CN109769093A - The instant judgment method of light variable quantity - Google Patents
The instant judgment method of light variable quantity Download PDFInfo
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- CN109769093A CN109769093A CN201810894997.8A CN201810894997A CN109769093A CN 109769093 A CN109769093 A CN 109769093A CN 201810894997 A CN201810894997 A CN 201810894997A CN 109769093 A CN109769093 A CN 109769093A
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- 238000000034 method Methods 0.000 title claims abstract description 27
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- 238000001914 filtration Methods 0.000 claims description 33
- 238000012545 processing Methods 0.000 claims description 13
- 210000001367 artery Anatomy 0.000 claims description 5
- 210000003462 vein Anatomy 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000010191 image analysis Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
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- 230000005764 inhibitory process Effects 0.000 description 1
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Abstract
The present invention relates to a kind of instant judgment methods of light variable quantity, this method includes running a kind of light variable quantity to judge that system to judge light variable quantity immediately immediately, the light variable quantity judges that system includes: light level equipment immediately, the side of curtain is set, for incuding the brightness of currently playing image on curtain, to obtain and export broadcasting light luminance, the curtain is used to provide medium for image broadcasting；Environment measuring equipment is arranged far from the side of curtain, for incuding to the ambient brightness far from curtain, to obtain simultaneously output environment light luminance；Variable quantity extract equipment, it is connect respectively with the light level equipment and the environment measuring equipment, for receiving the broadcasting light luminance and the ambient brightness, take absolute value after the amplitude for playing light luminance is made difference with the amplitude of the ambient brightness to obtain corresponding light variable quantity.
Description
Technical field
The present invention relates to computer field more particularly to a kind of instant judgment methods of light variable quantity.
Background technique
Light luminance detection can measure brightness, coloration, colour temperature cielab, cieluv, color difference etc., and there are 4 angle measurements
It can switch.It is applicable to need the measurement occasion in the low-light level field of small range measurement angle (0.1 °/0.2 °), if making long distance
Host is separately measured with inductor from optional extended line is measured.Light luminance sensor apparatus adds keyboard (apolegamy) can
Make multiple functions use, including input color coefficient and luminance deviation.
In addition, can also in a computer progress brightness data detection, storage, analysis, printing, light luminance detection exists
Illuminating engineering, film and TV, building etc. have relatively broad application in fields.
Summary of the invention
In order to solve technical problem, the present invention provides a kind of instant judgment methods of light variable quantity.
Wherein, the present invention at least has the important inventive point of following two:
(1) characteristic at the time of at the time of utilizing light variable quantity maximum for people's object complexity highest, will occupy in image
The maximum personage of area is determined as the currently playing image corresponding scene age corresponding personage's age, improves age detection
Validity saves the operand of image procossing；
(2) impulse disturbances in image and interference of pulsing are identified respectively, it is each in described image to obtain respectively
Each pulsation interference signal in a pulse interference signal and described image, to the amplitude of above-mentioned interference signal be compared with for
The filtering mechanism that described image selection is adapted with picture material, to prevent image filtering to be lack of pertinence.
According to an aspect of the present invention, a kind of instant judgment method of light variable quantity is provided, this method includes running one kind
Light variable quantity judges system to judge that light variable quantity, the light variable quantity judge that system includes: light immediately immediately immediately
The side of curtain is arranged in line sensing equipment, for incuding the brightness of currently playing image on curtain, to obtain and export broadcasting
Light luminance, the curtain are used to provide medium for image broadcasting；Environment measuring equipment is arranged far from the side of curtain, uses
Incude in the ambient brightness far from curtain, to obtain simultaneously output environment light luminance.
More specifically, in the light variable quantity immediately judgement system, further includes:
Variable quantity extract equipment is connect, for receiving respectively with the light level equipment and the environment measuring equipment
The broadcasting light luminance and the ambient brightness, by the amplitude and the ambient brightness for playing light luminance
Amplitude make difference after take absolute value to obtain corresponding light variable quantity；State controlling equipment is arranged, with institute in face of the curtain
The connection of variable quantity extract equipment is stated, is more than variable quantity threshold value for receiving the light variable quantity, and in the light variable quantity
When, into Image Acquisition state, to carry out data acquisition to the curtain to obtain corresponding curtain image and the state
Equipment is controlled when the light variable quantity is less than variable quantity threshold value, into stop working state.
More specifically, in the light variable quantity immediately judgement system, further includes:
Image analysis equipment is connect with the state controlling equipment, for receiving the curtain image, to the curtain figure
Impulse disturbances and pulsation interference as in are identified respectively, to obtain the letter of each impulse disturbances in the curtain image respectively
Number and the curtain image in each pulsation interference signal.
More specifically, in the light variable quantity immediately judgement system, further includes:
Reference value extract equipment is connect with described image analytical equipment, for receiving each arteries and veins in the curtain image
Each pulsation interference signal in interference signal and the curtain image is rushed, and determines that each pulse in the curtain image is dry
Maximum value in each amplitude of signal is disturbed using as impulse disturbances reference value, and determines each arteries and veins in the curtain image
Maximum value in each amplitude of dynamic interference signal is to interfere reference value as pulsation；Switch device, with the reference value
Extract equipment connection, for issuing the first touching when the impulse disturbances reference value is more than or equal to pulsation interference reference value
It signals, and is also used to issue the second triggering letter when the impulse disturbances reference value is less than pulsation interference reference value
Number；Pulse eliminating equipment is connect with described image analytical equipment and the switch device respectively, for receive it is described
When the first trigger signal, start the following processing to each pixel in the curtain image: will be every in the curtain image
One pixel determines the face for executing the filter window of median filtering based on the impulse disturbances reference value as processing pixel
Product is filtered using pixel value of the filter window to the processing pixel；The pulse eliminating equipment is also used
The filtering processing result of the pixel value of each pixel exports corresponding first filtering image in based on the curtain image；
It pulses eliminating equipment, is connect respectively with described image analytical equipment and the switch device, for receiving described the
When one trigger signal, start and the weighted mean filter of the curtain image is handled, to obtain and export corresponding second filtering
Image；Image sink devices are connect with the pulse eliminating equipment and the pulsation eliminating equipment respectively, are used for described first
Filtering image or second filtering image, and using first filtering image or second filtering image as the curtain
Image is corresponding to collect image output；Power supply equipment, respectively with the switch device, the pulse eliminating equipment and
The pulsation eliminating equipment connection；Image block equipment is connect with described image sink devices, described collects figure for receiving
Picture, for carrying out personage's identification to the image that collects, to obtain one or more personage's piecemeals, the wheel of each personage's piecemeal
The profile of its corresponding who object for including of exterior feature；Finery acquire equipment, connect with described image piecemeal equipment, described for receiving
One or more personage's piecemeals carry out the identification of finery age to each personage's piecemeal based on each preset reference finery pattern,
To obtain corresponding personage's age, and by the corresponding personage of the maximum personage's piecemeal of area in one or more of personage's piecemeals
Age is determined as the corresponding scene age of currently playing image on curtain；Wherein, the power supply equipment receive it is described
When the first trigger signal, control the pulse eliminating equipment to make it into operational mode, control the pulsation eliminating equipment with
Make it into suspend mode.
More specifically, in the light variable quantity immediately judgement system: the power supply equipment receive it is described
When the second trigger signal, control the pulsation eliminating equipment to make it into operational mode, control the pulse eliminating equipment with
Make it into suspend mode.
More specifically, in the light variable quantity immediately judgement system: in the pulse eliminating equipment, the pulse
Interfere reference value bigger, the area of the filter window of the execution median filtering determined is bigger.
More specifically, in the light variable quantity immediately judgement system: in the state controlling equipment, in the figure
As the power consumption under acquisition state is greater than the power consumption under the stop working state.
More specifically, in the light variable quantity immediately judgement system: in the state controlling equipment, the variation
Amount threshold value is a positive value.
More specifically, in the light variable quantity immediately judgement system: the variable quantity extract equipment includes proximal end indigo plant
Tooth interface, the light level equipment include distal end blue tooth interface, and the proximal end blue tooth interface passes through two-way bluetooth communications link
It is connect with the distal end blue tooth interface.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the knot for judging the state controlling equipment of system immediately according to the light variable quantity shown in embodiment of the present invention
Structure schematic diagram.
Specific embodiment
Embodiment of the present invention is described in detail below with reference to accompanying drawings.
After determining the flux of testee, instrument luminosity usually is converted by flux.Then, the measurement is by with certain sides
Formula calibration.Using which kind of calibrating mode, depend in part on progress is what kind of brightness measuring.In general, observed result is pressed
Photograph to or difference brightness measuring method handle.Relative luminance measuring method is used to measure the opposite apparent magnitude between multiple objects.
Absolute brightness measuring method is used to measure the brightness etc. of an object in the photometric system of a standard；These measurements
As a result it can be compared from the other absolute brightness measurement results obtained by different telescopes or instrument.Difference brightness is surveyed
Determine method to be used to measure the luminance difference between two objects.In most cases, difference brightness measuring method can accomplish highest
Precision, and absolute brightness measuring method is most difficult to accomplish high-precision.
In order to overcome above-mentioned deficiency, the present invention builds a kind of instant judgment method of light variable quantity, and this method includes operation
A kind of light variable quantity judges that system to judge light variable quantity immediately immediately.The light variable quantity judges that system can immediately
Effectively solve corresponding technical problem.
Fig. 1 is the knot for judging the state controlling equipment of system immediately according to the light variable quantity shown in embodiment of the present invention
Structure schematic diagram.
The light variable quantity shown according to an embodiment of the present invention judges that system includes: immediately
The side of curtain is arranged in light level equipment, for incuding the brightness of currently playing image on curtain, to obtain
And broadcasting light luminance is exported, the curtain is used to provide medium for image broadcasting；
Environment measuring equipment is arranged far from the side of curtain, for feeling to the ambient brightness far from curtain
It answers, to obtain simultaneously output environment light luminance.
Then, continue to judge that the specific structure of system is further detailed immediately to light variable quantity of the invention.
In the light variable quantity immediately judgement system, further includes:
Variable quantity extract equipment is connect, for receiving respectively with the light level equipment and the environment measuring equipment
The broadcasting light luminance and the ambient brightness, by the amplitude and the ambient brightness for playing light luminance
Amplitude make difference after take absolute value to obtain corresponding light variable quantity；
State controlling equipment is arranged in face of the curtain, connect with the variable quantity extract equipment, for receiving the light
Line variable quantity, and when the light variable quantity is more than variable quantity threshold value, into Image Acquisition state, to be carried out to the curtain
Data acquisition is less than variable quantity to obtain corresponding curtain image and the state controlling equipment in the light variable quantity
When threshold value, into stop working state.
In the light variable quantity immediately judgement system, further includes:
Image analysis equipment is connect with the state controlling equipment, for receiving the curtain image, to the curtain figure
Impulse disturbances and pulsation interference as in are identified respectively, to obtain the letter of each impulse disturbances in the curtain image respectively
Number and the curtain image in each pulsation interference signal.
In the light variable quantity immediately judgement system, further includes:
Reference value extract equipment is connect with described image analytical equipment, for receiving each arteries and veins in the curtain image
Each pulsation interference signal in interference signal and the curtain image is rushed, and determines that each pulse in the curtain image is dry
Maximum value in each amplitude of signal is disturbed using as impulse disturbances reference value, and determines each arteries and veins in the curtain image
Maximum value in each amplitude of dynamic interference signal is to interfere reference value as pulsation；
Switch device is connect with the reference value extract equipment, be used to be greater than in the impulse disturbances reference value etc.
When reference value is interfered in the pulsation, the first trigger signal is issued, and is also used to be less than institute in the impulse disturbances reference value
When stating pulsation interference reference value, the second trigger signal is issued；
Pulse eliminating equipment is connect with described image analytical equipment and the switch device respectively, for receiving
When to first trigger signal, start the following processing to each pixel in the curtain image: by the curtain figure
Each pixel determines the spectral window for executing median filtering based on the impulse disturbances reference value as processing pixel as in
The area of mouth is filtered using pixel value of the filter window to the processing pixel；The pulse removal is set
Standby corresponding first filter of filtering processing result output being also used to based on the pixel value of each pixel in the curtain image
Wave image；
Pulsation eliminating equipment, connect, for receiving respectively with described image analytical equipment and the switch device
When to first trigger signal, starts and the weighted mean filter of the curtain image is handled, it is corresponding to obtain and export
Second filtering image；
Image sink devices are connect with the pulse eliminating equipment and the pulsation eliminating equipment respectively, and being used for will be described
First filtering image or second filtering image, and using first filtering image or second filtering image as described in
Curtain image is corresponding to collect image output；
Power supply equipment is set with the switch device, the pulse eliminating equipment and the pulsation removal respectively
Standby connection；
Image block equipment is connect with described image sink devices, for receive it is described collect image, for the remittance
Collect image and carry out personage's identification, to obtain one or more personage's piecemeals, the profile of each personage's piecemeal corresponds to what it included
The profile of who object；
Finery acquire equipment, connect with described image piecemeal equipment, for receiving one or more of personage's piecemeals, base
The identification of finery age is carried out to each personage's piecemeal in each preset reference finery pattern, to obtain corresponding personage's age,
And the maximum personage's piecemeal of area corresponding personage's age in one or more of personage's piecemeals is determined as on curtain currently
Play the image corresponding scene age；
Wherein, the power supply equipment controls the pulse eliminating equipment when receiving first trigger signal
To make it into operational mode, the pulsation eliminating equipment is controlled to make it into suspend mode.
In the light variable quantity immediately judgement system: the power supply equipment is receiving the second triggering letter
Number when, control the pulsation eliminating equipment to make it into operational mode, control the pulse eliminating equipment to make it into not
Sleep mode.
In the light variable quantity immediately judgement system: in the pulse eliminating equipment, the impulse disturbances reference
The area for being worth the filter window of bigger, determining execution median filtering is bigger.
In the light variable quantity immediately judgement system: in the state controlling equipment, acquiring shape in described image
Power consumption under state is greater than the power consumption under the stop working state.
In the light variable quantity immediately judgement system: in the state controlling equipment, the variable quantity threshold value is
One positive value.
In the light variable quantity immediately judgement system: the variable quantity extract equipment includes proximal end blue tooth interface, institute
Stating light level equipment includes distal end blue tooth interface, and the proximal end blue tooth interface passes through two-way bluetooth communications link and the distal end
Blue tooth interface connection.
In addition, in the light variable quantity immediately judgement system: in the median filtering that the pulse eliminating equipment uses,
The noise of target image is inhibited under conditions of retaining image minutia as far as possible, is indispensable in image preprocessing
Few operation, the quality for the treatment of effect will directly influence the validity and reliability of subsequent image processing and analysis.
Not perfect due to imaging system, transmission medium and recording equipment etc., digital picture formed at it, transmission log mistake
The often pollution by a variety of noises in journey.In addition, certain links in image procossing when the picture object inputted and are not so good as pre-
Also noise can be introduced when thinking in result images.These noises often show as one on the image and cause the isolated of stronger visual effect
Pixel or block of pixels.Generally, noise signal it is uncorrelated to the object to be studied it occur with useless message form, upset figure
The observable information of picture.For data image signal, psophometer is either large or small extreme value, these extreme values are acted on by plus-minus
On the true gray value of image pixel, cause bright, dim spot to interfere image, greatly reduce picture quality, influence image restoration,
The progress of the subsequent work such as segmentation, feature extraction, image recognition.The filter for constructing a kind of effectively inhibition noise must be taken into consideration
Two basic problems: the noise that can be effectively removed in target and background；Meanwhile can protect well image object shape,
Size and specific geometry and topological features.
One of common image filtering mode is nonlinear filter, it is, in general, that when signal spectrum and noise frequency
When composing aliasing or such as the noise as caused by mission nonlinear or there are non-gaussian to make an uproar when containing nonadditivity noise in signal
Sound etc.), traditional linear filter technology, if Fourier converts, while filtering out noise, always blurred picture is thin in some way
Section (such as edge) and then the extraction property reduction for leading to the positioning accuracy and feature as linear character.And nonlinear filter is
Based on a kind of Nonlinear Mapping relationship to input signal, often a certain specific noise approximatively can be mapped as zero and retained
Signal wants feature, thus it can overcome the shortcoming of linear filter to a certain extent.
System is judged using light variable quantity of the invention immediately, is difficult to for ferry-boat vehicle in the prior art completely electronic
The technical issues of changing scheduling, characteristic at the time of at the time of by using light variable quantity maximum for people's object complexity highest, will
The maximum personage of footprint area is determined as the currently playing image corresponding scene age corresponding personage's age in image, improves
The validity of age detection, saves the operand of image procossing；It is particularly critical, to the impulse disturbances and pulsation in image
Interference is identified respectively, to obtain each pulse interference signal in described image and each pulsation in described image respectively
Interference signal is compared the filtering machine to be adapted for described image selection with picture material to the amplitude of above-mentioned interference signal
System, to prevent image filtering to be lack of pertinence, to solve above-mentioned technical problem.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (9)
1. a kind of instant judgment method of light variable quantity, this method includes running a kind of light variable quantity to judge system come i.e. immediately
When judge light variable quantity, which is characterized in that the light variable quantity judges that system includes: immediately
The side of curtain is arranged in light level equipment, for incuding the brightness of currently playing image on curtain, with obtain and it is defeated
Light luminance is played out, and the curtain is used to provide medium for image broadcasting；
Environment measuring equipment is arranged far from the side of curtain, for incuding to the ambient brightness far from curtain, with
Obtain simultaneously output environment light luminance.
2. the method as described in claim 1, which is characterized in that the system also includes:
Variable quantity extract equipment is connect with the light level equipment and the environment measuring equipment respectively, described for receiving
Light luminance and the ambient brightness are played, by the width of the amplitude for playing light luminance and the ambient brightness
Value takes absolute value after making difference to obtain corresponding light variable quantity；
State controlling equipment is arranged in face of the curtain, connect with the variable quantity extract equipment, becomes for receiving the light
Change amount, and when the light variable quantity is more than variable quantity threshold value, into Image Acquisition state, to carry out data to the curtain
Acquisition is less than variable quantity threshold value to obtain corresponding curtain image and the state controlling equipment in the light variable quantity
When, into stop working state.
3. method according to claim 2, which is characterized in that the system also includes:
Image analysis equipment is connect with the state controlling equipment, for receiving the curtain image, in the curtain image
Impulse disturbances and pulsation interference identified respectively, with obtain respectively each pulse interference signal in the curtain image and
Each pulsation interference signal in the curtain image.
4. method as claimed in claim 3, which is characterized in that the system also includes:
Reference value extract equipment is connect with described image analytical equipment, dry for receiving each pulse in the curtain image
Each pulsation interference signal in signal and the curtain image is disturbed, and determines each impulse disturbances letter in the curtain image
Number each amplitude in maximum value using as impulse disturbances reference value, and determine that each pulsation in the curtain image is dry
The maximum value in each amplitude of signal is disturbed to interfere reference value as pulsation；
Switch device is connect with the reference value extract equipment, for being more than or equal to institute in the impulse disturbances reference value
When stating pulsation interference reference value, the first trigger signal is issued, and is also used to be less than the arteries and veins in the impulse disturbances reference value
When dynamic interference reference value, the second trigger signal is issued；
Pulse eliminating equipment is connect, for receiving respectively with described image analytical equipment and the switch device
When stating the first trigger signal, start the following processing to each pixel in the curtain image: will be in the curtain image
