CN206820840U - A kind of depth camera of composite light source - Google Patents
A kind of depth camera of composite light source Download PDFInfo
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- CN206820840U CN206820840U CN201720395694.2U CN201720395694U CN206820840U CN 206820840 U CN206820840 U CN 206820840U CN 201720395694 U CN201720395694 U CN 201720395694U CN 206820840 U CN206820840 U CN 206820840U
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- light source
- tof
- light
- imaging sensor
- depth
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Abstract
The utility model provides a kind of depth camera of composite light source, including a structured light light source, a TOF light sources, PCB, imaging sensor, object lens, shutter；Described structured light light source, TOF light sources, imaging sensor electrically connect with described PCB；Described shutter electrically connects with described imaging sensor；Press the shutter, described structured light light source launches light source to exterior object respectively with described TOF light sources, the exterior object image information being reflected back is passed to described imaging sensor by described object lens, resolved respectively by described PCB and the deep image information of fusion structure radiant and TOF light sources, described PCB transmit the deep image information after fusion to outside display end.The utility model structure light source and TOF light source advantages, realize that a kind of flight pixel is few, multipath noise is low, the dense depth camera system of image uniform.The utility model is novel in design, is bold in innovation, practical, is easy to promote.
Description
Technical field
It the utility model is related to depth camera, and in particular to a kind of depth camera of composite light source.
Background technology
With the development of science and technology, depth camera progressively comes into people's vision measurement and detection, depth camera extensively should at present
Used in static models 3-D scanning, dynamic model identification and matching in.But traditional depth camera is single light source, such as structure
Light source, TOF light sources, laser scanning, but structure light source is excessively sensitive to target shooting angle, and TOF light sources are led because of dispersion effect
Cause has more flight pixel to need to remove, and Laser Scanning Equipment is expensive, bulky, it has not been convenient to which people use.
Utility model content
The purpose of this utility model is to overcome problem above existing for prior art, there is provided a kind of depth of composite light source
Camera, integrated structure light source and TOF light source advantages, realize that a kind of flight pixel is few, multipath noise is low, the dense depth of image uniform
Spend camera system.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions：
A kind of depth camera of composite light source, including camera body；Described camera body includes a structured light light source, one
TOF light sources, PCB, imaging sensor, object lens, shutter；Described structured light light source, TOF light sources, imaging sensor with
Described PCB electrical connection；Described shutter electrically connects with described imaging sensor；The shutter is pressed, it is described
Structured light light source launches light source to exterior object respectively with described TOF light sources, and the exterior object image information being reflected back passes through
Described object lens are passed to described imaging sensor, resolved respectively by described PCB and fusion structure radiant with
The deep image information of TOF light sources, described PCB transmit the deep image information after fusion to outside display end.
Further, described camera body also includes optical filter；Described object lens, optical filter, imaging sensor are located at
In same light path.
Further, described optical filter is between described object lens and described imaging sensor.
Further, described optical filter filtering infrared light.
Further, described PCB includes a processor, data storage, data transmission link；Described place
Reason device is electrically connected with described data storage by described data transmission link；Depth is provided with described processor to resolve
Device；Described depth solver resolves the two kinds of depth maps obtained by described structured light light source and described TOF light sources, profit
Two kinds of depth maps are merged with data fusion, the depth map information after fusion is stored in described data storage, is led to
Described data transmission link is crossed to transmit depth map information in described data storage to outside display end.
Further, described PCB also includes an amplifying circuit；Described amplifying circuit includes controller, opened
Close triode, signal amplifier, bandpass filter, optical transmitting set；Described controller sends signal, passes through described switch three
Pole pipe amplified signal voltage, by described signal amplifier amplified signal electric current, by described bandpass filter to amplification
Signal shaping afterwards, the signal after shaping are transmitted to optical transmitting set；Described optical transmitting set and described structured light light source, TOF
Light source connects.
Further, described structured light light source and the described symmetrical distribution of TOF light sources.
Further, described structured light light source and described TOF light sources distribution symmetrical above and below.
The beneficial effects of the utility model are:The utility model provides a kind of depth camera of composite light source, including a knot
Structure radiant, a TOF light sources, PCB, imaging sensor, object lens, shutter；Described structured light light source, TOF light sources, figure
As sensor electrically connects with described PCB；Described shutter electrically connects with described imaging sensor；Press described fast
Door, described structured light light source launch light source to exterior object respectively with described TOF light sources, the exterior object image being reflected back
Information is passed to described imaging sensor by described object lens, and simultaneously fusion structure is resolved respectively by described PCB
The deep image information of radiant and TOF light sources, described PCB transmit the deep image information after fusion to outside
Display end.The utility model structure light source and TOF light source advantages, realize that a kind of flight pixel is few, multipath noise is low, image uniform
Dense depth camera system.The utility model is novel in design, is bold in innovation, practical, is easy to promote.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.Specific embodiment of the present utility model is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is a kind of depth camera schematic diagram of composite light source of the present utility model；
Fig. 2 is a kind of depth camera internal structure schematic diagram of composite light source of the present utility model；
Fig. 3 is a kind of depth camera image-forming principle flow chart of composite light source of the present utility model；
Fig. 4 is a kind of depth camera amplifying circuit signal flow graph of composite light source of the present utility model；
Fig. 5 is a kind of depth camera filtering and amplifying circuit schematic diagram of composite light source of the present utility model；
Label declaration in figure：Camera body 10, object lens 1, structured light light source 2, TOF light sources 3.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
Shown in reference picture 1-5, a kind of depth camera of composite light source, as shown in figure 1, the depth phase for a kind of composite light source
Machine structural representation, reference picture 2, including camera body 10, described camera body 10 include a structured light light source 2, a TOF light
Source 3, PCB, imaging sensor, object lens 1, shutter；Described structured light light source 2, TOF light sources 3, imaging sensor and institute
The PCB electrical connection stated；Described shutter electrically connects with described imaging sensor；Press the shutter, described knot
Structure radiant 2 launches light source to exterior object respectively with described TOF light sources 3, and the exterior object image information being reflected back passes through
Described object lens 1 are passed to described imaging sensor, resolved respectively by described PCB and fusion structure radiant with
The deep image information of TOF light sources, described PCB transmit the deep image information after fusion to outside display end.
Preferably, in one embodiment, described camera body 10 also includes optical filter；Described object lens 1, optical filter, image sensing
Device is located in same light path, and described optical filter is between described object lens and described imaging sensor, described optical filtering
Piece filtering infrared light, the wave band outside near infrared spectrum is filtered out.
Preferably, as shown in Fig. 2 described PCB includes a processor, data storage, data transmission link；
Described processor is electrically connected with described data storage by described data transmission link；It is provided with described processor
Depth solver；Described depth solver resolves two obtained by described structured light light source 2 and described TOF light sources 3
Two kinds of depth maps are merged by kind depth map using data fusion, and the depth map information after fusion is stored in described data
In memory, depth map information in described data storage is transmitted to outside by described data transmission link and shown
End.As shown in figure 3, imaging sensor is unidirectionally connected on the processor of pcb board, processor is bidirectionally coupled to data storage
On, data storage (being specially DDR cachings) is connected to external interface (USB etc.) by bus transfer, is connected by external interface
It is connected on outside display end.
Preferably, in one embodiment, as shown in Figure 4, Figure 5, described PCB also includes an amplifying circuit；Institute
The amplifying circuit stated includes controller, switch triode, signal amplifier, bandpass filter, optical transmitting set；Described controller
Signal is sent, by described switch triode amplified signal voltage, by described signal amplifier amplified signal electric current, is led to
Described bandpass filter is crossed to the signal shaping after amplification, the signal after shaping is transmitted to optical transmitting set；Described light transmitting
Device is connected with described structured light light source 2, TOF light sources 3.
Preferably, as shown in figure, described structured light light source 2 and described 3 symmetrical distribution of TOF light sources.Another
(not shown) in one embodiment, described structured light light source 2 and described 3 distribution symmetrical above and below of TOF light sources, it will be appreciated that institute
The structured light light source 2 stated and the distribution of described TOF light sources 3 depend on arrangements of cameras, should not be limited only to left and right or symmetrical above and below
Distribution, should also be symmetrical etc. including camera inner ring outer ring.
The infrared image in space can be caught using composite light source, imaging sensor is connect using two ways
The data of receipts carry out depth map resolving, recycle data anastomosing algorithm, and the depth map of two kinds of generations is merged, and are using knot
When the laser speckle principle of structure light is to resolve depth map, due to energy concentration and, production more sensitive to the shooting angle of target
There is less flight pixel and multipath noise in raw depth map；And the depth map image based on TOF principles is denser, but
Due to dispersion effect and multipath noise, more flight pixel be present needs to remove, and combines both advantages using composite light source, effectively
Remove flight pixel and repair object edge pixel.
The utility model provides a kind of depth camera of composite light source, including a structured light light source, a TOF light sources, PCB electricity
Road plate, imaging sensor, object lens, shutter；Described structured light light source, TOF light sources, imaging sensor and described PCB circuits
Plate electrically connects；Described shutter electrically connects with described imaging sensor；Press the shutter, described structured light light source and institute
The TOF light sources stated launch light source to exterior object respectively, and the exterior object image information being reflected back is passed to by described object lens
Described imaging sensor, resolve the depth map of simultaneously fusion structure radiant and TOF light sources respectively by described PCB
As information, described PCB transmits the deep image information after fusion to outside display end.The utility model structure light
Source and TOF light source advantages, realize that a kind of flight pixel is few, multipath noise is low, the dense depth camera system of image uniform.This reality
It is novel with new design, it is bold in innovation, it is practical, it is easy to promote.
It is described above, preferred embodiment only of the present utility model, not the utility model is made any formal
Limitation；The those of ordinary skill of all industry can be shown in by specification accompanying drawing and described above and swimmingly implement this practicality
It is new；But all those skilled in the art are not being departed from the range of technical solutions of the utility model, are taken off more than
The technology contents shown and the equivalent variations of a little variation, modification and evolution made, are equivalent embodiment of the present utility model；
Meanwhile the change of all any equivalent variations made according to substantial technological of the present utility model to above example, modify and drill
Become etc., still fall within the protection domain of the technical solution of the utility model.
Claims (8)
1. a kind of depth camera of composite light source, including camera body, it is characterised in that：Described camera body includes a structure
Radiant, a TOF light sources, PCB, imaging sensor, object lens, shutter；Described structured light light source, TOF light sources, image
Sensor electrically connects with described PCB；Described shutter electrically connects with described imaging sensor；Press described fast
Door, described structured light light source launch light source to exterior object respectively with described TOF light sources, the exterior object image being reflected back
Information is passed to described imaging sensor by described object lens, and simultaneously fusion structure is resolved respectively by described PCB
The deep image information of radiant and TOF light sources, described PCB transmit the deep image information after fusion to outside
Display end.
A kind of 2. depth camera of composite light source according to claim 1, it is characterised in that：Described camera body also wraps
Include optical filter；Described object lens, optical filter, imaging sensor are located in same light path.
A kind of 3. depth camera of composite light source according to claim 2, it is characterised in that：Described optical filter is located at institute
Between the object lens and described imaging sensor stated.
A kind of 4. depth camera of composite light source according to claim 2, it is characterised in that：Described optical filter filtering is red
Outer light.
A kind of 5. depth camera of composite light source according to claim 1, it is characterised in that：Described PCB bag
Include a processor, data storage, data transmission link；Described processor passes through described number with described data storage
Electrically connected according to transmission line；Depth solver is provided with described processor；Described depth solver is resolved by described
Two kinds of depth maps are merged, melted by two kinds of depth maps that structured light light source obtains with described TOF light sources using data fusion
Depth map information after conjunction is stored in described data storage, is deposited described data by described data transmission link
Depth map information is transmitted to outside display end in reservoir.
A kind of 6. depth camera of composite light source according to claim 5, it is characterised in that：Described PCB is also
Including an amplifying circuit；Described amplifying circuit includes controller, switch triode, signal amplifier, bandpass filter, light hair
Emitter；Described controller sends signal, by described switch triode amplified signal voltage, is amplified by described signal
Device amplified signal electric current, by described bandpass filter to the signal shaping after amplification, the signal after shaping, which is transmitted to light, to be sent out
Emitter；Described optical transmitting set is connected with described structured light light source, TOF light sources.
7. according to a kind of depth camera of one of them described composite light source of claim 1 to 6, it is characterised in that：Described
Structured light light source and the described symmetrical distribution of TOF light sources.
8. according to a kind of depth camera of one of them described composite light source of claim 1 to 6, it is characterised in that：Described
Structured light light source and described TOF light sources distribution symmetrical above and below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395694.2U CN206820840U (en) | 2017-04-14 | 2017-04-14 | A kind of depth camera of composite light source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395694.2U CN206820840U (en) | 2017-04-14 | 2017-04-14 | A kind of depth camera of composite light source |
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| CN206820840U true CN206820840U (en) | 2017-12-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456379A (en) * | 2019-07-12 | 2019-11-15 | 深圳奥比中光科技有限公司 | The depth measurement device and distance measurement method of fusion |
| CN110855961A (en) * | 2018-08-20 | 2020-02-28 | 奇景光电股份有限公司 | Depth sensing device and operation method thereof |
| CN112824934A (en) * | 2019-11-20 | 2021-05-21 | 深圳市光鉴科技有限公司 | TOF multi-path interference removal method, system, equipment and medium based on modulated light field |
-
2017
- 2017-04-14 CN CN201720395694.2U patent/CN206820840U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855961A (en) * | 2018-08-20 | 2020-02-28 | 奇景光电股份有限公司 | Depth sensing device and operation method thereof |
| CN110456379A (en) * | 2019-07-12 | 2019-11-15 | 深圳奥比中光科技有限公司 | The depth measurement device and distance measurement method of fusion |
| CN112824934A (en) * | 2019-11-20 | 2021-05-21 | 深圳市光鉴科技有限公司 | TOF multi-path interference removal method, system, equipment and medium based on modulated light field |
| CN112824934B (en) * | 2019-11-20 | 2024-05-07 | 深圳市光鉴科技有限公司 | TOF multipath interference removal method, system, equipment and medium based on modulated light field |
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Address after: 323000 room 303-5, block B, building 1, No. 268, Shiniu Road, nanmingshan street, Liandu District, Lishui City, Zhejiang Province Patentee after: Zhejiang Guangpo Intelligent Technology Co., Ltd Address before: Hangzhou City, Zhejiang province 310030 Xihu District three Town Shi Xiang Road No. 859 Zijin and building 3 building 1301-1 room Patentee before: HANGZHOU GENIUS PROS TECHNOLOGY Co.,Ltd. |
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