CN207424183U - A kind of portable augmented reality ultraviolet imagery system - Google Patents
A kind of portable augmented reality ultraviolet imagery system Download PDFInfo
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- CN207424183U CN207424183U CN201721589695.7U CN201721589695U CN207424183U CN 207424183 U CN207424183 U CN 207424183U CN 201721589695 U CN201721589695 U CN 201721589695U CN 207424183 U CN207424183 U CN 207424183U
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- ultraviolet
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Abstract
The utility model discloses a kind of portable augmented reality ultraviolet imagery systems.Ultraviolet light forms more bit images by imaging sensor, carries out the Digital Signal Processing such as morphology to ultraviolet image again after more bit images are carried out binaryzation and is transferred to visible light camera, lossless ultraviolet image compression storage is carried out by the latter；Visible ray exports fine definition visible light video image by image-forming module, the data based on timestamp of three tunnel independences are formed in visible light camera, respectively ultraviolet image, visible light video image, OSD text informations, wherein ultraviolet image and visible light video image can carry out real time scan panoramic mosaic, show panorama ultraviolet image, panorama visible images and OSD text informations by timestamp synchronous fusion in the display stage.The utility model effectively expands the instrument detection visual field, can realize augmented reality discharge examination, enhances visual fault location ability directly perceived, can also link by mobile phone and electric power operation platform.
Description
Technical field
The utility model belongs to the monitoring of electric system O＆M, discharge examination, multispectral testing equipment field, and in particular to one
The portable augmented reality ultraviolet imagery system of kind.
Background technology
The basic principle of day blind ultraviolet detection is the light of 190-285nm wave bands in solar spectrum through atmosphere
In the process, it can be fully absorbed by ozone layer, earth surface can not be irradiated to.Once detect day blind spectral coverage ultraviolet light, it just can be really
Surely it is the ultraviolet light that the non-natural situation such as the activity of the mankind generates, such as firearm discharge, explosive charge, fire and high pressure are defeated
Corona that electric wire electric leakage generates etc..
The equipment such as defeated supply line and substation's distribution work under atmospheric environment, with the reduction of insulation performance, occur
During fault of construction or surface partial discharge phenomenon, corona and surface shelf depreciation, corona and electric discharge position can radiate largely
Ultraviolet light.Corona discharge can cause composite insulator to be degenerated, and parts are damaged, metal cap, steel nail and the water of ceramic insulator
Mud is damaged, and so as to ultimately result in the reduction of the reliability of defeated power supply, causes electric power system fault and accident.
For case above, industrial quarters invents ultraviolet imager detection device, and picture and visible ray are scattered in using ultraviolet
The video of sensor output is merged, and can be shown ultra-violet light-emitting position, light intensity, it is observed that there is a situation where discharging, be made
Obtain position and intensity that electric power overhaul personnel are capable of orientation discharge.Typical common ultraviolet imager schematic diagram as shown in Figure 1,
Light is divided into two-way by spectroscope, all the way into visible light lens, in addition all the way into ultraviolet lens, by day blind ultraviolet filter
Mirror, photomultiplier etc. project and ultraviolet image are formed on imaging sensor, ultraviolet image signal and visible image signal into
Enter central processing unit fusion treatment, the image for eventually passing through fusion is stored and shown.In existing patent document, publication number
For CN202758016U, entitled " new ultra-violet imager " and Publication No. CN202676860U, entitled " one kind is ultraviolet
What the utility model of imager " disclosed belongs to this common ultraviolet imager.
But also there is many shortcomings for above-mentioned ultraviolet imager.First, the ultraviolet passage visual field is very small, such as (horizontal ×
Vertical visual field is：6 degree × 4.5 degree) efficiency is low, inconvenient, poor availability in electric system detects use, it is difficult to determine failure
Position, particularly in the very high application in substations of equipment similitude, general ultraviolet equipment easily generates the positioning obscured, can use
Property is worse；Secondly for the visual light imaging sensor used for common SD CCD, image resolution ratio is low, and imaging lacks details；In addition
Ultraviolet image lacks effective Digital Signal Processing, inhibits weaker, poor anti-interference to discrete noise, is unfavorable for service personnel's judgement
Strength of discharge and position；The central processing unit of industry ultraviolet imager is using programmable array, the processing unit power consumption
Greatly, encapsulation is big, and finally integrated ultraviolet imager volume is big, and stand-by time is short, and it is portable to be both unfavorable for service personnel, is also unfavorable for
It detects for a long time in field.
Utility model content
In order to solve the above technical problems, the utility model proposes a kind of portable augmented reality ultraviolet imagery systems, it will
Ultraviolet image removes discrete noise by Digital Signal Processing and carries out Morphological scale-space, and convergence ultraviolet image is in concentration region of discharge
Domain, convenient for fault location.By carrying out panoramic mosaic to scan image in real time, it is ultraviolet with panorama visible ray to form panorama, goes forward side by side
Row panorama merges, and to expand the instrument detection visual field, enhances visual fault location ability directly perceived.
To achieve the above object, the technical solution adopted in the utility model is a kind of portable augmented reality ultraviolet imagery
System, including ultraviolet light imaging passage and visual light imaging passage.Incident ray is divided into two-way by spectroscope, passes through day all the way
Blind ultraviolet filter, into ultraviolet light imaging passage, another way enters visual light imaging passage.Ultraviolet light is projected to by multiplier tube
High definition CCD/CMOS imaging sensors form more bit images, and ultraviolet image is carried out again after more bit images are carried out binaryzation
The Digital Signal Processing such as morphology are simultaneously transferred to visible light camera, and lossless ultraviolet image compression storage is carried out by the latter；In addition
Visible ray exports fine definition visible light video image by image-forming module all the way, and three tunnels independence is formed in visible light camera
The data based on timestamp, be respectively ultraviolet image, visible light video image, OSD text informations, wherein ultraviolet image and can
See that light video image can carry out real time scan panoramic mosaic, in the display stage by panorama ultraviolet image, panorama visible images
It is shown with OSD text informations by timestamp synchronous fusion.
Further, automatic exposure, automatic growth control, drop can be first passed through before more bit images being carried out binary conversion treatment
The image preprocessing made an uproar.
Further, the ultraviolet image signal after the Digital Signal Processing such as above-mentioned morphology is sent by high-speed serial bus
To visible light camera.
Independent high-performance lossy compression method can be carried out to the fine definition visible light video image.
Preferably, H.264/5 mode may be employed in above-mentioned compression.
Above-mentioned ultraviolet imagery system can connect WIFI module by internal SDIO Extended serial-bus, to realize movement
The enhancing intellectual analysis and information exchange of equipment and ultraviolet imager.
Above- mentioned information interaction includes panoramic picture preview, playback of video files, grabgraf, configuration.
Ultraviolet imagery system can connect GPS, humiture module by internal bus, realize that the automatic geographical location that obtains is believed
Breath and environment sensing information and stored record, the information of acquisition can be superimposed upon on video or photo to improve augmented reality.
Above-mentioned real time scan panoramic mosaic is that online panoramic mosaic is carried out to scan image, and formation panorama is ultraviolet can with panorama
See light, and carry out panorama fusion, expand the instrument detection visual field, enhance visual fault location ability directly perceived.
Compared with prior art, the utility model has following advantageous effects：
1, the utility model carries out panoramic mosaic to scan image in real time, and it is ultraviolet with panorama visible ray to form panorama, goes forward side by side
Row panorama merges, and expands the instrument detection visual field, enhances visual fault location ability directly perceived.
2, in the utility model, ultraviolet light video, visible light video and OSD text informations, panoramic picture are using being based on
The independent passage of timestamp carries out data flow acquisition, storage, and the display stage synchronizes fusion display by timestamp.
The display stage merges independent image data, the integrality of ultraviolet image and visible images is so advantageously ensured that, for subsequent
Tracking and big data analysis are superimposed independent OSD text informations in the display stage, can choose whether superposition, partial stack or
Be added to the different position of image, and a large amount of text informations is avoided to be added in image and have blocked too many picture, loses key images
Detailed information.
3, will treated ultraviolet image is transferred to visible light camera carries out panoramic mosaic and information fusion, when display is purple
Outer image is added to together with various data messages on visible images, can realize augmented reality discharge examination.
4, WIFI module is connected by internal SDIO Extended serial-bus, can realize that mobile phone is handed over ultraviolet imager information
Mutually, the resource using the powerful data-handling capacity of mobile phone, flexibly opened realizes intelligent secondary analysis in mobile phone, meanwhile, by
The 3G/4G radio channels of mobile phone, link with electric power operation platform.
5, GPS module is connected by internal bus and realizes automatic acquisition geographical location information and stored record, the warp of acquisition
Latitude information is superimposed upon video or photo, improves augmented reality.
6, it is right in real time while the utility model supports that online scanning is recorded compared with the ultraviolet imager of current industry
Scan image splices, and forms the ultraviolet augmented reality panoramic picture for being merged with panorama visible ray and being superimposed OSD text informations of panorama,
So as to promote the availability of imager, convenient for observation fault location and accident analysis.
7, the processing unit of the utility model uses the special-purpose imageprocessor of low-power consumption, and image procossing performance is strong, power consumption
It is low, stand-by time is long, the ultraviolet imager developed is small, improves portability.
Description of the drawings
Fig. 1 is the module map of common ultraviolet imager.
Fig. 2 is the system diagram of ultraviolet imager.
Fig. 3 is the flow chart of ultraviolet data processing.
Fig. 4 is the hardware composition schematic diagram of ultraviolet imager.
Fig. 5 is the peripheral hardware figure of ultraviolet imager.
Specific embodiment
In conjunction with attached drawing, the utility model is described in more detail.
The utility model proposes a kind of portable augmented reality ultraviolet imagery devices, and ultraviolet image is passed through form first
The removal discrete noise such as Digital Signal Processing, convergence ultraviolet image is in concentrating region of discharge, convenient for fault location.Due to ultraviolet
Image lacks details, and common SD CCD imagings still can not observe remote equipment contact point details, we are using wide dynamic
The acquisition of fine definition visible light video image and the ultraviolet cooperation of state, color texture-rich contribute to the tool of detection electric discharge corona
Body position and field device situation.In order to solve the problems, such as that the ultraviolet imagery visual field is very small, detection efficiency is low, imager is scanning
While recording, panoramic mosaic is carried out to the image of scanning in real time, forms big visual field panoramic picture.
Existing ultraviolet imager be all by ultraviolet image with OSD text informations have been superimposed after visual image fusion, then
Coding, picture crawl, playback display are compressed, can cause blocking for local video image since image co-registration is superimposed with OSD
With the loss of raw information, in order to ensure the integrality of ultraviolet image, visible images, OSD, we are by digital signal
The autonomous channel based on timestamp is respectively adopted with panorama visible images, OSD text informations in the panorama ultraviolet image of reason, carries out
Data flow acquisition, storage synchronize fusion by timestamp in the display stage and show panoramic picture, realize augmented reality failure
Detection function.
The image panorama of scanning is spliced in real time, promotes the availability of imager, improves detection efficiency, convenient for observing failure
Position details；By the ultraviolet image of Morphological scale-space, eliminate discrete noise, convergence ultraviolet image in concentrating region of discharge,
After being merged again with fine definition visible light video image, the position of electric discharge corona and the accuracy of detection of intensity are improved；It is showing
Stage merges independent image data, advantageously ensures that the integrality of ultraviolet image and visible images, convenient for tracking afterwards and
Big data analysis is superimposed independent OSD text informations in the display stage, can choose whether superposition, partial stack or is added to
The different position of image is unlikely to a large amount of text informations and is added in image to have blocked too many picture, loses key images details
Information.
The system diagram of the utility model is as shown in Fig. 2, incident ray is divided into two-way all the way by day blind purple by spectroscope
Outer filter, into ultraviolet light imaging passage, another way enters visual light imaging passage.Ultraviolet light projects to high definition by multiplier tube
CCD/CMOS imaging sensors form more bit images.Since ultraviolet imagery is individual bit information, by black in ultraviolet image
White pixel embodies discharge position, and the intensity of electric discharge is embodied by the distribution density of white pixel, thus need by more bit images into
Row binaryzation.In order to reduce the interference of noise, then Digital Signal Processing is carried out to ultraviolet image, it will that treated be ultraviolet without compressing
Image is sent to visible light camera by high-speed serial bus, and carrying out lossless ultraviolet image compression by visible light camera deposits
Storage；In addition visible ray passes through the HD video that image-forming module output information is enriched all the way.Finally in visible light camera in total
There are the data based on timestamp of three tunnel independences, be respectively ultraviolet image, visible images, OSD text informations, wherein ultraviolet figure
Picture and visible images can carry out real time scan panoramic mosaic, in the display stage by panorama ultraviolet image, panorama visible ray figure
Picture and OSD text informations are shown by timestamp synchronous fusion.Since fine definition visible light video image data volume is huge, because
This uses it independent high-performance lossy compression method, such as H.264/5 compresses.
The ultraviolet image flow chart of data processing flow of the utility model is as shown in figure 3, by ultraviolet lens and multiplier tube
Light exports ultraviolet image by imaging sensor, is implemented as by automatic exposure, automatic growth control, noise reduction module as pre-
Processing, then to ultraviolet image binaryzation, then by Digital Signal Processing removal discrete noise, convergence ultraviolet image is put in concentration
Electric region, by treated, ultraviolet image is transferred to visible light camera progress panoramic mosaic and information fusion, together with various numbers
According to being added on visible images, augmented reality discharge examination is realized.
The utility model hardware composition as shown in figure 4, mainly from spectroscope, day blind ultraviolet filter, ultraviolet lens,
Light microscopic head, visible light camera, ultraviolet video camera, LCD high-definition liquid crystals screen, SD card, lithium battery group into.Visible light camera, purple
The image device of outer video camera uses ultra-low illumination high-definition image sensor, and luminous sensitivity is high, axis information enriches.Video camera
Processing unit uses special-purpose imageprocessor, and technique is advanced, encapsulation volume is small, low in energy consumption, performance is strong, and the fusion treatment time is short.
Ultraviolet video camera in the utility model is responsible for ultraviolet imagery, binaryzation, Digital Signal Processing, ultraviolet image data
It sends.Visible light camera is responsible for panoramic mosaic, fusion treatment, text information OSD, compression, storage, man-machine dialogue system.It can
See that the expansible peripheral hardware of light video camera is very abundant, be supplied to the function that user is various, scalable.As shown in figure 5, visible ray
Video camera connects SD card by serial bus and realizes that visible images data store, can also be simultaneously lossless ultraviolet image number
According to, panoramic picture, blending image stored.WIFI module is connected by SDIO Extended serial-bus, mobile phone wireless is supported to connect
Connect portable augmented reality ultraviolet imager.Visible light camera extends USB user interfaces by usb bus, supports extrapolation U
Disk upload and downloading data communicate with host computer.Automatic acquisition geographical location information is realized by UART connections GPS module and is deposited
Storage record；User data input is realized by GPIO connections button；It is realized by I2C connections Temperature Humidity Sensor to ultraviolet imagery
The use environment detection of instrument；Detection positioning is realized by GPIO connections laser indicator lamp；Acoustic scene is realized by I2S connections audio
The acquisition and recording of sound；The image data and status information of equipment that LCD high-definition liquid crystals screens realizes fusion are connected by LCD interfaces
Display.
By described above, it can be seen that the utility model has following technical advantage：
1. the ultraviolet imagery visual field of ultraviolet imager is very small, such as (level × vertical visual field is 6 degree × 4.5 degree) application
In electric system detection efficiency is low, inconvenient, poor availability, it is difficult to determine abort situation, particularly individual equipment similitude is non-
Often high application in substations, it is difficult to position, the utility model carries out panoramic mosaic to scan image in real time, formed panorama it is ultraviolet with
Panorama visible ray, and panorama fusion is carried out, expand the instrument detection visual field, enhance visual fault location ability directly perceived.
2. ultraviolet light video, visible light video and OSD text informations, panoramic picture are used based on the independent of timestamp
Passage carries out data flow acquisition, storage, and the display stage synchronizes fusion display by timestamp.It is only in the fusion of display stage
Vertical image data advantageously ensures that the integrality of ultraviolet image and visible images, for tracking and big data analysis afterwards,
The display stage is superimposed independent OSD text informations, can choose whether the different positions of superposition, partial stack or the image that is added to
It puts, a large amount of text informations is avoided to be added in image and have blocked too many picture, lose key images detailed information.
3. flow chart of data processing is, ultraviolet image is exported by imaging sensor by the purple light of ultraviolet light camera lens, is passed through
Automatic exposure, automatic growth control, the image pre-processing module of noise reduction then to ultraviolet image binaryzation, then pass through number letter
Number processing removal discrete noise, convergence ultraviolet image, will treated that ultraviolet image is transferred to visible ray in concentrating region of discharge
Video camera carries out panoramic mosaic and information fusion, and ultraviolet image is added to visible images together with various data messages during display
On, realize augmented reality discharge examination.
4. ultraviolet imager connects WIFI module by internal SDIO Extended serial-bus, mobile phone and ultraviolet imager are realized
Information exchange, interaction include panoramic picture preview, playback of video files, grabgraf, configuration etc., utilize the powerful data processing of mobile phone
Ability, the resource flexibly opened realize intelligent secondary analysis in mobile phone, meanwhile, by the 3G/4G radio channels of mobile phone, with electricity
Power operation platform links.Mobile phone has the characteristics that easy care, easily upgrading, easily extension as standardized product.
5. ultraviolet imager connects the automatic acquisition geographical location information of GPS module realization by internal bus and stores note
Record, the latitude and longitude information of acquisition are superimposed upon video or photo, improve augmented reality.
In conclusion compared with the ultraviolet imager of current industry, while the utility model supports that online scanning is recorded,
Scan image is spliced in real time, it is complete to form the ultraviolet augmented reality that is merged with panorama visible ray and be superimposed OSD text informations of panorama
Scape image, so as to promote the availability of imager, convenient for observation fault location and accident analysis.Ultraviolet image passes through digital signal
Processing removal discrete noise, convergence ultraviolet image after being merged with visible ray, help to improve electric discharge corona in concentrating region of discharge
Position and intensity accuracy of detection.Ultraviolet light video, visible light video and OSD text informations, spliced panoramic image etc. are adopted
With the independent passage based on timestamp, data flow acquisition, storage are carried out, the display stage synchronizes fusion by timestamp and shows
Show, advantageously ensure that the integrality of ultraviolet image and visible images, for tracking and big data analysis afterwards, folded in the display stage
Add independent OSD text informations, can choose whether the different position of superposition, partial stack or the image that is added to, avoid a large amount of
Text information, which is added in image, has blocked too many picture, loses key images detailed information.In addition, taking the photograph in the utility model
Camera processing unit uses special-purpose imageprocessor, technique is advanced, encapsulation volume is small, it is low in energy consumption, feature-rich, expansible it is strong,
Easily upgrading, the fusion treatment time is short, therefore the ultraviolet imager developed is small, low in energy consumption, stand-by time is long, carrying side
Just, it is suitble to outdoor use for a long time.
Claims (9)
1. a kind of portable augmented reality ultraviolet imagery system, including ultraviolet light imaging passage and visual light imaging passage, enters
It penetrates light and is divided into two-way by spectroscope, all the way by day blind ultraviolet filter, into ultraviolet light imaging passage, another way enters can
See light imaging band, which is characterized in that ultraviolet light is projected to high definition CCD/CMOS imaging sensors and formed by multiplier tube to be compared more
Special image again carries out ultraviolet image morphology Digital Signal Processing after more bit images are carried out binaryzation and is transferred to visible
Light video camera carries out lossless ultraviolet image compression storage by the latter；In addition visible ray exports high-resolution by image-forming module all the way
Visible light video image is spent, the data based on timestamp of three tunnel independences are formed in visible light camera, is respectively ultraviolet figure
It is complete that picture, visible light video image, OSD text informations, wherein ultraviolet image and visible light video image can carry out real time scan
Scape splices, and panorama ultraviolet image, panorama visible images and OSD text informations are passed through timestamp synchronous fusion in the display stage
Display.
2. portable augmented reality ultraviolet imagery system according to claim 1, it is characterised in that by more bit images
Automatic exposure, automatic growth control, the image preprocessing of noise reduction can be first passed through before carrying out binary conversion treatment.
3. portable augmented reality ultraviolet imagery system according to claim 1, it is characterised in that the morphology number
Ultraviolet image signal after word signal processing is to be sent to visible light camera by high-speed serial bus.
4. portable augmented reality ultraviolet imagery system according to claim 1, it is characterised in that can be to the height
Clarity visible light video image carries out independent high-performance lossy compression method.
5. portable augmented reality ultraviolet imagery system according to claim 4, it is characterised in that the compression can be with
Using H.264/5 mode.
6. portable augmented reality ultraviolet imagery system according to claim 1, it is characterised in that the ultraviolet imagery
System can connect WIFI module by internal SDIO Extended serial-bus, to realize the increasing of mobile equipment and ultraviolet imager
Strong intellectual analysis and information exchange.
7. portable augmented reality ultraviolet imagery system according to claim 6, it is characterised in that described information interacts
Including panoramic picture preview, playback of video files, grabgraf, configuration.
8. portable augmented reality ultraviolet imagery system according to claim 1, it is characterised in that the ultraviolet imagery
System can connect GPS, humiture module by internal bus, realize automatic acquisition geographical location information and environment sensing information
And stored record, the information of acquisition can be superimposed upon on video or photo to improve augmented reality.
9. portable augmented reality ultraviolet imagery system according to claim 1, it is characterised in that the real time scan
Panoramic mosaic is to carry out online panoramic mosaic to scan image, and it is ultraviolet with panorama visible ray to form panorama, and carries out panorama fusion,
Expand the instrument detection visual field, enhance visual fault location ability directly perceived.
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| CN111915832A (en) * | 2020-06-23 | 2020-11-10 | 国网浙江嵊州市供电有限公司 | Transmission line forest fire monitoring device and method for avoiding infrared false alarm |
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| CN111915832A (en) * | 2020-06-23 | 2020-11-10 | 国网浙江嵊州市供电有限公司 | Transmission line forest fire monitoring device and method for avoiding infrared false alarm |
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