CN104780320A - Ambient light detection method and electronic equipment - Google Patents
Ambient light detection method and electronic equipment Download PDFInfo
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- CN104780320A CN104780320A CN201410018285.1A CN201410018285A CN104780320A CN 104780320 A CN104780320 A CN 104780320A CN 201410018285 A CN201410018285 A CN 201410018285A CN 104780320 A CN104780320 A CN 104780320A
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Abstract
The invention discloses an ambient light detection method and electronic equipment, and belongs to the field of light detection. The method is applied to the electronic equipment. A first light ray sensor and a second light ray sensor are placed into the electronic equipment. The method comprises the following steps: acquiring first data acquired by the first light ray sensor, and second data acquired by the second light ray sensor; determining the light ray state of a current environment in which the electronic equipment is positioned according to the first data and the second data; and adjusting an image input parameter or an image output parameter of the electronic equipment according to the light ray state. The first light ray sensor and the second light ray sensor are placed into the electronic equipment, and the electronic equipment comprises an acquisition module, a determination module and an adjustment module. The electronic equipment is simple in structure, easy to implement, low in cost, and more flexible and wider in application, and the shooting quality and display effect are enhanced.
Description
Technical field
The present invention relates to light-metering field, particularly a kind of surround lighting detection method and electronic equipment.
Background technology
The current handheld terminal that is integrated in, as the camera in mobile phone, panel computer etc., often can run into the accurate judgement owing to lacking surrounding environment light, and cause photo to cross bright or excessively dark problem when taking.At present, high-end mm professional camera special such as digital single-lens reflex camera is all equipped with Multi spot metering device, by RGB(coloured light three primary colors) sensor array can judge accurately surrounding environment light, thus ensure that the shooting quality of photo.
But in high-end mm professional camera special, because light-metering light path need be identical with shooting light path, not only complex structure, camera volume is difficult to reduce, and expensive, is difficult to extensive use.
Summary of the invention
In view of this, the invention provides a kind of surround lighting detection method and electronic equipment, to reduce shooting cost and to improve shooting quality.Described technical scheme is as follows:
First aspect, provides a kind of surround lighting detection method, is applied to electronic equipment, and be placed with the first light sensor and the second light sensor in described electronic equipment, described method comprises:
Obtain the first data that described first light sensor collects, and the second data that the second light sensor collects;
According to described first data and described second data, determine the light condition of described electronic equipment current environment;
Image input parameter or the image output parameter of described electronic equipment is adjusted according to described light condition.
Wherein, described electronic equipment also comprises image acquisition units, then the described image input parameter adjusting described electronic equipment according to described light condition, comprising:
The acquisition parameters of described image acquisition units is adjusted according to described light condition.
Wherein, described electronic equipment also comprises display unit, then the described image output parameter adjusting described electronic equipment according to described light condition, comprising:
The display parameters of described display unit are adjusted according to described light condition.
Wherein, described first light sensor and described second light sensor are positioned on the not coplanar of described electronic equipment.
Wherein, described first light sensor and described second light sensor are positioned on two relative faces of described electronic equipment.
Wherein, described method also comprises:
The moment controlling the acquisition parameters of the described image acquisition units of adjustment differs with the moment obtaining described first data and described second data the duration being no more than setting.
Wherein, the first data that described first light sensor of described acquisition collects, and the second data that the second light sensor collects, comprising:
In first duration of specifying, the data collected according to described first light sensor of predetermined number of times acquisition, and the data that described second light sensor collects;
Described first data are obtained to the data averaged that described first light sensor obtained collects, described second data are obtained to the data averaged that described second light sensor obtained collects.
Second aspect, provides a kind of electronic equipment, be placed with the first light sensor and the second light sensor, and described electronic equipment comprises in described electronic equipment:
Acquisition module, for obtaining the first data that described first light sensor collects, and the second data that the second light sensor collects;
Determination module, for according to described first data and described second data, determines the light condition of described electronic equipment current environment;
Adjusting module, for adjusting image input parameter or the image output parameter of described electronic equipment according to described light condition.
