CN105094465A - Environmental light measurement method and device - Google Patents
Environmental light measurement method and device Download PDFInfo
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- CN105094465A CN105094465A CN201510493105.XA CN201510493105A CN105094465A CN 105094465 A CN105094465 A CN 105094465A CN 201510493105 A CN201510493105 A CN 201510493105A CN 105094465 A CN105094465 A CN 105094465A
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Abstract
The invention discloses and relates to an environmental light measurement method and device, and belongs to the field of economics. The method includes the steps of selecting N sampling sensors from optical sensors distributed on a touch screen according to a preset rule, wherein N is a natural number larger than 1; determining the brightness value of environmental light according to measured values of the N sampling sensors. According to the preset rule, the distribution route of the sampling sensors is selected on the touch screen, and when the sampling sensors are selected according to the distribution route, if part of the sampling sensors are shielded by an operation body, unshielded sampling sensors of the same number as the shielded sampling sensors are selected. The environmental light measurement method and device solve the problem that due to the fact that an optical sensor arranged in a small hole is prone to be shielded, the measured brightness value of the environmental light is not accurate, and the effect of improving the measurement accuracy of the environmental light is achieved.
Description
Technical field
The disclosure relates to electronic applications, particularly a kind of ambient light measurement method and device.
Background technology
Optical sensor is a kind of common sensor, and it is widely used in the electronic equipment of mobile phone, panel computer and notebook computer and so on.
Usually, offer an aperture in the top edge in the front of the housing of electronic equipment, be arranged at by optical sensor in this aperture, when the surround lighting that light source produces enters optical sensor through aperture, electronic equipment can by the brightness value of optical sensor measure ambient light.
Summary of the invention
For solving the problem in correlation technique, present disclose provides a kind of ambient light measurement method and device.
According to the first aspect of disclosure embodiment, provide a kind of ambient light measurement method, for comprising in the electronic equipment of touch-screen, described touch-screen is evenly distributed with optical sensor, described method comprises:
According in the optical sensor that preset rules distributes on described touch-screen, select N number of sampling sensor, N be greater than 1 natural number;
According to the measured value of described N number of sampling sensor, determine the brightness value of surround lighting;
Wherein, described preset rules is: the distribution lines selecting described sampling sensor on described touch-screen, when choosing sampling sensor along described distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with described operative sensor corresponding number.
Optionally, described according to the remaining optical sensor of pre-defined rule continuation selection, comprising:
Obtain described operating body and act on operating area on described touch-screen, and determine the failed areas comprising described operating area, the surround lighting injecting the optical sensor in described failed areas is blocked by described operating body;
For each sampling sensor to be selected, whether sampling sensor to be selected described in detection is positioned at described failed areas;
When the described sampling sensor wait selecting is positioned at described failed areas, sampling sensor described to be selected is replaced with alternative sampling sensor, the surround lighting injecting described alternative sampling sensor is not blocked by described operating body;
When the described sampling sensor wait selecting is positioned at outside described failed areas, sampling sensor to be selected described in selection.
Optionally, described sampling sensor described to be selected is replaced with alternative sampling sensor, comprising:
When optical sensor be array distribution on described touch-screen time, select in the row direction or on column direction with the nearest of sampling sensor described to be selected and the optical sensor be positioned at outside described failed areas, obtain described alternative sampling sensor; Or,
When selecting described N number of sampling sensor along predetermined direction in first line, determine parallel with described first line and disjoint with described failed areas the second circuit, obtain the optical sensor corresponding with sampling sensor described to be selected on the second line are each, obtain described alternative sampling sensor; Or, in described first line, select the optical sensor be positioned at outside described failed areas along described predetermined direction, obtain described alternative sampling sensor.
Optionally, described method, also comprises:
Sampling sensor to be selected described in jumping to from described alternative sampling sensor, with sampling sensor described to be selected for starting point, described first line selects sampling sensor next to be selected along described predetermined direction; Or,
With described alternative sampling sensor for starting point, determine along described predetermined direction the sampling sensor that the next one is to be selected on the second line are each.
Optionally, the described measured value according to described N number of sampling sensor, determine the brightness value of surround lighting, comprising:
Obtain the measured value of described N number of sampling sensor;
From all measured values, delete a maximum i measured value and a minimum j measured value, i and j is positive integer;
Calculate the mean value of each measured value remaining, using the brightness value of described mean value as described surround lighting.
According to the second aspect of disclosure embodiment, provide a kind of ambient light measurement device, for comprising in the electronic equipment of touch-screen, described touch-screen is evenly distributed with optical sensor, described device comprises:
Sensor select module, be configured to, in the optical sensor distributed on described touch-screen according to preset rules, select N number of sampling sensor, N be greater than 1 natural number;
Brightness value measurement module, is configured to the measured value of the described N number of sampling sensor selecting module to select according to described sensor, determines the brightness value of surround lighting;
Wherein, described preset rules is: the distribution lines selecting described sampling sensor on described touch-screen, when choosing sampling sensor along described distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with described operative sensor corresponding number.
