CN115244592A - Water meter reading device - Google Patents
Water meter reading device Download PDFInfo
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- CN115244592A CN115244592A CN202080098060.5A CN202080098060A CN115244592A CN 115244592 A CN115244592 A CN 115244592A CN 202080098060 A CN202080098060 A CN 202080098060A CN 115244592 A CN115244592 A CN 115244592A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 47
- 238000010586 diagram Methods 0.000 description 22
- 230000006870 function Effects 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- 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
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Abstract
The water meter reading device is used for reading the water meter arranged in the ceiling. The water meter reading device is provided with: an unmanned aerial vehicle having a camera mounted thereon for capturing an image of a lower object from above; and a control device that controls the unmanned aerial vehicle and the camera. The control device has: a dial reading unit that reads the vertical direction of a dial of a water meter from an unmanned aerial vehicle flying above the water meter; and an image capturing unit that captures the dial after rotating the unmanned aerial vehicle in the yaw direction so that the vertical orientation of the captured image captured by the camera matches the vertical orientation of the dial.
Description
Technical Field
The present invention relates to a water meter reading device, and more particularly to a water meter reading device for reading a water meter installed in a ceiling using an unmanned small flight vehicle.
Background
Patent document 1 discloses a technique related to a spot inspection method using an unmanned small flight vehicle. In this technique, an unmanned small flying object equipped with a camera is used to photograph the state of an internal space such as a chimney or a tunnel, and the state of the wall surface is checked.
Documents of the prior art
Patent literature
Patent document 1: japanese patent laid-open publication No. 2019-36269
Disclosure of Invention
Problems to be solved by the invention
Water meters are sometimes installed in ceilings of buildings such as buildings. In general, a method is employed in which an operator reaches from a point inspection port provided in a ceiling to photograph a dial of a water meter with a camera. In addition, when the water meter is installed in a place remote from the point inspection port, for example, a method of mounting a camera on the tip of the rod to photograph the dial of the water meter may be used. Such a meter reading operation requires an operator to perform a groping operation while climbing a ladder, for example, and therefore has a problem of poor operation efficiency.
Therefore, as a new method for reading a water meter on a ceiling, for example, a method using an unmanned small flight vehicle described in patent document 1 is considered. The face of the water meter in the ceiling is generally facing upwards. Therefore, by flying the unmanned small-sized flying object having the camera above the water meter, the dial can be photographed even in the water meter installed in a place where the operator is difficult to photograph. However, when the dial is photographed only from above the water meter, it is conceivable to obtain a photographed image in which the orientation of the dial is inclined. In this case, the numerical value cannot be easily read from the dial of the captured image, and the efficiency of the meter reading operation may be reduced.
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a water meter reading device that can improve the ease of reading a dial in a captured image in a water meter reading device that uses an unmanned aerial vehicle to capture an image of the dial of the water meter installed in a ceiling.
Means for solving the problems
The water meter reading device of the invention is used for reading the water meter arranged in the ceiling, wherein the water meter reading device is provided with: an unmanned aerial vehicle having a camera mounted thereon for capturing an image of a lower object from above; and a control device that controls the unmanned aerial vehicle and the camera. The control device has: a dial reading unit that reads the vertical orientation of a dial of a water meter from an unmanned flying object flying above the water meter; and an image capturing unit that captures the dial after rotating the unmanned aerial vehicle in the yaw direction so that the vertical orientation of the captured image captured by the camera matches the vertical orientation of the dial.
Effects of the invention
According to the water meter reading device of the present invention, the vertical orientation of the dial of the water meter is read from the flying unmanned flying object, and the dial is photographed after the unmanned flying object is rotated in the yaw direction so that the vertical orientation of the image captured by the camera matches the vertical orientation of the dial. This makes it possible to match the vertical direction of the dial in the captured image with the direction of the captured image, and therefore, the ease of reading the dial in the captured image can be improved.
Drawings
Fig. 1 is a diagram showing an outline of meter reading processing using a water meter reading device.
Fig. 2 is a diagram showing an example of a water meter installed in a ceiling.
Fig. 3 is a diagram showing a schematic configuration of the unmanned aerial vehicle.
Fig. 4 is a functional block diagram showing functions of the control device of the unmanned aerial vehicle.
Fig. 5 is a flowchart showing a control routine of meter reading processing executed in the water meter reading device according to the embodiment.
Fig. 6 is a diagram showing an image of a dial plate captured in the meter reading process of the comparative example.
Fig. 7 is a diagram illustrating an example of an image of a dial captured in the meter reading process according to the embodiment.
Fig. 8 is a diagram showing the structure of an unmanned aerial vehicle having an arm portion.
Fig. 9 is a diagram showing the structure of an unmanned aerial vehicle having a lamp.
Fig. 10 is a diagram showing a structure of an unmanned aerial vehicle having a brush.
Fig. 11 is a diagram showing an example of hardware resources of the control device.
Fig. 12 is a diagram showing another example of hardware resources of the control device.
Detailed Description
The following describes embodiments with reference to the drawings. In addition, the same reference numerals are given to the common elements in the drawings, and redundant description is omitted.
Description of the preferred embodiment
1. Structure of the embodiment
1-1 summary of Water meters as objects of Meter reading
Fig. 1 is a diagram showing an outline of meter reading processing using a water meter reading device. The water meter reading device of the present embodiment is a device for reading water meters 110 installed in the ceiling 104. The ceiling lining 104 is a space isolated from the floor space 100 of the building through the ceiling panel 102. The water meter 110 is provided in the middle of the water pipe 108 passing through the ceiling 104. A spot check port 106 is provided in the ceiling panel 102. The door opening of the spot check opening 106 allows the passage between the floor space 100 and the space in the ceiling 104.
1-2 structure of water meter reading device
The water meter reading device is provided with an indicating terminal 8 and an unmanned flying body 10. The unmanned aerial vehicle 10 can fly while grasping the posture and position of the vehicle body in accordance with the instruction from the instruction terminal 8. The unmanned aerial vehicle 10 is palm-sized and can hover and fly in a static state in the air. The unmanned flying object 10 is also commonly referred to as a drone. Fig. 3 is a diagram showing a schematic configuration of the unmanned aerial vehicle 10. The unmanned aerial vehicle 10 includes a main body 11, a plurality of legs 12 for taking off and landing, a plurality of rotary wings 13 for flying, a camera 14 for imaging, and a control device 20. The camera 14 is mounted on the lower portion of the main body 11, and takes a photograph from above and below.
The control device 20 controls the flight of the unmanned flying object 10 and the imaging by the camera 14 in accordance with the instruction input from the instruction terminal 8. The unmanned aerial vehicle 10 flies by moving in the vertical direction, moving in the horizontal direction, moving in the yaw direction, and a combination thereof. For example, the control device 20 controls the position and attitude of the unmanned flying object 10 to perform autonomous flight in accordance with the flight route instructed from the instruction terminal 8. Alternatively, the control device 20 may search for an object instructed from the instruction terminal 8 to calculate a target flight path, and autonomously fly above the object according to the calculated target flight path. The structure and flight control of the unmanned flying object 10 are not limited. That is, the structure of the unmanned flying object and the flight control thereof have been proposed in various documents. Here, a known configuration of the unmanned aerial vehicle and a known flight control can be adopted.
2. Function of water meter reading device
Fig. 4 is a functional block diagram showing functions of the control device of the unmanned aerial vehicle. As shown in fig. 4, the control device 20 of the unmanned aerial vehicle 10 includes an autonomous flight unit 22, a dial reading unit 24, an image capturing unit 26, and an image storage unit 28 as functional blocks for performing a meter reading process of the water meter 110.
The autonomous flight unit 22 is a control block for executing processing related to the flight of the unmanned flying object 10. The flight-related processing includes an autonomous flight processing for performing autonomous flight in accordance with a flight route. As shown in fig. 1, the flight route includes a first route R1 that ascends from the floor space 100 to the ceiling 104 through the spot check port 106, and a second route R2 that moves horizontally in the ceiling 104 and flies to the water meter 110 as a destination. In the autonomous flight process, the unmanned flying object 10 autonomously flies above the water meter 110 according to the first route R1 and the second route R2.
The dial reading unit 24 reads identification information for identifying the vertical orientation of the dial 112. This process is referred to as a "dial reading process". The "dial up-down direction" in the dial reading process is the numeric up-down direction of the first meter display unit 113 on the dial 112. In the dial reading process, for example, the arrow mark 116 is recognized from the image data of the dial 112 captured by the unmanned flying object 10 flying over the water meter 110, and the direction indicated by the arrow mark 116 is read as the downward direction of the dial 112 in the up-down direction. In the dial reading process, for example, the direction of the numerals of the first meter display unit 113 may be directly read as the vertical direction of the dial 112.
The autonomous flight unit 22 rotates the unmanned aerial vehicle 10 in the yaw direction so that the vertical direction of the image captured by the camera 14 matches the vertical direction of the dial read by the dial reading process. This process is referred to as "orientation adjustment process".
The image pickup unit 26 operates the camera 14 to perform image pickup processing for picking up an image of the dial 112. The image storage unit 28 stores the image data captured by the image capturing unit 26 in association with the association information associated with the water meter 110. This process is hereinafter referred to as "image saving process". Examples of the related information include identification information of a building in which water meter 110 is installed, information related to the type of water meter 110, information related to the arrangement of water meter 110 in ceiling 104, and information related to a flight route to water meter 110.
3. Concrete processing of meter reading processing of water meter reading device
Fig. 5 is a flowchart showing a control routine of meter reading processing executed in the water meter reading device according to the present embodiment. When a meter reading process is performed, the operator opens the spot inspection port 106 of the ceiling panel 102 as a preparation in advance. The operator uses the instruction terminal 8 to transmit a flight route to the overhead of the water meter 110, which is prepared in advance, to the unmanned aerial vehicle 10, and instructs the start of the meter reading process. The control device 20 of the unmanned aerial vehicle 10 receives an instruction to start the flight route and meter reading process from the instruction terminal 8, and executes the flowchart of fig. 5.
In step S100 of the control routine shown in fig. 5, the autonomous flight process is executed. The control device 20 receives the flight path to the water meter 110 from the instruction terminal 8. Here, the control device 20 performs autonomous flight of the unmanned flying object 10 according to the received flight route.
In the next step S102, it is determined whether or not the unmanned aerial vehicle 10 has reached the upper space of the water meter 110. The control device 20 always grasps the position of the unmanned flying object 10 by a known technique using signals of various sensors. Here, the control device 20 determines whether or not the grasped position of the unmanned flying object 10 has reached the position of the water meter 110. As a result, when the position of the unmanned flying object 10 has not reached the space above the water meter 110, the process returns to step S100, and the autonomous flying process is continued.
On the other hand, if it is determined in the process of step S102 that the unmanned flying object 10 has reached the upper space of the water meter 110, the process proceeds to the next step S104. In step S104, dial reading processing is executed. Here, the control device 20 reads the vertical direction of the dial 112 from the direction of the arrow mark 116 of the dial 112 captured by the camera 14.
In the next step S106, the orientation adjustment processing is executed. Here, the control device 20 rotates the unmanned aerial vehicle 10 in the yaw direction so that the vertical orientation of the captured image of the camera 14 matches the vertical orientation of the dial 112 read in the dial reading process. Thereby, the orientation of the unmanned aerial vehicle 10 is adjusted so that the direction indicated by the arrow mark 116 on the dial 112 is the downward direction of the captured image.
In the next step S108, image pickup processing is executed. Here, the control device 20 captures an image of the dial 112 of the water meter 110 by the camera 14. In the next step S110, image saving processing is performed. Here, the control device 20 associates the related information related to the water meter 110 with the captured image captured by the imaging process and stores the associated information in the memory.
According to the meter reading process configured as described above, the following effects can be obtained. Fig. 6 is a diagram showing an image of a dial plate captured in the meter reading process of the comparative example. The comparative example shown in fig. 6 is an example of a captured image obtained when the direction adjustment process is not performed in the meter reading process according to the present embodiment. In the photographed image 120 shown in fig. 6, the vertical direction of the dial 112 of the water meter 110 as the subject of photographing does not coincide with the vertical direction of the photographed image 120. When such a captured image is displayed on a display device to perform a meter reading operation, it is difficult for an operator to confirm the numerical value of the dial 112.
In contrast, fig. 7 is a diagram illustrating an example of an image of a dial captured in the meter reading process according to the present embodiment. In the captured image 122 shown in fig. 7, adjustment is performed so that the vertical direction of the captured image of the camera 14 and the vertical direction of the dial 112 of the water meter 110 match each other by the orientation adjustment processing. Therefore, when the captured image is displayed on the display device to perform a meter reading operation, the operator can easily check the numerical value on the dial 112.
In this way, according to the meter reading process of the water meter reading device of the present embodiment, the captured image in which the operator can easily read the numerical value of the dial 112 can be obtained. Therefore, the work efficiency of meter reading of the water meter can be improved.
In addition, in the meter reading process of the water meter reading device according to the present embodiment, the vertical direction of the dial 112 is read based on the arrow mark included in the dial 112. Since the arrow mark facilitates image recognition, the vertical direction of the dial 112 can be reliably read.
In addition, according to the meter reading process of the water meter reading device of the present embodiment, the captured image is stored in association with the related information related to the water meter 110. This allows the type, arrangement, and the like of the water meter 110 to be specified together with the captured image, and therefore, the efficiency of the meter reading work by the operator can be improved.
In addition, according to the meter reading process of the water meter reading device of the present embodiment, the unmanned aerial vehicle 10 can autonomously fly above the water meter 110. Thus, even in a dark space in the ceiling 104 where it is difficult to fly by manual operation of an operator, the unmanned flying object 10 can be caused to fly above the water meter 110.
4. Modification of the present embodiment
The following modifications can be applied to the water meter reading device of the present embodiment.
4-1, image pickup processing
The imaging process may be configured to image the dial 112 from a plurality of different imaging locations over the water meter 110. In this case, for example, when the process of step S110 is completed, the control device 20 controls the autonomous flight unit 22 to move the unmanned aerial vehicle 10 in the horizontal direction. Here, for example, on an arc along the outer periphery of bezel 111 of water meter 110. Then, the control device 20 executes the processing of step S104 to step S110 again. By repeating such processing a plurality of times, captured images can be obtained from a plurality of imaging locations along the outer periphery of the bezel 111. Thus, when the operator reads the numerical value on the dial 112, for example, when the numerical value of one captured image is difficult to read due to reflection of light or the like, the numerical value on the dial 112 can be read by referring to another image.
4-2 image preservation processing
The image saving process may further include a transmission process of transmitting the data of the captured image to the instruction terminal 8 of the operator. The transmission method of the image data is not limited. This allows the operator to confirm the captured image on site by the display device of the instruction terminal 8.
4-3. Unmanned flying body with arm 10
The water meter 110 is provided with a cover that covers the dial 112. Therefore, the unmanned aerial vehicle 10 may also have an arm portion for opening a lid that covers the dial 112. Fig. 8 is a diagram showing the structure of an unmanned aerial vehicle having an arm portion. The unmanned aerial vehicle 10 of the modification shown in fig. 8 is provided with an arm portion 16 extending downward from the main body portion 11. The arm 16 may be fixed or movable. When the arm 16 is fixed, the control device 20 controls the flight of the unmanned aerial vehicle 10 so that the tip of the arm 16 is hooked on the lid of the dial 112 and opened before the processing of step S104. When the arm 16 is of a movable type, the controller 20 controls the movement of the arm 16 so that the end of the arm 16 is hooked on the lid of the dial 112 and opened before the processing of step S104. Thus, even in the water meter 110 having the cover on the dial 112, the meter reading process can be performed.
4-4. Unmanned flying object with lamp 10
The ceiling 104 is a dark place and therefore, it is difficult to photograph the dial 112 of the water meter 110. Therefore, the unmanned flying object 10 may have a lamp for illuminating the lower side. Fig. 9 is a diagram showing the structure of an unmanned aerial vehicle having a lamp. The unmanned aerial vehicle 10 according to the modification shown in fig. 9 is provided with a lamp 15 for illuminating the lower side from the main body portion 11. The lamp 15 may be a sensor lamp that is constantly lit or automatically lit in a dark place. Further, the control device 20 may control the lamp 15 to be turned on at the time of the image pickup processing. This prevents the dial 112 from being invisible due to insufficient light.
4-5. Unmanned flying object with brush 10
In the water meter 110 not provided with a cover for covering the dial 112, dust may accumulate to make it difficult to visually recognize the dial 112. Therefore, the unmanned aerial vehicle 10 may also have a brush for cleaning the surface of the dial 112. Fig. 10 is a diagram showing a structure of an unmanned aerial vehicle having a brush. The unmanned aerial vehicle 10 according to the modification shown in fig. 10 is provided with a brush 17 projecting downward from the main body 11. The brush 17 may be stationary or may be rotationally driven. Before the process of step S104, the control device 20 lowers the unmanned aerial vehicle 10 and sweeps dust on the dial 112 off with the brush 17. When the brush 17 is of a rotary drive type, the controller 20 rotates the brush 17 to sweep off the dust. This prevents the dial 112 from being invisible due to dust accumulation.
4-6. Control device 20
In the present embodiment, the autonomous flight unit 22, the dial reading unit 24, the image capturing unit 26, and the image storage unit 28 show functions of the control device 20. Fig. 11 is a diagram showing an example of hardware resources of the control device. The control device 20 has, for example, a processing circuit 200 including a processor 201 and a memory 202 as hardware resources. The functions of the image storage unit 28 are realized by the memory 202. The memory 202 is, for example, a semiconductor memory. By executing the program stored in the memory 202 by the processor 201, the control device 20 realizes the functions of each unit shown as the autonomous flight unit 22, the dial reading unit 24, the image capturing unit 26, and the image storage unit 28.
Fig. 12 is a diagram showing another example of hardware resources of the control device. In the example shown in fig. 12, the control device 20 has, for example, a processing circuit 200 including a processor 201, a memory 202, and dedicated hardware 203. Fig. 12 shows an example in which a part of the functions of the control device 20 is implemented by dedicated hardware 203. All of the functions of the control device 20 may be implemented by dedicated hardware 203. As the dedicated hardware 203, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof can be employed.
Description of the reference symbols
8: an indication terminal; 10: unmanned flying bodies; 11: a main body portion; 12: a foot portion; 13: a rotary wing; 14: a camera; 15: a lamp; 16: an arm portion; 17: a brush; 20: a control device; 22: an autonomous flight section; 24: a dial reading section; 26: an image pickup unit; 28: an image storage unit; 100: a floor space; 102: a ceiling panel; 104: in the ceiling; 106: checking the opening; 108: a water channel pipe; 110: a water meter; 111: a bezel; 112: a dial plate; 113: a first meter display section; 114: a second meter display section; 115: a third meter display section; 116: an arrow mark; 117: a guide mark; 120: shooting an image; 122: shooting an image; 200: a processing circuit; 201: a processor; 202: a memory; 203: dedicated hardware.
Claims (9)
1. A water meter reading device for reading a water meter installed in a ceiling, comprising:
an unmanned aerial vehicle having a camera mounted thereon for capturing an image of a lower object from above; and
a control device that controls the unmanned aerial vehicle and the camera,
the control device has:
a dial reading unit that reads a vertical direction of a dial of the water meter from the unmanned flying object flying above the water meter; and
and an image capturing unit that captures the dial after rotating the unmanned aerial vehicle in a yaw direction so that a vertical orientation of a captured image captured by the camera matches the vertical orientation of the dial.
2. The water meter reading device of claim 1,
the dial reading unit is configured to read the vertical direction of the dial based on an arrow mark included in the dial,
the image capturing unit rotates the unmanned aerial vehicle in a yaw direction such that a direction indicated by the arrow mark is a downward direction of the captured image.
3. A water meter reading device according to claim 1 or 2,
the image shooting part respectively shoots the dial plate from a plurality of different shooting places above the water meter.
4. A water meter reading device according to any one of claims 1 to 3, wherein,
the control device further includes an image storage unit that stores the captured image in association with the related information related to the water meter.
5. The water meter reading device of claim 4, wherein,
the related information includes any one of information related to a building in which the water meter is installed, information related to a type of the water meter, and information related to arrangement of the water meter in the ceiling.
6. A water meter reading device according to any one of claims 1 to 5, wherein,
the control device is also provided with an autonomous flying part which autonomously flies above the water meter.
7. A water meter reading device according to any one of claims 1 to 6, wherein,
the unmanned flying object further has an arm portion for opening a lid of the water meter.
8. A water meter reading device according to any one of claims 1 to 7,
the unmanned flying object also has a lamp that illuminates the underside.
9. A water meter reading device according to any one of claims 1 to 8, wherein,
the unmanned flying body is also provided with a brush which is used for cleaning the surface of the dial plate of the water meter.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/010099 WO2021181481A1 (en) | 2020-03-09 | 2020-03-09 | Water meter reading device |
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| Publication Number | Publication Date |
|---|---|
| CN115244592A true CN115244592A (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080098060.5A Pending CN115244592A (en) | 2020-03-09 | 2020-03-09 | Water meter reading device |
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| Country | Link |
|---|---|
| JP (1) | JP7111276B2 (en) |
| CN (1) | CN115244592A (en) |
| WO (1) | WO2021181481A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373365A (en) * | 2016-11-02 | 2017-02-01 | 山东金米尔仪器科技有限公司 | Camera shooting type remote water meter reading system achieving fast recognition and reading recognition method thereof |
| CN107463180A (en) * | 2016-06-02 | 2017-12-12 | 三星电子株式会社 | Electronic equipment and its operating method |
| JP2019036269A (en) * | 2017-08-10 | 2019-03-07 | ミスギ工業株式会社 | Flight control method of pilotless small flying object, and inspection method of condition of internal space and condition of wall surface thereof |
| CN110021158A (en) * | 2019-04-18 | 2019-07-16 | 南京工程学院 | A kind of camera shooting meter system and method based on deep learning |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6317532B2 (en) * | 2016-01-12 | 2018-04-25 | 楽天株式会社 | Information providing system, information providing method, and program |
| JP2017131019A (en) * | 2016-01-19 | 2017-07-27 | 中国電力株式会社 | Power transmission facility inspection system |
| JP6925603B2 (en) * | 2016-10-12 | 2021-08-25 | 本郷飛行機株式会社 | Attitude control system for moving objects |
| JP2019128227A (en) * | 2018-01-24 | 2019-08-01 | 株式会社管路計画 | City water meter inspection device |
-
2020
- 2020-03-09 WO PCT/JP2020/010099 patent/WO2021181481A1/en active Application Filing
- 2020-03-09 JP JP2022507016A patent/JP7111276B2/en active Active
- 2020-03-09 CN CN202080098060.5A patent/CN115244592A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463180A (en) * | 2016-06-02 | 2017-12-12 | 三星电子株式会社 | Electronic equipment and its operating method |
| CN106373365A (en) * | 2016-11-02 | 2017-02-01 | 山东金米尔仪器科技有限公司 | Camera shooting type remote water meter reading system achieving fast recognition and reading recognition method thereof |
| JP2019036269A (en) * | 2017-08-10 | 2019-03-07 | ミスギ工業株式会社 | Flight control method of pilotless small flying object, and inspection method of condition of internal space and condition of wall surface thereof |
| CN110021158A (en) * | 2019-04-18 | 2019-07-16 | 南京工程学院 | A kind of camera shooting meter system and method based on deep learning |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7111276B2 (en) | 2022-08-02 |
| JPWO2021181481A1 (en) | 2021-09-16 |
| WO2021181481A1 (en) | 2021-09-16 |
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