CN105554363B - A kind of method and device of laser assisted auto-focusing - Google Patents
A kind of method and device of laser assisted auto-focusing Download PDFInfo
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- CN105554363B CN105554363B CN201510373152.0A CN201510373152A CN105554363B CN 105554363 B CN105554363 B CN 105554363B CN 201510373152 A CN201510373152 A CN 201510373152A CN 105554363 B CN105554363 B CN 105554363B
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Abstract
The embodiment of the invention discloses a kind of methods of laser assisted auto-focusing, this method comprises: laser assisted focus function open command is received, to activate laser assisted focus function；Camera shooting instruction is received, to start laser assisted focusing；According to the focusing position rotary laser pulse transceiver of camera, low level laser pulse is sent to the focusing position of the camera by laser pulse emission device；The low level laser pulse by reflection is received by laser pulse receiver, according to the distance for sending and receiving focusing position of the time computational intelligence terminal to camera between the low level laser pulse；The image distance of camera is set according to the distance of the focusing position of intelligent terminal to camera and is focused.The focusing position rotary laser pulse transceiver that the technical solution of the embodiment of the present invention can be needed according to user, supports the laser assisted auto-focusing of different focus position, the auto-focusing accuracy of intelligent terminal is improved, to improve user experience.
Description
Technical field
The present invention relates to intelligent terminal field more particularly to a kind of method and devices of laser assisted auto-focusing.
Background technique
As the popularization and application of mobile terminal, such as mobile phone mobile device are indispensable in life, mobile device is attached
The various functions of adding are also increasingly by everybody concern, and in daily life, intelligent terminal is made instead of card camera substantially
For the photography and vedio recording tool of people.
The auto-focusing of intelligent terminal is different with the auto-focusing of general camera, it cannot be adjusted photosensitive element.
Therefore the automatic focusing function of intelligent terminal, essence is by image-signal processor (ISP, Image Signal
Processor method for computing data), i.e., after view finder captures original image, by the image data as original money
Material is sent in ISP, and ISP will analyze initial data, the density variation in check image between adjacent pixels.If
The focusing of original image is inaccurate, then the pixel density adjoined will be very close.ISP can use a set of individual algorithm pair
These pixels are adjusted, and it is auto-focusing process that this adjustment process, which is reflected in intelligent terminal user's eye,.It is different
The signal processing algorithm that uses of intelligent terminal ISP module it is different, the quality of auto-focusing is also not quite similar certainly.
In current intelligent terminal Autofocus Technology, laser assisted Autofocus Technology is had already appeared, camera exists
Launch one of taper laser beam in focus process in a laser transmitting-receiving window beside camera, which is infrared
Wavelength laser wave beam, people's naked eyes are invisible.Intelligent terminal will be according to the reflected time computational intelligence of laser beam later
The distance between terminal and shooting object lock rapidly focus according to shooting object distance, then complete focusing.Intelligent terminal is adopted
The signal processing that can simplify ISP with the method that laser assisted is focused, greatly improves the efficiency of focusing process.But at present
The focusing position of laser assisted focusing is display screen center, can not when the focusing position that user needs is not center
Realize effective laser assisted focusing.
Summary of the invention
The embodiment of the invention discloses a kind of method and devices of laser assisted auto-focusing, can be needed according to user
Focusing position rotary laser pulse transceiver sends laser pulse to the focusing position by the laser pulse emission device,
It realizes the laser assisted auto-focusing for supporting different focus position, the auto-focusing accuracy of intelligent terminal is improved, to improve
User experience.
First aspect of the embodiment of the present invention provides a kind of method of laser assisted auto-focusing, comprising:
Laser assisted focus function open command is received, to activate laser assisted focus function；
Camera shooting instruction is received, to start laser assisted focusing；
According to the laser pulse transceiver of the focusing position rotary intelligent terminal built-in of camera, sent out by the laser pulse
Emitter sends low level laser pulse to the focusing position of the camera, to start laser assisted focusing；
The low level laser pulse by reflection is received by the laser pulse receiver, according to sending and receiving
The distance of focusing position of the time computational intelligence terminal to the camera between the low level laser pulse；
The image distance of camera is set according to the distance of the focusing position of the intelligent terminal to the camera, and is focused.
With reference to first aspect, in the first possible implementation, in the reception camera shooting instruction, swashed with starting
After light auxiliary focusing, before the focusing position rotary laser pulse transceiver according to camera, the method also includes:
Judge whether to receive a screen instruction；
If receiving the point screen instruction, the focusing position of the camera is determined according to the point screen position；Otherwise,
The focusing position of the camera is determined as preset default focusing position or the focusing position of last time.
The possible implementation of with reference to first aspect the first, in the second possible implementation, the basis
Point screen position determines the focusing position of the camera, comprising:
Camera display screen is divided into N × M point screen position, wherein the corresponding camera in each point screen position
Focusing position, N, M are the integer more than or equal to 1；
Point screen position is set as to the focusing position of the camera.
With reference to first aspect, in the third possible implementation, which is characterized in that the focusing position according to camera
Set rotary laser pulse transceiver, comprising:
The horizontal rotation angle and vertical rotary of the laser pulse transceiver are determined according to the focusing position of the camera
Angle；
The laser pulse transceiver is rotated according to the horizontal rotation angle and vertical rotation angle.
With reference to first aspect, in the fourth possible implementation, described according to the camera lens to the camera
After the distance of focusing position is arranged the image distance of camera and is focused, the method also includes:
Judge whether to receive and stops shooting instruction or beginning shooting instruction；
Stop shooting instruction if being not received by or start shooting instruction, again according to the focusing position rotary laser of camera
Pulse transceiver sends low level laser pulse to shooting body surface, to start laser assisted by laser pulse emission device
Focusing；
Stop shooting instruction if receiving or start shooting instruction, terminate laser assisted focusing, stops shooting or start to clap
Take the photograph photo.
Second aspect of the embodiment of the present invention provides a kind of intelligent terminal, comprising:
Receiving unit, for receiving laser assisted focus function open command, to activate laser assisted focus function；
The receiving unit is also used to, and receives camera shooting instruction, to start laser assisted focusing；
Processing unit passes through for the laser pulse transceiver according to the focusing position rotary intelligent terminal built-in of camera
The laser pulse emission device sends low level laser pulse to the focusing position of the camera, to start laser assisted focusing；
The processing unit is also used to, and receives the low level laser by reflection by the laser pulse receiver
Pulse, according to the time computational intelligence terminal sent and received between the low level laser pulse to the focusing position of the camera
The distance set；
The processing unit is also used to, and camera is arranged according to the distance of the focusing position of the intelligent terminal to the camera
Image distance, and focus.
In conjunction with second aspect, in the first possible implementation, the receiving unit is also used to: receiving point screen refers to
It enables；
The processing unit is also used to:
Judge whether the receiving unit receives a screen instruction；
If the receiving unit receives the point screen instruction, the focusing position of the camera is determined according to the point screen position
It sets；Otherwise,
The focusing position of the camera is determined as preset default focusing position or the focusing position of last time.
In conjunction with the first possible implementation of second aspect, in the second possible implementation, the processing
Unit is specifically used for:
Camera display screen is divided into N × M point screen position, wherein the corresponding camera in each point screen position
Focusing position, N, M are the integer more than or equal to 1；
Point screen position is set as to the focusing position of the camera.
In conjunction with second aspect, in the third possible implementation, the processing unit is specifically used for:
The horizontal rotation angle and vertical rotary of the laser pulse transceiver are determined according to the focusing position of the camera
Angle；
The laser pulse transceiver is rotated according to the horizontal rotation angle and vertical rotation angle.
In conjunction with second aspect, in the fourth possible implementation, the receiving unit is also used to: being received and is stopped shooting
Instruction starts shooting instruction；
The processing unit is also used to:
Judge whether the receiving unit receives and stops shooting instruction or beginning shooting instruction；
Stop shooting instruction if the receiving unit is not received by or start shooting instruction, again according to the focusing of camera
Position rotary laser pulse transceiver, by laser pulse emission device send low level laser pulse to shoot body surface, with
Start laser assisted focusing；
Stop shooting instruction if the receiving unit receives or start shooting instruction, terminates laser assisted focusing, stop
It shoots or starts to shoot photo.
Technical solution provided in an embodiment of the present invention can receive and dispatch laser pulse according to the different focusing positions of camera
Device rotates to different angle, sends low level laser pulse to the focusing position of the camera by laser pulse emission device；So
The low level laser pulse by reflection is received by laser pulse receiver afterwards, according to sending and receiving the low-intensity
Time computational intelligence terminal between laser pulse to camera focusing position distance；According to the intelligent terminal to the phase
The image distance of the distance setting camera of the focusing position of machine, to realize auto-focusing.The technical program can also be according to user's
Point screen position determines the focusing position of camera, and the focusing position of camera is set as a screen when receiving the point screen instruction of user
Otherwise the focusing position of camera is set as the focusing position of default location or last time, to realize setting for focusing position by position
It sets.Shooting instruction is issued when this method can support user to be satisfied with focus effects to be terminated to focus, if user needs to adjust focusing position
Set or continue when being unsatisfied with to focus effects above-mentioned laser assisted focusing.As it can be seen that the technical side that the embodiment of the present invention proposes
Case can realize the laser assisted auto-focusing of different focus position by rotary laser pulse transceiver, improve intelligent terminal
Auto-focusing accuracy, and adaptive laser assisted focusing process can be carried out with satisfaction according to the needs of users, thus
The demand that user carries out laser assisted auto-focusing to plurality of positions is met, user experience is enhanced.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of flow diagram of the method for laser assisted auto-focusing that the embodiment of the present invention one provides；
Fig. 2 is a kind of schematic diagram for laser assisted focusing mobile phone that the embodiment of the present invention one provides；
Fig. 3 is the laser pulse transceiver rotation schematic diagram that the embodiment of the present invention one provides；
Fig. 4 is the flow diagram of the method for another laser assisted auto-focusing provided by Embodiment 2 of the present invention；
Fig. 5-a is that a kind of point screen position provided by Embodiment 2 of the present invention divides schematic diagram；
Fig. 5-b is a kind of laser pulse rotation position schematic diagram provided by Embodiment 2 of the present invention；
Fig. 5-c is another laser pulse rotation position provided by Embodiment 2 of the present invention schematic diagram；
Fig. 6 is the flow diagram of the method for another laser assisted auto-focusing that the embodiment of the present invention three provides；
Fig. 7 is a kind of schematic diagram for intelligent terminal that the embodiment of the present invention four provides；
Fig. 8 is the schematic diagram for another intelligent terminal that the embodiment of the present invention five provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Each embodiment is illustrated individually below.
Description and claims of this specification and term " first ", " second ", " third " and " in above-mentioned attached drawing
Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be
System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list
Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Researcher in this field's discovery, current laser assisted Autofocus Technology can simplify the signal processing of ISP
Process greatly improves the efficiency of focusing process, but laser pulse transceiver cannot rotate, and focusing position is always in display screen
Heart position, cannot achieve the focusing of effective laser assisted when the focusing position that user needs is not center, thus when pair
The accuracy that burnt position is focused when not being center position is lower.
Technical solution proposed by the present invention can be used for mobile phone, tablet computer, laptop, palm PC, mobile interchange
Net equipment (MID, mobile internet device) etc. has the intelligent terminal of camera function.The embodiment of the present invention mentions
A kind of method and device of laser assisted auto-focusing is supplied.In the method, laser assisted focus function is received first to open
Instruction receives camera shooting instruction to activate laser assisted focus function, to start laser assisted focusing；Then, according to camera
Focusing position rotary laser pulse transceiver, by laser pulse emission device to the focusing position of the camera send low-intensity
Laser pulse receives the low level laser pulse by reflection by laser pulse receiver, according to sending and receiving
State time computational intelligence terminal between low level laser pulse to the camera focusing position distance；Finally, according to institute
State intelligent terminal to the camera focusing position distance setting camera image distance.
Referring first to Fig. 1, Fig. 1 is a kind of process of the method for laser assisted auto-focusing that the embodiment of the present invention one provides
Schematic diagram.Wherein, as shown in Figure 1, a kind of method for laser assisted auto-focusing that the embodiment of the present invention one provides may include
Following steps:
S101, laser assisted focus function open command is received, to activate laser assisted focus function.
The setting instruction of laser assisted focus function is used to be arranged whether intelligent terminal opens laser assisted focus function, intelligence
Instruction is arranged in the laser assisted focus function that terminal device receives user, if receiving laser assisted focus function open command,
The laser assisted focus function of intelligent terminal is activated, and just will use laser assisted focusing when shooting photo；If what is received is sharp
Light auxiliary focusing function out code, then the laser assisted focus function of intelligent terminal is deactivated, when shooting photo is focused still
So use traditional ISP image-signal processing method.It is soft that laser assisted focus function setting options are commonly integrated into mobile phone camera
In part, it can also be located in operating system setting.The laser assisted focus function function of intelligent terminal can be with default setting
State of activation or default setting are deactivation status.
S102, camera shooting instruction is received, to start laser assisted focusing.
After the laser assisted automatic focusing function of intelligent terminal is activated, after receiving camera shooting instruction, laser is auxiliary
Help focus function that can start.User can send camera shooting instruction by key or touch control manner, such as user presses fastly
When door or touching photographed screen, starting laser assisted focusing.
S103, the laser pulse transceiver according to the focusing position rotary intelligent terminal built-in of camera, pass through laser pulse
Transmitter sends low level laser pulse to the focusing position of the camera, to start laser assisted focusing.
When intelligent terminal starting laser assisted is to defocused, intelligent terminal can be according to the focusing position rotary laser arteries and veins of camera
Transceiver is rushed, low level laser pulse is sent to the focusing position of the camera by laser pulse emission device.
Laser transmitting-receiving device is configured in intelligent terminal with laser assisted focus function, when starting focusing, from taking the photograph
As a laser transmitting-receiving window beside head launches one of taper laser beam, laser beam process shooting to reference object
It is received again by laser transmitting-receiving window after the reflection of object, intelligent terminal will be according to the laser beam reflected time later
The distance between computational intelligence terminal and shooting object lock rapidly focus according to shooting object distance, then complete focusing.Figure
2 be laser assisted focusing mobile phone schematic diagram, and mobile phone back as shown in Figure 2 is provided with a laser transmitting-receiving window, camera and sudden strain of a muscle
Light lamp, the laser transmitting-receiving window are exactly laser pulse transceiver progress Laser emission and laser pick-off in Mobile phone automatic focusing
Position.
The technical solution that the embodiment of the present invention proposes can be according to the focusing position rotary laser pulse transceiver of camera.?
Intelligent terminal should determine the focusing position of camera before rotary laser pulse transceiver, determine that the method for the focusing position of camera can
To be diversified, for example, the focusing position of camera can be set as to fixed position, or be arranged according to the focusing of user
The focusing position of instruction setting camera.
In some possible embodiments, the method for camera focusing position is determined before rotary laser pulse transceiver
It is the point screen instruction for judging whether to receive user；If receiving the point screen instruction of user, camera is determined according to a screen position
Focusing position；Otherwise, the focusing position of camera is determined as preset default focusing position or the focusing position of last time.
In the concrete realization, the camera display screen of intelligent terminal can be divided into N × M point screen position, for example, by the water of display screen
Square to being divided into N number of band of position, the vertical direction of display screen is divided into the M band of position, N, M are more than or equal to 1
Integer.The focusing position of the corresponding camera in each point screen band of position, when starting focusing, user can according to need focusing
Position click screen, intelligent terminal determines focusing position according to the screen position of click.
After the focusing position of camera has been determined, intelligent terminal can be received and dispatched according to the focusing position rotary laser pulse
Device sends low level laser pulse to the focusing position of camera by laser pulse emission device.Intelligent terminal can be to each right
Different laser pulse device rotation positions is arranged in burnt position.In some possible embodiments, intelligent terminal is each focusing
The horizontal rotation angle and vertical rotation angle of different laser pulse devices, the horizontal rotation angle and vertical rotary is arranged in position
Angle is respectively on the basis of the horizontal rotation angle and vertical rotation angle by specifying focusing position to determine, wherein is specified by this
The horizontal rotation angle and vertical rotation angle that focusing position determines are 0 degree, and specified focusing position can be preset default pair
Burnt position or other focusing positions.Fig. 3 is that laser pulse transceiver rotates schematic diagram, wherein as shown in figure 3, laser pulse is received
It is fixed on one substrate to send out device, which can horizontally or vertically rotate, and horizontal rotation angle isVertical rotation angle is
θ, laser pulse device rotation position are usedMark.It is true according to the focusing position of camera after intelligent terminal determines focusing position
Determine the rotation position of laser pulse transceiver, i.e. horizontal rotation angle and vertical rotation angle, according to the horizontal rotation angle and
Vertical rotation angle rotary laser pulse transceiver swashs so that laser pulse emission device sends low-intensity to the focusing position of camera
Light pulse.
S104, the low level laser pulse by reflection is received by laser pulse receiver, according to sending and receiving
State time computational intelligence terminal between low level laser pulse to the camera focusing position distance.
After intelligent terminal sends low level laser pulse to the focusing position of camera by laser pulse emission device, swash
The reflection of focusing position is passed through in light pulse, the laser pulse receiver of intelligent terminal is reflected back into, so that intelligent terminal can root
According to the time computational intelligence terminal sent and received between the low level laser pulse to the camera focusing position away from
From.
S105, the image distance of camera is arranged according to the distance of the focusing position of intelligent terminal to camera, and focused.
After intelligent terminal is calculated at a distance from the focusing position of camera, the image distance of camera is set according to this distance,
The technical solution that the embodiment of the present invention proposes supports the focusing for carrying out different focusing positions according to the needs of users, because different
Focusing position is different at a distance from intelligent terminal, therefore the camera image distance under different focus position is also not quite similar, to improve
The accuracy of laser assisted focusing.
After setting up the image distance of camera, so that it may which moving lens realization is focused, and is by by by camera lens specifically
It locks voice coil motor to realize, referred to as (VCM), it mainly has coil to voice coil motor, and group of magnets and elastic slice are constituted, and coil passes through
Upper and lower two elastic slices are fixed in group of magnets, and when being powered to coil, coil can generate magnetic field, and coil magnetic field and magnetite group are mutual
Effect, coil can move up, and the camera lens locked in coil just moves together, and when power is off, coil returns under elastic slice elastic force
It returns, intelligent terminal makes motor push camera lens by the image distance being arranged, and thereby realizes auto-focusing.
In some possible embodiments, it is set in intelligent terminal according to the distance of the focusing position of intelligent terminal to camera
After setting the image distance of camera and being focused, intelligent terminal can decide whether to receive the suspension shooting instruction of user's transmission or open
Beginning shooting instruction.If user is dissatisfied for focusing result or needs to adjust focusing position, it can not be sent out to intelligent terminal
Stop shooting out or start shooting instruction, such as user can click screen, click of the intelligent terminal again according to user again
Position determines the focusing position of camera, and rotary laser pulse transceiver sends low level laser arteries and veins by laser pulse emission device
It is flushed to shooting body surface, to restart laser assisted focusing；If user abandons shooting or focusing result is satisfied with
It can be issued to intelligent terminal and stop shooting instruction or start shooting instruction, to terminate laser assisted focus process, such as user
Shutter key can be unclamped to stop to shoot or press shutter key to start to shoot, intelligent terminal receive stop shooting instruction or
Starting shooting instruction can stop to shoot or start shooting photo.
The technical solution that the embodiment of the present invention one provides can receive laser pulse according to the different focusing positions of camera
Hair device rotates to different angle, sends low level laser pulse to the focusing position of the camera by laser pulse emission device；
Then the low level laser pulse by reflection is received by laser pulse receiver, it is described low strong according to sending and receiving
Spend laser pulse between time computational intelligence terminal to camera focusing position distance；According to the intelligent terminal described in
The image distance of the distance setting camera of the focusing position of camera, to realize auto-focusing.The technical program can also be according to user
Point screen position determine the focusing position of camera, the focusing position of camera is set as a little when receiving the point screen instruction of user
Shield position, the focusing position of camera is otherwise set as preset default focusing position or the focusing position of last time, to realize
The setting of focusing position.Shooting instruction is issued when this method can support user to be satisfied with focus effects to be terminated to focus, if user needs
It adjusts focusing position or continues above-mentioned laser assisted focusing when being unsatisfied with to focus effects.As it can be seen that the embodiment of the present invention
The technical solution of proposition can realize the laser assisted auto-focusing of different focus position by rotary laser pulse transceiver, mention
The auto-focusing accuracy of very intelligent terminal, and can adaptive laser assisted pair be carried out with satisfaction according to the needs of users
Coke processing enhances user experience to meet the demand that user carries out laser assisted auto-focusing to plurality of positions.
In order to facilitate a better understanding and implementation of the above scheme of the embodiment of the present invention, below with reference to some specific examples into
Row explanation.
The embodiment two that the embodiment of the present invention proposes provides the method for another laser assisted auto-focusing, referring to fig. 4, figure
4 be a kind of flow diagram of the method for laser assisted auto-focusing provided by Embodiment 2 of the present invention.Wherein, as shown in figure 4,
A kind of method of laser assisted auto-focusing provided by Embodiment 2 of the present invention, it may include following steps:
S201, laser assisted focus function open command is received, to activate laser assisted focus function.
The setting instruction of laser assisted focus function is used to be arranged whether intelligent terminal opens laser assisted focus function, intelligence
Instruction is arranged in the laser assisted focus function that terminal device receives user, if receiving laser assisted focus function open command,
The laser assisted focus function of intelligent terminal is activated, and just will use laser assisted focusing when shooting photo；If what is received is sharp
Light auxiliary focusing function out code, then the laser assisted focus function of intelligent terminal is deactivated, when shooting photo is focused still
So use traditional ISP image-signal processing method.
S202, camera shooting instruction is received, to start laser assisted focusing.
After the laser assisted automatic focusing function of intelligent terminal is activated, after receiving camera shooting instruction, laser is auxiliary
Help focus function that can start.User can send camera shooting instruction by key or touch control manner, such as user presses fastly
When door or touching photographed screen, starting laser assisted focusing.
S203, judge whether to receive the point screen instruction of user.
The technical solution that the embodiment of the present invention proposes can be according to the focusing position rotary laser pulse transceiver of camera.?
Intelligent terminal should determine the focusing position of camera before rotary laser pulse transceiver, determine that the method for the focusing position of camera can
To be diversified, for example, the focusing position of camera can be set as to fixed position, or be arranged according to the focusing of user
The focusing position of instruction setting camera.
A kind of method that the embodiment of the present invention two proposes determining camera focusing position is specifically first to judge whether to connect
Receive the point screen instruction of user；If receiving the point screen instruction of user, the focusing position of camera is determined according to screen position；It is no
Then, the focusing position of camera is determined as preset default focusing position or the focusing position of last time.
If S204, the point screen instruction for receiving user, the focusing position of camera is determined according to screen position.
When the point screen for receiving user instructs, intelligent terminal can determine the focusing position of camera according to screen position.
The camera display screen of intelligent terminal can be divided into N × M point screen position, for example, by the level side of display screen
To N number of band of position is divided into, the vertical direction of display screen is divided into the M band of position, N, M are the integer more than or equal to 1.
The focusing position of the corresponding camera in each point screen band of position, when starting focusing, user can according to need the position of focusing
Click screen is set, intelligent terminal determines focusing position according to the screen position of click.
For example, the camera display screen of intelligent terminal is divided into 3 × 3 point screen regions, as Fig. 5-a show one kind
Point screen position divides schematic diagram, and display screen is horizontally and vertically respectively divided into 3 bands of position, each region
The focusing position of a corresponding camera.Intelligent terminal is that different laser pulse device rotation positions is arranged in each focusing position, i.e.,
Horizontal rotation angleWith vertical rotation angle θ, the horizontal rotation angle and vertical rotation angle are respectively by specified focusing position
On the basis of setting determining horizontal rotation angle and vertical rotation angle, by the horizontal rotation angle for specifying focusing position to determine and
Vertical rotation angle is 0 degree, and the laser pulse rotation position of each focusing position is usedMark, as shown in Fig. 5-a.Intelligence
Terminal can preset the laser pulse rotation position of each focusing positionFor example, as shown in Fig. 5-b, by 3 × 3
Laser pulse rotation positionBe respectively set as (15 °, -15 °), (0 °, -15 °), (- 15 °, -15 °), (15 °,
0 °), (0 °, 0 °), (- 15 °, 0 °), (15 °, 15 °), (0 °, 15 °), (- 15 °, 15 °), wherein region 4 is specified focusing position,
I.e.To specify the laser pulse of focusing position to rotate angle, the laser pulse rotation position of other focusing positions is with the position
It is set to benchmark.In the concrete realization, the laser pulse rotation position of each focusing positionIt can also be according to shooting image
Scaling is adjusted, for example, when will shoot one times of image amplification, it willAlso corresponding expand is twice, as shown in Fig. 5-c,
Image is put when being twice, by 3 × 3 laser pulse rotation positionsBe respectively set as (30 °, -30 °),
(0°,-30°)、(-30°,-30°)、(30°,0°)、(0°,0°)、(-30°,0°)、(30°,30°)、(0°,30°)、(-30°,
30°)。
If S205, the point screen instruction for not receiving user, are determined as preset default for the focusing position of camera and focus
The focusing position of position or last time.
When the point screen for being not received by user instructs, intelligent terminal is believed that focusing position required for user for default pair
The focusing position of burnt position or last time, for example, if the preset default focusing position of intelligent terminal is region 4, when not receiving
Point screen to user instructs, and intelligent terminal is believed that focusing position required for user is region 4, and the focusing position of camera is set
It is set to region 4.
S206, the focusing position rotary laser pulse transceiver according to camera, by laser pulse emission device to the phase
The focusing position of machine sends low level laser pulse, to start laser assisted focusing.
After the focusing position of camera has been determined, intelligent terminal can be received and dispatched according to the focusing position rotary laser pulse
Device sends low level laser pulse to the focusing position of camera by laser pulse emission device.When intelligent terminal determines focusing position
It postpones, the rotation position of laser pulse transceiver, i.e. horizontal rotation angle and vertical rotary is determined according to the focusing position of camera
Angle, according to the horizontal rotation angle and vertical rotation angle rotary laser pulse transceiver so that laser pulse emission device to
The focusing position of camera sends low level laser pulse.Such as, however, it is determined that the focusing position of camera is the region 0 on display screen,
The laser pulse rotation position of the focusing position isAccording to the example of Fig. 5-b,The laser pulse of the focusing position rotates
Position is (15 °, -15 °), then according to the horizontal rotation angle and vertical rotation angle rotary laser pulse transceiver。
S207, the low level laser pulse by reflection is received by laser pulse receiver, according to sending and receiving
State time computational intelligence terminal between low level laser pulse to the camera focusing position distance.
After intelligent terminal sends low level laser pulse to the focusing position of camera by laser pulse emission device, swash
The reflection of focusing position is passed through in light pulse, the laser pulse receiver of intelligent terminal is reflected back into, so that intelligent terminal can root
According to the time computational intelligence terminal sent and received between the low level laser pulse to the camera focusing position away from
From.
S208, the image distance of camera is arranged according to the distance of the focusing position of intelligent terminal to camera, and focused.
After intelligent terminal is calculated at a distance from the focusing position of camera, the image distance of camera is set according to this distance,
The technical solution that the embodiment of the present invention proposes supports the focusing for carrying out different focusing positions according to the needs of users, because different
Focusing position is different at a distance from intelligent terminal, therefore the camera image distance under different focus position is also not quite similar, to improve
The accuracy of laser assisted focusing.
Technical solution provided by Embodiment 2 of the present invention can receive laser pulse according to the different focusing positions of camera
Hair device rotates to different angle, sends low level laser pulse to the focusing position of the camera by laser pulse emission device；
Then the low level laser pulse by reflection is received by laser pulse receiver, it is described low strong according to sending and receiving
Spend laser pulse between time computational intelligence terminal to camera focusing position distance；According to the intelligent terminal described in
The image distance of the distance setting camera of the focusing position of camera, to realize auto-focusing.The technical program can also be according to user
Point screen position determine the focusing position of camera, the focusing position of camera is set as a little when receiving the point screen instruction of user
Shield position, otherwise the focusing position of camera is set as to the focusing position of preset default location or last time, to realize focusing
The setting of position.As it can be seen that the technical solution that the embodiment of the present invention proposes can realize difference by rotary laser pulse transceiver
The laser assisted auto-focusing of focusing position, improves the auto-focusing accuracy of intelligent terminal, to meet user to many places
Position carries out the demand of laser assisted auto-focusing, enhances user experience.
The embodiment three that the embodiment of the present invention proposes provides the method for another laser assisted auto-focusing, referring to Fig. 6, figure
A kind of flow diagram of the method for the 6 laser assisted auto-focusings provided for the embodiment of the present invention three.Wherein, as shown in fig. 6,
A kind of method for laser assisted auto-focusing that the embodiment of the present invention three provides, it may include following steps:
S301, laser assisted focus function open command is received, to activate laser assisted focus function.
The setting instruction of laser assisted focus function is used to be arranged whether intelligent terminal opens laser assisted focus function, if intelligence
Energy terminal receives laser assisted focus function open command, then laser assisted focus function is activated, and will make when shooting photo
It is focused with laser assisted.
S302, camera shooting instruction is received, to start laser assisted focusing.
After the laser assisted automatic focusing function of intelligent terminal is activated, user can be sent out by key or touch control manner
Send camera shooting instruction, such as when user presses shutter or touching photographed screen, starting laser assisted focusing.
S303, judge whether to receive the point screen instruction of user.
When intelligent terminal starting laser assisted is to defocused, judge whether the point screen instruction for receiving user；If receiving use
The point screen at family instructs, and the focusing position of camera is determined according to screen position；Otherwise, the focusing position of camera is determined as preset
Default the focusing position of focusing position or last time.
If S304, the point screen instruction for receiving user, the focusing position of camera is determined according to screen position.
When the point screen for receiving user instructs, intelligent terminal can determine the focusing position of camera according to screen position.
The camera display screen of intelligent terminal can be divided into N × M point screen position, for example, by the level side of display screen
To N number of band of position is divided into, the vertical direction of display screen is divided into the M band of position, N, M are the integer more than or equal to 1.
The focusing position of the corresponding camera in each point screen band of position, when starting focusing, user can according to need the position of focusing
Click screen is set, intelligent terminal determines focusing position according to the screen position of click.
If S305, the point screen instruction for not receiving user, are determined as preset default for the focusing position of camera and focus
The focusing position of position or last time.
When the point screen for being not received by user instructs, intelligent terminal is believed that focusing position required for user for default pair
The focusing position of burnt position or last time, the default focusing position are the preset fixed focusing position of intelligent terminal.
S306, the focusing position rotary laser pulse transceiver according to camera, by laser pulse emission device to the phase
The focusing position of machine sends low level laser pulse, to start laser assisted focusing.
After the focusing position of camera has been determined, intelligent terminal can be received and dispatched according to the focusing position rotary laser pulse
Device sends low level laser pulse to the focusing position of camera by laser pulse emission device.It is proposed in the embodiment of the present invention
In technical solution, after intelligent terminal determines focusing position, the rotation of laser pulse transceiver is determined according to the focusing position of camera
Indexing is setThat is horizontal rotation angleWith vertical rotation angle θ, according to the horizontal rotation angle and vertical rotation angle
Rotary laser pulse transceiver, so that laser pulse emission device sends low level laser pulse to the focusing position of camera.
S307, the low level laser pulse by reflection is received by laser pulse receiver, according to sending and receiving
State time computational intelligence terminal between low level laser pulse to the camera focusing position distance.
After intelligent terminal sends low level laser pulse to the focusing position of camera by laser pulse emission device, swash
The reflection of focusing position is passed through in light pulse, the laser pulse receiver of intelligent terminal is reflected back into, so that intelligent terminal can root
According to the time computational intelligence terminal sent and received between the low level laser pulse to the camera focusing position away from
From.
S308, the image distance of camera is arranged according to the distance of the focusing position of intelligent terminal to camera, and focused.
After intelligent terminal is calculated at a distance from the focusing position of camera, the image distance of camera is set according to this distance,
The technical solution that the embodiment of the present invention proposes supports the focusing for carrying out different focusing positions according to the needs of users, because different
Focusing position is different at a distance from intelligent terminal, therefore the camera image distance under different focus position is also not quite similar, to improve
The accuracy of laser assisted focusing.
S309, judge whether to receive suspension shooting instruction or start shooting instruction, refer to if being not received by suspension shooting
Shooting instruction is enabled or started, step S303 is repeated.
After being focused, user can determine whether to focus again according to the satisfaction of focusing.
If user's decision dissatisfied for focusing result is focused again, it can not send and stop shooting instruction or start to clap
Instruction is taken the photograph, stops shooting instruction if user determines not sending when reselecting focusing position or starts shooting instruction and send out
Send a screen instruction.It, can be to last focusing when intelligent terminal, which does not receive, to be stopped shooting instruction or start shooting instruction
Position re-starts focusing；Stop shooting instruction or beginning shooting instruction but receive a screen to instruct when intelligent terminal does not receive
When, the focusing position of camera can be determined according to screen position, focused to new focusing position；I.e. intelligent terminal repeats to walk
Rapid S303.
If user is satisfied with focusing result, beginning shooting instruction can be sent, starts to clap to terminate focus process
Take the photograph photo.If wish to abandon shooting after user's focusing, suspension shooting instruction can be sent, to terminate focus process and put
Abandon shooting photo.
If S310, receiving suspension shooting instruction or starting shooting instruction, terminate laser assisted focusing, stops to shoot or open
Begin shooting photo.
If user is satisfied with focusing result, beginning shooting instruction can be sent, intelligent terminal, which receives, to be started to shoot
Terminate focus process after instruction to start to shoot photo.If wish to abandon shooting after user's focusing, suspension shooting can be sent
Instruction, intelligent terminal terminate focus process after receiving suspension shooting instruction and abandon shooting photo.
Technical solution provided in an embodiment of the present invention can receive and dispatch laser pulse according to the different focusing positions of camera
Device rotates to different angle, sends low level laser pulse to the focusing position of the camera by laser pulse emission device；So
The low level laser pulse by reflection is received by laser pulse receiver afterwards, according to sending and receiving the low-intensity
Time computational intelligence terminal between laser pulse to camera focusing position distance；According to the intelligent terminal to the phase
The image distance of the distance setting camera of the focusing position of machine, to realize auto-focusing.The technical program can also be according to user's
Point screen position determines the focusing position of camera, and the focusing position of camera is set as a screen when receiving the point screen instruction of user
Otherwise the focusing position of camera is set as the focusing position of default location or last time, to realize setting for focusing position by position
It sets.Shooting instruction is issued when this method can support user to be satisfied with focus effects to be terminated to focus, if user needs to adjust focusing position
Set or continue when being unsatisfied with to focus effects above-mentioned laser assisted focusing.As it can be seen that the technical side that the embodiment of the present invention proposes
Case can realize the laser assisted auto-focusing of different focus position by rotary laser pulse transceiver, improve intelligent terminal
Auto-focusing accuracy, and adaptive laser assisted focusing process can be carried out with satisfaction according to the needs of users, thus
The demand that user carries out laser assisted auto-focusing to plurality of positions is met, user experience is enhanced.
The embodiment of the present invention four provides a kind of intelligent terminal, for realizing a kind of laser assisted proposed by the present invention from
Dynamic focusing method.Referring to Fig. 7, the equipment a00 may include receiving unit a10 and processing unit a20.
Receiving unit a10 is for receiving laser assisted focus function open command, to activate laser assisted focus function；It connects
It receives unit a10 and is also used to receive camera shooting instruction, to start laser assisted focusing
Processing unit a20 is used for the laser pulse transceiver of the focusing position rotary intelligent terminal built-in according to camera, leads to
It crosses the laser pulse emission device and sends low level laser pulse to the focusing position of the camera, to start laser assisted pair
It is burnt；
Processing unit a20 is also used to receive the low level laser arteries and veins by reflection by the laser pulse receiver
Punching, according to sending and receiving focusing position of the time computational intelligence terminal between the low level laser pulse to the camera
Distance；
Processing unit a20 is also used to that camera is arranged according to the distance of the focusing position of the intelligent terminal to the camera
Image distance, and focus.
In the concrete realization, when starting laser assisted is to defocused, processing unit a20 can be revolved according to the focusing position of camera
Turn laser pulse transceiver, low level laser pulse is sent to the focusing position of the camera by laser pulse emission device.Tool
Have configured with laser transmitting-receiving device in the intelligent terminal of laser assisted focus function, when starting focusing, beside camera
One laser transmitting-receiving window launches one of taper laser beam to reference object, which passes through the reflection of reference object
Received again by laser transmitting-receiving window afterwards, post-processing unit a20 will calculate intelligence according to laser beam reflected time
The distance between energy terminal and shooting object lock rapidly focus according to shooting object distance, then complete to focus.
The focusing position of camera should be determined in the pretreatment unit a20 of rotary laser pulse transceiver.Some feasible
In embodiment, the method that camera focusing position is determined before rotary laser pulse transceiver is that processing unit a20 judgement is
The no point screen instruction for receiving user；If receiving unit a10 receives the point screen instruction of user, processing unit a20 is according to a screen
Position determines the focusing position of camera；Otherwise, the focusing position of camera is determined as preset default pair by processing unit a20
The focusing position of burnt position or last time.For example, the camera display screen of intelligent terminal can be divided into N × M by processing unit a20
A point screen position, N, M are the integer more than or equal to 1.The focusing position of the corresponding camera in each point screen band of position, works as beginning
When focusing, screen is clicked in the position that user can according to need focusing, and processing unit a20 is according to the determination pair of the screen position of click
Burnt position.
The horizontal rotation angle and vertically rotation that different laser pulse devices can be arranged in processing unit a20 for each focusing position
Gyration, the horizontal rotation angle and vertical rotation angle are respectively by specifying the horizontal rotation angle that determines of focusing position and vertical
On the basis of direct rotary gyration.It, can be corresponding according to focusing position after processing unit a20 has determined the focusing position of camera
Horizontal rotation angle and vertical rotation angle rotary laser pulse transceiver, by laser pulse emission device to the focusing position of camera
It sets and sends low level laser pulse.
After sending low level laser pulse to the focusing position of camera by laser pulse emission device, laser pulse passes through
The reflection of focusing position reflects back into the laser pulse receiver of intelligent terminal, so that processing unit a20 is according to sending and receiving
The distance of focusing position of the time computational intelligence terminal to the camera between the low level laser pulse, according to intelligent end
It holds the distance of the focusing position of camera that the image distance of camera is set, and focuses.
In some possible embodiments, processing unit a20 according to the focusing position of intelligent terminal to camera away from
From the image distance that camera is arranged and after being focused, it can be determined that whether receive the suspension shooting instruction of user's transmission or start to clap
Take the photograph instruction.If processing unit a20 is not affected by suspension shooting or starts shooting instruction, point of the processing unit a20 again according to user
The focusing position that position determines camera is hit, rotary laser pulse transceiver sends low level laser by laser pulse emission device
Pulse is to shooting body surface, to restart laser assisted focusing；If processing unit a20, which is received, stops shooting instruction or beginning
Shooting instruction can terminate laser assisted focus process.
As it can be seen that intelligent terminal provided in an embodiment of the present invention can realize different focus by rotary laser pulse transceiver
The laser assisted auto-focusing of position improves the accuracy of the Atomatic focusing method of laser assisted, and can be according to the need of user
Adaptive laser assisted focusing process is carried out with satisfaction, and laser assisted is carried out certainly to plurality of positions to meet user
The demand of dynamic focusing, enhances user experience.
The embodiment of the present invention five provides a kind of intelligent terminal, for realizing a kind of laser assisted proposed by the present invention from
The method of dynamic focusing.Referring to Fig. 8, the intelligent terminal b00 may include at least one bus b10, be connected at least with bus b10
The one processor b20 and at least one processor b30 being connected with bus b20, wherein processor b20 calls memory b30
In code with realize the embodiment of the present invention propose technical solution.
Processor b20 calls the code in memory b30 to receive laser assisted focus function open command, is swashed with activating
Light auxiliary focusing function；And camera shooting instruction is received, to start laser assisted focusing.Processor b20 is according to the focusing of camera
The laser pulse transceiver of location triggered rotary intelligent terminal built-in, by the laser pulse emission device to pair of the camera
Burnt position sends low level laser pulse, to start laser assisted focusing.Processor b20 call memory b30 in code with
The low level laser pulse by reflection is received by the laser pulse receiver, it is described low strong according to sending and receiving
Spend laser pulse between time computational intelligence terminal to the camera focusing position distance.Processor b20 is according to
Intelligent terminal to the camera focusing position distance setting camera image distance, and focus.
The focusing position of camera should be obtained in the front processor b20 of rotary laser pulse transceiver.In some feasible realities
It applies in mode, the method that camera focusing position is determined before rotary laser pulse transceiver is to judge whether to receive user
Point screen instruction；If receiving the point screen instruction of user, the focusing position of camera is determined according to screen position；Otherwise, by camera
Focusing position be determined as it is preset default focusing position or last time focusing position.For example, can be by intelligent terminal
Camera display screen be divided into N × M point screen position, N, M are the integer more than or equal to 1.Each point screen band of position corresponding one
The focusing position of a camera, when starting focusing, screen, processor b20 root are clicked in the position that user can according to need focusing
The screen position that strong point is hit determines focusing position.
Processor b20 can be implemented as each focusing position and the horizontal rotation angle of different laser pulse devices be arranged and hangs down
Direct rotary gyration, the horizontal rotation angle and vertical rotation angle are respectively by the horizontal rotation angle for specifying focusing position to determine
On the basis of vertical rotation angle.It, can be according to the corresponding horizontal rotation of focusing position after obtaining the focusing position of camera
Gyration and vertical rotation angle rotary laser pulse transceiver are sent by laser pulse emission device to the focusing position of camera
Low level laser pulse.
After sending low level laser pulse to the focusing position of camera by laser pulse emission device, laser pulse passes through
The reflection of focusing position reflects back into the laser pulse receiver of intelligent terminal, so that processor b20 is according to sending and receiving
State time computational intelligence terminal between low level laser pulse to the camera focusing position distance, according to intelligent terminal
To the image distance of the distance setting camera of the focusing position of camera, and focus.
In some possible embodiments, in processor b20 according to the distance of the focusing position of intelligent terminal to camera
After completing the image distance of setting camera and being focused, it can be determined that whether receive the suspension shooting instruction or beginning of user's transmission
Shooting instruction.If processor b20 judgement is not affected by suspension shooting or starts shooting instruction, true again according to the click location of user
Determine the focusing position of camera, rotary laser pulse transceiver sends low level laser pulse to bat by laser pulse emission device
Body surface is taken the photograph, to restart laser assisted focusing；If processor b20, which is received, stops shooting instruction or beginning shooting instruction,
It can terminate laser assisted focus process.
As it can be seen that intelligent terminal provided in an embodiment of the present invention can realize different focus by rotary laser pulse transceiver
The laser assisted auto-focusing of position improves the accuracy of the Atomatic focusing method of laser assisted, and can be according to the need of user
Adaptive laser assisted focusing process is carried out with satisfaction, and laser assisted is carried out certainly to plurality of positions to meet user
The demand of dynamic focusing, enhances user experience.
It will be recognized by those of ordinary skill in the art that the possibility implementation of various aspects of the invention or various aspects
It can be embodied as system, method or computer program product.In addition, each aspect of the present invention or various aspects
Possible implementation can use the form of computer program product, and computer program product, which refers to, is stored in computer-readable Jie
Computer readable program code in matter.
Computer-readable medium can be mechanized data medium or computer readable storage medium.Computer can
Read storage medium including but not limited to electronics, magnetism, optics, electromagnetism, infrared or semiconductor system, equipment perhaps device or
It is above-mentioned any appropriately combined, such as random access memory (RAM), read-only memory (ROM), the read-only storage of erasable programmable
Device (EPROM or flash memory), optical fiber, portable read-only memory (CD-ROM).
Processor in computer reads the computer readable program code of storage in computer-readable medium, so that place
Reason device is able to carry out function action specified in the combination of each step or each step in flow charts；It generates and implements in block diagram
Each piece or each piece of combination specified in function action device.
Computer readable program code can execute on the user's computer completely, part is held on the user's computer
Row, as individual software package, partially on the local computer of user and part on the remote computer, or exist completely
It is executed on remote computer or server.It is also noted that in some alternative embodiments, in flow charts each step,
Or each piece of function of indicating may not be occurred by the sequence indicated in figure in block diagram.For example, depending on related function, connect
Even shown in two steps or two blocks may be actually executed substantially concurrently or these blocks sometimes may be by with phase
Reverse-order executes.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, the division of the functional unit is only a kind of
Logical function partition, when specific implementation, may there is other division modes, such as multiple units can be incorporated into the same subsystem
It is realized in system or module, or a unit splits into several units are realized or some realization features can be ignored or not execute.
Detailed Jie has been carried out to a kind of method and apparatus of laser assisted auto-focusing disclosed by the embodiments of the present invention above
It continues, used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only
It is to be used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to this hair
Bright thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (8)
1. a kind of method of laser assisted auto-focusing, which is characterized in that the described method includes:
Laser assisted focus function open command is received, to activate laser assisted focus function；
Camera shooting instruction is received, to start laser assisted focusing；
The horizontal rotation angle and vertical rotation angle that the laser pulse transceiver is determined according to the focusing position of camera, according to
The laser pulse transceiver of the horizontal rotation angle and the vertical rotation angle rotary intelligent terminal built-in is swashed by described
Light pulse emission device sends low level laser pulse to the focusing position of the camera, to start laser assisted focusing, the intelligence
Energy terminal is the horizontal rotation angle and vertical rotation angle that different laser pulse devices is arranged in each focusing position；
The low level laser pulse by reflection is received by the laser pulse receiver, it is according to sending and receiving
Time computational intelligence terminal between low level laser pulse to the camera focusing position distance；
The image distance of camera is set according to the distance of the focusing position of the intelligent terminal to the camera, and is focused.
2. auxiliary to start laser the method according to claim 1, wherein in the reception camera shooting instruction
It helps after focusing, determines the horizontal rotation angle of the laser pulse transceiver and vertical in the focusing position according to camera
Before rotating angle, the method also includes:
Judge whether to receive a screen instruction；
If receiving the point screen instruction, the focusing position of the camera is determined according to the point screen position；Otherwise,
The focusing position of the camera is determined as preset default focusing position or the focusing position of last time.
3. according to the method described in claim 2, it is characterized in that, pair for determining the camera according to point screen position
Burnt position, comprising:
Camera display screen is divided into N × M point screen position, wherein the focusing of the corresponding camera in each point screen position
Position, N, M are the integer more than or equal to 1；
Point screen position is set as to the focusing position of the camera.
4. the method according to claim 1, wherein described according to the intelligent terminal to pair of the camera
The image distance of the distance setting camera of burnt position, and after being focused, the method also includes:
Judge whether to receive and stops shooting instruction or beginning shooting instruction；
Stop shooting instruction if being not received by or start shooting instruction, again according to the focusing position rotary laser pulse of camera
Transceiver sends low level laser pulse to shooting body surface, to start laser assisted focusing by laser pulse emission device；
Stop shooting instruction if receiving or start shooting instruction, end laser assisted focusing stops shooting or starts shooting photograph
Piece.
5. a kind of intelligent terminal characterized by comprising
Receiving unit, for receiving laser assisted focus function open command, to activate laser assisted focus function；
The receiving unit is also used to, and receives camera shooting instruction, to start laser assisted focusing；
Processing unit determines the horizontal rotation angle of the laser pulse transceiver and vertical for the focusing position according to camera
Angle is rotated, is received and dispatched according to the horizontal rotation angle and the laser pulse of the vertical rotation angle rotary intelligent terminal built-in
Device sends low level laser pulse to the focusing position of the camera by the laser pulse emission device, auxiliary to start laser
Focusing is helped, the intelligent terminal is the horizontal rotation angle and vertical rotary that different laser pulse devices is arranged in each focusing position
Angle；
The processing unit is also used to, and receives the low level laser arteries and veins by reflection by the laser pulse receiver
Punching, according to sending and receiving focusing position of the time computational intelligence terminal between the low level laser pulse to the camera
Distance；
The processing unit is also used to, and the picture of camera is arranged according to the distance of the focusing position of the intelligent terminal to the camera
Away from, and focus.
6. equipment according to claim 5, which is characterized in that the receiving unit is also used to: the instruction of receiving point screen；
The processing unit is also used to:
Judge whether the receiving unit receives a screen instruction；
If the receiving unit receives the point screen instruction, the focusing position of the camera is determined according to the point screen position；
Otherwise,
The focusing position of the camera is determined as preset default focusing position or the focusing position of last time.
7. equipment according to claim 6, which is characterized in that the processing unit is specifically used for:
Camera display screen is divided into N × M point screen position, wherein the focusing of the corresponding camera in each point screen position
Position, N, M are the integer more than or equal to 1；
Point screen position is set as to the focusing position of the camera.
8. equipment according to claim 5, which is characterized in that the receiving unit is also used to:
It receives and stops shooting instruction or beginning shooting instruction；
The processing unit is also used to:
Judge whether the receiving unit receives and stops shooting instruction or beginning shooting instruction；
Stop shooting instruction if the receiving unit is not received by or start shooting instruction, again according to the focusing position of camera
Rotary laser pulse transceiver sends low level laser pulse to shooting body surface, to start by laser pulse emission device
Laser assisted focusing；
Stop shooting instruction if the receiving unit receives or start shooting instruction, terminates laser assisted focusing, stop shooting
Or start to shoot photo.
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| CN106027880B (en) * | 2016-05-05 | 2019-07-12 | 广东小天才科技有限公司 | The focusing method and device of a kind of mobile terminal and intelligent wearable equipment |
| US10133026B2 (en) * | 2016-05-22 | 2018-11-20 | Htc Corporation | Control method for camera of handheld electronic device |
| CN106101546B (en) * | 2016-06-30 | 2019-04-05 | Oppo广东移动通信有限公司 | A kind of laser focusing sensor control method, mobile terminal and storage medium |
| CN106054495B (en) * | 2016-07-29 | 2017-07-14 | 广东欧珀移动通信有限公司 | Focusing method, device and electronic equipment |
| WO2018068505A1 (en) * | 2016-10-13 | 2018-04-19 | 华为技术有限公司 | Terminal device, and focusing method and apparatus |
| CN106645082B (en) * | 2016-11-03 | 2020-12-11 | 北京信息科技大学 | Gated fiber Raman spectrometer based on automatic focusing of laser ranging |
| CN111031249B (en) * | 2019-12-26 | 2021-07-13 | 维沃移动通信有限公司 | Auxiliary focusing method and electronic equipment |
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