CN106370398B - Flash lamp acceptance method and device - Google Patents
Flash lamp acceptance method and device Download PDFInfo
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- CN106370398B CN106370398B CN201610848730.6A CN201610848730A CN106370398B CN 106370398 B CN106370398 B CN 106370398B CN 201610848730 A CN201610848730 A CN 201610848730A CN 106370398 B CN106370398 B CN 106370398B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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Abstract
The disclosure is directed to a kind of flash lamp acceptance method and devices.This method comprises: according to selected standard sources in r/g-b/g coordinate system position and preset error range determine the flash lamp qualification region in chrominance space coordinate system, wherein, the region that position of the selected standard sources in r/g-b/g coordinate system and preset error range are formed is the region that the white balance algorithm of terminal device can be restored correctly, if flash lamp is located in flash lamp qualification region in the position in chrominance space coordinate system, then determine that flash lamp is qualified flash lamp, it realizes when determining the flash lamp qualification region in chrominance space coordinate system, consider the region that the white balance algorithm of terminal device can be restored correctly, the flash lamp checked and accepted using this kind of method, when being installed on terminal device, it can guarantee the consistency of colour of the picture of terminal device shooting, to, improve user Experience.
Description
Technical field
This disclosure relates to computer technology more particularly to a kind of flash lamp acceptance method and device.
Background technique
With the development of the communication technology and terminal device, more and more users select using terminal equipment to carry out photo
Shooting.When shooting in dark situation, in order to reach effect of preferably taking pictures, the flash lamp on opening terminal apparatus is needed to carry out lamp
Light supplement.But the flash lamp of different parameters can generate different influences to the process of taking pictures, and finally, lead to the photo shot
Color it is variant.In order to guarantee in dark situation, the consistency that the terminal device of same batch production is taken pictures is needed to flash of light
The parameter of lamp is defined.Therefore, in actual production, how to determine whether flash lamp is that qualified flash lamp is extremely important.
In the related technology, it can be carried out an acceptance inspection by defining a reference color temperature to flash lamp.For example, if it is desired to choosing
Taking colour temperature is the white lamp of 5500 Kelvins (K), and definition error range is 500K, then sudden strain of a muscle of the colour temperature between 5000K-6000K
Light lamp is all qualified flash lamp.
Summary of the invention
To overcome the problems in correlation technique, the disclosure provides a kind of flash lamp acceptance method and device.
According to the first aspect of the embodiments of the present disclosure, a kind of flash lamp acceptance method is provided, comprising:
Coloration sky is determined according to position of the selected standard sources in r/g-b/g coordinate system and preset error range
Between flash lamp qualification region in coordinate system；Wherein, position of the selected standard sources in the r/g-b/g coordinate system
The region that the region formed with preset error range can correctly restore for the white balance algorithm of terminal device；
If flash lamp is located in flash lamp qualification region in the position in chrominance space coordinate system, it is determined that the sudden strain of a muscle
Light lamp is qualified flash lamp.
With reference to first aspect, in the first possible implementation of the first aspect, the selected standard light of the basis
Source in r/g-b/g coordinate system position and preset error range determine the flash lamp qualification area in chrominance space coordinate system
Before domain, the method also includes:
The preset error model is determined according to position of the selected standard sources in the r/g-b/g coordinate system
It encloses.
The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect
In, it is described that the preset error model is determined according to position of the selected standard sources in the r/g-b/g coordinate system
It encloses and includes:
Choose flash lamp test zone of the flash lamp color difference in preset threshold in the chrominance space coordinate system；
It determines the flash lamp for the central point being located in the flash lamp test zone and is located at the flash lamp test section
The flash lamp on four vertex in domain；
The flash lamp of the flash lamp and four vertex that determine the central point is in the r/g-b/g coordinate system
Position；
If the position of the flash lamp of the central point is overlapped with the position of the selected standard sources, according to described four
A vertex is in position of the flash lamp in the r/g-b/g coordinate system and the selected standard sources in the r/g-b/g
Position in coordinate system determines the preset error range.
The possible implementation of second with reference to first aspect, in the third possible implementation of first aspect
In, the method also includes:
If the position of the flash lamp of the central point is not overlapped with the position of the selected standard sources, readjust
The flash lamp test zone obtains updated flash lamp test zone, until the updated flash lamp test zone
In position of the flash lamp in the r/g-b/g coordinate system of central point be overlapped with the position of the selected standard sources；
Determine position of the flash lamp on four vertex in updated flash lamp test zone in the r/g-b/g coordinate system
It sets；
According to the flash lamp on four vertex in the updated flash lamp test zone in the r/g-b/g coordinate system
Position in the r/g-b/g coordinate system of position and the selected standard sources determine the preset error model
It encloses.
With reference to first aspect or the first possible implementation of first aspect to first aspect the third is possible
Any possible implementation in implementation, in the 4th kind of possible implementation of first aspect, the method is also
Include:
If position of the flash lamp in the chrominance space coordinate system exceeds flash lamp qualification region, it is determined that
The flash lamp is unqualified flash lamp.
With reference to first aspect or the first possible implementation of first aspect to first aspect the third is possible
Any possible implementation in implementation, it is described according to choosing in the 5th kind of possible implementation of first aspect
Fixed standard sources in r/g-b/g coordinate system position and preset error range determine the sudden strain of a muscle in chrominance space coordinate system
Light lamp qualification region, comprising:
According to position of the selected standard sources in the r/g-b/g coordinate system and the preset error model
Enclose the flash lamp qualification region determined in the r/g-b/g coordinate system；
The flash lamp qualification region in the r/g-b/g coordinate system is converted into the coloration according to coordinate system transformation method
In space coordinates, the flash lamp qualification region in the chrominance space coordinate system is determined.
According to the second aspect of an embodiment of the present disclosure, a kind of flash lamp examination device is provided, comprising:
First determining module is configured as position according to selected standard sources in r/g-b/g coordinate system and pre-
If error range determine the flash lamp qualification region in chrominance space coordinate system；Wherein, the selected standard sources is in institute
It is correct to state the white balance algorithm energy that the region that position and preset error range in r/g-b/g coordinate system are formed is terminal device
The region of reduction；
Second determining module is configured as being located at flash lamp conjunction when position of the flash lamp in chrominance space coordinate system
When in lattice region, determine the flash lamp for qualified flash lamp.
In conjunction with second aspect, in the first possible implementation of the second aspect, described device further include:
Third determining module is configured as the position according to the selected standard sources in the r/g-b/g coordinate system
It sets and determines the preset error range.
In conjunction with the first possible implementation of second aspect, in second of possible implementation of second aspect
In, the third determining module includes:
Submodule is chosen, is configured as choosing in the chrominance space coordinate system flash lamp color difference in preset threshold
Flash lamp test zone；
First determine submodule, be configured to determine that the flash lamp of the central point in the flash lamp test zone with
And the flash lamp positioned at four vertex of the flash lamp test zone；
Second determines submodule, is configured to determine that the flash lamp of the central point and the flash lamp on four vertex
Position in the r/g-b/g coordinate system；
Third determines submodule, is configured as position and the selected standard sources when the flash lamp of the central point
Position when being overlapped, according to four vertex in position of the flash lamp in the r/g-b/g coordinate system and described selected
Position of the standard sources in the r/g-b/g coordinate system determine the preset error range.
In conjunction with second of possible implementation of second aspect, in the third possible implementation of second aspect
In, described device further include:
Module is obtained, the position when the flash lamp of the central point and the position of the selected standard sources are configured as
When not being overlapped, the flash lamp test zone is readjusted, obtains updated flash lamp test zone, until after the update
Flash lamp test zone in central point position of the flash lamp in the r/g-b/g coordinate system and the selected standard
The position of light source is overlapped；
4th determining module is configured to determine that the flash lamp on four vertex in updated flash lamp test zone in institute
State the position in r/g-b/g coordinate system；
5th determining module is configured as the flash lamp according to four vertex in the updated flash lamp test zone
In the position of position and the selected standard sources in the r/g-b/g coordinate system in the r/g-b/g coordinate system
Determine the preset error range.
The third in conjunction with the possible implementation of the first of second aspect or second aspect to second aspect is possible
Any possible implementation in implementation, in the fourth possible implementation of the second aspect, described device
Further include:
6th determining module is configured as when position of the flash lamp in chrominance space coordinate system is beyond the flash of light
When lamp qualification region, determine that the flash lamp is unqualified flash lamp.
The third in conjunction with the possible implementation of the first of second aspect or second aspect to second aspect is possible
Any possible implementation in implementation, in a fifth possible implementation of the second aspect, described first
Determining module includes:
It determines submodule, is configured as the position according to the selected standard sources in the r/g-b/g coordinate system
And the preset error range determines the flash lamp qualification region in the r/g-b/g coordinate system；
Transformation submodule is configured as being closed the flash lamp in the r/g-b/g coordinate system according to coordinate system transformation method
Lattice region is converted into the chrominance space coordinate system, determines the flash lamp qualification region in the chrominance space coordinate system.
According to the third aspect of an embodiment of the present disclosure, a kind of flash lamp examination device is provided, comprising:
Processor；
For storing the memory of the processor-executable instruction；
Wherein, the processor is configured to:
Coloration sky is determined according to position of the selected standard sources in r/g-b/g coordinate system and preset error range
Between flash lamp qualification region in coordinate system；Wherein, position of the selected standard sources in the r/g-b/g coordinate system
The region that the region formed with preset error range can correctly restore for the white balance algorithm of terminal device；
If flash lamp is located in flash lamp qualification region in the position in chrominance space coordinate system, it is determined that the sudden strain of a muscle
Light lamp is qualified flash lamp.
The technical scheme provided by this disclosed embodiment can include the following benefits:
In one embodiment, by according to position of the selected standard sources in r/g-b/g coordinate system and preset
Error range determines the flash lamp qualification region in chrominance space coordinate system, wherein selected standard sources is in r/g-b/g coordinate
The region that position and preset error range in system are formed is the region that the white balance algorithm of terminal device can be restored correctly, if
Flash lamp is located in flash lamp qualification region in the position in chrominance space coordinate system, it is determined that and flash lamp is qualified flash lamp,
It realizes when determining the flash lamp qualification region in chrominance space coordinate system, it is contemplated that the white balance algorithm energy of terminal device
The region correctly restored, the flash lamp checked and accepted using this kind of method, when being installed on terminal device, it is ensured that terminal device
The consistency of colour of the picture of shooting, thus, improve user experience.
In another embodiment, preset mistake is being determined according to position of the selected standard sources in r/g-b/g coordinate system
When poor range, by choosing flash lamp test zone of the flash lamp color difference in preset threshold in chrominance space coordinate system,
Determine the flash lamp for the central point being located in flash lamp test zone and the sudden strain of a muscle positioned at four vertex of flash lamp test zone
Light lamp, position of the flash lamp of the flash lamp and four vertex that determine central point in r/g-b/g coordinate system, if central point
The position of flash lamp is overlapped with the position of selected standard sources, then according to four vertex in flash lamp in r/g-b/g coordinate system
In position in r/g-b/g coordinate system of position and selected standard sources determine preset error range, realize and adopt
Preset error range is determined with the mode of experimental verification, the preset error range finally determined is more accurate and more reasonable,
To further ensure the consistency of colour of the picture of terminal device shooting, further improve user experience.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of flash lamp acceptance method shown according to an exemplary embodiment；
Fig. 2 is the schematic diagram of chrominance space coordinate system in embodiment illustrated in fig. 1；
Fig. 3 is the schematic diagram of r/g-b/g coordinate system in embodiment illustrated in fig. 1；
Fig. 4 is a kind of flow chart of the flash lamp acceptance method shown according to another exemplary embodiment；
Fig. 5 is the block diagram that a kind of flash lamp shown according to an exemplary embodiment checks and accepts device；
Fig. 6 is that a kind of flash lamp shown according to another exemplary embodiment checks and accepts the block diagram of device；
Fig. 7 is a kind of block diagram of flash lamp examination device shown according to another exemplary embodiment；
Fig. 8 is that a kind of flash lamp shown according to a further exemplary embodiment checks and accepts the block diagram of device；
Fig. 9 is that a kind of flash lamp shown according to another exemplary embodiment checks and accepts the block diagram of device；
Figure 10 is that a kind of flash lamp shown according to another exemplary embodiment checks and accepts the block diagram of device；
Figure 11 is the block diagram that a kind of flash lamp shown according to an exemplary embodiment checks and accepts device.
Through the above attached drawings, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings
It is not intended to limit the scope of this disclosure concept by any means with verbal description, but is by referring to specific embodiments
Those skilled in the art illustrate the concept of the disclosure.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of flash lamp acceptance method shown according to an exemplary embodiment.As shown in Figure 1, this
Flash lamp acceptance method that open embodiment provides the following steps are included:
In a step 101, the position according to selected standard sources in r/g-b/g coordinate system and preset error model
Enclose the flash lamp qualification region in determining chrominance space coordinate system.
Wherein, the region that position of the selected standard sources in r/g-b/g coordinate system and preset error range are formed
The region that can be correctly restored for the white balance algorithm of terminal device.
Flash lamp involved in the embodiment of the present disclosure is the sudden strain of a muscle for needing to be mounted on the terminal device with camera function
Light lamp.Terminal device involved in the embodiment of the present disclosure can be handheld device with camera function, mobile unit, wearable
Equipment calculates equipment and various forms of user equipmenies (User Equipment；Referred to as: UE), mobile station (Mobile
Station；Referred to as: MS) and terminal (terminal) etc..The flash lamp acceptance method that the embodiment of the present disclosure provides, can be by counting
Equipment is calculated, for example, server executes.
Flash lamp during dark situation is shot, can shine in user's using terminal equipment, play supplement light
Effect.If some flash lamp a1 is mounted on terminal device b1, a certain flash lamp a2 is mounted on terminal device b2, eventually
End equipment b1 and terminal device b2 is the product of same batch, i.e. terminal device b1 and terminal device b2 is in addition to flash lamp difference
Outside, other component and assembling mode are identical.In same environment, user c1 using terminal equipment b1 and flash lamp a1 shooting
Photo out is compared with the photo that user c2 using terminal equipment b2 and flash lamp a2 are shot, and color is partially red, this will use family
C1 thinks that the terminal device imaging of oneself is problematic, thus, reduce user experience.Therefore, in the production process of terminal device,
It is extremely important to select qualified flash lamp.The photograph that the terminal device of same batch production can be made to shoot when using flash lamp
The flash lamp of the solid colour of piece is qualified flash lamp.The purpose of the embodiment of the present disclosure is exactly to select qualified flash lamp.
An artificial light sources if it exists, the object color observed under the irradiation of the artificial light sources under available light
The object color observed is closely similar, then the artificial light sources is just standard sources.Due to there are many kinds of standard sources, this public affairs
Open the standard sources selected in embodiment be selected from many a standard sources with the matched standard sources of terminal device.It can
Determine which kind of standard sources the terminal device matches with the imaging modules according to terminal device.For example, standard sources have white light source,
Yellow light source and red light source etc., a certain terminal device are matched with white standard sources, therefore, are tested carrying out flash lamp for the terminal device
When receipts, it can determine that white standard sources is selected standard sources.
Fig. 2 is the schematic diagram of chrominance space coordinate system in embodiment illustrated in fig. 1.Fig. 3 is r/g-b/ in embodiment illustrated in fig. 1
The schematic diagram of g coordinate system.As shown in Figures 2 and 3, the chrominance space coordinate system in the embodiment of the present disclosure is specially international lighting committee
Member's meeting (International Commission on illumination；Abbreviation CIE) 1931 chrominance spaces.The disclosure is implemented
In r/g-b/g coordinate system in example, red (Red)/green (Green) is abscissa, and blue (Blue)/green is ordinate,
Every bit in the coordinate system according to the location of the point, can calculate the red of the point, green and blue
Ratio.In r/g-b/g coordinate system, the line of asterisk indicates the company of position of multiple standard sources in r/g-b/g coordinate system
Line.Each asterisk can indicate a standard sources.Assuming that second asterisk 31 is selected standard sources.In r/g-b/g
In coordinate system, the flash lamp that position in the coordinate system is located in the preset error range of the selected standard sources is just recognized
For the flash lamp for being qualification.Wherein, preset error range can rule of thumb numerical value be set, and can also be used and be tested
The mode of card is determined.
Flash lamp in this position why be qualified flash lamp be because are as follows: selected standard sources is in r/g-
The region that position and preset error range in b/g coordinate system are formed is that the white balance algorithm of terminal device can be restored correctly
Region, that is to say, that if the light that the flash lamp positioned at this region issues is variant, the white balance algorithm in terminal device can
The difference to be eliminated.In other words, using the flash lamp being equipped in the region that white balance algorithm can be restored correctly
The photo that terminal device is shot is consistent.
There are corresponding relationships with chrominance space coordinate system for r/g-b/g coordinate system.In one implementation, according to selected
Standard sources in r/g-b/g coordinate system position and preset error range determine the flash of light in chrominance space coordinate system
When lamp qualification region, position and preset error model that can first according to selected standard sources in r/g-b/g coordinate system
The qualified region for determining flash lamp in r/g-b/g coordinate system is enclosed, further according to coordinate system transformation method, by r/g-b/g coordinate system
The qualified region of middle flash lamp transforms in chrominance space coordinate system, so that it is determined that the flash lamp in chrominance space coordinate system is qualified
Region.For example, in coordinate system transformation method, turn of r/g-b/g coordinate system and chrominance space coordinate system can first be calculated
Parameter is changed, is zoomed in and out further according to qualified region of the conversion parameter to flash lamp in r/g-b/g coordinate system and rotation processing, it will
Qualified region after scaling and rotation processing moves in chrominance space coordinate system, thus, it determines in chrominance space coordinate system
Flash lamp qualification region.
In another implementation, according to position of the selected standard sources in r/g-b/g coordinate system and pre-
If error range when determining the flash lamp qualification region in chrominance space coordinate system, can be according to coordinate system transformation method, will
Standard sources in r/g-b/g coordinate system position and preset error range transformed in chrominance space coordinate system respectively,
So that it is determined that the flash lamp qualification region in chrominance space coordinate system.The embodiment of the present disclosure is without limitation.
In a step 102, if flash lamp is located in flash lamp qualification region in the position in chrominance space coordinate system, really
Fixed flashing light lamp is qualified flash lamp.
Each flash lamp may map to some position in chrominance space coordinate system.It is arbitrary at judgement one
When whether flash lamp is qualified flash lamp, first the flash lamp is mapped in chrominance space coordinate system.If flash lamp is in coloration
Position in space coordinates is located in flash lamp qualification region, it is determined that the flash lamp is qualified flash lamp.
It should be noted that in the related technology, when checking and accepting flash lamp, one is only defined in chrominance space coordinate system
Reference color temperature.But as shown in Fig. 2, in a determining reference color temperature, the sending of the flash lamp in the reference color temperature
Light color it is inconsistent.For example, in reference color temperature 21 in Fig. 2, it is to be understood that the light that the flash lamp in the upper left corner issues
Color is partially green, and it is partially yellow that the flash lamp in the lower right corner issues light color.This is resulted in using equipped with the flash of light checked and accepted using which
For the terminal device of lamp when dark situation is taken pictures, the color of the photo of shooting is inconsistent.In the embodiments of the present disclosure, coloration is being determined
In space coordinates when flash lamp qualification region, it is contemplated that the region that the white balance algorithm of terminal device can be restored correctly, thus,
Determine the flash lamp qualification region in chrominance space coordinate system.
If position of the flash lamp in chrominance space coordinate system exceeds the flash lamp qualification region, it is determined that the flash lamp is
Unqualified flash lamp.
The flash lamp acceptance method that the embodiment of the present disclosure provides, by the selected standard sources of basis in r/g-b/g coordinate
Position and preset error range in system determine the flash lamp qualification region in chrominance space coordinate system, wherein selected
The region that position of the standard sources in r/g-b/g coordinate system and preset error range are formed is that the white balance of terminal device is calculated
The region that method can be restored correctly, if flash lamp is located in flash lamp qualification region in the position in chrominance space coordinate system, really
Fixed flashing light lamp is qualified flash lamp, is realized when determining the flash lamp qualification region in chrominance space coordinate system, it is contemplated that
The region that the white balance algorithm of terminal device can be restored correctly, the flash lamp checked and accepted using this kind of method, is set being installed to terminal
When standby upper, it is ensured that the consistency of colour of the picture of terminal device shooting, thus, improve user experience.
Fig. 4 is a kind of flow chart of the flash lamp acceptance method shown according to another exemplary embodiment.The disclosure is implemented
The flash lamp acceptance method that example provides, on the basis of embodiment shown in Fig. 1, to the flash lamp determined in chrominance space coordinate system
The step of before qualified region, is described in detail.As shown in figure 4, the flash lamp acceptance method that the embodiment of the present disclosure provides includes
Following steps:
In step 401, preset error model is determined according to position of the selected standard sources in r/g-b/g coordinate system
It encloses.
In one implementation, can rule of thumb data and selected standard sources in r/g-b/g coordinate system
Position determine preset error range.
In another implementation, preset error range can be determined according to the mode of experimental verification.The realization
The process of mode, which may is that, chooses flash lamp test section of the flash lamp color difference in preset threshold in chrominance space coordinate system
Domain；Determine the flash lamp for the central point being located in flash lamp test zone and positioned at four vertex of flash lamp test zone
Flash lamp；Position of the flash lamp of the flash lamp and four vertex that determine central point in r/g-b/g coordinate system；If central point
The position of flash lamp be overlapped with the position of selected standard sources, then according to four vertex in flash lamp in r/g-b/g coordinate
The position of position and selected standard sources in r/g-b/g coordinate system in system determines preset error range.Optionally,
Flash lamp test zone is rectangle.Certainly, flash lamp test zone may be other shapes, and the embodiment of the present disclosure does not limit
System.When flash lamp test zone is rectangle, four vertex are 4 vertex of rectangle；When flash lamp test zone is round,
Four vertex can be any 4 points on circumference.
Flash of light of the flash lamp color difference in preset threshold can be determined according to chrominance space coordinate system neutral color temperature range
Lamp test region.The preset threshold can be what rule of thumb data were determined.It, can after having selected flash lamp test zone
It is located at the flash lamp of the flash lamp test zone central point and the flash lamp on four vertex to select.Then, it is determined that this five
Position of the flash lamp in r/g-b/g coordinate system.Please continue to refer to Fig. 3, point 32 be in five flash lamps some
Position in r/g-b/g coordinate system.It can be incited somebody to action using flash lamp is mapped to the method in r/g-b/g coordinate system in the prior art
Flash lamp is mapped in r/g-b/g coordinate system, and details are not described herein.If the position of the flash lamp of central point and selected standard
The position of light source is overlapped, then can be according to position and central point of the flash lamp on four vertex in r/g-b/g coordinate system
Position of the flash lamp in r/g-b/g coordinate system determines the preset error range.For example, calculating separately the flash of light on four vertex
Lamp position and central point in r/g-b/g coordinate system flash lamp between the position in r/g-b/g coordinate system at a distance from, choosing
Wherein farthest distance is selected as preset error range.Also it can choose wherein nearest distance as preset error model
It encloses, the middle number that also can choose in distance is used as preset error range.
If being located at for the flash lamp of central point is not overlapped with the position of selected standard sources, flash lamp survey is readjusted
Region is tried, updated flash lamp test zone is obtained, until the flash of light of the central point in updated flash lamp test zone
Position of the lamp in r/g-b/g coordinate system is overlapped with the position of selected standard sources；Determine updated flash lamp test section
Position of the flash lamp on four vertex in r/g-b/g coordinate system in domain；According to four in updated flash lamp test zone
The flash lamp on vertex is in the position of position and selected standard sources in r/g-b/g coordinate system in r/g-b/g coordinate system
Determine preset error range.If the flash lamp of central point is in r/g-b/g coordinate for the first time in selected flash lamp test zone
Position in system is not overlapped with the position of selected standard sources, then needs to adjust flash lamp test zone, is obtained updated
Flash lamp test zone, until the flash lamp of the central point in updated flash lamp test zone is in r/g-b/g coordinate system
Position be overlapped in the position of selected standard sources.I.e. after many experiments and verifying, final flash lamp is determined
Test zone is determined according to the flash lamp of the central point in the final flash lamp test zone and the flash lamp on four vertex
Preset error range.
In step 402, according to position of the selected standard sources in r/g-b/g coordinate system and preset error range
Determine the flash lamp qualification region in chrominance space coordinate system.
Wherein, the region that position of the selected standard sources in r/g-b/g coordinate system and preset error range are formed
The region that can be correctly restored for the white balance algorithm of terminal device.
In step 403, if flash lamp is located in flash lamp qualification region in the position in chrominance space coordinate system, it is determined that
Flash lamp is qualified flash lamp.
Step 402, step 403 are similar with step 101, the realization process of step 102 and technical principle, no longer superfluous herein
It states.
The flash lamp acceptance method that the embodiment of the present disclosure provides, in the selected standard sources of basis in r/g-b/g coordinate system
In position when determining preset error range, by choosing in chrominance space coordinate system flash lamp color difference in preset threshold
Interior flash lamp test zone determines the flash lamp for the central point being located in flash lamp test zone and is located at flash of light lamp test
The flash lamp on four vertex in region, the flash lamp of the flash lamp and four vertex that determine central point is in r/g-b/g coordinate system
In position dodged if the position of the flash lamp of central point is overlapped with the position of selected standard sources according to four vertex
Light lamp determines default in position of the position and selected standard sources in r/g-b/g coordinate system in r/g-b/g coordinate system
Error range, realize and determine preset error range by the way of experimental verification, the preset error finally determined
Range is more accurate and more reasonable, thus, the consistency of colour of the picture of terminal device shooting is further ensured, is further mentioned
High user experience.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.It is real for disclosure device
Undisclosed details in example is applied, embodiments of the present disclosure is please referred to.
Fig. 5 is the block diagram that a kind of flash lamp shown according to an exemplary embodiment checks and accepts device.The device can pass through
Software, hardware or both are implemented in combination with.As shown in figure 5, flash lamp examination device provided in this embodiment includes:
First determining module 51, be configured as position according to selected standard sources in r/g-b/g coordinate system and
Preset error range determines the flash lamp qualification region in chrominance space coordinate system.
Wherein, the region that position of the selected standard sources in r/g-b/g coordinate system and preset error range are formed
The region that can be correctly restored for the white balance algorithm of terminal device.
Second determining module 52 is configured as being located at flash lamp qualification when position of the flash lamp in chrominance space coordinate system
When in region, determine flash lamp for qualified flash lamp.
The flash lamp that the embodiment of the present disclosure provides is checked and accepted device and is configured as by the way that the first determining module is arranged according to choosing
Fixed standard sources in r/g-b/g coordinate system position and preset error range determine the sudden strain of a muscle in chrominance space coordinate system
Light lamp qualification region, wherein position of the selected standard sources in r/g-b/g coordinate system is formed with preset error range
Region is the region that the white balance algorithm of terminal device can be restored correctly, and the second determining module is configured as when flash lamp is in color
When position in degree space coordinates is located in flash lamp qualification region, determine that flash lamp for qualified flash lamp, is realized true
When flash lamp qualification region in fixation degree space coordinates, it is contemplated that the white balance algorithm of terminal device can be restored correctly
Region, the flash lamp checked and accepted using this kind of method, when being installed on terminal device, it is ensured that the picture of terminal device shooting
Consistency of colour, thus, improve user experience.
Fig. 6 is that a kind of flash lamp shown according to another exemplary embodiment checks and accepts the block diagram of device.As shown in fig. 6, this
The flash lamp that open embodiment provides checks and accepts device, on the basis of embodiment shown in Fig. 5, further includes:
Third determining module 61 is configured as the position according to selected standard sources in r/g-b/g coordinate system and determines
Preset error range.
Optionally, third determining module 61 may include: to choose submodule 611, be configured as choosing chrominance space coordinate
Flash lamp test zone of the flash lamp color difference in preset threshold in system；First determines submodule 612, is configured to determine that
The flash lamp of central point in flash lamp test zone and flash lamp positioned at four vertex of flash lamp test zone；
Second determines submodule 613, and the flash lamp of the flash lamp and four vertex that are configured to determine that central point is in r/g-b/g coordinate
Position in system；Third determines submodule 614, is configured as position and selected standard sources when the flash lamp of central point
When position is overlapped, according to four vertex in position of the flash lamp in r/g-b/g coordinate system and selected standard sources in r/
Position in g-b/g coordinate system determines preset error range.
The embodiment of the present disclosure provide flash lamp check and accept device, by be arranged third determining module include: choose submodule,
First determines that submodule, second determine that submodule and third determine submodule, realizes when determining preset error range,
By the way of experimental verification, it ensure that the preset error range finally determined is more accurate and more reasonable, thus, further
The consistency of colour that ensure that the picture of terminal device shooting, further improves user experience.
Fig. 7 is a kind of block diagram of flash lamp examination device shown according to another exemplary embodiment.As shown in fig. 7, this
The flash lamp that open embodiment provides is checked and accepted on the basis of device embodiment shown in Fig. 6, further includes:
Module 71 is obtained, is configured as not being overlapped when the position of the flash lamp of central point with the position of selected standard sources
When, flash lamp test zone is readjusted, updated flash lamp test zone is obtained, until updated flash lamp test section
Position of the flash lamp of central point in domain in r/g-b/g coordinate system is overlapped with the position of selected standard sources.
4th determining module 72 is configured to determine that the flash lamp on four vertex in updated flash lamp test zone exists
Position in r/g-b/g coordinate system.
5th determining module 73 is configured as being existed according to the flash lamp on four vertex in updated flash lamp test zone
The position of position and selected standard sources in r/g-b/g coordinate system in r/g-b/g coordinate system determines preset error
Range.
The flash lamp that the embodiment of the present disclosure provides checks and accepts device, obtains module by setting, is configured as when central point
When the position of flash lamp is not overlapped with the position of selected standard sources, flash lamp test zone is readjusted, is obtained after updating
Flash lamp test zone, until updated flash lamp test zone in central point flash lamp in r/g-b/g coordinate system
In position is overlapped with the position of selected standard sources, the 4th determining module is configured to determine that updated flash lamp survey
Position of the flash lamp on four vertex in region in r/g-b/g coordinate system is tried, the 5th determining module is configured as according to update
Position and selected standard sources of the flash lamp on four vertex in r/g-b/g coordinate system in flash lamp test zone afterwards
Position in r/g-b/g coordinate system determines preset error range, realizes when determining preset error range, using reality
The mode of verifying ensure that the preset error range finally determined is more accurate and more reasonable, thus, it further ensures
The consistency of colour of the picture of terminal device shooting, further improves user experience.
Fig. 8 is that a kind of flash lamp shown according to a further exemplary embodiment checks and accepts the block diagram of device.As shown in figure 8, this
The flash lamp that open embodiment provides checks and accepts device on the basis of Fig. 5 is to embodiment illustrated in fig. 7, further includes:
6th determining module 81, it is qualified beyond flash lamp when position of the flash lamp in chrominance space coordinate system to be configured as
When region, determine that flash lamp is unqualified flash lamp.
The flash lamp that the embodiment of the present disclosure provides checks and accepts device, by the way that the 6th determining module is arranged, is configured as when flash of light
When position of the lamp in chrominance space coordinate system exceeds flash lamp qualification region, determines that flash lamp is unqualified flash lamp, realize
When the flash lamp checked and accepted using this kind of method, the flash lamp that will not belong to flash lamp qualification region is determined as unqualified flash of light
Lamp, thus, the inconsistency of the color of the picture of terminal device shooting is avoided, thus, improve user experience.
Fig. 9 is that a kind of flash lamp shown according to another exemplary embodiment checks and accepts the block diagram of device.The embodiment of the present disclosure
The flash lamp of offer checks and accepts device, on the basis of Fig. 5 is to embodiment illustrated in fig. 7, realizes to the inside of the first determining module 51
Make one to be described in detail.As shown in figure 9, the flash lamp that the embodiment of the present disclosure provides is checked and accepted in device, the first determining module 51 includes:
It determines submodule 511, is configured as position according to selected standard sources in r/g-b/g coordinate system and pre-
If error range determine the flash lamp qualification region in r/g-b/g coordinate system.
Transformation submodule 512, it is qualified by the flash lamp in r/g-b/g coordinate system according to coordinate system transformation method to be configured as
Region is converted into chrominance space coordinate system, determines the flash lamp qualification region in chrominance space coordinate system.
The flash lamp that the embodiment of the present disclosure provides checks and accepts device, includes determining submodule by the first determining module of setting,
It is configured as determining r/g-b/ according to position and preset error range of the selected standard sources in r/g-b/g coordinate system
Flash lamp qualification region in g coordinate system, transformation submodule are configured as r/g-b/g coordinate according to coordinate system transformation method
Flash lamp qualification region in system is converted into chrominance space coordinate system, determines the flash lamp qualification area in chrominance space coordinate system
Domain, when determining the flash lamp qualification region in chrominance space coordinate system, it is first determined go out the flash lamp in r/g-b/g coordinate system
Flash lamp qualification region in r/g-b/g coordinate system is converted into chrominance space further according to coordinate system transformation method by qualified region
In coordinate system, and then determine the flash lamp qualification region in chrominance space coordinate system, conversion process realizes simple, accuracy rate
It is higher, thus, the consistency of colour of the picture of terminal device shooting is further ensured, user experience is further improved.
The foregoing describe built-in functions and structure that flash lamp checks and accepts device.Figure 10 is to show according to another exemplary embodiment
A kind of flash lamp out checks and accepts the block diagram of device.As shown in Figure 10, the flash lamp that the embodiment of the present disclosure provides checks and accepts device can be real
It is existing are as follows:
Processor 111.Memory 112 for 111 executable instruction of storage processor.
Wherein, processor 111 is configured as:
Coloration sky is determined according to position of the selected standard sources in r/g-b/g coordinate system and preset error range
Between flash lamp qualification region in coordinate system；Wherein, position of the selected standard sources in r/g-b/g coordinate system with it is preset
The region that error range is formed is the region that the white balance algorithm of terminal device can be restored correctly；If flash lamp is sat in chrominance space
Position in mark system is located in flash lamp qualification region, it is determined that flash lamp is qualified flash lamp.
Figure 11 is the block diagram that a kind of flash lamp shown according to an exemplary embodiment checks and accepts device.For example, flash lamp is tested
Receiving apparatus 1900 may be provided as a server.Referring to Fig.1 1, it includes processing component 1922 that flash lamp, which checks and accepts device 1900,
It further comprise one or more processors and memory resource represented by a memory 1932, it can be by for storing
Manage the instruction of the execution of component 1922, such as application program.The application program stored in memory 1932 may include one or
It is more than one each correspond to one group of instruction module.In addition, processing component 1922 is configured as executing instruction, to execute
Above-mentioned flash lamp acceptance method.
It can also include that a power supply module 1926 is configured as executing flash lamp examination dress that flash lamp, which checks and accepts device 1900,
1900 power management is set, a wired or wireless network interface 1950 is configured as flash lamp examination device 1900 being connected to
Network and input and output (I/O) interface 1958.Flash lamp examination device 1900, which can operate, to be based on being stored in memory
1932 operating system, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or class
Seemingly.
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium checks and accepts device by flash lamp
Processor execute when so that flash lamp check and accept device be able to carry out above-mentioned flash lamp acceptance method.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claims are pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claims
System.
Claims (13)
1. a kind of flash lamp acceptance method characterized by comprising
Determine that chrominance space is sat according to position of the selected standard sources in r/g-b/g coordinate system and preset error range
Flash lamp qualification region in mark system；Wherein, position of the selected standard sources in the r/g-b/g coordinate system and pre-
If the region that is formed of error range be terminal device the region that can correctly restore of white balance algorithm；
If flash lamp is located in flash lamp qualification region in the position in chrominance space coordinate system, it is determined that the flash lamp
For qualified flash lamp.
2. the method according to claim 1, wherein being sat in the standard sources that the basis is selected in r/g-b/g
Before position and preset error range in mark system determine the flash lamp qualification region in chrominance space coordinate system, the side
Method further include:
The preset error range is determined according to position of the selected standard sources in the r/g-b/g coordinate system.
3. according to the method described in claim 2, it is characterized in that, it is described according to the selected standard sources in the r/g-
Position in b/g coordinate system determines that the preset error range includes:
Choose flash lamp test zone of the flash lamp color difference in preset threshold in the chrominance space coordinate system；
Determine the flash lamp for the central point being located in the flash lamp test zone and positioned at the flash lamp test zone
The flash lamp on four vertex；
Position of the flash lamp of the flash lamp and four vertex that determine the central point in the r/g-b/g coordinate system
It sets；
If the position of the flash lamp of the central point is overlapped with the position of the selected standard sources, pushed up according to described four
Position and the selected standard sources of the flash lamp of point in the r/g-b/g coordinate system are in the r/g-b/g coordinate
Position in system determines the preset error range.
4. according to the method described in claim 3, it is characterized in that, the method also includes:
If the position of the flash lamp of the central point is not overlapped with the position of the selected standard sources, described in readjustment
Flash lamp test zone obtains updated flash lamp test zone, until in the updated flash lamp test zone
Position of the flash lamp of central point in the r/g-b/g coordinate system is overlapped with the position of the selected standard sources；
Determine position of the flash lamp on four vertex in updated flash lamp test zone in the r/g-b/g coordinate system；
According to position of the flash lamp on four vertex in the updated flash lamp test zone in the r/g-b/g coordinate system
It sets and position of the selected standard sources in the r/g-b/g coordinate system determines the preset error range.
5. method as claimed in any of claims 1 to 4, which is characterized in that the method also includes:
If position of the flash lamp in the chrominance space coordinate system exceeds flash lamp qualification region, it is determined that described
Flash lamp is unqualified flash lamp.
6. method as claimed in any of claims 1 to 4, which is characterized in that the selected standard sources of the basis
In r/g-b/g coordinate system position and preset error range determine the flash lamp qualification area in chrominance space coordinate system
Domain, comprising:
It is true according to position of the selected standard sources in the r/g-b/g coordinate system and the preset error range
Flash lamp qualification region in the fixed r/g-b/g coordinate system；
The flash lamp qualification region in the r/g-b/g coordinate system is converted into the chrominance space according to coordinate system transformation method
In coordinate system, the flash lamp qualification region in the chrominance space coordinate system is determined.
7. a kind of flash lamp checks and accepts device characterized by comprising
First determining module is configured as position according to selected standard sources in r/g-b/g coordinate system and preset
Error range determines the flash lamp qualification region in chrominance space coordinate system；Wherein, the selected standard sources is in the r/
The region that position in g-b/g coordinate system is formed with preset error range can correctly restore for the white balance algorithm of terminal device
Region；
Second determining module is configured as being located at flash lamp qualification area when position of the flash lamp in chrominance space coordinate system
When in domain, determine the flash lamp for qualified flash lamp.
8. device according to claim 7, which is characterized in that described device further include:
Third determining module is configured as true according to position of the selected standard sources in the r/g-b/g coordinate system
The fixed preset error range.
9. device according to claim 8, which is characterized in that the third determining module includes:
Submodule is chosen, is configured as choosing sudden strain of a muscle of the flash lamp color difference in preset threshold in the chrominance space coordinate system
Light lamp test region；
First determines submodule, is configured to determine that flash lamp and the position of the central point in the flash lamp test zone
Flash lamp in four vertex of the flash lamp test zone；
Second determines submodule, and the flash lamp of the flash lamp and four vertex that are configured to determine that the central point is in institute
State the position in r/g-b/g coordinate system；
Third determines submodule, is configured as the position when the flash lamp of the central point and the position of the selected standard sources
When setting coincidence, according to position of the flash lamp on four vertex in the r/g-b/g coordinate system and the selected mark
Position of the quasi-optical source in the r/g-b/g coordinate system determines the preset error range.
10. device according to claim 9, which is characterized in that described device further include:
Module is obtained, is configured as not weighing when the position of flash lamp of the central point and the position of the selected standard sources
When conjunction, the flash lamp test zone is readjusted, obtains updated flash lamp test zone, until the updated sudden strain of a muscle
Position of the flash lamp of central point in light lamp test region in the r/g-b/g coordinate system and the selected standard sources
Position be overlapped；
4th determining module is configured to determine that the flash lamp on four vertex in updated flash lamp test zone in the r/
Position in g-b/g coordinate system；
5th determining module is configured as the flash lamp according to four vertex in the updated flash lamp test zone in institute
Position of the position and the selected standard sources in r/g-b/g coordinate system in the r/g-b/g coordinate system is stated to determine
The preset error range.
11. the device according to any one of claim 7 to 10, which is characterized in that described device further include:
6th determining module is configured as when position of the flash lamp in the chrominance space coordinate system is beyond the flash of light
When lamp qualification region, determine that the flash lamp is unqualified flash lamp.
12. the device according to any one of claim 7 to 10, which is characterized in that first determining module includes:
Determine submodule, be configured as position according to the selected standard sources in the r/g-b/g coordinate system and
The preset error range determines the flash lamp qualification region in the r/g-b/g coordinate system；
Transformation submodule is configured as the flash lamp qualification area in the r/g-b/g coordinate system according to coordinate system transformation method
Domain is converted into the chrominance space coordinate system, determines the flash lamp qualification region in the chrominance space coordinate system.
13. a kind of flash lamp checks and accepts device characterized by comprising
Processor；
For storing the memory of the processor-executable instruction；
Wherein, the processor is configured to:
Determine that chrominance space is sat according to position of the selected standard sources in r/g-b/g coordinate system and preset error range
Flash lamp qualification region in mark system；Wherein, position of the selected standard sources in the r/g-b/g coordinate system and pre-
If the region that is formed of error range be terminal device the region that can correctly restore of white balance algorithm；
If flash lamp is located in flash lamp qualification region in the position in chrominance space coordinate system, it is determined that the flash lamp
For qualified flash lamp.
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|---|---|---|---|
| CN201610848730.6A CN106370398B (en) | 2016-09-23 | 2016-09-23 | Flash lamp acceptance method and device |
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|---|---|---|---|
| CN201610848730.6A CN106370398B (en) | 2016-09-23 | 2016-09-23 | Flash lamp acceptance method and device |
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| US20190199900A1 (en) * | 2017-12-22 | 2019-06-27 | Lumileds Holding B.V. | Variable field of view test platform |
| CN114967191B (en) * | 2022-04-18 | 2023-09-22 | 信利光电股份有限公司 | Color coordinate control method for display module |
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