Optionally, module selected by described sensor, comprising:
Submodule is determined in region, and be configured to obtain described operating body and act on operating area on described touch-screen, and determine the failed areas comprising described operating area, the surround lighting injecting the optical sensor in described failed areas is blocked by described operating body;
Sensor detection sub-module, is configured to for each sampling sensor to be selected, and whether sampling sensor to be selected described in detection is positioned at described region is determined the described failed areas that submodule is determined;
First chooser module, be configured to when being positioned at described failed areas wait the sampling sensor selected described in described sensor detection sub-module detects, sampling sensor described to be selected is replaced with alternative sampling sensor, and the surround lighting injecting described alternative sampling sensor is not blocked by described operating body;
Second chooser module, is configured to when being positioned at outside described failed areas wait the sampling sensor selected described in described sensor detection sub-module detects, sampling sensor to be selected described in selection.
Optionally, described first chooser module, is also configured to:
When optical sensor be array distribution on described touch-screen time, select in the row direction or on column direction with the nearest of sampling sensor described to be selected and the optical sensor be positioned at outside described failed areas, obtain described alternative sampling sensor; Or,
When selecting described N number of sampling sensor along predetermined direction in first line, determine parallel with described first line and disjoint with described failed areas the second circuit, obtain the optical sensor corresponding with sampling sensor described to be selected on the second line are each, obtain described alternative sampling sensor; Or, in described first line, select the optical sensor be positioned at outside described failed areas along described predetermined direction, obtain described alternative sampling sensor.
Optionally, module selected by described sensor, also comprises:
3rd chooser module, be configured to sampling sensor to be selected described in jumping to from described alternative sampling sensor, with sampling sensor described to be selected for starting point, described first line selects sampling sensor next to be selected along described predetermined direction; Or,
4th chooser module, is configured to, with described alternative sampling sensor for starting point, determine the sampling sensor that the next one is to be selected on the second line are each along described predetermined direction.
Optionally, described brightness value measurement module, comprising:
Measured value chooser module, is configured to the measured value obtaining described N number of sampling sensor;
Submodule deleted by measured value, and be configured from all measured values, delete a maximum i measured value and a minimum j measured value, i and j is positive integer;
Brightness value calculating sub module, is configured to the mean value calculating each measured value remaining, using the brightness value of described mean value as described surround lighting.
According to the third aspect of disclosure embodiment, provide a kind of ambient light measurement device, described device comprises:
Touch-screen, described touch-screen is evenly distributed with optical sensor;
Processor;
For the storer of storage of processor executable instruction;
Wherein, described processor is configured to:
According in the optical sensor that preset rules distributes on described touch-screen, select N number of sampling sensor, N be greater than 1 natural number;
According to the measured value of described N number of sampling sensor, determine the brightness value of surround lighting;
Wherein, described preset rules is: the distribution lines selecting described sampling sensor on described touch-screen, when choosing sampling sensor along described distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with described operative sensor corresponding number.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
By when inject block wait the surround lighting operated member of the sampling sensor selected time, the optical sensor that the non-operated member of surround lighting injected is blocked is utilized to replace this sampling sensor to be selected, the sampling sensor that N number of non-operated member is blocked can be selected, thus according to the brightness value of this N number of computing environment of measured value accurately light, solve the sampling sensor be arranged in aperture to be easily blocked, the inaccurate problem of brightness value of the surround lighting recorded, reaches the effect of the measurement accuracy improving surround lighting.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form a part for present disclosure specification, shows and meets embodiment of the present disclosure, and is used from instructions one and explains principle of the present disclosure.
Fig. 1 is the process flow diagram of a kind of ambient light measurement method according to an exemplary embodiment.
Fig. 2 A is the process flow diagram of a kind of ambient light measurement method according to another exemplary embodiment.
Fig. 2 B is the distribution schematic diagram of the optical sensor according to another exemplary embodiment.
Fig. 2 C is the schematic diagram of the first line according to another exemplary embodiment.
Fig. 2 D is the schematic diagram of first line according to another exemplary embodiment and the second circuit.
Fig. 3 is the block diagram of a kind of ambient light measurement device according to an exemplary embodiment.
Fig. 4 is the block diagram of a kind of ambient light measurement device according to an exemplary embodiment.
Fig. 5 is the block diagram of a kind of device for ambient light measurement according to an exemplary embodiment.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the disclosure.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present disclosure are consistent.
Fig. 1 is the process flow diagram of a kind of ambient light measurement method according to an exemplary embodiment, this ambient light measurement method is applied to and comprises in the electronic equipment of touch-screen, touch-screen is evenly distributed with optical sensor, and as shown in Figure 1, this ambient light measurement method comprises the following steps.
In a step 101, according in the optical sensor that preset rules distributes on the touchscreen, select N number of sampling sensor, N be greater than 1 natural number.
In a step 102, according to the measured value of N number of sampling sensor, determine the brightness value of surround lighting.
Wherein, preset rules is: the distribution lines selecting sampling sensor on the touchscreen, when choosing sampling sensor along distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with operative sensor corresponding number.
In sum, the ambient light measurement method that the disclosure provides, by when inject block wait the surround lighting operated member of the sampling sensor selected time, the optical sensor that the non-operated member of surround lighting injected is blocked is utilized to replace this sampling sensor to be selected, the sampling sensor that N number of non-operated member is blocked can be selected, thus according to the brightness value of this N number of computing environment of measured value accurately light, solve the optical sensor be arranged in aperture to be easily blocked, the inaccurate problem of brightness value of the surround lighting recorded, reach the effect of the measurement accuracy improving surround lighting.
Fig. 2 A is the process flow diagram of a kind of ambient light measurement method according to another exemplary embodiment, this ambient light measurement method is applied to and comprises in the electronic equipment of touch-screen, touch-screen is evenly distributed with optical sensor, and as shown in Figure 2 A, this ambient light measurement method comprises the steps.
In step 201, acquisition operating body acts on the operating area on touch-screen, and determines the failed areas comprising this operating area, and the surround lighting operated member injecting the optical sensor in failed areas is blocked.
In the present embodiment, touch-screen is evenly distributed with optical sensor.Please refer to the distribution schematic diagram of the optical sensor shown in Fig. 2 B, optical sensor 210 is represented with round dot, control chip 220 is represented with the rectangle of the top, wire 230 is represented with lines, pixel color block 240 is represented with each rectangle of below distribution, wherein, each optical sensor 210 is connected to control chip 220 by wire 230.
Owing to touch-screen being distributed with a lot of optical sensor, carrying out measure ambient light by all optical sensors needs to consume more resource, and therefore, can to select wherein N number of samples, according to the brightness value of sampling sensor measure ambient light for electronic equipment.In the process selecting N number of sampling sensor, if user triggers touch control operation on the touchscreen, then electronic equipment can sense operating body effect touch control operation on the touchscreen.Wherein, operating body can be the finger of user, also can be the palm of user, and can also be other positions of user, the present embodiment be not construed as limiting.
Touch-screen is evenly distributed with multiple touch control unit, when touch control operation effect on the touchscreen time, the capacitance of the touch control unit covered by touch control operation can change, and the region that the touch control unit that capacitance changes by electronic equipment forms is defined as the operating area of touch control operation.In the present embodiment, the touch control unit that capacitance changes is called contact.
Because operating body contacts with operating area, therefore, for the optical sensor being positioned at operating area, originally the surround lighting operated member should injecting these optical sensors is blocked, the measured value that these optical sensors record not is the intrinsic brilliance value of surround lighting, thus affects the accuracy of the brightness value of measure ambient light.In addition, when light source is positioned at the top of electronic equipment, the operating body irradiated through surround lighting can form shade on the touchscreen, and the measured value that the optical sensor being arranged in shade records not is the intrinsic brilliance value of surround lighting, can affect the accuracy of the brightness value of measure ambient light yet.Therefore, when the brightness value of measure ambient light, the measured value getting rid of these optical sensors is needed.
In the present embodiment, the region formed by the optical sensor that the surround lighting operated member injected is blocked is as failed areas, and this failed areas comprises operating area and shadow region.Because operating body may be finger, also may be palm, and the shade that finger and palm produce when operating is different, the present embodiment chooses different shadow algorithms according to finger is different with the shade that palm produces when operating, solve and calculate finger and the failed areas that produces of palm according to identical shadow algorithm, cause the inaccurate problem of the determination of failed areas, reach the effect improving and determine the accuracy of failed areas.Below the defining method of failed areas is described.
In the first defining method, obtain the first predetermined length, this first predetermined length is greater than the distance of any point in operating area to the center of operating area; Centered by center, determine according to the first predetermined length the failed areas comprising operating area.
Wherein, the first predetermined length needs to be greater than the distance of any point in operating area to the center of operating area, and the institute in such guarantee operating area is a little all arranged in failed areas.Usually, the first predetermined length can arrange larger, such as, is set to 20mm, or is set to other numerical value, and the present embodiment is not construed as limiting the numerical value of the first predetermined length.
In the present embodiment, the shape of failed areas can also be set.Such as, the shape of failed areas can be circle, ellipse, regular polygon, irregularly shaped etc.When the shape of failed areas is circle, the first predetermined length is the length of radius; When the shape of failed areas is regular polygon, the first predetermined length is the length of cornerwise half.
In the second defining method, obtain the operating force that touch control operation acts on each contact in operating area, the fastest direction of operating force decline is defined as long axis direction and generates oval failed areas, this long axis direction is that the first end points on major axis points to double-pointed direction, and the distance of the first end points and operating area is less than the distance of the second end points and operating area, the failed areas of this ellipse comprises operating area.
