CN105979161B - Light measuring method, apparatus and system when taking pictures - Google Patents
Light measuring method, apparatus and system when taking pictures Download PDFInfo
- Publication number
- CN105979161B CN105979161B CN201610402097.8A CN201610402097A CN105979161B CN 105979161 B CN105979161 B CN 105979161B CN 201610402097 A CN201610402097 A CN 201610402097A CN 105979161 B CN105979161 B CN 105979161B
- Authority
- CN
- China
- Prior art keywords
- light
- portrait
- exposure value
- wearable device
- taking pictures
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Studio Devices (AREA)
Abstract
Light measuring method, apparatus and system when the present invention proposes a kind of take pictures, light measuring method when this is taken pictures includes determining when the wearable device for portrait of taking pictures meets preset condition, receive the exposure value of the incident light for the portrait to be taken pictures that wearable device is sent, as the first exposure value, and the exposure value of the reflected light of portrait to be taken pictures is obtained, as the second exposure value；The difference of the first exposure value and the second exposure value is obtained, and judges whether difference is less than or equal to the first preset threshold；If difference is less than or equal to the first preset threshold, survey light is carried out using the first exposure value when taking pictures；If difference is not less than the first preset threshold, survey light is carried out using the second exposure value when taking pictures.It can be realized through the invention and survey light carried out according to the incident light of portrait to be taken pictures when taking pictures, effectively promote the accuracy for surveying light when taking pictures.
Description
Technical field
The present invention relates to field of photographing technology more particularly to it is a kind of take pictures when light measuring method, apparatus and system.
Background technique
For user when being taken pictures using photographing device, photographing device can calculate the exposure value of portrait reflected light to be taken pictures,
To carry out survey light using the exposure value of the reflected light.Alternatively, light meter is placed on portrait side to be taken pictures by user, by light meter Lai
Survey the incident light of portrait to be taken pictures, that is, survey ray machine is placed on the incident light that portrait to be taken pictures nearby acquires portrait to be taken pictures, meter
The exposure value of portrait incident light to be taken pictures is calculated, to carry out survey light using the exposure value of the incident light.
Under both modes, using when the reflected light for portrait of taking pictures carries out survey light, survey light accuracy when taking pictures is not high,
And by the way that light meter is placed on portrait side to be taken pictures, it is surveyed by light meter when the incident light for portrait of taking pictures, it is numerous to survey light step
It is trivial.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, can be realized the root when taking pictures an object of the present invention is to provide light measuring method when a kind of take pictures
Survey light is carried out according to the incident light of portrait to be taken pictures, effectively promotes the accuracy for surveying light when taking pictures.
It is another object of the present invention to light measuring methods when proposing a kind of take pictures.
It is another object of the present invention to light measurers when proposing a kind of take pictures.
It is another object of the present invention to light measurers when proposing a kind of take pictures.
It is another object of the present invention to photometric systems when proposing a kind of take pictures.
In order to achieve the above objectives, light measuring method when taking pictures that first aspect present invention embodiment proposes, comprising: determining
When the wearable device for portrait of taking pictures meets preset condition, the portrait to be taken pictures that the wearable device is sent is received
The exposure value of incident light as the first exposure value, and obtains the exposure value of the reflected light of the portrait to be taken pictures, exposes as second
Light value；The difference of first exposure value and second exposure value is obtained, and judges whether the difference is less than or equal to
One preset threshold；If the difference is less than or equal to first preset threshold, when taking pictures using first exposure
Value carries out survey light；If the difference be not less than first preset threshold, when taking pictures using second exposure value into
Row surveys light.
Light measuring method when taking pictures that first aspect present invention embodiment proposes, by being set in the wearable of portrait to be taken pictures
For when meeting preset condition, the exposure value of the incident light for the portrait to be taken pictures that wearable device is sent is received, in the exposure of incident light
Light value and when the difference of the exposure value of the reflected light for portrait of taking pictures is less than or equal to the first preset threshold, when taking pictures using can
The exposure value of incident light of wearable device acquisition carries out survey light, can be realized when taking pictures according to the incident light of portrait to be taken pictures into
Row surveys light, effectively promotes the accuracy that light is surveyed when taking pictures.
In order to achieve the above objectives, second aspect of the present invention embodiment propose light measuring method when taking pictures, comprising: obtain to
Take pictures portrait incident light exposure value, as the first exposure value；First exposure value is sent to photographing device.
Light measuring method when taking pictures that second aspect of the present invention embodiment proposes passes through acquisition and entering portrait to be taken pictures
The exposure value for penetrating light is sent to photographing device, so that photographing device carries out survey light according to the incident light of portrait to be taken pictures, effectively mentions
Rise the accuracy that light is surveyed when taking pictures.
In order to achieve the above objectives, light measurer when taking pictures that third aspect present invention embodiment proposes, comprising: first connects
Module is received, for determining when the wearable device for portrait of taking pictures meets preset condition, the wearable device is received and sends
The portrait to be taken pictures incident light exposure value, as the first exposure value, and obtain the reflected light of the portrait to be taken pictures
Exposure value, as the second exposure value；First obtains module, for obtaining first exposure value and second exposure value
Difference, and judge whether the difference is less than or equal to the first preset threshold；First processing module, for being less than in the difference
Or when being equal to first preset threshold, then survey light is carried out using first exposure value when taking pictures；Second processing module is used
In when the difference is not less than first preset threshold, then survey light is carried out using second exposure value when taking pictures.
Light measurer when taking pictures that third aspect present invention embodiment proposes, by being set in the wearable of portrait to be taken pictures
For when meeting preset condition, the exposure value of the incident light for the portrait to be taken pictures that wearable device is sent is received, in the exposure of incident light
Light value and when the difference of the exposure value of the reflected light for portrait of taking pictures is less than or equal to the first preset threshold, when taking pictures using can
The exposure value of incident light of wearable device acquisition carries out survey light, can be realized when taking pictures according to the incident light of portrait to be taken pictures into
Row surveys light, effectively promotes the accuracy that light is surveyed when taking pictures.
In order to achieve the above objectives, light measurer when taking pictures that fourth aspect present invention embodiment proposes, comprising: third obtains
Modulus block, the exposure value of the incident light for obtaining portrait to be taken pictures, as the first exposure value；Sending module, being used for will be described
First exposure value is sent to photographing device.
Light measurer when taking pictures that fourth aspect present invention embodiment proposes passes through acquisition and entering portrait to be taken pictures
The exposure value for penetrating light is sent to photographing device, so that photographing device carries out survey light according to the incident light of portrait to be taken pictures, effectively mentions
Rise the accuracy that light is surveyed when taking pictures.
In order to achieve the above object, photometric system when taking pictures that fifth aspect present invention embodiment proposes, comprising: the third aspect
Light measurer when taking pictures of light measurer when taking pictures and the proposition of fourth aspect embodiment that embodiment proposes.
Photometric system when taking pictures that fifth aspect present invention embodiment proposes, by combining third aspect embodiment to propose
Light measurer when taking pictures and light measurer when taking pictures that proposes of fourth aspect embodiment, can be realized when taking pictures according to
The incident light of portrait to be taken pictures carries out survey light, effectively promotes the accuracy that light is surveyed when taking pictures.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow diagram for light measuring method when taking pictures that one embodiment of the invention proposes；
Fig. 2 is the flow diagram for light measuring method when taking pictures that another embodiment of the present invention proposes；
Fig. 3 is schematic diagram of a scenario when taking pictures in the embodiment of the present invention；
Fig. 4 is the flow diagram for light measuring method when taking pictures that another embodiment of the present invention proposes；
Fig. 5 is the flow diagram for light measuring method when taking pictures that another embodiment of the present invention proposes；
Fig. 6 is the flow diagram for light measuring method when taking pictures that another embodiment of the present invention proposes；
Fig. 7 is the structural schematic diagram for light measurer when taking pictures that one embodiment of the invention proposes；
Fig. 8 is the structural schematic diagram for light measurer when taking pictures that another embodiment of the present invention proposes；
Fig. 9 is the structural schematic diagram for light measurer when taking pictures that another embodiment of the present invention proposes；
Figure 10 is the structural schematic diagram for light measurer when taking pictures that another embodiment of the present invention proposes；
Figure 11 is the structural schematic diagram for photometric system when taking pictures that another embodiment of the present invention proposes.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.On the contrary, this
The embodiment of invention includes all changes fallen within the scope of the spiritual and intension of attached claims, modification and is equal
Object.
Fig. 1 is the flow diagram for light measuring method when taking pictures that one embodiment of the invention proposes.The present embodiment is with the bat
According to when light measuring method be configured as taking pictures when light measurer in illustrate.The present embodiment can be applied to be used in user
Photographing device is treated during portrait of taking pictures taken pictures.
Referring to Fig. 1, light measuring method when this is taken pictures is comprised the following steps:
S101: determining when the wearable device for portrait of taking pictures meets preset condition, receives what wearable device was sent
The exposure value of the incident light of portrait to be taken pictures as the first exposure value, and obtains the exposure value of the reflected light of portrait to be taken pictures, and makees
For the second exposure value.
The executing subject of the present embodiment can be photographing device, wherein photographing device is that the electronics with camera function is set
It is standby, for example, mobile terminal or intelligent camera etc., with no restriction to this.
Wherein, mobile terminal can be smart phone, tablet computer, personal digital assistant, e-book etc. with various behaviour
Make the hardware device of system.
Wearable device be can directly be worn on user, can be integrated into user clothes or accessory it is portable
Formula equipment passes through software support and data interaction, the interactive function to realize intelligent interaction in cloud.
In an embodiment of the present invention, portrait to be taken pictures can be the portrait for needing to take pictures to it.
In an embodiment of the present invention, it can be examined after establishing the communication connection between photographing device and wearable device
It surveys in communication network and whether has accessed wearable device, wearable device has been accessed in detecting communication network, and wearable
Equipment acquires and sends the exposure value of the incident light of portrait to be taken pictures, and receives the exposure value of the incident light of the portrait to be taken pictures,
In, the incident light of portrait to be taken pictures is acquired by wearable device.
For example, can be by photographing device and wearable device access to wireless communication network, and it is being separately turned on photographing device
After the auxiliary light measuring function of wearable device, detecting that judgement is wearable in communication network after access wearable device
Whether equipment meets preset condition, when meeting preset condition, the incident light of portrait to be taken pictures is acquired by wearable device, and count
The exposure value of the incident light, i.e. the first exposure value are calculated, the first exposure value is sent to photographing device side, takes pictures and set by wearable device
The exposure value of the incident light of the standby portrait to be taken pictures that can receive wearable device transmission, with no restriction to this.
Optionally, photographing device can also obtain the exposure value of the reflected light of portrait to be taken pictures using the prior art, as
Second exposure value, details are not described herein.
In an embodiment of the present invention, preset condition is that the plug-in of photographing device is preset.
In some embodiments, referring to fig. 2, the embodiment of the present invention can judge wearing for portrait to be taken pictures by following steps
Wear whether equipment meets preset condition, the executing subject of the present embodiment can be photographing device, comprising:
S201: receiving the first coordinate that wearable device is sent, and acquires the second of photographing device place spatial position and sit
Mark, wherein the first coordinate is the coordinate of spatial position where wearable device.
It is understood that wearable device, photographing device can be marked using x-axis, y-axis and z-axis, and to
It takes pictures the spatial position of portrait.Specifically, the coordinate of spatial position where itself can be acquired by wearable device, as first
Coordinate, and the first coordinate is sent to photographing device by communication network, photographing device receives the first coordinate, and the first coordinate is for example
It can be expressed as A=(a1,b1,c1), then, the coordinate of spatial position where photographing device can acquire itself is sat as second
Mark, the second coordinate can for example be expressed as B=(a2,b2,c2), referring to Fig. 3, wherein Fig. 3 includes the first seat of wearable device
Mark the third coordinate 35 of 31, the second coordinate 32 of photographing device, ray c33, ray a34, portrait to be taken pictures.
S202: obtain photographing device to the first direction wait first path between portrait of taking pictures, and according to the first coordinate with
Second coordinate calculates photographing device to the second direction in the second path between wearable device.
In an embodiment of the present invention, referring to the schematic diagram of a scenario that Fig. 3, Fig. 3 are when taking pictures in the embodiment of the present invention, example
Such as, the face identification system that can use photographing device, marking from photographing device is ray c of the starting point to portrait to be taken pictures, and is led to
Cross ray c label photographing device arrive wait the first path between portrait of taking pictures, then, can mark from photographing device for starting point to
The ray a of wearable device marks photographing device to the second path between wearable device by ray a, and using related
Algorithm in technology calculates the first direction of first path and the second direction in the second path, with no restriction to this.
Optionally, in another example, referring to Fig. 3, in Fig. 3, d is the first coordinate A=(a in S2011,b1,c1) and the second coordinate B
=(a2,b2,c2The distance between), it can pass through formulaIt obtains.
In an embodiment of the present invention, for example, it is also possible to using d approximation as photographing device to wait first between portrait of taking pictures
The length in path is based on this, in known photographing device to wait the direction between portrait of taking pictures between two o'clock, distance, and takes pictures and sets
In the case where second coordinate of standby place spatial position, the coordinate of spatial position where portrait to be taken pictures can be obtained, as third
Coordinate, third coordinate can be, for example, C=(a3,b3,c3), with no restriction to this.
Further, for example, photographing device can be obtained according to the first coordinate, the second coordinate and third coordinate to people to be taken pictures
The first direction of first path, the first direction of first path for example can be as between
And calculate photographing device to the second path between wearable device second directionIt is right
This is with no restriction.
S203: calculating the angle between first direction and second direction, and it is pre- to judge whether angle is less than or equal to second
If threshold value.
In an embodiment of the present invention, the second preset threshold can be preset by the built-in factory program of photographing device,
It can also be set by user according to self-demand, with no restriction to this.
In an embodiment of the present invention, it is to be understood that since that wearable device is generally worn on face is attached by user
Therefore second preset threshold can be set to lesser angle by close position, in the first party of photographing device to portrait to be taken pictures
To with the angle of photographing device to wearable device be less than or equal to the second preset threshold when, wearable device acquisition wait take pictures
The incident light of portrait is close enough to be radiated at wait the incident light on portrait of taking pictures, and the second preset threshold can be, for example, 20 °, to this
With no restriction.
For example, according to first directionAnd second directionAngle between the twoIt can be by angle public affairs
Formula calculates:
Then, the angle between first direction and second direction can be calculated by antitrigonometric functionAnd
Judge whether angle is less than or equal to the second preset threshold, with triggering following step, alternatively, can also obtain by other algorithms
Angle between first direction and second direction, with no restriction to this.
In some embodiments, referring to fig. 4, can also include: after S203
S401: if angle is greater than the second preset threshold, the second exposure value is directlyed adopt when taking pictures and carries out survey light.
