CN110022425A - A kind of camera system and image capturing method - Google Patents
A kind of camera system and image capturing method Download PDFInfo
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- CN110022425A CN110022425A CN201910226536.8A CN201910226536A CN110022425A CN 110022425 A CN110022425 A CN 110022425A CN 201910226536 A CN201910226536 A CN 201910226536A CN 110022425 A CN110022425 A CN 110022425A
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- image
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/53—Control of the integration time
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- Studio Devices (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
The present invention relates to optical technical field, a kind of camera system and image capturing method are provided, comprising: auxiliary circuit, the first lens group, Amici prism, the second lens group, N lens group and N-1 camera mould group, N are the positive integer not less than 3；First lens group receives the reflection light of object to be shot, and reflection light is divided into the road N-1 light after being irradiated to Amici prism；Second lens group and N lens group for receiving the road N-1 light respectively；N-1 camera mould group penetrates the road the N-1 light of the second lens group and N lens group for receiving respectively, and starts to carry out Image Acquisition to object to be shot after the acquisition instructions for receiving auxiliary circuit.The light that object to be shot reflects in the camera system is split after prism is divided into multichannel light, is radiated in different camera mould groups respectively.There can be multiple groups camera to treat bat object after starting shooting to be shot, to improve the frame per second of shooting in the case where guaranteeing high-resolution.
Description
Technical field
The present invention relates to optical technical field more particularly to a kind of camera systems and image capturing method.
Background technique
Increasingly developed with science and technology, industrial on-line checking, military defense project are related to measurement etc. on fields for camera
The requirement of high speed acquisition and camera resolution is also higher and higher.There is certain technology in China in the design and manufacture of image sensor chip
Basis, for example, Chang Guangchen core company have been provided with a variety of frame frequencies, resolution ratio cmos image sensing chip custom design and life
Production capacity power, while the mechanisms such as research institute and company have accumulated certain experiences in optic-mechanical design and electronic system design, technology is real
The intellectual property protection of power combination this patent makes the realization of high frame frequency, resolution camera have extremely strong practicality.
China has certain technological accumulation in the design and fabrication technology of the image sensor chips such as CMOS at present, such as long light occasion
Core has the commercialization of the image sensor chips such as GMAX2505, GMAX0505, production domesticization etc. and obtains certain achievement, uses
Using above-mentioned sensing chip as core can realize black and white/colour camera module frame frequency up to 150 frame per second~250 frames, or it is higher
Frame frequency, while the resolution ratio of such product can achieve the resolution ratio such as 1K*1K.But domestic camera properties are also existing far from meeting
Demand, this respect are higher for foreign matter equipment and material degree of dependence, especially compel to high speed cameras demands such as 500 frame per second, 1000 frames
It cuts.
Summary of the invention
In view of the above problems, the invention proposes a kind of camera system and image capturing methods, to solve in the prior art
The problem of user demand is not achieved in shooting image phase machine acquisition speed and resolution ratio.
The purpose of the present invention can be realized by following technical measures:
First aspect of the embodiment of the present invention provides a kind of camera system, and the camera system includes: auxiliary circuit, first
Lens group, Amici prism, the second lens group, N lens group and N-1 camera mould group, N are the positive integer not less than 3；
Wherein, first lens group is used to receive the reflection light of object to be shot, and the reflection light is irradiated to institute
It is divided into the road N-1 light after stating Amici prism；
Second lens group and N lens group for receiving the road N-1 light respectively；
The N-1 camera mould group for receiving the road the N-1 light through second lens group and N lens group respectively
Line, and start to carry out Image Acquisition to object to be shot after the acquisition instructions for receiving the auxiliary circuit.
Optionally, the camera system further includes N-1 storage equipment, the N-1 storage equipment respectively with the N-1
A camera mould group is correspondingly connected with, for storing N-1 camera mould group acquired image respectively.
Optionally, first lens are rented, include one or more lens in the second lens group and N lens group.
Optionally, the auxiliary circuit sends acquisition instructions to N-1 camera mould group respectively according to specified time interval.
Optionally, the specified time interval includes 4ms.
It optionally, include cmos image sensor or ccd image sensor in the camera mould group.
