CN104902180A - Mobile terminal camera parameter adjusting method and mobile terminal - Google Patents
Mobile terminal camera parameter adjusting method and mobile terminal Download PDFInfo
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- CN104902180A CN104902180A CN201510279118.7A CN201510279118A CN104902180A CN 104902180 A CN104902180 A CN 104902180A CN 201510279118 A CN201510279118 A CN 201510279118A CN 104902180 A CN104902180 A CN 104902180A
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Abstract
The invention discloses a mobile terminal camera parameter adjusting method and a mobile terminal, for solving the problem that the mobile terminal adopts a fixed camera parameter and thereby the camera effect of the mobile terminal cannot be optimized. The method includes the steps that: the mobile terminal determines current environment characteristics, and judges that whether the current environment characteristics are matched with specific environment characteristics; if yes, the mobile terminal obtains a first reference value of the camera parameter correspondingly preset by the matched specific environment characteristic, and adjusts the camera parameter according to the obtained first reference value of the camera parameter; and if not, the mobile terminal determines a second reference value of the camera parameter correspondingly preset by a user, and adjusts the camera parameter according to the obtained second reference value of the camera parameter.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of mobile terminal camera parameter regulation means and mobile terminal.
Background technology
In mobile terminal, camera (camera) effect is affected by environment larger.
At present, mobile terminal generates the general method of manufacturer for a set of camera parameter of debugging, cannot adjust according to demand, makes camera effect poor.
Such as, when Climate and Environment Variation (seasonal variations or geographical position change), the camera parameter of mobile terminal remains unchanged, be subject to such environmental effects, adopt the camera effect of the mobile terminal of identical camera parameter under different climatic environments different, make the effect of the camera effect of mobile terminal under camera parameter testing environment optimum, the effect under the environment larger with camera parameter testing environmental difference is the poorest.
On the whole, existing mobile terminal camera optimum configurations mode, cannot optimize camera effect.
Summary of the invention
The embodiment of the present invention provides a kind of mobile terminal camera parameter regulation means and mobile terminal, adopts fixing camera parameter, cause the problem of the camera effect cannot optimizing mobile terminal in order to solve mobile terminal.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
First aspect, provides a kind of mobile terminal camera parameter regulation means, comprising:
Mobile terminal determines current environmental characteristic, and described environmental characteristic comprises geographical position coordinates and temporal information, judges whether current environmental characteristic matches with specific environment feature;
If coupling, the first reference value of the camera parameter that the described specific environment feature correspondence that described acquisition for mobile terminal matches is preset, according to the first reference value adjustment camera parameter of the described camera parameter obtained;
If do not mate, described mobile terminal determines the second fiducial value of the described camera parameter that user's correspondence is preset, according to the second fiducial value adjustment camera parameter of the described camera parameter obtained.
In enforcement, described geographical position coordinates is latitude and longitude coordinates.
In enforcement, described mobile terminal judges whether current environmental characteristic matches with specific environment feature, comprising:
If it is interval that described mobile terminal determines that current described latitude and longitude coordinates belongs to longitude and latitude corresponding to described specific environment feature, and determine that current described temporal information belongs to time interval corresponding to same described specific environment feature, determine that described current environmental characteristic and described specific environment feature match; Otherwise, determine that described current environment feature is not mated with described specific environment feature.
In enforcement, described mobile terminal determines the second fiducial value of the described camera parameter that user's correspondence is preset, and comprising:
Described mobile terminal obtains the face-image of user by camera, and resolve the facial characteristics that described face-image obtains described user, described facial characteristics comprises pupil color, face feature and skin color;
Described mobile terminal determines the people's kind belonging to described facial characteristics, and obtains the second fiducial value of the corresponding described camera parameter preset of the described people's kind determined.
In enforcement, described mobile terminal is according to before the second fiducial value adjustment camera parameter of the described camera parameter obtained, and described method also comprises:
Described mobile terminal determines that described people's kind and current described geographical location information match.
Second aspect, provides a kind of mobile terminal, comprising:
Judge module, for determining current environmental characteristic, described environmental characteristic comprises geographical position coordinates and temporal information, judges whether current environmental characteristic matches with specific environment feature;
First adjusting module, if determine that current environmental characteristic and described specific environment feature match for described judge module, obtain the first reference value of the corresponding camera parameter preset of the described specific environment feature matched, according to the first reference value adjustment camera parameter of the described camera parameter obtained;
Second adjusting module, if determine that current environmental characteristic does not mate with described specific environment feature for described judge module, determine the second fiducial value of the described camera parameter that user's correspondence is preset, according to the second fiducial value adjustment camera parameter of the described camera parameter obtained.
In enforcement, described geographical position coordinates is latitude and longitude coordinates.
In enforcement, described judge module specifically for:
It is interval if determine, current described latitude and longitude coordinates belongs to longitude and latitude corresponding to described specific environment feature, and determine that current described temporal information belongs to time interval corresponding to same described specific environment feature, determine that described current environmental characteristic and described specific environment feature match; Otherwise, determine that described current environment feature is not mated with described specific environment feature.
In enforcement, described second adjusting module, specifically for:
The face-image of user is obtained by camera, resolve the facial characteristics that described face-image obtains described user, described facial characteristics comprises pupil color, face feature and skin color, determine the people's kind belonging to described facial characteristics, and obtain the second fiducial value of the corresponding described camera parameter preset of the described people's kind determined.
In enforcement, described second adjusting module specifically for:
Before the second fiducial value adjustment camera parameter according to the described camera parameter obtained, determine that described people's kind and current described geographical location information match.
Based on technique scheme, in the embodiment of the present invention, mobile terminal determines current environmental characteristic, when determining that current environmental characteristic belongs to specific environment feature, obtain the first reference value of the camera parameter that this specific environment feature correspondence is preset, according to this first reference value adjustment camera parameter obtained, when determining that current environmental characteristic does not belong to specific environment feature, determine the second fiducial value of the camera parameter that user's correspondence is preset, according to the second fiducial value adjustment camera parameter of the camera parameter obtained, thus mobile terminal can be avoided to adopt fixing camera parameter, the effect of camera effect under camera parameter testing environment of the mobile terminal caused is optimum, the problem that effect under the environment larger with camera parameter testing environmental difference is the poorest, improve the camera effect under varying environment.
Accompanying drawing explanation
Fig. 1 is the method flow schematic diagram of mobile terminal camera parameter adjustment in the embodiment of the present invention;
Fig. 2 is mobile terminal structure schematic diagram in the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only 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 other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The debug process of the camera parameter of mobile terminal is as follows: research staff is with typical module, i.e. Golden module, for template debugging camera parameter, adopt light box debugging camera parameter, this camera parameter mainly comprises exposure, white balance, saturation, contrast, acutance etc.; In an outdoor environment according to the subjective effect fine setting camera parameter of camera imaging, the optimum camera parameter of correspondence under the imposing a condition obtained is preserved in the terminal.
In the major parameter of camera, white balance, contrast, acutance are subject to such environmental effects less, and exposure and saturation are subject to such environmental effects larger.Because, during camera debugging, exposure and saturation are all provided with corresponding fiducial value, if the environment at camera place changes, respectively with the fiducial value of correspondence for target adjustment exposure and saturation, because the fiducial value of exposure parameter and the fiducial value of saturation parameters are determined when debugging, run into the imaging effect that particular surroundings can affect camera, reduce Consumer's Experience.
Such as, the camera parameter that mobile terminal is debugged at temperate zone environment, in the snowfield environment of illumination abundance, the easy overexposure of image of camera shooting; In the winter that plant is withered, the images dim of camera shooting, the low shortage affinity of saturation; Scenery tropical rain forest in the eyes, the image saturation of camera shooting is too high easily causes visual fatigue.
In the embodiment of the present invention, as shown in Figure 1, the method detailed flow process of mobile terminal camera parameter adjustment is as follows:
Step 101: mobile terminal determines current environmental characteristic, judges whether current environmental characteristic matches with specific environment feature.
Wherein, environmental characteristic comprises geographical position coordinates and temporal information, and specific environment feature comprises geographical location information and temporal information.
Particularly, geographical position coordinates is latitude and longitude coordinates.
In enforcement, the current geographical position coordinates of mobile terminal is determined by global positioning system (Global Position System, GPS).
In enforcement, the current temporal information of mobile terminal is obtained by network, or is obtained by the timer of self.
Particularly, if it is interval that mobile terminal determines that current described latitude and longitude coordinates belongs to longitude and latitude corresponding to described specific environment feature, and determine that current described temporal information belongs to time interval corresponding to same described specific environment feature, determine that described current environmental characteristic and described specific environment feature match; Otherwise, determine that described current environment feature is not mated with described specific environment feature.
Step 102: if mobile terminal determines that current environmental characteristic and specific environment feature match, obtain the first reference value of the corresponding camera parameter preset of the described specific environment feature matched, according to the first reference value adjustment camera parameter of the described camera parameter obtained.
Wherein, the first reference value of camera parameter includes but not limited to: the fiducial value of exposure parameter, and/or, the fiducial value of saturation, and/or, the fiducial value of contrast.
Such as, specific environment feature is with the corresponding relation of the fiducial value preset: the frigid zone, north and south of 66 degree 34 points < latitude <90 degree, polar day time interval, the fiducial value of exposure parameter reduces by 10% compared to Default Value, and the fiducial value of saturation increases by 15% compared to Default Value; North latitude 5.5 degree is to the tropical rain forest in 34 degree, south latitude, 74 degree, western footpath to 42 degree, western footpath, and throughout the year, the fiducial value of saturation reduces by 10% compared to Default Value; North latitude 15 degree is to the Sahara Desert in 35 degree, south latitude, 15 degree, western footpath to 50 degree, eastern footpath, and throughout the year, the fiducial value of saturation reduces by 15% compared to Default Value.Wherein, the fiducial value of the exposure parameter of the camera of Default Value and the fiducial value of saturation parameters obtain for debugging in the environment of temperate zone.
Step 103: if mobile terminal determines that current environmental characteristic does not mate with specific environment feature, determines the second fiducial value of the described camera parameter that user's correspondence is preset, according to the second fiducial value adjustment camera parameter of the described camera parameter obtained.
Particularly, mobile terminal obtains the face-image of user by camera, resolves the facial characteristics that this face-image obtains this user; Mobile terminal determines the people's kind belonging to this facial characteristics, and obtains the second fiducial value of the corresponding camera parameter preset of this people's kind determined; Mobile terminal is according to the second fiducial value adjustment camera parameter of the camera parameter obtained.Wherein, the facial characteristics of the user of mobile terminal extraction includes but not limited to pupil color, face feature and skin color.
Wherein, the second fiducial value of camera parameter includes but not limited to: the fiducial value of exposure parameter, and/or, the fiducial value of saturation, and/or, the fiducial value of contrast, and/or, the fiducial value of white balance.
Wherein, the people's kind belonging to mobile terminal determination facial characteristics, can adopt existing face recognition algorithms, and this partial content is not the emphasis that the present invention pays close attention to, and repeats no more herein.
In enforcement, mobile terminal, according to before the second fiducial value adjustment camera parameter of the camera parameter obtained, determines that people's kind belonging to facial characteristics and current geographical location information match.
Such as, Asian facial characteristics is: black pupil, flat face, yellow skin, and is in eastern Asiatic continent; European facial characteristics is: non-black pupil, three-dimensional face, pale skin, and is in area to the west of Europe, America, Oceania, Russia and the Central Asia.European's personality is overflowing with enthusiasm, likes gorgeous picture, then in the camera parameter that European is corresponding, the fiducial value of saturation is higher than Default Value, and the fiducial value of contrast is higher than Default Value, and the inclined warm tones of white balance.Asian is implicit containing, and does not like splendid color, then the colder tone of white balance in the camera parameter that Asian is corresponding.
Based on same inventive concept, additionally provide a kind of mobile terminal in the embodiment of the present invention, the concrete enforcement of this mobile terminal see the description about mobile terminal in said method embodiment, can repeat part and repeats no more, as shown in Figure 2, this mobile terminal mainly comprises:
Judge module 201, for determining current environmental characteristic, described environmental characteristic comprises geographical position coordinates and temporal information, judges whether current environmental characteristic matches with specific environment feature;
First adjusting module 202, if determine that current environmental characteristic and described specific environment feature match for described judge module, obtain the first reference value of the corresponding camera parameter preset of the described specific environment feature matched, according to the first reference value adjustment camera parameter of the described camera parameter obtained;
Second adjusting module 203, if determine that current environmental characteristic does not mate with described specific environment feature for described judge module, determine the second fiducial value of the described camera parameter that user's correspondence is preset, according to the second fiducial value adjustment camera parameter of the described camera parameter obtained.
Wherein, specific environment feature comprises geographical position coordinates and temporal information.
In enforcement, described geographical position coordinates is latitude and longitude coordinates.
In enforcement, current geographical position coordinates is determined by global positioning system (Global Position System, GPS).
In enforcement, current temporal information is obtained by network, or is obtained by the timer of mobile terminal.
In enforcement, described judge module 201 specifically for:
It is interval if determine, current described latitude and longitude coordinates belongs to longitude and latitude corresponding to described specific environment feature, and determine that current described temporal information belongs to time interval corresponding to same described specific environment feature, determine that described current environmental characteristic and described specific environment feature match; Otherwise, determine that described current environment feature is not mated with described specific environment feature.
In enforcement, the first reference value of described camera parameter includes but not limited to:
The fiducial value of exposure parameter, and/or, the fiducial value of saturation, and/or, the fiducial value of contrast.
In enforcement, described second adjusting module 203 specifically for:
The face-image of user is obtained by camera, resolve the facial characteristics that described face-image obtains described user, described facial characteristics comprises pupil color, face feature and skin color, determine the people's kind belonging to described facial characteristics, and obtain the second fiducial value of the corresponding described camera parameter preset of the described people's kind determined.
In this embodiment, the second fiducial value of camera parameter includes but not limited to: the fiducial value of exposure parameter, and/or, the fiducial value of saturation, and/or, the fiducial value of contrast, and/or, the fiducial value of white balance.
In enforcement, described second adjusting module 203 specifically for:
Before the second fiducial value adjustment camera parameter according to the described camera parameter obtained, determine that described people's kind and current described geographical location information match.
Based on technique scheme, in the embodiment of the present invention, mobile terminal determines current environmental characteristic, when determining that current environmental characteristic belongs to specific environment feature, obtain the first reference value of the camera parameter that this specific environment feature correspondence is preset, according to this first reference value adjustment camera parameter obtained, when determining that current environmental characteristic does not belong to specific environment feature, determine the second fiducial value of the camera parameter that user's correspondence is preset, according to the second fiducial value adjustment camera parameter of the camera parameter obtained, thus mobile terminal can be avoided to adopt fixing camera parameter, the effect of camera effect under camera parameter testing environment of the mobile terminal caused is optimum, the problem that effect under the environment larger with camera parameter testing environmental difference is the poorest, improve the camera effect under varying environment.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a mobile terminal camera parameter regulation means, is characterized in that, comprising:
Mobile terminal determines current environmental characteristic, and described environmental characteristic comprises geographical position coordinates and temporal information, judges whether current environmental characteristic matches with specific environment feature;
If coupling, the first reference value of the camera parameter that the described specific environment feature correspondence that described acquisition for mobile terminal matches is preset, according to the first reference value adjustment camera parameter of the described camera parameter obtained;
If do not mate, described mobile terminal determines the second fiducial value of the described camera parameter that user's correspondence is preset, according to the second fiducial value adjustment camera parameter of the described camera parameter obtained.
2. the method for claim 1, is characterized in that, described geographical position coordinates is latitude and longitude coordinates.
3. method as claimed in claim 2, it is characterized in that, described mobile terminal judges whether current environmental characteristic matches with specific environment feature, comprising:
If it is interval that described mobile terminal determines that current described latitude and longitude coordinates belongs to longitude and latitude corresponding to described specific environment feature, and determine that current described temporal information belongs to time interval corresponding to same described specific environment feature, determine that described current environmental characteristic and described specific environment feature match; Otherwise, determine that described current environment feature is not mated with described specific environment feature.
4. method as claimed in claim 2 or claim 3, is characterized in that, described mobile terminal determines the second fiducial value of the described camera parameter that user's correspondence is preset, and comprising:
Described mobile terminal obtains the face-image of user by camera, and resolve the facial characteristics that described face-image obtains described user, described facial characteristics comprises pupil color, face feature and skin color;
Described mobile terminal determines the people's kind belonging to described facial characteristics, and obtains the second fiducial value of the corresponding described camera parameter preset of the described people's kind determined.
5. method as claimed in claim 4, is characterized in that, described mobile terminal is according to before the second fiducial value adjustment camera parameter of the described camera parameter obtained, and described method also comprises:
Described mobile terminal determines that described people's kind and current described geographical location information match.
6. a mobile terminal, is characterized in that, comprising:
Judge module, for determining current environmental characteristic, described environmental characteristic comprises geographical position coordinates and temporal information, judges whether current environmental characteristic matches with specific environment feature;
First adjusting module, if determine that current environmental characteristic and described specific environment feature match for described judge module, obtain the first reference value of the corresponding camera parameter preset of the described specific environment feature matched, according to the first reference value adjustment camera parameter of the described camera parameter obtained;
Second adjusting module, if determine that current environmental characteristic does not mate with described specific environment feature for described judge module, determine the second fiducial value of the described camera parameter that user's correspondence is preset, according to the second fiducial value adjustment camera parameter of the described camera parameter obtained.
7. mobile terminal as claimed in claim 6, it is characterized in that, described geographical position coordinates is latitude and longitude coordinates.
8. mobile terminal as claimed in claim 7, is characterized in that, described judge module specifically for:
It is interval if determine, current described latitude and longitude coordinates belongs to longitude and latitude corresponding to described specific environment feature, and determine that current described temporal information belongs to time interval corresponding to same described specific environment feature, determine that described current environmental characteristic and described specific environment feature match; Otherwise, determine that described current environment feature is not mated with described specific environment feature.
9. mobile terminal as claimed in claim 7 or 8, is characterized in that, described second adjusting module, specifically for:
The face-image of user is obtained by camera, resolve the facial characteristics that described face-image obtains described user, described facial characteristics comprises pupil color, face feature and skin color, determine the people's kind belonging to described facial characteristics, and obtain the second fiducial value of the corresponding described camera parameter preset of the described people's kind determined.
10. mobile terminal as claimed in claim 9, is characterized in that, described second adjusting module specifically for:
Before the second fiducial value adjustment camera parameter according to the described camera parameter obtained, determine that described people's kind and current described geographical location information match.
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