Each pixel determines the filter window for executing median filtering based on the impulse disturbances reference value as processing pixel
Area is filtered using pixel value of the filter window to the processing pixel；The pulse eliminating equipment is also
For the corresponding first filtering figure of filtering processing result output based on the pixel value of each pixel in the curtain image
Picture；
Pulsation eliminating equipment, connect, for receiving respectively with described image analytical equipment and the switch device
When stating the first trigger signal, starts and the weighted mean filter of the curtain image is handled, to obtain and export corresponding second
Filtering image；
Image sink devices are connect with the pulse eliminating equipment and the pulsation eliminating equipment respectively, are used for described first
Filtering image or second filtering image, and using first filtering image or second filtering image as the curtain
Image is corresponding to collect image output；
Power supply equipment connects with the switch device, the pulse eliminating equipment and the pulsation eliminating equipment respectively
It connects；
Image block equipment is connect with described image sink devices, for receive it is described collect image, for collecting figure to described
As carrying out personage's identification, to obtain one or more personage's piecemeals, the profile of each personage's piecemeal corresponds to its personage for including
The profile of object；
Finery acquire equipment, connect with described image piecemeal equipment, for receiving one or more of personage's piecemeals, based on each
A preset reference finery pattern carries out the identification of finery age to each personage's piecemeal, to obtain corresponding personage's age, and will
The maximum personage's piecemeal of area corresponding personage's age is determined as currently playing on curtain in one or more of personage's piecemeals
The image corresponding scene age；
Wherein, the power supply equipment is when receiving first trigger signal, control the pulse eliminating equipment so that
It enters operational mode, controls the pulsation eliminating equipment to make it into suspend mode.
5. method as claimed in claim 4, it is characterised in that:
The power supply equipment controls the pulsation eliminating equipment when receiving second trigger signal to make it into
Operational mode controls the pulse eliminating equipment to make it into suspend mode.
6. method as claimed in claim 5, it is characterised in that:
In the pulse eliminating equipment, the impulse disturbances reference value is bigger, the filter window of the execution median filtering determined
Area it is bigger.
7. method as claimed in claim 6, it is characterised in that:
In the state controlling equipment, it is greater than under the stop working state in the power consumption under described image acquisition state
Power consumption.
8. the method for claim 7, it is characterised in that:
In the state controlling equipment, the variable quantity threshold value is a positive value.
9. the method as described in claim 5-8 is any, it is characterised in that:
The variable quantity extract equipment includes proximal end blue tooth interface, and the light level equipment includes distal end blue tooth interface, described
Proximal end blue tooth interface is connect by two-way bluetooth communications link with the distal end blue tooth interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894997.8A CN109769093B (en) | 2018-08-08 | 2018-08-08 | Light variation instant judgment system |
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|---|---|---|---|
| CN201810894997.8A CN109769093B (en) | 2018-08-08 | 2018-08-08 | Light variation instant judgment system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103546675A (en) * | 2012-07-16 | 2014-01-29 | 联想(北京)有限公司 | Brightness adjustment method and electronic equipment |
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| CN106162077A (en) * | 2016-06-27 | 2016-11-23 | 石鹏 | IN service based on the Internet management system |
| US20170277028A1 (en) * | 2014-09-15 | 2017-09-28 | Hewlett-Packard Development Company, L.P. | Digital light projector having invisible light channel |
| CN107547832A (en) * | 2016-06-27 | 2018-01-05 | 石鹏 | IN service management system based on internet |
| CN107545211A (en) * | 2016-06-27 | 2018-01-05 | 石媛 | High in the clouds data handling system |
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- 2018-08-08 CN CN201810894997.8A patent/CN109769093B/en active Active
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|---|---|---|---|---|
| CN103546675A (en) * | 2012-07-16 | 2014-01-29 | 联想(北京)有限公司 | Brightness adjustment method and electronic equipment |
| US20170277028A1 (en) * | 2014-09-15 | 2017-09-28 | Hewlett-Packard Development Company, L.P. | Digital light projector having invisible light channel |
| CN105868748A (en) * | 2016-06-27 | 2016-08-17 | 张华华 | Data service platform on basis of cloud processing |
| CN106162077A (en) * | 2016-06-27 | 2016-11-23 | 石鹏 | IN service based on the Internet management system |
| CN107547832A (en) * | 2016-06-27 | 2018-01-05 | 石鹏 | IN service management system based on internet |
| CN107545211A (en) * | 2016-06-27 | 2018-01-05 | 石媛 | High in the clouds data handling system |
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