Wherein, described electronic equipment also comprises image acquisition units, then described adjusting module comprises:
Input parameter adjustment unit, for adjusting the acquisition parameters of described image acquisition units according to described light condition.
Wherein, described electronic equipment also comprises display unit, then described adjusting module comprises:
Output parameter adjustment unit, for adjusting the display parameters of described display unit according to described light condition.
Wherein, described electronic equipment also comprises:
Synchronization module, the moment adjusting described acquisition parameters for controlling described input parameter adjustment unit differs with the moment that described acquisition module obtains described first data and the second data the duration being no more than setting.
Wherein, described acquisition module comprises:
Acquiring unit, in first duration of specifying, the data collected according to described first light sensor of predetermined number of times acquisition, and the data that described second light sensor collects;
Computing unit, the data averaged that described first light sensor for obtaining described acquiring unit collects obtains described first data, obtains described second data to the data averaged that described second light sensor obtained collects.
Wherein, described first light sensor and described second light sensor are positioned on the not coplanar of described electronic equipment.
Wherein, described first light sensor and described second light sensor are positioned on two relative faces of described electronic equipment.
Wherein, described electronic equipment is handheld device.
The beneficial effect that technical scheme provided by the invention is brought is: by obtaining the first data that described first light sensor collects, and the second data that the second light sensor collects; According to described first data and described second data, determine the light condition of described electronic equipment current environment; Image input parameter or the image output parameter of described electronic equipment is adjusted according to described light condition, structure is simple, easy realization, the low price of light sensor, reduces cost, and based on current environment light condition adjustment image input parameter time, improve shooting quality, when light condition based on current environment adjusts image output parameter, improve display effect, application more flexibly extensively.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the surround lighting detection method that the embodiment of the present invention 1 provides;
Fig. 2 is the flow chart of the surround lighting detection method that the embodiment of the present invention 2 provides;
Fig. 3 is the schematic diagram placing two light sensors in the electronic equipment that provides of the embodiment of the present invention 2;
Fig. 4 is the flow chart of the surround lighting detection method that the embodiment of the present invention 3 provides;
Fig. 5 is the schematic diagram placing four light sensors in the electronic equipment that provides of the embodiment of the present invention 3;
Fig. 6 is the structure chart of the electronic equipment that the embodiment of the present invention 4 provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
See Fig. 1, present embodiments provide a kind of surround lighting detection method, be applied to electronic equipment, be placed with the first light sensor and the second light sensor in this electronic equipment, described method comprises:
101: obtain the first data that the first light sensor collects, and the second data that the second light sensor collects;
102: according to described first data and described second data, determine the light condition of electronic equipment current environment;
103: according to image input parameter or the image output parameter of described light condition adjustment electronic equipment.
In the present embodiment, described light sensor can perception ambient light situation, and described light sensor has two at least, is positioned on the not coplanar of electronic equipment, and has at least one to be arranged on the same face with the camera of electronic equipment.More accurately, the not coplanar being positioned at electronic equipment specifically refers to described light sensor is positioned at electronic equipment, detects respectively from the light outside the not coplanar of electronic equipment.The different mask body of described electronic equipment refer to the outer surface of electronic equipment.Preferably, can be positioned on two relative faces of electronic equipment.Such as, have two light sensors, one of them is placed on the front of electronic equipment, and another is placed on the back side of electronic equipment.For another example, have four light sensors, and one of them is placed on the front of electronic equipment, another is placed on the back side of electronic equipment, also has two left side and right sides being placed on electronic equipment respectively.
In the present embodiment, further, the difference of the height of described first light sensor or the height of the second light sensor and the camera lens of electronic equipment is no more than default threshold value.
In the present embodiment, described electronic equipment also comprises image acquisition units, then the described image input parameter adjusting described electronic equipment according to described light condition, comprising:
The acquisition parameters of described image acquisition units is adjusted according to described light condition.
In the present embodiment, described electronic equipment also comprises display unit, then the described image output parameter adjusting described electronic equipment according to described light condition, comprising:
The display parameters of described display unit are adjusted according to described light condition.
In the present embodiment, described method also comprises:
The moment controlling the acquisition parameters of the described image acquisition units of adjustment differs with the moment obtaining described first data and described second data the duration being no more than setting.
In the present embodiment, the first data that described first light sensor of described acquisition collects, and the second data that the second light sensor collects, comprising:
In first duration of specifying, the data collected according to described first light sensor of predetermined number of times acquisition, and the data that described second light sensor collects;
Described first data are obtained to the data averaged that described first light sensor obtained collects, described second data are obtained to the data averaged that described second light sensor obtained collects.
The said method that the present embodiment provides, by obtaining the first data that described first light sensor collects, and the second data that the second light sensor collects; According to described first data and described second data, determine the light condition of described electronic equipment current environment; Image input parameter or the image output parameter of described electronic equipment is adjusted according to described light condition, structure is simple, easy realization, the low price of light sensor, reduces cost, and based on current environment light condition adjustment image input parameter time, improve shooting quality, when light condition based on current environment adjusts image output parameter, improve display effect, application more flexibly extensively.
Embodiment 2
See Fig. 2, present embodiments provide a kind of surround lighting detection method, be applied to electronic equipment, in this electronic equipment, be placed with the first light sensor and the second light sensor, described electronic equipment also comprises image acquisition units and display unit, and described method comprises:
201: obtain the first data that described first light sensor collects, and the second data that the second light sensor collects;
202: according to described first data and described second data, determine the light condition of described electronic equipment current environment;
203: the acquisition parameters adjusting described image acquisition units according to described light condition, or, the display parameters of described display unit are adjusted according to described light condition.
In the present embodiment, one in described first light sensor and the second light sensor front that can be positioned over electronic equipment, another can be placed on the reverse side of electronic equipment, wherein, according to described first data and described second data, determine the light condition of described electronic equipment current environment, can comprise:
The data of the data being relatively placed on the light sensor in electronic equipment front and the light sensor being placed on the electronic equipment back side, if the data being placed on the light sensor in electronic equipment front are larger than the data of the light sensor being placed on the electronic equipment back side, and exceed default threshold value, then determine that the light condition of current environment is frontlighting; If the data being placed on the light sensor in electronic equipment front are less than the data of the light sensor being placed on the electronic equipment back side, then determine that the light condition of current environment is backlight.Correspondingly, image input parameter or the image output parameter of electronic equipment can be adjusted according to frontlighting or backlight.
In the present embodiment, described electronic equipment includes but not limited to: mobile phone, panel computer etc.
In the present embodiment, described acquisition parameters includes but not limited to: exposure relevant parameter, Exposure Metering and white balance are arranged.Under different light condition, the numerical value that described acquisition parameters is corresponding can be different, therefore, can arrange according to the light condition of current environment to acquisition parameters, thus make acquisition parameters be applicable to current scene, ensure that shooting quality.In addition, described display parameters include but not limited to: display brightness etc.Under different light condition, described display parameters are also different, therefore, can arrange according to the light condition of current environment to display parameters, thus make display parameters be applicable to current scene, ensure that display effect.Such as, if the light intensity of current environment is more weak, then can adjusts display parameters and die down, if the light intensity of current environment is comparatively strong, then can adjusts display parameters and brighten.
In the present embodiment, the height of the light sensor placed in described electronic equipment can be arbitrary height, preferably, the difference of the height of the height of described light sensor and the camera lens of described electronic equipment is no more than default threshold value, in this case, can think that the camera lens of light sensor and electronic equipment is on sustained height, thus can distinguish for the light conditions of surrounding more accurately.Described default threshold value can be arranged as required, and the present embodiment is not specifically limited this.
See Fig. 3, for placing the schematic diagram of two light sensors in electronic equipment.Wherein, a light sensor (Light Sensor, LS) is in the front of electronic equipment, and as shown in the left diagram, another is at the back side of electronic equipment, and as shown at right, and the height of two light sensors is all identical with the height of camera lens.
In the present embodiment, further, described light sensor can have four at least, and one of them is placed on the front of electronic equipment, and another is placed on the back side of electronic equipment, also has two left side and right sides being placed on electronic equipment respectively.By arranging at least four light sensors, can to ensure in the space for 360 degree that light conditions has and judging more accurately, thus can shooting quality be improved.
In the present embodiment, further, described method also comprises:
The moment controlling the acquisition parameters of the described image acquisition units of adjustment differs with the moment obtaining described first data and described second data the duration being no more than setting.Particularly, synchronised clock control signal can be used, realize this control, not do too much explanation herein.
In the present embodiment, the first data that described first light sensor of described acquisition collects, and the second data that the second light sensor collects, can comprise:
In first duration of specifying, the data collected according to described first light sensor of predetermined number of times acquisition, and the data that described second light sensor collects;
Described first data are obtained to the data averaged that described first light sensor obtained collects, described second data are obtained to the data averaged that described second light sensor obtained collects.
The said method that the present embodiment provides, by obtaining the first data that described first light sensor collects, and the second data that the second light sensor collects; According to described first data and described second data, determine the light condition of described electronic equipment current environment; Image input parameter or the image output parameter of described electronic equipment is adjusted according to described light condition, structure is simple, easy realization, the low price of light sensor, reduces cost, and based on current environment light condition adjustment image input parameter time, improve shooting quality, when light condition based on current environment adjusts image output parameter, improve display effect, application more flexibly extensively.
Embodiment 3
See Fig. 4, present embodiments provide a kind of surround lighting detection method, be applied to electronic equipment, be placed with the first light sensor and the second light sensor in this electronic equipment, described electronic equipment also comprises image acquisition units, and described method comprises:
401: obtain the first data that described first light sensor collects, and the second data that the second light sensor collects;
402: according to described first data and described second data, determine the light condition of described electronic equipment current environment;
403: the acquisition parameters adjusting described image acquisition units according to described light condition, and the moment controlling the described acquisition parameters of adjustment differ with described first data of acquisition and moment of described second data the duration being no more than setting.
Particularly, adjust the acquisition parameters of described image acquisition units according to described light condition, first can judge whether current acquisition parameters is applicable to fixed light condition, if be not suitable for, adjusts.Wherein, judge whether current acquisition parameters is applicable to light condition, multiple implementation can be had, as judged, whether the mean flow rate of face reaches predetermined value etc., if reached, then think applicable fixed scene, otherwise be not suitable for fixed scene, the present embodiment is not specifically limited this.
In the present embodiment, described electronic equipment includes but not limited to: mobile phone, panel computer etc.
In the present embodiment, described acquisition parameters includes but not limited to: exposure relevant parameter, Exposure Metering and white balance are arranged.Under different light condition, the numerical value that described acquisition parameters is corresponding can be different, therefore, can arrange according to the light condition of current environment to acquisition parameters, thus make acquisition parameters be applicable to current scene, ensure that shooting quality.In addition, described display parameters include but not limited to: display brightness etc.Under different light condition, described display parameters are also different, therefore, can arrange according to the light condition of current environment to display parameters, thus make display parameters be applicable to current scene, ensure that display effect.Such as, if the light intensity of current environment is more weak, then display parameters can be adjusted more weak, if the light intensity of current environment is comparatively strong, then display parameters can be adjusted brighter.
In the present embodiment, one in described first light sensor and the second light sensor front that can be positioned over electronic equipment, another can be placed on the reverse side of electronic equipment, wherein, according to described first data and described second data, determine the light condition of described electronic equipment current environment, can comprise:
The data of the data being relatively placed on the light sensor in electronic equipment front and the light sensor being placed on the electronic equipment back side, if the data being placed on the light sensor in electronic equipment front are larger than the data of the light sensor being placed on the electronic equipment back side, and exceed default threshold value, then determine that the light condition of current environment is frontlighting; If the data being placed on the light sensor in electronic equipment front are less than the data of the light sensor being placed on the electronic equipment back side, then determine that the light condition of current environment is backlight.Correspondingly, image input parameter or the image output parameter of electronic equipment can be adjusted according to frontlighting or backlight.
In the present embodiment, further, described light sensor can have four at least, and one of them is placed on the front of electronic equipment, and another is placed on the back side of electronic equipment, also has two left side and right sides being placed on electronic equipment respectively.By arranging at least four light sensors, can to ensure in the space for 360 degree that light conditions has and judging more accurately, thus raising shooting quality.
In the present embodiment, the height of the light sensor placed in described electronic equipment can be arbitrary height, preferably, the difference of the height of the height of described light sensor and the camera lens of described electronic equipment is no more than default threshold value, in this case, can think that the camera lens of light sensor and electronic equipment is on sustained height, thus can distinguish for the light conditions of surrounding more accurately.Described default threshold value can be arranged as required, and the present embodiment is not specifically limited this.
See Fig. 5, for placing the schematic diagram of four light sensors in electronic equipment.Wherein, a light sensor is in the front of electronic equipment, and as shown in the left diagram, another is at the back side of electronic equipment, and as shown in middle figure, also have a light sensor to be placed on the left side of electronic equipment, as shown at right, another is not shown in the drawings.The height of described four light sensors is all identical with the height of the camera lens of electronic equipment.
The said method that the present embodiment provides, by obtaining the first data that described first light sensor collects, and the second data that the second light sensor collects; According to described first data and described second data, determine the light condition of described electronic equipment current environment; Image input parameter or the image output parameter of described electronic equipment is adjusted according to described light condition, structure is simple, easy realization, the low price of light sensor, reduces cost, and based on current environment light condition adjustment image input parameter time, improve shooting quality, when light condition based on current environment adjusts image output parameter, improve display effect, application more flexibly extensively.
Embodiment 4
See Fig. 6, present embodiments provide a kind of electronic equipment, be placed with the first light sensor LS1 and the second light sensor LS2 in this electronic equipment, and described electronic equipment comprise:
Acquisition module 601, for obtaining the first data that described first light sensor collects, and the second data that the second light sensor collects;
Determination module 602, for according to described first data and described second data, determines the light condition of described electronic equipment current environment;
Adjusting module 603, for adjusting image input parameter or the image output parameter of described electronic equipment according to described light condition.
Wherein, described electronic equipment also comprises image acquisition units, then described adjusting module comprises:
Input parameter adjustment unit, for adjusting the acquisition parameters of described image acquisition units according to described light condition.
Wherein, described electronic equipment also comprises display unit, then described adjusting module comprises:
Output parameter adjustment unit, for adjusting the display parameters of described display unit according to described light condition.
Wherein, described electronic equipment also comprises image acquisition units, and described electronic equipment also comprises:
Synchronization module, the moment gathering image for controlling described image acquisition units differs with the moment that described acquisition module obtains described first data and the second data the duration being no more than setting.
Wherein, described acquisition module comprises:
Acquiring unit, in first duration of specifying, the data collected according to described first light sensor of predetermined number of times acquisition, and the data that described second light sensor collects;
Computing unit, the data averaged that described first light sensor for obtaining described acquiring unit collects obtains described first data, obtains described second data to the data averaged that described second light sensor obtained collects.
In the present embodiment, described first light sensor and the second light sensor are positioned on the not coplanar of electronic equipment.Preferably, described first light sensor and described second light sensor are positioned on two relative faces of electronic equipment.Such as, one of them is placed on the front of electronic equipment, and another is placed on the back side of electronic equipment.
Preferably, described light sensor has four at least, and one of them is placed on the front of electronic equipment, and another is placed on the back side of electronic equipment, also has two left side and right sides being placed on electronic equipment respectively.By arranging at least four light sensors, can to ensure in the space for 360 degree that light conditions has and judging more accurately, thus raising shooting quality.
In the present embodiment, the difference of the height of the height of described light sensor and the camera lens of electronic equipment is no more than default threshold value, thus can distinguish for the light conditions of surrounding more accurately.Described default threshold value can be arranged as required, and the present embodiment is not specifically limited this.
In the present embodiment, described electronic equipment is handheld device, includes but not limited to: mobile phone or panel computer etc., and the present embodiment is not specifically limited this.
The said equipment that the present embodiment provides can perform the method provided in above-mentioned either method embodiment, and detailed process is shown in the description in embodiment of the method, does not repeat herein.