It is understood that showing can when the angle between first direction and second direction is greater than the second preset threshold
Farther out, the incident light of the portrait to be taken pictures of wearable device acquisition is not close enough for the distance between wearable device and portrait to be taken pictures
It is radiated at wait the incident light on portrait of taking pictures, then wearable device is not available as the tool that auxiliary surveys light, then direct when taking pictures
Survey light is carried out using the exposure value of the reflected light of portrait to be taken pictures.
In the present embodiment, when the angle between second direction is greater than the second preset threshold in a first direction, show to wear
Wear the distance between equipment and portrait to be taken pictures farther out, the incident light of the portrait to be taken pictures of wearable device acquisition is not enough close to photograph
Penetrate in the tool for wait the incident light on portrait of taking pictures, being not available as auxiliary and surveying light, directlyed adopt when taking pictures the second exposure value into
Row surveys light, is able to ascend the accuracy that light is surveyed when taking pictures.
S204: if angle is less than or equal to the second preset threshold, determine that wearable device meets preset condition.
It is understood that when the angle between first direction and second direction is less than or equal to the second preset threshold,
Show that the incident light of the portrait to be taken pictures of wearable device acquisition is close enough to be radiated at wait the incident light on portrait of taking pictures, can wear
It wears equipment and carries out survey light near wait portrait of taking pictures, after measuring incident light, calculate suitable exposure value, normally taking pictures
Under mode, light can be precisely surveyed, it is not in the situation of exposure inaccuracy that the accuracy rate than measuring reflected light is much higher, can be with
Approximation is used as the tool that auxiliary surveys light, then determines that wearable device meets preset condition.
In the present embodiment, by calculate photographing device to wait between portrait of taking pictures first direction and photographing device can extremely wear
The angle between equipment between second direction is worn, is less than or equal to the second preset threshold in angle, is acquired by wearable device
The incident light of portrait to be taken pictures can carry out survey light using the wearable device that portrait to be taken pictures is worn, without additional
Photometry apparatus carries out survey light, and survey light step is simple, promotes user experience.
It is alternatively possible to which photographing device reception can determining when the wearable device for portrait of taking pictures meets preset condition
The exposure value of the incident light for the portrait to be taken pictures that wearable device is sent, as the first exposure value, and obtains the anti-of portrait to be taken pictures
The exposure value for penetrating light, as the second exposure value.
S102: obtaining the difference of the first exposure value and the second exposure value, and it is pre- to judge whether difference is less than or equal to first
If threshold value.
In an embodiment of the present invention, the first preset threshold can be preset by the built-in factory program of photographing device,
It can also be set by user according to self-demand, with no restriction to this.
It is understood that the reflected light due to portrait to be taken pictures can have certain decaying, in the related technology using anti-
Penetrate light carry out survey light can have biggish error, therefore, meet preset condition, and the incidence of portrait to be taken pictures in wearable device
The difference of light and reflected light within a preset range when survey light can be carried out using the first exposure value of portrait incident light to be taken pictures, and
Wait the difference of the incident light for portrait of taking pictures and reflected light not within a preset range when, show that wearable device detects wait clap
It is larger according to the incident optical path difference of portrait, such as when wearable device is in abnormal conditions, such as wearable device is hidden by something
Gear, the incident light of portrait to be taken pictures and the difference of reflected light may not within a preset range, it is therefore possible to use portrait to be taken pictures
Second exposure value of reflected light carries out survey light, by obtaining the difference of the first exposure value and the second exposure value, and judges that difference is
It is no to be less than or equal to the first preset threshold, survey light can be carried out with the incident light or reflected light of flexible choice portrait to be taken pictures, had
Effect promotes the flexibility of light measuring method when taking pictures.
S103: if difference is less than or equal to the first preset threshold, survey light is carried out using the first exposure value when taking pictures.
When the difference of the first exposure value and the second exposure value is less than or equal to the first preset threshold, first is used when taking pictures
Exposure value carries out survey light, that is, during taking pictures, photographing device is surveyed using the exposure value of the incident light of portrait to be taken pictures
Light.
S104: if difference is not less than the first preset threshold, survey light is carried out using the second exposure value when taking pictures.
When the difference of the first exposure value and the second exposure value is not less than the first preset threshold, exposed when taking pictures using second
Light value carries out survey light, that is, the exposure value of the reflected light when taking pictures using portrait to be taken pictures carries out survey light.
In the present embodiment, by receiving wearable device when the wearable device for portrait of taking pictures meets preset condition
The exposure value of the incident light of the portrait to be taken pictures sent, in the exposure value of the reflected light of the exposure value and portrait to be taken pictures of incident light
Difference be less than or equal to the first preset threshold when, then when taking pictures using wearable device acquisition incident light exposure value into
Row surveys light, can be realized and carries out survey light according to the incident light of portrait to be taken pictures when taking pictures, and effectively promotes the essence that light is surveyed when taking pictures
Exactness.
A kind of flow diagram for light measuring method when taking pictures that Fig. 5 is that another embodiment of invention proposes.The present embodiment with
It is illustrated in light measurer when light measuring method when this is taken pictures is configured as taking pictures.
Referring to Fig. 5, light measuring method when this is taken pictures is comprised the following steps:
S501: obtaining the exposure value of the incident light of portrait to be taken pictures, as the first exposure value.
The executing subject of the present embodiment can be wearable device.
Specifically, when photographing device shoots portrait to be taken pictures, wearable device can be near wait portrait of taking pictures
The incident light of portrait to be taken pictures is acquired, and calculates the exposure value of the incident light, is i.e. the first exposure value.
S502: the first exposure value is sent to photographing device.
In an embodiment of the present invention, it can be examined after establishing the communication connection between photographing device and wearable device
It surveys in communication network and whether has accessed wearable device, wearable device has been accessed in detecting communication network, and wearable
Equipment acquires and sends the exposure value of the incident light of portrait to be taken pictures to photographing device side, and photographing device receives should portrait be taken pictures
Incident light exposure value, for photographing device shoot wait take pictures portrait when carried out between the first exposure value and the second exposure value
Light is surveyed in selection.
In the present embodiment, the exposure value of the incident light by obtaining portrait to be taken pictures, and it is sent to photographing device, Neng Goushi
Survey light is carried out according to the incident light of portrait to be taken pictures when taking pictures now, effectively promotes the accuracy for surveying light when taking pictures.
In some embodiments, referring to Fig. 6, light measuring method when this is taken pictures can also include:
S601: the second auxiliary light measuring function for opening wearable device is instructed according to second user.
Specifically, user using photographing device before being taken pictures, by photographing device and wearable device access to wireless communication net
Network is detecting in communication network after access wearable device, auxiliary according to the second of second user instruction unlatching wearable device
Help light measuring function.
Optionally, wearable device can receive user open second auxiliary light measuring function instruction, with obtain it is subsequent to
Take pictures portrait incident light exposure value, as the first exposure value.
S602: the first coordinate of spatial position where acquiring the wearable device of portrait to be taken pictures, and the first coordinate is sent out
It send to photographing device.
It is understood that the spatial position of wearable device can be marked using x-axis, y-axis and z-axis.Specifically
Ground, the coordinate of spatial position where itself can be acquired by wearable device, as the first coordinate, and by the first coordinate by leading to
Communication network is sent to photographing device, and photographing device receives the first coordinate, and the first coordinate can for example be expressed as A=(a1,b1,c1),
So that photographing device judges the whether close enough photograph of incident light of the portrait to be taken pictures of wearable device acquisition in subsequent operation
It penetrates wait the incident light on portrait of taking pictures, and then determines whether wearable device can make the tool that auxiliary surveys light.
In the present embodiment, the second auxiliary light measuring function for opening wearable device is instructed according to second user, after obtaining
The exposure value of the incident light of continuous portrait to be taken pictures, the first of spatial position where the wearable device by acquiring portrait to be taken pictures
Coordinate, and the first coordinate is sent to photographing device, so that photographing device judges wearable device acquisition in subsequent operation
Whether the incident light of portrait to be taken pictures close enough to be radiated at wait the incident light on portrait of taking pictures, by wearable device acquisition to
It takes pictures the incident light of portrait, survey light can be carried out using the wearable device that portrait to be taken pictures is worn, without additional survey
Light device carries out survey light, and survey light step is simple, promotes user experience.
Fig. 7 is the structural schematic diagram for light measurer when taking pictures that one embodiment of the invention proposes.Survey light when this is taken pictures
Device 700 being implemented in combination with by software, hardware or both.
Referring to Fig. 7, the light measurer 700 when this is taken pictures may include: that the first receiving module 701, first obtains module
702, processing module 703.
First receiving module 701, for determining that reception can when the wearable device for portrait of taking pictures meets preset condition
The exposure value of the incident light for the portrait to be taken pictures that wearable device is sent, as the first exposure value, and obtains the anti-of portrait to be taken pictures
The exposure value for penetrating light, as the second exposure value.
First obtains module 702, for obtaining the difference of the first exposure value and the second exposure value, and judges whether difference is small
In or equal to the first preset threshold.
Processing module 703, for using the first exposure value when taking pictures when difference is less than or equal to the first preset threshold
Survey light is carried out, when difference is not less than the first preset threshold, survey light is carried out using the second exposure value when taking pictures.
Optionally, in some embodiments, referring to Fig. 8, the light measurer 700 when this is taken pictures can also include:
Second receiving module 704 for receiving the first coordinate of wearable device transmission, and acquires sky where photographing device
Between position the second coordinate, wherein the first coordinate be wearable device where spatial position coordinate.
Second obtains module 705, for obtaining photographing device to the first direction wait first path between portrait of taking pictures, and
According to the first coordinate and the second coordinate calculate photographing device to the second path between wearable device second direction.
Computing module 706, for calculating the angle between first direction and second direction, and judge angle whether be less than or
Equal to the second preset threshold.
Determination module 707, for when angle is less than or equal to the second preset threshold, then it is pre- to determine that wearable device meets
If condition.
Optionally, processing module 703 is also used to directly adopt second when taking pictures when angle is greater than the second preset threshold
Exposure value carries out survey light.
Module 708 is established, for the wireless communication connection between foundation and wearable device.
First opening module 709, for opening the first auxiliary light measuring function of photographing device according to the first user instruction.
It should be noted that the explanation in earlier figures 1- Fig. 4 embodiment to light measuring method embodiment when taking pictures
Suitable for light measurer when taking pictures of the embodiment, realization principle is similar, and details are not described herein again.
In the present embodiment, by receiving wearable device when the wearable device for portrait of taking pictures meets preset condition
The exposure value of the incident light of the portrait to be taken pictures sent, in the exposure value of the reflected light of the exposure value and portrait to be taken pictures of incident light
Difference be less than or equal to the first preset threshold when, then when taking pictures using wearable device acquisition incident light exposure value into
Row surveys light, can be realized and carries out survey light according to the incident light of portrait to be taken pictures when taking pictures, and effectively promotes the essence that light is surveyed when taking pictures
Exactness.
Fig. 9 is the structural schematic diagram for light measurer when taking pictures that another embodiment of the present invention proposes.Survey when this is taken pictures
Electro-optical device being implemented in combination with by software, hardware or both.
Referring to Fig. 9, the light measurer 90 when this is taken pictures may include: that third obtains module 91 and sending module 92.
Third obtains module 91, the exposure value of the incident light for obtaining portrait to be taken pictures, as the first exposure value.
Sending module 92, for the first exposure value to be sent to photographing device.
Optionally, in some embodiments, referring to Figure 10, the light measurer 90 when this is taken pictures can also include:
Acquisition module 93, the first coordinate of spatial position where the wearable device for acquiring portrait to be taken pictures, and will
First coordinate is sent to photographing device.
Second opening module 94, for instructing the second auxiliary light measuring function for opening wearable device according to second user.
It should be noted that the explanation in earlier figures 5- Fig. 6 embodiment to light measuring method embodiment when taking pictures
Suitable for light measurer when taking pictures of the embodiment, realization principle is similar, and details are not described herein again.
In the present embodiment, the exposure value of the incident light by obtaining portrait to be taken pictures, and it is sent to photographing device, Neng Goushi
Survey light is carried out according to the incident light of portrait to be taken pictures when taking pictures now, effectively promotes the accuracy for surveying light when taking pictures.
Figure 11 is the structural schematic diagram for photometric system when taking pictures that another embodiment of the present invention proposes.Survey when this is taken pictures
Photosystem being implemented in combination with by software, hardware or both.
Referring to Figure 11, the photometric system 11 when this is taken pictures may include: photographing device 111 and wearable device 112.
It should be noted that the explanation in earlier figures 7- Figure 10 embodiment to light measurer embodiment when taking pictures
Suitable for photometric system when taking pictures of the embodiment, realization principle is similar, and details are not described herein again.
In the present embodiment, by the way that when the wearable device for portrait of taking pictures meets preset condition, wearable device is obtained
The exposure value of the incident light of portrait to be taken pictures, and be sent to photographing device, photographing device receive that wearable device sends wait clap
According to the exposure value of the incident light of portrait, it is less than in the difference of the exposure value of the reflected light of the exposure value and portrait to be taken pictures of incident light
Or when being equal to the first preset threshold, then survey light, energy are carried out using the exposure value of the incident light of wearable device acquisition when taking pictures
Enough realize carries out survey light according to the incident light of portrait to be taken pictures when taking pictures, and effectively promotes the accuracy that light is surveyed when taking pictures.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (13)
1. a kind of light measuring method when taking pictures, which comprises the following steps:
Determining when the wearable device for portrait of taking pictures meets preset condition, is receiving the described wait take pictures of wearable device transmission
The exposure value of the incident light of portrait as the first exposure value, and obtains the exposure value of the reflected light of the portrait to be taken pictures, as
Second exposure value；
The difference of first exposure value and second exposure value is obtained, and judges whether the difference is less than or equal to first
Preset threshold；
If the difference is less than or equal to first preset threshold, surveyed when taking pictures using first exposure value
Light；
If the difference is greater than first preset threshold, survey light is carried out using second exposure value when taking pictures；
Determine that the wearable device of the portrait to be taken pictures meets the preset condition by following steps, comprising:
The first coordinate that the wearable device is sent is received, and acquires the second coordinate of photographing device place spatial position,
In, first coordinate is the coordinate of spatial position where the wearable device；
The photographing device is obtained to the first direction wait first path between portrait of taking pictures, and according to first coordinate
And second coordinate calculate the photographing device to the second path between the wearable device second direction；
The angle between the first direction and the second direction is calculated, and judges whether the angle is less than or equal to second
Preset threshold；
If the angle is less than or equal to second preset threshold, determine that the wearable device meets the default item
Part.
2. light measuring method when taking pictures as described in claim 1, which is characterized in that it is described judge the angle whether be less than or
After the second preset threshold, further includes:
If the angle is greater than second preset threshold, second exposure value is directlyed adopt when taking pictures and is surveyed
Light.
3. light measuring method when taking pictures as described in claim 1, which is characterized in that determine wearing for portrait to be taken pictures described
It wears before equipment meets preset condition, further includes:
The wireless communication established between the wearable device connects.
4. light measuring method when taking pictures as described in claim 1, which is characterized in that further include:
The first auxiliary light measuring function of the photographing device is opened according to the first user instruction.
5. a kind of light measuring method when taking pictures, which is characterized in that be applied in wearable device, comprising the following steps:
The exposure value for obtaining the incident light of portrait to be taken pictures, as the first exposure value；
First exposure value is sent to photographing device；
Further include:
First coordinate of spatial position where acquiring the wearable device of the portrait to be taken pictures, and first coordinate is sent
The extremely photographing device, and determine whether wearable device can make the tool that auxiliary surveys light using first coordinate, it is described to adopt
Determine whether wearable device can make the tool that auxiliary surveys light with first coordinate, comprising: pass through first coordinate logical
Communication network is sent to the photographing device, so that the photographing device receives first coordinate, so that the photographing device exists
Judge whether the incident light of the portrait to be taken pictures of the wearable device acquisition is close enough in subsequent operation and is radiated at institute
It states wait the incident light on portrait of taking pictures, and then determines whether the wearable device can make the tool that the auxiliary surveys light；
Wherein, in the first direction of the photographing device to portrait to be taken pictures and the photographing device to the wearable device
When angle is less than or equal to the second preset threshold, the close enough photograph of incident light of the portrait to be taken pictures of the wearable device acquisition
It penetrates wait the incident light on portrait of taking pictures.
6. light measuring method when taking pictures as claimed in claim 5, which is characterized in that further include:
The second auxiliary light measuring function of the wearable device is opened according to second user instruction.
7. a kind of light measurer when taking pictures characterized by comprising
First receiving module receives wearable set for determining when the wearable device for portrait of taking pictures meets preset condition
The exposure value of the incident light for the portrait to be taken pictures that preparation is sent as the first exposure value, and obtains the portrait to be taken pictures
The exposure value of reflected light, as the second exposure value；
First obtains module, for obtaining the difference of first exposure value and second exposure value, and judges the difference
Whether the first preset threshold is less than or equal to；
Processing module, for using described first when taking pictures when the difference is less than or equal to first preset threshold
Exposure value carries out survey light, the difference be greater than first preset threshold when, when taking pictures using second exposure value into
Row surveys light；
Further include:
Second receiving module, the first coordinate sent for receiving the wearable device, and acquire space where photographing device
Second coordinate of position, wherein first coordinate is the coordinate of spatial position where the wearable device；
Second obtains module, for obtaining first direction of the photographing device described in wait first path between portrait of taking pictures,
And the photographing device is calculated to the second path between the wearable device according to first coordinate and second coordinate
Second direction；
Whether computing module for calculating the angle between the first direction and the second direction, and judges the angle
Less than or equal to the second preset threshold；
Determination module, for when the angle is less than or equal to second preset threshold, then determining the wearable device
Meet the preset condition.
8. light measurer when taking pictures as claimed in claim 7, which is characterized in that the processing module is also used to:
When the angle is greater than second preset threshold, second exposure value is directlyed adopt when taking pictures and carries out survey light.
9. light measurer when taking pictures as claimed in claim 7, which is characterized in that further include:
Module is established, the wireless communication connection for establishing between the wearable device.
10. light measurer when taking pictures as claimed in claim 7, which is characterized in that further include:
First opening module, for opening the first auxiliary light measuring function of the photographing device according to the first user instruction.
11. a kind of light measurer when taking pictures, which is characterized in that be applied in wearable device, comprising:
Third obtains module, the exposure value of the incident light for obtaining portrait to be taken pictures, as the first exposure value；
Sending module, for first exposure value to be sent to photographing device；
Further include:
Acquisition module, the first coordinate of spatial position where the wearable device for acquiring the portrait to be taken pictures, and by institute
It states the first coordinate and is sent to the photographing device, and determine whether wearable device can make auxiliary and survey light using first coordinate
Tool, it is described to determine whether wearable device make the tool that auxiliary surveys light using first coordinate, comprising: by described the
One coordinate is sent to the photographing device by communication network, so that the photographing device receives first coordinate, for institute
It states photographing device and judges whether the incident light of portrait to be taken pictures described in wearable device acquisition is enough in subsequent operation
It is described wait the incident light on portrait of taking pictures close to being radiated at, and then determine whether the wearable device can make the auxiliary and survey light
Tool；
Wherein, in the first direction of the photographing device to portrait to be taken pictures and the photographing device to the wearable device
When angle is less than or equal to the second preset threshold, the close enough photograph of incident light of the portrait to be taken pictures of the wearable device acquisition
It penetrates wait the incident light on portrait of taking pictures.
12. light measurer when taking pictures as claimed in claim 11, which is characterized in that further include:
Second opening module, for opening the second auxiliary light measuring function of the wearable device according to second user instruction.
13. a kind of photometric system when taking pictures characterized by comprising
Light measurer when taking pictures as described in claim 7-10；
Light measurer when taking pictures as described in claim 11-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402097.8A CN105979161B (en) | 2016-06-07 | 2016-06-07 | Light measuring method, apparatus and system when taking pictures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402097.8A CN105979161B (en) | 2016-06-07 | 2016-06-07 | Light measuring method, apparatus and system when taking pictures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105979161A CN105979161A (en) | 2016-09-28 |
| CN105979161B true CN105979161B (en) | 2019-05-10 |
Family
ID=57010889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610402097.8A Active CN105979161B (en) | 2016-06-07 | 2016-06-07 | Light measuring method, apparatus and system when taking pictures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105979161B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018323B (en) * | 2017-03-09 | 2019-07-12 | Oppo广东移动通信有限公司 | Control method, control device and electronic device |
| CN108955518B (en) * | 2017-05-18 | 2020-06-16 | 武汉斗鱼网络科技有限公司 | Light metering processing method, system and equipment based on image recognition |
| CN113810618B (en) * | 2021-10-29 | 2023-10-24 | 北京环境特性研究所 | Image acquisition device and acquisition system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101119436A (en) * | 2006-08-03 | 2008-02-06 | 奥林巴斯映像株式会社 | Digital camera |
| DE102008051312A1 (en) * | 2008-10-10 | 2010-04-15 | Holger Tauer | Electronic handheld unit i.e. stereometer, for determining stereoscopic parameter during operation, has input keyboard and display for outputting stereoscopic relevant distance values |
| CN102137233A (en) * | 2009-11-20 | 2011-07-27 | 奥林巴斯映像株式会社 | Camera and light metering method for the same |
| CN102821247A (en) * | 2011-06-07 | 2012-12-12 | 联想(北京)有限公司 | Display processing equipment and display processing method |
| CN103491314A (en) * | 2013-10-14 | 2014-01-01 | 旗瀚科技有限公司 | Photometry method and photometry device of image sensor |
| CN104333750A (en) * | 2014-11-06 | 2015-02-04 | 上海斐讯数据通信技术有限公司 | Light measuring system, applicable light measuring method thereof and smart phone |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5806461B2 (en) * | 2010-10-04 | 2015-11-10 | キヤノン株式会社 | Imaging system and light emitting device |
-
2016
- 2016-06-07 CN CN201610402097.8A patent/CN105979161B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101119436A (en) * | 2006-08-03 | 2008-02-06 | 奥林巴斯映像株式会社 | Digital camera |
| DE102008051312A1 (en) * | 2008-10-10 | 2010-04-15 | Holger Tauer | Electronic handheld unit i.e. stereometer, for determining stereoscopic parameter during operation, has input keyboard and display for outputting stereoscopic relevant distance values |
| CN102137233A (en) * | 2009-11-20 | 2011-07-27 | 奥林巴斯映像株式会社 | Camera and light metering method for the same |
| CN102821247A (en) * | 2011-06-07 | 2012-12-12 | 联想(北京)有限公司 | Display processing equipment and display processing method |
| CN103491314A (en) * | 2013-10-14 | 2014-01-01 | 旗瀚科技有限公司 | Photometry method and photometry device of image sensor |
| CN104333750A (en) * | 2014-11-06 | 2015-02-04 | 上海斐讯数据通信技术有限公司 | Light measuring system, applicable light measuring method thereof and smart phone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105979161A (en) | 2016-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11798190B2 (en) | Position and pose determining method, apparatus, smart device, and storage medium | |
| US11671702B2 (en) | Real time assessment of picture quality | |
| US11158083B2 (en) | Position and attitude determining method and apparatus, smart device, and storage medium | |
| US10242454B2 (en) | System for depth data filtering based on amplitude energy values | |
| CN107113415B (en) | The method and apparatus for obtaining and merging for more technology depth maps | |
| CN105453011B (en) | Virtual objects direction and visualization | |
| CN104838642B (en) | With founder's identity or the method and apparatus of scene markers media | |
| US10916025B2 (en) | Systems and methods for forming models of three-dimensional objects | |
| CN107920211A (en) | A kind of photographic method, terminal and computer-readable recording medium | |
| CN105979161B (en) | Light measuring method, apparatus and system when taking pictures | |
| CN113038362A (en) | Ultra-wideband positioning method and system | |
| CN107847128A (en) | Determine the devices, systems, and methods of interpupillary distance | |
| US20150160009A1 (en) | Laser receiver using a smart device | |
| US20150350846A1 (en) | Methods and apparatus for position estimation | |
| KR102323328B1 (en) | System for measuring growth state of child using smart scale | |
| CN109743506A (en) | A kind of image capturing method and terminal device | |
| US20220247995A1 (en) | Imaging system configured to use time-of-flight imaging and stereo imaging | |
| US20180295283A1 (en) | Mobile terminal and method of controlling the same | |
| CN112204941A (en) | Camera device | |
| KR20200045136A (en) | Online operating system for hunting contest | |
| KR20100033634A (en) | Distance estimation apparatus and method | |
| CN104169795A (en) | Image display device, photography device in which image display device is mounted as viewfinder device, and image display method | |
| CN108076492B (en) | A method of promoting the image quality that camera shoots crowd | |
| CN105847679B (en) | Image acquisition method and electronic equipment | |
| KR20150107970A (en) | Method and system for determining position and attitude of mobile terminal including multiple image acquisition devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523859 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |