CN107819983B - A kind of method and mobile terminal acquiring optical imagery - Google Patents
A kind of method and mobile terminal acquiring optical imagery Download PDFInfo
- Publication number
- CN107819983B CN107819983B CN201711001943.6A CN201711001943A CN107819983B CN 107819983 B CN107819983 B CN 107819983B CN 201711001943 A CN201711001943 A CN 201711001943A CN 107819983 B CN107819983 B CN 107819983B
- Authority
- CN
- China
- Prior art keywords
- light emitting
- emitting source
- tof camera
- mobile terminal
- optical imagery
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The present invention provides a kind of method and mobile terminal for acquiring optical imagery, the mobile terminal includes flight time TOF camera, first light emitting source and the second light emitting source, first light emitting source is greater than distance of second light emitting source relative to the TOF camera relative to the distance of the TOF camera, when first light emitting source and the second light emitting source start, the TOF camera acquires optical imagery corresponding with target object, the optical imagery is that the light issued based on first light emitting source and second light emitting source is formed by image by surface reflection to the TOF camera of the target object.The present invention can be avoided generation detecting optical path dead zone when acquiring optical imagery, improve the success rate of acquisition optical imagery and the quality of optical imagery.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of methods and mobile terminal for acquiring optical imagery.
Background technique
It is well known that the full frame design in order to realize mobile terminal, improves screen accounting, needs to delete fingerprint device.In
After fingerprint device is deleted, generallys use 3D camera and carry out closely capturing image.As shown in Figure 1, due to existing camera shooting
In the TOF Technology design of head, at a distance from the first light emitting source 102 farther out, TOF camera 101 has a light to TOF camera 101
Source receiving area A, the first light emitting source 102 has a light emitting area B, due to light source receiving area A and light emitting area B
Between there is a blind area C, therefore have the phenomenon that " detecting optical path dead zone " when short distance captures image, cause to acquire optical picture
The success rate of picture is lower.
Summary of the invention
The embodiment of the present invention provides a kind of method and mobile terminal for acquiring optical imagery, to solve acquisition optical imagery
The lower problem of success rate.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows: mobile terminal includes flight time TOF camera shooting
Head, the first light emitting source and the second light emitting source, first light emitting source are greater than described second relative to the distance of the TOF camera
Distance of the light emitting source relative to the TOF camera, when first light emitting source and the starting of the second light emitting source, the TOF is taken the photograph
As head acquisition optical imagery corresponding with target object, the optical imagery is based on first light emitting source and second hair
The light that light source issues is formed by image by surface reflection to the TOF camera of the target object.
In a first aspect, the embodiment of the invention provides a kind of mobile terminal, including flight time TOF camera, the first hair
Light source and the second light emitting source, first light emitting source are greater than the second light emitting source phase relative to the distance of the TOF camera
For the distance of the TOF camera, when first light emitting source and the starting of the second light emitting source, the TOF camera acquisition
Optical imagery corresponding with target object, the optical imagery are issued based on first light emitting source and second light emitting source
Light be formed by image by surface reflection to the TOF camera of the target object.
Second aspect, the embodiment of the invention also provides a kind of methods for acquiring optical imagery, are applied to mobile terminal, institute
Stating mobile terminal includes flight time TOF camera, the first light emitting source and the second light emitting source, and first light emitting source is relative to institute
The distance for stating TOF camera is greater than distance of second light emitting source relative to the TOF camera, which comprises
Start first light emitting source and second light emitting source；
Optical imagery corresponding with target object is acquired by the TOF camera, the optical imagery is based on described
The light that first light emitting source and second light emitting source issue is by the surface reflection of the target object to the TOF camera
It is formed by image.
The third aspect, the embodiment of the invention also provides a kind of mobile terminals, comprising:
One or more processors；
Memory；And
One or more computer programs, wherein one or more of computer programs are stored in the memory
In, and be configured to be executed by one or more of processors, the computer program, which is performed, realizes above-mentioned acquisition
Step in the method for optical imagery.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
The step of program, the computer program realizes the method for above-mentioned acquisition optical imagery when being executed by processor.
