CN106331517A - Soft light lamp brightness control method and electronic device - Google Patents
Soft light lamp brightness control method and electronic device Download PDFInfo
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- CN106331517A CN106331517A CN201610851235.0A CN201610851235A CN106331517A CN 106331517 A CN106331517 A CN 106331517A CN 201610851235 A CN201610851235 A CN 201610851235A CN 106331517 A CN106331517 A CN 106331517A
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- soft light
- brightness
- control parameter
- brilliance control
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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Abstract
The present invention provides a soft light lamp brightness control method and an electronic device. The method includes the following steps that: the detection value of a brightness control parameter is determined, wherein the brightness control parameter is the proportion of a current photographed user in an image which is photographed by a photographing module set; target brightness corresponding to the detection value is determined according to corresponding relations between brightness control parameters and soft light lamp brightness; and a soft light lamp is controlled to emit light according to the target brightness. The brightness of the soft light lamp is adjusted according to the proportion of the user in the image, so that stimulus to the eyes of the user caused by the soft light lamp can be decreased.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of soft light brightness control method and electronic equipment.
Background technology
Carry out auto heterodyne with electronic equipment to become more and more popular, in order to reach preferably to autodyne effect, also for entering at night
Row is autodyned, and is configured with soft light in electronic equipment.When autodyning, during owing to autodyning, electronic equipment and eyes of user away from
From less, the light that soft light sends can to human eye produce strong impulse effect, and from soft light more close to, soft light sends
Light the strongest to the stimulation of human eye, human eye is caused injury.Therefore there is the light that soft light sends in prior art
The problem that human eye can be damaged.Above-mentioned situation also exists in and uses the post-positioned pick-up head of electronic equipment to carry out the field shot
Scape.
Summary of the invention
The embodiment of the present invention provides a kind of soft light brightness control method and electronic equipment, to solve what prior art existed
The problem that human eye can be damaged by the light that soft light sends.
First aspect, embodiments provides a kind of soft light brightness control method, including:
Determine that the detected value of brilliance control parameter, described brilliance control parameter are in the image that described shooting module photographs
The ratio that current shooting user is shared in described image；
Determine that the target that described detected value is corresponding is bright according to the corresponding relation between brilliance control parameter with soft light brightness
Degree, in described corresponding relation, during distance corresponding to the first brilliance control parameter distance corresponding less than the second brilliance control parameter,
First soft light brightness corresponding to described first brilliance control parameter is not more than second that described second brilliance control parameter is corresponding
In soft light brightness, and described corresponding relation, the 3rd soft light brightness corresponding to the 3rd brilliance control parameter is less than the 4th brightness
When controlling the 4th soft light brightness corresponding to parameter, distance corresponding to described 3rd brilliance control parameter is less than described 4th brightness
Control the distance that parameter is corresponding；
Control described soft light luminous with described object brightness.
Second aspect, the embodiment of the present invention also provides for a kind of electronic equipment, including:
First determines module, and for determining the detected value of brilliance control parameter, described brilliance control parameter is described shooting
The ratio that in the image that module photographs, current shooting user is shared in described image；
Second determines module, for according to the corresponding relation between brilliance control parameter and soft light brightness, determines described
The object brightness that detected value is corresponding, in described corresponding relation, distance corresponding to the first brilliance control parameter is less than the second brightness control
During distance corresponding to parameter processed, the first soft light brightness corresponding to described first brilliance control parameter is not more than described second brightness
Control the second soft light brightness that parameter is corresponding, and in described corresponding relation, the 3rd sheen that the 3rd brilliance control parameter is corresponding
When lamp brightness is less than the 4th soft light brightness corresponding to the 4th brilliance control parameter, described 3rd brilliance control parameter corresponding away from
From the distance corresponding less than described 4th brilliance control parameter；
Control module, is used for controlling described soft light luminous with described object brightness.
In the embodiment of the present invention, determine that the detected value of brilliance control parameter, described brilliance control parameter are described shooting mould
The ratio that in the image that group photographs, current shooting user is shared in described image；Bright with soft light according to brilliance control parameter
Corresponding relation between degree, determines the object brightness that described detected value is corresponding, in described corresponding relation, and the first brilliance control parameter
During the corresponding distance distance corresponding less than the second brilliance control parameter, the first sheen that described first brilliance control parameter is corresponding
Lamp brightness is not more than the second soft light brightness that described second brilliance control parameter is corresponding, and in described corresponding relation, the 3rd is bright
When degree controls the 3rd soft light brightness corresponding to the parameter fourth soft light brightness corresponding less than the 4th brilliance control parameter, described
The distance that distance corresponding to the 3rd brilliance control parameter is corresponding less than described 4th brilliance control parameter；Control described soft light with
Described object brightness is luminous.So user is when using soft light to autodyne, and electronic equipment can be according to current shooting user and electricity
The shared in the picture ratio of distance between subset or current shooting user adjusts the brightness of soft light, therefore works as user
When electronic equipment is closer, it is possible to reduce the light that soft light the sends stimulation to the eyes of user.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required in the embodiment of the present invention being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention,
For those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the flow chart of a kind of soft light brightness control method that first embodiment of the invention provides；
Fig. 2 is the flow chart of the another kind of soft light brightness control method that second embodiment of the invention provides；
Fig. 3 is the flow chart of the another kind of soft light brightness control method that third embodiment of the invention provides；
Fig. 4 is the structure chart of a kind of electronic equipment that fourth embodiment of the invention provides；
Fig. 5 is the structure chart of the another kind of electronic equipment that fifth embodiment of the invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
First embodiment
Step 101, determining the detected value of brilliance control parameter, described brilliance control parameter is that described shooting module photographs
Image in the ratio shared in described image of current shooting user.
In a step 101, determine the detected value of brilliance control parameter, i.e. determine shared by current shooting user is in the picture
Ratio.First, user opens photographic head, now there will be current shooting user in image, then obtains current shooting user and exists
Region shared in image, i.e. target area.Finally calculate the ratio that this target area is shared in the picture, it may be assumed that
The described detected value determining brilliance control parameter particularly as follows:
Obtain the image that described shooting module photographs；
Described image is carried out person recognition, determines the target area at personage place in described image；
Calculate the ratio that described target area is shared in described image.
When the region that acquisition current shooting user is shared in the picture, being divided into two kinds of situations, one is that only one of which is worked as
Front shooting user, another kind is to have multiple current shooting user.
In above-mentioned steps 101, as only one of which current shooting user, just determine institute in the picture according to this unique subscriber
The region accounted for, as the detected value of brilliance control parameter.
But, no matter it is to use front-facing camera to autodyne, or use post-positioned pick-up head to shoot, the image photographed
In all there may be multiple personage (i.e. there is multiple current shooting user), and the scheme of the specific embodiment of the invention is to subtract
The light that weak soft light the sends stimulation to eyes of user, and the use that the light pair that soft light sends is closest with electronic equipment
The eye irritation at family is maximum, therefore, in the specific embodiment of the invention, when there is multiple current shooting user, and be with from electronics
The nearest current shooting user of equipment is as the criterion, it may be assumed that
Described described image is carried out person recognition, determine the target area at personage place in described image particularly as follows:
Described image is carried out person recognition；
Judge whether described image exists multiple personage；
When there is multiple personage in described image, determine apart from the nearest personage of described electronic equipment in described image
Region be described target area, otherwise determine that unique personage region in described image is described target area.
Step 102, determine that described detected value is corresponding according to the corresponding relation between brilliance control parameter with soft light brightness
Object brightness, in described corresponding relation, distance corresponding to the first brilliance control parameter is corresponding less than the second brilliance control parameter
Distance time, the first soft light brightness corresponding to described first brilliance control parameter is not more than described second brilliance control parameter pair
The the second soft light brightness answered, and in described corresponding relation, the 3rd soft light brightness corresponding to the 3rd brilliance control parameter is less than
During the 4th soft light brightness corresponding to the 4th brilliance control parameter, distance corresponding to described 3rd brilliance control parameter is less than described
The distance that 4th brilliance control parameter is corresponding.
In a step 102, determine object brightness according to the corresponding relation between brilliance control parameter and soft light brightness,
And the purpose of the embodiment of the present invention is to weaken the stimulation to eyes of user of light that soft light sends, distance is the nearest, stimulates
The biggest, therefore, in the specific embodiment of the invention, the corresponding relation between brilliance control parameter and soft light brightness has following
Two features:
1, corresponding to the soft light brightness that the brilliance control parameter of less distance is corresponding be not more than corresponding to bigger away from
From soft light brightness corresponding to brilliance control parameter；It is to say, do not have soft light brightness along with diminishing of distance
Become big situation.
2, at least there is soft light brightness corresponding to the brilliance control parameter corresponding to less distance less than corresponding to relatively
The soft light brightness that the brilliance control parameter of big distance is corresponding, also just says, at least there is soft light brightness along with the change of distance
Little and situation about diminishing.
The corresponding relation meeting above-mentioned two feature can be to be the following two kinds mode:
1, continuous corresponding relation: in described corresponding relation, ratio is the biggest, corresponding soft light brightness is the least.
That is, soft light brightness is the continuous subtraction function of ratio, and soft light brightness diminishes, in continuously greatly along with the change of ratio
Change.
2, discrete corresponding relation: described ratio is divided into multiple continuous print interval in span, each is interval corresponding
In a soft light brightness, in adjacent interval, the interval corresponding soft light brightness of large percentage is less than the district that ratio is less
Between corresponding soft light brightness.
It is to say, soft light brightness is the jump function of ratio, it it is a kind of discrete corresponding relation.
When autodyning, a soft light can be there is and can reach high-high brightness and human eye will not cause stimulation in user
Small distance, in the corresponding relation of the first above-mentioned form, the distance between electronic equipment and current shooting user is less than being somebody's turn to do
During minimum range, soft light brightness is less than high-high brightness, and more and more less along with diminishing of distance.And above-mentioned the second shape
In the corresponding relation of formula, when the distance between electronic equipment and current shooting user is less than this minimum range, soft light brightness
Being respectively less than high-high brightness, only the brightness flop of soft light is discrete, and along with diminishing of distance, soft light brightness flop becomes
Gesture diminishes equally.
When distance between electronic equipment and current shooting user is more than or equal to this minimum range, the present invention is specifically real
Execute in example, for ensureing the effect of soft light, soft light can be set to high-high brightness.
In the specific embodiment of the invention, need to utilize the distance between described electronic equipment to current shooting user relevant
Brilliance control parameter determine object brightness, and brilliance control parameter can be following and electronic equipment is used with current shooting
The parameter that distance between family is relevant, such as:
Distance between electronic equipment and current shooting user itself；And
The ratio that in the image photographed, current shooting user is shared in described image.
When electronic equipment is the nearest with people, then the region that character image takies in whole image is the biggest, therefore can use
The ratio that in the image that described shooting module photographs, current shooting user is shared in described image sets to describe described electronics
Distance between standby and current shooting user.
Two kinds of forms of expression below in conjunction with corresponding relation are respectively described below.
When corresponding relation is continuous corresponding relation, and brilliance control parameter be in the image that described shooting module photographs when
During the ratio shared in described image of front shooting user, in the specific embodiment of the invention, it is possible to use following function is remembered
Record above-mentioned continuous corresponding relation:
V=t*Vmax*(1-Sren/S)
Wherein, t for adjust parameter, Vmax is the high-high brightness of soft light, Sren/S be current shooting user in the picture
Shared ratio.Ratio can be the ratio of the shared in the picture area of current shooting user and total image area, it is also possible to
Being the ratio of the shared in the picture pixel value of current shooting user and the pixel value shared by image, V is working as of soft light
Front brightness.
Therefore, Sren can be the area that current shooting user is shared in the picture, it is also possible to be that current shooting user exists
Pixel value shared in image；S can be the area of whole image, it is also possible to be the pixel value shared by whole image.
In the electronic device, adjust parameter t can be adjusted, if it is desired to make soft light brightness flop fast one
A bit, can adjust that parameter t adjusts is larger, if it is desired to the brightness flop of soft light slower, can adjust parameter t
That adjusts is smaller, and user can be according to self needing to be set to adjustment parameter t one suitable value.When adjustment parameter t is set
After being set to the value that a user considers appropriate, before upper once adjustment, adjusting parameter t would not change, and maintains use always
That value arranged before family.Vmax is the high-high brightness of soft light, and this soft light high-high brightness is changeless.
Sren/S is the ratio that current shooting user is shared in the picture, this ratio and the current shooting user distance to electronic equipment
Between have corresponding relation, the distance between current shooting user and electronic equipment is the nearest, and this ratio is the biggest, current shooting user
And the distance between electronic equipment is the most remote, this ratio is the least.
Now, adjust parameter t, soft light high-high brightness Vmax all remains unchanged after setting, therefore soft light
The shared in the picture ratio of present intensity V and current shooting user is inversely proportional to, and ratio is the biggest, and current shooting user is described
The nearest with the distance of electronic equipment, therefore to be adjusted smaller of the brightness of soft light, ratio is the least, illustrate current shooting user with
The distance of electronic equipment is the most remote, to be adjusted larger of the now brightness of soft light.
It should be appreciated that be a kind of functional relationship signal between above-mentioned V and Sren/S, the specific embodiment of the invention is also
Do not limit the concrete functional relationship between V and Sren/S, as long as making V can reduce with the growth of Sren/S.
During it should be noted that adjust soft light brightness in the above described manner, along with current shooting user is shared in the picture
The change of ratio, real-time change is also wanted in the brightness of corresponding soft light, owing to the brightness of soft light is controlled by voltage,
Different brightness may require that different voltage.Now require that the circuit in electronic equipment can control the change of voltage in real time, prop up
Holding the soft light brightness of real-time change, this situation is also more complicated.
When corresponding relation is discrete corresponding relation, and brilliance control parameter be in the image that described shooting module photographs when
During the ratio shared in described image of front shooting user, in the specific embodiment of the invention, it is possible to use following function is remembered
Record above-mentioned discrete corresponding relation:
V=0.1*Vmax 0.9≤ratio < 1.0
V=0.2*Vmax 0.7≤ratio < 0.9
V=0.3*Vmax 0.5≤ratio < 0.7
V=0.6*Vmax 0.2≤ratio < 0.5
V=1.0*Vmax ratio < 0.2
In the present embodiment, the ratio that current shooting user is shared in the picture having been divided 5 intervals altogether, each is interval
It it is continuous print.Interval soft light brightness corresponding for 0.9-1.0 is 0.1*Vmax, and interval soft light brightness corresponding for 0.7-0.9 is
0.2*Vmax, interval soft light brightness corresponding for 0.5-0.7 is 0.3*Vmax, and interval soft light brightness corresponding for 0.2-0.5 is
0.6*Vmax, the ratio interval corresponding soft light brightness less than 0.2 is 1.0*Vmax, it can be seen that, along with current shooting is used
The shared in the picture ratio in family is increasing, namely along with the distance between current shooting user and electronic equipment increasingly
Closely, darkness deepens in the brightness of soft light, so when user is when electronic equipment is closer, the brightness of soft light also can ratio dark,
Just can reduce the stimulation to the eyes of user of light that soft light sends.
In this fashion, corresponding ratio interval has only to arrange a corresponding soft light brightness.In this reality
Execute in example, the ratio that current shooting user is shared in the picture is divided into 5 intervals altogether, the most just has 5 soft lights
Brightness, the most only need to arrange 5 corresponding voltages.The mode of this regulation soft light brightness is compared to utilizing the most corresponding closing
The mode of system's regulation soft light brightness can be simpler.
The ratio cut partition that current shooting user is shared in the picture is different interval, corresponding on each interval
Having a soft light brightness, when the ratio that user is shared in the picture changes in some interval, corresponding soft light is bright
Degree will not change, and maintains and that interval corresponding brightness always.The soft light brightness during realizing of this mode
Need not change frequently along with the change of ratio, it is to avoid too much calculating process.
It should be appreciated that be a kind of functional relationship signal between above-mentioned V and Sren/S, the specific embodiment of the invention is also
Do not limit the concrete functional relationship between V and Sren/S, the most do not limit the number of partitions of Sren/S, the most do not limit adjacent interval
The rate of change of corresponding V, as long as making V can reduce with the growth of Sren/S.
When corresponding relation is continuous corresponding relation, and brilliance control parameter be the electronic equipment that detects of range sensor with
During distance between current shooting user, in the specific embodiment of the invention, it is possible to use following function records above-mentioned company
Continuous corresponding relation:
V=t*Vmax*l/L
Wherein, t is for adjusting parameter, and Vmax is the high-high brightness of soft light, and l is the current shooting that range sensor detects
Distance between user and electronic equipment, L is that the arm of user is long, and V is the present intensity of soft light.
In the electronic device, adjust parameter t can be adjusted, if it is desired to make soft light brightness flop fast one
A bit, can adjust that parameter t adjusts is larger, if it is desired to the brightness flop of soft light slower, can adjust parameter t
That adjusts is smaller, and user can be according to self needing to be set to adjustment parameter t one suitable value.
After adjustment parameter t is set to the value that a user considers appropriate, before upper once adjustment, adjust parameter t
Would not change, maintain that value arranged before user always.Vmax is the high-high brightness of soft light, and this soft light is
Big brightness is changeless.L is that the arm of user is long, and when in general user autodynes, user is from the ultimate range of electronic equipment
Arm for user is long, and L herein also can be configured, and after L is set to a value, once arranges it upper
Before, L can maintain that value arranged before user always.
Now, adjust parameter t, soft light high-high brightness Vmax and L and all remain unchanged after setting, therefore sheen
Distance l between lamp present intensity V and current shooting user and electronic equipment is directly proportional, and current shooting user set with electronics
Distance between Bei is the least, and it is the darkest that the brightness of soft light will adjust, the distance between current shooting user and electronic equipment
The biggest, it is the brightest that the brightness of soft light will adjust.
It should be appreciated that be a kind of functional relationship signal between above-mentioned l and V, the specific embodiment of the invention does not limit
Determine the concrete functional relationship between l and V, as long as making V can increase with the growth of l.
During it should be noted that adjust soft light brightness in the above described manner, along with current shooting user and electronic equipment it
Between the change of distance, real-time change is also wanted in the brightness of corresponding soft light, owing to the brightness of soft light is to be controlled by voltage
, different brightness may require that different voltage.Now require that the circuit in electronic equipment can control the change of voltage in real time, come
Supporting the soft light brightness of real-time change, this situation is more complicated.
When corresponding relation is discrete corresponding relation, and brilliance control parameter be the electronic equipment that detects of range sensor with
During distance between current shooting user, in the specific embodiment of the invention, it is possible to use following function record above-mentioned from
Scattered corresponding relation:
V=1.0*Vmax 0.9L≤l < 1.0L
V=0.6*Vmax 0.7L≤l < 0.9L
V=0.3*Vmax 0.5L≤l < 0.7L
V=0.2*Vmax 0.2L≤l < 0.5L
V=0.1*Vmax l < 0.2L
In the present embodiment, the distance between the electronic equipment and the current shooting user that are detected by range sensor is drawn altogether
Being divided into 5 intervals, each interval is continuous print.Interval soft light brightness corresponding for 0.9L-1.0L is 1.0*Vmax, interval
Soft light brightness corresponding for 0.7L-0.9L is 0.6*Vmax, and interval soft light brightness corresponding for 0.5L-0.7L is 0.3*Vmax,
Interval soft light brightness corresponding for 0.2L-0.5L is 0.2*Vmax, and the interval corresponding soft light brightness less than 0.2L is 0.1*
Vmax, it can be seen that, along with the distance between current shooting user and electronic equipment is more and more less, the brightness of soft light the most more comes
The darkest, so when user is when electronic equipment is closer, the brightness of soft light also can ratio dark, it is possible to reduce soft light send
The light stimulation to the eyes of user.
In this fashion, corresponding distance interval has only to arrange a corresponding soft light brightness.In this reality
Execute in example, the distance between current shooting user and electronic equipment is divided into altogether 5 intervals, the most just have 5 sheens
Lamp brightness, the most only need to arrange 5 corresponding voltages.The mode of this regulation soft light brightness is the most corresponding compared to utilizing
The mode of relation regulation soft light brightness can be simpler.
Distance between current shooting user and electronic equipment is divided into different intervals, right on each interval
Should there is a soft light brightness, when the distance between user and electronic equipment changes in some interval, corresponding sheen
Lamp brightness will not change, and maintains and that interval corresponding brightness always.This mode is soft light during realizing
Brightness need not change frequently along with the change of distance, it is to avoid too much calculating process.
It should be appreciated that be a kind of functional relationship signal between above-mentioned l and V, the specific embodiment of the invention does not limit
Determine the concrete functional relationship between l and V, the most do not limit the number of partitions of l, the most do not limit the change of V corresponding to adjacent interval
Rate, as long as making V can increase with the growth of l.
Step 103, to control described soft light luminous with described object brightness.
In step 103, it is determined that after the distance between current shooting user and electronic equipment, or determine current bat
After taking the photograph the ratio that user is shared in the picture, it is possible to the corresponding relation between foundation and soft light brightness determines working as of soft light
Front brightness, control soft light is with the Intensity LEDs decided, and now user just can have taken.
It should be noted that either use front-facing camera to autodyne, or post-positioned pick-up head is used to shoot,
Will exist along with current shooting user is more and more less with the distance of electronic equipment, the soft light brightness situation that also darkness deepens.
When shooting module and being post-positioned pick-up head, owing to now user can be distant from the distance of post-positioned pick-up head, now soft light is sent out
The light gone out to the eyes of user substantially without causing stimulation.But put photographic head before use when autodyning, electronic equipment
Closer with the distance of current shooting user, the eyes of user are easily caused stimulation by the light that soft light sends, therefore this
In bright embodiment, soft light brightness control method is preferably applied to use front-facing camera to carry out situation about autodyning.
The distance of reality and the ratio the two parameter that user is shared in the picture is used respectively in above embodiment
Characterizing the distance between electronic equipment and current shooting user, but other parameters can also be used to describe, simple declaration is such as
Under:
As arranged optical transmitting set and optical receiver on electronic equipment, the light that optical transmitting set sends meeting after being irradiated to face
Reflection, the light reflected is received by optical receiver, and when distance between electronic equipment and current shooting user is the biggest, light exists
In air, the distance of motion is the most remote, and the loss being subject to is the biggest.Otherwise, the loss being subject to is the least.
Therefore, can with luminous power that optical receiver receives to describe between electronic equipment and current shooting user away from
From, luminous power is the biggest, shows that electronic equipment is the nearest with the distance of current shooting user, and corresponding soft light brightness is the least.
In the embodiment of the present invention, above-mentioned electronic equipment can be any to possess shooting module and the electronic equipment of soft light,
Such as: mobile phone, panel computer (Tablet Personal Computer), kneetop computer (Laptop Computer), individual
Digital assistants (personal digital assistant is called for short PDA), mobile Internet access device (Mobile Internet
Device, MID) or Wearable device (Wearable Device) etc..
The soft light brightness control method of the embodiment of the present invention, determines the detected value of brilliance control parameter, described brightness control
Parameter processed is the ratio that in the image that described shooting module photographs, current shooting user is shared in described image；According to brightness
The corresponding relation controlled between parameter and soft light brightness determines the object brightness that described detected value is corresponding, described corresponding relation
In, during distance corresponding to the first brilliance control parameter distance corresponding less than the second brilliance control parameter, described first brightness control
First soft light brightness corresponding to parameter processed is not more than the second soft light brightness that described second brilliance control parameter is corresponding, and institute
State in corresponding relation, the 3rd soft light brightness corresponding to the 3rd brilliance control parameter corresponding less than the 4th brilliance control parameter the
During four soft light brightness, distance corresponding to described 3rd brilliance control parameter corresponding less than described 4th brilliance control parameter away from
From；Control described soft light luminous with described object brightness.By above-mentioned steps, electronic equipment can be according to current shooting user
And the shared in the picture ratio of distance between electronic equipment or current shooting user adjusts the brightness of soft light.Therefore when
User is when electronic equipment is closer, it is possible to reduce the light that soft light the sends stimulation to the eyes of user.
Second embodiment
See the flow chart that Fig. 2, Fig. 2 are the another kind of soft light brightness control methods that the embodiment of the present invention provides, such as Fig. 2
Shown in, comprise the following steps:
Step 201, identification target face.
In step 201, face is identified, when image only exists a face, just this face is carried out
Identify, when image exists multiple faces, just the face that proportion in the picture is maximum is identified.
The ratio that step 202, acquisition target face are shared in the picture.
In step 202., obtain the ratio that target face is shared in the picture, can be to obtain target face in the picture
The ratio of area of area and whole image, it is also possible to be obtain target face pixel value shared in the picture with whole
The ratio of the pixel value shared by image.
Step 203, adjust the brightness of soft light according to the ratio that the target face obtained is shared in the picture.
In step 203, adjust the brightness of soft light according to the ratio that the target face obtained is shared in the picture, permissible
There is two ways.The first is the brightness utilizing continuous corresponding relation to determine soft light, and this kind of mode is the most
Through making explanations, do not repeat them here.The second is the brightness utilizing discrete corresponding relation to determine soft light, is existed by target face
Ratio cut partition shared in image is that several continuous print is interval, and the corresponding soft light brightness in each interval, corresponding to relatively
The interval corresponding soft light brightness of vast scale is less than the interval corresponding soft light brightness corresponding to small percentage.Judge target
Which interval is the shared in the picture ratio of face fall in, then is corresponding brightness by the brightness adjustment of soft light.Second
The mode of kind is made explanations the most in the first embodiment, does not repeats them here.
Step 204, it is according to bright determined by the shared in the picture ratio of target face by the brightness adjustment of soft light
Degree.
In step 204, the brightness adjustment of soft light is determined by the ratio shared in the picture according to target face
Brightness, user can be carried out have taken, now when user is when electronic equipment is closer, it is possible to reduce soft light sends
The light stimulation to the eyes of user.
The present embodiment, is an example illustrated of the present invention, and by above-mentioned steps, electronic equipment can be according to working as
The brightness of the ratio adjustment soft light that front shooting user is shared in the picture.Therefore when user is when electronic equipment is closer, can
To reduce the stimulation to the eyes of user of the light that sends of soft light.
3rd embodiment
See the flow chart that Fig. 3, Fig. 3 are the another kind of soft light brightness control methods that the embodiment of the present invention provides, such as Fig. 3
Shown in, comprise the following steps:
Step 301, the distance obtained between target face and electronic equipment.
In step 301, when image only exists a face, just obtain between this face and electronic equipment away from
From, when image exists multiple faces, just obtain the distance between face and the electronic equipment that electronic equipment is nearest.
The distance that step 302, utilization obtain determines the brightness of soft light.
In step 302, it is possible to use two ways determines the brightness of soft light.The first is to utilize continuous corresponding relation
Determine that the brightness of soft light, this kind of mode have been made by the first embodiment explaining, do not repeats them here.The second is to utilize
Discrete corresponding relation determines the brightness of soft light, the distance between current shooting user and electronic equipment is divided into several continuously
Interval, the corresponding soft light brightness in each interval, corresponding to the interval corresponding soft light brightness of less distance
Less than the interval corresponding soft light brightness corresponding to bigger distance.Judge the current shooting user and the electronic equipment that obtain it
Between distance fall in which interval, then be corresponding brightness by the brightness adjustment of soft light.The second way the most exists
First embodiment is made explanations, does not repeats them here.
Brightness determined by step 303, the distance that will obtain according to the brightness adjustment of soft light.
In step 303, brightness determined by the distance that will obtain according to the brightness adjustment of soft light, user is the most permissible
Have taken, now when user is when electronic equipment is closer, it is possible to reduce the light that soft light the sends eyes to user
Stimulation.
The present embodiment, is an example illustrated of the present invention, and by above-mentioned steps, electronic equipment can be according to working as
Distance between front shooting user and electronic equipment adjusts the brightness of soft light.Therefore when user is when electronic equipment is closer,
The stimulation to the eyes of user of light that soft light sends can be reduced.
4th embodiment
Seeing Fig. 4, Fig. 4 is the structure chart that the present invention implements a kind of electronic equipment provided, as shown in Figure 4, electronic equipment
400 include first determining module 401, second determining module 402 and control module 403, wherein:
First determines module 401, and for determining the detected value of brilliance control parameter, described brilliance control parameter is described bat
Take the photograph the ratio that in the image that module photographs, current shooting user is shared in described image；
Second determines module 402, for determining institute according to the corresponding relation between brilliance control parameter and soft light brightness
Stating the object brightness that detected value is corresponding, in described corresponding relation, distance corresponding to the first brilliance control parameter is less than the second brightness
When controlling distance corresponding to parameter, the first soft light brightness corresponding to described first brilliance control parameter is not more than described second bright
Degree controls the second soft light brightness corresponding to parameter, and in described corresponding relation, corresponding the 3rd soft of the 3rd brilliance control parameter
When light modulation brightness is less than the 4th soft light brightness corresponding to the 4th brilliance control parameter, described 3rd brilliance control parameter is corresponding
The distance that distance is corresponding less than described 4th brilliance control parameter；
Control module 403, is used for controlling described soft light luminous with described object brightness.
Optionally, in described corresponding relation, ratio is the biggest, and corresponding soft light brightness is the least.
Optionally, described ratio is divided into multiple continuous print interval in span, and each is interval soft corresponding to one
Light modulation brightness, in adjacent interval, the interval corresponding soft light brightness of large percentage is less than the less interval correspondence of ratio
Soft light brightness.
Optionally, described shooting module is the front-facing camera of described electronic equipment.
Optionally, first determines that module 401 includes:
Acquisition module 4011, for obtaining the image that described shooting module photographs；
3rd determines module 4012, for described image is carried out person recognition, determines personage place in described image
Target area；
Computing module 4013, for calculating the ratio that described target area is shared in described image.
Optionally, the 3rd determines that module 4012 includes:
Identification module 40121, for carrying out person recognition to described image；
Judge module 40122, is used for judging whether to exist in described image multiple personage；
4th determines module 40123, in time there is multiple personage in described image, determines apart from described electronic equipment
Nearest personage region in described image is described target area, otherwise determines unique personage district in described image
Territory is described target area.
Detected value electronic equipment 400 is capable of each process that in each embodiment of the method, electronic equipment realizes, for keeping away
Exempt to repeat, repeat no more here.And electronic equipment 400 can according to the distance between current shooting user and electronic equipment or
The brightness of the ratio adjustment soft light that current shooting user is shared in the picture.Therefore when user is when electronic equipment is closer,
The stimulation to the eyes of user of light that soft light sends can be reduced.
5th embodiment
Seeing Fig. 5, Fig. 5 is the structure chart that the present invention implements the electronic equipment provided, as it is shown in figure 5, electronic equipment 500 wraps
Include: at least one processor 501, memorizer 502, at least one network interface 504 and user interface 503.In electronic equipment 500
Each assembly be coupled by bus system 505.It is understood that bus system 505 is for realizing between these assemblies
Connect communication.Bus system 505, in addition to including data/address bus, also includes power bus, controls bus and status signal bus in addition.
But for the sake of understanding explanation, in Figure 5 various buses are all designated as bus system 505.
Wherein, user interface 503 can include display, keyboard or pointing device (such as, mouse, trace ball
(track ball), touch-sensitive plate or touch screen etc..
The memorizer 502 being appreciated that in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Maybe can include volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read only memory (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhancement mode Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DRRAM).The memorizer 502 of system and method described herein be intended to include but not limited to these and arbitrarily its
It is suitable for the memorizer of type.
In some embodiments, memorizer 502 stores following element, executable module or data structure, or
Their subset of person, or their superset: operating system 5021 and application program 5022.
Wherein, operating system 5021, comprise various system program, such as ccf layer, core library layer, driving layer etc., be used for
Realize various basic business and process hardware based task.Application program 5022, comprises various application program, such as media
Player (Media Player), browser (Browser) etc., be used for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 5022.
In embodiments of the present invention, by calling program or the instruction of memorizer 502 storage, concrete, can be application
The program stored in program 5022 or instruction, processor 501 is used for:
Determine that the detected value of brilliance control parameter, described brilliance control parameter are in the image that described shooting module photographs
The ratio that current shooting user is shared in described image；
Determine that the target that described detected value is corresponding is bright according to the corresponding relation between brilliance control parameter with soft light brightness
Degree, in described corresponding relation, during distance corresponding to the first brilliance control parameter distance corresponding less than the second brilliance control parameter,
First soft light brightness corresponding to described first brilliance control parameter is not more than second that described second brilliance control parameter is corresponding
In soft light brightness, and described corresponding relation, the 3rd soft light brightness corresponding to the 3rd brilliance control parameter is less than the 4th brightness
When controlling the 4th soft light brightness corresponding to parameter, distance corresponding to described 3rd brilliance control parameter is less than described 4th brightness
Control the distance that parameter is corresponding；
Control described soft light luminous with described object brightness.
The method that the invention described above embodiment discloses can apply in processor 501, or is realized by processor 501.
Processor 501 is probably a kind of IC chip, has the disposal ability of signal.During realizing, said method each
Step can be completed by the instruction of the integrated logic circuit of the hardware in processor 501 or software form.Above-mentioned process
Device 501 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.Can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General
The processor etc. that processor can be microprocessor or this processor can also be any routine.In conjunction with embodiment of the present invention institute
The step of disclosed method can be embodied directly in hardware decoding processor and perform, or with the hardware in decoding processor
And software module combination execution completes.Software module may be located at random access memory, and flash memory, read only memory are able to programme read-only
In the storage medium that this areas such as memorizer or electrically erasable programmable memorizer, depositor are ripe.This storage medium is positioned at
Memorizer 502, processor 501 reads the information in memorizer 502, completes the step of said method in conjunction with its hardware.
It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its
Combination realizes.Realizing for hardware, processing unit can be implemented in one or more special IC (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
Controller, microcontroller, microprocessor, for performing in other electronic unit or a combination thereof of herein described function.
Software is realized, can be realized herein by the module (such as process, function etc.) performing function described herein
Described technology.Software code is storable in performing in memorizer and by processor.Memorizer can within a processor or
Processor is outside to be realized.
Optionally, processor 501 performs in described corresponding relation, and ratio is the biggest, and corresponding soft light brightness is the least.
Optionally, processor 501 performs described ratio and is divided into multiple continuous print interval in span, and each is interval
Corresponding to a soft light brightness, in adjacent interval, the interval corresponding soft light brightness of large percentage is less less than ratio
Interval corresponding soft light brightness.
Optionally, processor 501 performs the front-facing camera that described shooting module is described electronic equipment.
Optionally, processor 501 perform the described detected value determining brilliance control parameter particularly as follows:
Obtain the image that described shooting module photographs；
Described image is carried out person recognition, determines the target area at personage place in described image；
Calculate the ratio that described target area is shared in described image.
Optionally, processor 501 performs described described image to be carried out person recognition, determines personage place in described image
Target area particularly as follows:
Described image is carried out person recognition；
Judge whether described image exists multiple personage；
When there is multiple personage in described image, determine apart from the nearest personage of described electronic equipment in described image
Region be described target area, otherwise determine that unique personage region in described image is described target area.
Detected value electronic equipment 500 is capable of each process that in previous embodiment, electronic equipment realizes, for avoiding weight
Multiple, repeat no more here.And electronic equipment 500 can be according to the distance between current shooting user and electronic equipment or current
The brightness of the ratio adjustment soft light that shooting user is shared in the picture.Therefore when user is when electronic equipment is closer, permissible
The light that minimizing soft light the sends stimulation to the eyes of user.
Those of ordinary skill in the art are it is to be appreciated that combine the list of each example that the embodiments described herein describes
Unit and algorithm steps, it is possible to being implemented in combination in of electronic hardware or computer software and electronic hardware.These functions are actually
Perform with hardware or software mode, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel
Each specifically should being used for can be used different methods to realize described function, but this realization is it is not considered that exceed
The scope of the present invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, can be passed through other
Mode realizes.Such as, device embodiment described above is only schematically, such as, the division of described unit, it is only
A kind of logic function divides, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or
Person is desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or discussed is mutual
Between coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication link
Connect, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize embodiment of the present invention scheme
Purpose.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.
If described function is using the form realization of SFU software functional unit and as independent production marketing or use, permissible
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is the most in other words
The part contributing prior art or the part of this technical scheme can embody with the form of software product, this meter
Calculation machine software product is stored in a storage medium, including some instructions with so that a computer equipment (can be individual
People's computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.
And aforesaid storage medium includes: USB flash disk, portable hard drive, ROM, RAM, magnetic disc or CD etc. are various can store program code
Medium.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (10)
1. a soft light brightness control method, possesses shooting module and the electronic equipment of soft light for one, it is characterised in that
Described soft light brightness control method includes:
Determine that the detected value of brilliance control parameter, described brilliance control parameter are current in the image that described shooting module photographs
The ratio that shooting user is shared in described image；
The object brightness that described detected value is corresponding, institute is determined according to the corresponding relation between brilliance control parameter with soft light brightness
State in corresponding relation, during distance corresponding to the first brilliance control parameter distance corresponding less than the second brilliance control parameter, described
First soft light brightness corresponding to the first brilliance control parameter is not more than the second sheen that described second brilliance control parameter is corresponding
In lamp brightness, and described corresponding relation, the 3rd soft light brightness corresponding to the 3rd brilliance control parameter is less than the 4th brilliance control
During the 4th soft light brightness corresponding to parameter, distance corresponding to described 3rd brilliance control parameter is less than described 4th brilliance control
The distance that parameter is corresponding；
Control described soft light luminous with described object brightness.
Soft light brightness control method the most according to claim 1, it is characterised in that in described corresponding relation, ratio is more
Greatly, corresponding soft light brightness is the least.
Soft light brightness control method the most according to claim 1, it is characterised in that described ratio is divided in span
Interval for multiple continuous print, each is interval corresponding to a soft light brightness, and in adjacent interval, the interval of large percentage is right
The interval corresponding soft light brightness that the soft light brightness answered is less less than ratio.
4. according to the soft light brightness control method described in claim 1,2 or 3, it is characterised in that described determine brilliance control
The detected value of parameter particularly as follows:
Obtain the image that described shooting module photographs；
Described image is carried out person recognition, determines the target area at personage place in described image；
Calculate the ratio that described target area is shared in described image.
Soft light brightness control method the most according to claim 4, it is characterised in that described described image is carried out personage
Identify, determine the target area at personage place in described image particularly as follows:
Described image is carried out person recognition；
Judge whether described image exists multiple personage；
When there is multiple personage in described image, determine apart from described electronic equipment nearest personage district in described image
Territory is described target area, otherwise determines that unique personage region in described image is described target area.
6. an electronic equipment, it is characterised in that including:
First determines module, and for determining the detected value of brilliance control parameter, described brilliance control parameter is described shooting module
The ratio that in the image photographed, current shooting user is shared in described image；
Second determines module, for according to the corresponding relation between brilliance control parameter and soft light brightness, determines described detection
The object brightness that value is corresponding, in described corresponding relation, distance corresponding to the first brilliance control parameter is less than the second brilliance control ginseng
During distance corresponding to number, the first soft light brightness corresponding to described first brilliance control parameter is not more than described second brilliance control
The second soft light brightness that parameter is corresponding, and in described corresponding relation, the 3rd soft light corresponding to the 3rd brilliance control parameter is bright
When degree is less than the 4th soft light brightness corresponding to the 4th brilliance control parameter, distance corresponding to described 3rd brilliance control parameter is little
In the distance that described 4th brilliance control parameter is corresponding；
Control module, is used for controlling described soft light luminous with described object brightness.
Electronic equipment the most according to claim 6, it is characterised in that in described corresponding relation, ratio is the biggest, corresponding is soft
Light modulation brightness is the least.
Electronic equipment the most according to claim 6, it is characterised in that described ratio be divided in span multiple continuously
Interval, each is interval corresponding to a soft light brightness, in adjacent interval, the interval corresponding soft light of large percentage
The interval corresponding soft light brightness that brightness is less less than ratio.
9. according to the electronic equipment described in claim 6,7 or 8, it is characterised in that described first determines that module includes:
Acquisition module, for obtaining the image that described shooting module photographs；
3rd determines module, for described image is carried out person recognition, determines the target area at personage place in described image；
Computing module, for calculating the ratio that described target area is shared in described image.
Electronic equipment the most according to claim 9, it is characterised in that the described 3rd determines that module includes:
Identification module, for carrying out person recognition to described image；
Judge module, is used for judging whether to exist in described image multiple personage；
4th determines module, in time there is multiple personage in described image, determines apart from the people that described electronic equipment is nearest
Thing region in described image is described target area, otherwise determines that unique personage region in described image is described
Target area.
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| CN201610851235.0A CN106331517A (en) | 2016-09-26 | 2016-09-26 | Soft light lamp brightness control method and electronic device |
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Application publication date: 20170111 |