CN108600461A - A kind of image collecting device and mobile terminal - Google Patents
A kind of image collecting device and mobile terminal Download PDFInfo
- Publication number
- CN108600461A CN108600461A CN201810441920.5A CN201810441920A CN108600461A CN 108600461 A CN108600461 A CN 108600461A CN 201810441920 A CN201810441920 A CN 201810441920A CN 108600461 A CN108600461 A CN 108600461A
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- Prior art keywords
- camera
- collecting device
- image collecting
- image
- laser lamp
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Studio Devices (AREA)
Abstract
A kind of image collecting device of present invention offer and mobile terminal, wherein, described image harvester includes the first camera, second camera and laser lamp, and first camera is for acquiring two dimensional image, and the second camera is for acquiring two dimensional image and 3-D view；First camera is equipped with bilateral optical filter, and the frequency spectrum of the bilateral optical filter includes RGB RGB wave bands and laser wavelength.Technical solution provided in an embodiment of the present invention solves the problems, such as that 2D image collecting devices cannot realize light filling by laser lamp on existing mobile terminal.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of image collecting devices and mobile terminal.
Background technology
With the development of image processing techniques and the progress of the communication technology, three-dimensional (3D) image acquisition technology increasingly at
Ripe, the mobile terminal based on this technology also progresses into public life.3D rendering harvester on existing mobile terminal
To avoid ambient light interference, laser from usually choosing infrared band；And the optical filtering that two-dimentional (2D) image collecting device usually configures
Sector-meeting filters out infrared light, also results in 2D image collecting devices that cannot realize light filling by laser lamp in this way, needs to configure additional
Infrared camera carry out Image Acquisition so that the power consumption of mobile terminal is larger.
Invention content
A kind of image collecting device of offer of the embodiment of the present invention and mobile terminal are schemed with solving 2D on existing mobile terminal
The problem of cannot realizing light filling by laser lamp as harvester.
In a first aspect, an embodiment of the present invention provides a kind of image collecting device, including the first camera, second camera
And laser lamp, first camera is for acquiring two dimensional image, and the second camera is for acquiring two dimensional image and three-dimensional
Image；First camera is equipped with bilateral optical filter, and the frequency spectrum of the bilateral optical filter includes RGB RGB wave bands and laser
Wave band.
Second aspect, the embodiment of the present invention additionally provide a kind of mobile terminal, include the image as described in first aspect
Harvester.
In technical solution provided in an embodiment of the present invention, it includes RGB wave bands and laser wavelength frequency spectrum that the first camera, which is equipped with,
Bilateral optical filter, the bilateral optical filter also can the first camera carry out Image Acquisition when, weaken the infrared of laser lamp
Infrared band in optical band and natural light enters in the imaging sensor of the first camera, improves first camera
The image quality of acquisition.In addition, the setting of bilateral optical filter so that the first camera can realize light filling, nothing by laser lamp
Infrared camera need to be additionally set, and then also just alleviate the hardware cost of image collecting device, also reduce mobile terminal
Power consumption.
Description of the drawings
Fig. 1 is the structure chart that the image collecting device that first embodiment of the invention provides is installed on mobile terminal；
Fig. 2 is the structure chart of the first camera in the image collecting device that Fig. 1 is provided；
Fig. 3 is the spectrum diagram of bilateral optical filter in Fig. 2；
Fig. 4 is that the first camera or second camera are carrying out two dimension with laser lamp in the image collecting device that Fig. 1 is provided
A kind of timing control schematic diagram when Image Acquisition；
Fig. 5 is that the first camera or second camera are carrying out two dimension with laser lamp in the image collecting device that Fig. 1 is provided
Another timing control schematic diagram when Image Acquisition；
Fig. 6 be in the image collecting device that Fig. 1 is provided second camera and laser lamp when carrying out three-dimensional image acquisition
Timing control schematic diagram.
Specific implementation mode
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 describes, 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, those of ordinary skill in the art's acquired every other implementation without creative efforts
Example, shall fall within the protection scope of the present invention.
Fig. 1 to Fig. 3 is please referred to, the embodiment of the present invention provides a kind of image collecting device, and described image harvester includes
First camera 11, second camera 12 and laser lamp 13, first camera 11 is for acquiring two dimensional image, and described second
Camera 12 is for acquiring two dimensional image and 3-D view；First camera 11 is equipped with bilateral optical filter 111, the bilateral
The frequency spectrum of optical filter 111 includes RGB wave bands and laser wavelength.
As shown in Figure 1, the image collecting device that the embodiment of the present invention is provided can be applied on mobile terminal, first
Camera 11, second camera 12 and laser lamp 13 can be the upper ends for being abreast set to mobile terminal, mobile whole to realize
Hold the acquisition to 2D images and 3D rendering.It is to be appreciated that the first camera 11, second camera 12 and laser lamp 13 can be with
It is to be installed on mobile terminal with other layout type, does not limit again.
It should be noted that first camera 11 and the second camera 12 are by swashing when acquiring image
Light lamp 13 carry out light filling, laser lamp 13 choose infrared band to avoid ambient light to second camera 12 acquire 3D rendering when
Interference.In the embodiment of the present invention, first camera 11 is equipped with the bilateral optical filter for including RGB wave bands and laser wavelength frequency spectrum
111, the bilateral optical filter 111 also can weaken the infrared light of laser lamp 13 when the first camera 11 carries out Image Acquisition
Infrared band in wave band and natural light enters in the imaging sensor of the first camera 11, avoids first camera 11
The image frame of acquisition is partially red, improves the image quality that first camera 11 acquires.In addition, the bilateral optical filter
111 setting so that first camera 11 can realize light filling by laser lamp 13, without additional setting infrared photography
Head, and then the hardware cost of image collecting device is also just alleviated, also reduce the power consumption of mobile terminal.
It is to be appreciated that acquiring 2D images by the first camera 11 compared to traditional, the embodiment of the present invention may be used also
To realize the acquisition to 2D images by second camera 12 so that user can have selectivity.In addition, second camera
12 can also realize the acquisition to 3D rendering, that is to say, that the second camera 12 can acquire 2D images, moreover it is possible to acquire 3D
Image.Described image harvester is acted on by the light filling of laser lamp 13, can realize the acquisition to 2D images and 3D rendering simultaneously,
Improve the application range of image collecting device.
Optionally, the laser wavelength is the wave band more than 940nm.It is to be appreciated that containing more rich in natural light
Infrared light, and the wavelength for the infrared light that laser lamp 13 is sent out is typically two kinds of 850nm and 940nm, in first camera 11
Imaging sensor be easy because causing the image frame of acquisition partially red to infrared photosensitive.It is described in the embodiment of the present invention
The laser wavelength of bilateral optical filter 111 is the wave band more than 940nm, in this way, also allowing for the bilateral optical filter 111 can be right
Infrared light in natural light and laser lamp 13 has preferable weakening effect, and then infrared light is avoided to enter imaging sensor, really
Having protected the image that first camera 11 acquires has preferable image quality.
Optionally, the bandwidth of the laser wavelength is less than 10nm.Bandwidth is the breadth of spectrum line of laser wavelength, the laser wave
The bandwidth of section is less than 10nm, that is to say, that and the interval kept between the bit of the laser transfer of the laser lamp 13 is less than 10nm,
To prevent the infrared light of its all band in natural light from entering imaging sensor.
In the embodiment of the present invention, two dimensional image acquisition is carried out in first camera 11 or the second camera 12
When, the laser lamp 13 can take different timing control modes.Fig. 4 is please referred to, in one embodiment, the laser
Lamp 13 in first camera 11 or the second camera 12 for being in two dimensional image gatherer process, described first
It is kept it turning in the period of the shutter of camera 11 or the shutter opening of second camera 12.That is, described first
When camera 11 carries out 2D Image Acquisition, the timing control of the laser lamp 13 can be the shutter opening in the first camera 11
The a periods in keep it turning on the b periods, when the shutter close of first camera 11, then the laser lamp 13 is not turned on；Or
Person, when the second camera 12 carries out 2D Image Acquisition, the timing control of the laser lamp 13 can be in the second camera shooting
The b periods are kept it turning in a periods of first 12 shutter opening, when the shutter close of the second camera 12, then the laser
Lamp 13 is not turned on.In this way so that laser lamp 13 can need the period being exposed to be opened again, more save mobile whole
The power consumption at end.
Fig. 5 is please referred to, in another embodiment, the laser lamp 13 is used in first camera 11 or described
Second camera 12 carries out keeping lasting unlatching when two dimensional image acquisition.That is, the laser lamp 13 can be described
One camera 11 or the second camera 12 carry out keeping lasting unlatching when two dimensional image acquisition.For example, being moved when user starts
When moving the first camera 11 or second camera 12 in terminal, the laser lamp 13, which is realized, to be opened；Under current state, described
One camera 11 or the second camera 12 can be starting state, but and not actuated shutter；And when first camera shooting
When the shutter of first 11 shutter or the second camera 12 is opened within a periods, the laser lamp 13 is constantly in opening state
State.In this way, light filling can be played the role of always by also allowing for the laser lamp 13, facilitate user before acquiring image by shutter
To the control of image quality.
In the embodiment of the present invention, the laser lamp 13 is used for real when the second camera 12 carries out three-dimensional image acquisition
Existing pulsed light emissions.That is, when the second camera 12 carries out 3D rendering acquisition, the sequential control of the laser lamp 13
It is made as realizing according to certain time interval and shine.
Optionally, the second camera 12 is TOF (Time of Flight, flight time) camera.TOF cameras
Principle be to send out modulated near infrared light in imaging sensor, encounter object back reflection, imaging sensor, which passes through, calculates light
Line transmitting and launch time difference or phase difference, come the distance for the subject that converts, to obtain depth information.It needs to illustrate
It is that the second camera 12 can also be the camera that 3D rendering acquisition is realized based on other technologies.
Specifically, please referring to Fig. 6, when carrying out three-dimensional image acquisition, the laser lamp 13 passes through pulsed light emissions, TOF
Camera coordinates the timing control of the laser lamp 13 to be exposed.Wherein, S0 is that shutter is opened and closed with optical pulse synchronization
The energy that scene hypograph sensor receives；S1 is that shutter connects in light pulse turn-off transient synchronization unlatching scene hypograph sensor
The energy of receipts；Td is that laser emits from laser lamp 13, is reflected to body surface is irradiated to, enters back into 12 mistake of second camera
The time spent in journey；Tp is a pulse period of the laser lamp 13；When impulse approximation is square wave, energy is in the time
It is equally distributed on domain.Therefore, energy and the correspondence of time are as follows：
Td/Tp=S1/ (S1+S0)
In turn, following depth calculation formula can be obtained：
D=S1*Tp*c/2 (S1+S0)
Wherein, in formula as above, d is depth, and c is the light velocity of laser.In this way, also can the second camera 12 into
When row 3D rendering acquires, the depth information of image is got.
Optionally, first camera 11 is RGB (Red, Green, Blue, reddish yellow are blue) camera.That is, institute
It is the camera using rgb color pattern to state the first camera 11, can be obtained respectively by the superposition of red, yellow, blue three colors
The color of formula various kinds.It should be noted that first camera 11 can also be realizes 2D images based on other color modes
The camera of acquisition.
Image collecting device provided in an embodiment of the present invention is provided simultaneously with the function of 2D Image Acquisition and 3D rendering acquisition,
Such as second camera can be the functions such as recognition of face, unlocking screen, the payment applied to mobile terminal.It needs to illustrate
It is that application of the described image harvester in recognition of face can replace with 2D image recognitions after 3D rendering recognition failures,
Or 2D image recognitions are first carried out, 3D feature point extractions are carried out again after recognition failures；Or be identified simultaneously using 2D and 3D,
To improve safety.
The embodiment of the present invention also provides a kind of mobile terminal, and the mobile terminal includes image collector as described above
It sets.Since the technical solution of the present embodiment contains whole technical solutions of above-mentioned image collecting device embodiment, at least
The whole technique effects that can realize above-mentioned image collecting device embodiment, no longer repeat one by one herein.
More than, specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (9)
1. a kind of image collecting device, which is characterized in that including the first camera, second camera and laser lamp, described first
Camera is for acquiring two dimensional image, and the second camera is for acquiring two dimensional image and 3-D view；First camera shooting
Head is equipped with bilateral optical filter, and the frequency spectrum of the bilateral optical filter includes RGB RGB wave bands and laser wavelength.
2. image collecting device according to claim 1, which is characterized in that the laser wavelength is the wave more than 940nm
Section.
3. image collecting device according to claim 1, which is characterized in that the bandwidth of the laser wavelength is less than 10nm.
4. image collecting device according to claim 1, which is characterized in that the laser lamp is used in first camera shooting
Head or the second camera are in two dimensional image gatherer process, in the shutter or second camera of first camera
It is kept it turning in the period of shutter opening.
5. image collecting device according to claim 1, which is characterized in that the laser lamp is used in first camera shooting
Head or the second camera carry out keeping lasting unlatching when two dimensional image acquisition.
6. image collecting device according to claim 1, which is characterized in that the laser lamp is used in second camera shooting
Head carries out realizing pulsed light emissions when three-dimensional image acquisition.
7. image collecting device according to claim 1, which is characterized in that the second camera is flight time TOF
Camera.
8. image collecting device according to claim 1, which is characterized in that first camera is RGB cameras.
9. a kind of mobile terminal, which is characterized in that including image collecting device such as described in any item of the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441920.5A CN108600461A (en) | 2018-05-10 | 2018-05-10 | A kind of image collecting device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441920.5A CN108600461A (en) | 2018-05-10 | 2018-05-10 | A kind of image collecting device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
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| CN108600461A true CN108600461A (en) | 2018-09-28 |
Family
ID=63636810
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| CN201810441920.5A Pending CN108600461A (en) | 2018-05-10 | 2018-05-10 | A kind of image collecting device and mobile terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109475034A (en) * | 2018-11-19 | 2019-03-15 | 维沃移动通信有限公司 | A kind of laser lamp control method, device and mobile terminal |
| CN109561207A (en) * | 2018-11-16 | 2019-04-02 | Oppo广东移动通信有限公司 | The control method of electronic device and electronic device |
| CN110062081A (en) * | 2019-05-21 | 2019-07-26 | 江西晶阳光电科技有限公司 | A kind of pair is taken the photograph phase port lid glass sheet and its production method |
| CN112822360A (en) * | 2020-12-30 | 2021-05-18 | 西安电子科技大学 | Deep sea video shooting and wireless transmission integrated system |
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| CN106470311A (en) * | 2015-08-21 | 2017-03-01 | 高准精密工业股份有限公司 | Shooting and illuminator |
| CN107222593A (en) * | 2017-05-31 | 2017-09-29 | 广东欧珀移动通信有限公司 | The CCD camera assembly and electronic equipment of electronic equipment |
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| CN202887451U (en) * | 2012-10-26 | 2013-04-17 | 青岛海信网络科技股份有限公司 | Infrared light and visible light filling blended electronic police system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561207A (en) * | 2018-11-16 | 2019-04-02 | Oppo广东移动通信有限公司 | The control method of electronic device and electronic device |
| CN109475034A (en) * | 2018-11-19 | 2019-03-15 | 维沃移动通信有限公司 | A kind of laser lamp control method, device and mobile terminal |
| CN109475034B (en) * | 2018-11-19 | 2020-04-17 | 维沃移动通信有限公司 | Laser lamp control method and device and mobile terminal |
| CN110062081A (en) * | 2019-05-21 | 2019-07-26 | 江西晶阳光电科技有限公司 | A kind of pair is taken the photograph phase port lid glass sheet and its production method |
| CN112822360A (en) * | 2020-12-30 | 2021-05-18 | 西安电子科技大学 | Deep sea video shooting and wireless transmission integrated system |
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Application publication date: 20180928 |