Because the shade of finger is strip, therefore, oval failed areas can also be set.When realizing, shadow region can be determined according to the direction of finger, then according to shadow region and operating area determination failed areas.Wherein, the direction of finger can be embodied by operating force.
In the third defining method, obtain the second predetermined length; With the borderline contact of operating area be starting point, stretch out along preset direction the second predetermined length, the region that each contact obtained surrounds is defined as comprising the failed areas of operating area, preset direction is the direction of the sensing contact, center of operating area.
Wherein, the second predetermined length can arrange less, and such as, the second predetermined length is less than the first predetermined length.When the first predetermined length is 10mm, the second predetermined length can be set to 20mm, and certainly, the second predetermined length can also be set to other numerical value, the present embodiment is not construed as limiting the numerical value of the second predetermined length.
In step 202., for the sampling sensor each to be selected in N number of, detect sampling sensor to be selected and whether be positioned at failed areas; When this is positioned at failed areas wait the sampling sensor selected, sampling sensor to be selected is replaced with alternative sampling sensor, the non-operated member of surround lighting injecting alternative sampling sensor is blocked; When this wait the sampling sensor selected be positioned at failed areas outer time, select sampling sensor to be selected, N be greater than 1 natural number.
In the present embodiment, electronic equipment can determine sampling sensor to be selected according to pre-defined rule.Wherein, when optical sensor be array distribution on the touchscreen time, pre-defined rule can be at interval of the capable determination a line of q, and determine a sampling sensor to be selected at interval of p optical sensor in a row, p and q is positive integer.Because each sampling sensor to be selected determined is uniformly distributed on the touchscreen, make the brightness value of the surround lighting recorded more accurate.Such as, electronic equipment is distributed with the optical sensor of 100*100, suppose that N is 100, then can by the 1st in the 1st row, 11,21 ... 91 optical sensors are defined as sampling sensor to be selected, by the 1st in the 11st row, 11,21 ... 91 optical sensors are defined as sampling sensor to be selected,, by the 1st in the 91st row, 11,21 ... 91 optical sensors are defined as sampling sensor to be selected, and obtain 100 sampling sensors to be selected.Or,
Pre-defined rule can be the distribution lines determining sampling sensor on the touchscreen, using this circuit as first line, this first line is evenly determined N number of sampling sensor to be selected.Wherein, first line can be straight line, also can be broken line, can also be curve, the present embodiment is not construed as limiting.Please refer to the schematic diagram of the first line shown in Fig. 2 C, wherein, first line a is horizontal straight line, and first line b is vertical execution, and first line c is diagonal line, and first line d is curve.
In the present embodiment, after often determining a sampling sensor to be selected, also need to detect this sampling sensor to be selected and whether be arranged in failed areas, when this is positioned at failed areas wait the sampling sensor selected, need to obtain its sampling sensor substituted, using this sampling sensor substituted as the final sampling sensor selected; When this sampling sensor to be selected is positioned at outside failed areas, then do not need to obtain its sampling sensor substituted, directly select this sampling sensor to be selected as the final sampling sensor selected.
Present embodiments provide the substitute mode that sampling sensor to be selected is replaced with alternative sampling sensor by two kinds, respectively these two kinds of substitute modes are introduced below.
In the first substitute mode, when optical sensor be array distribution on the touchscreen time, select in the row direction or on column direction with the nearest of sampling sensor to be selected and the optical sensor be positioned at outside failed areas, obtain the sampling sensor substituted.
Wherein, electronic equipment can chosen distance is to be selected in the row direction sampling sensor recently and the optical sensor be positioned at outside failed areas, this optical sensor is defined as the sampling sensor substituted; Also can chosen distance is to be selected in a column direction sampling sensor recently and the optical sensor be positioned at outside failed areas, this optical sensor is defined as the sampling sensor substituted; Can also chosen distance is to be selected in the row direction sampling sensor recently and the optical sensor be positioned at outside failed areas, and the sampling sensor that chosen distance is to be selected in a column direction recently and the optical sensor be positioned at outside failed areas, optical sensor nearest for sampling sensor to be selected for these two optical sensor middle distances is defined as the sampling sensor substituted.
Such as, when sampling sensor to be selected is the 15th row the 20th optical sensor, and in the 15th row, 18-25 optical sensor is positioned at failed areas, then the 15th row the 17th optical sensor can be defined as the sampling sensor substituted.
In the second substitute mode, when selecting N number of sampling sensor along predetermined direction in first line, determine parallel with first line and disjoint with failed areas the second circuit, second circuit obtains the optical sensor corresponding with sampling sensor to be selected, obtains the sampling sensor substituted; Or, in first line, select the optical sensor be positioned at outside failed areas along predetermined direction, obtain the sampling sensor substituted.
Please refer to the schematic diagram of the first line shown in Fig. 2 D and the second circuit, wherein, first line is horizontal circuit, and failed areas is a border circular areas, then the second circuit is parallel with first line and non-intersect with border circular areas.
