WO2019208066A1 - Image capture device and system - Google Patents

Image capture device and system Download PDF

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Publication number
WO2019208066A1
WO2019208066A1 PCT/JP2019/012711 JP2019012711W WO2019208066A1 WO 2019208066 A1 WO2019208066 A1 WO 2019208066A1 JP 2019012711 W JP2019012711 W JP 2019012711W WO 2019208066 A1 WO2019208066 A1 WO 2019208066A1
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WO
WIPO (PCT)
Prior art keywords
unit
imaging
cover
imaging device
light emitting
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PCT/JP2019/012711
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French (fr)
Japanese (ja)
Inventor
進一 河千泰
▲セン▼ 許
Original Assignee
株式会社リンクジャパン
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Application filed by 株式会社リンクジャパン filed Critical 株式会社リンクジャパン
Priority to JP2020516123A priority Critical patent/JP7334980B2/en
Publication of WO2019208066A1 publication Critical patent/WO2019208066A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path

Definitions

  • the present invention relates to an imaging apparatus and system.
  • Patent Document 1 discloses an existing meter reading device that can automatically record measurement value data measured by an existing meter and output it to the outside without suspending the facility to which the existing meter is attached. ing.
  • the present invention has been made in view of such circumstances, and an object of the present invention is to provide an imaging apparatus and system that can suitably realize automation of examinations of various meters.
  • an imaging apparatus including a battery includes an imaging unit and a communication chip, the imaging unit is configured to be capable of imaging numerical values as images, and the communication chip is captured by the imaging unit.
  • An imaging device is provided that is configured to be able to transmit the image and the remaining battery level to the outside.
  • the remaining amount of the battery can be transmitted to the outside (eg, server) together with the captured image by the communication chip.
  • the outside eg, server
  • the information processing apparatus receives the captured image transmitted from the imaging apparatus and the remaining amount of the battery, and executes various calculations, thereby providing various services.
  • FIG. 3 is a plan view of the gas meter 2.
  • FIG. 3 is a plan view illustrating a state where a cover 33 is attached to the gas meter 2.
  • FIG. 4 is a schematic diagram for explaining a rectangular area S1 surrounding the periphery of an imaging target (a numerical value displayed on the gas meter 2) and an area S2 in a plan view of the imaging apparatus 3.
  • FIG. 2 is a functional block diagram of the information processing apparatus 1.
  • FIG. 3 is a flowchart illustrating processing executed by the system 100. It is a schematic diagram showing the structural example of the board
  • FIG. 9A is a schematic diagram illustrating an OFF state of the switch 5 that controls the light emitting unit 41.
  • FIG. 9B is a schematic diagram illustrating an ON state of the switch. It is a perspective view showing the cover 33 which concerns on other embodiment, and the attachment 6 which positions a cover. It is the perspective view seen from the angle different from FIG.
  • FIG. 4 is a perspective view seen from the lower side of a cover 33. It is the perspective view seen from the upper side of the attachment 6.
  • FIG. 4 is a plan view showing the inside of an attachment 6.
  • System 100 A system 100 according to an embodiment of the present invention will be described with reference to FIG. As illustrated in FIG. 1, the system 100 includes an imaging device 3 and an information processing device 1.
  • the imaging device 3 includes a battery (not shown), an imaging unit 31, and a communication chip 32.
  • the imaging unit 31 is configured to be able to image numerical values as images (image data).
  • the imaging unit 31 reads a numerical value displayed on the gas meter 2.
  • the imaging target of the imaging unit 31 is not limited to this, and various meters such as a water meter and an electric meter can be set as the imaging target.
  • the “numerical value” includes a number represented by a meter hand.
  • the communication chip 32 is configured to be able to transmit the image captured by the imaging unit 31 and the remaining amount of the battery to the outside.
  • the timing for transmitting the image and the remaining amount of the battery is not particularly limited, and may be transmitted every 1 hour, 3 hours, 6 hours, 12 hours, 24 hours, or every few minutes.
  • the remaining battery level can be transmitted when the remaining battery level falls below a threshold. For example, it may be transmitted when the remaining battery level falls below 50%, falls below 30%, falls below 10%, falls below 5%, or the like.
  • the image captured by the imaging unit 31 is about 1 to 10 kilobytes.
  • the communication chip 32 is a chip that supports any one of NB-IoT, SIGFOX, LoRaWAN, eMTC, and 3G / 4G / 5G communication systems.
  • the communication chip 32 preferably corresponds to a frequency band of 700 MHz to 4 GHz.
  • the imaging device 3 includes a cover 33.
  • the cover 33 is configured to be attachable to an imaging target of the imaging unit 31.
  • at least a portion facing the imaging target is formed of a transparent material.
  • the imaging unit 31 is provided on the cover 33.
  • the imaging unit 31 is provided so that the imaging target can be viewed through the cover 33.
  • the gas meter 2 that is the imaging target of the present embodiment includes a display unit 21 that displays the amount of gas used, and two protrusions 22 on the top of the housing.
  • the cover 33 of the present embodiment is configured to be fitted from above the protrusion 22 of the gas meter 2.
  • the imaging device 3 is provided inside the cover 33.
  • the imaging unit 31 of the imaging device 3 is provided so as to face the area where the numerical value is displayed in order to capture the numerical value displayed on the display unit 21 of the gas meter 2.
  • the value of (area S1 of a rectangle (dotted line in the figure) surrounding the periphery of the imaging target) / (area S2 in plan view of the imaging device 3) is 10 or more. preferable. This is to allow the meter reading of the gas meter 2 to visually check the numerical value displayed on the display unit 21 in case a trouble occurs in the imaging device 3.
  • the value of “S1 / S2” is 10 to 1000, preferably 205 to 750, and more preferably 50 to 500.
  • the value of “S1 / S2” is, for example, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95. , 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, and may be in a range between any two of the numerical values exemplified here.
  • the meter reader can view the numerical value displayed on the display unit 21 by looking into the display unit 21 from the direction (arrow in the figure) deviated from the front of the imaging device 3. Is possible.
  • the information processing apparatus 1 is configured by a server, for example.
  • the information processing apparatus 1 includes a communication unit 11, a storage unit 12, an image processing unit 13, a control unit 14, a totaling unit 15, and an analysis unit 16.
  • the communication unit 11 is configured to be able to receive an image transmitted from the communication chip 32 of the imaging device 3 and a remaining battery level of the imaging device 3.
  • the storage unit 12 stores various programs and various data used for image processing by the image processing unit 13.
  • the image processing unit 13 is configured to perform image processing (character recognition processing) on the image received by the communication unit 11 and extract a numerical value from the image.
  • the character recognition process is realized by OCR (Optical Character Recognition) or the like. Therefore, in the present embodiment, the storage unit 12 stores data such as feature points used for OCR.
  • the control unit 14 is configured by a CPU or the like, and controls each element of the information processing apparatus 1 according to a program stored in the storage unit 12.
  • the totaling unit 15 totals the numerical values in a predetermined period based on the numerical values extracted by the image processing unit 13. For example, the amount of gas used in the facility where the gas meter 2 is installed up to 12 months ago is tabulated monthly.
  • the analysis unit 16 analyzes the change of the numerical value in a predetermined period based on the numerical value extracted by the image processing unit 13. Specifically, the result of counting by the counting unit 15 is analyzed, and the change of the numerical value over several days, weeks, or months is analyzed. Thereby, when the usage-amount of gas is increasing extremely, the defect of the image processing by the image processing part 13, etc. can be detected. In addition, when the use of gas is stopped for several days, the resident of the house where the gas meter 2 is installed may have fallen ill, and this can be notified to the family.
  • the information processing apparatus 1 is configured to be able to communicate with the user terminal 4, the information terminal 7, and the server 8.
  • the user terminal 4 is a multifunction information terminal such as a smartphone or a tablet terminal. In the present embodiment, the user terminal 4 is possessed by a family, relative, friend or the like of a resident of the house where the gas meter 2 is installed.
  • the information terminal 7 is a PC, and is installed in a crime prevention service provider or a watch service provider.
  • the server 8 is installed in a gas company. Thereby, the result totaled / analyzed by the information processing apparatus 1 can be transmitted to each device, and various services can be realized. Details of the service will be described later.
  • Each component described above may be realized by software or hardware.
  • various functions can be realized by the CPU executing a program.
  • the program may be stored in a built-in storage unit, or may be stored in a computer-readable non-transitory recording medium. Alternatively, the program stored in an external storage unit may be read and realized by so-called cloud computing.
  • When realized by hardware it can be realized by various circuits such as ASIC, FPGA, or DRP. In this embodiment, various types of information and concepts including this are handled. These are represented by the level of a signal value as a binary bit set composed of 0 or 1, and the software or hardware described above. Communication and calculation can be executed according to the above-described mode.
  • the numerical value displayed on the display unit 21 of the gas meter 2 is imaged by the imaging unit 31 of the imaging device 3.
  • the timing of imaging by the imaging device 3 is arbitrary, and when grasping the monthly gas usage, it is sufficient to capture the image once a month. For example, when providing a monitoring service for the elderly, it is desirable to take an image once to several times a day.
  • the image captured by the imaging device 3 is transmitted to the information processing device 1.
  • the remaining amount of the battery of the imaging device 3 may be transmitted to the information processing device 1 together with the image.
  • the image processing unit 13 of the information processing device 1 performs image processing on the image received from the imaging device 3. Thereby, the numerical value displayed on the display part 21 of the gas meter 2 is extracted.
  • the aggregation / analysis result is transmitted to the server 8.
  • the gas company can perform meter reading of the amount of gas used without dispatching a meter reader.
  • the gas company can predict the amount of gas used with high accuracy, and can prevent wasteful supply of gas. Become.
  • control part 14 of the information processing apparatus 1 determines the presence or absence of abnormality. For example, as described above, when the amount of gas used is extremely large or when the use of gas is stopped for several days, it is determined that there is an abnormality.
  • a notification is transmitted to the server 8 of the gas company, and when the use of gas is stopped for several days (the change in the numerical value during a predetermined period is a threshold value). If it is less than), a notification is transmitted to the information terminal 7 of the security company or the monitoring service providing company and the user terminal 4 of the resident of the house where the gas meter 2 is installed.
  • the information processing device 1 transmits a notification to the server 8 when the remaining amount of the battery transmitted from the imaging device 3 falls below the threshold value.
  • a plurality of threshold values are provided. For example, when the remaining amount of the battery falls below 50% for the first time, falls below 30% for the first time, falls below 10% for the first time, falls below 5% for the first time, The remaining battery level may be transmitted. Further, the remaining amount of the battery may be transmitted to the information processing apparatus 1 every time the imaging apparatus 3 captures an image. As a result, the battery can be replaced before the battery of the imaging device 3 runs out. That is, in this embodiment, the control unit 14 controls the communication unit 11 when (1) the change in the numerical value in a predetermined period is below the threshold value, or (2) when the remaining battery level is below the threshold value. Configured to send a notification to the outside.
  • the predetermined period and threshold value may be configured to be changeable based on the analysis result by the analysis unit 16. For example, in the case of a house that does not normally use gas, the predetermined period may be increased and the threshold value may be decreased. Conversely, in the case of a house that normally uses a large amount of gas, the threshold may be increased while reducing the predetermined period. Furthermore, a predetermined period and threshold value may be changed for each season. For example, in a season in which the amount of gas used increases, the predetermined period may be reduced and the threshold value may be increased.
  • the abnormality determination is S6, but such abnormality determination may be executed between S4 and S5.
  • the imaging device 3 includes a substrate 4a.
  • the imaging unit 31 and the communication chip 32 are provided on the substrate.
  • the light emitting part 41 is provided on the end face 42 of the substrate 4a.
  • the light emitting unit 41 emits light in a direction different from that of the imaging unit 31.
  • the light emitting unit 41 is configured not to irradiate light directly onto the imaging target.
  • the light emitting unit 41 functions as indirect illumination, instead of directly illuminating the display unit 21 (see FIG. 2) that is the imaging object.
  • the light emitting unit 41 can be composed of an arbitrary member, and for example, an LED chip can be adopted.
  • FIG. 8 shows an example in which the substrate 4 a is arranged inside the cover 33.
  • the circuit board 4 b is provided inside the cover 33.
  • An electronic component (not shown) is disposed on the circuit board 4b.
  • the communication chip 32 can be provided on the circuit board 4b.
  • the light emitting unit 41 is further provided on the circuit board 4b. With this configuration, similarly to the light emitting unit 41 provided on the end face 42 of the substrate 4a, the light emitted from the light emitting unit 41 provided on the circuit board 4b does not directly hit the imaging target, and the light emitting unit 41 functions as indirect illumination.
  • machine light by the machine learning unit provided in the server 8 is efficiently executed by not directly applying the light from the light emitting unit 41 to the imaging target.
  • the machine learning unit performs machine learning on the image picked up by the image pickup unit 31 and improves the reading accuracy of the value displayed on the display unit 21.
  • the visibility of the captured image is lowered, and the accuracy of machine learning is lowered.
  • machine learning can be executed efficiently.
  • the light emission state (ON) / non-light emission state (OFF) of the light emitting unit 41 is configured to be switchable by the switch 5.
  • the switch 5 is configured to be able to switch the state of the light emitting unit 41 by a magnetic force.
  • the switch 5 includes a pair of vacuum tubes 51 and a housing 52 that encloses the vacuum tubes 51. Further, an iron core (not shown) is inserted into the vacuum tube 51.
  • the pair of vacuum tubes 51 are separated from each other, and the light emitting unit 41 is in a non-light emitting state (OFF).
  • the light emitting unit 41 is in a non-light emitting state (OFF).
  • FIG. 9B by bringing the magnet closer to the housing 52, at least one of the vacuum tubes 51 is displaced by magnetic force, so that the pair of vacuum tubes 51 come into contact. Thereby, the light emission part 41 will be in the light emission state (ON).
  • the attachment 6 for positioning the cover 33 is provided.
  • the attachment target object of the attachment assumes the cylindrical support
  • the attachment 6 includes a pair of ring members 61, a pair of support columns 62, and a pair of hooks 63.
  • the pair of ring members 61 are supported by a pair of support columns 62.
  • the pair of ring members 61 are configured to be movable in the longitudinal direction of the pair of support columns 62. Specifically, a shaft 64 provided inside the support 62 is passed through a hole provided in a part of the ring member 61. Then, by applying an external force in a direction in which the pair of ring members 61 are separated from each other, the pair of ring members 61 moves in the longitudinal direction of the pair of support columns 62 (in the arrow direction in the drawing) around the center line CL. In this state, the attachment object is surrounded by the ring member 61 and the ring members 61 are brought close to each other, whereby the attachment is fixed to the attachment object.
  • the ring member 61 has a contact surface 61a.
  • the abutting surface 61a is a surface that abuts the attachment object.
  • the contact surface 61a is formed with an uneven shape that increases the friction force with the object to be attached. Thereby, compared with the form which does not have uneven
  • the cover 33 includes a cylindrical portion 34 and a hooking portion 35.
  • the cylindrical portion 34 is inserted through a cylindrical column that supports a water meter or the like, and an accommodation space 36 is formed therein. A water meter or the like is accommodated in the accommodation space 36 with the cover 33 covered.
  • the hook 63 is configured so that the cover 33 can be attached thereto. Specifically, the attachment 6 and the cover 33 are engaged with each other by hooking the hook 63 on the hook portion 35. Accordingly, the cover 33 is positioned by the attachment 6 in a state where the attachment 6 is fixed to the cylindrical support column that supports the water meter or the like.
  • the imaging target of the present invention is not limited to this.
  • the imaging target of the present invention is not limited to this.
  • the supply amount from the power company is large relative to the actual usage (demand) of the user, the extra generated electricity cannot be accumulated and the extra electricity It becomes useless.
  • this situation is not preferable in terms of the environment on a global scale.
  • the supply amount from the electric power company is small with respect to the actual usage amount (demand) of the user, it becomes impossible to stably supply electricity to the user.
  • the power usage amount displayed on the power meter by the imaging device 3 is imaged by the imaging device 3, and transmitted to the information processing device 1 for aggregation / analysis, so that the power usage amount can be predicted with high accuracy. Therefore, it can contribute to the solution of the above problem.
  • the imaging device 3 is provided at a position where the display unit 21 of the gas meter 2 and the imaging device 3 do not overlap.
  • the numerical value captured by the imaging device 3 is tilted, it is preferable to perform tilt correction by the image processing unit 13 of the information processing device 1.
  • the characteristic points of each numerical value in the tilted state may be stored in the storage unit 12, and the numerical values in the tilted state may be directly recognized.
  • the cover 33 facing the imaging target may be formed of a transparent material, or the cover 33 may be entirely formed of a transparent material such as acrylic. Instead of the cover 33, the imaging device 3 may be opposed to the display unit 21 by an arm.
  • the present invention can also be realized in the following modes.
  • the computer functions as a communication unit and an image processing unit,
  • the communication unit is configured to be able to communicate with an imaging device including a battery, and configured to be able to receive an image transmitted from the imaging device and the remaining amount of the battery,
  • the image processing unit is configured to perform character recognition processing on the image and extract a numerical value from the image. program.
  • Information processing device 11 Communication unit 12: Storage unit 13: Image processing unit 14: Control unit 15: Counting unit 16: Analysis unit 2: Gas meter 21: Display unit 22: Projection 3: Imaging device 31: Imaging unit 32: Communication chip 33: Cover 34: Tube portion 35: Hook portion 36: Housing space 4: User terminal 4a: Substrate 4b: Circuit board 41: Light emitting portion 42: End face 5: Switch 51: Vacuum tube 52: Housing 6: Attachment 61: Ring Member 61a: Contact surface 62: Post 63: Hook 64: Shaft 7: Information terminal 8: Server 100: System CL: Center line

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)

Abstract

[Problem] To provide an image capture device and system with which inspection of a variety of types of meters can be suitably automated. [Solution] The present invention provides an image capture device comprising a battery, an image capture part, and a communication chip. The image capture part is configured to be capable of capturing a numerical value as an image. The communication chip is configured to be capable of externally transmitting the image having been captured by the image capture part and the remaining capacity of the battery.

Description

撮像装置及びシステムImaging apparatus and system
　本発明は、撮像装置及びシステムに関する。 The present invention relates to an imaging apparatus and system.
　ガスメーター、水道メーター、電気メーター等の検診を自動化するために、種々のシステムが提案されている。 Various systems have been proposed to automate examinations such as gas meters, water meters, and electric meters.
　特許文献１には、既設メーターが取り付けられている設備を休止することなく既設メーターにより計測された計測値データを自動的に記録するとともに外部に出力することが可能な既設メーター読取装置が開示されている。 Patent Document 1 discloses an existing meter reading device that can automatically record measurement value data measured by an existing meter and output it to the outside without suspending the facility to which the existing meter is attached. ing.
特開２００３－１８７３６９号公報JP 2003-187369 A
　ところが、従来のシステムでは、既設メーター読取装置の具体的な配置については考慮されていない。 However, the conventional system does not consider the specific arrangement of the existing meter reader.
　本発明は、かかる事情を鑑みてなされたものであり、種々のメーターの検診の自動化を好適に実現可能な撮像装置及びシステムを提供することを目的とする。 The present invention has been made in view of such circumstances, and an object of the present invention is to provide an imaging apparatus and system that can suitably realize automation of examinations of various meters.
　以下、本発明の種々の実施形態を例示する。以下に示す実施形態は互いに組み合わせ可能である。 Hereinafter, various embodiments of the present invention will be exemplified. The following embodiments can be combined with each other.
　本発明によれば、バッテリーを備えた撮像装置であって、撮像部及び通信チップを備え、前記撮像部は、数値を画像として撮像可能に構成され、前記通信チップは、前記撮像部により撮像された画像と、前記バッテリーの残量を外部に送信可能に構成される、撮像装置が提供される。 According to the present invention, an imaging apparatus including a battery includes an imaging unit and a communication chip, the imaging unit is configured to be capable of imaging numerical values as images, and the communication chip is captured by the imaging unit. An imaging device is provided that is configured to be able to transmit the image and the remaining battery level to the outside.
　本発明の撮像装置によれば、通信チップにより、撮像画像と合わせてバッテリーの残量も外部（例：サーバ）に送信することができる。これにより、撮像装置のバッテリーが切れてしまって定期的な撮像ができなくなる前にバッテリーの交換をする事が可能になる。 According to the imaging apparatus of the present invention, the remaining amount of the battery can be transmitted to the outside (eg, server) together with the captured image by the communication chip. As a result, it is possible to replace the battery before the imaging device battery runs out and regular imaging cannot be performed.
　本発明のシステムによれば、撮像装置から送信された撮像画像及びバッテリーの残量を情報処理装置が受信し、種々の演算を実行することにより、種々のサービスを提供することが可能になる。 According to the system of the present invention, the information processing apparatus receives the captured image transmitted from the imaging apparatus and the remaining amount of the battery, and executes various calculations, thereby providing various services.
本発明の一実施形態に係るシステム１００の構成を示す模式図である。It is a mimetic diagram showing the composition of system 100 concerning one embodiment of the present invention. ガスメーター２の平面図である。3 is a plan view of the gas meter 2. FIG. ガスメーター２にカバー３３を取り付けた状態を表す平面図である。3 is a plan view illustrating a state where a cover 33 is attached to the gas meter 2. FIG. 撮像対象（ガスメーター２に表示される数値）の周囲を取り囲む矩形の面積Ｓ１と、撮像装置３の平面視における面積Ｓ２を説明するための模式図である。4 is a schematic diagram for explaining a rectangular area S1 surrounding the periphery of an imaging target (a numerical value displayed on the gas meter 2) and an area S2 in a plan view of the imaging apparatus 3. FIG. 情報処理装置１の機能ブロック図である。2 is a functional block diagram of the information processing apparatus 1. FIG. システム１００が実行する処理を表すフローチャートである。3 is a flowchart illustrating processing executed by the system 100. 一実施形態に係る撮像装置３の基板４ａの構成例を表す模式図である。It is a schematic diagram showing the structural example of the board | substrate 4a of the imaging device 3 which concerns on one Embodiment. 図７に示される撮像装置３をガスメーター２に取り付けた状態を表す図である。It is a figure showing the state which attached the imaging device 3 shown by FIG. 図９Ａは、発光部４１を制御するスイッチ５のＯＦＦ状態を表す模式である。図９Ｂは、スイッチのＯＮ状態を表す模式図である。FIG. 9A is a schematic diagram illustrating an OFF state of the switch 5 that controls the light emitting unit 41. FIG. 9B is a schematic diagram illustrating an ON state of the switch. 他の実施形態に係るカバー３３と、カバーを位置決めするアタッチメント６を表す斜視図である。It is a perspective view showing the cover 33 which concerns on other embodiment, and the attachment 6 which positions a cover. 図１０と異なる角度から見た斜視図である。It is the perspective view seen from the angle different from FIG. カバー３３の下側から見た斜視図である。FIG. 4 is a perspective view seen from the lower side of a cover 33. アタッチメント６の上側から見た斜視図である。It is the perspective view seen from the upper side of the attachment 6. FIG. アタッチメント６の内部を表す平面図である。4 is a plan view showing the inside of an attachment 6. FIG.
　以下、図面を用いて本発明の実施形態について説明する。以下に示す実施形態中で示した各種特徴事項は、互いに組み合わせ可能である。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. Various characteristic items shown in the following embodiments can be combined with each other.
　１．システム１００の構成
　本発明の一実施形態に係るシステム１００について、図１を用いて説明する。図１に示すように、システム１００は、撮像装置３及び情報処理装置１を備える。 1. Configuration of System 100 A system 100 according to an embodiment of the present invention will be described with reference to FIG. As illustrated in FIG. 1, the system 100 includes an imaging device 3 and an information processing device 1.
　１．１　撮像装置３
　撮像装置３は、バッテリー（不図示）、撮像部３１及び通信チップ３２を備える。撮像部３１は、数値を画像（画像データ）として撮像可能に構成される。本実施形態では、撮像部３１は、ガスメーター２に表示される数値を読み取る。ここで、撮像部３１の撮像対象はこれに限定されず、水道メーター、電気メーター等、種々のメーターを撮像対象とすることができる。この場合、「数値」とは、メーターの針が表す数字を含むものである。 1.1 Imaging device 3
The imaging device 3 includes a battery (not shown), an imaging unit 31, and a communication chip 32. The imaging unit 31 is configured to be able to image numerical values as images (image data). In the present embodiment, the imaging unit 31 reads a numerical value displayed on the gas meter 2. Here, the imaging target of the imaging unit 31 is not limited to this, and various meters such as a water meter and an electric meter can be set as the imaging target. In this case, the “numerical value” includes a number represented by a meter hand.
　通信チップ３２は、撮像部３１により撮像された画像と、バッテリーの残量を外部に送信可能に構成される。画像及びバッテリーの残量を送信するタイミングは特に限定されず、１時間、３時間、６時間、１２時間、２４時間毎、又は数分毎に送信してもよい。また、バッテリーの残量が閾値を下回った場合にバッテリーの残量を送信することもできる。例えば、バッテリーの残量が５０％を下回ったとき、３０％を下回ったとき、１０％を下回ったとき、５％を下回ったとき等に送信してもよい。ここで、本実施形態では、撮像部３１により撮像された画像は、１～１０キロバイト程度である。通信チップ３２は、ＮＢ－ＩｏＴ、ＳＩＧＦＯＸ、ＬｏＲａＷＡＮ、ｅＭＴＣ、３Ｇ／４Ｇ／５Ｇ通信方式のいずれかに対応するチップである。また、通信チップ３２は、周波数帯が７００ＭＨｚ～４ＧＨｚに対応することが好ましい。 The communication chip 32 is configured to be able to transmit the image captured by the imaging unit 31 and the remaining amount of the battery to the outside. The timing for transmitting the image and the remaining amount of the battery is not particularly limited, and may be transmitted every 1 hour, 3 hours, 6 hours, 12 hours, 24 hours, or every few minutes. Further, the remaining battery level can be transmitted when the remaining battery level falls below a threshold. For example, it may be transmitted when the remaining battery level falls below 50%, falls below 30%, falls below 10%, falls below 5%, or the like. Here, in the present embodiment, the image captured by the imaging unit 31 is about 1 to 10 kilobytes. The communication chip 32 is a chip that supports any one of NB-IoT, SIGFOX, LoRaWAN, eMTC, and 3G / 4G / 5G communication systems. The communication chip 32 preferably corresponds to a frequency band of 700 MHz to 4 GHz.
　本実施形態では、撮像装置３はカバー３３を備える。カバー３３は撮像部３１の撮像対象に取り付け可能に構成される。また、少なくとも撮像対象と対向する箇所が透明素材により形成される。また、撮像部３１はカバー３３に設けられる。本実施形態では、撮像部３１は、撮像対象をカバー３３越しに視認可能に設けられる。以下、図２及び図３を用いて説明する。 In the present embodiment, the imaging device 3 includes a cover 33. The cover 33 is configured to be attachable to an imaging target of the imaging unit 31. In addition, at least a portion facing the imaging target is formed of a transparent material. The imaging unit 31 is provided on the cover 33. In the present embodiment, the imaging unit 31 is provided so that the imaging target can be viewed through the cover 33. Hereinafter, a description will be given with reference to FIGS.
　図２に示すように、本実施形態の撮像対象であるガスメーター２は、ガスの使用量を表示する表示部２１と、筐体の上部に２つの突起２２を備える。図３に示すように、本実施形態のカバー３３は、ガスメーター２の突起２２の上から嵌めるように構成される。また、カバー３３の内部に撮像装置３が設けられる。撮像装置３の撮像部３１は、ガスメーター２の表示部２１に表示される数値を撮像するために、数値が表示される領域と対向するように設けられる。 As shown in FIG. 2, the gas meter 2 that is the imaging target of the present embodiment includes a display unit 21 that displays the amount of gas used, and two protrusions 22 on the top of the housing. As shown in FIG. 3, the cover 33 of the present embodiment is configured to be fitted from above the protrusion 22 of the gas meter 2. In addition, the imaging device 3 is provided inside the cover 33. The imaging unit 31 of the imaging device 3 is provided so as to face the area where the numerical value is displayed in order to capture the numerical value displayed on the display unit 21 of the gas meter 2.
　ここで、図４に示すように、（撮像対象の周囲を取り囲む矩形（図中の点線）の面積Ｓ１）／（撮像装置３の平面視における面積Ｓ２）の値が、１０以上であることが好ましい。これは、撮像装置３にトラブルが起きた場合等に備え、ガスメーター２の検針員が表示部２１に表示される数値を目視できるようにするためである。「Ｓ１／Ｓ２」の値は、１０～１０００、好ましくは、２０５～７５０、さらに好ましくは、５０～５００である。「Ｓ１／Ｓ２」の値は、具体的には例えば、１０，１５，２０，２５，３０，３５，４０，４５，５０，５５，６０，６５，７０，７５，８０，８５，９０，９５，１００，２００，３００，４００，５００，６００，７００，８００，９００，１０００であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 Here, as shown in FIG. 4, the value of (area S1 of a rectangle (dotted line in the figure) surrounding the periphery of the imaging target) / (area S2 in plan view of the imaging device 3) is 10 or more. preferable. This is to allow the meter reading of the gas meter 2 to visually check the numerical value displayed on the display unit 21 in case a trouble occurs in the imaging device 3. The value of “S1 / S2” is 10 to 1000, preferably 205 to 750, and more preferably 50 to 500. Specifically, the value of “S1 / S2” is, for example, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95. , 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, and may be in a range between any two of the numerical values exemplified here.
　これにより、図３に示すように、検針員は、撮像装置３の正面からずれた方向（図中の矢印）から表示部２１を覗くことで、表示部２１に表示される数値を視認する事が可能になる。 As a result, as shown in FIG. 3, the meter reader can view the numerical value displayed on the display unit 21 by looking into the display unit 21 from the direction (arrow in the figure) deviated from the front of the imaging device 3. Is possible.
　１．２　情報処理装置１
　次に、図５を用いて情報処理装置１について説明する。情報処理装置１は、例えばサーバにより構成される。情報処理装置１は、通信部１１、記憶部１２、画像処理部１３、制御部１４、集計部１５及び解析部１６を備える。通信部１１は、撮像装置３の通信チップ３２から送信された画像と、撮像装置３のバッテリーの残量を受信可能に構成される。 1.2 Information processing device 1
Next, the information processing apparatus 1 will be described with reference to FIG. The information processing apparatus 1 is configured by a server, for example. The information processing apparatus 1 includes a communication unit 11, a storage unit 12, an image processing unit 13, a control unit 14, a totaling unit 15, and an analysis unit 16. The communication unit 11 is configured to be able to receive an image transmitted from the communication chip 32 of the imaging device 3 and a remaining battery level of the imaging device 3.
　記憶部１２は、種々のプログラム及び画像処理部１３による画像処理に利用される種々のデータを記憶する。 The storage unit 12 stores various programs and various data used for image processing by the image processing unit 13.
　画像処理部１３は、通信部１１が受信した画像に対して画像処理（文字認識処理）を実行し、画像から数値を抽出可能に構成される。ここで、文字認識処理はＯＣＲ（Ｏｐｔｉｃａｌ　Ｃｈａｒａｃｔｅｒ　Ｒｅｃｏｇｎｉｔｉｏｎ）等により実現される。したがって、本実施形態では、ＯＣＲに利用する特徴点等のデータを記憶部１２が記憶している。 The image processing unit 13 is configured to perform image processing (character recognition processing) on the image received by the communication unit 11 and extract a numerical value from the image. Here, the character recognition process is realized by OCR (Optical Character Recognition) or the like. Therefore, in the present embodiment, the storage unit 12 stores data such as feature points used for OCR.
　制御部１４は、ＣＰＵ等により構成され、記憶部１２に記憶されたプログラムに従い、情報処理装置１の各要素を制御する。 The control unit 14 is configured by a CPU or the like, and controls each element of the information processing apparatus 1 according to a program stored in the storage unit 12.
　集計部１５は、画像処理部１３により抽出された数値に基づいて、予め定められた期間における数値を集計する。例えば、ガスメーター２が設置された施設における現在～１２ヶ月前までのガスの使用量につき、月毎に集計する。 The totaling unit 15 totals the numerical values in a predetermined period based on the numerical values extracted by the image processing unit 13. For example, the amount of gas used in the facility where the gas meter 2 is installed up to 12 months ago is tabulated monthly.
　解析部１６は、画像処理部１３により抽出された数値に基づいて、予め定められた期間における数値の変遷を解析する。具体的には、集計部１５による集計結果を解析し、数日間、数週間、数ヶ月にける数値の変遷を解析する。これにより、ガスの使用量が極端に多くなっている場合には、画像処理部１３による画像処理の不備等を検出することができる。また、数日間ガスの使用が停止している場合には、ガスメーター２を設置している家の住人が病に倒れている可能性があり、それを家族等に通知することができる。 The analysis unit 16 analyzes the change of the numerical value in a predetermined period based on the numerical value extracted by the image processing unit 13. Specifically, the result of counting by the counting unit 15 is analyzed, and the change of the numerical value over several days, weeks, or months is analyzed. Thereby, when the usage-amount of gas is increasing extremely, the defect of the image processing by the image processing part 13, etc. can be detected. In addition, when the use of gas is stopped for several days, the resident of the house where the gas meter 2 is installed may have fallen ill, and this can be notified to the family.
　１．３　その他のデバイス
　図１に示すように、情報処理装置１は、ユーザー端末４、情報端末７及びサーバ８と通信可能に構成される。ユーザー端末４は、例えばスマートフォンやタブレット端末等の多機能情報端末である。本実施形態では、ユーザー端末４は、ガスメーター２の設置される家の住人の家族、親戚、友人等により所持されるものである。情報端末７は、ＰＣであり、防犯サービス提供会社や見守りサービス提供会社に設置されるものである。サーバ８は、ガス会社に設置されるものである。これにより、情報処理装置１により集計／解析された結果を各デバイスに送信し、種々のサービスを実現することができる。サービスの詳細については後述する。 1.3 Other Devices As shown in FIG. 1, the information processing apparatus 1 is configured to be able to communicate with the user terminal 4, the information terminal 7, and the server 8. The user terminal 4 is a multifunction information terminal such as a smartphone or a tablet terminal. In the present embodiment, the user terminal 4 is possessed by a family, relative, friend or the like of a resident of the house where the gas meter 2 is installed. The information terminal 7 is a PC, and is installed in a crime prevention service provider or a watch service provider. The server 8 is installed in a gas company. Thereby, the result totaled / analyzed by the information processing apparatus 1 can be transmitted to each device, and various services can be realized. Details of the service will be described later.
　上記の各構成要素は、ソフトウェアによって実現してもよく、ハードウェアによって実現してもよい。ソフトウェアによって実現する場合、ＣＰＵがプログラムを実行することによって各種機能を実現することができる。プログラムは、内蔵の記憶部に格納してもよく、コンピュータ読み取り可能な非一時的な記録媒体に格納してもよい。また、外部の記憶部に格納されたプログラムを読み出し、いわゆるクラウドコンピューティングにより実現してもよい。ハードウェアによって実現する場合、ＡＳＩＣ、ＦＰＧＡ、又はＤＲＰなどの種々の回路によって実現することができる。本実施形態においては、様々な情報やこれを包含する概念を取り扱うが、これらは、０又は１で構成される２進数のビット集合体として信号値の高低によって表され、上記のソフトウェア又はハードウェアの態様によって通信や演算が実行され得るものである。 Each component described above may be realized by software or hardware. When realized by software, various functions can be realized by the CPU executing a program. The program may be stored in a built-in storage unit, or may be stored in a computer-readable non-transitory recording medium. Alternatively, the program stored in an external storage unit may be read and realized by so-called cloud computing. When realized by hardware, it can be realized by various circuits such as ASIC, FPGA, or DRP. In this embodiment, various types of information and concepts including this are handled. These are represented by the level of a signal value as a binary bit set composed of 0 or 1, and the software or hardware described above. Communication and calculation can be executed according to the above-described mode.
　２．システム１００の処理
　次に、図６を用いて、システム１００の処理について説明する。 2. Processing of System 100 Next, processing of the system 100 will be described with reference to FIG.
　まず、Ｓ１において、撮像装置３の撮像部３１によりガスメーター２の表示部２１に表示される数値が撮像される。ここで、撮像装置３による撮像のタイミングは任意であり、月々のガス使用量を把握する場合には、１ヶ月に１回撮像すれば足りる。また、例えば高齢者の見守りサービスを提供する場合には、１日に１～数回撮像することが望ましい。 First, in S1, the numerical value displayed on the display unit 21 of the gas meter 2 is imaged by the imaging unit 31 of the imaging device 3. Here, the timing of imaging by the imaging device 3 is arbitrary, and when grasping the monthly gas usage, it is sufficient to capture the image once a month. For example, when providing a monitoring service for the elderly, it is desirable to take an image once to several times a day.
次に、Ｓ２において、撮像装置３が撮像した画像を情報処理装置１に送信する。ここで、画像とともに、撮像装置３のバッテリーの残量を情報処理装置１に送信してもよい。 Next, in S <b> 2, the image captured by the imaging device 3 is transmitted to the information processing device 1. Here, the remaining amount of the battery of the imaging device 3 may be transmitted to the information processing device 1 together with the image.
　次に、Ｓ３において、情報処理装置１の画像処理部１３は、撮像装置３から受信した画像に対し、画像処理を実行する。これにより、ガスメーター２の表示部２１に表示される数値を抽出する。 Next, in S <b> 3, the image processing unit 13 of the information processing device 1 performs image processing on the image received from the imaging device 3. Thereby, the numerical value displayed on the display part 21 of the gas meter 2 is extracted.
　次に、Ｓ４において、情報処理装置１の集計部１５及び解析部１６により、抽出した数値の集計／解析処理が実行される。 Next, in S4, the totaling unit 15 and the analyzing unit 16 of the information processing apparatus 1 execute the totaling / analyzing process of the extracted numerical values.
　次に、Ｓ５において、集計／解析結果をサーバ８に送信する。これにより、ガス会社は、検針員を派遣することなくガス使用量の検針を行うことができる。さらに、時間単位又は日単位で集計／解析結果をサーバ８に送信する場合には、ガス会社はガスの使用量を高精度で予測することができ、ガスの無駄な供給を防ぐことが可能になる。 Next, in S5, the aggregation / analysis result is transmitted to the server 8. Thereby, the gas company can perform meter reading of the amount of gas used without dispatching a meter reader. Furthermore, when the total / analysis result is transmitted to the server 8 in units of hours or days, the gas company can predict the amount of gas used with high accuracy, and can prevent wasteful supply of gas. Become.
　そして、Ｓ６において、情報処理装置１の制御部１４は、異常の有無を判定する。例えば、上述のように、ガスの使用量が極端に多くなっている場合や、数日間ガスの使用が停止している場合には、異常ありと判定する。 And in S6, the control part 14 of the information processing apparatus 1 determines the presence or absence of abnormality. For example, as described above, when the amount of gas used is extremely large or when the use of gas is stopped for several days, it is determined that there is an abnormality.
　そして、Ｓ６において異常ありとされた場合には、その旨を外部に通知する。例えば、ガスの使用量が極端に多くなっている場合にはガス会社のサーバ８に通知を送信し、数日間ガスの使用が停止している場合（予め定められた期間における数値の変化が閾値を下回る場合）には、警備会社又は見守りサービス提供会社の情報端末７や、ガスメーター２を設置している家の住人の関係者のユーザー端末４に通知を送信する。 And if there is an abnormality in S6, this is notified to the outside. For example, when the amount of gas used is extremely large, a notification is transmitted to the server 8 of the gas company, and when the use of gas is stopped for several days (the change in the numerical value during a predetermined period is a threshold value). If it is less than), a notification is transmitted to the information terminal 7 of the security company or the monitoring service providing company and the user terminal 4 of the resident of the house where the gas meter 2 is installed.
　あわせて、情報処理装置１は、撮像装置３から送信されたバッテリーの残量が閾値を下回る場合、サーバ８に通知を送信する。さらに、閾値を複数設け、例えばバッテリーの残量が５０％を初めて下回ったとき、３０％を初めて下回ったとき、１０％を初めて下回ったとき、５％を初めて下回ったときに情報処理装置１にバッテリーの残量を送信するようにしてもよい。また、撮像装置３が撮像する度にバッテリーの残量を情報処理装置１に送信してもよい。これにより、撮像装置３のバッテリーが切れる前にバッテリーを交換することができる。すなわち、本実施形態では、制御部１４は、（１）予め定められた期間における数値の変化が閾値を下回る場合、又は（２）バッテリーの残量が閾値を下回る場合、通信部１１を制御して外部に通知を送信するように構成される。 In addition, the information processing device 1 transmits a notification to the server 8 when the remaining amount of the battery transmitted from the imaging device 3 falls below the threshold value. Further, a plurality of threshold values are provided. For example, when the remaining amount of the battery falls below 50% for the first time, falls below 30% for the first time, falls below 10% for the first time, falls below 5% for the first time, The remaining battery level may be transmitted. Further, the remaining amount of the battery may be transmitted to the information processing apparatus 1 every time the imaging apparatus 3 captures an image. As a result, the battery can be replaced before the battery of the imaging device 3 runs out. That is, in this embodiment, the control unit 14 controls the communication unit 11 when (1) the change in the numerical value in a predetermined period is below the threshold value, or (2) when the remaining battery level is below the threshold value. Configured to send a notification to the outside.
　ここで、予め定められた期間及び閾値は、解析部１６による解析結果に基づいて変更可能に構成されてもよい。例えば、普段からガスをほとんど使用しない家の場合、定められた期間を大きくするとともに閾値を小さくしてもよい。逆に、普段からガスを大量に使用する家の場合、定められた期間を小さくするとともに閾値を大きくしてもよい。さらに、季節毎に予め定められた期間及び閾値を変更してもよい。例えば、ガスの使用量が増えるシーズンには予め定められた期間を小さくするとともに、閾値を大きくしてもよい。 Here, the predetermined period and threshold value may be configured to be changeable based on the analysis result by the analysis unit 16. For example, in the case of a house that does not normally use gas, the predetermined period may be increased and the threshold value may be decreased. Conversely, in the case of a house that normally uses a large amount of gas, the threshold may be increased while reducing the predetermined period. Furthermore, a predetermined period and threshold value may be changed for each season. For example, in a season in which the amount of gas used increases, the predetermined period may be reduced and the threshold value may be increased.
　一方、Ｓ６において異常なしと判定された場合には、外部への通知を実行することなく処理を終える。 On the other hand, if it is determined in S6 that there is no abnormality, the process is terminated without executing external notification.
　ここで、説明の便宜上、異常判定をＳ６としているが、かかる異常判定をＳ４とＳ５の間に実行してもよい。 Here, for convenience of explanation, the abnormality determination is S6, but such abnormality determination may be executed between S4 and S5.
　３．システム１００の効果
　本発明の撮像装置３及びシステム１００によれば、以下の効果が実現される。
・通信機能を備えない既存のガスメーター２をそのまま利用することができ、コスト面で有利である。
・ガスの使用量に加え、バッテリーの残量も情報処理装置１に送信することにより、バッテリーが切れる前にバッテリーを効果することができる。
・時間単位又は日単位で集計／解析結果をサーバ８に送信する場合には、ガス会社はガスの使用量を高精度で予測することができ、ガスの無駄な供給を防ぐことが可能になる。
・ガスメーター２を設置している家の住人の体調不良等を想定し、見守りスタッフを派遣することができる。
・雪国等に設置されるガスメーター２に撮像装置３を取り付けることにより、悪天候の中でもガスの使用量の検診が容易になる。 3. Effects of System 100 According to the imaging device 3 and the system 100 of the present invention, the following effects are realized.
-The existing gas meter 2 having no communication function can be used as it is, which is advantageous in terms of cost.
By transmitting the remaining amount of the battery to the information processing apparatus 1 in addition to the amount of gas used, the battery can be effective before the battery runs out.
When sending the total / analysis result to the server 8 in units of hours or days, the gas company can predict the amount of gas used with high accuracy and prevent unnecessary gas supply. .
・ It is possible to dispatch a monitoring staff, assuming that the resident of the house where the gas meter 2 is installed is in poor health.
-By attaching the imaging device 3 to the gas meter 2 installed in a snowy country or the like, it becomes easy to check the amount of gas used even in bad weather.
　４．他の実施形態
　次に、図７～図１４を用いて、他の実施形態について説明する。 4). Other Embodiments Next, other embodiments will be described with reference to FIGS.
　（４－１）発光部４１を有する形態
　図７及び図８に示すように、本実施形態では、撮像装置３は、基板４ａを備える。そして、基板上に撮像部３１及び通信チップ３２が設けられる。 (4-1) Form Having Light-Emitting Unit 41 As shown in FIGS. 7 and 8, in the present embodiment, the imaging device 3 includes a substrate 4a. The imaging unit 31 and the communication chip 32 are provided on the substrate.
　図７に示すように、基板４ａの端面４２に、発光部４１が設けられる。これにより、発光部４１は、撮像部３１と異なる方向に向けて発光する。換言すると、発光部４１は、撮像対象物に対して直接光を照射しないように構成される。これにより、撮像対象物である表示部２１（図２参照）に直接光を当てるのではなく、発光部４１が間接照明として機能する。ここで、発光部４１は任意の部材で構成でき、例えばＬＥＤチップを採用することができる。 As shown in FIG. 7, the light emitting part 41 is provided on the end face 42 of the substrate 4a. Thereby, the light emitting unit 41 emits light in a direction different from that of the imaging unit 31. In other words, the light emitting unit 41 is configured not to irradiate light directly onto the imaging target. As a result, the light emitting unit 41 functions as indirect illumination, instead of directly illuminating the display unit 21 (see FIG. 2) that is the imaging object. Here, the light emitting unit 41 can be composed of an arbitrary member, and for example, an LED chip can be adopted.
　図８は、かかる基板４ａをカバー３３の内部に配置した一例である。図８の例では、カバー３３の内部に回路基板４ｂが設けられる。回路基板４ｂ上には不図示の電子部品が配置される。また、通信チップ３２を回路基板４ｂ上に設けることもできる。本実施形態では、発光部４１はさらに、回路基板４ｂ上に設けられる。かかる構成により、基板４ａの端面４２に設けられた発光部４１と同様に、回路基板４ｂ上に設けられた発光部４１から照射される光が、撮像対象物に対して直接当たらず、発光部４１が間接照明として機能する。 FIG. 8 shows an example in which the substrate 4 a is arranged inside the cover 33. In the example of FIG. 8, the circuit board 4 b is provided inside the cover 33. An electronic component (not shown) is disposed on the circuit board 4b. Further, the communication chip 32 can be provided on the circuit board 4b. In the present embodiment, the light emitting unit 41 is further provided on the circuit board 4b. With this configuration, similarly to the light emitting unit 41 provided on the end face 42 of the substrate 4a, the light emitted from the light emitting unit 41 provided on the circuit board 4b does not directly hit the imaging target, and the light emitting unit 41 functions as indirect illumination.
　このように、発光部４１からの光を撮像対象物に直接あてないことにより、サーバ８に設けられた機械学習部による機械学習が効率的に実行される。ここで、機械学習部は、撮像部３１により撮像された画像に対する機械学習を実行し、表示部２１に表示されている値の読み取り精度を向上させるものである。このとき、発光部４１から出力される光が表示部２１に直接向けられると、撮像画像の視認性が低下するので、機械学習の精度が下がる。一方、図７又は図８に示される構成では、発光部４１が撮像対象物に対して直接光を照射しないので、機械学習が効率的に実行され得る。 As described above, machine light by the machine learning unit provided in the server 8 is efficiently executed by not directly applying the light from the light emitting unit 41 to the imaging target. Here, the machine learning unit performs machine learning on the image picked up by the image pickup unit 31 and improves the reading accuracy of the value displayed on the display unit 21. At this time, if the light output from the light emitting unit 41 is directed directly to the display unit 21, the visibility of the captured image is lowered, and the accuracy of machine learning is lowered. On the other hand, in the configuration shown in FIG. 7 or FIG. 8, since the light emitting unit 41 does not directly irradiate the imaging target, machine learning can be executed efficiently.
　図９Ａ及び図９Ｂに示すように、発光部４１の発光状態（ＯＮ）／非発光状態（ＯＦＦ）は、スイッチ５により切り替え可能に構成される。本実施形態では、スイッチ５は、磁力により発光部４１の状態を切り替え可能に構成される。 9A and 9B, the light emission state (ON) / non-light emission state (OFF) of the light emitting unit 41 is configured to be switchable by the switch 5. In the present embodiment, the switch 5 is configured to be able to switch the state of the light emitting unit 41 by a magnetic force.
　具体的には、スイッチ５は、一対の真空管５１と、真空管５１を内包するハウジング５２を備える。また、真空管５１の内部には、不図示の鉄心が挿入されている。 Specifically, the switch 5 includes a pair of vacuum tubes 51 and a housing 52 that encloses the vacuum tubes 51. Further, an iron core (not shown) is inserted into the vacuum tube 51.
　図９Ａに示すように、定常状態では一対の真空管５１が離間しており、発光部４１は非発光状態（ＯＦＦ）となる。一方、図９Ｂに示すように、磁石をハウジング５２に近づけることにより、真空管５１の少なくとも一方が磁力により変位することで、一対の真空管５１が接触する。これにより、発光部４１が発光状態（ＯＮ）となる。 As shown in FIG. 9A, in a steady state, the pair of vacuum tubes 51 are separated from each other, and the light emitting unit 41 is in a non-light emitting state (OFF). On the other hand, as shown in FIG. 9B, by bringing the magnet closer to the housing 52, at least one of the vacuum tubes 51 is displaced by magnetic force, so that the pair of vacuum tubes 51 come into contact. Thereby, the light emission part 41 will be in the light emission state (ON).
　（４－２）アタッチメント６を有する形態
　図１０～図１４に示すように、本実施形態では、カバー３３を位置決めするアタッチメント６を備える。また、本実施形態では、アタッチメントの取付対象物は、水道メーター等を支持する円筒状の支柱を想定している。 (4-2) Form with Attachment 6 As shown in FIGS. 10 to 14, in this embodiment, the attachment 6 for positioning the cover 33 is provided. Moreover, in this embodiment, the attachment target object of the attachment assumes the cylindrical support | pillar which supports a water meter etc.
　図１３に示すように、アタッチメント６は、一対のリング部材６１、一対の支柱６２及び一対のフック６３を備える。一対のリング部材６１は、一対の支柱６２により支持される。図１４に示すように、一対のリング部材６１は、一対の支柱６２の長手方向に移動可能に構成される。具体的には、支柱６２の内部に設けられたシャフト６４が、リング部材６１の一部に設けられた穴に通されている。そして、一対のリング部材６１が互いに離間する方向に外力を加えることにより、中心線ＣＬを中心に、一対のリング部材６１が一対の支柱６２の長手方向（図中の矢印方向）に移動する。この状態で取付対象物の周囲をリング部材６１で囲み、リング部材６１を互いに近接させることにより、アタッチメントが取付対象物に固定される。 As shown in FIG. 13, the attachment 6 includes a pair of ring members 61, a pair of support columns 62, and a pair of hooks 63. The pair of ring members 61 are supported by a pair of support columns 62. As shown in FIG. 14, the pair of ring members 61 are configured to be movable in the longitudinal direction of the pair of support columns 62. Specifically, a shaft 64 provided inside the support 62 is passed through a hole provided in a part of the ring member 61. Then, by applying an external force in a direction in which the pair of ring members 61 are separated from each other, the pair of ring members 61 moves in the longitudinal direction of the pair of support columns 62 (in the arrow direction in the drawing) around the center line CL. In this state, the attachment object is surrounded by the ring member 61 and the ring members 61 are brought close to each other, whereby the attachment is fixed to the attachment object.
　また、図１４に示すように、リング部材６１は、当接面６１ａを有する。当接面６１ａは、取付対象物と当接する面である。また、当接面６１ａは、取付対象物と摩擦力を大きくする凹凸形状が形成される。これにより、凹凸形状を有さない形態と比べ、アタッチメント６を取付対象物に対して強固に取り付けることができる。 Further, as shown in FIG. 14, the ring member 61 has a contact surface 61a. The abutting surface 61a is a surface that abuts the attachment object. Further, the contact surface 61a is formed with an uneven shape that increases the friction force with the object to be attached. Thereby, compared with the form which does not have uneven | corrugated shape, the attachment 6 can be firmly attached with respect to an attachment target object.
　図１２に示すように、本実施形態に係るカバー３３は、筒部３４及び引掛部３５を備える。筒部３４は、水道メーター等を支持する円筒状の支柱に挿通するものであり、内部に収容空間３６が形成される。カバー３３をかぶせた状態で、水道メーター等が収容空間３６に収容される。 As shown in FIG. 12, the cover 33 according to this embodiment includes a cylindrical portion 34 and a hooking portion 35. The cylindrical portion 34 is inserted through a cylindrical column that supports a water meter or the like, and an accommodation space 36 is formed therein. A water meter or the like is accommodated in the accommodation space 36 with the cover 33 covered.
　図１０及び図１１に示すように、フック６３は、カバー３３を取り付け可能に構成される。具体的には、フック６３を引掛部３５に引っ掛けることにより、アタッチメント６とカバー３３が係合する。これにより、アタッチメント６が水道メーター等を支持する円筒状の支柱に固定された状態で、アタッチメント６によりカバー３３が位置決めされる。 As shown in FIGS. 10 and 11, the hook 63 is configured so that the cover 33 can be attached thereto. Specifically, the attachment 6 and the cover 33 are engaged with each other by hooking the hook 63 on the hook portion 35. Accordingly, the cover 33 is positioned by the attachment 6 in a state where the attachment 6 is fixed to the cylindrical support column that supports the water meter or the like.
　５．電気メーター及び水道メーターへの適用
　撮像装置３の撮像対象として、ガスメーター２を例に説明したが、本発明の撮像対象はこれに限られない。例えば、電気メーターを撮像対象とした場合、ユーザーの実際の使用量（需要）に対して電力会社からの供給量が多い場合、余分に生成した電気を蓄積することができず、余分な電気が無駄になる。また、この状況は、地球規模における環境面でも好ましくない。一方、ユーザーの実際の使用量（需要）に対して電力会社からの供給量が少ない場合、ユーザーに対して電気を安定して供給できなくなる。そこで、撮像装置３により電力メーターに表示される電力使用量を撮像装置３で撮像し、情報処理装置１に送信して集計／解析することにより、電力使用量を高精度で予測することができるので、上記問題の解消に寄与することができる。 5. Application to Electric Meters and Water Meters Although the gas meter 2 has been described as an example of the imaging target of the imaging device 3, the imaging target of the present invention is not limited to this. For example, when an electric meter is used as an imaging target, if the supply amount from the power company is large relative to the actual usage (demand) of the user, the extra generated electricity cannot be accumulated and the extra electricity It becomes useless. In addition, this situation is not preferable in terms of the environment on a global scale. On the other hand, when the supply amount from the electric power company is small with respect to the actual usage amount (demand) of the user, it becomes impossible to stably supply electricity to the user. Therefore, the power usage amount displayed on the power meter by the imaging device 3 is imaged by the imaging device 3, and transmitted to the information processing device 1 for aggregation / analysis, so that the power usage amount can be predicted with high accuracy. Therefore, it can contribute to the solution of the above problem.
　また、水道メーターを撮像対象とした場合でも、電気メーターと同様の課題を解決することができる。すなわち、水の使用量を高精度に予測することにより、過不足なく水をユーザーに安定して供給することができ、ダム等に貯水された水を無駄なく利用することができる。これにより、干ばつ時における水不足の解消に寄与することができる。 Also, even when a water meter is used as an imaging target, the same problems as those of an electric meter can be solved. That is, by accurately predicting the amount of water used, water can be stably supplied to the user without excess or deficiency, and the water stored in the dam or the like can be used without waste. Thereby, it can contribute to elimination of the water shortage at the time of drought.
　６．その他
　本発明に係るシステム１００は、以下の態様でも実施可能である。
・平面視において、ガスメーター２の表示部２１と撮像装置３が重ならない位置に撮像装置３を設ける。この場合、撮像装置３により撮像される数値が傾いた状態となるので、情報処理装置１の画像処理部１３により傾き補正を実行することが好ましい。また、記憶部１２に傾いた状態の各数値の特徴点を記憶しておき、傾いた状態の数値を直接文字認識してもよい。
・カバー３３の少なくとも撮像対象と対向する箇所が透明素材により形成されてもよく、カバー３３を全てアクリル等の透明素材で形成してもよい。
・カバー３３に代えて、アームにより撮像装置３を表示部２１と対向させてもよい。 6). Others The system 100 according to the present invention can be implemented in the following modes.
In the plan view, the imaging device 3 is provided at a position where the display unit 21 of the gas meter 2 and the imaging device 3 do not overlap. In this case, since the numerical value captured by the imaging device 3 is tilted, it is preferable to perform tilt correction by the image processing unit 13 of the information processing device 1. Further, the characteristic points of each numerical value in the tilted state may be stored in the storage unit 12, and the numerical values in the tilted state may be directly recognized.
-At least a portion of the cover 33 facing the imaging target may be formed of a transparent material, or the cover 33 may be entirely formed of a transparent material such as acrylic.
Instead of the cover 33, the imaging device 3 may be opposed to the display unit 21 by an arm.
　また、本発明は、以下の態様でも実現可能である。
　コンピュータを、通信部及び画像処理部として機能させ、
　前記通信部は、バッテリーを備えた撮像装置と通信可能に構成され、且つ、前記撮像装置から送信された画像及び前記バッテリーの残量を受信可能に構成され、
　前記画像処理部は、前記画像に対して文字認識処理を実行し、前記画像から数値を抽出可能に構成される、
　プログラム。 The present invention can also be realized in the following modes.
The computer functions as a communication unit and an image processing unit,
The communication unit is configured to be able to communicate with an imaging device including a battery, and configured to be able to receive an image transmitted from the imaging device and the remaining amount of the battery,
The image processing unit is configured to perform character recognition processing on the image and extract a numerical value from the image.
program.
　また、上述のプログラムを格納する、コンピュータ読み取り可能な非一時的な記録媒体として提供してもよい。 Further, it may be provided as a computer-readable non-transitory recording medium that stores the above-described program.
１　　　：情報処理装置
１１　　：通信部
１２　　：記憶部
１３　　：画像処理部
１４　　：制御部
１５　　：集計部
１６　　：解析部
２　　　：ガスメーター
２１　　：表示部
２２　　：突起
３　　　：撮像装置
３１　　：撮像部
３２　　：通信チップ
３３　　：カバー
３４　　：筒部
３５　　：引掛部
３６　　：収容空間
４　　　：ユーザー端末
４ａ　　：基板
４ｂ　　：回路基板
４１　　：発光部
４２　　：端面
５　　　：スイッチ
５１　　：真空管
５２　　：ハウジング
６　　　：アタッチメント
６１　　：リング部材
６１ａ　：当接面
６２　　：支柱
６３　　：フック
６４　　：シャフト
７　　　：情報端末
８　　　：サーバ
１００　：システム
ＣＬ　　：中心線 1: Information processing device 11: Communication unit 12: Storage unit 13: Image processing unit 14: Control unit 15: Counting unit 16: Analysis unit 2: Gas meter 21: Display unit 22: Projection 3: Imaging device 31: Imaging unit 32: Communication chip 33: Cover 34: Tube portion 35: Hook portion 36: Housing space 4: User terminal 4a: Substrate 4b: Circuit board 41: Light emitting portion 42: End face 5: Switch 51: Vacuum tube 52: Housing 6: Attachment 61: Ring Member 61a: Contact surface 62: Post 63: Hook 64: Shaft 7: Information terminal 8: Server 100: System CL: Center line

Claims (16)

  1. 　バッテリーを備えた撮像装置であって、
    　撮像部及び通信チップを備え、
    　前記撮像部は、数値を画像として撮像可能に構成され、
    　前記通信チップは、前記撮像部により撮像された画像と、前記バッテリーの残量を外部に送信可能に構成される、
    　撮像装置。     An imaging device provided with a battery,
    An imaging unit and a communication chip;
    The imaging unit is configured to be capable of imaging numerical values as images,
    The communication chip is configured to be able to transmit an image captured by the imaging unit and the remaining amount of the battery to the outside.
    Imaging device.
  2. 　前記撮像装置はカバーを備え、
    　前記カバーは前記撮像部の撮像対象に取り付け可能に構成され、且つ、少なくとも前記撮像対象と対向する箇所が透明素材により形成され、
    　前記撮像部は前記カバーに設けられ、且つ、前記撮像対象を前記カバー越しに視認可能に設けられる、
    　請求項１に記載の撮像装置。     The imaging device includes a cover,
    The cover is configured to be attachable to an imaging target of the imaging unit, and at least a portion facing the imaging target is formed of a transparent material,
    The imaging unit is provided in the cover, and the imaging target is provided so as to be visible through the cover.
    The imaging device according to claim 1.
  3. 　（前記撮像対象の周囲を取り囲む矩形の面積）／（前記撮像装置の平面視における面積）の値が、１０以上である、
    　請求項１又は請求項２に記載の撮像装置。     The value of (rectangular area surrounding the periphery of the imaging target) / (area in plan view of the imaging device) is 10 or more.
    The imaging device according to claim 1 or 2.
  4. 　前記通信チップは、ＮＢ－ＩｏＴ、ＳＩＧＦＯＸ、ＬｏＲａＷＡＮ、ｅＭＴＣ、３Ｇ／４Ｇ／５Ｇ通信方式のいずれかに対応する、
    　請求項１～請求項３の何れか１つに記載の撮像装置。     The communication chip corresponds to any one of NB-IoT, SIGFOX, LoRaWAN, eMTC, 3G / 4G / 5G communication systems.
    The imaging apparatus according to any one of claims 1 to 3.
  5. 　前記通信チップは、周波数帯が７００ＭＨｚ～４ＧＨｚに対応する、
    　請求項１～請求項３の何れか１つに記載の撮像装置。     The communication chip corresponds to a frequency band of 700 MHz to 4 GHz.
    The imaging apparatus according to any one of claims 1 to 3.
  6. 　請求項１～請求項５の何れか１つに記載の撮像装置と、情報処理装置を備え、
    　前記情報処理装置は、通信部、画像処理部を備え、
    　前記通信部は、前記撮像装置から送信された前記画像及び前記バッテリーの残量を受信可能に構成され、
    　前記画像処理部は、前記画像に対して文字認識処理を実行し、前記画像から数値を抽出可能に構成される、
    　システム。     An imaging apparatus according to any one of claims 1 to 5 and an information processing apparatus,
    The information processing apparatus includes a communication unit and an image processing unit,
    The communication unit is configured to be capable of receiving the image transmitted from the imaging device and the remaining amount of the battery,
    The image processing unit is configured to perform character recognition processing on the image and extract a numerical value from the image.
    system.
  7. 　集計部を備え、
    　前記集計部は、前記画像処理部により抽出された数値に基づいて、予め定められた期間における数値を集計する、
    　請求項６に記載のシステム。     With a counting section,
    The counting unit is configured to total the numerical values in a predetermined period based on the numerical values extracted by the image processing unit.
    The system according to claim 6.
  8. 　解析部を備え、
    　前記解析部は、前記画像処理部により抽出された数値に基づいて、予め定められた期間における数値の変遷を解析する、
    　請求項６又は請求項７に記載のシステム。     With an analysis unit,
    The analysis unit analyzes the transition of the numerical value in a predetermined period based on the numerical value extracted by the image processing unit.
    The system according to claim 6 or 7.
  9. 　制御部を備え、
    　前記制御部は、（１）予め定められた期間における数値の変化が閾値を下回る場合、又は（２）前記バッテリーの残量が閾値を下回る場合、前記通信部を制御して外部に通知を送信する、
    　請求項６～請求項８の何れか１つに記載のシステム。     With a control unit,
    The control unit controls the communication unit to transmit a notification to the outside when (1) a change in a numerical value in a predetermined period falls below a threshold value, or (2) when the remaining battery level falls below a threshold value To
    The system according to any one of claims 6 to 8.
  10. 　前記予め定められた期間及び前記閾値は、前記解析部による解析結果に基づいて変更可能に構成される、
    　請求項９に記載のシステム。     The predetermined period and the threshold are configured to be changeable based on an analysis result by the analysis unit,
    The system according to claim 9.
  11. 　請求項１～請求項５の何れか１つに記載の撮像装置と、発光部を備え、
    　前記発光部は、前記撮像部と異なる方向に向けて発光するように設けられる、
    　システム。     An imaging apparatus according to any one of claims 1 to 5, and a light emitting unit,
    The light emitting unit is provided to emit light in a direction different from the imaging unit.
    system.
  12. 　前記撮像部は、基板上に設けられ、
    　前記発光部は、前記基板の端面に設けられる、
    　請求項１１に記載のシステム。     The imaging unit is provided on a substrate,
    The light emitting unit is provided on an end surface of the substrate.
    The system of claim 11.
  13. 　カバーを備え、
    　前記カバーの内部に回路基板が設けられ、
    　前記発光部は、前記回路基板上に設けられる、
    　請求項１１又は請求項１２に記載のシステム。     With a cover,
    A circuit board is provided inside the cover,
    The light emitting unit is provided on the circuit board.
    The system according to claim 11 or claim 12.
  14. 　スイッチを備え、
    　前記スイッチにより、前記発光部の発光状態又は非発光状態を切替可能に構成され、
    　前記スイッチは、磁力により前記状態を切替可能に構成される、
    　請求項１１～請求項１３の何れか１つに記載のシステム。     With a switch,
    The switch is configured to be able to switch the light emitting state or the non-light emitting state of the light emitting unit,
    The switch is configured to be able to switch the state by magnetic force.
    The system according to any one of claims 11 to 13.
  15. 　カバー及びアタッチメントを備え、
    　前記アタッチメントは、一対のリング部材、一対の支柱及び一対のフックを備え、
    　前記一対のリング部材は、前記一対の支柱により支持され、且つ、前記一対の支柱の長手方向に移動可能に構成され、
    　前記フックは、前記カバーを取り付け可能に構成される、
    　請求項１１～請求項１４の何れか１つに記載のシステム。     With cover and attachment,
    The attachment includes a pair of ring members, a pair of struts, and a pair of hooks,
    The pair of ring members are supported by the pair of struts and configured to be movable in the longitudinal direction of the pair of struts.
    The hook is configured to be attachable to the cover.
    The system according to any one of claims 11 to 14.
  16. 　前記一対のリング部材は、当接面を備え、
    　前記当接面は、取付対象物と当接する面であり、且つ、前記取付対象物と摩擦力を大きくする凹凸形状が形成される、
    　請求項１５に記載のシステム。     The pair of ring members includes a contact surface,
    The abutment surface is a surface that abuts the attachment object, and an uneven shape that increases frictional force with the attachment object is formed.
    The system according to claim 15.
PCT/JP2019/012711 2018-04-25 2019-03-26 Image capture device and system WO2019208066A1 (en)

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