CN104954681A - Method for switching off laser focusing mode and terminal - Google Patents
Method for switching off laser focusing mode and terminal Download PDFInfo
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- CN104954681A CN104954681A CN201510334878.3A CN201510334878A CN104954681A CN 104954681 A CN104954681 A CN 104954681A CN 201510334878 A CN201510334878 A CN 201510334878A CN 104954681 A CN104954681 A CN 104954681A
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Abstract
The invention provides a method for switching off a laser focusing mode. The method comprises the steps of obtaining light information and weather information of a current location, wherein the light information comprises at least one of a color temperature value of light and a strength value of light; judging whether the light information meets a first preset condition or not; judging whether the weather information meets a second preset condition or not if the light information meets the first preset condition; switching off the laser focusing mode to focus if the weather information meets the second preset condition. The embodiment of the invention also discloses a terminal. By adopting the method and the terminal, provided by the invention, focusing modes of a camera can be converted according to the light information and the weather information during camera shooting of the terminal.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of method and terminal of closing laser focal modes.
Background technology
The mode that current most of intelligent terminal can adopt laser to focus when taking is focused.The principle of laser focusing is the characteristic utilizing infrared laser centrality not easily to spread by force, emitted from emitter by record infrared ray, reflect through target object surface, again by time difference that rangefinder receives, calculate the distance of target object to rangefinder, finally utilize the distance calculated to realize focusing.But, if in the outdoor having sunray, owing to being easily subject to the interference of solar infrared, cause rangefinder cannot accurately receive the infrared ray emitted from emitter.Therefore, under the outdoor environment having sunray, effective focusing of laser focusing, from being only 10 cm, can reduce the accuracy of laser focusing thus greatly, more affects the experience sense of user's shooting.
Summary of the invention
The invention provides a kind of method and terminal of closing laser focal modes, the focal modes of camera can be changed when terminal taking according to optical information and Weather information.
First aspect present invention provides a kind of method of closing laser focal modes, comprising:
Obtain current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light;
Judge whether described optical information meets first pre-conditioned;
If be judged as YES, then judge whether described Weather information meets second pre-conditioned;
If be judged as YES, then close the focusing of laser focal modes.
In conjunction with the implementation of first aspect present invention, in the first possible implementation of first aspect present invention, the intensity level that the described first pre-conditioned color temperature value for described light is more than or equal to default colour temperature threshold value and/or described light is more than or equal to default intensity threshold, and the described second pre-conditioned weather for described Weather information instruction is fine day.
In conjunction with the first possible implementation of first aspect present invention, in the implementation that the second of first aspect present invention is possible, described judge described optical information whether meet first pre-conditioned after, described method also comprises:
If be judged as NO, then start the focusing of described laser focal modes;
Described judge described Weather information whether meet second pre-conditioned after, described method also comprises:
If be judged as NO, then start the focusing of described laser focal modes.
In conjunction with the first possible implementation of first aspect present invention, in the third possible implementation of first aspect present invention, after described closedown laser focal modes focusing, described method also comprises:
In the N kind focal modes except described laser focal modes, determine that startup first focal modes is focused, described N is positive integer.
In conjunction with first aspect present invention to first aspect the third in any one possible implementation, in the 4th kind of possible implementation of first aspect present invention, describedly in the N kind focal modes except described laser focal modes, determine that startup first focal modes is focused, comprising:
Obtain the position of the eyeglass of camera;
The specifications parameter obtaining described eyeglass and the destination object that captures under described N kind focal modes are to the first distance of described eyeglass;
According to the specifications parameter of described eyeglass and the position of described eyeglass, obtain the second distance of described destination object to described camera;
Determine to adopt described first focal modes according to described second distance and described first distance;
Start described first focal modes focusing.
Second aspect present invention provides a kind of terminal, comprising:
Acquisition module, for obtaining current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light;
First judge module, first pre-conditioned for judging whether optical information that described acquisition module obtains meets;
Second judge module, also for when the judged result of described first judge module is for being, then judges whether described Weather information meets second pre-conditioned;
Closing module, for when the judged result of described second judge module is for being, then closes the focusing of laser focal modes.
In conjunction with the implementation of second aspect present invention, in the first possible implementation of second aspect present invention, the intensity level that the described first pre-conditioned color temperature value for described light is more than or equal to default colour temperature threshold value and/or described light is more than or equal to default intensity threshold, and the described second pre-conditioned weather for described Weather information instruction is fine day.
In conjunction with the first possible implementation of second aspect present invention, in the implementation that the second of second aspect present invention is possible, described terminal also comprises:
First starts module, for when the judged result of described first judge module is no, then starts the focusing of described laser focal modes;
Described terminal also comprises:
Second starts module, for when the judged result of described second judge module is no, then starts the focusing of described laser focal modes.
In conjunction with the first possible implementation of second aspect present invention, in the third possible implementation of second aspect present invention, described terminal also comprises:
3rd starts module, and for determining that startup first focal modes is focused in the N kind focal modes except described laser focal modes, described N is positive integer.
In conjunction with second aspect present invention to second aspect the third in any one possible implementation, in the 4th kind of possible implementation of second aspect present invention, described 3rd start module comprises:
First acquiring unit, for obtaining the position of the eyeglass of camera;
Second acquisition unit, for the specifications parameter that obtains described eyeglass and the destination object that captures under described N kind focal modes the first distance to described eyeglass;
Obtain unit, for according to the specifications parameter of described eyeglass and the position of described eyeglass, obtain the second distance of described destination object to described camera;
Determining unit, adopts described first focal modes for determining according to described second distance and described first distance;
Start unit, for starting described first focal modes focusing.
Adopt the present invention, terminal is by obtaining current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light, judge whether described optical information meets first pre-conditioned, if be judged as YES, then judge whether described Weather information meets second pre-conditioned, if be judged as YES, then close the focusing of laser focal modes, determine whether to close laser focal modes by obtaining the optical information of the current residing environment of terminal and Weather information, can flexible conversion focal modes, improve the accuracy of focusing under sunlight scene.
Term " first ", " second ", " the 3rd " and " the 4th " etc. in specification of the present invention and claims and above-mentioned accompanying drawing are for distinguishing different object, instead of for describing particular order.In addition, term " comprises " and " having " and their any distortion, and intention is to cover not exclusive comprising.Such as contain the process of series of steps or unit, method, system, product or equipment and be not defined in the step or unit listed, but also comprise the step or unit do not listed alternatively, or also comprise alternatively for other intrinsic step of these processes, method, product or equipment or unit.
Refer to Fig. 1, Fig. 1 is a kind of flow chart of closing an embodiment of the method for laser focal modes of the embodiment of the present invention.Wherein, the terminal realizing the embodiment of the present invention can be such as mobile phone, panel computer, notebook computer, palmtop PC, mobile internet device (MID, mobile internet device), wearable device (such as intelligent watch (as iwatch etc.), Intelligent bracelet, pedometer etc.) or other can detected light information obtain the terminal equipment of Weather information.
As shown in Figure 1, a kind of embodiment of closing the method for laser focal modes of the embodiment of the present invention can comprise the following steps.
S100, obtains current on-site optical information and Weather information, and described optical information comprises at least one in the color temperature value of light and the intensity level of described light.
In specific implementation, terminal can obtain current on-site optical information, and wherein, current location can be indoor or outdoors, when terminal receives unlatching photographing instruction, then detects the optical information of environment residing for present terminal.Wherein, optical information comprises at least one in the color temperature value of light and the intensity level of light.By the optical information of testing environment, terminal knows that terminal is now positioned at indoor or outdoor.
As the enforceable mode of one, optical information comprises the color temperature value of light.Terminal only can detect the color temperature value of light, thus obtains optical information.Colour temperature is the index representing that light source light spectrum quality is the most general, is the yardstick representing that light source is photochromic.Unit is K (Kelvin).The colour temperature of light source is that the hot dark matter radiant body of color and theory by contrasting it is determined.The kelvin degree when color of hot dark matter radiant body and light source matches is the colour temperature of this light source, it directly and Planck blackbody radiation law be associated.Hot dark matter radiant body is also perfect radiator, refers to neither reflect also not transmission, the object that the radiation above it all can be absorbed.Generally, outdoor natural light is the high color temperature light of about 5600K, noon in summer direct light colour temperature at about 5800K, noon in autumn direct light colour temperature about 6000K to 6500K, the colour temperature of blue skylight is about 19000K to 25000K.In indoor, usually can throw light on illuminating lamp, the colour temperature of general lighting lamp is all low than the colour temperature of outdoor natural light, and the color temperature value as home-use 500 watts of bulbs is 3000K, and the color temperature value of home-use 100 watts of bulbs is 2900K.Color temperature value terminal being obtained to light is prior art, and the present embodiment then repeats no more.
As the enforceable mode of one, optical information comprises the intensity level of light.Terminal only can detect the intensity level of light, thus obtains optical information.The intensity of light refers to the luminous flux that light source is launched in the unit solid angle of assigned direction, and it is defined as the luminous intensity of light source in this direction, and unit is cd (candela).Luminous intensity shows the convergence ability of light source in spatial emission, and it is the common description of luminous power and the ability of convergence one.Luminous intensity is larger, and light source seems brighter, simultaneously also brighter by the object after this light source irradiation under the same conditions.The intensity level of sunlight is at 2.838*10^ (27) about cd, and the intensity level of LED lamplight is at about 15cd, and the intensity level of the incandescent light of 40 watts is then at about 30cd.Intensity level terminal being obtained to light is prior art, and the present embodiment then repeats no more.
As the enforceable mode of one, optical information comprises the color temperature value of light and the intensity level of light, and terminal can detect color temperature value and the intensity level of light, according to color temperature value and the intensity level determination optical information of light.
In specific implementation, terminal can obtain current on-site Weather information, concrete, terminal is by GPS (Global Positioning System, global positioning system) obtain the current on-site positional information of terminal, as obtained the information in the city at the current place of terminal, then obtain Weather information corresponding to this city according to the city at the current place of terminal.Terminal is utilize the GPS locating module on mobile phone that the position signalling of terminal is sent to backstage, location to realize terminal positioning based on the locate mode of GPS.Wherein, the weather of Weather information instruction can be fine day, cloudy day, cloudy or light rain etc.
As the enforceable mode of one, terminal also obtains the current on-site positional information of terminal by the location of the base station of mobile operation network.Architecture utilizes base station to the measuring and calculating distance of mobile phone to determine mobile phone location.
S101, judges whether described optical information meets first pre-conditioned.
In specific implementation, the intensity level that the described first pre-conditioned color temperature value for described light is more than or equal to default colour temperature threshold value and/or described light is more than or equal to default intensity threshold.Concrete, it is 5600K that terminal can arrange colour temperature threshold value, and the intensity threshold of light can be 50cd, and the setting the present embodiment for the colour temperature threshold value of light and the concrete numerical value of intensity threshold is not limited in any way.
As the enforceable mode of one, if the first pre-conditioned color temperature value for light is more than or equal to default colour temperature threshold value, then terminal only can detect the color temperature value of the light of environment residing for present terminal, the color temperature value of the light detected and the colour temperature threshold value preset are compared, judges whether the color temperature value of the light detected is more than or equal to default colour temperature threshold value.If the color temperature value of the light detected is more than or equal to default colour temperature threshold value, then determines that optical information meets first pre-conditioned, namely determine that terminal is now positioned at outdoor.If the color temperature value of the light detected is less than default colour temperature threshold value, then determine that terminal is now positioned at indoor.
As the enforceable mode of one, if the first pre-conditioned intensity level for light is more than or equal to default intensity threshold, then terminal only can detect the intensity level of the light of environment residing for present terminal, the intensity level of the light detected and the intensity threshold preset are compared, judges whether the intensity level of the light detected is more than or equal to default intensity threshold.If the intensity level of the light detected is more than or equal to default intensity threshold, then determines that optical information meets first pre-conditioned, namely determine that terminal is now positioned at outdoor.If the intensity level of the light detected is less than default intensity threshold, then determine that terminal is now positioned at indoor.
As the enforceable mode of one, if the first pre-conditioned color temperature value for light is more than or equal to default colour temperature threshold value, and, the intensity level of light is more than or equal to default intensity threshold, then terminal can detect color temperature value and the intensity level of the light of environment residing for present terminal, and is compared with the colour temperature threshold value preset and the intensity threshold of presetting respectively by the intensity level of the color temperature value of the light detected and light.If the color temperature value of the light detected is more than or equal to default colour temperature threshold value, further, the intensity level of the light detected is more than or equal to default intensity threshold, then determine that optical information meets first pre-conditioned, namely determine that terminal is now positioned at outdoor, otherwise then determine that terminal is now positioned at indoor.
S102, if be judged as YES, then judges whether described Weather information meets second pre-conditioned.
In specific implementation, when terminal determination current detection to optical information meet first pre-conditioned time (terminal judges go out terminal is current is in outdoor), continue to judge whether the Weather information got meets second pre-conditioned.Wherein, the described second pre-conditioned weather for described Weather information instruction is fine day.Terminal, after getting current on-site Weather information, judges whether current on-site weather is fine day, if be judged as YES, determines that current on-site Weather information meets second pre-conditioned.
S103, if be judged as YES, then closes the focusing of laser focal modes.
In specific implementation, when terminal determination Weather information meets second condition (namely terminal determination terminal is positioned at outdoor, and the current on-site weather of terminal is fine day), illustrate that current environment is subject to the interference of solar infrared comparatively greatly, then close laser focal modes.
As the enforceable mode of one, terminal, after closedown laser focal modes, can adopt any one focal modes except laser focal modes to focus, the focal modes such as such as contrast formula focusing.
Adopt the embodiment of the present invention, terminal is by obtaining current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light, judge whether described optical information meets first pre-conditioned, if be judged as YES, then judge whether described Weather information meets second pre-conditioned, if be judged as YES, then close the focusing of laser focal modes, determine whether to close laser focal modes by obtaining the optical information of the current residing environment of terminal and Weather information, can flexible conversion focal modes, improve the accuracy of focusing under sunlight scene.
Refer to Fig. 2, Fig. 2 is a kind of schematic flow sheet of closing another embodiment of the method for laser focal modes of the embodiment of the present invention.Wherein, the terminal realizing the embodiment of the present invention can be such as mobile phone, panel computer, notebook computer, palmtop PC, mobile internet device, wearable device (such as intelligent watch (as iwatch etc.), Intelligent bracelet, pedometer etc.) or other can detected light information obtain the terminal equipment of Weather information.
As shown in Figure 2, a kind of another embodiment of closing the method for laser focal modes of the embodiment of the present invention can comprise the following steps.
S200, obtains current on-site optical information and Weather information, and described optical information comprises at least one in the color temperature value of light and the intensity level of described light.
In specific implementation, terminal can obtain current on-site optical information, and wherein, current location can be indoor or outdoors, when terminal receives unlatching photographing instruction, then detects the optical information of environment residing for present terminal.Wherein, optical information comprises at least one in the color temperature value of light and the intensity level of light.By the optical information of testing environment, terminal knows that terminal is now positioned at indoor or outdoor.
As the enforceable mode of one, optical information comprises the color temperature value of light.Terminal only can detect the color temperature value of light, thus obtains optical information.Colour temperature is the index representing that light source light spectrum quality is the most general, is the yardstick representing that light source is photochromic.Unit is K (Kelvin).The colour temperature of light source is that the hot dark matter radiant body of color and theory by contrasting it is determined.The kelvin degree when color of hot dark matter radiant body and light source matches is the colour temperature of this light source, it directly and Planck blackbody radiation law be associated.Hot dark matter radiant body is also perfect radiator, refers to neither reflect also not transmission, the object that the radiation above it all can be absorbed.Generally, outdoor natural light is the high color temperature light of about 5600K, noon in summer direct light colour temperature at about 5800K, noon in autumn direct light colour temperature about 6000K to 6500K, the colour temperature of blue skylight is about 19000K to 25000K.In indoor, usually can throw light on illuminating lamp, the colour temperature of general lighting lamp is all low than the colour temperature of outdoor natural light, and the color temperature value as home-use 500 watts of bulbs is 3000K, and the color temperature value of home-use 100 watts of bulbs is 2900K.Color temperature value terminal being obtained to light is prior art, and the present embodiment then repeats no more.
As the enforceable mode of one, optical information comprises the intensity level of light.Terminal only can detect the intensity level of light, thus obtains optical information.The intensity of light refers to the luminous flux that light source is launched in the unit solid angle of assigned direction, and it is defined as the luminous intensity of light source in this direction, and unit is cd (candela).Luminous intensity shows the convergence ability of light source in spatial emission, and it is the common description of luminous power and the ability of convergence one.Luminous intensity is larger, and light source seems brighter, simultaneously also brighter by the object after this light source irradiation under the same conditions.The intensity level of sunlight is at 2.838*10^ (27) about cd, and the intensity level of LED lamplight is at about 15cd, and the intensity level of the incandescent light of 40 watts is then at about 30cd.Intensity level terminal being obtained to light is prior art, and the present embodiment then repeats no more.
As the enforceable mode of one, optical information comprises the color temperature value of light and the intensity level of light, and terminal can detect color temperature value and the intensity level of light, according to color temperature value and the intensity level determination optical information of light.
In specific implementation, terminal can obtain current on-site Weather information, concrete, terminal is by GPS (Global Positioning System, global positioning system) obtain the current on-site positional information of terminal, as obtained the information in the city at the current place of terminal, then obtain Weather information corresponding to this city according to the city at the current place of terminal.Terminal is utilize the GPS locating module on mobile phone that the position signalling of terminal is sent to backstage, location to realize terminal positioning based on the locate mode of GPS.Wherein, the weather of Weather information instruction can be fine day, cloudy day, cloudy or light rain etc.
As the enforceable mode of one, terminal also obtains the current on-site positional information of terminal by the location of the base station of mobile operation network.Architecture utilizes base station to the measuring and calculating distance of mobile phone to determine mobile phone location.
S201, judges whether described optical information meets first pre-conditioned.
In specific implementation, the intensity level that the described first pre-conditioned color temperature value for described light is more than or equal to default colour temperature threshold value and/or described light is more than or equal to default intensity threshold.Concrete, it is 5600K that terminal can arrange colour temperature threshold value, and the intensity threshold of light can be 50cd, and the setting the present embodiment for the colour temperature threshold value of light and the concrete numerical value of intensity threshold is not limited in any way.
As the enforceable mode of one, if the first pre-conditioned color temperature value for light is more than or equal to default colour temperature threshold value, then terminal only can detect the color temperature value of the light of environment residing for present terminal, the color temperature value of the light detected and the colour temperature threshold value preset are compared, judges whether the color temperature value of the light detected is more than or equal to default colour temperature threshold value.If the color temperature value of the light detected is more than or equal to default colour temperature threshold value, then determines that optical information meets first pre-conditioned, namely determine that terminal is now positioned at outdoor.If the color temperature value of the light detected is less than default colour temperature threshold value, then determine that terminal is now positioned at indoor.
As the enforceable mode of one, if the first pre-conditioned intensity level for light is more than or equal to default intensity threshold, then terminal only can detect the intensity level of the light of environment residing for present terminal, the intensity level of the light detected and the intensity threshold preset are compared, judges whether the intensity level of the light detected is more than or equal to default intensity threshold.If the intensity level of the light detected is more than or equal to default intensity threshold, then determines that optical information meets first pre-conditioned, namely determine that terminal is now positioned at outdoor.If the intensity level of the light detected is less than default intensity threshold, then determine that terminal is now positioned at indoor.
As the enforceable mode of one, if the first pre-conditioned color temperature value for light is more than or equal to default colour temperature threshold value, and, the intensity level of light is more than or equal to default intensity threshold, then terminal can detect color temperature value and the intensity level of the light of environment residing for present terminal, and is compared with the colour temperature threshold value preset and the intensity threshold of presetting respectively by the intensity level of the color temperature value of the light detected and light.If the color temperature value of the light detected is more than or equal to default colour temperature threshold value, further, the intensity level of the light detected is more than or equal to default intensity threshold, then determine that optical information meets first pre-conditioned, namely determine that terminal is now positioned at outdoor, otherwise then determine that terminal is now positioned at indoor.
S202, if be judged as NO, then starts the focusing of described laser focal modes.
In specific implementation, if the optical information got does not meet first pre-conditioned, illustrate that environment residing for present terminal (such as indoor) is subject to the interference of solar infrared less, be applicable to adopting the focusing of laser focal modes, or the accuracy adopting the focusing of laser focal modes more can improve focusing is described.Therefore the optical information got when terminal do not meet first pre-conditioned time, focal modes can be converted to laser focal modes by terminal, adopts laser focal modes to focus.
S203, if be judged as YES, then judges whether described Weather information meets second pre-conditioned.
In specific implementation, when terminal determination current detection to optical information meet first pre-conditioned time (terminal judges go out terminal is current is in outdoor), continue to judge whether the Weather information got meets second pre-conditioned.Wherein, the described second pre-conditioned weather for described Weather information instruction is fine day.Terminal, after getting current on-site Weather information, judges whether current on-site weather is fine day, if be judged as YES, determines that current on-site Weather information meets second pre-conditioned.
S204, if be judged as NO, then starts the focusing of described laser focal modes.
In specific implementation, if terminal determination current detection to optical information meet first pre-conditioned, the Weather information got but does not meet second pre-conditioned, illustrates that terminal is current and is in outdoor, but the weather of outdoor is cloudy, cloudy or light rain etc. the weather except fine day.Therefore to be subject to the interference of solar infrared less for current environment, is applicable to adopting the focusing of laser focal modes, or the accuracy adopting the focusing of laser focal modes more can improve focusing is described.Therefore focal modes can be converted to laser focal modes by terminal, adopts laser focal modes to focus.
S205, if be judged as YES, then closes the focusing of laser focal modes.
In specific implementation, when terminal determination Weather information meets second condition (namely terminal determination terminal is positioned at outdoor, and the current on-site weather of terminal is fine day), illustrate that current environment is subject to the interference of solar infrared comparatively greatly, then close laser focal modes.
Adopt the embodiment of the present invention, terminal is by obtaining current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light, judge whether described optical information meets first pre-conditioned, if be judged as YES, then judge whether described Weather information meets second pre-conditioned, if be judged as YES, then close the focusing of laser focal modes, determine whether to close laser focal modes by obtaining the optical information of the current residing environment of terminal and Weather information, can flexible conversion focal modes, improve the accuracy of focusing under sunlight scene.
Refer to Fig. 3, Fig. 3 is a kind of schematic flow sheet of closing another embodiment of the method for laser focal modes of the embodiment of the present invention.Wherein, the terminal realizing the embodiment of the present invention can be such as mobile phone, panel computer, notebook computer, palmtop PC, mobile internet device, wearable device (such as intelligent watch (as iwatch etc.), Intelligent bracelet, pedometer etc.) or other can detected light information obtain the terminal equipment of Weather information.
As shown in Figure 3, a kind of another embodiment of closing the method for laser focal modes of the embodiment of the present invention can comprise the following steps.
S300, obtains current on-site optical information and Weather information, and described optical information comprises at least one in the color temperature value of light and the intensity level of described light.
In specific implementation, terminal can obtain current on-site optical information, and wherein, current location can be indoor or outdoors, when terminal receives unlatching photographing instruction, then detects the optical information of environment residing for present terminal.Wherein, optical information comprises at least one in the color temperature value of light and the intensity level of light.By the optical information of testing environment, terminal knows that terminal is now positioned at indoor or outdoor.
In specific implementation, terminal can obtain current on-site Weather information, concrete, and terminal obtains the current on-site positional information of terminal by GPS, as obtained the information in the city at the current place of terminal, then obtain Weather information corresponding to this city according to the city at the current place of terminal.Terminal is utilize the GPS locating module on mobile phone that the position signalling of terminal is sent to backstage, location to realize terminal positioning based on the locate mode of GPS.Wherein, the weather of Weather information instruction can be fine day, cloudy day, cloudy or light rain etc.
As the enforceable mode of one, terminal also obtains the current on-site positional information of terminal by the location of the base station of mobile operation network.Architecture utilizes base station to the measuring and calculating distance of mobile phone to determine mobile phone location.
S301, judges whether described optical information meets first pre-conditioned.
In specific implementation, the intensity level that the described first pre-conditioned color temperature value for described light is more than or equal to default colour temperature threshold value and/or described light is more than or equal to default intensity threshold.Concrete, it is 5600K that terminal can arrange colour temperature threshold value, and the intensity threshold of light can be 50cd, and the setting the present embodiment for the colour temperature threshold value of light and the concrete numerical value of intensity threshold is not limited in any way.
S302, if be judged as NO, then starts the focusing of described laser focal modes.
In specific implementation, if the optical information got does not meet first pre-conditioned, illustrate that environment residing for present terminal (such as indoor) is subject to the interference of solar infrared less, be applicable to adopting the focusing of laser focal modes, or the accuracy adopting the focusing of laser focal modes more can improve focusing is described.Therefore the optical information got when terminal do not meet first pre-conditioned time, focal modes can be converted to laser focal modes by terminal, adopts laser focal modes to focus.
S303, if be judged as YES, then judges whether described Weather information meets second pre-conditioned.
In specific implementation, when terminal determination current detection to optical information meet first pre-conditioned time (terminal judges go out terminal is current is in outdoor), continue to judge whether the Weather information got meets second pre-conditioned.Wherein, the described second pre-conditioned weather for described Weather information instruction is fine day.Terminal, after getting current on-site Weather information, judges whether current on-site weather is fine day, if be judged as YES, determines that current on-site Weather information meets second pre-conditioned.
S304, if be judged as NO, then starts the focusing of described laser focal modes.
In specific implementation, if terminal determination current detection to optical information meet first pre-conditioned, the Weather information got but does not meet second pre-conditioned, illustrates that terminal is current and is in outdoor, but the weather of outdoor is cloudy, cloudy or light rain etc. the weather except fine day.Therefore to be subject to the interference of solar infrared less for current environment, is applicable to adopting the focusing of laser focal modes, or the accuracy adopting the focusing of laser focal modes more can improve focusing is described.Therefore focal modes can be converted to laser focal modes by terminal, adopts laser focal modes to focus.
S305, if be judged as YES, then closes the focusing of laser focal modes.
In specific implementation, when terminal determination Weather information meets second condition (namely terminal determination terminal is positioned at outdoor, and the current on-site weather of terminal is fine day), illustrate that current environment is subject to the interference of solar infrared comparatively greatly, then close laser focal modes.
S306, in the N kind focal modes except described laser focal modes, determine that startup first focal modes is focused, described N is positive integer.
In specific implementation, terminal, after closedown laser focal modes, can adopt any one focal modes in the N kind focal modes except laser focal modes to focus, the focal modes such as such as contrast formula focusing.
Optionally, N is positive integer, and such as N can be 1, the positive integers such as 3,5,9,12.
As the enforceable mode of one, terminal also can determine that employing first focal modes is focused in the N kind focal modes except laser focal modes, and concrete, as shown in Figure 4, step S306 comprises:
S3061, obtains the position of the eyeglass of camera.
In specific implementation, terminal can utilize the mobile status of motor to obtain the position of eyeglass.Concrete, comprise motor in photographing module, motor for driving the movement of eyeglass, thus realizes the function of focusing.Therefore, terminal can obtain the position of eyeglass according to the mobile step number of motor.
S3062, the specifications parameter obtaining described eyeglass and the destination object that captures under described N kind focal modes are to the first distance of described eyeglass.
In specific implementation, the specifications parameter of eyeglass comprises focus and the focal length of eyeglass.Terminal also can obtain the destination object that can photograph under each focal modes in N kind focal modes the first distance to eyeglass.
S3063, according to the specifications parameter of described eyeglass and the position of described eyeglass, obtains the second distance of described destination object to described camera.
In specific implementation, terminal can according to the focus of eyeglass in the specifications parameter of eyeglass and focal length, and the position of eyeglass, obtains the second distance (namely destination object to the actual range of camera) of destination object to camera.
S3064, determines to adopt described first focal modes according to described second distance and described first distance.
In specific implementation, terminal can according to the destination object that can photograph under each focal modes to the first distance of eyeglass and destination object to the actual range of camera, determines should the optimal focal modes of actual range, i.e. the first focal modes.
S3065, starts described first focal modes focusing.
In specific implementation, when terminal determine to should the optimal focal modes of actual range be the first focal modes time, then start the first focal modes and focus.
Adopt the embodiment of the present invention, terminal is by obtaining current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light, judge whether described optical information meets first pre-conditioned, if be judged as YES, then judge whether described Weather information meets second pre-conditioned, if be judged as YES, then close the focusing of laser focal modes, determine whether to close laser focal modes by obtaining the optical information of the current residing environment of terminal and Weather information, if close laser focal modes, then in the N kind focal modes except laser focal modes, determine that startup first focal modes is focused, can flexible conversion focal modes, improve the accuracy of focusing under sunlight scene.
Refer to Fig. 5, Fig. 5 is the structural representation of a kind of terminal of the embodiment of the present invention.Terminal as shown in Figure 5 comprises acquisition module 500, first judge module 501, second judge module 502 and closing module 503.
Acquisition module 500, for obtaining current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light;
First judge module 501, first pre-conditioned for judging whether optical information that described acquisition module 500 obtains meets;
Second judge module 502, also for when the judged result of described first judge module 501 is for being, then judges whether described Weather information meets second pre-conditioned;
Closing module 503, for when the judged result of described second judge module 502 is for being, then closes the focusing of laser focal modes.
In specific implementation, terminal can obtain current on-site optical information, and wherein, current location can be indoor or outdoors, when terminal receives unlatching photographing instruction, then detects the optical information of environment residing for present terminal.Wherein, optical information comprises at least one in the color temperature value of light and the intensity level of light.By the optical information of testing environment, terminal knows that terminal is now positioned at indoor or outdoor.
As the enforceable mode of one, optical information comprises the color temperature value of light.Terminal only can detect the color temperature value of light, thus obtains optical information.Colour temperature is the index representing that light source light spectrum quality is the most general, is the yardstick representing that light source is photochromic.Unit is K (Kelvin).The colour temperature of light source is that the hot dark matter radiant body of color and theory by contrasting it is determined.The kelvin degree when color of hot dark matter radiant body and light source matches is the colour temperature of this light source, it directly and Planck blackbody radiation law be associated.Hot dark matter radiant body is also perfect radiator, refers to neither reflect also not transmission, the object that the radiation above it all can be absorbed.Generally, outdoor natural light is the high color temperature light of about 5600K, noon in summer direct light colour temperature at about 5800K, noon in autumn direct light colour temperature about 6000K to 6500K, the colour temperature of blue skylight is about 19000K to 25000K.In indoor, usually can throw light on illuminating lamp, the colour temperature of general lighting lamp is all low than the colour temperature of outdoor natural light, and the color temperature value as home-use 500 watts of bulbs is 3000K, and the color temperature value of home-use 100 watts of bulbs is 2900K.Color temperature value terminal being obtained to light is prior art, and the present embodiment then repeats no more.
As the enforceable mode of one, optical information comprises the intensity level of light.Terminal only can detect the intensity level of light, thus obtains optical information.The intensity of light refers to the luminous flux that light source is launched in the unit solid angle of assigned direction, and it is defined as the luminous intensity of light source in this direction, and unit is cd (candela).Luminous intensity shows the convergence ability of light source in spatial emission, and it is the common description of luminous power and the ability of convergence one.Luminous intensity is larger, and light source seems brighter, simultaneously also brighter by the object after this light source irradiation under the same conditions.The intensity level of sunlight is at 2.838*10^ (27) about cd, and the intensity level of LED lamplight is at about 15cd, and the intensity level of the incandescent light of 40 watts is then at about 30cd.Intensity level terminal being obtained to light is prior art, and the present embodiment then repeats no more.
As the enforceable mode of one, optical information comprises the color temperature value of light and the intensity level of light, and terminal can detect color temperature value and the intensity level of light, according to color temperature value and the intensity level determination optical information of light.
In specific implementation, terminal can obtain current on-site Weather information, concrete, terminal is by GPS (Global Positioning System, global positioning system) obtain the current on-site positional information of terminal, as obtained the information in the city at the current place of terminal, then obtain Weather information corresponding to this city according to the city at the current place of terminal.Terminal is utilize the GPS locating module on mobile phone that the position signalling of terminal is sent to backstage, location to realize terminal positioning based on the locate mode of GPS.Wherein, the weather of Weather information instruction can be fine day, cloudy day, cloudy or light rain etc.
As the enforceable mode of one, terminal also obtains the current on-site positional information of terminal by the location of the base station of mobile operation network.Architecture utilizes base station to the measuring and calculating distance of mobile phone to determine mobile phone location.
In specific implementation, the intensity level that the described first pre-conditioned color temperature value for described light is more than or equal to default colour temperature threshold value and/or described light is more than or equal to default intensity threshold.Concrete, it is 5600K that terminal can arrange colour temperature threshold value, and the intensity threshold of light can be 50cd, and the setting the present embodiment for the colour temperature threshold value of light and the concrete numerical value of intensity threshold is not limited in any way.
As the enforceable mode of one, if the first pre-conditioned color temperature value for light is more than or equal to default colour temperature threshold value, then terminal only can detect the color temperature value of the light of environment residing for present terminal, the color temperature value of the light detected and the colour temperature threshold value preset are compared, judges whether the color temperature value of the light detected is more than or equal to default colour temperature threshold value.If the color temperature value of the light detected is more than or equal to default colour temperature threshold value, then determines that optical information meets first pre-conditioned, namely determine that terminal is now positioned at outdoor.If the color temperature value of the light detected is less than default colour temperature threshold value, then determine that terminal is now positioned at indoor.
As the enforceable mode of one, if the first pre-conditioned intensity level for light is more than or equal to default intensity threshold, then terminal only can detect the intensity level of the light of environment residing for present terminal, the intensity level of the light detected and the intensity threshold preset are compared, judges whether the intensity level of the light detected is more than or equal to default intensity threshold.If the intensity level of the light detected is more than or equal to default intensity threshold, then determines that optical information meets first pre-conditioned, namely determine that terminal is now positioned at outdoor.If the intensity level of the light detected is less than default intensity threshold, then determine that terminal is now positioned at indoor.
As the enforceable mode of one, if the first pre-conditioned color temperature value for light is more than or equal to default colour temperature threshold value, and, the intensity level of light is more than or equal to default intensity threshold, then terminal can detect color temperature value and the intensity level of the light of environment residing for present terminal, and is compared with the colour temperature threshold value preset and the intensity threshold of presetting respectively by the intensity level of the color temperature value of the light detected and light.If the color temperature value of the light detected is more than or equal to default colour temperature threshold value, further, the intensity level of the light detected is more than or equal to default intensity threshold, then determine that optical information meets first pre-conditioned, namely determine that terminal is now positioned at outdoor, otherwise then determine that terminal is now positioned at indoor.
In specific implementation, when terminal determination current detection to optical information meet first pre-conditioned time (terminal judges go out terminal is current is in outdoor), continue to judge whether the Weather information got meets second pre-conditioned.Wherein, the described second pre-conditioned weather for described Weather information instruction is fine day.Terminal, after getting current on-site Weather information, judges whether current on-site weather is fine day, if be judged as YES, determines that current on-site Weather information meets second pre-conditioned.
In specific implementation, when terminal determination Weather information meets second condition (namely terminal determination terminal is positioned at outdoor, and the current on-site weather of terminal is fine day), illustrate that current environment is subject to the interference of solar infrared comparatively greatly, then close laser focal modes.
As the enforceable mode of one, the intensity level that the described first pre-conditioned color temperature value for described light is more than or equal to default colour temperature threshold value and/or described light is more than or equal to default intensity threshold, and the described second pre-conditioned weather for described Weather information instruction is fine day.
As the enforceable mode of one, as shown in Figure 6, described terminal also comprises the first startup module 504.
First starts module 504, for when the judged result of described first judge module 501 is no, then starts the focusing of described laser focal modes.
In specific implementation, if the optical information got does not meet first pre-conditioned, illustrate that environment residing for present terminal (such as indoor) is subject to the interference of solar infrared less, be applicable to adopting the focusing of laser focal modes, or the accuracy adopting the focusing of laser focal modes more can improve focusing is described.Therefore the optical information got when terminal do not meet first pre-conditioned time, focal modes can be converted to laser focal modes by terminal, adopts laser focal modes to focus.
As the enforceable mode of one, as shown in Figure 6, described terminal also comprises the second startup module 505.
Second starts module 505, for when the judged result of described second judge module 302 is no, then starts the focusing of described laser focal modes.
In specific implementation, if terminal determination current detection to optical information meet first pre-conditioned, the Weather information got but does not meet second pre-conditioned, illustrates that terminal is current and is in outdoor, but the weather of outdoor is cloudy, cloudy or light rain etc. the weather except fine day.Therefore to be subject to the interference of solar infrared less for current environment, is applicable to adopting the focusing of laser focal modes, or the accuracy adopting the focusing of laser focal modes more can improve focusing is described.Therefore focal modes can be converted to laser focal modes by terminal, adopts laser focal modes to focus.
As the enforceable mode of one, as shown in Figure 6, described terminal also comprises the 3rd startup module 506.
3rd starts module 506, and for determining that startup first focal modes is focused in the N kind focal modes except described laser focal modes, described N is positive integer.
In specific implementation, terminal, after closedown laser focal modes, can adopt any one focal modes in the N kind focal modes except laser focal modes to focus, the focal modes such as such as contrast formula focusing.
Optionally, N is positive integer, and such as N can be 1, the positive integers such as 3,5,9,12.
As the enforceable mode of one, as shown in Figure 6, the 3rd startup module 506 comprises the first acquiring unit 5061, second acquisition unit 5062, obtains unit 5063, determining unit 5064 and start unit 5065.
First acquiring unit 5061, for obtaining the position of the eyeglass of camera;
Second acquisition unit 5062, for the specifications parameter that obtains described eyeglass and the destination object that captures under described N kind focal modes the first distance to described eyeglass;
Obtain unit 5063, for according to the specifications parameter of described eyeglass and the position of described eyeglass, obtain the second distance of described destination object to described camera;
Determining unit 5064, adopts described first focal modes for determining according to described second distance and described first distance;
Start unit 5065, for starting described first focal modes focusing.
In specific implementation, terminal can utilize the mobile status of motor to obtain the position of eyeglass.Concrete, comprise motor in photographing module, motor for driving the movement of eyeglass, thus realizes the function of focusing.Therefore, terminal can obtain the position of eyeglass according to the mobile step number of motor.
In specific implementation, the specifications parameter of eyeglass comprises focus and the focal length of eyeglass.Terminal also can obtain the destination object that can photograph under each focal modes in N kind focal modes the first distance to eyeglass.
In specific implementation, terminal can according to the focus of eyeglass in the specifications parameter of eyeglass and focal length, and the position of eyeglass, obtains the second distance (namely destination object to the actual range of camera) of destination object to camera.
In specific implementation, terminal can according to the destination object that can photograph under each focal modes to the first distance of eyeglass and destination object to the actual range of camera, determines should the optimal focal modes of actual range, i.e. the first focal modes.
In specific implementation, when terminal determine to should the optimal focal modes of actual range be the first focal modes time, then start the first focal modes and focus.
Adopt the embodiment of the present invention, terminal is by obtaining current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light, judge whether described optical information meets first pre-conditioned, if be judged as YES, then judge whether described Weather information meets second pre-conditioned, if be judged as YES, then close the focusing of laser focal modes, determine whether to close laser focal modes by obtaining the optical information of the current residing environment of terminal and Weather information, can flexible conversion focal modes, improve the accuracy of focusing under sunlight scene.
Device embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying performing creative labour, are namely appreciated that and implement.
Step in embodiment of the present invention method can be carried out order according to actual needs and be adjusted, merges and delete.
Module in embodiment of the present invention device or unit can carry out merging, divide and deleting according to actual needs.
The module of the embodiment of the present invention or module, with universal integrated circuit (as central processor CPU), or can realize with application-specific integrated circuit (ASIC) (ASIC).
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that each execution mode can add required general hardware platform by software and realize, and can certainly pass through hardware.Based on such understanding, technique scheme can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can store in a computer-readable storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment or embodiment.
Above-described execution mode, does not form the restriction to this technical scheme protection range.The amendment done within any spirit at above-mentioned execution mode and principle, equivalently to replace and improvement etc., within the protection range that all should be included in this technical scheme.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of 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 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 a kind of schematic flow sheet of closing an embodiment of the method for laser focal modes of the embodiment of the present invention;
Fig. 2 is a kind of schematic flow sheet of closing another embodiment of the method for laser focal modes of the embodiment of the present invention;
Fig. 3 is a kind of schematic flow sheet of closing another embodiment of the method for laser focal modes of the embodiment of the present invention;
Fig. 4 is a kind of idiographic flow schematic diagram of closing the step S306 of another embodiment of the method for laser focal modes of the embodiment of the present invention;
Fig. 5 is the structural representation of a kind of terminal of the embodiment of the present invention;
Fig. 6 is the structural representation of the another kind of terminal of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Adopt the embodiment of the present invention, the focal modes of camera can be changed when terminal taking according to optical information and Weather information.
Claims (10)
1. close a method for laser focal modes, it is characterized in that, comprising:
Obtain current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light;
Judge whether described optical information meets first pre-conditioned;
If be judged as YES, then judge whether described Weather information meets second pre-conditioned;
If be judged as YES, then close the focusing of laser focal modes.
2. method according to claim 1, it is characterized in that, the intensity level that the described first pre-conditioned color temperature value for described light is more than or equal to default colour temperature threshold value and/or described light is more than or equal to default intensity threshold, and the described second pre-conditioned weather for described Weather information instruction is fine day.
3. method according to claim 2, is characterized in that, described judge described optical information whether meet first pre-conditioned after, described method also comprises:
If be judged as NO, then start the focusing of described laser focal modes;
Described judge described Weather information whether meet second pre-conditioned after, described method also comprises:
If be judged as NO, then start the focusing of described laser focal modes.
4. the method according to any one of claims 1 to 3, is characterized in that, after described closedown laser focal modes focusing, described method also comprises:
In the N kind focal modes except described laser focal modes, determine that startup first focal modes is focused, described N is positive integer.
5. method according to claim 4, is characterized in that, describedly in the N kind focal modes except described laser focal modes, determines that startup first focal modes is focused, and comprising:
Obtain the position of the eyeglass of camera;
The specifications parameter obtaining described eyeglass and the destination object that captures under described N kind focal modes are to the first distance of described eyeglass;
According to the specifications parameter of described eyeglass and the position of described eyeglass, obtain the second distance of described destination object to described camera;
Determine to adopt described first focal modes according to described second distance and described first distance;
Start described first focal modes focusing.
6. a terminal, is characterized in that, comprising:
Acquisition module, for obtaining current on-site optical information and Weather information, described optical information comprises at least one in the color temperature value of light and the intensity level of described light;
First judge module, first pre-conditioned for judging whether optical information that described acquisition module obtains meets;
Second judge module, also for when the judged result of described first judge module is for being, then judges whether described Weather information meets second pre-conditioned;
Closing module, for when the judged result of described second judge module is for being, then closes the focusing of laser focal modes.
7. terminal according to claim 6, it is characterized in that, the intensity level that the described first pre-conditioned color temperature value for described light is more than or equal to default colour temperature threshold value and/or described light is more than or equal to default intensity threshold, and the described second pre-conditioned weather for described Weather information instruction is fine day.
8. terminal according to claim 7, is characterized in that, described terminal also comprises:
First starts module, for when the judged result of described first judge module is no, then starts the focusing of described laser focal modes;
Described terminal also comprises:
Second starts module, for when the judged result of described second judge module is no, then starts the focusing of described laser focal modes.
9. the terminal according to any one of claim 6 to 8, is characterized in that, described terminal also comprises:
3rd starts module, and for determining that startup first focal modes is focused in the N kind focal modes except described laser focal modes, described N is positive integer.
10. terminal according to claim 9, is characterized in that, the described 3rd starts module comprises:
First acquiring unit, for obtaining the position of the eyeglass of camera;
Second acquisition unit, for the specifications parameter that obtains described eyeglass and the destination object that captures under described N kind focal modes the first distance to described eyeglass;
Obtain unit, for according to the specifications parameter of described eyeglass and the position of described eyeglass, obtain the second distance of described destination object to described camera;
Determining unit, adopts described first focal modes for determining according to described second distance and described first distance;
Start unit, for starting described first focal modes focusing.
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |