CN105554407A - Shooting control method and shooting control device - Google Patents
Shooting control method and shooting control device Download PDFInfo
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- CN105554407A CN105554407A CN201510921165.7A CN201510921165A CN105554407A CN 105554407 A CN105554407 A CN 105554407A CN 201510921165 A CN201510921165 A CN 201510921165A CN 105554407 A CN105554407 A CN 105554407A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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Abstract
The invention relates to a shooting control method and a shooting control device. The shooting control method comprises steps: the direction of light shining on the current terminal and the shooting direction of the current terminal are determined; according to the direction of the light shining on the current terminal and the shooting direction, a facing state of the shooting object is determined, wherein the facing state comprises a frontlighting, backlighting or sidelighting state; and flashlight control parameters corresponding to the facing state of the shooting object are acquired, and the shooting object is shot according to the acquired flashlight control parameters. In the embodiment of the invention, the flashlight control parameters corresponding to the facing state of the shooting object are acquired through the determined facing state of the shooting object, the shooting object is shot according to the flashlight control parameters, the parameters of the flashlight can be controlled automatically according to the facing state of the shooting object during the shooting process, and the shooting effects are greatly enhanced.
Description
Technical field
The disclosure relates to technical field of mobile terminals, particularly relates to a kind of filming control method and device.
Background technology
Along with double-colored temperature flash light techniques popularizing on smart mobile phone, greatly compensate for the insufficient light of smart mobile phone under low light environment, improve the shooting quality of mobile phone.But current photoflash lamp controls, just simple open and close, even if under (auto) pattern automatically, whether camera also just controls photoflash lamp (Flash) according to the sensitive volume of optical pickocff and opens.
If on outdoor daytime and under being in auto pattern, photoflash lamp is not opened, then background characters face imaging effect can be caused very dark.Therefore, how effectively controlling photoflash lamp is the important step promoting shooting quality.
Summary of the invention
For overcoming Problems existing in correlation technique, the disclosure provides a kind of filming control method and device.
According to the first aspect of disclosure embodiment, a kind of filming control method is provided, comprises:
Determine that light shines to the direction of present terminal and the shooting direction of present terminal;
Shine to the direction of present terminal and the state orientation of described shooting direction determination reference object according to described light, described state orientation comprises frontlighting, backlight, sidelight state;
Obtain the photoflash lamp controling parameters corresponding with the state orientation of described reference object, and according to the described photoflash lamp controling parameters obtained, described reference object is taken.
In one embodiment, described according to described light according to the direction of present terminal and the state orientation of described shooting direction determination reference object, comprising:
If described light is identical with described shooting direction according to the direction to present terminal, then determine that described reference object is in frontlighting state;
If described light is contrary with described shooting direction according to the direction to present terminal, then determine that described reference object is in backlight state;
If described light is less than 180 degree according to being greater than 0 degree to the angle between the direction and described shooting direction of present terminal, then determine that described reference object is in sidelight state.
In one embodiment, described sidelight state comprises half side light state and full sidelight state, described half side light state comprises half side direct light state and half side backlight state, if described light is less than 180 degree according to being greater than 0 degree to the angle between the direction and described shooting direction of present terminal, then determine that described reference object is in sidelight state, comprising:
If described light according to being 90 degree to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in full sidelight state;
If described light according to being acute angle to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in half side direct light state;
If described light according to being obtuse angle to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in half side backlight state.
In one embodiment, describedly determine that light is according to the direction of present terminal, comprising:
Obtain time parameter and the location parameter of present terminal, and determine that described light is according to the direction to present terminal according to described time parameter and location parameter.
In one embodiment, the photoflash lamp controling parameters that described acquisition is corresponding with the state orientation of described reference object, comprising:
Inquire about the corresponding relation of state orientation and the photoflash lamp controling parameters pre-set according to the state orientation of described reference object, obtain the photoflash lamp controling parameters corresponding with described reference object.
In one embodiment, the photoflash lamp controling parameters that described acquisition is corresponding with the state orientation of described reference object, comprising:
Be multiple state by described sidelight state demarcation, and corresponding photoflash lamp controling parameters is set for each state after dividing;
Determine the state after the division residing for described reference object, and obtain the photoflash lamp controling parameters corresponding with described reference object.
According to the second aspect of disclosure embodiment, a kind of imaging control device is provided, comprises:
First determination module, is configured to determine that light shines to the direction of present terminal and the shooting direction of present terminal;
Second determination module, the described light being configured to determine according to described first determination module shines to the direction of present terminal and the state orientation of described shooting direction determination reference object, and described state orientation comprises frontlighting, backlight, sidelight state;
Obtain taking module, be configured to obtain the photoflash lamp controling parameters corresponding with the state orientation of the described reference object that described second determination module is determined, and according to the described photoflash lamp controling parameters obtained, described reference object taken.
In one embodiment, described second determination module comprises:
Frontlighting determination submodule, if it is identical with described shooting direction according to the direction to present terminal to be configured to described light, then determines that described reference object is in frontlighting state;
Backlight determination submodule, if it is contrary with described shooting direction according to the direction to present terminal to be configured to described light, then determines that described reference object is in backlight state;
Sidelight determination submodule, if be configured to described light to be less than 180 degree according to being greater than 0 degree to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in sidelight state.
In one embodiment, described sidelight state comprises half side light state and full sidelight state, and described half side light state comprises half side direct light state and half side backlight state, and described sidelight determination submodule comprises:
Full sidelight determining unit, if be configured to described light according to being 90 degree to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in full sidelight state;
Half side direct light determining unit, if be configured to described light according to being acute angle to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in half side direct light state;
Half side backlight determining unit, if be configured to described light according to being obtuse angle to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in half side backlight state.
In one embodiment, described first determination module, is configured to:
Obtain time parameter and the location parameter of present terminal, and determine that described light is according to the direction to present terminal according to described time parameter and location parameter.
In one embodiment, described acquisition taking module, is configured to:
Inquire about the corresponding relation of state orientation and the photoflash lamp controling parameters pre-set according to the state orientation of described reference object, obtain the photoflash lamp controling parameters corresponding with described reference object.
In one embodiment, described acquisition taking module comprises:
Division arranges submodule, and being configured to described sidelight state demarcation is multiple state, and arranges corresponding photoflash lamp controling parameters for each state after dividing;
Determine to obtain submodule, be configured to the state after determining the division residing for described reference object, and obtain the photoflash lamp controling parameters corresponding with described reference object.
According to the third aspect of disclosure embodiment, a kind of imaging control device is provided, comprises:
Processor;
For the memory of storage of processor executable instruction;
Wherein, processor is configured to:
Determine that light shines to the direction of present terminal and the shooting direction of present terminal;
Shine to the direction of present terminal and the state orientation of described shooting direction determination reference object according to described light, described state orientation comprises frontlighting, backlight, sidelight state;
Obtain the photoflash lamp controling parameters corresponding with the state orientation of described reference object, and according to the described photoflash lamp controling parameters obtained, described reference object is taken.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: by determining that the state orientation of reference object obtains the photoflash lamp controling parameters corresponding with the state orientation of reference object, then according to this photoflash lamp controling parameters, reference object is taken, make the parameter that automatically can control photoflash lamp in shooting process according to the state orientation of reference object, thus greatly improve shooting effect.
Shine to the direction of present terminal and the state orientation of shooting direction determination reference object according to light, implementation is simple.
Shine to the angle determination sidelight state between the direction and shooting direction of present terminal according to light, implementation is simple.
Shine the direction to present terminal according to the time parameter obtained and location parameter determination light, implementation is simple, effective.
By inquiring about the corresponding relation of state orientation and the photoflash lamp controling parameters pre-set, obtain the photoflash lamp controling parameters corresponding with reference object, implementation is simple.
By being multiple state by sidelight state demarcation, then the state orientation residing for reference object is determined, and the state orientation residing for reference object obtains the photoflash lamp controling parameters corresponding with the state orientation of reference object, present terminal is made not need additionally to increase hardware configuration, the state orientation of reference object can be determined and obtain photoflash lamp controling parameters, thus Precise control can be carried out to photoflash lamp, greatly improve shooting effect.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows embodiment according to the invention, and is used from specification one and explains principle of the present invention.
Fig. 1 is the flow chart of a kind of filming control method according to an exemplary embodiment.
Fig. 2 is the flow chart of the another kind of filming control method according to an exemplary embodiment.
Fig. 3 A is the scene graph one of the filming control method according to an exemplary embodiment.
Fig. 3 B is the scene graph two of the filming control method according to an exemplary embodiment.
Fig. 3 C is the scene graph three of the filming control method according to an exemplary embodiment.
Fig. 3 D is the scene graph four of the filming control method according to an exemplary embodiment.
Fig. 3 E is the scene graph five of the filming control method according to an exemplary embodiment.
Fig. 3 F is the scene graph six of the filming control method according to an exemplary embodiment.
Fig. 4 is the block diagram of a kind of imaging control device according to an exemplary embodiment.
Fig. 5 is the block diagram of the another kind of imaging control device according to an exemplary embodiment.
Fig. 6 is the block diagram of the another kind of imaging control device according to an exemplary embodiment.
Fig. 7 is the block diagram of the another kind of imaging control device according to an exemplary embodiment.
Fig. 8 is a kind of block diagram being applicable to imaging control device according to an exemplary embodiment.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
Fig. 1 is the flow chart of a kind of filming control method according to an exemplary embodiment, as shown in Figure 1, this filming control method can be applicable on capture apparatus, this capture apparatus can including, but not limited to equipment such as mobile phone and panel computers (PAD), and this filming control method comprises the following steps S101-S103:
In step S101, determine that light shines to the direction of present terminal and the shooting direction of present terminal.
In this embodiment, present terminal such as mobile phone can acquisition time parameter and location parameter, and according to the time parameter obtained and location parameter determination light according to the direction to present terminal.
Such as, mobile phone can obtain current time, and current time can represent with date Hour Minute Second, and mobile phone, after acquisition current time, can know whether current be daytime, current season and current correct time point; Simultaneously according to positional information such as latitude and longitude information, can know that mobile phone is in the Northern Hemisphere or the Southern Hemisphere; Knowing that current time is daytime, and after knowing that mobile phone is in the Northern Hemisphere or the Southern Hemisphere and current season and current correct time point, can determine that sunray is according to the direction to present terminal and mobile phone.
In step s 102, shine to the direction of present terminal and the state orientation of shooting direction determination reference object according to light.
Wherein, the state orientation of reference object can comprise frontlighting, backlight and sidelight state.
In this embodiment, can comprise with the state orientation of shooting direction determination reference object according to the direction to present terminal according to light: if light is identical with shooting direction according to the direction to present terminal, then determine that reference object is in frontlighting state; If light is contrary with shooting direction according to the direction to present terminal, then determine that reference object is in backlight state; If light is less than 180 degree according to being greater than 0 degree to the angle between the direction and shooting direction of present terminal, then determine that reference object is in sidelight state.
In step s 103, obtain the photoflash lamp controling parameters corresponding with the state orientation of reference object, and according to the photoflash lamp controling parameters obtained, reference object is taken.
In this embodiment, can pre-set the corresponding relation of state orientation and photoflash lamp controling parameters, such as, frontlighting state is corresponding with photoflash lamp controling parameters 1, and backlight state is corresponding with photoflash lamp controling parameters 2, and sidelight state is corresponding with photoflash lamp controling parameters 3.
In this embodiment, after the state orientation such as sidelight state obtaining reference object, the photoflash lamp controling parameters corresponding with reference object and photoflash lamp controling parameters 3 can be obtained by the above-mentioned corresponding relation of inquiry.
It should be noted that, above-mentioned photoflash lamp controling parameters can comprise flash intensity and flash time.
After obtaining the photoflash lamp controling parameters corresponding with reference object, can take reference object according to this photoflash lamp controling parameters.
Above-mentioned filming control method embodiment, by determining that the state orientation of reference object obtains the photoflash lamp controling parameters corresponding with the state orientation of reference object, then according to this photoflash lamp controling parameters, reference object is taken, make the parameter that automatically can control photoflash lamp in shooting process according to the state orientation of reference object, thus greatly improve shooting effect.
Fig. 2 is the flow chart of the another kind of filming control method according to an exemplary embodiment, and as shown in Figure 2, this filming control method comprises the following steps S200-S203:
In step s 200, be multiple state by sidelight state demarcation, and corresponding photoflash lamp controling parameters is set for each state after dividing.
In this embodiment, sidelight state can comprise half side light state and full sidelight state, and half side light state can comprise half side direct light state and half side backlight state.
In this embodiment, double sidelight state can carry out Further Division, as shown in figs. 3 a-3d, the half side light state in four quadrants can be divided equally, be namely divided into 8 states.In order to carry out more Precise control to photoflash lamp, Further Division can be carried out to the half side light state shown in Fig. 3 A-3D, such as, each state in 8 states shown in Fig. 3 A-3D can be divided equally, being namely divided into 16 states; Each state in 16 states after division can also be divided equally, be namely divided into 32 states etc.
Because each state after dividing has a corresponding photoflash lamp controling parameters, therefore, state demarcation must be thinner, is more conducive to finely controlling photoflash lamp.
It should be noted that, above-mentioned Fig. 3 A-3D is only a kind of refinement embodiment, in actual applications, can not divide equally, such as, for first quartile, division axle can be set to the direction becoming 30 degree of angles with X-axis (i.e. east-west direction axle), as shown in FIGURE 3 E, in addition, also trisection can be carried out to the half side light state of each quadrant, as illustrated in Figure 3 F.As can be seen here, the present embodiment does not limit the dividing mode of state.
In addition, if light is according to being 90 degree to the angle between the direction and shooting direction of present terminal, then determine that reference object is in full sidelight state.
In step s 201, obtain time parameter and the location parameter of present terminal, and shine the direction to present terminal according to this time parameter and location parameter determination light, determine the shooting direction of present terminal simultaneously.
In this embodiment, present terminal such as mobile phone can obtain current time, if be daytime according to current time determination current time, then can know current season and current correct time dot information according to current time further; Simultaneously according to positional information such as latitude and longitude information, can know that mobile phone is in the Northern Hemisphere or the Southern Hemisphere; Knowing that current time is daytime, and after knowing that mobile phone is in the Northern Hemisphere or the Southern Hemisphere and current season and current correct time point, can determine that sunray is according to the direction to present terminal and mobile phone.
In step S202, shine to the direction of present terminal and the state orientation of shooting direction determination reference object according to light.
Suppose, the state orientation of this reference object is sidelight state, then can determine the state after the division residing for this reference object further.For Fig. 3 A-3D, the state after the division can determining residing for it according to the position of reference object.
In step S203, obtain the photoflash lamp controling parameters corresponding with the state orientation of reference object, and according to the photoflash lamp controling parameters obtained, reference object is taken.
Continue for Fig. 3 A-3D, describe the process obtaining photoflash lamp controling parameters, in this embodiment, photoflash lamp can be double flashing light.Due at some fixed times, the position of the sun is fixing, therefore centered by the sun, coordinate diagram as shown in figs. 3 a-3d can be built, in Fig. 3 A-3D, 8 states after refinement can use numeral, such as, this 8 states are represented, under 000 state with 000-111 respectively, sunray photograph is 45 ~ 90 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the left side of shooting direction; Under 001 state, sunray photograph is 0 ~ 45 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the left side of shooting direction; Under 010 state, sunray photograph is 0 ~ 45 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the right side of shooting direction; Under 011 state, sunray photograph is 45 ~ 90 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the right side of shooting direction; Under 100 states, sunray photograph is 90 ~ 135 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the right side of shooting direction; Under 101 states, sunray photograph is 135 ~ 180 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the right side of shooting direction; Under 110 states, sunray photograph is 135 ~ 180 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the left side of shooting direction; Under 111 states, sunray photograph is 90 ~ 135 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the left side of shooting direction.
As shown in Figure 3A, sunray, according to being acute angle to the angle between the direction and the shooting direction of mobile phone of mobile phone, therefore, can determine that reference object is in half side direct light state, and is 000 state in division state.As can be seen from Figure 3A, the sunlight received on the right side of reference object is more and sunlight that is left side reception is less, and therefore, can control photoflash lamp is that left side low light environment carries out weak compensation.
As shown in Figure 3 B, sunray, according to being acute angle to the angle between the direction and the shooting direction of mobile phone of mobile phone, therefore, can determine that reference object is in half side direct light state, and is 001 state in refinement state.As can be seen from Figure 3B, the sunlight that receives of reference object is more and close to frontlighting state, therefore, can control photoflash lamp and carry out faint compensation for it.
As shown in Figure 3 C, sunray, according to being obtuse angle to the angle between the direction and the shooting direction of mobile phone of mobile phone, therefore, can determine that reference object is in half side backlight state, and is 100 states in refinement state.As can be seen from Fig. 3 C, the sunlight that reference object receives is little, therefore, can control photoflash lamp and compensate by force for it.
As shown in Figure 3 D, sunray, according to being obtuse angle to the angle between the direction and the shooting direction of mobile phone of mobile phone, therefore, can determine that reference object is in half side backlight state, and is 111 states in refinement state.As can be seen from Fig. 3 D, the sunlight that reference object receives is little, therefore, can control photoflash lamp and compensate by force for it.
Above-mentioned filming control method embodiment, by being multiple state by sidelight state demarcation, then the state orientation residing for reference object is determined, and the state orientation residing for reference object obtains the photoflash lamp controling parameters corresponding with the state orientation of reference object, present terminal is made not need additionally to increase hardware configuration, the state orientation of reference object can be determined and obtain photoflash lamp controling parameters, thus Precise control can be carried out to photoflash lamp, greatly improving shooting effect.
Corresponding with aforementioned filming control method embodiment, the disclosure additionally provides imaging control device embodiment.
Fig. 4 is the block diagram of a kind of imaging control device according to an exemplary embodiment, and as shown in Figure 4, imaging control device comprises: the first determination module 41, second determination module 42 and acquisition taking module 43.
First determination module 41 is configured to determine that light shines to the direction of present terminal and the shooting direction of present terminal.
In this embodiment, the first determination module 41 can acquisition time parameter and location parameter, and according to the time parameter obtained and location parameter determination light according to the direction to present terminal.
Such as, the first determination module 41 can obtain current time, and current time can represent with date Hour Minute Second, and the first determination module 41, after acquisition current time, can know whether current be daytime, current season and current correct time point; Simultaneously according to positional information such as latitude and longitude information, can know that mobile phone is in the Northern Hemisphere or the Southern Hemisphere; Knowing that current time is daytime, and after knowing that mobile phone is in the Northern Hemisphere or the Southern Hemisphere and current season and current correct time point, can determine that sunray is according to the direction to present terminal and mobile phone.
The light that second determination module 42 is configured to determine according to the first determination module 41 shines to the direction of present terminal and the state orientation of shooting direction determination reference object, and state orientation comprises frontlighting, backlight, sidelight state.
In this embodiment, second determination module 42 can comprise with the state orientation of shooting direction determination reference object according to the direction to present terminal according to light: if light is identical with shooting direction according to the direction to present terminal, then determine that reference object is in frontlighting state; If light is contrary with shooting direction according to the direction to present terminal, then determine that reference object is in backlight state; If light is less than 180 degree according to being greater than 0 degree to the angle between the direction and shooting direction of present terminal, then determine that reference object is in sidelight state.
Obtain taking module 43 to be configured to obtain the photoflash lamp controling parameters corresponding with the state orientation of the reference object that the second determination module 42 is determined, and according to the photoflash lamp controling parameters obtained, reference object is taken.
In this embodiment, can pre-set the corresponding relation of state orientation and photoflash lamp controling parameters, such as, frontlighting state is corresponding with photoflash lamp controling parameters 1, and backlight state is corresponding with photoflash lamp controling parameters 2, and sidelight state is corresponding with photoflash lamp controling parameters 3.
In this embodiment, after the state orientation such as sidelight state obtaining reference object, the photoflash lamp controling parameters corresponding with reference object and photoflash lamp controling parameters 3 can be obtained by the above-mentioned corresponding relation of inquiry.
It should be noted that, above-mentioned photoflash lamp controling parameters can comprise flash intensity and flash time.
After obtaining the photoflash lamp controling parameters corresponding with reference object, can take reference object according to this photoflash lamp controling parameters.
Device is as shown in Figure 4 for realizing above-mentioned method flow as shown in Figure 1, and the related content related to describes identical, does not repeat herein.
Above-mentioned imaging control device embodiment, by determining that the state orientation of reference object obtains the photoflash lamp controling parameters corresponding with the state orientation of reference object, then according to this photoflash lamp controling parameters, reference object is taken, make the parameter that automatically can control photoflash lamp in shooting process according to the state orientation of reference object, thus greatly improve shooting effect.
Fig. 5 is the block diagram of the another kind of imaging control device according to an exemplary embodiment, as shown in Figure 5, on above-mentioned basis embodiment illustrated in fig. 4, the second determination module 42 can comprise: frontlighting determination submodule 421, backlight determination submodule 422 and sidelight determination submodule 423.
If it is identical with shooting direction according to the direction to present terminal that frontlighting determination submodule 421 is configured to light, then determine that reference object is in frontlighting state.
If it is contrary with shooting direction according to the direction to present terminal that backlight determination submodule 422 is configured to light, then determine that reference object is in backlight state.
If sidelight determination submodule 423 is configured to light be less than 180 degree according to being greater than 0 degree to the angle between the direction and shooting direction of present terminal, then determine that reference object is in sidelight state.
Device is as shown in Figure 5 for realizing above-mentioned method flow as shown in Figure 1, and the related content related to describes identical, does not repeat herein.
Above-mentioned imaging control device embodiment, shine to the direction of present terminal and the state orientation of shooting direction determination reference object according to light, implementation is simple.
Fig. 6 is the block diagram of the another kind of imaging control device according to an exemplary embodiment, as shown in Figure 6, on above-mentioned basis embodiment illustrated in fig. 5, sidelight state comprises half side light state and full sidelight state, half side light state comprises half side direct light state and half side backlight state, and sidelight determination submodule 423 can comprise: full sidelight determining unit 4231, half side direct light determining unit 4232 and half side backlight determining unit 4233.
If full sidelight determining unit 4231 is configured to light according to being 90 degree to the angle between the direction and shooting direction of present terminal, then determine that reference object is in full sidelight state.
If half side direct light determining unit 4232 is configured to light according to being acute angle to the angle between the direction and shooting direction of present terminal, then determine that reference object is in half side direct light state.
If half side backlight determining unit 4233 is configured to light according to being obtuse angle to the angle between the direction and shooting direction of present terminal, then determine that reference object is in half side backlight state.
In this embodiment, sidelight state can comprise half side light state and full sidelight state, and half side light state can comprise half side direct light state and half side backlight state.
If light according to being 90 degree to the angle between the direction and shooting direction of present terminal, then determines that reference object is in full sidelight state.
Device is as shown in Figure 6 for realizing above-mentioned method flow as shown in Figure 2, and the related content related to describes identical, does not repeat herein.
Above-mentioned imaging control device embodiment, shine to the angle determination sidelight state between the direction and shooting direction of present terminal according to light, implementation is simple.
Fig. 7 is the block diagram of the another kind of imaging control device according to an exemplary embodiment, and as shown in Figure 7, on above-mentioned Fig. 5 or basis embodiment illustrated in fig. 6, obtaining taking module 43 can comprise: divide and arrange submodule 431 and determine to obtain submodule 432.
Division arranges submodule 431 and is configured to sidelight state demarcation be multiple state, and arranges corresponding photoflash lamp controling parameters for each state after dividing.
Determine that obtaining submodule 432 is configured to the state after determining the division residing for reference object, and obtain the photoflash lamp controling parameters corresponding with reference object.
In this embodiment, double sidelight state can carry out Further Division, as shown in figs. 3 a-3d, the half side light state in four quadrants can be divided equally, be namely divided into 8 states.In order to carry out more Precise control to photoflash lamp, Further Division can be carried out to the half side light state shown in Fig. 3 A-3D, such as, each state in 8 states shown in Fig. 3 A-3D can be divided equally, being namely divided into 16 states; Each state in 16 states after division can also be divided equally, be namely divided into 32 states etc.
Because each state after dividing has a corresponding photoflash lamp controling parameters, therefore, state demarcation must be thinner, is more conducive to finely controlling photoflash lamp.
It should be noted that, above-mentioned Fig. 3 A-3D is only a kind of refinement embodiment, in actual applications, can not divide equally, such as, for first quartile, division axle can be set to the direction becoming 30 degree of angles with X-axis (i.e. east-west direction axle), as shown in FIGURE 3 E, in addition, also trisection can be carried out to the half side light state of each quadrant, as illustrated in Figure 3 F.As can be seen here, the present embodiment does not limit the dividing mode of state.
Suppose, the state orientation of this reference object is sidelight state, then can determine the state after the division residing for this reference object further.For Fig. 3 A-3D, the state after the division can determining residing for it according to the position of reference object.
Due at some fixed times, the position of the sun is fixing, therefore centered by the sun, coordinate diagram as shown in figs. 3 a-3d can be built, in Fig. 3 A-3D, 8 states after refinement can use numeral, such as, this 8 states are represented, under 000 state with 000-111 respectively, sunray photograph is 45 ~ 90 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the left side of shooting direction; Under 001 state, sunray photograph is 0 ~ 45 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the left side of shooting direction; Under 010 state, sunray photograph is 0 ~ 45 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the right side of shooting direction; Under 011 state, sunray photograph is 45 ~ 90 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the right side of shooting direction; Under 100 states, sunray photograph is 90 ~ 135 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the right side of shooting direction; Under 101 states, sunray photograph is 135 ~ 180 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the right side of shooting direction; Under 110 states, sunray photograph is 135 ~ 180 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the left side of shooting direction; Under 111 states, sunray photograph is 90 ~ 135 degree to the angle between the direction and the shooting direction of mobile phone of mobile phone, and direction of illumination is positioned at the left side of shooting direction.
As shown in Figure 3A, sunray, according to being acute angle to the angle between the direction and the shooting direction of mobile phone of mobile phone, therefore, can determine that reference object is in half side direct light state, and is 000 state in division state.As can be seen from Figure 3A, the sunlight received on the right side of reference object is more and sunlight that is left side reception is less, and therefore, can control photoflash lamp is that left side low light environment carries out weak compensation.
As shown in Figure 3 B, sunray, according to being acute angle to the angle between the direction and the shooting direction of mobile phone of mobile phone, therefore, can determine that reference object is in half side direct light state, and is 001 state in refinement state.As can be seen from Figure 3B, the sunlight that receives of reference object is more and close to frontlighting state, therefore, can control photoflash lamp and carry out faint compensation for it.
As shown in Figure 3 C, sunray, according to being obtuse angle to the angle between the direction and the shooting direction of mobile phone of mobile phone, therefore, can determine that reference object is in half side backlight state, and is 100 states in refinement state.As can be seen from Fig. 3 C, the sunlight that reference object receives is little, therefore, can control photoflash lamp and compensate by force for it.
As shown in Figure 3 D, sunray, according to being obtuse angle to the angle between the direction and the shooting direction of mobile phone of mobile phone, therefore, can determine that reference object is in half side backlight state, and is 111 states in refinement state.As can be seen from Fig. 3 D, the sunlight that reference object receives is little, therefore, can control photoflash lamp and compensate by force for it.
Device is as shown in Figure 7 for realizing above-mentioned method flow as shown in Figure 2, and the related content related to describes identical, does not repeat herein.
Above-mentioned imaging control device embodiment, by being multiple state by sidelight state demarcation, then the state orientation residing for reference object is determined, and the state orientation residing for reference object obtains the photoflash lamp controling parameters corresponding with the state orientation of reference object, present terminal is made not need additionally to increase hardware configuration, the state orientation of reference object can be determined and obtain photoflash lamp controling parameters, thus Precise control can be carried out to photoflash lamp, greatly improving shooting effect.
About the device in above-described embodiment, wherein the concrete mode of modules, submodule executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
Fig. 8 is a kind of block diagram being applicable to imaging control device according to an exemplary embodiment.Such as, device 800 can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant, aircraft etc.
With reference to Fig. 8, device 800 can comprise following one or more assembly: processing components 802, memory 804, power supply module 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of I/O (I/O), sensor cluster 814, and communications component 816.
The integrated operation of the usual control device 800 of processing components 802, such as with display, call, data communication, camera operation and record operate the operation be associated.Treatment element 802 can comprise one or more processor 820 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 802 can comprise one or more module, and what be convenient between processing components 802 and other assemblies is mutual.Such as, processing unit 802 can comprise multi-media module, mutual with what facilitate between multimedia groupware 808 and processing components 802.
Memory 804 is configured to store various types of data to be supported in the operation of equipment 800.The example of these data comprises for any application program of operation on device 800 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 804 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
The various assemblies that electric power assembly 806 is device 800 provide electric power.Electric power assembly 806 can comprise power-supply management system, one or more power supply, and other and the assembly generating, manage and distribute electric power for device 800 and be associated.
Multimedia groupware 808 is included in the screen providing an output interface between described device 800 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises one or more touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 808 comprises a front-facing camera and/or post-positioned pick-up head.When equipment 800 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 810 is configured to export and/or input audio signal.Such as, audio-frequency assembly 810 comprises a microphone (MIC), and when device 800 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal received can be stored in memory 804 further or be sent via communications component 816.In certain embodiments, audio-frequency assembly 810 also comprises a loud speaker, for output audio signal.
I/O interface 812 is for providing interface between processing components 802 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor cluster 814 comprises one or more transducer, for providing the state estimation of various aspects for device 800.Such as, sensor cluster 814 can detect the opening/closing state of equipment 800, the relative positioning of assembly, such as described assembly is display and the keypad of device 800, the position of all right checkout gear 800 of sensor cluster 814 or device 800 1 assemblies changes, the presence or absence that user contacts with device 800, the variations in temperature of device 800 orientation or acceleration/deceleration and device 800.Sensor cluster 814 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 814 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 814 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 816 is configured to the communication being convenient to wired or wireless mode between device 800 and other equipment.Device 800 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communication component 816 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communication component 816 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 800 can be realized, for performing said method by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components.
In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the memory 804 of instruction, above-mentioned instruction can perform said method by the processor 820 of device 800.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc.
Those skilled in the art, at consideration specification and after putting into practice disclosed herein disclosing, will easily expect other embodiment of the present disclosure.The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.
Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.
Claims (13)
1. a filming control method, is characterized in that, described method comprises:
Determine that light shines to the direction of present terminal and the shooting direction of present terminal;
Shine to the direction of present terminal and the state orientation of described shooting direction determination reference object according to described light, described state orientation comprises frontlighting, backlight, sidelight state;
Obtain the photoflash lamp controling parameters corresponding with the state orientation of described reference object, and according to the described photoflash lamp controling parameters obtained, described reference object is taken.
2. filming control method according to claim 1, is characterized in that, described according to described light according to the direction of present terminal and the state orientation of described shooting direction determination reference object, comprising:
If described light is identical with described shooting direction according to the direction to present terminal, then determine that described reference object is in frontlighting state;
If described light is contrary with described shooting direction according to the direction to present terminal, then determine that described reference object is in backlight state;
If described light is less than 180 degree according to being greater than 0 degree to the angle between the direction and described shooting direction of present terminal, then determine that described reference object is in sidelight state.
3. filming control method according to claim 2, it is characterized in that, described sidelight state comprises half side light state and full sidelight state, described half side light state comprises half side direct light state and half side backlight state, if described light is less than 180 degree according to being greater than 0 degree to the angle between the direction and described shooting direction of present terminal, then determine that described reference object is in sidelight state, comprising:
If described light according to being 90 degree to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in full sidelight state;
If described light according to being acute angle to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in half side direct light state;
If described light according to being obtuse angle to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in half side backlight state.
4. filming control method according to claim 1, is characterized in that, describedly determines that light is according to the direction of present terminal, comprising:
Obtain time parameter and the location parameter of present terminal, and determine that described light is according to the direction to present terminal according to described time parameter and location parameter.
5. filming control method according to claim 1, is characterized in that, the photoflash lamp controling parameters that described acquisition is corresponding with the state orientation of described reference object, comprising:
Inquire about the corresponding relation of state orientation and the photoflash lamp controling parameters pre-set according to the state orientation of described reference object, obtain the photoflash lamp controling parameters corresponding with described reference object.
6. the filming control method according to Claims 2 or 3, is characterized in that, the photoflash lamp controling parameters that described acquisition is corresponding with the state orientation of described reference object, comprising:
Be multiple state by described sidelight state demarcation, and corresponding photoflash lamp controling parameters is set for each state after dividing;
Determine the state after the division residing for described reference object, and obtain the photoflash lamp controling parameters corresponding with described reference object.
7. an imaging control device, is characterized in that, described device comprises:
First determination module, is configured to determine that light shines to the direction of present terminal and the shooting direction of present terminal;
Second determination module, the described light being configured to determine according to described first determination module shines to the direction of present terminal and the state orientation of described shooting direction determination reference object, and described state orientation comprises frontlighting, backlight, sidelight state;
Obtain taking module, be configured to obtain the photoflash lamp controling parameters corresponding with the state orientation of the described reference object that described second determination module is determined, and according to the described photoflash lamp controling parameters obtained, described reference object taken.
8. imaging control device according to claim 7, is characterized in that, described second determination module comprises:
Frontlighting determination submodule, if it is identical with described shooting direction according to the direction to present terminal to be configured to described light, then determines that described reference object is in frontlighting state;
Backlight determination submodule, if it is contrary with described shooting direction according to the direction to present terminal to be configured to described light, then determines that described reference object is in backlight state;
Sidelight determination submodule, if be configured to described light to be less than 180 degree according to being greater than 0 degree to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in sidelight state.
9. imaging control device according to claim 8, is characterized in that, described sidelight state comprises half side light state and full sidelight state, and described half side light state comprises half side direct light state and half side backlight state, and described sidelight determination submodule comprises:
Full sidelight determining unit, if be configured to described light according to being 90 degree to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in full sidelight state;
Half side direct light determining unit, if be configured to described light according to being acute angle to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in half side direct light state;
Half side backlight determining unit, if be configured to described light according to being obtuse angle to the angle between the direction and described shooting direction of present terminal, then determines that described reference object is in half side backlight state.
10. imaging control device according to claim 7, is characterized in that, described first determination module, is configured to:
Obtain time parameter and the location parameter of present terminal, and determine that described light is according to the direction to present terminal according to described time parameter and location parameter.
11. imaging control devices according to claim 7, is characterized in that, described acquisition taking module, is configured to:
Inquire about the corresponding relation of state orientation and the photoflash lamp controling parameters pre-set according to the state orientation of described reference object, obtain the photoflash lamp controling parameters corresponding with described reference object.
12. imaging control devices according to claim 8 or claim 9, it is characterized in that, described acquisition taking module comprises:
Division arranges submodule, and being configured to described sidelight state demarcation is multiple state, and arranges corresponding photoflash lamp controling parameters for each state after dividing;
Determine to obtain submodule, be configured to the state after determining the division residing for described reference object, and obtain the photoflash lamp controling parameters corresponding with described reference object.
13. 1 kinds of imaging control devices, is characterized in that, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Determine that light shines to the direction of present terminal and the shooting direction of present terminal;
Shine to the direction of present terminal and the state orientation of described shooting direction determination reference object according to described light, described state orientation comprises frontlighting, backlight, sidelight state;
Obtain the photoflash lamp controling parameters corresponding with the state orientation of described reference object, and according to the described photoflash lamp controling parameters obtained, described reference object is taken.
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