In this way, due to increasing by the second light emitting source near TOF camera, and when first light emitting source and second shine
When source starts, the TOF camera acquires optical imagery corresponding with target object, and the optical imagery is based on described first
The light that light emitting source and second light emitting source issue is by the surface reflection of the target object to TOF camera institute shape
At image.The present invention can be avoided generation detecting optical path dead zone, improve acquisition optical imagery when acquiring optical imagery
The quality of success rate and optical imagery.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of mobile terminal in the prior art
Fig. 2 is one of the structure chart of mobile terminal provided in an embodiment of the present invention；
Fig. 3 is the two of the structure chart of mobile terminal provided in an embodiment of the present invention；
Fig. 4 is the structure chart of the method for acquisition optical imagery provided in an embodiment of the present invention；
Fig. 5 is the three of the structure chart of mobile terminal provided in an embodiment of the present invention.
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 described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig. 2 to Fig. 3, the embodiment of the invention provides a kind of mobile terminal, which includes flight time TOF
Camera 101, the first light emitting source 102 and the second light emitting source 103, control module (not shown), wherein the first light emitting source 102
Distance relative to the TOF camera 101 be greater than second light emitting source 103 relative to the TOF camera 101 away from
From, when first light emitting source 102 and the starting of the second light emitting source 103, the acquisition of TOF camera 101 and target object pair
The optical imagery answered, the optical imagery are the light issued based on first light emitting source 102 and second light emitting source 103
Image is formed by by surface reflection to the TOF camera of the target object.
In the embodiment of the present invention, above-mentioned first light emitting source is in existing TOF mould group for take pictures focusing and face is swept
The control light source retouched, specifically, as shown in Fig. 2, TOF mould group includes TOF camera 101, the first light emitting source 102 and control of taking pictures
Module 104, wherein the TOF camera has cmos sensor, and control module of taking pictures includes AFE AFE(analog front end) and pulse generation
Device, the impulse generator send corresponding the first light emitting source of timing control 102 and cmos sensor, and 102 He of the first light emitting source
The timing synchronization of cmos sensor after the light that the first light emitting source 102 issues projects, encounters the object of different distance, and light will
The time that cmos sensor can be reflected into is different, by time or phase signal, calculates subject surface to TOF
The distance of camera.
Above-mentioned second light emitting source 103 is the light source newly increased, is not used in the optical phase time change for calculating TOF, mainly
Used to capture images, visible light or black light light emitting source be can be, it is (maximum allowable not need accurate synchronously control
100ms delay below).Such as second light emitting source 103 can be infraluminescence light source, can be array micro LED,
Can be discrete light source, can choose the receiving sensor (i.e. cmos sensor) of same adaptation TOF camera 940nm or
850nm light source.
Above-mentioned first light emitting source, can be used laser/infrared LED, usually 940nm light source or 850nm light source.
When carrying out optical image acquisition, it can control the first light emitting source and the second light emitting source while shining, to pass through
TOF camera captures neighbouring picture, and the light of the sending of the first light emitting source 102 and the second light emitting source 103 at this time is by external
It after object blocks, is reflected, the light of reflection will be captured by TOF camera, to form optical imagery.
In this way, due to increasing the second light emitting source 103, first light emitting source and the second hair near TOF camera 101
When light source starts, the TOF camera 101 acquires optical imagery corresponding with target object.The present invention is in acquisition optical imagery
When, it can be avoided generation detecting optical path dead zone, improve the success rate of acquisition optical imagery and the quality of optical imagery.
Further, the condition that above-mentioned second light emitting source 103 starts can be configured according to actual needs, in this implementation
In example, when the distance between the target object and the TOF camera 101 are less than preset value, second light emitting source 103
Starting.
In the present embodiment, it can be detected between target object and TOF camera 101 by the first light emitting source 102 of starting
Distance, when the distance between the target object and the TOF camera 101 are less than preset value, i.e., target object is located at upper
When stating in detecting optical path dead zone, start the second light emitting source 103, the first light emitting source 102 and second is captured by TOF camera 101
Light of the light emitting source 103 by target object reflection obtains corresponding optical imagery.
Wherein the type of above-mentioned optical imagery can be configured according to actual needs, with the optical picture in following embodiment
As be optical fingerprint image for be described in detail:
Specifically, the size of above-mentioned preset value can be configured according to actual needs, it is not further herein to be limited.
For example, when opening TOF camera and the first light emitting source 102 progress object detecting, if finger is placed on camera by user, control
It makes the second light emitting source 103 to shine, to capture neighbouring picture by TOF camera, the first light emitting source 102 and second is sent out at this time
The light of the sending of light source 103 is reflected after the user's finger is blocked, and the light of reflection will be by TOF camera
It captures, to form optical imagery.When the optical imagery for getting TOF shooting, then the acquisition operation of fingerprint is completed, it then can be with
Carry out subsequent fingerprint recognition operation.
In order to avoid waste of energy, after the TOF camera 101 collects the optical imagery, described second is sent out
Light source 103 is closed.
In the present embodiment, when above-mentioned optical imagery is optical fingerprint image, it can also refer to collecting correct optics
Print image just carries out the closing of the second light emitting source 103.Avoiding user from repeatedly carrying out fingerprint recognition causes the second light emitting source 103 in short-term
Interior multiple unlatching and relationship influence the service life of the second light emitting source 103.
Specifically, the fingerprint extracted in the optical imagery is special if TOF camera 101 collects the optical imagery
Sign；If the fingerprint characteristic matches with the fingerprint characteristic prestored, second light emitting source 103 is closed.
The above-mentioned fingerprint characteristic prestored is for carrying out matched standard fingerprint characteristic, such as user can typing be simultaneously first
Fingerprint characteristic is stored, specifically, may include the fingerprint characteristic of one or more finger.In subsequent progress fingerprint recognition,
The fingerprint characteristic that will acquire is matched with the fingerprint characteristic prestored, if matching degree reaches preset value, then it is assumed that and the two matches,
Then the operation such as subsequent operation, such as unlocked by fingerprint can be executed.
In the present embodiment, after reading optical imagery, the fingerprint characteristic in optical imagery can be extracted, then
The fingerprint characteristic of extraction is matched with the fingerprint characteristic prestored, when the two match, the second light emitting source is closed in control
103, so that user, which needs repeatedly to carry out fingerprint input operation, causes the second light emitting source 103 to exist when avoiding fingerprint recognition unsuccessful
It is repeatedly opened in short time, to influence the service life of the second light emitting source.
Further, the quantity of above-mentioned second light emitting source 103 can be one or more, in the present embodiment, above-mentioned the
Two light emitting sources 103 at least two, and the surrounding of the TOF camera is set.Preferably, the quantity of second light emitting source
It is two, two second light emitting sources are located at the two sides of the TOF camera.In the present embodiment, for guarantee light
Uniformity, each second light emitting source 103 is equal with the distance between the TOF camera 101.Such as multiple second hairs
Light source 103 can be evenly distributed on the TOF camera 101 as on the same circumference in the center of circle.
Specifically, above-mentioned mobile terminal further includes cover board and the glass panel 105 on the cover board, the TOF is taken the photograph
As head 101 is arranged towards the glass panel 105.
Above-mentioned cover board is the positive cover board of mobile terminal, such as mobile phone front cover board in the present embodiment, on the cover board may be used
It is passed through with opening up hole compatible with TOF camera 101 for TOF camera 101.Specifically, the second light emitting source 103 is mounted on lid
On plate, in order to guarantee most of light of the second light emitting source in 105 internal reflection of glass panel, the second light emitting source 103 and the glass
The fitting of glass panel 105 or second light emitting source 103 are in the cover board.
Further, referring to Fig. 4, the embodiment of the invention also provides a kind of method for acquiring optical imagery, it is applied to move
Dynamic terminal, the mobile terminal includes TOF camera, the first light emitting source and the second light emitting source, and the first light emitting source is relative to described
The distance of TOF camera is greater than distance of second light emitting source relative to the TOF camera, which comprises
Step 401, start first light emitting source and second light emitting source；
Step 402, optical imagery corresponding with target object is acquired by the TOF camera, the optical imagery is
The light issued based on first light emitting source and second light emitting source is by the surface reflection of the target object to described
TOF camera is formed by image.
The method of acquisition optical imagery provided in an embodiment of the present invention is applied in full frame mobile terminal, for being controlled
Acquisition for mobile terminal user fingerprints.
Wherein, above-mentioned first light emitting source is the control light in existing TOF mould group for take pictures focusing and human face scanning
Source, specifically, as shown in Fig. 2, TOF mould group includes TOF camera 101, the first light emitting source 102 and control module 104 of taking pictures,
In, which has cmos sensor, and control module of taking pictures includes AFE AFE(analog front end) and impulse generator, pulse hair
Raw device sends corresponding the first light emitting source of timing control 102 and cmos sensor, and the first light emitting source 102 and cmos sensor
Timing synchronization encounters the object of different distance, light will be reflected into CMOS after the light that the first light emitting source 102 issues projects
Time of sensor is different, by time or phase signal, calculate subject surface to TOF camera away from
From.
Above-mentioned second light emitting source is the light source newly increased, is not used in the optical phase time change for calculating TOF, is mainly used for
Capture image, can be visible light or black light light emitting source, do not need accurate synchronously control (maximum allowable 100ms with
Under delay).Such as second light emitting source can be infraluminescence light source, can be array micro LED, be also possible to discrete
Light source can choose 940nm the 850nm light source of the receiving sensor (i.e. cmos sensor) of same adaptation TOF camera.
Above-mentioned first light emitting source, can be used laser/infrared LED, usually 940nm light source or 850nm light source.
When carrying out optical image acquisition, it can control the first light emitting source and the second light emitting source while shining, to pass through
TOF camera captures neighbouring picture, and the light of the sending of the first light emitting source and the second light emitting source hides by exterior object at this time
It after gear, is reflected, the light of reflection will be captured by TOF camera, to form optical imagery.
In this way, due to increasing by the second light emitting source near TOF camera, first light emitting source and the second light emitting source are opened
When dynamic, the TOF camera acquires optical imagery corresponding with target object.The present invention can be kept away when acquiring optical imagery
Exempt to generate detecting optical path dead zone, improves the success rate of acquisition optical imagery and the quality of optical imagery.
Further, the condition of above-mentioned second light emitting source starting can be configured according to actual needs, in the present embodiment
In, above-mentioned steps 401 include:
Step 4011, the first light emitting source of starting detecting target object is at a distance from the TOF camera；
Step 4012, when the distance between the target object and the TOF camera are less than preset value, described in starting
Second light emitting source.
In the present embodiment, the distance between target object and TOF camera can be detected by the first light emitting source of starting, when
When the distance between the target object and the TOF camera are less than preset value, i.e., target object is located at above-mentioned detecting optical path
When in dead zone, start the second light emitting source, it is anti-by target object to capture the first light emitting source and the second light emitting source by TOF camera
The light penetrated obtains corresponding optical imagery.
Wherein the type of above-mentioned optical imagery can be configured according to actual needs, with the optical picture in following embodiment
As be optical fingerprint image for be described in detail:
Specifically, the size of above-mentioned preset value can be configured according to actual needs, it is not further herein to be limited.
For example, when opening TOF camera and the first light emitting source progress object detecting, if finger is placed on camera by user, control
Second light emitting source shines, thus by TOF camera capture near picture, the hair of the first light emitting source and the second light emitting source at this time
Light out is reflected after the user's finger is blocked, and the light of reflection will be captured by TOF camera, thus shape
At optical imagery.When the optical imagery for reading TOF shooting, then the acquisition operation of fingerprint is completed, then can be carried out subsequent
Fingerprint recognition operation.
Further, in order to avoid waste of energy, after above-mentioned steps 402, this method further include:
Step 403, it after the TOF camera collects the optical imagery, controls second light emitting source and closes.
In the present embodiment, when above-mentioned optical imagery is optical fingerprint image, it can also refer to collecting correct optics
Print image just carries out the second light emitting source closing.Avoiding user from repeatedly carrying out fingerprint recognition causes the second light emitting source more in a short time
Secondary unlatching and relationship influence the service life of the second light emitting source.
Specifically, extracting the fingerprint characteristic in the optical imagery if TOF camera collects the optical imagery；
If the fingerprint characteristic matches with the fingerprint characteristic prestored, second light emitting source is closed.
The above-mentioned fingerprint characteristic prestored is for carrying out matched standard fingerprint characteristic, such as user can typing be simultaneously first
Fingerprint characteristic is stored, specifically, may include the fingerprint characteristic of one or more finger.In subsequent progress fingerprint recognition,
The fingerprint characteristic that will acquire is matched with the fingerprint characteristic prestored, if matching degree reaches preset value, then it is assumed that and the two matches,
Then the operation such as subsequent operation, such as unlocked by fingerprint can be executed.
In the present embodiment, after reading optical imagery, the fingerprint characteristic in optical imagery can be extracted, then
The fingerprint characteristic of extraction is matched with the fingerprint characteristic prestored, when the two match, the second light emitting source is closed in control, from
And when avoiding fingerprint recognition unsuccessful, user, which needs repeatedly to carry out fingerprint input operation, causes the second light emitting source more in a short time
Secondary unlatching, to influence the service life of the second light emitting source.
Further, the quantity of above-mentioned second light emitting source can be one or more, in the present embodiment, above-mentioned second hair
Light source at least two, and the surrounding of the TOF camera is set.Preferably, the quantity of second light emitting source is two,
Two second light emitting sources are located at the two sides of the TOF camera.In the present embodiment, for guarantee light it is uniform
Property, each second light emitting source is equal with the distance between the TOF camera.Such as multiple second light emitting sources can be uniform
It is distributed in using the TOF camera as on the same circumference in the center of circle.
Specifically, above-mentioned mobile terminal further includes cover board and the glass panel on the cover board, the TOF camera
It is arranged towards the glass panel.
Above-mentioned cover board is the positive cover board of mobile terminal, such as mobile phone front cover board in the present embodiment, on the cover board may be used
It is passed through with opening up hole compatible with TOF camera for TOF camera.Specifically, the installation of the second light emitting source is on the cover board, in order to
Guaranteeing most of light of the second light emitting source in glass panel internal reflection, the second light emitting source is bonded with the glass panel, or
Second light emitting source is in the cover board.
A kind of hardware structural diagram of Fig. 5 mobile terminal of each embodiment to realize the present invention.
The mobile terminal 500 includes but is not limited to: radio frequency unit 501, network module 502, audio output unit 503, defeated
Enter unit 504, sensor 505, display unit 506, user input unit 507, interface unit 508, memory 509, processor
510, the components such as power supply 511, TOF camera, the first light emitting source and second light emitting source, first light emitting source is relative to described
The distance of TOF camera is greater than distance of second light emitting source relative to the TOF camera.Those skilled in the art can be with
Understand, mobile terminal structure shown in Fig. 5 does not constitute the restriction to mobile terminal, and mobile terminal may include than illustrating more
More or less component perhaps combines certain components or different component layouts.In embodiments of the present invention, mobile terminal
Including but not limited to mobile phone, tablet computer, laptop, palm PC, car-mounted terminal, wearable device and pedometer
Deng.
Processor 510, for starting first light emitting source and second light emitting source；It is adopted by the TOF camera
Collect optical imagery corresponding with target object, the optical imagery is sent out based on first light emitting source and second light emitting source
Light out is formed by image by surface reflection to the TOF camera of the target object.
Optionally, processor 510 be specifically used for starting the first light emitting source detecting target object and the TOF camera away from
From；When the distance between the target object and the TOF camera are less than preset value, start second light emitting source.
Optionally, processor 510 is also used to after the TOF camera collects the optical imagery, controls described the
Two light emitting sources are closed.
Optionally, the quantity at least two of second light emitting source, and the surrounding of the TOF camera is set.
Optionally, the quantity of second light emitting source is two, and two second light emitting sources are located at the TOF and take the photograph
As the two sides of head.
Optionally, each second light emitting source is equal with the distance between the TOF camera.
Optionally, the mobile terminal further includes cover board and the glass panel on the cover board, the TOF camera
It is arranged towards the glass panel, second light emitting source is set on the cover board, second light emitting source and the glass surface
Plate fitting or second light emitting source are in the cover board.
In this way, due to increasing by the second light emitting source near TOF camera, and work as the TOF camera and target object
The distance between when being less than preset value, control second light emitting source and shine, to read the optical picture that the TOF camera is formed
Picture.The present invention can be avoided generation detecting optical path dead zone, improve the success rate of acquisition optical imagery when acquiring optical imagery
And the quality of optical imagery.
It should be understood that the embodiment of the present invention in, radio frequency unit 501 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 510 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 501 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 501 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal provides wireless broadband internet by network module 502 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 503 can be received by radio frequency unit 501 or network module 502 or in memory 509
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 503 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 500 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 503 includes loudspeaker, buzzer and receiver etc..
Input unit 504 is for receiving audio or video signal.Input unit 504 may include graphics processor
(Graphics Processing Unit, GPU) 5041 and microphone 5042, graphics processor 5041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 506.Through graphics processor 5041, treated that picture frame can be deposited
Storage is sent in memory 509 (or other storage mediums) or via radio frequency unit 501 or network module 502.Mike
Wind 5042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 501 is converted in the case where telephone calling model.
Mobile terminal 500 further includes at least one sensor 505, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 5061, and proximity sensor can close when mobile terminal 500 is moved in one's ear
Display panel 5061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 505 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 506 is for showing information input by user or being supplied to the information of user.Display unit 506 can wrap
Display panel 5061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 5061.
User input unit 507 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 507 include touch panel 5071 and
Other input equipments 5072.Touch panel 5071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 5071 or in touch panel 5071
Neighbouring operation).Touch panel 5071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 510, receiving area
It manages the order that device 510 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 5071.In addition to touch panel 5071, user input unit 507 can also include other input equipments
5072.Specifically, other input equipments 5072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 5071 can be covered on display panel 5061, when touch panel 5071 is detected at it
On or near touch operation after, send processor 510 to determine the type of touch event, be followed by subsequent processing device 510 according to touching
The type for touching event provides corresponding visual output on display panel 5061.Although in Fig. 5, touch panel 5071 and display
Panel 5061 is the function that outputs and inputs of realizing mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 5071 and display panel 5061 and realize the function that outputs and inputs of mobile terminal, it is specific this
Place is without limitation.
Interface unit 508 is the interface that external device (ED) is connect with mobile terminal 500.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 508 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in mobile terminal 500 or can be used in 500 He of mobile terminal
Data are transmitted between external device (ED).
Memory 509 can be used for storing software program and various data.Memory 509 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 509 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 510 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 509, and calls and is stored in storage
Data in device 509 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 510 may include one or more processing units；Preferably, processor 510 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 510.
Mobile terminal 500 can also include the power supply 511 (such as battery) powered to all parts, it is preferred that power supply 511
Can be logically contiguous by power-supply management system and processor 510, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 500 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 510, and memory 509 is stored in
On memory 509 and the computer program that can run on the processor 510, the computer program are executed by processor 510
Each process of the embodiment of the method for the above-mentioned acquisition optical imagery of Shi Shixian, and identical technical effect can be reached, to avoid weight
Multiple, which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each mistake of the embodiment of the method for above-mentioned acquisition optical imagery when being executed by processor
Journey, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer-readable storage medium
Matter, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access
Memory, abbreviation RAM), magnetic or disk etc..
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needs
Purpose.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (16)
1. a kind of mobile terminal, which is characterized in that including flight time TOF camera, the first light emitting source and the second light emitting source, institute
It states the first light emitting source and is greater than second light emitting source relative to the TOF camera relative to the distance of the TOF camera
Distance, when first light emitting source and the starting of the second light emitting source, the TOF camera acquires optics corresponding with target object
Image, the optical imagery are that the light issued based on first light emitting source and second light emitting source passes through the object
The surface reflection of body to the TOF camera is formed by image.
2. mobile terminal according to claim 1, which is characterized in that when the target object and the TOF camera it
Between distance when being less than preset value, second light emitting source starting.
3. mobile terminal according to claim 1, after the TOF camera collects the optical imagery, described
Two light emitting sources are closed.
4. mobile terminal according to claim 1, which is characterized in that the quantity at least two of second light emitting source,
And the surrounding of the TOF camera is set.
5. mobile terminal according to claim 4, which is characterized in that the quantity of second light emitting source is two, two
Second light emitting source is located at the two sides of the TOF camera.
6. mobile terminal according to claim 4, which is characterized in that each second light emitting source and the TOF are imaged
The distance between head is equal.
7. mobile terminal according to claim 1, which is characterized in that the mobile terminal further includes cover board and is set to described
Glass panel on cover board, the TOF camera are arranged towards the glass panel, and second light emitting source is set to the cover board
On, second light emitting source is bonded with the glass panel or second light emitting source is in the cover board.
8. a kind of method for acquiring optical imagery, is applied to mobile terminal, which is characterized in that when the mobile terminal includes flight
Between TOF camera, the first light emitting source and the second light emitting source, first light emitting source is big relative to the distance of the TOF camera
In distance of second light emitting source relative to the TOF camera, which comprises
Start first light emitting source and second light emitting source；
Optical imagery corresponding with target object is acquired by the TOF camera, the optical imagery is based on described first
The light that light emitting source and second light emitting source issue is by the surface reflection of the target object to TOF camera institute shape
At image.
9. according to the method described in claim 8, it is characterized in that, the starting first light emitting source and described second shines
Source includes:
Start the first light emitting source detecting target object at a distance from the TOF camera；
When the distance between the target object and the TOF camera are less than preset value, start second light emitting source.
10. according to the method described in claim 8, it is characterized in that, described pass through TOF camera acquisition and target object
After the step of corresponding optical imagery, the method also includes:
After the TOF camera collects the optical imagery, controls second light emitting source and close.
11. according to the method described in claim 8, it is characterized in that, the quantity at least two of second light emitting source, and setting
Set the surrounding in the TOF camera.
12. according to the method for claim 11, which is characterized in that the quantity of second light emitting source is two, two institutes
State the two sides that the second light emitting source is located at the TOF camera.
13. according to the method for claim 11, which is characterized in that each second light emitting source and the TOF camera
The distance between it is equal.
14. according to the method described in claim 8, it is characterized in that, the mobile terminal further include cover board and be set to the lid
Glass panel on plate, the TOF camera are arranged towards the glass panel, and second light emitting source is set to the cover board
On, second light emitting source is bonded with the glass panel or second light emitting source is in the cover board.
15. a kind of mobile terminal, comprising:
One or more processors；
Memory；And
One or more computer programs, wherein one or more of computer programs are stored in the memory, and
And it is configured to be executed by one or more of processors, which is characterized in that the computer program is performed realization power
Benefit requires to acquire the step in the method for optical imagery described in any one of 8-14.
16. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method of acquisition optical imagery described in any one of claim 8-14 is realized when being executed by processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711001943.6A CN107819983B (en) | 2017-10-24 | 2017-10-24 | A kind of method and mobile terminal acquiring optical imagery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711001943.6A CN107819983B (en) | 2017-10-24 | 2017-10-24 | A kind of method and mobile terminal acquiring optical imagery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107819983A CN107819983A (en) | 2018-03-20 |
| CN107819983B true CN107819983B (en) | 2019-10-29 |
Family
ID=61607529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711001943.6A Active CN107819983B (en) | 2017-10-24 | 2017-10-24 | A kind of method and mobile terminal acquiring optical imagery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107819983B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109726537A (en) * | 2018-12-27 | 2019-05-07 | 维沃移动通信有限公司 | Information acquisition method and terminal |
| CN111796295B (en) * | 2020-06-04 | 2023-12-12 | 深圳奥锐达科技有限公司 | Collector, manufacturing method of collector and distance measuring system |
| WO2021258343A1 (en) * | 2020-06-24 | 2021-12-30 | 深圳市汇顶科技股份有限公司 | Lighting and light spot image data acquisition method and apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361315A (en) * | 2014-10-27 | 2015-02-18 | 浙江工业大学 | 3D (three-dimensional) fingerprint recognition device based on monocular and multi-view stereoscopic machine vision |
| CN106127134A (en) * | 2016-06-20 | 2016-11-16 | 联想(北京)有限公司 | Optical devices, electronic equipment and control method thereof |
| CN106127172A (en) * | 2016-06-29 | 2016-11-16 | 东莞市中控电子技术有限公司 | A kind of device and method of noncontact 3D fingerprint collecting |
| CN206460476U (en) * | 2016-09-26 | 2017-09-01 | 金佶科技股份有限公司 | The encapsulating structure of fingeprint distinguisher |
| CN107193412A (en) * | 2017-04-27 | 2017-09-22 | 广东欧珀移动通信有限公司 | Display screen, display device and mobile terminal |
| CN107231461A (en) * | 2017-05-03 | 2017-10-03 | 广东欧珀移动通信有限公司 | The acquisition method and Related product of fingerprint |
-
2017
- 2017-10-24 CN CN201711001943.6A patent/CN107819983B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361315A (en) * | 2014-10-27 | 2015-02-18 | 浙江工业大学 | 3D (three-dimensional) fingerprint recognition device based on monocular and multi-view stereoscopic machine vision |
| CN106127134A (en) * | 2016-06-20 | 2016-11-16 | 联想(北京)有限公司 | Optical devices, electronic equipment and control method thereof |
| CN106127172A (en) * | 2016-06-29 | 2016-11-16 | 东莞市中控电子技术有限公司 | A kind of device and method of noncontact 3D fingerprint collecting |
| CN206460476U (en) * | 2016-09-26 | 2017-09-01 | 金佶科技股份有限公司 | The encapsulating structure of fingeprint distinguisher |
| CN107193412A (en) * | 2017-04-27 | 2017-09-22 | 广东欧珀移动通信有限公司 | Display screen, display device and mobile terminal |
| CN107231461A (en) * | 2017-05-03 | 2017-10-03 | 广东欧珀移动通信有限公司 | The acquisition method and Related product of fingerprint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107819983A (en) | 2018-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109381165A (en) | A kind of skin detecting method and mobile terminal | |
| CN109600550A (en) | A kind of shooting reminding method and terminal device | |
| CN109005336A (en) | A kind of image capturing method and terminal device | |
| CN109743498A (en) | A kind of shooting parameter adjustment method and terminal device | |
| CN108989672A (en) | A kind of image pickup method and mobile terminal | |
| CN108594942A (en) | A kind of personal identification method and mobile terminal | |
| CN107819983B (en) | A kind of method and mobile terminal acquiring optical imagery | |
| CN108960179A (en) | A kind of image processing method and mobile terminal | |
| CN108229420A (en) | A kind of face identification method, mobile terminal | |
| CN108881544A (en) | A kind of method taken pictures and mobile terminal | |
| CN108307110A (en) | A kind of image weakening method and mobile terminal | |
| CN109033913A (en) | A kind of recognition methods of identification code and mobile terminal | |
| CN109544172A (en) | A kind of display methods and terminal device | |
| CN109525837A (en) | The generation method and mobile terminal of image | |
| CN109033912A (en) | A kind of recognition methods of identification code and mobile terminal | |
| CN108881782A (en) | A kind of video call method and terminal device | |
| CN109063620A (en) | A kind of personal identification method and terminal device | |
| CN109639981A (en) | A kind of image capturing method and mobile terminal | |
| CN109858447A (en) | A kind of information processing method and terminal | |
| CN107800968B (en) | A kind of image pickup method and mobile terminal | |
| CN108932505A (en) | A kind of image processing method and electronic equipment | |
| CN109274957A (en) | A kind of depth image image pickup method and mobile terminal | |
| CN110517034A (en) | A kind of object identifying method and mobile terminal | |
| CN109358913A (en) | A kind of the starting method and terminal device of application program | |
| CN110519443A (en) | A kind of bright screen method and mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |