CN113188661A - Intelligent shooting and recording method and device for infrared chart - Google Patents
Intelligent shooting and recording method and device for infrared chart Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 6
- 238000009795 derivation Methods 0.000 claims description 3
- 238000012887 quadratic function Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
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- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
- G01S19/47—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being an inertial measurement, e.g. tightly coupled inertial
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
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Abstract
The invention discloses an intelligent shooting and recording method and device for infrared heat maps, wherein the method comprises the following steps: acquiring current position information and shot current heat map information; acquiring pre-stored power equipment associated multimedia information of a plurality of power equipment; matching the current position information and the current heat map information with the power equipment associated multimedia information, and matching one piece of power equipment associated multimedia information similar to the heat map information from the power equipment associated multimedia information; and associating the current heat map information with the power equipment associated information in the matched power equipment associated multimedia information, and storing the associated information. Even if the shooting method is a non-professional, under the condition that the electric power equipment is not known, each shooting task can be accurately finished under the guidance of the electric power equipment characteristic map thumbnail at the intelligent matching position, information association is automatically finished, any equipment cannot be omitted, and the polling shooting task is simply and efficiently finished.
Description
Technical Field
The invention belongs to the technical field of electric power, and particularly relates to an intelligent shooting and recording method and device for an infrared chart.
Background
Firstly, shooting an infrared chart to automatically record according to time, wherein the associated information of the power equipment needs to be manually recorded, the shooting operation is complicated, the time consumption is long, errors are easy to occur, the workload is huge, and the efficiency of after-treatment data sorting and recording into a database is extremely low; secondly, information of the electric equipment is sorted in advance and stored in the thermal infrared imager, the thermal infrared imager sequentially prompts the electric equipment to be shot in the shooting process, a shooting person searches for the corresponding electric equipment on site according to the prompt and can shoot and record the electric equipment after manual selection through an interactive menu, and the method has high requirement on the mastering degree of the professional knowledge of the electric equipment of the shooting person, is long in culture time and has strong dependence on the technical ability of the shooting person when working; and thirdly, establishing a model of the transformer substation and the transformer substation interval according to basic data of the transformer substation and the transformer substation interval, and displaying the current shooting position in a GPS positioning matching mode on a corresponding position on a power equipment wiring diagram for guiding the shooting task to be carried out. In this method, the wiring diagram of the power equipment is only familiar to the professional technical personnel, and it is difficult for the ordinary working personnel without professional knowledge to identify and complete the shooting task. And the current shooting position information is obtained only by adopting GPS positioning, and under the conditions of bad weather, cloud cover shielding or indoor environment, the position information cannot be accurately obtained at all, so that the shooting work cannot be normally carried out.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent shooting and recording method of an infrared chart, which is convenient for shooting and recording.
The technical scheme of the invention is as follows: a method for intelligently shooting and recording infrared heat maps comprises the following steps:
acquiring current position information and shot current heat map information;
acquiring pre-stored power equipment associated multimedia information of a plurality of power equipment, wherein the power equipment associated multimedia information comprises position information, a characteristic map and power equipment associated information corresponding to the power equipment;
matching the current position information and the current heat map information with the power equipment associated multimedia information, and matching one piece of power equipment associated multimedia information consistent with the heat map information from the power equipment associated multimedia information;
and associating the current heat map information with the power equipment associated information in the matched power equipment associated multimedia information, and storing the associated information.
Preferably, the power equipment related information includes at least one of an equipment name, an equipment type, an equipment component, an equipment category, and an equipment location.
Preferably, the current position information is acquired by GNSS and inertial navigation. GNSS navigation includes BDS: B1I, B2I; GPS: L1C/A, L2C; GLONASS: l1, L2. The inertial navigation can enhance the positioning precision of severe weather and indoor environment, and is matched with the equipment position information in the multimedia equipment information base according to the GNSS positioning information of the current shooting point.
Preferably, when matching the current heat map information with the power device associated multimedia information, the method includes:
detecting a scale space extreme value: searching image positions on all scales, identifying interest points which are invariable in scale and rotation through a Gaussian differential function, and performing detection by establishing a Gaussian pyramid, generating a DOG Gaussian difference pyramid and detecting DOG local extreme points;
accurate positioning of key points: the positions and the scales of the key points are accurately determined by fitting a three-dimensional quadratic function, and the DOG operator can generate stronger edge response, so that the key points with low contrast and unstable edge response points are removed at the same time, the matching stability is enhanced, and the anti-noise capability is improved; in order to improve the stability of the key points, curve fitting needs to be performed on a DOG function in a scale space, and a Taylor expansion equation of the DOG function in the scale space is utilized, namely the fitting function is as follows:
wherein X is image data, the derivation equation is equal to zero, and the corresponding extreme point can be obtained, and the value of the equation is:
wherein, X is an image extreme point, T represents an offset from the interpolation center, and when the offset of any dimension is greater than 0.5, it means that the interpolation center has been offset to its neighboring points, so the position of the current key point must be changed; while repeatedly interpolating at the new position until convergence; it is also possible to exceed the set number of iterations or to extend beyond the boundaries of the image, where such points are deleted.
The invention also provides an intelligent shooting and recording device for the infrared chart, which comprises:
the shooting module is used for shooting and acquiring current heat map information;
the positioning module is used for acquiring current position information;
the matching module is used for matching the current position information and the current heat map information with the power equipment associated multimedia information and matching one piece of power equipment associated multimedia information similar to the heat map information from the power equipment associated multimedia information, wherein the power equipment associated multimedia information comprises position information, a feature map and power equipment associated information corresponding to the power equipment;
and the association storage module is used for associating and storing the current heat map information with the electric equipment association information in the matched electric equipment association multimedia information.
Preferably, the positioning module is composed of a GNSS and an inertial navigation module.
Preferably, the power equipment related information includes at least one of an equipment name, an equipment type, an equipment component, an equipment category, and an equipment location.
Compared with the prior art, the invention has the beneficial effects that:
(1) even if the shooting method is a non-professional, under the condition that the electric power equipment is not known, each shooting task can be accurately finished under the guidance of the electric power equipment characteristic map thumbnail at the intelligent matching position, information association is automatically finished, any equipment cannot be omitted, and the polling shooting task is simply and efficiently finished.
(2) The invention does not need complicated manual marking and recording; in addition, the infrared heat map shot and acquired in the invention can also be automatically associated with the power equipment information, and the information can be stored in a local server or uploaded to a cloud server for storage. Therefore, the invention can reduce the work task of the infrared thermal imager part, reduce the burden and save the power consumption.
(3) According to the method, the characteristic map and the associated information of the power equipment are automatically acquired through the automatic association of the pre-recorded position information of the power equipment and the current shooting position, and the shooting is intelligently guided in a picture-text combination mode, so that a shooting person can still complete a shooting task under the condition that professional knowledge of the power equipment is not available, and the normal operation of fault detection, timely alarm and maintenance work of the power equipment is ensured.
(4) The invention can enhance the accuracy of position positioning by combining the GNSS module and the inertial navigation module, can still normally perform accurate positioning work in severe weather and indoor environment, and ensures the normal operation of shooting tasks.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for intelligently capturing and recording an infrared thermal map in this embodiment.
Fig. 2 is an interface diagram of the thermal infrared imager for intelligently shooting and matching the thumbnail of the characteristic spectrum of the electrical equipment in the embodiment.
Fig. 3 is a diagram showing an interface for selecting an electric device and displaying device information by the thermal infrared imager in the embodiment.
Fig. 4 is a schematic diagram of a system for intelligent infrared shooting in this embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1, the present embodiment is a method for intelligently capturing and recording an infrared thermal map, including:
acquiring current position information and shot current heat map information;
acquiring pre-stored power equipment associated multimedia information of a plurality of power equipment, wherein the power equipment associated multimedia information comprises position information, a characteristic map and power equipment associated information corresponding to the power equipment;
matching the current position information and the current heat map information with the power equipment associated multimedia information, and matching one piece of power equipment associated multimedia information similar to the heat map information from the power equipment associated multimedia information;
and associating the current heat map information with the electric equipment associated information in the matched electric equipment associated multimedia information, and storing the associated information.
In this embodiment, the power device associated multimedia information includes: the information of the position, the thumbnail, the name, the type, the component, the phase, the position and the like can be collected, compiled and manufactured into an intelligent shooting information packet by a professional power detection engineer in advance. The subsequent routine shooting can be carried out by common workers to the site, so that the shooting efficiency is improved, and the detection cost is reduced.
In addition, in the present embodiment, the current position information is acquired through GNSS and inertial navigation. GNSS navigation includes BDS: B1I, B2I; GPS: L1C/A, L2C; GLONASS: l1, L2. The inertial navigation can enhance the positioning precision of severe weather and indoor environment. And prompting the object equipment to be shot by using the feature map after position matching.
In this embodiment, when matching the current heat map information with the multimedia information associated with the power device, there are various matching methods, and the matching method in this embodiment includes:
detecting a scale space extreme value: searching image positions on all scales, identifying interest points which are invariable in scale and rotation through a Gaussian differential function, and performing detection by establishing a Gaussian pyramid, generating a DOG Gaussian difference pyramid and detecting DOG local extreme points;
accurate positioning of key points: the positions and the scales of the key points are accurately determined by fitting a three-dimensional quadratic function, and the DOG operator can generate stronger edge response, so that the key points with low contrast and unstable edge response points are removed at the same time, the matching stability is enhanced, and the anti-noise capability is improved; in order to improve the stability of the key points, curve fitting needs to be performed on a DOG function in a scale space, and a Taylor expansion equation of the DOG function in the scale space is utilized, namely the fitting function is as follows:
wherein X is image data, the derivation equation is equal to zero, and the corresponding extreme point can be obtained, and the value of the equation is:
wherein, X is an image extreme point, T represents an offset from the interpolation center, and when the offset of any dimension is greater than 0.5, it means that the interpolation center has been offset to its neighboring points, so the position of the current key point must be changed; while repeatedly interpolating at the new position until convergence; it is also possible to exceed the set number of iterations or to extend beyond the boundaries of the image, where such points are deleted.
In addition, as shown in fig. 4, the processing system of the present invention includes: the system comprises the following components of infrared acquisition, GNSS, inertial navigation, infrared intelligent shooting processing, display and multimedia interaction, local storage of electric power equipment information, wireless communication, cloud storage of electric power equipment information and the like.
The intelligent shooting and recording device for the infrared heat map corresponding to the method specifically comprises the following steps:
the shooting module is used for shooting and acquiring current heat map information;
the positioning module is used for acquiring current position information;
the matching module is used for matching the current position information and the current heat map information with the power equipment associated multimedia information and matching one piece of power equipment associated multimedia information similar to the heat map information from the power equipment associated multimedia information, wherein the power equipment associated multimedia information comprises position information, a feature map and power equipment associated information corresponding to the power equipment;
and the association storage module is used for associating and storing the current heat map information with the electric equipment association information in the matched electric equipment association multimedia information.
The working principle of the invention is as follows:
before the infrared thermal image is shot, the position information, the characteristic map and the associated information of the electric power equipment are made into an intelligent shooting information packet (electric power equipment associated multimedia information) in advance, and the intelligent shooting information packet is stored in a cloud server or a local storage of the thermal infrared imager. The power equipment associated multimedia information comprises the following steps: the information such as the position, the thumbnail, the name, the type, the component, the phase, the position and the like can be collected, compiled and manufactured into an intelligent shooting information packet by a professional power detection engineer in advance, and the intelligent shooting can be carried out on site by common workers in the follow-up routine shooting process, so that the shooting efficiency is improved, and the detection cost is reduced.
Acquiring power equipment associated multimedia information through a cloud server or a local memory connected in wireless communication according to current shooting position information (position information of a photographer is accurately acquired through a GNSS, inertial navigation and a wireless communication module), wherein the power equipment associated multimedia information comprises an equipment type, an equipment typical characteristic map and an equipment shooting position, displaying the equipment type, the equipment typical characteristic map and the equipment shooting position on a display screen, and taking the most similar equipment typical map characteristic to the current heat map information as a default option; the infrared thermal imager acquires the intelligent shooting information packet from the cloud server or a local memory through a wireless communication module (for assisting in enhancing positioning accuracy), the intelligent shooting information packet can be displayed on a display screen according to a power equipment distribution map, and shooting tasks of each power equipment are marked on the map in sequence according to numbers and are visually displayed.
The GNSS, inertial navigation and wireless communication module of the thermal infrared imager can accurately acquire the current position information of a photographer and match the position information of the electric power equipment, and intelligently displays the thumbnail of the characteristic map of the electric power equipment to be shot nearby on the screen of the thermal infrared imager. A photographer presses the power equipment feature map thumbnail to visually judge, match and select power equipment to be shot, the infrared heat map and the related information of the power equipment can be intelligently stored by shooting with one key, and the infrared heat map can be stored in a local storage or uploaded to a remote cloud server after shooting.
In the intelligent shooting process, a photographer can easily match and shoot at any time on the spot according to the power equipment characteristic map thumbnail, and the completed shooting task is marked with a completion identifier on a display interface. When all shooting tasks are completed, the completion identification is displayed on each task, and the shooting work is completed. In addition, a photographer can simply select the on-site power equipment according to the characteristic map of the power equipment, so that the shooting task can be carried out without complex manual marking and recording.
The technical contents of the present embodiment are further described by the embodiments only, so as to facilitate the reader to understand more easily, but the embodiments of the present embodiment are not limited thereto, and any technical extension or re-creation performed according to the present embodiment is protected by the present embodiment. The protection scope of the present embodiment is subject to the claims.
Claims (7)
1. An intelligent shooting and recording method for infrared heat maps is characterized by comprising the following steps:
acquiring current position information and shot current heat map information;
acquiring pre-stored power equipment associated multimedia information of a plurality of power equipment, wherein the power equipment associated multimedia information comprises position information, a characteristic map and power equipment associated information corresponding to the power equipment;
matching the current position information and the current heat map information with the power equipment associated multimedia information, and matching one piece of power equipment associated multimedia information similar to the heat map information from the power equipment associated multimedia information;
and associating the current heat map information with the power equipment associated information in the matched power equipment associated multimedia information, and storing the associated information.
2. The method for intelligently capturing and recording infrared heatmaps of claim 1, wherein the power equipment related information comprises at least one of equipment name, equipment type, equipment component, equipment phase, and equipment location.
3. The method for intelligently capturing and recording infrared heatmaps of claim 1, wherein the current position information is obtained via GNSS and inertial navigation.
4. The method for intelligently capturing and recording the infrared heat map according to any one of claims 1 to 3, wherein the matching of the current heat map information with the multimedia information associated with the power equipment comprises:
detecting a scale space extreme value: searching image positions on all scales, identifying interest points which are invariable in scale and rotation through a Gaussian differential function, and performing detection by establishing a Gaussian pyramid, generating a DOG Gaussian difference pyramid and detecting DOG local extreme points;
accurate positioning of key points: the positions and the scales of the key points are accurately determined by fitting a three-dimensional quadratic function, and the DOG operator can generate stronger edge response, so that the key points with low contrast and unstable edge response points are removed at the same time, the matching stability is enhanced, and the anti-noise capability is improved; in order to improve the stability of the key points, curve fitting needs to be performed on a DOG function in a scale space, and a Taylor expansion equation of the DOG function in the scale space is utilized, namely the fitting function is as follows:
wherein X is image data, the derivation equation is equal to zero, and the corresponding extreme point can be obtained, and the value of the equation is:
wherein, X is an image extreme point, T represents an offset from the interpolation center, and when the offset of the interpolation center in any dimension is greater than 0.5, the interpolation center is already offset to the adjacent point, so the position of the current key point must be changed; while repeatedly interpolating at the new position until convergence; it is also possible to exceed the set number of iterations or to extend beyond the boundaries of the image, where such points are deleted.
5. An intelligent shooting and recording device for infrared heat maps is characterized by comprising:
the shooting module is used for shooting and acquiring current heat map information;
the positioning module is used for acquiring current position information;
the matching module is used for matching the current position information and the current heat map information with the power equipment associated multimedia information and matching one piece of power equipment associated multimedia information similar to the heat map information from the power equipment associated multimedia information, wherein the power equipment associated multimedia information comprises position information, a feature map and power equipment associated information corresponding to the power equipment;
and the association storage module is used for associating and storing the current heat map information with the electric equipment association information in the matched electric equipment association multimedia information.
6. The device for smart camera recording of infrared heatmaps of claim 5, wherein said positioning module is comprised of a GNSS and inertial navigation module.
7. The apparatus of claim 5, wherein the power device association information comprises at least one of a device name, a device type, a device component, a device phase, and a device location.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116448250A (en) * | 2023-06-14 | 2023-07-18 | 国网山西省电力公司超高压变电分公司 | Auxiliary positioning device and auxiliary positioning method for infrared thermal imaging of power equipment |
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| CN116448250A (en) * | 2023-06-14 | 2023-07-18 | 国网山西省电力公司超高压变电分公司 | Auxiliary positioning device and auxiliary positioning method for infrared thermal imaging of power equipment |
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