CN107677377A - Determine the method and device of colour temperature - Google Patents
Determine the method and device of colour temperature Download PDFInfo
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- CN107677377A CN107677377A CN201710875166.1A CN201710875166A CN107677377A CN 107677377 A CN107677377 A CN 107677377A CN 201710875166 A CN201710875166 A CN 201710875166A CN 107677377 A CN107677377 A CN 107677377A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/60—Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature
- G01J5/601—Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature using spectral scanning
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Abstract
The disclosure is directed to a kind of method and device for determining colour temperature, to improve the accuracy of detection colour temperature.Methods described includes：Determine the first spectral signature of light source to be measured；The spectral signature to match with the first spectral signature is determined from least one default respective second spectral signature of light source；It is determined that calibration factor corresponding with the spectral signature that the first spectral signature matches；The colour temperature of light source to be measured is determined based on calibration factor.Disclosed technique scheme can improve the accuracy of detection colour temperature.
Description
Technical field
This disclosure relates to sensor technical field, more particularly to a kind of method and device for determining colour temperature.
Background technology
In correlation technique, relative color temperature value can be obtained using RGB light Sensor (RGB light sensor).
But because individual has differences, want to obtain relatively accurate relative color temperature value, it is necessary to do monomer to RGB light Sensor
Calibration.At present, calibrating mode is mostly：One group of calibration factor is obtained under multiple light sources, passes through one group of calibration system to acquisition
Number is fitted to obtain calibration factor average value, based on calibration factor mean value calculation with respect to color temperature value.
The content of the invention
To overcome problem present in correlation technique, the embodiment of the present disclosure provides a kind of method and device for determining colour temperature,
To improve the accuracy of detection colour temperature.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of method for determining colour temperature, including：
Determine the first spectral signature of light source to be measured；
Determine what is matched with first spectral signature from least one default respective second spectral signature of light source
Spectral signature；
It is determined that calibration factor corresponding with the spectral signature that first spectral signature matches；
The colour temperature of the light source to be measured is determined based on the calibration factor.
In one embodiment, before first spectral signature for determining light source to be measured, it may include：
Determine the spectral information of the light source to be measured；
First spectral signature for determining light source to be measured, it may include：
Determine at least one fisrt feature information in the spectral information；
First spectral signature is determined based at least one fisrt feature information.
In one embodiment, it is described to be determined from least one default respective second spectral signature of light source and described the
The spectral signature that one spectral signature matches, it may include：
Determine at least one second feature letter that at least one default respective second spectral signature of light source includes
Breath；
Based at least one fisrt feature information and at least one second feature information, to first spectrum
Feature is matched with least one default respective second spectral signature of light source, obtains matching result；
The spectral signature for determining to match with first spectral signature based on the matching result.
In one embodiment, the spectrum for determining to match with first spectral signature based on the matching result
Feature, it may include：
First spectral signature and at least one default respective second spectrum of light source are determined based on the matching result
The matching degree of feature, obtain at least one matching degree；
The matching degree higher than predetermined threshold value is determined from least one matching degree；
The second spectral signature corresponding to the matching degree of predetermined threshold value is will be above to be defined as and the first spectral signature phase
The spectral signature matched somebody with somebody.
In one embodiment, it is described to will be above the second spectral signature corresponding to the matching degree of predetermined threshold value and be defined as and institute
State the spectral signature that the first spectral signature matches, it may include：
When being higher than the predetermined threshold value in the presence of at least two matching degrees, it is determined that maximum matching degree；
The light that second spectral signature corresponding to the maximum matching degree is defined as matching with first spectral signature
Spectrum signature.
In one embodiment, after first spectral signature for determining light source to be measured, may also include：
Do not obtained and first spectral signature when from least one default respective second spectral signature of light source
During the spectral signature to match, at least one default each self-corresponding calibration factor of light source is determined；
The colour temperature of the light source to be measured is determined based at least one default each self-corresponding calibration factor of light source.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of device for determining colour temperature, including：
First determining module, it is configured to determine that the first spectral signature of light source to be measured；
Second determining module, be configured as from least one default respective second spectral signature of light source determine with it is described
The spectral signature that first spectral signature matches；
3rd determining module, it is configured to determine that calibration corresponding with the spectral signature that first spectral signature matches
Coefficient；
4th determining module, it is configured as determining the colour temperature of the light source to be measured based on the calibration factor.
In one embodiment, described device, may also include：
5th determining module, it is configured to determine that the spectral information of the light source to be measured；
First determining module, including：
First determination sub-module, at least one fisrt feature information being configured to determine that in the spectral information；
Second determination sub-module, it is configured as determining first Spectral Properties based at least one fisrt feature information
Sign.
In one embodiment, second determining module, it may include：
3rd determination sub-module, it is configured to determine that at least one default respective second spectral signature of light source and wraps
At least one second feature information included；
Matched sub-block, it is configured as based at least one fisrt feature information and at least one second feature
Information, first spectral signature is matched with least one default respective second spectral signature of light source, obtained
Matching result；
4th determination sub-module, it is configured as determining what is with first spectral signature matched based on the matching result
Spectral signature.
In one embodiment, the 4th determination sub-module, it may include：
5th determination sub-module, be configured as based on the matching result determine first spectral signature with it is at least one
The matching degree of respective second spectral signature of default light source, obtains at least one matching degree；
6th determination sub-module, it is configured as determining the matching higher than predetermined threshold value from least one matching degree
Degree；
7th determination sub-module, it is configured as will be above the second spectral signature corresponding to the matching degree of predetermined threshold value and is defined as
The spectral signature to match with first spectral signature.
In one embodiment, the 7th determination sub-module, it may include：
8th determination sub-module, it is configured as when being higher than the predetermined threshold value in the presence of at least two matching degrees, really
Fixed maximum matching degree；
9th determination sub-module, be configured as by the second spectral signature corresponding to the maximum matching degree be defined as with it is described
The spectral signature that first spectral signature matches.
