CN106370398A - Flashlight check and acceptance method and device - Google Patents
Flashlight check and acceptance method and device Download PDFInfo
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- CN106370398A CN106370398A CN201610848730.6A CN201610848730A CN106370398A CN 106370398 A CN106370398 A CN 106370398A CN 201610848730 A CN201610848730 A CN 201610848730A CN 106370398 A CN106370398 A CN 106370398A
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- flash lamp
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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 present disclosure relates to a flashlight check and acceptance method and device. The method includes the following steps that: a flashlight qualifying region in a chromaticity space coordinates system is determined according to the position of a selected standard light source in an r/g-b/g coordinate system and a preset error range, an area formed by the position of the selected standard light source in the r/g-b/g coordinate system and the preset error range is an area which can be correctly restored by the white balance algorithm of a terminal device; and if the position of a flashlight in the chromaticity space coordinate system is located in the flashlight qualifying area, the flashlight is determined as a qualified flashlight. According to the method of the invention adopted, when the flashlight qualifying region in the chromaticity space coordinates system is determined, the area which can be correctly restored by the white balance algorithm of the terminal device is considered. When a flashlight checked and accepted by using the method is installed on a terminal device, the consistency of the colors of pictures taken by the terminal device can be ensured, and therefore, user experience can be improved.
Description
Technical field
It relates to computer technology, more particularly, to a kind of flash lamp acceptance method and device.
Background technology
With the development of communication technology and terminal unit, increasing user selects using terminal equipment to carry out photo
Shoot.When shooting in dark situation, in order to reach effect of preferably taking pictures, the flash lamp on opening terminal apparatus is needed to enter portable lighter
Light supplements.But, the flash lamp of different parameters can produce different impacts to process of taking pictures, and finally, leads to the photo shot
Color variant.In order to ensure in dark situation, the concordance that the terminal unit of same batch production is taken pictures, need to flash of light
The parameter of lamp is defined.Therefore, in actual production, how to determine that the flash lamp whether flash lamp is qualified is extremely important.
In correlation technique, by defining a reference color temperature, flash lamp can be carried out an acceptance inspection.For example, if it is desired to selecting
Take the white lamp that colour temperature is 5500 Kelvins (k), definition range of error is 500k, then colour temperature is located at the sudden strain of a muscle between 5000k-6000k
Light lamp is all qualified flash lamp.
Content of the invention
For overcoming problem present in correlation technique, the disclosure provides a kind of flash lamp acceptance method and device.
According to the embodiment of the present disclosure in a first aspect, provide a kind of flash lamp acceptance method, comprising:
Determine that colourity is empty according to position in r/g-b/g coordinate system for the selected standard light source and default range of error
Between the qualified region of flash lamp in coordinate system；Wherein, position in described r/g-b/g coordinate system for the described selected standard light source
The region being formed with default range of error is the region that can correctly reduce of white balance algorithm of terminal unit；
If flash lamp is located in the qualified region of described flash lamp it is determined that described sudden strain of a muscle in the position in chrominance space coordinate system
Light lamp is qualified flash lamp.
In conjunction with a first aspect, in the first possible implementation of first aspect, the standard light that described basis is selected
Source determines the qualified area of flash lamp in chrominance space coordinate system in the position in r/g-b/g coordinate system and default range of error
Before domain, methods described also includes:
Described default error model is determined according to position in described r/g-b/g coordinate system for the described selected standard light source
Enclose.
In conjunction with the first possible implementation of first aspect, in the possible implementation of the second of first aspect
In, the described position according to described selected standard light source in described r/g-b/g coordinate system determines described default error model
Enclose including:
Choose flash lamp test zone in predetermined threshold value for the flash lamp color distortion in described chrominance space coordinate system；
Determine the flash lamp of central point being located in described flash lamp test zone and be located at described flash lamp test section
The flash lamp on four summits in domain；
The flash lamp determining the flash lamp of described central point and described four summits is in described r/g-b/g coordinate system
Position；
If the position of the flash lamp of described central point is overlapped with the position of described selected standard light source, according to described four
Individual summit is in position in described r/g-b/g coordinate system for the flash lamp and described selected standard light source in described r/g-b/g
Position in coordinate system determines described default range of error.
In conjunction with the possible implementation of the second of first aspect, in the third possible implementation of first aspect
In, methods described also includes:
If the position of the flash lamp of described central point is misaligned with the position of described selected standard light source, readjust
Described flash lamp test zone, obtains the flash lamp test zone after updating, until the flash lamp test zone after described renewal
In the position in described r/g-b/g coordinate system for the flash lamp of central point overlap with the position of described selected standard light source；
Position in described r/g-b/g coordinate system for the flash lamp on four summits in flash lamp test zone after determination renewal
Put；
Flash lamp according to four summits in the flash lamp test zone after described renewal is in described r/g-b/g coordinate system
Position in described r/g-b/g coordinate system of position and described selected standard light source determine described default error model
Enclose.
In conjunction with first aspect or first aspect the first possible implementation to first aspect the third is possible
Any one possible implementation in implementation, in the 4th kind of possible implementation of first aspect, methods described is also
Including:
If position in described chrominance space coordinate system for the described flash lamp exceed the qualified region of described flash lamp it is determined that
Described flash lamp is unqualified flash lamp.
In conjunction with first aspect or first aspect the first possible implementation to first aspect the third is possible
Any one possible implementation in implementation, in the 5th kind of possible implementation of first aspect, described according to choosing
Fixed standard light source determines the sudden strain of a muscle in chrominance space coordinate system in the position in r/g-b/g coordinate system and default range of error
The qualified region of light lamp, comprising:
According to position in described r/g-b/g coordinate system for the described selected standard light source and described default error model
Enclose the qualified region of flash lamp determining in described r/g-b/g coordinate system；
The qualified region of flash lamp in described r/g-b/g coordinate system is converted into by described colourity according to coordinate system transformation method
In space coordinates, determine the qualified region of flash lamp in described chrominance space coordinate system.
According to the second aspect of the embodiment of the present disclosure, a kind of flash lamp is provided to check and accept device, comprising:
First determining module, is configured to according to the position in r/g-b/g coordinate system for the standard light source selected and pre-
If range of error determine the qualified region of flash lamp in chrominance space coordinate system；Wherein, described selected standard light source is in institute
The position stated in r/g-b/g coordinate system is correct for the white balance algorithm energy of terminal unit with the region of default range of error formation
The region of reduction；
Second determining module, is configured as position in chrominance space coordinate system for the flash lamp and is located at described flash lamp conjunction
When in lattice region, determine that described flash lamp is qualified flash lamp.
In conjunction with second aspect, in the first possible implementation of second aspect, described device also includes:
3rd determining module, is configured to the position in described r/g-b/g coordinate system according to described selected standard light source
Put the described default range of error of determination.
In conjunction with the first possible implementation of second aspect, in the possible implementation of the second of second aspect
In, described 3rd determining module includes:
Choose submodule, be configured to choose in described chrominance space coordinate system flash lamp color distortion in predetermined threshold value
Flash lamp test zone；
First determination sub-module, be configured to determine that the flash lamp of central point in described flash lamp test zone with
And it is located at the flash lamp on four summits of described flash lamp test zone；
Second determination sub-module, is configured to determine that the flash lamp of described central point and the flash lamp on described four summits
Position in described r/g-b/g coordinate system；
3rd determination sub-module, is configured as the position of flash lamp of described central point and described selected standard light source
Position when overlapping, and described selected in position in described r/g-b/g coordinate system for the flash lamp according to described four summits
Position in described r/g-b/g coordinate system for the standard light source determine described default range of error.
In conjunction with the possible implementation of the second of second aspect, in the third possible implementation of second aspect
In, described device also includes:
Acquisition module, is configured as the position of flash lamp of described central point and the position of described selected standard light source
When misaligned, readjust described flash lamp test zone, obtain the flash lamp test zone after updating, until after described renewal
Flash lamp test zone in the position in described r/g-b/g coordinate system for the flash lamp of central point and described selected standard
The position of light source overlaps；
4th determining module, the flash lamp being configured to determine that four summits in the flash lamp test zone after renewal is in institute
State the position in r/g-b/g coordinate system；
5th determining module, the flash lamp on four summits in the flash lamp test zone after being configured to according to described renewal
In the position in the described r/g-b/g coordinate system and described selected standard light source position in described r/g-b/g coordinate system
Determine described default range of error.
In conjunction with second aspect or second aspect the first possible implementation to second aspect the third is possible
Any one possible implementation in implementation, in the 4th kind of possible implementation of second aspect, described device
Also include:
6th determining module, is configured as position in chrominance space coordinate system for the described flash lamp and exceeds described flash of light
During the qualified region of lamp, determine that described flash lamp is unqualified flash lamp.
In conjunction with second aspect or second aspect the first possible implementation to second aspect the third is possible
Any one possible implementation in implementation, in the 5th kind of possible implementation of second aspect, described first
Determining module includes:
Determination sub-module, is configured to the position in described r/g-b/g coordinate system according to described selected standard light source
And described default range of error determines the qualified region of flash lamp in described r/g-b/g coordinate system；
Transformation submodule, is configured to be closed the flash lamp in described r/g-b/g coordinate system according to coordinate system transformation method
Lattice region is converted in described chrominance space coordinate system, determines the qualified region of flash lamp in described chrominance space coordinate system.
According to the third aspect of the embodiment of the present disclosure, a kind of flash lamp is provided to check and accept device, comprising:
Processor；
For storing the memorizer of described processor executable；
Wherein, described processor is configured to:
Determine that colourity is empty according to position in r/g-b/g coordinate system for the selected standard light source and default range of error
Between the qualified region of flash lamp in coordinate system；Wherein, position in described r/g-b/g coordinate system for the described selected standard light source
The region being formed with default range of error is the region that can correctly reduce of white balance algorithm of terminal unit；
If flash lamp is located in the qualified region of described flash lamp it is determined that described sudden strain of a muscle in the position in chrominance space coordinate system
Light lamp is qualified flash lamp.
The technical scheme that embodiment of the disclosure provides can include following beneficial effect:
In one embodiment, by according to the position in r/g-b/g coordinate system for the standard light source selected and default
Range of error determines the qualified region of flash lamp in chrominance space coordinate system, and wherein, selected standard light source is in r/g-b/g coordinate
The region that position in system is formed with default range of error is the region that can correctly reduce of white balance algorithm of terminal unit, if
Flash lamp is located in the qualified region of flash lamp in the position in chrominance space coordinate system it is determined that flash lamp is qualified flash lamp,
Achieve during the qualified region of flash lamp in determining chrominance space coordinate system it is contemplated that the white balance algorithm energy of terminal unit
The region of correct reduction, the flash lamp checked and accepted using this kind of method, when being installed on terminal unit it is ensured that terminal unit
The consistency of colour of the picture shooting, thus, improve Consumer's Experience.
In another embodiment, determine default mistake in the position in r/g-b/g coordinate system according to the standard light source selected
During difference scope, by choosing flash lamp test zone in predetermined threshold value for the flash lamp color distortion in chrominance space coordinate system,
The sudden strain of a muscle determining the flash lamp of central point being located in flash lamp test zone and being located at four summits of flash lamp test zone
Light lamp, determines the flash lamp on the flash lamp of the central point and four summits position in r/g-b/g coordinate system, if central point
The position of flash lamp is overlapped with the position of standard light source selected, then according to four summits in flash lamp in r/g-b/g coordinate system
In position in r/g-b/g coordinate system of position and selected standard light source determine default range of error it is achieved that adopting
Determine default range of error with the mode of experimental verification, the default range of error finally determined is more accurately and more reasonable,
Thus, further ensure the consistency of colour of the picture of terminal unit shooting, further increase Consumer's Experience.
It should be appreciated that above general description and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement meeting the disclosure
Example, and be used for explaining the principle of the disclosure together with description.
Fig. 1 is a kind of flow chart of the flash lamp acceptance method 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 implementing to exemplify according to another exemplary；
Fig. 5 is a kind of block diagram of the flash lamp examination device according to an exemplary embodiment；
Fig. 6 is the block diagram checking and accepting device according to a kind of flash lamp that another exemplary implements to exemplify；
Fig. 7 is a kind of block diagram of the flash lamp examination device according to another exemplary embodiment；
Fig. 8 is a kind of block diagram of the flash lamp examination device according to further example embodiment；
Fig. 9 is the block diagram checking and accepting device according to a kind of flash lamp that another exemplary implements to exemplify；
Figure 10 is the block diagram checking and accepting device according to a kind of flash lamp that another exemplary implements to exemplify；
Figure 11 is a kind of block diagram of the flash lamp examination device according to an exemplary embodiment.
By above-mentioned accompanying drawing it has been shown that the clear and definite embodiment of the disclosure, hereinafter will be described in more detail.These accompanying drawings
It is not intended to limit the scope of disclosure design by any mode with word description, but by reference to specific embodiment be
Those skilled in the art illustrate the concept of the disclosure.
Specific embodiment
Here will in detail exemplary embodiment be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of the flash lamp acceptance method according to an exemplary embodiment.As shown in figure 1, this
The flash lamp acceptance method that open embodiment provides comprises the following steps:
In a step 101, according to position in r/g-b/g coordinate system for the selected standard light source and default error model
Enclose the qualified region of flash lamp determining in chrominance space coordinate system.
Wherein, the region that position in r/g-b/g coordinate system for the selected standard light source is formed with default range of error
The region that can correctly reduce for the white balance algorithm of terminal unit.
In the embodiment of the present disclosure, involved flash lamp is the sudden strain of a muscle needing to be arranged on the terminal unit with camera function
Light lamp.Terminal unit involved by the embodiment of the present disclosure can be to have the handheld device of camera function, mobile unit, wearable
Equipment, computing device, and various forms of user equipment (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
Calculation equipment, for example, server executes.
Flash lamp during dark situation shooting, can light, play supplementary light in user's using terminal equipment
Effect.If being arranged on some flash lamp a1 on terminal unit b1, a certain flash lamp a2 is arranged on terminal unit b2, eventually
End equipment b1 and terminal unit b2 are the products of same batch, that is, terminal unit b1 and terminal unit b2 except flash lamp different it
Outward, miscellaneous part and assembling mode are identical.In same environment, user c1 using terminal equipment b1 and flash lamp a1 shoots
Compared with the photo that the photo going out is shot with user c2 using terminal equipment b2 and flash lamp a2, color is partially red, and this can make user
C1 thinks that the terminal unit imaging of oneself is problematic, thus, reduce Consumer's Experience.Therefore, in the production process of terminal unit,
Select qualified flash lamp extremely important.The photograph that the terminal unit of same batch production is shot when using flash lamp can be made
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.
If exist an artificial light sources, the object color observed under the irradiation of this artificial light sources with available light
The object color observed is closely similar, then this artificial light sources is just standard light source.Because standard light source has many kinds, this public affairs
Opening the standard light source selected in embodiment is the standard light source mated with terminal unit selected from much individual standard light sources.Can
To determine which kind of standard light source this terminal unit mates according to the imaging modules of terminal unit.For example, standard light source have white light source,
Gold-tinted source and red light source etc., a certain terminal unit is mated with white standard light source, therefore, tests carrying out flash lamp for this terminal unit
It may be determined that white standard light source is selected standard light source when receipts.
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 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 vertical coordinate,
Every bit in this coordinate system, can calculate the red, green and blue of this point according to this location
Ratio.In r/g-b/g coordinate system, the line of asterisk represents the company of position in r/g-b/g coordinate system for multiple standard light sources
Line.Each asterisk can represent a standard light source.Assume that second asterisk 31 is the standard light source selected.In r/g-b/g
In coordinate system, the flash lamp that position in the coordinate system is located in default range of error of standard light source that this is selected just is recognized
For being qualified flash lamp.Wherein, default range of error can rule of thumb numerical value be set, it would however also be possible to employ tests
The mode of card is determined.
The flash lamp why flash lamp in this position is qualified is because: selected standard light source is in r/g-
The region that position in b/g coordinate system is formed with default range of error is that the white balance algorithm of terminal unit can correctly reduce
If that is to say, that the light that sends of flash lamp being located at this region is variant, the white balance algorithm in terminal unit can in region
So that this difference to be eliminated.In other words, using the flash lamp being provided with the region that white balance algorithm can correctly reduce
The photo that terminal unit is shot is consistent.
There is corresponding relation in r/g-b/g coordinate system and chrominance space coordinate system.In one implementation, according to selected
Standard light source determine the flash of light in chrominance space coordinate system in the position in r/g-b/g coordinate system and default range of error
During the qualified region of lamp, can be first according to the position in r/g-b/g coordinate system for the standard light source selected and default error model
Enclose the qualified region determining flash lamp in r/g-b/g coordinate system, 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, turning of r/g-b/g coordinate system and chrominance space coordinate system can first be calculated
Change parameter, further according to this conversion parameter, the qualified region of flash lamp in r/g-b/g coordinate system is zoomed in and out and rotation processing, will
Qualified region after scaling and rotation processing moves in chrominance space coordinate system, thus, determine in chrominance space coordinate system
The qualified region of flash lamp.
In another kind of implementation, according to the position in r/g-b/g coordinate system for the standard light source selected and pre-
If range of error when determining the qualified region of flash lamp in chrominance space coordinate system, can be according to coordinate system transformation method, will
Standard light source transforms in chrominance space coordinate system in the position in r/g-b/g coordinate system and default range of error respectively,
So that it is determined that the qualified region of the flash lamp in chrominance space coordinate system.The embodiment of the present disclosure is without limitation.
In a step 102, if flash lamp is located in the qualified region of flash lamp in the position in chrominance space coordinate system, really
Fixed flashing light lamp is qualified flash lamp.
Each flash lamp all may map to some position in chrominance space coordinate system.Judging one arbitrarily
When whether flash lamp is qualified flash lamp, first this flash lamp is mapped in chrominance space coordinate system.If flash lamp is in colourity
Position in space coordinates is located in the qualified region of flash lamp it is determined that this flash lamp is qualified flash lamp.
It should be noted that in correlation technique, when checking and accepting flash lamp, only one defined in chrominance space coordinate system
Reference color temperature.But, as shown in Fig. 2 in the reference color temperature of a determination, the sending of flash lamp in this reference color temperature
Light color inconsistent.For example, it is to be understood that the light that sends of the flash lamp in the upper left corner in reference color temperature 21 in fig. 2
Color is partially green, and it is partially yellow that the flash lamp in the lower right corner sends light color.This is resulted in using equipped with the flash of light checked and accepted using which
, when dark situation is taken pictures, the color of the photo of shooting is inconsistent for the terminal unit of lamp.In the disclosed embodiments, determining colourity
During the qualified region of the flash lamp it is contemplated that region that can correctly reduce of the white balance algorithm of terminal unit in space coordinates, thus,
Determine the qualified region of flash lamp in chrominance space coordinate system.
If position in chrominance space coordinate system for the flash lamp exceeds the qualified region of this flash lamp it is determined that this flash lamp is
Unqualified flash lamp.
The flash lamp acceptance method that the embodiment of the present disclosure provides, the standard light source selected by basis is in r/g-b/g coordinate
Position in system and default range of error determine the qualified region of flash lamp in chrominance space coordinate system, wherein, selected
The region that position in r/g-b/g coordinate system for the standard light source is formed with default range of error is that the white balance of terminal unit is calculated
The region that method can correctly reduce, if flash lamp is located in the qualified region of flash lamp in the position in chrominance space coordinate system, really
Fixed flashing light lamp be qualified flash lamp it is achieved that during the qualified region of flash lamp in determining chrominance space coordinate system it is contemplated that
The region that the white balance algorithm of terminal unit can correctly reduce, the flash lamp checked and accepted using this kind of method, set being installed to terminal
It is ensured that the consistency of colour of picture that shoots of terminal unit when standby upper, thus, improve Consumer's Experience.
Fig. 4 is a kind of flow chart of the flash lamp acceptance method implementing to exemplify according to another exemplary.The disclosure is implemented
The flash lamp acceptance method that example provides, on the basis of embodiment illustrated in fig. 1, to the flash lamp determining in chrominance space coordinate system
Step 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, default error model is determined according to position in r/g-b/g coordinate system for the selected standard light source
Enclose.
In one implementation, can rule of thumb data and selected standard light source in r/g-b/g coordinate system
Position determine default range of error.
In another implementation, default range of error can be determined in the way of according to experimental verification.This realization
The process of mode may is that flash lamp test section in predetermined threshold value for the flash lamp color distortion in selection chrominance space coordinate system
Domain；Determine the flash lamp of central point being located in flash lamp test zone and be located at four summits of flash lamp test zone
Flash lamp；Determine the flash lamp on the flash lamp of the central point and four summits position in r/g-b/g coordinate system；If central point
The position of flash lamp overlap with the position of standard light source selected, then according to four summits in flash lamp in r/g-b/g coordinate
Position in r/g-b/g coordinate system for the position and selected standard light source in system determines default range of error.Optionally,
Flash lamp test zone is rectangle.Certainly, flash lamp test zone can also be other shapes, and the embodiment of the present disclosure does not limit
System.When flash lamp test zone is rectangle, four summits are 4 summits of rectangle；When flash lamp test zone is circular,
Four summits can be any 4 points on circumference.
Flash of light in predetermined threshold value for the flash lamp color distortion can be determined according to reference color temperature in chrominance space coordinate system
Lamp test region.This predetermined threshold value can rule of thumb data be determined.After have selected flash lamp test zone, can
To select the flash lamp of flash lamp positioned at this flash lamp test zone central point and four summits.Then, it is determined that this five
Position in r/g-b/g coordinate system for the flash lamp.Continue referring to Fig. 3, point 32 be in this five flash lamies some
Position in r/g-b/g coordinate system.Can be incited somebody to action using the method in prior art, flash lamp being mapped in r/g-b/g coordinate system
Flash lamp is mapped in r/g-b/g coordinate system, will not be described here.If the position of the flash lamp of central point and the standard selected
The position of light source overlaps, then can be according to position in r/g-b/g coordinate system for the flash lamp on four summits and central point
Position in r/g-b/g coordinate system for the flash lamp determines this default range of error.For example, calculate the flash of light on four summits respectively
Lamp is in the distance between position in r/g-b/g coordinate system of flash lamp of the position in r/g-b/g coordinate system and central point, choosing
Select wherein farthest distance as default range of error.Wherein nearest distance can also be selected as default error model
Enclose it is also possible to the middle number in chosen distance is as default range of error.
If the flash lamp of central point positioned at misaligned with the position of selected standard light source, readjust flash lamp and survey
Examination region, obtains the flash lamp test zone after updating, until the flash of light of the central point in the flash lamp test zone after updating
Position in r/g-b/g coordinate system for the lamp is overlapped with the position of the standard light source selected；Determine the flash lamp test section after updating
Position in r/g-b/g coordinate system for the flash lamp on four summits in domain；According to four in the flash lamp test zone after updating
The flash lamp on summit position in r/g-b/g coordinate system in the position in r/g-b/g coordinate system and selected standard light source
Determine default range of error.If in the flash lamp test zone selected for the first time, the flash lamp of central point is in r/g-b/g coordinate
Position in system is misaligned with the position of the standard light source selected, then need to adjust flash lamp test zone, obtain after updating
Flash lamp test zone, until the flash lamp of the central point in the flash lamp test zone after updating is in r/g-b/g coordinate system
Position in selected standard light source position overlap.I.e. after many experiments and checking, determine final flash lamp
Test zone, the flash lamp on the flash lamp according to the central point in this final flash lamp test zone and four summits determines
Default range of error.
In step 402, according to position in r/g-b/g coordinate system for the selected standard light source and default range of error
Determine the qualified region of flash lamp in chrominance space coordinate system.
Wherein, the region that position in r/g-b/g coordinate system for the selected standard light source is formed with default range of error
The region that can correctly reduce for the white balance algorithm of terminal unit.
In step 403, if flash lamp the position in chrominance space coordinate system be located at the qualified region of flash lamp in it is determined that
Flash lamp is qualified flash lamp.
Step 402, step 403 and step 101, step 102 realize process and know-why is similar, no longer superfluous herein
State.
The flash lamp acceptance method that the embodiment of the present disclosure provides, in the selected standard light source of basis in r/g-b/g coordinate system
In position when determining default range of error, by choosing in chrominance space coordinate system flash lamp color distortion in predetermined threshold value
Interior flash lamp test zone, determines the flash lamp of central point being located in flash lamp test zone and is located at flash of light lamp test
The flash lamp on four summits in region, the flash lamp determining the flash lamp of central point and four summits is in r/g-b/g coordinate system
In position, if the position of the flash lamp of central point is overlapped with the position of standard light source selected, according to four summits in sudden strain of a muscle
The position determination in r/g-b/g coordinate system is default in the position in r/g-b/g coordinate system and selected standard light source for light lamp
Range of error it is achieved that determining default range of error by the way of experimental verification, the default error finally determined
Scope is more accurately and more reasonable, thus, further ensure the consistency of colour of the picture of terminal unit shooting, carry further
High Consumer's Experience.
Following for disclosure device embodiment, can be used for executing method of disclosure embodiment.Real for disclosure device
Apply the details not disclosed in example, refer to method of disclosure embodiment.
Fig. 5 is a kind of block diagram of the flash lamp examination device according to an exemplary embodiment.This device can pass through
Software, hardware or both be implemented in combination with.As shown in figure 5, the flash lamp that the present embodiment provides checks and accepts device including:
First determining module 51, be configured to according to the position in r/g-b/g coordinate system for the standard light source selected and
Default range of error determines the qualified region of flash lamp in chrominance space coordinate system.
Wherein, the region that position in r/g-b/g coordinate system for the selected standard light source is formed with default range of error
The region that can correctly reduce for the white balance algorithm of terminal unit.
Second determining module 52, is configured as position in chrominance space coordinate system for the flash lamp qualified positioned at flash lamp
When in region, determine that flash lamp is qualified flash lamp.
The flash lamp that the embodiment of the present disclosure provides checks and accepts device, by arranging the first determining module, is configured to according to choosing
Fixed standard light source determines the sudden strain of a muscle in chrominance space coordinate system in the position in r/g-b/g coordinate system and default range of error
The qualified region of light lamp, wherein, the selected standard light source position in r/g-b/g coordinate system and default range of error are formed
Region is the region that can correctly reduce of white balance algorithm of terminal unit, and the second determining module is configured as flash lamp in color
When position in degree space coordinates is located in the qualified region of flash lamp, determine that flash lamp is qualified flash lamp it is achieved that true
It is contemplated that what the white balance algorithm of terminal unit can correctly reduce during the qualified region of flash lamp in fixation degree space coordinates
Region, the flash lamp checked and accepted using this kind of method, when being installed on terminal unit it is ensured that the picture that shoots of terminal unit
Consistency of colour, thus, improve Consumer's Experience.
Fig. 6 is the block diagram checking and accepting device according to a kind of flash lamp that another exemplary implements to exemplify.As shown in fig. 6, this
The flash lamp that open embodiment provides checks and accepts device, on the basis of embodiment illustrated in fig. 5, also includes:
3rd determining module 61, is configured to the position in r/g-b/g coordinate system according to the standard light source selected and determines
Default range of error.
Optionally, the 3rd determining module 61 may include that selection submodule 611, is configured to choose chrominance space coordinate
Flash lamp test zone in predetermined threshold value for the flash lamp color distortion in system；First determination sub-module 612, is configured to determine that
The flash lamp of the central point in flash lamp test zone and the flash lamp on four summits positioned at flash lamp test zone；
Second determination sub-module 613, the flash lamp being configured to determine that the flash lamp of central point and four summits is in r/g-b/g coordinate
Position in system；3rd determination sub-module 614, is configured as the position of flash lamp of central point and the standard light source selected
When position overlaps, according to four summits in position in r/g-b/g coordinate system for the flash lamp and selected standard light source in r/
Position in g-b/g coordinate system determines default range of error.
The flash lamp that the embodiment of the present disclosure provides checks and accepts device, is included by arranging the 3rd determining module: selection submodule,
First determination sub-module, the second determination sub-module and the 3rd determination sub-module it is achieved that determine default range of error when,
It is ensured that the default range of error finally determined is more accurately and more reasonable by the way of experimental verification, thus, further
Ensure that the consistency of colour of the picture that terminal unit shoots, further increase Consumer's Experience.
Fig. 7 is a kind of block diagram of the flash lamp examination device according to another exemplary embodiment.As shown in fig. 7, this
The flash lamp that open embodiment provides checks and accepts device on the basis of embodiment illustrated in fig. 6, also includes:
Acquisition module 71, the position of flash lamp being configured as central point is misaligned with the position of the standard light source selected
When, readjust flash lamp test zone, obtain the flash lamp test zone after updating, until the flash lamp test section after updating
Position in r/g-b/g coordinate system for the flash lamp of the central point in domain is overlapped with the position of the standard light source selected.
4th determining module 72, is configured to determine that the flash lamp on four summits in the flash lamp test zone after renewal exists
Position in r/g-b/g coordinate system.
5th determining module 73, is configured to be existed according to the flash lamp on four summits in the flash lamp test zone after updating
Position in r/g-b/g coordinate system for the position and selected standard light source in r/g-b/g coordinate system determines default error
Scope.
The flash lamp that the embodiment of the present disclosure provides checks and accepts device, by arranging acquisition module, is configured as central point
When the position of flash lamp is misaligned with the position of the standard light source selected, readjust flash lamp test zone, obtain after updating
Flash lamp test zone, until update after flash lamp test zone in central point flash lamp in r/g-b/g coordinate system
In position overlaps with the position of standard light source selected, the 4th determining module, be configured to determine that the survey of the flash lamp after renewal
In examination region, position in r/g-b/g coordinate system for the flash lamp on four summits, the 5th determining module, are configured to according to renewal
Position in r/g-b/g coordinate system for the flash lamp on four summits and selected standard light source in flash lamp test zone afterwards
Position in r/g-b/g coordinate system determine default range of error it is achieved that determine default range of error when, using reality
The mode of checking it is ensured that the default range of error finally determined is more accurately and more reasonable, thus, further ensure
The consistency of colour of the picture that terminal unit shoots, further increases Consumer's Experience.
Fig. 8 is a kind of block diagram of the flash lamp examination device according to further example embodiment.As shown in figure 8, this
The flash lamp that open embodiment provides checks and accepts device on the basis of Fig. 5 to embodiment illustrated in fig. 7, also includes:
6th determining module 81, is configured as position in chrominance space coordinate system for the flash lamp qualified beyond flash lamp
During 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 arranging the 6th determining module, is configured as glistening
When position in chrominance space coordinate system for the lamp exceeds flash lamp qualified region, determine that flash lamp is unqualified flash lamp, realize
During the flash lamp checked and accepted using this kind of method, the flash lamp that will not belong to the qualified region of flash lamp is defined as unqualified flash of light
Lamp, thus, it is to avoid the discordance of the color of picture that terminal unit shoots, thus, improve Consumer's Experience.
Fig. 9 is the block diagram checking and accepting device according to a kind of flash lamp that another exemplary implements to exemplify.The embodiment of the present disclosure
The flash lamp providing checks and accepts device, on the basis of Fig. 5 to embodiment illustrated in fig. 7, the inside of the first determining module 51 is realized
Make a detailed description.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:
Determination sub-module 511, is configured to according to the position in r/g-b/g coordinate system for the standard light source selected and pre-
If range of error determine the qualified region of flash lamp in r/g-b/g coordinate system.
Transformation submodule 512, being configured to will be qualified for the flash lamp in r/g-b/g coordinate system according to coordinate system transformation method
Region is converted in chrominance space coordinate system, determines the qualified region of flash lamp in chrominance space coordinate system.
The flash lamp that the embodiment of the present disclosure provides checks and accepts device, includes determination sub-module by arranging the first determining module,
It is configured to position in r/g-b/g coordinate system for the selected standard light source of basis and default range of error determines r/g-b/
The qualified region of flash lamp in g coordinate system, transformation submodule, it is configured to r/g-b/g coordinate according to coordinate system transformation method
The qualified region of flash lamp in system is converted in chrominance space coordinate system, determines the qualified area of flash lamp in chrominance space coordinate system
Domain, determine chrominance space coordinate system in flash lamp qualified region when, it is first determined go out the flash lamp in r/g-b/g coordinate system
Qualified region, further according to coordinate system transformation method, qualified for the flash lamp in r/g-b/g coordinate system region is converted into chrominance space
In coordinate system, and then determine the qualified region of flash lamp in chrominance space coordinate system, its conversion process realizes simple, accuracy rate
Higher, thus, further ensure the consistency of colour of the picture of terminal unit shooting, further increase Consumer's Experience.
The foregoing describe built-in function and the structure that flash lamp checks and accepts device.Figure 10 is to implement to illustrate according to another exemplary
A kind of flash lamp going 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 now:
Processor 111.For storing the memorizer 112 of processor 111 executable instruction.
Wherein, processor 111 is configured to:
Determine that colourity is empty according to position in r/g-b/g coordinate system for the selected standard light source and default range of error
Between the qualified region of flash lamp in coordinate system；Wherein, position in r/g-b/g coordinate system for the selected standard light source with default
The region that range of error is formed is the region that can correctly reduce of white balance algorithm of terminal unit；If flash lamp is sat in chrominance space
Position in mark system is located in the qualified region of flash lamp it is determined that flash lamp is qualified flash lamp.
Figure 11 is a kind of block diagram of the flash lamp examination device according to an exemplary embodiment.For example, flash lamp is tested
Receiving apparatus 1900 may be provided in a server.With reference to Figure 11, flash lamp is checked and accepted device 1900 and is included process assembly 1922, its
Further include one or more processors, and the memory resource representated by memorizer 1932, can be by for storage
The instruction of the execution of reason assembly 1922, such as application program.In memorizer 1932 storage application program can include one or
More than one each correspond to one group instruction module.Additionally, process assembly 1922 is configured to execute instruction, to execute
Above-mentioned flash lamp acceptance method.
Flash lamp examination device 1900 can also include a power supply module 1926 and be configured to execute flash lamp examination dress
Put 1900 power management, a wired or wireless network interface 1950 is configured to be connected to flash lamp examination device 1900
Network, and input and output (i/o) interface 1958.Flash lamp examination device 1900 can operate to be based on and be stored in memorizer
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 described storage medium checks and accepts device by flash lamp
Computing device 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 description and putting into practice invention disclosed herein, will readily occur to its of the disclosure
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations are followed the general principle of the disclosure and are included the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments be considered only as exemplary, the true scope of the disclosure and spirit by following
Claims are pointed out.
It should be appreciated that the disclosure is not limited to be described above and precision architecture illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present disclosure only to be limited by appending claims
System.
Claims (13)
1. a kind of flash lamp acceptance method is it is characterised in that include:
Determine that chrominance space is sat according to position in r/g-b/g coordinate system for the selected standard light source and default range of error
The qualified region of flash lamp in mark system；Wherein, position in described r/g-b/g coordinate system for the described selected standard light source with pre-
If the region that formed of range of error be terminal unit the region that can correctly reduce of white balance algorithm；
If flash lamp is located in the qualified region of described flash lamp it is determined that described flash lamp in the position in chrominance space coordinate system
For qualified flash lamp.
2. method according to claim 1 is it is characterised in that the standard light source selected in described basis is sat in r/g-b/g
Position in mark system and before default range of error determines the qualified region of flash lamp in chrominance space coordinate system, described side
Method also includes:
Described default range of error is determined according to position in described r/g-b/g coordinate system for the described selected standard light source.
3. method according to claim 2 it is characterised in that described according to described selected standard light source in described r/g-
Position in b/g coordinate system determines that described default range of error includes:
Choose flash lamp test zone in predetermined threshold value for the flash lamp color distortion in described chrominance space coordinate system；
Determine the flash lamp of central point being located in described flash lamp test zone and be located at described flash lamp test zone
The flash lamp on four summits；
Determine the flash lamp on the flash lamp of the described central point and described four summits position in described r/g-b/g coordinate system
Put；
If the position of the flash lamp of described central point is overlapped with the position of described selected standard light source, pushed up according to described four
Point is in position in described r/g-b/g coordinate system for the flash lamp and described selected standard light source in described r/g-b/g coordinate
Position in system determines described default range of error.
4. method according to claim 3 is it is characterised in that methods described also includes:
If the position of the flash lamp of described central point is misaligned with the position of described selected standard light source, readjust described
Flash lamp test zone, obtains the flash lamp test zone after updating, until in the flash lamp test zone after described renewal
Position in described r/g-b/g coordinate system for the flash lamp of central point is overlapped with the position of described selected standard light source；
Position in described r/g-b/g coordinate system for the flash lamp on four summits in flash lamp test zone after determination renewal；
Position in described r/g-b/g coordinate system for the flash lamp according to four summits in the flash lamp test zone after described renewal
Put and position in described r/g-b/g coordinate system for the described selected standard light source determines described default range of error.
5. method as claimed in any of claims 1 to 4 is it is characterised in that methods described also includes:
If position in described chrominance space coordinate system for the described flash lamp exceeds the qualified region of described flash lamp it is determined that described
Flash lamp is unqualified flash lamp.
6. method as claimed in any of claims 1 to 4 it is characterised in that described basis select standard light source
Determine the qualified area of flash lamp in chrominance space coordinate system in the position in r/g-b/g coordinate system and default range of error
Domain, comprising:
True according to position in described r/g-b/g coordinate system for the described selected standard light source and described default range of error
The qualified region of flash lamp in fixed described r/g-b/g coordinate system；
The qualified region of flash lamp in described r/g-b/g coordinate system is converted into by described chrominance space according to coordinate system transformation method
In coordinate system, determine the qualified region of flash lamp in described chrominance space coordinate system.
7. a kind of flash lamp checks and accepts device it is characterised in that including:
First determining module, is configured to according to the position in r/g-b/g coordinate system for the standard light source selected and default
Range of error determines the qualified region of flash lamp in chrominance space coordinate system；Wherein, described selected standard light source is in described r/
The region that position in g-b/g coordinate system is formed with default range of error is that the white balance algorithm of terminal unit can correctly reduce
Region；
Second determining module, is configured as position in chrominance space coordinate system for the flash lamp and is located at the qualified area of described flash lamp
When in domain, determine that described flash lamp is qualified flash lamp.
8. device according to claim 7 is it is characterised in that described device also includes:
3rd determining module, is configured to the position in described r/g-b/g coordinate system according to described selected standard light source true
Fixed described default range of error.
9. device according to claim 8 is it is characterised in that described 3rd determining module includes:
Choose submodule, be configured to choose sudden strain of a muscle in predetermined threshold value for the flash lamp color distortion in described chrominance space coordinate system
Light lamp test region；
First determination sub-module, is configured to determine that the flash lamp of central point and position in described flash lamp test zone
Flash lamp in four summits of described flash lamp test zone；
Second determination sub-module, the flash lamp being configured to determine that the flash lamp of described central point and described four summits is in institute
State the position in r/g-b/g coordinate system；
3rd determination sub-module, is configured as the position of flash lamp of described central point and the position of described selected standard light source
When putting coincidence, according to described four summits in position in described r/g-b/g coordinate system for the flash lamp and described selected mark
Position in described r/g-b/g coordinate system for the quasi-optical source determines described default range of error.
10. device according to claim 9 is it is characterised in that described device also includes:
Acquisition module, is configured as the position of flash lamp of described central point and the position of described selected standard light source does not weigh
During conjunction, readjust described flash lamp test zone, obtain the flash lamp test zone after updating, until the sudden strain of a muscle after described renewal
Position in described r/g-b/g coordinate system for the flash lamp of the central point in light lamp test region and described selected standard light source
Position overlap；
4th determining module, the flash lamp being configured to determine that four summits in the flash lamp test zone after renewal is in described r/
Position in g-b/g coordinate system；
5th determining module, in the flash lamp test zone after being configured to according to described renewal, the flash lamp on four summits is in institute
State position and described selected standard light source in the r/g-b/g coordinate system position in described r/g-b/g coordinate system to determine
Described default range of error.
11. devices according to any one in claim 7 to 10 are it is characterised in that described device also includes:
6th determining module, is configured as position in described chrominance space coordinate system for the described flash lamp and exceeds described flash of light
During the qualified region of lamp, determine that described flash lamp is unqualified flash lamp.
12. devices according to any one in claim 7 to 10 are it is characterised in that described first determining module includes:
Determination sub-module, be configured to according to position in described r/g-b/g coordinate system for the described selected standard light source and
Described default range of error determines the qualified region of flash lamp in described r/g-b/g coordinate system；
Transformation submodule, is configured to the qualified area of flash lamp in described r/g-b/g coordinate system according to coordinate system transformation method
Domain is converted in described chrominance space coordinate system, determines the qualified region of flash lamp in described chrominance space coordinate system.
A kind of 13. flash lamies check and accept device it is characterised in that including:
Processor；
For storing the memorizer of described processor executable；
Wherein, described processor is configured to:
Determine that chrominance space is sat according to position in r/g-b/g coordinate system for the selected standard light source and default range of error
The qualified region of flash lamp in mark system；Wherein, position in described r/g-b/g coordinate system for the described selected standard light source with pre-
If the region that formed of range of error be terminal unit the region that can correctly reduce of white balance algorithm；
If flash lamp is located in the qualified region of described flash lamp it is determined that described flash lamp in the position in chrominance space coordinate system
For qualified flash lamp.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848730.6A CN106370398B (en) | 2016-09-23 | 2016-09-23 | Flash lamp acceptance method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848730.6A CN106370398B (en) | 2016-09-23 | 2016-09-23 | Flash lamp acceptance method and device |
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