Such as, when selection the 15th behavior first line, sampling sensor to be selected are the 20th optical sensors in first line, and 18-25 optical sensor is positioned at failed areas in first line, then first can determine that disjoint second circuit is the 20th row with failed areas, is defined as the sampling sensor substituted by the sensor of the 20th on the second circuit; Or, the optical sensor of the 26th in first line is defined as the sampling sensor substituted.
After having selected alternative sampling sensor, electronic equipment has continued to determine according to pre-defined rule the sampling sensor that the next one is to be selected, until stop after having selected remaining sampling sensor.
When there is first line and the second circuit, electronic equipment can determine the sampling sensor that the next one is to be selected in first line, and also can determine the sampling sensor that the next one is to be selected on the second circuit, the present embodiment is not construed as limiting.Due in the process of selective light sensor, the probability that operating body again acts on touch control operation on same circuit is less, thus avoids the time again obtaining alternative sampling sensor and consume, and reaches the effect improving efficiency of selection.
Optionally, the method that the present embodiment provides, also comprises:
1) jump to sampling sensor to be selected from the sampling sensor substituted, with sampling sensor to be selected for starting point, first line selects sampling sensor next to be selected along predetermined direction; Or,
2) with substitute sampling sensor for starting point, the second circuit determines along predetermined direction the sampling sensor that the next one is to be selected.
Supposing 9, interval optical sensor between every two sampling sensors to be selected, then can be the 20th optical sensor according to this sampling sensor to be selected, and determines that next one sampling sensor to be selected is the 30th optical sensor in first line; Or, can determine that next one sampling sensor to be selected is the 30th optical sensor on the second circuit.
In step 203, the measured value of this N number of sampling sensor is obtained; From all measured values, delete a maximum i measured value and a minimum j measured value, i and j is positive integer; Calculate the mean value of each measured value remaining, using the brightness value of mean value as surround lighting.
Because light source is natural light mostly, the surround lighting that natural light produces evenly is injected into each sampling sensor, and therefore, the measured value of each sampling sensor should be equal or close.When the measured value that some sampling sensors record is too high or too low, may be that problem has appearred in this sampling sensor, measured value now be also inaccurate, therefore, when the brightness value of measure ambient light, needs the measured value getting rid of these sampling sensors.
In the present embodiment, first can screen measured value, delete i wherein maximum measured value and a minimum j measured value, then calculate the mean value of remaining measured value, thus improve the accuracy of the brightness value calculated.
Wherein, when deleting i maximum measured value and minimum j measured value, a kind of possible implementation is: sorted according to order from big to small by each measured value, obtains measured value sequence; Delete front i measured value in this measured value sequence and rear j measured value in this measured value sequence.
For the ease of simplifying computation process, comprise 5 sampling sensors for touch-screen and be described, when actual realization, the quantity of optical sensor is far longer than 5.Suppose that the measured value that 5 sampling sensors record is respectively N1, N2, N3, N4 and N5, and N3 > N5 > N2 > N4 > N1, i=j=1, then brightness value=(N2+N4+N5)/3 of surround lighting.
In sum, the ambient light measurement method that the disclosure provides, by when inject block wait the surround lighting operated member of the sampling sensor selected time, the optical sensor that the non-operated member of surround lighting injected is blocked is utilized to replace this sampling sensor to be selected, the sampling sensor that N number of non-operated member is blocked can be selected, thus according to the brightness value of this N number of computing environment of measured value accurately light, solve the optical sensor be arranged in aperture to be easily blocked, the inaccurate problem of brightness value of the surround lighting recorded, reach the effect of the measurement accuracy improving surround lighting.
In addition, by jumping to sampling sensor to be selected from the sampling sensor substituted, with sampling sensor to be selected for starting point, first line selects sampling sensor next to be selected along predetermined direction, due in the process selecting sampling sensor, the probability that operating body again acts on touch control operation on same circuit is less, thus avoids the time again obtaining alternative sampling sensor and consume, and reaches the effect improving efficiency of selection.
Fig. 3 is the block diagram of a kind of ambient light measurement device according to an exemplary embodiment, this ambient light measurement application of installation is in the electronic equipment comprising touch-screen, touch-screen is evenly distributed with optical sensor, as shown in Figure 3, this ambient light measurement device comprises: sensor selects module 310 and brightness value measurement module 320.
This sensor select module 310, be configured to, in the optical sensor distributed on the touchscreen according to preset rules, select N number of sampling sensor, N be greater than 1 natural number;
This brightness value measurement module 320, is configured to the measured value of the N number of sampling sensor selecting module 310 to select according to sensor, determines the brightness value of surround lighting;
Wherein, preset rules is: the distribution lines selecting sampling sensor on the touchscreen, when choosing sampling sensor along distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with operative sensor corresponding number.