Second aspect of the embodiment of the present invention provides a kind of image capturing method, is applied to shooting described in any of the above embodiments
In system, comprising:
After the reflection light of object to be shot is irradiated to the first lens group, it is divided into multichannel light by Amici prism；
After detecting that the multichannel light is respectively radiated to N-1 camera mould group, from auxiliary circuit respectively to the N-1
A camera mould group sends acquisition instructions, to indicate that the N-1 camera mould group starts the image of acquisition object to be shot；
Wherein, the multichannel light is respectively radiated in the second lens group to N lens group, and passes through second lens
Group to N lens are respectively radiated in the N-1 camera mould group, and N is the positive integer not less than 3.
Optionally, described image image pickup method further include:
The image of acquisition is stored respectively to N-1 after the N-1 camera mould group acquisition object to be shot image and is stored
In equipment.
Optionally, after storing the image of acquisition respectively into N-1 storage equipment, comprising:
Auxiliary circuit, by storage order, successively reads stored image from N-1 storage equipment, to obtain according to image
Obtain the image data in continuous time.
Optionally, which is characterized in that the auxiliary circuit is sent out to N-1 camera mould group respectively according to specified time interval
Send acquisition instructions.
Compared with prior art, the light prism that is split that the present invention provides object to be shot reflection in camera system is divided into
After multichannel light, it is radiated in different camera mould groups respectively.After starting shooting, there can be multiple groups camera pair in the same time
Object to be clapped is shot, to improve the frame per second of shooting in the case where guaranteeing high-resolution.
Detailed description of the invention
Fig. 1 is the overall structure diagram of camera system provided in an embodiment of the present invention；
Fig. 2 is different cameral mould group record different time points image information schematic diagram provided in an embodiment of the present invention.
Wherein, 1, object to be shot；2, the first lens group；3, Amici prism；4, the second lens group；5, N lens group, 6,
Auxiliary circuit.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation
Invention is further described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
In order to keep the narration of this disclosure more detailed with it is complete, below for embodiments of the present invention and specific real
It applies example and proposes illustrative description；But this not implements or uses the unique forms of the specific embodiment of the invention.Embodiment
In cover multiple specific embodiments feature and to construction with operate these specific embodiments method and step it is suitable with it
Sequence.However, can also reach identical or impartial function and sequence of steps using other specific embodiments.
Referring to Fig. 1, including object to be shot 1, the first lens group 2, Amici prism in camera system provided by the present application
3, the second lens group 4, N lens group 5, auxiliary circuit 6, N-1 camera mould group and storage corresponding with N-1 camera mould group
Further storage equipment also can be set in above-mentioned auxiliary circuit 6 in equipment, to store the image data of auxiliary circuit reading.
Wherein, N is the positive integer more than or equal to 3.I.e. when N is equal to 3, there are two camera mould groups and two to store for camera system
Equipment is corresponding with two camera mould groups respectively.
Wherein, the first lens group 1 is used to receive the reflection light of object to be shot, and the reflection light is irradiated to described point
It is divided into the road N-1 light after light prism 3；
Second lens group 4 and N lens group for receiving the road N-1 light respectively；
The N-1 camera mould group for receiving the road the N-1 light through second lens group 4 and N lens group 5 respectively
Line, and start to carry out Image Acquisition to object to be shot after the acquisition instructions for receiving the auxiliary circuit 6.
Further, the camera system further includes N-1 storage equipment, the N-1 storage equipment respectively with it is described
N-1 camera mould group is correspondingly connected with, for storing N-1 camera mould group acquired image respectively.
Optionally, it includes one or more saturating that first lens, which are rented in the 2, second lens group 4 and N lens group 5,
Mirror.
Optionally, the auxiliary circuit 6 sends acquisition to N-1 camera mould group respectively according to specified time interval and refers to
It enables.
Optionally, the specified time interval includes 4ms.
It optionally, include cmos image sensor or ccd image sensor in the camera mould group.
It is specifically described so that N is equal to three as an example below:
Camera system provided by the present application includes: optical system, is made of lens and Amici prism, and core devices are light splitting
The picture of object is divided into 2 tunnels using the optical system, the same picture of object is projected 2 camera mould groups by prism, every in this way
Same image all can be obtained in a camera mould group.If 1 tunnel image light path is copied into 2 tunnels, then original frame frequency is the phase of 250 frame per second
Machine mould group can form the camera system for recording 500 frame per second by this structures and methods；If 1 road image is copied into 4 tunnels then
Original frame frequency multiplied by 4, and so on.Such as: use the GMAX2505 image sensor chip of Chang Guangchen core company to be made of core
1 tunnel image light path is copied into 2 using this structure by the black and white of resolution ratio 1K*1K, frame frequency 250 frame per second/color camera mould group
Road, then by herein described method, become the camera system that can recorde 500 frame image per second.
Further include camera mould group, with the imaging sensors such as CMOS, CCD (such as Chang Guangchen core company GMAX2505,
GMAX0505 etc.) it is that the camera mould group of core receives and can start and collect image after enabling signal, and after image is stored in
The storage equipment (memory as shown in figure 1) at end.Memory, the corresponding memory in each camera mould group rear end, for storing
The image data that camera mould group is sent, memory can be integrated with camera mould group, and can be read by external interface,
Such as Cameralink, Ethernet interface, serial ports, optical fiber interface.Acquisition control circuit, which is sent with different moments starts
Different at the time of signal makes different cameral mould group start to acquire image, this allows for the different cameral mould group in the time later
Record the image data (as shown in Figure 2) of different moments.It after Image Acquisition finishes, sequentially recycles, each acquisition control circuit
A frame image is read out of each memory, and is stored in the memory in acquisition control circuit.Consecutive hours can be restored in this way
Interior image data.Acquisition control circuit can choose FPGA etc. as core devices, so that the starting of camera mould group
Time can be as accurate as within 10ns (FPGA of many series can be even lower to 5ns by time restriction).
The light that the present invention provides object to be shot reflection in camera system is split after prism is divided into multichannel light, respectively
It is radiated in different camera mould groups.There can be multiple groups camera to treat bat object after starting shooting, in the same time to be clapped
It takes the photograph, to improve the frame per second of shooting in the case where guaranteeing high-resolution.
Embodiment two
The embodiment of the invention also provides a kind of image capturing methods, are applied to camera system described in any of the above embodiments
In, comprising:
After the reflection light of object to be shot is irradiated to the first lens group, it is divided into multichannel light by Amici prism；
After detecting that the multichannel light is respectively radiated to N-1 camera mould group, from auxiliary circuit respectively to the N-1
A camera mould group sends acquisition instructions, to indicate that the N-1 camera mould group starts the image of acquisition object to be shot；
Wherein, the multichannel light is respectively radiated in the second lens group to N lens group, and passes through second lens
Group to N lens are respectively radiated in the N-1 camera mould group, and N is the positive integer not less than 3.
Optionally, described image image pickup method further include:
The image of acquisition is stored respectively to N-1 after the N-1 camera mould group acquisition object to be shot image and is stored
In equipment.
Optionally, after storing the image of acquisition respectively into N-1 storage equipment, comprising:
Auxiliary circuit, by storage order, successively reads stored image from N-1 storage equipment, to obtain according to image
Obtain the image data in continuous time.
Optionally, which is characterized in that the auxiliary circuit is sent out to N-1 camera mould group respectively according to specified time interval
Send acquisition instructions.
Below by taking N=3 as an example, illustrate the process that Image Acquisition is carried out by above-mentioned camera system.
As shown in connection with fig. 2, when using the image of above-mentioned camera system acquisition object to be shot, auxiliary circuit is at the moment 1
It sends signal and makes No. 1 camera mould group starting acquisition image, auxiliary circuit sends signal at the moment 2 and No. 2 camera startings are adopted
Collect image.If original camera mould group 250 frame of frame frequency per second, and have 2 camera mould groups in system, then moment 1 and moment 2 it
Between time interval T meet: 1 second/250=4ms of T <, preferably: 2*T=1 seconds/250=4ms.Auxiliary circuit can choose
FPGA etc. is used as core devices, can be as accurate as within 10ns that (FPGA of many series can the starting time of such camera mould group
With time restriction is even lower to 5ns).Record the image data at moment 1 by No. 1 camera mould group, the image data at moment 2
It is recorded by No. 2 camera mould groups, if this optical system replicates 2 road images and has 2 camera mould groups simultaneously, the image at moment 3 is by 1
Number cameras record, the image at moment 4 are recorded by No. 2 camera mould groups, are so recycled, as shown in Figure 2.Image Acquisition finishes, if
This optical system, which replicates 2 tunnel image light paths, has 2 camera mould groups so simultaneously: the memory storage moment 1 of No. 1 camera mould group,
3, the image data at the moment such as 5,7；The image data at the moment such as the memory storage moment 2,4,6,8 of No. 2 camera mould groups.By
The above process, auxiliary circuit No. 1 one frame image of memory of reading are primary, and image data is stored in the storage in auxiliary circuit
Device, this results in the image datas at moment 1；Then it is primary to read No. 2 one frame images of memory for auxiliary circuit, and by picture number
According to the memory in deposit auxiliary circuit, the image data at moment 2 has thus been obtained；Continue to read No. 1 one frame figure of memory
As 1 time, the image data at moment 3 is thus obtained, so circulation and so on, has obtained continuous picture number in this period
According to.
The light that the present invention provides object to be shot reflection in camera system is split after prism is divided into multichannel light, respectively
It is radiated in different camera mould groups.There can be multiple groups camera to treat bat object after starting shooting, in the same time to be clapped
It takes the photograph, to improve the frame per second of shooting in the case where guaranteeing high-resolution.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of camera system, which is characterized in that the camera system include: auxiliary circuit, the first lens group, Amici prism,
Second lens group, N lens group and N-1 camera mould group, N are the positive integer not less than 3；
Wherein, first lens group is used to receive the reflection light of object to be shot, and the reflection light is irradiated to described point
It is divided into the road N-1 light after light prism；
Second lens group and N lens group for receiving the road N-1 light respectively；
The N-1 camera mould group penetrates the road the N-1 light of second lens group and N lens group for receiving respectively, and
Start to carry out Image Acquisition to object to be shot after the acquisition instructions for receiving the auxiliary circuit.
2. camera system as described in claim 1, which is characterized in that the camera system further includes N-1 storage equipment, institute
It states N-1 storage equipment to be correspondingly connected with the N-1 camera mould group respectively, be adopted for storing N-1 camera mould group respectively
The image of collection.
3. camera system as described in claim 1, which is characterized in that first lens are rented, the second lens group and N are saturating
It include one or more lens in microscope group.
4. camera system as described in claim 1, which is characterized in that the auxiliary circuit is distinguished according to specified time interval
Acquisition instructions are sent to N-1 camera mould group.
5. camera system as claimed in claim 4, which is characterized in that the specified time interval includes 4ms.
6. camera system as described in any one in claim 1-5, which is characterized in that include cmos image in the camera mould group
Sensor or ccd image sensor.
7. a kind of image capturing method, which is characterized in that it is applied in camera system as claimed in any one of claims 1 to 6,
Include:
After the reflection light of object to be shot is irradiated to the first lens group, it is divided into multichannel light by Amici prism；
After detecting that the multichannel light is respectively radiated to N-1 camera mould group, from auxiliary circuit respectively to the N-1 phase
Machine mould group sends acquisition instructions, to indicate that the N-1 camera mould group starts the image of acquisition object to be shot；
Wherein, the multichannel light is respectively radiated in the second lens group to N lens group, and extremely by second lens group
N lens are respectively radiated in the N-1 camera mould group, and N is the positive integer not less than 3.
8. image capturing method as claimed in claim 7, which is characterized in that described image image pickup method further include:
The image of acquisition is stored respectively to N-1 storage equipment after the N-1 camera mould group acquisition object to be shot image
In.
9. image capturing method as claimed in claim 8, which is characterized in that stored respectively by the image of acquisition to N-1
After storing in equipment, comprising:
Auxiliary circuit, by storage order, successively reads stored image from N-1 storage equipment, to be connected according to image
Image data in the continuous time.
10. such as the described in any item image capturing methods of claim 7-9, which is characterized in that the auxiliary circuit is according to specified
Time interval send acquisition instructions to N-1 camera mould group respectively.
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|---|---|---|---|---|
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| CN107749953A (en) * | 2017-11-17 | 2018-03-02 | 嘉兴学院 | A kind of double camera image based on binocular lens tube increases frequency device and control method |
| CN108810335A (en) * | 2017-05-05 | 2018-11-13 | 西安中科飞图光电科技有限公司 | High-speed image sampling device and its control sequential design method |
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2019
- 2019-03-25 CN CN201910226536.8A patent/CN110022425A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006081089A (en) * | 2004-09-13 | 2006-03-23 | Canon Inc | Imaging device |
| CN105959521A (en) * | 2016-05-31 | 2016-09-21 | 中国科学院长春光学精密机械与物理研究所 | Method and system for improving image frame frequency based on double-camera system light-splitting imaging |
| CN108810335A (en) * | 2017-05-05 | 2018-11-13 | 西安中科飞图光电科技有限公司 | High-speed image sampling device and its control sequential design method |
| CN107749953A (en) * | 2017-11-17 | 2018-03-02 | 嘉兴学院 | A kind of double camera image based on binocular lens tube increases frequency device and control method |
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