detection direction of the detection unit 69 are corrected based on the captured image of the camera 19a having a higher resolution than the temperature sensor 65. Thereby, the temperature sensor 65 with low resolution can also correct the position and the detection direction with high accuracy.

In addition, since the electric drive unit 67 is connected to the deviation estimation unit 25c via the

communication units

21 and 23, the direction of the detection unit 69 is automatically adjusted according to the adjustment guidance output by the guidance information output unit 29. . Therefore, since the electric drive unit 67 moves the camera 19a according to the shift direction and the shift amount estimated by the shift estimation unit 25c, the adjustment burden on the user can be reduced.

In addition, in Embodiment 5, although the cooking condition recognition part 63 was the structure provided with both the temperature sensor 65 and the electric drive part 67, the structure provided with either one may be sufficient.

As described above, the cooking system 61 according to the present embodiment includes the electric drive unit 67. The electric drive unit 67 can adjust the shooting direction of the camera electrically. The electric drive unit 67 automatically adjusts the shooting direction of the camera so that the first determination unit 25b determines that the extracted marker information is included in the prescribed range of the image. If the second determination unit 35 does not determine that the tilt of the camera 19a is not included in the specified tilt range, the electric driving unit 67 automatically determines that the camera 19a is included in the specified tilt range. You may adjust the shooting direction of the camera. Thereby, the heating cooking system 61 can implement | achieve appropriate imaging | photography more reliably.

Moreover, the heating cooking system 61 includes a cooking status recognition unit 63. The cooking status recognition unit 63 includes a camera 19a and a temperature sensor 65 (an example of a temperature detection unit of the present disclosure). The temperature sensor 65 is disposed at a position away from the top plate 5 and is directed toward the top plate 5. The camera 19a and the temperature sensor 65 are arranged in the same direction.

In the present embodiment, the camera 19a and the temperature sensor 65 are arranged in the cooking state recognition unit 63 and arranged in the same direction. Therefore, by adjusting the shooting direction of the camera 19a, the detection direction of the temperature sensor 65 is also adjusted in conjunction. Thereby, the detection direction of the temperature sensor 65 can be adjusted using the high-resolution image by the camera 19a, and the detection accuracy of the temperature sensor 65 improves.

In the present embodiment, the temperature sensor 65 is taken as an example of the temperature detection unit, but the temperature detection unit may be a thermal camera.

(Embodiment 6)
Next, a heat cooking system 71 according to Embodiment 6 will be described with reference to FIGS. 43 to 47. FIG. 43 is a block diagram illustrating a control system of the cooking system 71 according to the sixth embodiment. FIG. 44 is a bottom view of the detection unit of the cooking status recognition unit. The cooking system 1 according to the first embodiment uses a marker or display unit 11 displayed on the top plate 5 as marker information. On the other hand, the heating cooking system 71 according to the sixth embodiment includes the adjustment guide projection unit 75 directed in the detection direction of the detection unit 69 of the cooking state recognition unit 73. Using the marker information projected on the top plate 5 from the adjustment guide projection unit 75, the position of the cooking condition recognition unit 73 is adjusted. In addition, the cooking system 71 in Embodiment 6 is the same as the cooking system 61 in Embodiment 5 except for the items described below.

The cooking status recognition unit 73 includes an adjustment guide projection unit 75 that is directed in the same direction as the camera 19a and the temperature sensor 19b. FIG. 45 is a diagram illustrating a schematic configuration of a cooking system. The adjustment guide projection unit 75 projects a position adjustment marker from above the top plate 5.

FIG. 46 is a diagram illustrating an example of a marker projected from the adjustment guide projecting unit 75. A circle 77 is a projection marker projected from the adjustment guide projection unit 75 onto the top plate 5. The projection marker indicates the shooting direction of the camera 19a. On the top plate 5, a rectangular target marker 79 indicating a region where the circle 77 should be located is printed. That is, the rectangular target marker 79 indicates the adjustment target position of the circle 77.

Therefore, the user can adjust the position and direction of the cooking status recognition unit 73 so that the projected circle 77 is located at the position of the target marker 79. By reducing the difference in physical distance between the target marker 79 and the projection marker, the shooting direction of the camera 19a can be adjusted. Further, the camera 19a captures the state in which the marker 77 is projected on the top plate 5, detects the difference between the target marker 79 and the marker 77 by image processing on the captured image, and is automatically performed by the electric drive unit 67. The direction of the camera 19a may be adjusted. The target marker 79 is not limited to a rectangular marker, and may be a cross-shaped or triangular marker.

FIG. 47 is a diagram illustrating an example of a marker projected from the adjustment guide projection unit 75. In this example, the adjustment guide projection unit 75 projects the current shooting area 81 of the camera 19a onto the top plate 5. Therefore, the user can adjust the position and direction of the cooking status recognition unit 73 so that the projected photographing region 81 includes the light emitting units 6A to 6C or the markers 8A to 8C and is positioned at an appropriate position. . In addition, the camera 19a captures a state in which the imaging region 81 is projected on the top plate 5, detects a difference between the imaging region 81 and the ideal region 83 by image processing on the captured image, and the electric drive unit 67 You may adjust the direction of the camera 19a automatically.

According to the heating and cooking system 71 of the sixth embodiment, since the recognition area of the cooking situation recognition unit 73 is directly displayed on the top plate 5, the user understands the positional deviation of the cooking situation recognition unit 73 sensuously. can do. Therefore, the position adjustment time can be shortened.

As described above, the heating and cooking system 71 of the present embodiment includes the adjustment guide projection unit 75 (an example of the guide projection unit of the present disclosure) that is disposed at a position away from the top plate 5 and directed toward the top plate 5. The top plate 5 has a target marker (for example, the target marker 79, the light emitting units 6A to 6C, or the markers 8A to 8C) indicating a predetermined adjustment target position. The adjustment guide projection unit 75 can project a projection marker (for example, the projection marker 77 or the imaging region 81) indicating the imaging direction of the camera 19a. By reducing the difference in physical distance between the target marker and the projection marker, the shooting direction of the camera 19a can be adjusted. Thereby, the user can grasp the installation state of the camera 19a more visually.

The present disclosure is not limited to the above embodiment, and can be modified as follows.

(1) In the above embodiment, the display unit 11 is configured using a liquid crystal display having a normal resolution, but is not limited thereto. For example, as shown in FIG. 48, a dot liquid crystal display 11a may be provided in a part of the display unit 11.

When the display unit 11 includes the dot liquid crystal display 11a, for example, when the shift state shown in FIG. 49 occurs in the captured image 19ag, the dot picture shown in FIG. 50 or 52 is displayed from the dot liquid crystal display 11a. That is, by causing the light emitting units 6A to 6C or the markers 8A to 8C included in the region of the captured image 19ag to emit light with dots, it is possible to present the user with an easier understanding of the shift state of the captured region. When the cooking status recognition unit 73 is arranged in an appropriate direction at an appropriate position, as shown in FIG. 51 or FIG. 53, the user can cook by emitting all the dots in the dot area indicating each heating area. It can be known that the situation recognition unit 73 is appropriately arranged.

Also, notification may be made according to the current position shift. For example, as shown in FIG. 54, when a right shift occurs in the captured image 19ah, the shift amount is displayed on the dot liquid crystal display 11a as a relative amount. The bar 85 indicates the amount of deviation, and the bar 85 becomes shorter as the cooking state recognition unit 19 is turned to the left. When the cooking status recognition unit 19 faces in an appropriate direction, the display of the bar 85 disappears.

Further, for example, as shown in FIG. 55, when a rotational shift occurs in the photographed image 19ak, the shift amount is expressed as a relative amount on the dot liquid crystal display 11a. The triangular guide information 87 indicates the amount of deviation, and as the cooking status recognition unit 19 rotates counterclockwise, the triangle of the guide information 87 becomes slanted. When the cooking status recognition unit 19 is positioned at an appropriate angle, the guide information 87 disappears.

Further, the display unit 11 may include a high-resolution liquid crystal display 11b as shown in FIG. In this case, the shooting area of the camera 19a may be displayed according to the actual situation. For example, in FIG. 57, the photographed image 19am is misaligned, but as shown in FIG. 58, the high resolution liquid crystal display 11b has a relative amount of misalignment compared to the schematic diagram 89 showing the state d. Are displayed, and an arrow 93 indicating the direction in which the displacement direction is corrected is displayed.

Further, as shown in FIG. 59, when a clockwise rotation shift occurs in the photographed image 19an, the high-resolution liquid crystal display 11b rotates in a counterclockwise direction with a triangle 95 indicating the state of the state f and the shift amount. An arrow 97 for guidance for correction is displayed.

Thus, by displaying the live image reflecting the amount of deviation on the display unit 11, the cooking status recognition unit 19 can be corrected more easily.

(2) In the above embodiment, when the cooking status recognition unit 19 is arranged in the range hood 17, it is arranged in the center of the hood portion 17 a of the range hood 17, but is not limited thereto. In addition to this, for example, as shown in FIG. 60, it may be arranged at the front portion of the hood portion 17a. When arranged in the front portion of the hood portion 17a, the captured image 19ap has a trapezoidal shape with a long front side as shown in FIG. 61. An image of such an optimal position of the trapezoidal shape is stored in advance in the storage unit 27. To remember. Thereby, similarly to Embodiment 1, position shift can be guided.

Further, the cooking status recognition unit 19 may be arranged at the rear of the hood portion 17a as shown in FIG. When arranged at the rear part of the hood portion 17a, the photographed image 19aq has a trapezoidal shape with a long rear side as shown in FIG. I remember it. Thereby, similarly to Embodiment 1, position shift can be guided. In addition, you may arrange | position the cooking condition recognition part 19 in the range hood 17 which does not have the food part 17a.

(3) In the above embodiment, the marker is extracted and the first determination unit determines whether the marker information is included in the specified range of the image in a specified state. After correcting the above, the following processing may be performed. For example, the following processing is performed when the power of the cooking device 1 is turned on and when the battery of the cooking device 1 is replaced. The installation information of the camera 19a estimated by the deviation estimation unit 25c is stored in the storage unit 27. The installation information is information related to at least one of the horizontal position, vertical position, and shooting direction (including tilt) of the camera 19a. Obtained by pattern matching between the installation information obtained based on the image previously captured by the camera 19a and the images at various positions previously stored in the storage unit 27 by the control unit 25 based on the next captured image. The determination by the first determination unit may be performed when the difference from the position information exceeds a predetermined range.

(4) In the above embodiment, the position confirmation of the cooking status recognition unit 19 is performed when cooking is not performed, but is not limited thereto. For example, during cooking, the marker information is extracted based on the image captured by the camera 19a of the cooking status recognition unit 19, and the determination by the first determination unit 25b is performed, so that there is a change in the installation state of the camera 19a. Confirm. The change in the installation state is a change in at least one of the horizontal position, vertical position, and shooting direction (including tilt) of the camera 19a. When a change in the installation state is detected, the guidance information output unit 29 causes the notification unit 4 to output guidance information. The guidance information is notified to the user from the notification unit 4. Further, when a change in the installation state is detected, the deviation estimation unit 25c may instruct the coil control unit 10 to stop heating the heating coils 7A to 7C. Thereby, the coil control unit 10 stops the heating from the heating coils 7A to 7C.

(5) In the above embodiment, the marker is printed on the top plate 5, but the present invention is not limited to this. For example, the guidance information output unit 29 may use a specified symbol or pattern displayed on the display unit 11 as marker information.

(6) In the above embodiment, the heating cooker 1 is an induction heating cooker that induction-heats the container Cr using the heating coils 7A to 7C, but is not limited thereto. For example, the cooking device 1 may be a gas cooking device. In the case of a gas cooker, the container Cr is placed on the five virtues as a container placement portion provided on the top plate 5 of the main body 3, and is heated from below by a gas burner as a heating portion.

(7) In the above embodiment, the heating cooker 1 includes the marker extraction unit 25a, the first determination unit 25b, the shift estimation unit 25c, and the second determination unit 35. At least one of these includes a mobile terminal or the like May be provided in the external device. In that case, the cooking system includes an external device.

It should be noted that, by appropriately combining any of the above-described various embodiments and modifications, it is possible to achieve the respective effects.

Although the present disclosure has been fully described in connection with preferred embodiments with reference to the accompanying drawings, various variations and modifications will be apparent to those skilled in the art. Such changes and modifications are to be understood as being included therein unless they depart from the scope of this disclosure according to the appended claims. In addition, combinations of elements and changes in the order in each embodiment can be realized without departing from the scope and spirit of the present disclosure.

DESCRIPTION OF SYMBOLS 1 Heating cooker 3, 43 Main body 4 Informing part 5 Top plate 5b Front side 6A, 6B, 6C Light emission part 7A, 7B, 7C Heating coil 8A, 8B, 8C Marker 9A, 9B, 9C Operation input part 10 Coil control part 11 Display unit 11a Dot liquid crystal display 11b High resolution liquid crystal display 13 Setting unit 13a Setting key 13b Setting display unit 15 Audio output unit 17 Range hood 17a Food portion 19, 63, 73 Cooking status recognition unit 19a Camera 19aa Image 19ab Front side 19ac Image 19ad Image 19ae Image 19af Image 19ag Image 19ah Image 19ak Image 19am Image 19an Image 19ap Image 19aq Image 19b Temperature Sensor 19c Effective Range 21 Communication Unit 23 Communication Unit 25, 45 Control Unit 25 a Marker extraction unit 25b First determination unit 25c Deviation estimation unit 27 Storage unit 29 Guidance information output unit 31, 33, 35, 38 Round broken line 32 Triangle 34 Triangle 35 Second determination unit 37 Wall 38 Round broken line 39 Angle of view 41, 51 , 61, 71, 100 Cooking system 44 Angle of view 47 Mobile terminal 47a Display unit 47b Audio output unit 49 Router 53 Local area network 55 Internet 65 Temperature sensor 67 Electric drive unit 69 Detection unit 75 Adjustment guide projection unit 77 Circle 79 Marker 81 Shooting area 83 Ideal area 85 Bar 87 Guide information 89 Schematic 91 Bar 93 Arrow 95 Triangle 97 Arrow Cr Container Tc Object to be heated

Claims

A top plate on which a container for containing an object to be heated is placed and having marker information;
A heating unit for heating the container from below;
A heating control unit for controlling a heating amount from the heating unit to the container;
A camera positioned away from the top plate and directed to the top plate;
A marker information extraction unit for extracting the marker information included in an image photographed by the camera;
A first determination unit that determines whether or not the extracted marker information is included in a prescribed range of the image;
Based on the determination result by the first determination unit, a notification unit that notifies the installation state of the camera;
Cooking system equipped with.
When the first determination unit determines that the extracted marker information is not included in the specified range of the image, the notification unit notifies an abnormal installation state of the camera.
The cooking system according to claim 1.
A communication unit that wirelessly communicates the abnormal installation state of the camera to an external device having the notification unit;
When the first determination unit determines that the extracted marker information is not included in the specified range of the image, the communication unit displays the information on the abnormal installation state of the camera. Send it to an external device,
The notification unit of the external device notifies the abnormal installation state of the camera.
The cooking system according to claim 2.
A second determination unit that determines whether or not the height position of the camera is included in a range of a predetermined height position based on the extracted marker information;
When the second determination unit determines that the height position of the camera is not included in the range of the specified height position, the notification unit notifies the abnormal installation state of the camera.
The cooking system according to claim 2 or 3.
Corresponding to the installation state of the camera, comprising a guide information output unit for outputting guide information for position adjustment of the camera,
When the first determination unit determines that the extracted marker information is not included in the specified range of the image, the guidance information output unit stores the extracted marker information in the image The guidance information for guiding the change of the installation state of the camera is output to the notification unit so as to be included in the prescribed range of
The cooking system according to any one of claims 2 to 4.
Corresponding to the installation state of the camera, comprising a guide information output unit for outputting guide information for position adjustment of the camera,
When the second determination unit determines that the height position of the camera is not included in the range of the specified height position, the guidance information output unit determines the height position of the camera. Outputting the guidance information for guiding the change of the installation state of the camera to the notification unit so as to be included in the range of the specified height position;
The cooking system according to claim 4.
Based on the distortion of the extracted marker information, as installation information regarding the installation state of the camera, a camera position estimation unit that estimates the height position of the camera,
The guidance information output unit outputs the guidance information according to pre-recorded position adjustment data corresponding to the estimated height position;
The cooking system according to claim 6.
A storage unit for recording the estimated installation information;
When the difference between the installation information obtained based on the image taken by the camera last time and the installation information obtained based on the image taken thereafter exceeds a predetermined range, the first determination unit Judgment by
The cooking system according to claim 7.
The camera takes a picture during cooking of the heated object,
The first determination unit detects whether or not the installation state of the camera has changed by performing determination during cooking of the object to be heated,
When the change in the installation state is detected, the guidance information output unit outputs the guidance information, or the heating control unit stops heating from the heating unit,
The cooking system according to any one of claims 5 to 8.
Lighting or blinking the marker information in at least one of a specified position, a specified color, and a specified order;
The cooking system according to any one of claims 5 to 9.
The guidance information output unit displays a specified symbol or pattern as the marker information.
The cooking system according to any one of claims 5 to 10.
The external device is an integrated control unit disposed in a portable terminal or house having at least one of a display unit and an audio output unit.
The cooking system according to claim 3.
An electric drive unit that can adjust the shooting direction of the camera electrically,
The electric drive unit automatically adjusts the shooting direction of the camera so that the first determination unit determines that the extracted marker information is included in the specified range of the image.
The cooking system according to any one of claims 1 to 12.
The camera and a cooking status recognition unit including a temperature detection unit arranged at a position away from the top plate and directed to the top plate,
The camera and the temperature detector are arranged in the same direction,
The cooking system according to any one of claims 1 to 13.
A guide projection disposed at a position away from the top plate and directed to the top plate;
The top plate has a target marker indicating a predetermined adjustment target position,
The guide projection unit can project a projection marker indicating a shooting direction of the camera,
By reducing the difference in physical distance between the target marker and the projection marker, the shooting direction of the camera can be adjusted.
The cooking system according to any one of claims 1 to 12.
A guide projection disposed at a position away from the top plate and directed toward the top plate;
The top plate has a target marker indicating a predetermined adjustment target position,
The guide projection unit can project a projection marker indicating the shooting direction of the camera,
By reducing the difference in physical distance between the target marker and the projection marker, the shooting direction of the camera can be adjusted.
The cooking system according to claim 13.
The heating unit includes a heating coil that generates an induction magnetic field to heat the container,
The heating control unit heats the container by supplying a high-frequency current to the heating coil.
The cooking system according to any one of claims 1 to 16.
The marker information of the top plate has a size that is 1/100 or more of the number of recognizable pixels of the camera in an image photographed by the camera.
The cooking system according to any one of claims 1 to 17.
The distance from the camera to the top plate is 600 mm or more and 2000 mm or less.
The cooking system according to any one of claims 1 to 18.
A top plate on which a container for containing an object to be heated is placed and having marker information;
A heating unit for heating the container from below;
A method of informing the installation state of a camera for photographing a heating cooker equipped with
Input an image taken by the camera,
Extracting the marker information contained in the image;
Determining whether or not the extracted marker information is included in a prescribed range of the image;
Based on the determination result, outputting a notification signal for notifying the installation state of the camera,
A method for notifying the installation state of a camera for photographing a cooking device.