In one embodiment, described device, may also include：
6th determining module, it is configured as not obtaining from least one default respective second spectral signature of light source
During to the spectral signature to match with first spectral signature, at least one default each self-corresponding calibration of light source is determined
Coefficient；
7th determining module, it is configured as determining institute based at least one default each self-corresponding calibration factor of light source
State the colour temperature of light source to be measured.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of device for determining colour temperature, including：
Processor；
For storing the memory of processor-executable instruction；
Wherein, the processor is configured as：
Determine the first spectral signature of light source to be measured；
Determine what is matched with first spectral signature from least one default respective second spectral signature of light source
Spectral signature；
It is determined that calibration factor corresponding with the spectral signature that first spectral signature matches；
The colour temperature of the light source to be measured is determined based on the calibration factor.
According to the fourth aspect of the embodiment of the present disclosure, there is provided a kind of computer-readable recording medium, be stored thereon with calculating
Machine program, the computer program realize following steps when being executed by processor：
Determine the first spectral signature of light source to be measured；
Determine what is matched with first spectral signature from least one default respective second spectral signature of light source
Spectral signature；
It is determined that calibration factor corresponding with the spectral signature that first spectral signature matches；
The colour temperature of the light source to be measured is determined based on the calibration factor.
The technical scheme provided by this disclosed embodiment can include the following benefits：By Spectral matching, from least
The spectral signature to match with the first spectral signature of light source to be measured is determined in one default respective second spectral signature of light source,
It is then determined calibration factor corresponding with the spectral signature that the first above-mentioned spectral signature matches, according to above-mentioned first
Calibration factor corresponding to the spectral signature that spectral signature matches, determine the colour temperature of light source to be measured.It is, pass through spectrum
Match somebody with somebody, the default light source with the Spectral matching of light source to be measured is found out from least one default light source, using the light with light source to be measured
The calibration factor for composing the default light source of matching determines the colour temperature of light source to be measured.This way it is possible to avoid directly by using at least one
The average value of the calibration factor of individual default light source determines the colour temperature of light source to be measured, can improve the accuracy of detection colour temperature.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Figure 1A is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment.
Figure 1B is the spectral schematic of the D65 light sources according to an exemplary embodiment.
Fig. 2 is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment one.
Fig. 3 is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment two.
Fig. 4 is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment three.
Fig. 5 is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment four.
Fig. 6 is a kind of block diagram of the device of determination colour temperature according to an exemplary embodiment.
Fig. 7 is the flow chart that the device of fixation temperature really is shown according to an exemplary embodiment five.
Fig. 8 is the flow chart that the device of fixation temperature really is shown according to an exemplary embodiment six.
Fig. 9 is the flow chart that the device of fixation temperature really is shown according to an exemplary embodiment seven.
Figure 10 is the flow chart that the device of fixation temperature really is shown according to an exemplary embodiment eight.
Figure 11 is a kind of block diagram of the device of determination colour temperature according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description 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 and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
Figure 1A is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment, and Figure 1B is according to an example
Property implement the spectral schematic of D65 light sources that exemplifies.The method of the determination colour temperature, which can be applied, is possessing color temperature sensor (ratio
Such as RGB sensor) terminal device (such as：Smart mobile phone, tablet personal computer) on.As shown in Figure 1A, the method for the determination colour temperature
Comprise the following steps S101-S104：
In step S101, the first spectral signature of light source to be measured is determined.
For spectrum, be polychromatic light after dispersion system (such as prism, grating) light splitting, the monochromatic light opened by dispersion is by ripple
The pattern grown (or frequency) size and be arranged in order, full name is optical spectrum.In one exemplary embodiment, a kind of light source
Spectrum can be each monochromatic relative intensity for being opened by dispersion of light of light source transmitting by wavelength (or frequency) size and according to
The pattern of secondary arrangement.For example, being the spectral schematic of D65 light sources as shown in Figure 1B, transverse axis is wavelength, and unit is nanometer (nm),
The longitudinal axis is relative intensity.The light of D65 light sources transmitting is polychromatic light, and the monochromatic wavelength opened by dispersion is continuous, and wavelength is big
Small range is between 350nm~750nm.The monochromatic relative intensity for the different wave length opened by dispersion can be with different.
It is the feature that a kind of spectrum of the light of light source transmitting has, it is possible to distinguish in another light source for spectral signature
The spectrum of the light of transmitting.The spectrum of the light of every kind of light source transmitting has respective feature.Continuation exemplary embodiments mentioned above, one
The spectral signature of kind light source can be by each self-corresponding wavelength of characteristic point all or part of in spectrum and relative intensity structure
Into, wherein, the relative intensity of the corresponding wavelength of each characteristic point and the wavelength.For example, as shown in Figure 1B, D65 light sources
Spectral signature can be made up of each self-corresponding wavelength of characteristic point O, P, Q, R, S, T in spectrum and relative intensity.
In the present embodiment, the first above-mentioned spectral signature can be determined based on the spectral information of light source to be measured.Wherein, light
Spectrum information can be the curve map or tables of data of the spectrum on light source to be measured.The spectral information for treating light-metering source enters
Row data processing, the first above-mentioned spectral signature can be obtained.In one exemplary embodiment, the spectral information of light source to be measured
It is the curve map on spectrum, point corresponding to maximum value minimum present on curve map can be obtained by data processing, makees
It is characterized a little, and obtains each self-corresponding wavelength of characteristic point, relative intensity, forms the first spectral signature.
In step s 102, determined and first spectrum from least one default respective second spectral signature of light source
The spectral signature that feature matches.
In the present embodiment, the second spectral signature of at least one default light source can be previously stored with terminal device.
In one exemplary embodiment, Spectral Properties corresponding to light source D65, D50, A, TL84, H can be previously stored with terminal device
Sign.Wherein, D65 light sources are international standard alpine light (Artificial Daylight), colour temperature 6500K, power 18W.
The colour temperature of D50 light sources is 5000K.A light sources are American kitchen window shot-light, colour temperature 2856K, power 60W.TL84 light sources are Europe
Continent, Japan, Chinese shop light source, colour temperature 4000K, power 18W.The colour temperature of H light sources is 2300K.
In exemplary embodiments mentioned above, above-mentioned at least one default respective second spectral signature of light source is also by right
Each self-corresponding wavelength of all or part of characteristic point and relative intensity are formed in the spectrum answered.For example, default light source D65
Spectral signature can be by each self-corresponding wavelength of characteristic point O ', P ', Q ', R ', S ', T ', G ' and relative intensity in spectrum
Form.
In the present embodiment, by the first spectral signature respectively with above-mentioned at least one default light source respective second
Spectral signature is matched, to determine the spectral signature to match with the first spectral signature.When to the first spectral signature with it is above-mentioned
The second spectral signature of default light source when being matched, characteristic point and the second light that the first spectral signature can be included
The characteristic point that spectrum signature includes is compared respectively, determines Feature Points Matching number.Wherein, when it is determined that two characteristic points it is respective
Wavelength, relative intensity is when corresponding to identical, it may be determined that two Feature Points Matchings.Distinguished point based matching number and the first spectrum
The feature that feature includes, which is counted out, determines the matching degree of the first spectral signature and the second spectral signature.When it is determined that the first spectral signature
When being higher than predetermined threshold value with the matching degree of the second spectral signature, it may be determined that the first spectral signature and second spectral signature
Match somebody with somebody.
In one exemplary embodiment, it is determined that light source to be measured the first spectral signature by above-mentioned characteristic point O, P, Q,
R, each self-corresponding wavelength of S, T and relative intensity are formed, and light source D65, D50, A, TL84, H are previously stored with terminal device
Corresponding spectral signature.Determined and the first spectral signature phase from spectral signature corresponding to light source D65, D50, A, TL84, H
During the spectral signature matched somebody with somebody, respectively by the spectral signature progress corresponding with light source D65, D50, A, TL84, H of the first spectral signature
Match somebody with somebody, it is determined that the spectral signature to match with first spectral signature.When by the first spectral signature and light source D65 spectral signature
When being matched, by each self-corresponding wavelength of characteristic point O, P, Q, R, S, T and relative intensity Spectral Properties with D65 light sources one by one
Each self-corresponding wavelength of characteristic point O ', P ', Q ', R ', S ', T ', G ' included and relative intensity contrast are levied, obtains contrast knot
Fruit：Each self-corresponding wavelength of characteristic point O, P, Q, R, S, T and relative intensity are each with characteristic point O ', P ', Q ', R ', S ', T ' respectively
Self-corresponding wavelength and relative intensity correspond to identical.For example, the wavelength phase corresponding with characteristic point O ' of wavelength corresponding to characteristic point O
Together, relative intensity is identical with relative intensity corresponding to characteristic point O ' corresponding to characteristic point O.Characteristic point is determined according to comparing result
It is 6 with number, because the feature that the first spectral signature includes is counted out as 7, so the first spectral signature and second can be determined
The matching degree of spectral signature is 85.7%.Assuming that predetermined threshold value is 85%, then the first spectral signature and the second spectrum can be determined
The matching degree of feature is higher than predetermined threshold value.It can further determine that with the spectral signature that first spectral signature matches be pre-
If light source D65 spectral signature.
In step s 103, it is determined that calibration factor corresponding with the spectral signature that first spectral signature matches.
In the present embodiment, above-mentioned at least one default respective calibration system of light source is also previously stored with terminal device
Number.Above-mentioned at least one default respective calibration factor of light source can be with above-mentioned at least one default light source respective second
Spectral signature is corresponding to be stored.In exemplary embodiments mentioned above, the calibration factor for presetting light source D65 can be with default light source
D65 the second spectral signature is corresponding to be stored.
When it is determined that match with first spectral signature spectral signature after, it may be determined that with first spectral signature
Calibration factor corresponding to the spectral signature to match.In exemplary embodiments mentioned above, when it is determined that with first Spectral Properties
After levying the spectral signature that the spectral signature to match is default light source D65, it may be determined that default light source D65 calibration factor.
In step S104, the colour temperature of the light source to be measured is determined based on the calibration factor.
In the present embodiment, can be by corresponding calibrate of the spectral signature that will be matched with first spectral signature
Number substitutes into the calculating formula for calculating colour temperature, obtains the colour temperature of light source to be measured.In exemplary embodiments mentioned above, when it is determined that with it is described
, can be by the default light source D65 of determination after spectral signature of the spectral signature that first spectral signature matches for default light source D65
Calibration factor substitute into calculate colour temperature calculating formula, obtain the colour temperature of light source to be measured.
Generally, it is that spectrum corresponding at least one default light source is prestored in terminal device in the present embodiment
Feature and calibration factor, when detecting the colour temperature of light source to be measured, the spectrum with light source to be measured can be found by Spectral matching
The default light source matched somebody with somebody, the calibration system by the calibration factor of the default light source of the Spectral matching with light source to be measured as light source to be measured
Number, and the calculating formula for calculating colour temperature is substituted into, obtain the colour temperature of light source to be measured.
In the present embodiment, by Spectral matching, determined from least one default respective second spectral signature of light source with
The spectral signature that first spectral signature of light source to be measured matches, it is then determined match with the first above-mentioned spectral signature
Calibration factor corresponding to spectral signature, it is according to corresponding calibrate of the spectral signature to match with the first above-mentioned spectral signature
Number, determine the colour temperature of light source to be measured.It is, by Spectral matching, found out from least one default light source and light source to be measured
Spectral matching default light source, light source to be measured is determined using the calibration factor of the default light source of the Spectral matching with light source to be measured
Colour temperature.This way it is possible to avoid the average value directly by using the calibration factor of at least one default light source is to be measured to determine
The colour temperature of light source, and the calibration factor for the default light source that can be based on matching with the spectral signature of light source to be measured determine it is to be measured
The colour temperature of light source, reduce the factor that colour temperature calculates that influences, the accuracy of detection colour temperature can be improved.
In one embodiment, before first spectral signature for determining light source to be measured, it may include：
Determine the spectral information of the light source to be measured；
First spectral signature for determining light source to be measured, it may include：
Determine at least one fisrt feature information in the spectral information；
First spectral signature is determined based at least one fisrt feature information.
In one embodiment, it is described to be determined from least one default respective second spectral signature of light source and described the
The spectral signature that one spectral signature matches, it may include：
Determine at least one second feature letter that at least one default respective second spectral signature of light source includes
Breath；
Based at least one fisrt feature information and at least one second feature information, to first spectrum
Feature is matched with least one default respective second spectral signature of light source, obtains matching result；
The spectral signature for determining to match with first spectral signature based on the matching result.
In one embodiment, the spectrum for determining to match with first spectral signature based on the matching result
Feature, it may include：
First spectral signature and at least one default respective second spectrum of light source are determined based on the matching result
The matching degree of feature, obtain at least one matching degree；
The matching degree higher than predetermined threshold value is determined from least one matching degree；
The second spectral signature corresponding to the matching degree of predetermined threshold value is will be above to be defined as and the first spectral signature phase
The spectral signature matched somebody with somebody.
In one embodiment, it is described to will be above the second spectral signature corresponding to the matching degree of predetermined threshold value and be defined as and institute
State the spectral signature that the first spectral signature matches, it may include：
When being higher than the predetermined threshold value in the presence of at least two matching degrees, it is determined that maximum matching degree；
The light that second spectral signature corresponding to the maximum matching degree is defined as matching with first spectral signature
Spectrum signature.
In one embodiment, after first spectral signature for determining light source to be measured, may also include：
Do not obtained and first spectral signature when from least one default respective second spectral signature of light source
During the spectral signature to match, at least one default each self-corresponding calibration factor of light source is determined；
The colour temperature of the light source to be measured is determined based at least one default each self-corresponding calibration factor of light source.
Specifically how colour temperature is determined, refer to subsequent embodiment.
So far, the above method that the embodiment of the present disclosure provides, can be each from least one default light source by Spectral matching
From the second spectral signature in determine the spectral signature that matches with the first spectral signature of light source to be measured, it is then determined with it is upper
Calibration factor corresponding to the spectral signature that the first spectral signature stated matches, match according to the first above-mentioned spectral signature
Spectral signature corresponding to calibration factor, determine the colour temperature of light source to be measured.It is, by Spectral matching, from least one pre-
If finding out the default light source with the Spectral matching of light source to be measured in light source, using the default light source of the Spectral matching with light source to be measured
Calibration factor determine the colour temperature of light source to be measured.This way it is possible to avoid directly by using the calibration of at least one default light source
The average value of coefficient determines the colour temperature of light source to be measured, can improve the accuracy of detection colour temperature.
The technical scheme of embodiment of the present disclosure offer is provided with specific embodiment below.
Fig. 2 is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment one；The present embodiment utilizes this
The above method that open embodiment provides, carried out so that the characteristic information in based on spectral information carries out Spectral matching as an example exemplary
Illustrate, as shown in Fig. 2 comprising the following steps：
In step s 201, the spectral information of the light source to be measured is determined.
In the present embodiment, it is determined that light source to be measured spectral information, can be each monochrome that light source colour to be measured scatters
Each list that the curve map or light source colour to be measured that the relative intensity of light is arranged in order by wavelength (or frequency) size scatter
The corresponding data table of the relative intensity of coloured light and corresponding wavelength (or frequency), wherein, corresponding to the field of wavelength (or frequency)
It can be arranged in order according to wavelength (or frequency) size.
In step S202, at least one fisrt feature information in the spectral information is determined.
In the present embodiment, by carrying out data processing to above-mentioned spectral information, at least one fisrt feature letter is obtained
Breath.In one exemplary embodiment, it is determined that the spectral information of light source to be measured be each monochromatic light for scattering of light source colour to be measured
The curve map that is arranged in order by wavelength (or frequency) size of relative intensity.By carrying out data processing to obtained curve map,
Obtain at least one characteristic point present on the curve map.By obtaining each self-corresponding wavelength of at least one characteristic point, relative
Intensity, wavelength, relative intensity corresponding to each characteristic point are defined as a fisrt feature information.Wherein, above-mentioned characteristic point
Can be point corresponding to maximum value on curve map or minimum.
In step S203, first spectral signature is determined based at least one fisrt feature information.
In the present embodiment, can by least one fisrt feature information of determination according to wavelength (frequency) size successively
The information being arranged to make up is defined as the first above-mentioned spectral signature.In one exemplary embodiment, as shown in Figure 1B, D65 light
The spectral signature in source can be that characteristic point O, P, Q, R, S, T each correspond to the information that fisrt feature information is arranged in order composition,
It can be that characteristic point T, S, R, Q, P, O each correspond to the information that fisrt feature information is arranged in order composition, but cannot be above-mentioned
The information that characteristic point is sequentially arranged to make up with other.
In step S204, at least one default respective second spectral signature of light source includes at least one is determined
Individual second feature information.
In the present embodiment, it is determined that at least one second feature information that the second spectral signature of default light source includes
The method at least one fisrt feature information that method includes to determining the first spectral signature of light source to be measured is similar, herein not
Repeat again.
In step S205, based at least one fisrt feature information and at least one second feature information,
First spectral signature is matched with least one default respective second spectral signature of light source, obtains matching knot
Fruit.
In the present embodiment, first spectral signature is being matched with the second spectral signature of a default light source
When, at least one fisrt feature information that the first spectral signature can be included according to put in order one by one with default light source
At least one second feature information that two spectral signatures include is matched.To first spectral signature and all default light
After respective second spectral characteristic matching in source terminates, matching result is obtained.
In the present embodiment, when being matched to a fisrt feature information with a second feature information, when first
Wavelength in characteristic information is identical with the wavelength of second feature information, and relative intensity and second feature in fisrt feature information
When the relative intensity of information is identical, the fisrt feature information and second feature information matches success, otherwise, it fails to match.
In the present embodiment, matching result includes the fisrt feature information of the first spectral signature and each second Spectral Properties
Levy it is respective including the successful number of second feature information matches.Based on matching result, can obtain the first spectral signature with
Each respective matching degree of second spectral signature.Wherein, for the matching degree of the first spectral signature and second spectral signature,
Equal to the fisrt feature information that the match is successful number account for the fisrt feature information that the first spectral signature includes total number hundred
Divide ratio.
In step S206, the spectral signature that determines to match with first spectral signature based on the matching result.
In the present embodiment, can be according to the first spectral signature in matching result and each respective of second spectral signature
With degree and predetermined threshold value, it is determined that the spectral signature to match with first spectral signature.In one exemplary embodiment, may be used
Will be greater than the Spectral Properties that the second spectral signature corresponding to the matching degree of predetermined threshold value is defined as matching with the first spectral signature
Sign.In another exemplary embodiment, when being higher than the predetermined threshold value in the presence of at least two matching degrees, it is determined that maximum matching
Degree, and the Spectral Properties that the second spectral signature corresponding to the maximum matching degree is defined as matching with first spectral signature
Sign.
In step S207, it is determined that calibration factor corresponding with the spectral signature that first spectral signature matches.
In step S208, the colour temperature of the light source to be measured is determined based on the calibration factor.
Step S207~S208 in the present embodiment is similar to step S103~S104 shown in Figure 1A, no longer superfluous herein
State.
In the present embodiment, by determining the characteristic information in spectral information, feature based information carries out Spectral matching, rather than
Matched based on the full detail in spectral information, it is determined that the spectral signature to match with the first spectral signature, data processing
Amount is few, can improve the speed of colour temperature detection.
Fig. 3 is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment two；The present embodiment utilizes this
The above method that open embodiment provides, by taking the spectral signature for determining to match with the first spectral signature based on matching result as an example
It is illustrative, as shown in figure 3, comprising the following steps：
In step S301, determine that first spectral signature and at least one default light source are each based on the matching result
From the second spectral signature matching degree, obtain at least one matching degree.
In step s 302, the matching degree higher than predetermined threshold value is determined from least one matching degree.
In step S303, it will be above the second spectral signature corresponding to the matching degree of predetermined threshold value and be defined as and described first
The spectral signature that spectral signature matches.
In the present embodiment, matching result includes the fisrt feature information of the first spectral signature and each second Spectral Properties
Levy the successful number of second feature information matches each included.For example, light source to be measured is D65, preset light source include D65,
D50、A、TL84、H.Matching result includes light source D65 to be measured fisrt feature information to be believed with default light source D65 second feature
The breath number that the match is successful, light source D65 to be measured fisrt feature information and default light source D50 second feature information matches success
Number ..., light source D65 to be measured fisrt feature information and the default light source H successful number of second feature information matches.
In the present embodiment, can based on above-mentioned matching result, determine the first above-mentioned spectral signature with it is above-mentioned extremely
The matching degree of few default respective second spectral signature of light source, obtains above-mentioned at least one matching degree.From it is above-mentioned to
The matching degree higher than predetermined threshold value is determined in a few matching degree, and will be above the second spectrum corresponding to the matching degree of predetermined threshold value
Feature is defined as the spectral signature to match with first spectral signature.
In the present embodiment, by determining the first spectral signature and at least one default light source respective the based on matching result
The matching degree of two spectral signatures, and the spectral signature for determining to match with the first spectral signature based on matching degree, calculate simply, have
Beneficial to the speed for improving detection colour temperature.
Fig. 4 is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment three；The present embodiment utilizes this
The above method that open embodiment provides, how to be determined and the first spectrum when being higher than predetermined threshold value in the presence of at least two matching degrees
It is illustrative exemplified by the spectral signature that feature matches, as shown in figure 4, comprising the following steps：
In step S401, when being higher than the predetermined threshold value in the presence of at least two matching degrees, it is determined that maximum matching
Degree.
In step S402, the second spectral signature corresponding to the maximum matching degree is defined as and first Spectral Properties
Levy the spectral signature to match.
In the present embodiment, if it is determined that at least two matching degrees be present and be higher than predetermined threshold value, then from higher than predetermined threshold value
Matching degree in determine maximum matching degree, and the second spectral signature corresponding to maximum matching degree is defined as and the first spectral signature
The spectral signature to match.So, the accuracy for the spectral signature for being defined as matching with the first spectral signature can be improved, is entered
And the accuracy of colour temperature detection can be improved.
Fig. 5 is the flow chart that the method for fixation temperature really is shown according to an exemplary embodiment four；The present embodiment utilizes this
The above method that open embodiment provides, not obtained from least one default respective second spectral signature of light source and first
It is illustrative exemplified by the spectral signature that spectral signature matches, as shown in figure 5, comprising the following steps：
In step S501, the first spectral signature of light source to be measured is determined.
In step S502, determined and first spectrum from least one default respective second spectral signature of light source
The spectral signature that feature matches.
In step S503, when do not obtained from least one default respective second spectral signature of light source with it is described
During the spectral signature that the first spectral signature matches, at least one default each self-corresponding calibration factor of light source is determined.
In step S504, based at least one each self-corresponding calibration factor of default light source determine described in treat light-metering
The colour temperature in source.
Step S501 in the present embodiment is similar to the step S101 shown in Figure 1A, will not be repeated here.In the present embodiment
Step S502 specific implementation method be referred to method described in any of the above-described embodiment, will not be repeated here.
In the present embodiment, when any one matching degree is below predetermined threshold value in above-mentioned at least one matching degree,
It can be considered as and not obtained and the first spectral signature phase from least one default respective second spectral signature of light source
The spectral signature of matching.
In the present embodiment, do not obtained and the first spectrum when from least one default respective second spectral signature of light source
During the spectral signature that feature matches, above-mentioned at least one default each self-corresponding calibration factor of light source is determined.In a reality
Apply in example, the average value of at least one default each self-corresponding calibration factor of light source can be defined as the light source to be measured
Colour temperature.In another embodiment, the weighting of at least one default each self-corresponding calibration factor of light source can be put down
Average is defined as the colour temperature of the light source to be measured.Wherein, the weight system of each self-corresponding calibration factor of at least one default light source
Number can be based on each self-corresponding matching degree and determine.For example, the weight coefficient of default light source D50 calibration factor can be based in advance
If the matching degree of light source D50 the second spectral signature and the first above-mentioned spectral signature determines.Certainly, at least one default light source
The weight coefficient of each self-corresponding calibration factor can also determine by other means.
In the present embodiment, do not obtained and the first spectrum from least one default respective second spectral signature of light source
During the spectral signature that feature matches, above-mentioned at least one default each self-corresponding calibration factor of light source can be carried out asking flat
Equal method obtains calibration factor, and the colour temperature of light source to be measured is calculated based on the calibration factor, improves the compatibility of detection colour temperature
Property.
Fig. 6 is a kind of block diagram of the device of determination colour temperature according to an exemplary embodiment, as shown in fig. 6, determining
The device of colour temperature includes：
First determining module 61, it is configured to determine that the first spectral signature of light source to be measured；
Second determining module 62, it is configured as determination and institute from least one default light source respective second spectral signature
State the spectral signature that the first spectral signature matches；
3rd determining module 63, it is configured to determine that school corresponding with the spectral signature that first spectral signature matches
Quasi- coefficient；
4th determining module 64, it is configured as determining the colour temperature of the light source to be measured based on the calibration factor.
In exemplary embodiment five, as shown in fig. 7, determining the device of colour temperature, it may also include：
5th determining module 65, it is configured to determine that the spectral information of the light source to be measured；
First determining module 61, it may include：
First determination sub-module 611, at least one fisrt feature information being configured to determine that in the spectral information；
Second determination sub-module 612, it is configured as determining first light based at least one fisrt feature information
Spectrum signature.
Second determining module 62, it may include：
3rd determination sub-module 621, it is configured to determine that at least one default respective second spectral signature of light source
At least one second feature information included；
Matched sub-block 622, it is configured as being based at least one fisrt feature information and described at least one second
Characteristic information, first spectral signature is matched with least one default respective second spectral signature of light source,
Obtain matching result；
4th determination sub-module 623, it is configured as determining and the first spectral signature phase based on the matching result
The spectral signature matched somebody with somebody.
In exemplary embodiment six, as shown in figure 8, the 4th determination sub-module 623, it may include：
5th determination sub-module 6231, be configured as based on the matching result determine first spectral signature with least
The matching degree of one default respective second spectral signature of light source, obtains at least one matching degree；
6th determination sub-module 6232, it is configured as determining higher than predetermined threshold value from least one matching degree
With degree；
7th determination sub-module 6233, it is true to be configured as will be above the second spectral signature corresponding to the matching degree of predetermined threshold value
It is set to the spectral signature to match with first spectral signature.
In exemplary embodiment seven, as shown in figure 9, the 7th determination sub-module 6233, it may include：
8th determination sub-module 62331, it is configured as being higher than the predetermined threshold value in the presence of at least two matching degrees
When, it is determined that maximum matching degree；
9th determination sub-module 62332, it is configured as the second spectral signature corresponding to the maximum matching degree being defined as
The spectral signature to match with first spectral signature.
In exemplary embodiment eight, as shown in Figure 10, described device, it may also include：
6th determining module 66, be configured as from least one default respective second spectral signature of light source not
When obtaining the spectral signature to match with first spectral signature, at least one default each self-corresponding school of light source is determined
Quasi- coefficient；
7th determining module 67, it is configured as determining based at least one default each self-corresponding calibration factor of light source
The colour temperature of the light source to be measured.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Figure 11 is a kind of block diagram of the device of determination colour temperature according to an exemplary embodiment.For example, device 1100
Can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices,
Body-building equipment, personal digital assistant etc..
Reference picture 11, device 1100 can include following one or more assemblies：Processing component 1102, memory 1104,
Power supply module 1106, multimedia groupware 1108, audio-frequency assembly 1110, the interface 1112 of input/output (I/O), sensor cluster
1114, and communication component 1116.
The integrated operation of the usual control device 1100 of processing component 1102, such as communicated with display, call, data,
The operation that camera operation and record operation are associated.Treatment element 1102 can include one or more processors 1120 to perform
Instruction, to complete all or part of step of above-mentioned method.In addition, processing component 1102 can include one or more moulds
Block, the interaction being easy between processing component 1102 and other assemblies.For example, processing component 1102 can include multi-media module,
To facilitate the interaction between multimedia groupware 1108 and processing component 1102.
Memory 1104 is configured as storing various types of data to support the operation in equipment 1100.These data
Example includes being used for the instruction of any application program or method operated on device 1100, contact data, telephone book data,
Message, picture, video etc..Memory 1104 can by any kind of volatibility or non-volatile memory device or they
Combination is realized, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), it is erasable can
Program read-only memory (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash memory
Reservoir, disk or CD.
Electric power assembly 1106 provides electric power for the various assemblies of device 1100.Electric power assembly 1106 can include power management
System, one or more power supplys, and other components associated with generating, managing and distributing electric power for device 1100.
Multimedia groupware 1108 is included in the screen of one output interface of offer between described device 1100 and user.
In some embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel,
Screen may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch and passed
Sensor is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or slip be dynamic
The border of work, but also detect the duration and pressure related to the touch or slide.In certain embodiments, it is more
Media component 1108 includes a front camera and/or rear camera.When equipment 1100 is in operator scheme, mould is such as shot
When formula or video mode, front camera and/or rear camera can receive outside multi-medium data.Each preposition shooting
Head and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio-frequency assembly 1110 is configured as output and/or input audio signal.For example, audio-frequency assembly 1110 includes a wheat
Gram wind (MIC), when device 1100 is in operator scheme, during such as call model, logging mode and speech recognition mode, microphone quilt
It is configured to receive external audio signal.The audio signal received can be further stored in memory 1104 or via communication
Component 1116 is sent.In certain embodiments, audio-frequency assembly 1110 also includes a loudspeaker, for exports audio signal.
I/O interfaces 1112 provide interface, above-mentioned peripheral interface module between processing component 1102 and peripheral interface module
Can be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and
Locking press button.
Sensor cluster 1114 includes one or more sensors, and the state for providing various aspects for device 1100 is commented
Estimate.For example, sensor cluster 1114 can detect opening/closed mode of equipment 1100, the relative positioning of component, such as institute
The display and keypad that component is device 1100 are stated, sensor cluster 1114 can be with detection means 1100 or device 1,100 1
The position of individual component changes, the existence or non-existence that user contacts with device 1100, the orientation of device 1100 or acceleration/deceleration and dress
Put 1100 temperature change.Sensor cluster 1114 can include proximity transducer, be configured in no any physics
The presence of object nearby is detected during contact.Sensor cluster 1114 can also include optical sensor, as CMOS or ccd image are sensed
Device, for being used in imaging applications.In certain embodiments, the sensor cluster 1114 can also include acceleration sensing
Device, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 1116 is configured to facilitate the communication of wired or wireless way between device 1100 and other equipment.Dress
The wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof can be accessed by putting 1100.It is exemplary at one
In embodiment, communication component 1116 receives broadcast singal or broadcast correlation from external broadcasting management system via broadcast channel
Information.In one exemplary embodiment, the communication component 1116 also includes near-field communication (NFC) module, to promote short distance
Communication.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 1100 can be by one or more application specific integrated circuits (ASIC), numeral
Signal processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 1104 of instruction, above-mentioned instruction can be performed to complete the above method by the processor 1120 of device 1100.Example
Such as, the non-transitorycomputer readable storage medium can be ROM, it is random access memory (RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledges in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (14)
- A kind of 1. method for determining colour temperature, it is characterised in that methods described includes：Determine the first spectral signature of light source to be measured；The spectrum to match with first spectral signature is determined from least one default respective second spectral signature of light source Feature；It is determined that calibration factor corresponding with the spectral signature that first spectral signature matches；The colour temperature of the light source to be measured is determined based on the calibration factor.
- 2. according to the method for claim 1, it is characterised in that before first spectral signature for determining light source to be measured, Including：Determine the spectral information of the light source to be measured；First spectral signature for determining light source to be measured, including：Determine at least one fisrt feature information in the spectral information；First spectral signature is determined based at least one fisrt feature information.
- 3. according to the method for claim 2, it is characterised in that described from least one default respective second spectrum of light source The spectral signature to match with first spectral signature is determined in feature, including：Determine at least one second feature information that at least one default respective second spectral signature of light source includes；Based at least one fisrt feature information and at least one second feature information, to first spectral signature Matched with least one default respective second spectral signature of light source, obtain matching result；The spectral signature for determining to match with first spectral signature based on the matching result.
- 4. according to the method for claim 3, it is characterised in that described to be determined and first light based on the matching result The spectral signature that spectrum signature matches, including：First spectral signature and at least one default respective second spectral signature of light source are determined based on the matching result Matching degree, obtain at least one matching degree；The matching degree higher than predetermined threshold value is determined from least one matching degree；It will be above the second spectral signature corresponding to the matching degree of predetermined threshold value and be defined as what is matched with first spectral signature Spectral signature.
- 5. according to the method for claim 4, it is characterised in that described to will be above second corresponding to the matching degree of predetermined threshold value Spectral signature is defined as the spectral signature to match with first spectral signature, including：When being higher than the predetermined threshold value in the presence of at least two matching degrees, it is determined that maximum matching degree；The Spectral Properties that second spectral signature corresponding to the maximum matching degree is defined as matching with first spectral signature Sign.
- 6. according to the method for claim 1, it is characterised in that after first spectral signature for determining light source to be measured, Also include：Do not obtained and the first spectral signature phase when from least one default respective second spectral signature of light source During the spectral signature matched somebody with somebody, at least one default each self-corresponding calibration factor of light source is determined；The colour temperature of the light source to be measured is determined based at least one default each self-corresponding calibration factor of light source.
- 7. a kind of device for determining colour temperature, it is characterised in that described device includes：First determining module, it is configured to determine that the first spectral signature of light source to be measured；Second determining module, it is configured as determining and described first from least one default respective second spectral signature of light source The spectral signature that spectral signature matches；3rd determining module, it is configured to determine that calibration system corresponding with the spectral signature that first spectral signature matches Number；4th determining module, it is configured as determining the colour temperature of the light source to be measured based on the calibration factor.
- 8. device according to claim 7, it is characterised in that described device, in addition to：5th determining module, it is configured to determine that the spectral information of the light source to be measured；First determining module, including：First determination sub-module, at least one fisrt feature information being configured to determine that in the spectral information；Second determination sub-module, it is configured as determining first spectral signature based at least one fisrt feature information.
- 9. device according to claim 8, it is characterised in that second determining module, including：3rd determination sub-module, it is configured to determine that what at least one default respective second spectral signature of light source included At least one second feature information；Matched sub-block, it is configured as believing based at least one fisrt feature information and at least one second feature Breath, is matched to first spectral signature with least one default respective second spectral signature of light source, is obtained With result；4th determination sub-module, it is configured as the spectrum determined based on the matching result and first spectral signature matches Feature.
- 10. device according to claim 9, it is characterised in that the 4th determination sub-module, including：5th determination sub-module, it is configured as determining that first spectral signature is preset with least one based on the matching result The matching degree of respective second spectral signature of light source, obtains at least one matching degree；6th determination sub-module, it is configured as determining the matching degree higher than predetermined threshold value from least one matching degree；7th determination sub-module, it is configured as will be above the second spectral signature corresponding to the matching degree of predetermined threshold value and is defined as and institute State the spectral signature that the first spectral signature matches.
- 11. device according to claim 10, it is characterised in that the 7th determination sub-module, including：8th determination sub-module, it is configured as when being higher than the predetermined threshold value in the presence of at least two matching degrees, it is determined that most Big matching degree；9th determination sub-module, it is configured as the second spectral signature corresponding to the maximum matching degree being defined as and described first The spectral signature that spectral signature matches.
- 12. device according to claim 7, it is characterised in that described device, in addition to：6th determining module, be configured as do not obtained from least one default respective second spectral signature of light source with During the spectral signature that first spectral signature matches, at least one default each self-corresponding calibration system of light source is determined Number；7th determining module, it is configured as being based on treating described at least one default each self-corresponding calibration factor determination of light source The colour temperature in light-metering source.
- 13. a kind of device for determining colour temperature, it is characterised in that described device includes：Processor；For storing the memory of processor-executable instruction；Wherein, the processor is configured as：Determine the first spectral signature of light source to be measured；The spectrum to match with first spectral signature is determined from least one default respective second spectral signature of light source Feature；It is determined that calibration factor corresponding with the spectral signature that first spectral signature matches；The colour temperature of the light source to be measured is determined based on the calibration factor.
- 14. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the computer program Following steps are realized when being executed by processor：Determine the first spectral signature of light source to be measured；The spectrum to match with first spectral signature is determined from least one default respective second spectral signature of light source Feature；It is determined that calibration factor corresponding with the spectral signature that first spectral signature matches；The colour temperature of the light source to be measured is determined based on the calibration factor.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110796996A (en) * | 2018-08-02 | 2020-02-14 | Oppo（重庆）智能科技有限公司 | Color temperature calibration method and device for mobile terminal, electronic equipment and storage medium |
| CN111551266A (en) * | 2020-05-25 | 2020-08-18 | 吉林求是光谱数据科技有限公司 | Environmental color temperature testing method and system based on multispectral image detection technology |
| CN115118946A (en) * | 2021-03-22 | 2022-09-27 | 北京小米移动软件有限公司 | White balance correction method, device and storage medium |
| CN116385566A (en) * | 2022-05-27 | 2023-07-04 | 上海玄戒技术有限公司 | Light source estimation method, device, electronic equipment, chip and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4215275A (en) * | 1977-12-07 | 1980-07-29 | Luxtron Corporation | Optical temperature measurement technique utilizing phosphors |
| US6299346B1 (en) * | 1999-03-08 | 2001-10-09 | C. I. Systems Ltd | Active pyrometry with emissivity extrapolation and compensation |
| CN102541950A (en) * | 2010-12-31 | 2012-07-04 | 上海广茂达光艺科技股份有限公司 | Method and device for establishing color temperature database of combined light and method for realizing combined light |
| CN102572206A (en) * | 2010-12-31 | 2012-07-11 | 比亚迪股份有限公司 | Color correction method |
| KR20130092761A (en) * | 2012-02-13 | 2013-08-21 | 한국광기술원 | Apparatus and method for controlling mixture spectrum |
| CN105632413A (en) * | 2016-01-11 | 2016-06-01 | 京东方科技集团股份有限公司 | Backlight regulation method, adjustment device and display device |
| CN105681782A (en) * | 2016-01-11 | 2016-06-15 | 广东欧珀移动通信有限公司 | Color temperature sensor calibration method and related device |
| CN106331344A (en) * | 2016-08-23 | 2017-01-11 | 维沃移动通信有限公司 | Adjustment method for color temperature of screen and mobile terminal |
| CN106872146A (en) * | 2017-02-24 | 2017-06-20 | 中国测试技术研究院 | A kind of correlated color temperature of light source and colour rendering index analysis method |
-
2017
- 2017-09-25 CN CN201710875166.1A patent/CN107677377B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4215275A (en) * | 1977-12-07 | 1980-07-29 | Luxtron Corporation | Optical temperature measurement technique utilizing phosphors |
| US6299346B1 (en) * | 1999-03-08 | 2001-10-09 | C. I. Systems Ltd | Active pyrometry with emissivity extrapolation and compensation |
| CN102541950A (en) * | 2010-12-31 | 2012-07-04 | 上海广茂达光艺科技股份有限公司 | Method and device for establishing color temperature database of combined light and method for realizing combined light |
| CN102572206A (en) * | 2010-12-31 | 2012-07-11 | 比亚迪股份有限公司 | Color correction method |
| KR20130092761A (en) * | 2012-02-13 | 2013-08-21 | 한국광기술원 | Apparatus and method for controlling mixture spectrum |
| CN105632413A (en) * | 2016-01-11 | 2016-06-01 | 京东方科技集团股份有限公司 | Backlight regulation method, adjustment device and display device |
| CN105681782A (en) * | 2016-01-11 | 2016-06-15 | 广东欧珀移动通信有限公司 | Color temperature sensor calibration method and related device |
| CN106331344A (en) * | 2016-08-23 | 2017-01-11 | 维沃移动通信有限公司 | Adjustment method for color temperature of screen and mobile terminal |
| CN106872146A (en) * | 2017-02-24 | 2017-06-20 | 中国测试技术研究院 | A kind of correlated color temperature of light source and colour rendering index analysis method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110796996A (en) * | 2018-08-02 | 2020-02-14 | Oppo（重庆）智能科技有限公司 | Color temperature calibration method and device for mobile terminal, electronic equipment and storage medium |
| CN110796996B (en) * | 2018-08-02 | 2021-03-16 | Oppo（重庆）智能科技有限公司 | Color temperature calibration method and device for mobile terminal, electronic equipment and storage medium |
| CN111551266A (en) * | 2020-05-25 | 2020-08-18 | 吉林求是光谱数据科技有限公司 | Environmental color temperature testing method and system based on multispectral image detection technology |
| CN111551266B (en) * | 2020-05-25 | 2021-01-22 | 吉林求是光谱数据科技有限公司 | Environmental color temperature testing method and system based on multispectral image detection technology |
| CN115118946A (en) * | 2021-03-22 | 2022-09-27 | 北京小米移动软件有限公司 | White balance correction method, device and storage medium |
| CN116385566A (en) * | 2022-05-27 | 2023-07-04 | 上海玄戒技术有限公司 | Light source estimation method, device, electronic equipment, chip and storage medium |
| CN116385566B (en) * | 2022-05-27 | 2024-04-30 | 上海玄戒技术有限公司 | Light source estimation method, device, electronic equipment, chip and storage medium |
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