WO2020100387A1 - Appareil de support d'imagerie, procédé de support d'imagerie et programme de support d'imagerie - Google Patents

Appareil de support d'imagerie, procédé de support d'imagerie et programme de support d'imagerie Download PDF

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Publication number
WO2020100387A1
WO2020100387A1 PCT/JP2019/035117 JP2019035117W WO2020100387A1 WO 2020100387 A1 WO2020100387 A1 WO 2020100387A1 JP 2019035117 W JP2019035117 W JP 2019035117W WO 2020100387 A1 WO2020100387 A1 WO 2020100387A1
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Prior art keywords
imaging
unit
detection environment
condition
imaging condition
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PCT/JP2019/035117
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English (en)
Japanese (ja)
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紗織 平田
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コニカミノルタ株式会社
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Publication of WO2020100387A1 publication Critical patent/WO2020100387A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum

Definitions

  • the present invention relates to an imaging support device, an imaging support method, and an imaging support program.
  • Patent Document 1 discloses an infrared camera and a visible light camera that capture an image (moving image) of an inspection region including an inspection target, an image processing unit that processes infrared image data captured by the infrared camera, and a display unit.
  • a gas detector having is described.
  • the image processing unit extracts an image of fluctuation due to gas leakage from the image data of the inspection area.
  • the display unit displays the inspection image in which the image data of the inspection region imaged by the visible light camera is superimposed with the fluctuation image data.
  • the inspector can visually and easily specify the location of the gas leak in the inspection region by visually recognizing the inspection image displayed on the display unit. ..
  • the imaging conditions for example, time, weather, humidity, temperature, wind speed, wind direction, etc.
  • the imaging result of the inspection area inspection image data, also called "evidence image data”
  • the detection environment for example, type of inspection object, area where inspection object is located, organization owning inspection object, type of gas that can leak from inspection object, etc.
  • the inspector understands all the imaging conditions according to the criteria for each detection environment and memorizes them in advance in advance as a preparation for storing the imaging result, and the current imaging conditions according to the current detection environment.
  • the work load is heavy because it is necessary to set the values of the above to the device exactly.
  • An object of the present invention is to provide an imaging support device, an imaging support method, and an imaging support program that can reduce the work load on the user when storing the imaging result.
  • a detection environment information acquisition unit for acquiring a detection environment for detecting a gas leak in the inspection region by imaging the inspection region using the imaging unit;
  • An imaging condition acquisition unit that acquires an imaging condition that needs to be set when the imaging result of the imaging unit is stored based on the detection environment;
  • An imaging condition notification unit for notifying the imaging condition, Equipped with.
  • the imaging support method To detect a gas leak in the inspection area by capturing an image of the inspection area using the image capturing unit, and acquire a detection environment, Based on the detection environment, obtain the imaging conditions that need to be set when the imaging result of the imaging unit is stored, The imaging condition is notified.
  • the imaging support program according to the present invention is On the computer, A process of acquiring a detection environment for detecting a gas leak in the inspection region by capturing an image of the inspection region using an imaging unit; A process of acquiring an imaging condition that needs to be set when the imaging result of the imaging unit is stored based on the detection environment; A process of notifying the imaging condition, To run.
  • FIG. 9 is a flowchart showing an operation example of displaying imaging conditions that need to be set when imaging an inspection region.
  • 9 is a flowchart illustrating an operation example of displaying an imaging condition that needs to be set when an imaging result of an inspection region is stored.
  • FIG. 1 is an external view showing a schematic configuration of a gas detection system 100 according to this embodiment.
  • the gas detection system 100 images, for example, an inspection region including an inspection target (tank, plant, etc.) in a gas field, and generates infrared image data of the inspection region. Then, the gas detection system 100 performs image processing on the infrared image data to generate an inspection image in which the gas is visualized.
  • the image includes not only a still image but also a moving image.
  • the gas detection system 100 includes a portable imaging device 200 (which functions as an “imaging unit” of the present invention) and a gas detection device 300 (which functions as an “imaging support device” of the present invention). Prepare The imaging device 200 and the gas detection device 300 are connected by the cable 10.
  • the imaging device 200 may be connected to the gas detection device 300 via wireless communication, or the imaging device 200 and the gas detection device 300 may be integrated. Further, the imaging device 200 may be connected to the gas detection device 300 via a network such as the Internet.
  • FIG. 2 is a block diagram showing the main functional configuration of the gas detection system 100.
  • the imaging device 200 is, for example, a portable camera device.
  • the imaging device 200 is controlled by a control unit (not shown) included in the imaging device 200 or the gas detection device 300.
  • the imaging device 200 may be a camera device fixed at a predetermined position.
  • the imaging device 200 includes an infrared imaging unit 201, a visible light imaging unit 202, a position detection unit 203, and an angle detection unit 204.
  • the imaging device 200 includes, for example, a CPU (Central Processing Unit) as a processor, a storage medium such as a ROM (Read Only Memory) storing a control program, and a work memory such as a RAM (Random Access Memory). , And a communication circuit.
  • a CPU Central Processing Unit
  • ROM Read Only Memory
  • a work memory such as a RAM (Random Access Memory).
  • a communication circuit In this case, the function of each unit described above is realized by the CPU executing the control program.
  • the infrared imaging unit 201 has a first optical system (not shown), a first optical filter (not shown), an infrared sensor (not shown), and the like.
  • the first optical system forms an image of infrared rays incident from the inspection area, which is a subject, on an infrared sensor.
  • the first optical filter is a bandpass filter, etc. placed on the optical path connecting the first optical system and the infrared sensor.
  • the first optical filter passes only the infrared rays included in a predetermined wavelength band among the infrared rays that have passed through the first optical system.
  • the pass wavelength band of the first optical filter is substantially set to the absorption wavelength band of the gas to be detected. For example, when the passing wavelength band is in the medium wavelength range of 3.2 to 3.4 ⁇ m, methane gas or the like can be detected.
  • the infrared sensor is, for example, a CMOS image sensor and receives infrared light to generate infrared image data.
  • the infrared imaging unit 201 as described above captures, for example, an inspection region including an inspection target of a gas field in a state of being synchronized with the visible light imaging unit 202, and sequentially transmits infrared image data to the gas detection apparatus 300.
  • the infrared image data generated by the infrared imaging unit 201 is a still image or a moving image. Such infrared image data indicates the temperature distribution in the inspection area.
  • the visible light imaging unit 202 has a second optical system (not shown), a second optical filter (not shown), a visible light sensor (not shown), and the like.
  • the second optical system forms an image of visible light incident from the inspection area, which is a subject, on the visible light sensor.
  • the second optical filter is, for example, an infrared cut filter placed on the optical path connecting the second optical system and the visible light sensor.
  • the infrared cut filter cuts infrared rays from the light passing through the second optical system.
  • the visible light sensor is, for example, a CMOS image sensor, and receives visible light of black and white BW or visible light of color RGB to generate visible image data.
  • the visible light image pickup unit 202 as described above picks up an image of the inspection region in synchronization with the infrared image pickup unit 201, and sequentially transmits the visible image data to the gas detection device 300.
  • the visible image data generated by the visible light imaging unit 202 is a still image or a moving image.
  • the position detection unit 203 receives, for example, a GPS (Global Positioning System) signal, and detects the current position of the imaging device 200 based on the received GPS signal. Then, the position detection unit 203 transmits the detected current position of the imaging device 200 to the gas detection device 300.
  • GPS Global Positioning System
  • the angle detection unit 204 detects, for example, a combined value of accelerations in the three-axis directions generated in the main body of the imaging device 200 based on a detection signal of an acceleration sensor (not shown) included in the imaging device 200, and the detected combined value Based on this, the image capturing angle (image capturing direction) captured by the image capturing apparatus 200 is detected. Then, the angle detection unit 204 transmits the detected imaging angle of the imaging device 200 to the gas detection device 300.
  • the gas detection device 300 visualizes the gas generated in the inspection region using the reception information (infrared image data, visible image data) from the imaging device 200.
  • a gas detection device 300 is a mobile terminal such as a tablet terminal, a smartphone, a laptop terminal, or a wearable terminal that is communicatively connected to the imaging device 200.
  • the gas detection device 300 includes an image processing unit 301, an input reception unit 302, a detection environment acquisition unit 303, an imaging condition storage unit 304, an imaging condition acquisition unit 305, an imaging condition value acquisition unit 306, and a determination unit 307.
  • the storage control unit 308, the imaging result information storage unit 309, the display control unit 310, and the display unit 311 are included.
  • the display unit 311 functions as the “imaging condition notifying unit”, the “determination result notifying unit”, and the “imaging result information notifying unit” of the present invention.
  • the gas detection device 300 stores, for example, a CPU (Central Processing Unit) as a processor, a ROM (Read Only Memory) that stores a control program (functions as the “imaging support program” of the present invention), and the like. It has a medium, working memory such as RAM (Random Access Memory), and a communication circuit. In this case, the function of each unit described above is realized by the CPU executing the control program.
  • a CPU Central Processing Unit
  • ROM Read Only Memory
  • control program functions as the “imaging support program” of the present invention
  • the image processing unit 301 receives infrared image data of the inspection region (hereinafter, referred to as “infrared image data before image processing”) from the infrared imaging unit 201. Then, the image processing unit 301 performs predetermined image processing on the infrared image data of the inspection area, detects a portion where gas exists in the infrared image data, and visualizes the detected portion (hereinafter, referred to as “gas”). Visualization process "). The image processing unit 301 attaches a specific color (such as red) to a portion where gas exists in the infrared image data before the image processing. The infrared image data after the gas visualization process is called the image-processed infrared image data.
  • a temperature change that is, a change in brightness in the infrared image data of the inspection area
  • the image processing unit 301 detects a portion where gas is present based on such a temperature change. Since the gas detection method is a known image processing method, detailed description thereof will be omitted.
  • the image processing unit 301 also receives visible image data (hereinafter, “visible image data before image processing”) from the visible light imaging unit 202. Then, the image processing unit 301 generates inspection image data in which visible image data before image processing is combined with infrared image data after image processing.
  • the inspection image data is displayed on the display unit 311 as an inspection image under the control of the display control unit 310.
  • the gas image corresponding to the gas is given the specific color.
  • the infrared image data after the above-mentioned image processing may be used as the inspection image data without being combined with the visible image data.
  • the image processing unit 301 also outputs the inspection image data to the storage control unit 308 and the display control unit 310.
  • the display control unit 310 converts the inspection image data output from the image processing unit 301 into a display signal corresponding to the display unit 311, and causes the display unit 311 to display the converted display signal as an inspection image.
  • the display unit 311 is, for example, a display of a mobile terminal included in the gas detection device 300.
  • a liquid crystal display, an organic EL display, or the like can be used as the display.
  • the display is a flat panel display with a touch panel.
  • the display unit 311 displays various images such as an inspection image for detecting gas by being visually recognized by a user (inspector, hereinafter the same) based on a display signal from the display control unit 310.
  • the input reception unit 302 receives various inputs (information input, instruction input) by the user via an operation unit (not shown).
  • the detection environment acquisition unit 303 acquires a detection environment for detecting a gas leak in the inspection area by imaging the inspection area using the imaging device 200.
  • the detection environment includes, for example, the type of inspection target, the area where the inspection target is located (for example, Colorado), the organization that owns the inspection target, the type of gas that can leak from the inspection target, the imaging mode (for example, real-time imaging mode, simple It is the type of imaging mode).
  • the detection environment acquisition unit 303 acquires the detection environment based on the user's operation input via the input reception unit 302. Further, the detection environment acquisition unit 303 automatically acquires the detection environment (for example, the area where the inspection target is located) based on the current position of the imaging device 200 transmitted from the position detection unit 203. The detection environment acquisition unit 303 outputs the acquired detection environment to the imaging condition acquisition unit 305. The detection environment acquisition unit 303 may acquire the detection environment from an external device (not shown) of the gas detection system 100.
  • the imaging condition storage unit 304 includes a detection environment for detecting a gas leak in the inspection area, an imaging condition that needs to be set when imaging the inspection area, and a request required for the imaging condition in relation to the detection environment.
  • Imaging condition information that is associated with the condition is stored.
  • Imaging conditions include, for example, time, weather, humidity, temperature, wind speed, wind direction, distance of the imaging device 200 from the inspection target, imaging angle, types of gas that can leak from the inspection target, imaging mode, imaging time, inspection purpose (inspection Or diagnosis), inspection status (inspection, confirmation after repair), tool (type of imaging device 200 used for inspection), and the like.
  • the required condition is, for example, a condition that the value of the wind speed is less than 15 m / s when the imaging condition is the wind speed.
  • the imaging environment that needs to be set when imaging the inspection area and the imaging condition that needs to be set when storing the imaging result (inspection image data) obtained by imaging the inspection area are the detection environment. It is determined in advance according to a predetermined standard regarding. Specifically, the imaging condition is determined based on the law or public standard that is effective in the area where the inspection target is located, or the standard specified by the organization or company that owns the inspection target. As described above, regarding the imaging condition, there are different standards depending on the difference in the detection environment for detecting the gas leak.
  • the imaging condition acquisition unit 305 refers to the imaging condition information stored in the imaging condition storage unit 304 and acquires the imaging condition associated with the detection environment output from the detection environment acquisition unit 303. Then, the imaging condition acquisition unit 305 outputs the acquired imaging conditions to the display control unit 310.
  • the display control unit 310 controls the display unit 311 to display the imaging condition output from the imaging condition acquisition unit 305.
  • the imaging condition value acquisition unit 306 acquires the value of the imaging condition displayed on the display unit 311 based on the user's operation input via the input reception unit 302.
  • the imaging condition value acquisition unit 306 is displayed on the display unit 311 based on the current position of the imaging device 200 transmitted from the position detection unit 203 and the imaging angle of the imaging device 200 transmitted from the angle detection unit 204.
  • the value of the imaging condition is automatically obtained.
  • the imaging condition value acquisition unit 306 sets the acquired imaging condition value in the gas detection device 300 and outputs it to the determination unit 307 and the storage control unit 308.
  • the imaging condition value acquisition unit 306 uses an external device (not shown) of the gas detection system 100 to capture imaging conditions (for example, time, weather, humidity, temperature, wind speed, wind direction, distance of the imaging device 200 from the inspection target, and imaging).
  • imaging conditions for example, time, weather, humidity, temperature, wind speed, wind direction, distance of the imaging device 200 from the inspection target, and imaging.
  • the value of (angle etc.) may be acquired.
  • the determination unit 307 refers to the imaging condition information stored in the imaging condition storage unit 304, and the value of the imaging condition output from the imaging condition value acquisition unit 306 relates to the detection environment acquired by the detection environment acquisition unit 303. Then, it is determined whether or not the requirement required for the imaging condition is satisfied. Then, the determination unit 307 outputs the determination result to the display control unit 310.
  • the display control unit 310 controls the display unit 311 to display the determination result output from the determination unit 307. If the value of the imaging condition does not satisfy the requirement required for the imaging condition in relation to the detection environment, the display control unit 310 needs the imaging condition that does not satisfy the requirement or the requirement.
  • the display unit 311 may be controlled to display the value (range) of the imaging condition. As a result, the user can quickly take an action necessary to satisfy the requirement (for example, changing the image capturing mode, changing the length of the image capturing time, etc.).
  • the storage control unit 308 stores the value of the image pickup condition output from the image pickup condition value acquisition unit 306.
  • the image pickup result information storage unit 309 stores image pickup result information indicating the inspection image data output from the image processing unit 301 in association with each other.
  • the display control unit 310 causes the display unit 311 to display the imaging result information. Control.
  • the user can confirm the value of the imaging condition stored in association with the imaging result of the imaging device 200 by referring to the imaging result information displayed on the display unit 311.
  • FIG. 3 is a flowchart showing an operation example of displaying the imaging conditions that need to be set when imaging the inspection area. Each process in FIG. 3 is executed when an instruction input for imaging the inspection region is generated via the input reception unit 302.
  • the detection environment acquisition unit 303 acquires a detection environment for detecting a gas leak in the inspection region by imaging the inspection region using the image capturing device 200 (step S100).
  • the detection environment acquisition unit 303 outputs the acquired detection environment to the imaging condition acquisition unit 305.
  • the imaging condition acquisition unit 305 refers to the imaging condition information stored in the imaging condition storage unit 304 and acquires the imaging condition associated with the detection environment output from the detection environment acquisition unit 303 (step). S120). Then, the imaging condition acquisition unit 305 outputs the acquired imaging conditions to the display control unit 310.
  • the display control unit 310 controls the display unit 311 to display the imaging condition output from the imaging condition acquisition unit 305 (step S140).
  • the user can grasp the image capturing conditions that need to be set according to the current detection environment without excess or deficiency, without making the user's own judgment.
  • the user does not need to understand and memorize all the imaging conditions according to the different criteria for each detection environment as a preparation for the inspection, which is required in the conventional inspection.
  • the work load on the user can be reduced.
  • the imaging condition value acquisition unit 306 acquires the value of the imaging condition displayed on the display unit 311 based on the user's operation input or the like via the input reception unit 302 (step S160).
  • the imaging condition value acquisition unit 306 sets the acquired imaging condition value in the gas detection device 300 and outputs it to the determination unit 307.
  • the determination unit 307 refers to the imaging condition information stored in the imaging condition storage unit 304, and the value of the imaging condition output from the imaging condition value acquisition unit 306 is detected by the detection environment acquisition unit 303. It is determined whether or not the requirement required for the imaging condition is satisfied in relation to the environment (step S180). Then, the determination unit 307 outputs the determination result to the display control unit 310.
  • the display control unit 310 controls the display unit 311 to display the determination result output from the determination unit 307 (step S200).
  • the user can determine whether or not the value of the imaging condition set in the gas detection apparatus 300 is appropriate as the detection environment this time without making the determination by the user himself / herself. Can be confirmed.
  • the gas detection device 300 ends the process in FIG.
  • FIG. 4 is a flowchart showing an operation example of displaying the imaging conditions that need to be set when the imaging result of imaging the inspection area is stored after the imaging of the inspection area is started. Each process in FIG. 4 is executed when an instruction input to store the imaging result (inspection image data) of the imaging device 200 is generated via the input reception unit 302.
  • the detection environment acquisition unit 303 acquires a detection environment for detecting a gas leak in the inspection area by imaging the inspection area using the imaging device 200 (step S300).
  • the detection environment acquisition unit 303 outputs the acquired detection environment to the imaging condition acquisition unit 305.
  • the imaging condition acquisition unit 305 refers to the imaging condition information stored in the imaging condition storage unit 304 and acquires the imaging condition associated with the detection environment output from the detection environment acquisition unit 303 (step). S320). Then, the imaging condition acquisition unit 305 outputs the acquired imaging conditions to the display control unit 310.
  • the display control unit 310 controls the display unit 311 to display the imaging condition output from the imaging condition acquisition unit 305 (step S340).
  • the user grasps the imaging conditions that need to be set when the imaging result of the examination region is stored without deficiency by the user himself or herself. can do.
  • the user does not need to understand and store all the imaging conditions according to the different criteria for each detection environment as a preparation before storing the imaging result, and the imaging result can be stored. It is possible to reduce the work burden on the user when storing.
  • the imaging condition value acquisition unit 306 acquires the value of the imaging condition displayed on the display unit 311 based on the user's operation input or the like via the input reception unit 302 (step S360).
  • the imaging condition value acquisition unit 306 sets the acquired imaging condition value in the gas detection device 300 and outputs it to the storage control unit 308.
  • the storage control unit 308 stores the imaging result information indicating the imaging condition value output from the imaging condition value acquisition unit 306 and the inspection image data output from the image processing unit 301 in association with the imaging result information storage unit. It is stored in 309 (step S380).
  • the gas detection device 300 ends the process in FIG.
  • the gas detection device 300 detects a gas leak in the inspection region by imaging the inspection region using the imaging device 200 (imaging unit).
  • a detection environment acquisition unit 303 that acquires a detection environment
  • an imaging condition acquisition unit 305 that acquires an imaging condition that needs to be set when imaging an inspection region based on the detection environment, and displays (notifies) the imaging condition.
  • the display unit 311 (imaging condition notification unit) is provided.
  • the user needs to set according to the detection environment of this time without referring to the imaging condition displayed on the display unit 311 and making a judgment by the user himself. It is possible to grasp various imaging conditions without excess or deficiency. As a result, the user does not need to understand and memorize all the imaging conditions according to the different criteria for each detection environment as a preparation for the inspection, which is required in the conventional inspection. The work load on the user can be reduced.
  • the gas detection device 300 acquires a detection environment for detecting a gas leak in the inspection region by imaging the inspection region using the imaging device 200 (imaging unit).
  • the user refers to the imaging conditions displayed on the display unit 311 to store the imaging result of the imaging of the inspection region without the user's own judgment. At this time, it is possible to grasp the imaging conditions that need to be set without excess or deficiency. As a result, the user does not need to understand and store all the imaging conditions according to the different criteria for each detection environment as a preparation before storing the imaging result, and the imaging result can be stored. It is possible to reduce the work burden on the user when storing.
  • the present invention is not limited to this.
  • the user may be informed by outputting the imaging condition output from the imaging condition acquisition unit 305 by voice.
  • the present invention is not limited to this.
  • the user may be informed by outputting the result of the determination output from the determination unit 307 by voice.
  • the present invention is not limited to this.
  • the user may be notified by outputting the image pickup result information stored in the image pickup result information storage unit 309 by voice.

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Abstract

Un appareil de support d'imagerie selon la présente invention comprend : une unité d'acquisition d'informations d'environnement de détection pour acquérir un environnement de détection, qui est utilisé pour détecter une fuite de gaz dans une région d'inspection par imagerie de la région d'inspection au moyen d'une unité d'imagerie ; une unité d'acquisition de condition d'imagerie pour acquérir, sur la base de l'environnement de détection, des conditions d'imagerie qui doivent être définies lors du stockage du résultat d'imagerie de l'unité d'imagerie ; et une unité de notification de condition d'imagerie pour émettre une notification des conditions d'imagerie.
PCT/JP2019/035117 2018-11-16 2019-09-06 Appareil de support d'imagerie, procédé de support d'imagerie et programme de support d'imagerie WO2020100387A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140002639A1 (en) * 2011-03-25 2014-01-02 Joseph M. Cheben Autonomous Detection of Chemical Plumes
JP2016170029A (ja) * 2015-03-12 2016-09-23 コニカミノルタ株式会社 データ品質保証システム及び課金システム
JP2017090190A (ja) * 2015-11-09 2017-05-25 コニカミノルタ株式会社 ガス検知用画像処理装置、ガス検知用画像処理方法及びガス検知用画像処理プログラム
WO2018038152A1 (fr) * 2016-08-24 2018-03-01 コニカミノルタ株式会社 Système de mesure de gaz et programme de mesure de gaz

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140002639A1 (en) * 2011-03-25 2014-01-02 Joseph M. Cheben Autonomous Detection of Chemical Plumes
JP2016170029A (ja) * 2015-03-12 2016-09-23 コニカミノルタ株式会社 データ品質保証システム及び課金システム
JP2017090190A (ja) * 2015-11-09 2017-05-25 コニカミノルタ株式会社 ガス検知用画像処理装置、ガス検知用画像処理方法及びガス検知用画像処理プログラム
WO2018038152A1 (fr) * 2016-08-24 2018-03-01 コニカミノルタ株式会社 Système de mesure de gaz et programme de mesure de gaz

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