In sum, the ambient light measurement device that the disclosure provides, by when inject block wait the surround lighting operated member of the sampling sensor selected time, the optical sensor that the non-operated member of surround lighting injected is blocked is utilized to replace this sampling sensor to be selected, the sampling sensor that N number of non-operated member is blocked can be selected, thus according to the brightness value of this N number of computing environment of measured value accurately light, solve the optical sensor be arranged in aperture to be easily blocked, the inaccurate problem of brightness value of the surround lighting recorded, reach the effect of the measurement accuracy improving surround lighting.
Fig. 4 is the block diagram of a kind of ambient light measurement device according to an exemplary embodiment, this ambient light measurement application of installation is in the electronic equipment comprising touch-screen, touch-screen is evenly distributed with optical sensor, as shown in Figure 4, this ambient light measurement device comprises: sensor selects module 410 and brightness value measurement module 420.
This sensor select module 410, be configured to, in the optical sensor distributed on the touchscreen according to preset rules, select N number of sampling sensor, N be greater than 1 natural number;
This brightness value measurement module 420, is configured to the measured value of the N number of sampling sensor selecting module 410 to select according to sensor, determines the brightness value of surround lighting;
Wherein, preset rules is: the distribution lines selecting sampling sensor on the touchscreen, when choosing sampling sensor along distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with operative sensor corresponding number.
Optionally, module 410 selected by sensor, comprising: submodule 411, sensor detection sub-module 412, first chooser module 413 and the second chooser module 414 are determined in region;
Submodule 411 is determined in this region, and be configured to obtain operating body and act on operating area on touch-screen, and determine the failed areas comprising operating area, the surround lighting operated member injecting the optical sensor in failed areas is blocked;
This sensor detection sub-module 412, is configured to for each sampling sensor to be selected, and detects sampling sensor to be selected and whether is positioned at region and determines the failed areas that submodule is determined;
This first chooser module 413, be configured to when sensor detection sub-module 412 detect be positioned at failed areas wait the sampling sensor selected time, sampling sensor to be selected is replaced with alternative sampling sensor, and the non-operated member of surround lighting injecting alternative sampling sensor is blocked;
This second chooser module 414, be configured to when sensor detection sub-module 412 detect wait the sampling sensor selected be positioned at failed areas outer time, select sampling sensor to be selected.
Optionally, the first chooser module 413, is also configured to:
When optical sensor be array distribution on the touchscreen time, select in the row direction or on column direction with the nearest of sampling sensor to be selected and the optical sensor be positioned at outside failed areas, obtain the sampling sensor substituted; Or,
When selecting N number of sampling sensor along predetermined direction in first line, determine parallel with first line and disjoint with failed areas the second circuit, second circuit obtains the optical sensor corresponding with sampling sensor to be selected, obtains the sampling sensor substituted; Or, in first line, select the optical sensor be positioned at outside failed areas along predetermined direction, obtain the sampling sensor substituted.
Optionally, module 410 selected by sensor, also comprises: the 3rd chooser module 415 or the 4th chooser module 416;
3rd chooser module 415, the sampling sensor be configured to from substituting jumps to sampling sensor to be selected, and with sampling sensor to be selected for starting point, first line selects sampling sensor next to be selected along predetermined direction; Or,
4th chooser module 416, be configured to substitute sampling sensor for starting point, the second circuit determines along predetermined direction the sampling sensor that the next one is to be selected.
Optionally, brightness value measurement module 420, comprising: measured value chooser module 421, measured value delete submodule 422 and brightness value calculating sub module 423;
This measured value chooser module 421, is configured to the measured value obtaining N number of sampling sensor;
Submodule 422 deleted by this measured value, and be configured from all measured values, delete a maximum i measured value and a minimum j measured value, i and j is positive integer;
This brightness value calculating sub module 423, is configured to the mean value calculating each measured value remaining, using the brightness value of mean value as surround lighting.
In sum, the ambient light measurement device that the disclosure provides, by when inject block wait the surround lighting operated member of the sampling sensor selected time, the optical sensor that the non-operated member of surround lighting injected is blocked is utilized to replace this sampling sensor to be selected, the sampling sensor that N number of non-operated member is blocked can be selected, thus according to the brightness value of this N number of computing environment of measured value accurately light, solve the optical sensor be arranged in aperture to be easily blocked, the inaccurate problem of brightness value of the surround lighting recorded, reach the effect of the measurement accuracy improving surround lighting.
In addition, by jumping to sampling sensor to be selected from the sampling sensor substituted, with sampling sensor to be selected for starting point, first line selects sampling sensor next to be selected along predetermined direction, due in the process selecting sampling sensor, the probability that operating body again acts on touch control operation on same circuit is less, thus avoids the time again obtaining alternative sampling sensor and consume, and reaches the effect improving efficiency of selection.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
The disclosure one exemplary embodiment provides a kind of ambient light measurement device, can realize the ambient light measurement method that the disclosure provides, and this ambient light measurement device comprises: touch-screen, touch-screen is evenly distributed with optical sensor; Processor, storer for storage of processor executable instruction;
Wherein, processor is configured to:
According in the optical sensor that preset rules distributes on the touchscreen, select N number of sampling sensor, N be greater than 1 natural number;
According to the measured value of N number of sampling sensor, determine the brightness value of surround lighting;
Wherein, preset rules is: the distribution lines selecting sampling sensor on the touchscreen, when choosing sampling sensor along distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with operative sensor corresponding number.
Fig. 5 is the block diagram of a kind of device 500 for ambient light measurement according to an exemplary embodiment.Such as, device 500 can be mobile phone, computing machine, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Fig. 5, device 500 can comprise following one or more assembly: processing components 502, storer 504, power supply module 506, multimedia groupware 508, audio-frequency assembly 510, the interface 512 of I/O (I/O), sensor module 514, and communications component 516.
The integrated operation of the usual control device 500 of processing components 502, such as with display, call, data communication, camera operation and record operate the operation be associated.Processing components 502 can comprise one or more processor 518 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 502 can comprise one or more module, and what be convenient between processing components 502 and other assemblies is mutual.Such as, processing components 502 can comprise multi-media module, mutual with what facilitate between multimedia groupware 508 and processing components 502.
Storer 504 is configured to store various types of data to be supported in the operation of device 500.The example of these data comprises the instruction of any application program for operating on device 500 or method, contact data, telephone book data, message, picture, video etc.Storer 504 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), ROM (read-only memory) (ROM), magnetic store, flash memory, disk or CD.
The various assemblies that power supply module 506 is device 500 provide electric power.Power supply module 506 can comprise power-supply management system, one or more power supply, and other and the assembly generating, manage and distribute electric power for device 500 and be associated.
Multimedia groupware 508 is included in the screen providing an output interface between described device 500 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises one or more touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 508 comprises a front-facing camera and/or post-positioned pick-up head.When device 500 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 510 is configured to export and/or input audio signal.Such as, audio-frequency assembly 510 comprises a microphone (MIC), and when device 500 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The sound signal received can be stored in storer 504 further or be sent via communications component 516.In certain embodiments, audio-frequency assembly 510 also comprises a loudspeaker, for output audio signal.
I/O interface 512 is for providing interface between processing components 502 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor module 514 comprises one or more sensor, for providing the state estimation of various aspects for device 500.Such as, sensor module 514 can detect the opening/closing state of device 500, the relative positioning of assembly, such as described assembly is display and the keypad of device 500, the position of all right pick-up unit 500 of sensor module 514 or device 500 1 assemblies changes, the presence or absence that user contacts with device 500, the temperature variation of device 500 orientation or acceleration/deceleration and device 500.Sensor module 514 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor module 514 can also comprise distribution optical sensor on the touchscreen, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor module 514 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure transducer or temperature sensor.
Communications component 516 is configured to the communication being convenient to wired or wireless mode between device 500 and other equipment.Device 500 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communications component 516 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communications component 516 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 500 can be realized, for performing said method by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD) (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components.
In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the storer 504 of instruction, above-mentioned instruction can perform said method by the processor 518 of device 500.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc.
Those skilled in the art, at consideration instructions and after putting into practice disclosure herein, will easily expect other embodiment of the present disclosure.The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Instructions and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.
Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.
Claims (11)
1. an ambient light measurement method, is characterized in that, for comprising in the electronic equipment of touch-screen, described touch-screen is evenly distributed with optical sensor, described method comprises:
According in the optical sensor that preset rules distributes on described touch-screen, select N number of sampling sensor, N be greater than 1 natural number;
According to the measured value of described N number of sampling sensor, determine the brightness value of surround lighting;
Wherein, described preset rules is: the distribution lines selecting described sampling sensor on described touch-screen, when choosing sampling sensor along described distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with described operative sensor corresponding number.
2. method according to claim 1, is characterized in that, in the described optical sensor distributed on described touch-screen according to preset rules, selects N number of sampling sensor, comprising:
Obtain described operating body and act on operating area on described touch-screen, and determine the failed areas comprising described operating area, the surround lighting injecting the optical sensor in described failed areas is blocked by described operating body;
For each sampling sensor to be selected, whether sampling sensor to be selected described in detection is positioned at described failed areas;
When the described sampling sensor wait selecting is positioned at described failed areas, sampling sensor described to be selected is replaced with alternative sampling sensor, the surround lighting injecting described alternative sampling sensor is not blocked by described operating body;
When the described sampling sensor wait selecting is positioned at outside described failed areas, sampling sensor to be selected described in selection.
3. method according to claim 2, is characterized in that, described sampling sensor described to be selected is replaced with alternative sampling sensor, comprising:
When optical sensor be array distribution on described touch-screen time, select in the row direction or on column direction with the nearest of sampling sensor described to be selected and the optical sensor be positioned at outside described failed areas, obtain described alternative sampling sensor; Or,
When selecting described N number of sampling sensor along predetermined direction in first line, determine parallel with described first line and disjoint with described failed areas the second circuit, obtain the optical sensor corresponding with sampling sensor described to be selected on the second line are each, obtain described alternative sampling sensor; Or, in described first line, select the optical sensor be positioned at outside described failed areas along described predetermined direction, obtain described alternative sampling sensor.
4. method according to claim 3, is characterized in that, described method, also comprises:
Sampling sensor to be selected described in jumping to from described alternative sampling sensor, with sampling sensor described to be selected for starting point, described first line selects sampling sensor next to be selected along described predetermined direction; Or,
With described alternative sampling sensor for starting point, determine along described predetermined direction the sampling sensor that the next one is to be selected on the second line are each.
5., according to the arbitrary described method of Claims 1-4, it is characterized in that the described measured value according to described N number of sampling sensor is determined the brightness value of surround lighting, being comprised:
Obtain the measured value of described N number of sampling sensor;
From all measured values, delete a maximum i measured value and a minimum j measured value, i and j is positive integer;
Calculate the mean value of each measured value remaining, using the brightness value of described mean value as described surround lighting.
6. an ambient light measurement device, is characterized in that, for comprising in the electronic equipment of touch-screen, described touch-screen is evenly distributed with optical sensor, described device comprises:
Sensor select module, be configured to, in the optical sensor distributed on described touch-screen according to preset rules, select N number of sampling sensor, N be greater than 1 natural number;
Brightness value measurement module, is configured to the measured value of the described N number of sampling sensor selecting module to select according to described sensor, determines the brightness value of surround lighting;
Wherein, described preset rules is: the distribution lines selecting described sampling sensor on described touch-screen, when choosing sampling sensor along described distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with described operative sensor corresponding number.
7. device according to claim 6, is characterized in that, module selected by described sensor, comprising:
Submodule is determined in region, and be configured to obtain described operating body and act on operating area on described touch-screen, and determine the failed areas comprising described operating area, the surround lighting injecting the optical sensor in described failed areas is blocked by described operating body;
Sensor detection sub-module, is configured to for each sampling sensor to be selected, and whether sampling sensor to be selected described in detection is positioned at described region is determined the described failed areas that submodule is determined;
First chooser module, be configured to when being positioned at described failed areas wait the sampling sensor selected described in described sensor detection sub-module detects, sampling sensor described to be selected is replaced with alternative sampling sensor, and the surround lighting injecting described alternative sampling sensor is not blocked by described operating body;
Second chooser module, is configured to when being positioned at outside described failed areas wait the sampling sensor selected described in described sensor detection sub-module detects, sampling sensor to be selected described in selection.
8. device according to claim 7, is characterized in that, described first chooser module, is also configured to:
When optical sensor be array distribution on described touch-screen time, select in the row direction or on column direction with the nearest of sampling sensor described to be selected and the optical sensor be positioned at outside described failed areas, obtain described alternative sampling sensor; Or,
When selecting described N number of sampling sensor along predetermined direction in first line, determine parallel with described first line and disjoint with described failed areas the second circuit, obtain the optical sensor corresponding with sampling sensor described to be selected on the second line are each, obtain described alternative sampling sensor; Or, in described first line, select the optical sensor be positioned at outside described failed areas along described predetermined direction, obtain described alternative sampling sensor.
9. device according to claim 8, is characterized in that, module selected by described sensor, also comprises:
3rd chooser module, be configured to sampling sensor to be selected described in jumping to from described alternative sampling sensor, with sampling sensor described to be selected for starting point, described first line selects sampling sensor next to be selected along described predetermined direction; Or,
4th chooser module, is configured to, with described alternative sampling sensor for starting point, determine the sampling sensor that the next one is to be selected on the second line are each along described predetermined direction.
10., according to the arbitrary described device of claim 6 to 9, it is characterized in that, described brightness value measurement module, comprising:
Measured value chooser module, is configured to the measured value obtaining described N number of sampling sensor;
Submodule deleted by measured value, and be configured from all measured values, delete a maximum i measured value and a minimum j measured value, i and j is positive integer;
Brightness value calculating sub module, is configured to the mean value calculating each measured value remaining, using the brightness value of described mean value as described surround lighting.
11. 1 kinds of ambient light measurement devices, is characterized in that, described device comprises:
Touch-screen, described touch-screen is evenly distributed with optical sensor;
Processor;
For the storer of storage of processor executable instruction;
Wherein, described processor is configured to:
According in the optical sensor that preset rules distributes on described touch-screen, select N number of sampling sensor, N be greater than 1 natural number;
According to the measured value of described N number of sampling sensor, determine the brightness value of surround lighting;
Wherein, described preset rules is: the distribution lines selecting described sampling sensor on described touch-screen, when choosing sampling sensor along described distribution lines, if fractional-sample sensor operated member is blocked, then select the sampling sensor be not blocked with described operative sensor corresponding number.
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