The said equipment that the present embodiment provides, by obtaining the first data that described first light sensor collects, and the second data that the second light sensor collects; According to described first data and described second data, determine the light condition of described electronic equipment current environment; Image input parameter or the image output parameter of described electronic equipment is adjusted according to described light condition, structure is simple, easy realization, the low price of light sensor, reduces cost, and based on current environment light condition adjustment image input parameter time, improve shooting quality, when light condition based on current environment adjusts image output parameter, improve display effect, application more flexibly extensively.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. a surround lighting detection method, is characterized in that, is applied to electronic equipment, and be placed with the first light sensor and the second light sensor in described electronic equipment, described method comprises:
Obtain the first data that described first light sensor collects, and the second data that the second light sensor collects;
According to described first data and described second data, determine the light condition of described electronic equipment current environment;
Image input parameter or the image output parameter of described electronic equipment is adjusted according to described light condition.
2. method according to claim 1, is characterized in that, described electronic equipment also comprises image acquisition units, then the described image input parameter adjusting described electronic equipment according to described light condition, comprising:
The acquisition parameters of described image acquisition units is adjusted according to described light condition.
3. method according to claim 1, is characterized in that, described electronic equipment also comprises display unit, then the described image output parameter adjusting described electronic equipment according to described light condition, comprising:
The display parameters of described display unit are adjusted according to described light condition.
4. method according to claim 1, is characterized in that, described first light sensor and described second light sensor are positioned on the not coplanar of described electronic equipment.
5. method according to claim 4, is characterized in that, described first light sensor and described second light sensor are positioned on two relative faces of described electronic equipment.
6. method according to claim 2, is characterized in that, described method also comprises:
The moment controlling the acquisition parameters of the described image acquisition units of adjustment differs with the moment obtaining described first data and described second data the duration being no more than setting.
7. method according to claim 1, is characterized in that, the first data that described first light sensor of described acquisition collects, and the second data that the second light sensor collects, and comprising:
In first duration of specifying, the data collected according to described first light sensor of predetermined number of times acquisition, and the data that described second light sensor collects;
Described first data are obtained to the data averaged that described first light sensor obtained collects, described second data are obtained to the data averaged that described second light sensor obtained collects.
8. an electronic equipment, is characterized in that, be placed with the first light sensor and the second light sensor, and described electronic equipment comprises in described electronic equipment:
Acquisition module, for obtaining the first data that described first light sensor collects, and the second data that the second light sensor collects;
Determination module, for according to described first data and described second data, determines the light condition of described electronic equipment current environment;
Adjusting module, for adjusting image input parameter or the image output parameter of described electronic equipment according to described light condition.
9. electronic equipment according to claim 8, is characterized in that, described electronic equipment also comprises image acquisition units, then described adjusting module comprises:
Input parameter adjustment unit, for adjusting the acquisition parameters of described image acquisition units according to described light condition.
10. electronic equipment according to claim 8, is characterized in that, described electronic equipment also comprises display unit, then described adjusting module comprises:
Output parameter adjustment unit, for adjusting the display parameters of described display unit according to described light condition.
11. electronic equipments according to claim 9, is characterized in that, described electronic equipment also comprises:
Synchronization module, the moment adjusting described acquisition parameters for controlling described input parameter adjustment unit differs with the moment that described acquisition module obtains described first data and the second data the duration being no more than setting.
12. electronic equipments according to claim 8, is characterized in that, described acquisition module comprises:
Acquiring unit, in first duration of specifying, the data collected according to described first light sensor of predetermined number of times acquisition, and the data that described second light sensor collects;
Computing unit, the data averaged that described first light sensor for obtaining described acquiring unit collects obtains described first data, obtains described second data to the data averaged that described second light sensor obtained collects.
13. electronic equipments according to claim 8, is characterized in that, described first light sensor and described second light sensor are positioned on the not coplanar of described electronic equipment.
14. electronic equipments according to claim 13, is characterized in that, described first light sensor and described second light sensor are positioned on two relative faces of described electronic equipment.
Electronic equipment according to any one of 15. according to Claim 8 to 14, is characterized in that, described electronic equipment is handheld device.
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