CN109302567A - Camera image low latency synchronization system and image low latency synchronous method - Google Patents
Camera image low latency synchronization system and image low latency synchronous method Download PDFInfo
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- CN109302567A CN109302567A CN201710611705.0A CN201710611705A CN109302567A CN 109302567 A CN109302567 A CN 109302567A CN 201710611705 A CN201710611705 A CN 201710611705A CN 109302567 A CN109302567 A CN 109302567A
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- camera
- image
- image data
- frame
- synchronizing signal
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H04N5/067—Arrangements or circuits at the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The invention discloses a kind of camera image low latency synchronization systems, including camera, processor, display.Camera is acquired image.Processor exports frame synchronizing signal to camera at predetermined intervals.After camera receives frame synchronizing signal every time, start to be exposed the image when former frame, and the image data after exposure is transmitted to processor.Processor is to receiving when the image data of former frame handles, and by treated when the image data of former frame is sent to display.The camera work of the system is in Passive Mode, and processor exports frame synchronizing signal in every frame fixed time, for controlling the exposure time point of camera.It is configured by the output of frame synchronizing signal, so that the access of the system irredundant waiting time, so that the delay of camera to display is reduced to minimum；And to show that the time delay of access is fixed, and controllable precise, image display is smooth.
Description
Technical field
The present invention relates to image display technology field more particularly to a kind of camera image low latency synchronization system and images
Low latency synchronous method.
Background technique
Vehicular rear mirror camera can realize real-time display road conditions, such as automobile rear road conditions.Display image screen picture with
The time difference of actual road conditions is the delay of rearview mirror access, and time delay is smaller, and driver can more have found danger ahead of time, and accident is avoided to send out
It is raw.
Existing vehicular rear mirror camera in industry, camera work in aggressive mode, to SoC (system level chip)
The data of acquisition are exported, SoC passively receives image, and SoC is then displayed in LCD screen after carrying out information processing to image.
However, existing vehicular rear mirror camera, has deficiency below:
(1) camera exposes current picture, and a picture may have had not yet been displayed in display, causes camera shooting to the logical of display
There is the redundancy waiting time on road, and delay length, in the case where 60 frames show scene, delay is between 30ms ~ 60ms, i.e., rearview mirror is to true road
The real-time display performance of condition is poor.
(2) the every frame of the path time delay of camera shooting to display changes, i.e., rearview mirror is becoming always the delay that real-time road is shown
Dynamic, smooth sexual experience is poor.
Summary of the invention
In view of the deficiencies of the prior art, the invention proposes a kind of camera image low latency synchronization system and methods, should
The camera work of system is in Passive Mode, and processor exports frame synchronizing signal in every frame fixed time, for controlling camera
Exposure time point.It is configured by the output of frame synchronizing signal, so that the access of the system irredundant waiting time, to solve
The camera problem long to the delay of display；And to show that the time delay of access is fixed, and controllable precise, image display stream
Freely, solve the problems, such as that rearview mirror shows that smooth sexual experience is poor to real-time road.
To achieve the goals above, technical solution of the present invention is as follows:
A kind of camera image low latency synchronization system, including camera, processor, display.Camera be used for image into
Row acquisition.Processor exports frame synchronizing signal to camera at predetermined intervals.Camera receives frame synchronization letter every time
After number, start to be exposed the image when former frame, and the image data after exposure is transmitted to processor.Processor docking
Receive when the image data of former frame is handled, and by treated when the image data of former frame is sent to display.
Further, processor includes CSI interface, LCD controller.Camera is connected with CSI interface.CSI interface with
LCD controller is connected.LCD controller is connected with display.Also, LCD controller is also connected with camera.LCD control
Device processed exports frame synchronizing signal to camera at predetermined intervals.The image data of CSI interface reception thecamera head.
Further, processor also includes dynamic random access memory.CSI interface, dynamic random access memory,
LCD controller is sequentially connected.
Further, processor includes CSI interface, LCD controller.Camera is connected with CSI interface.CSI interface with
LCD controller is connected.LCD controller is connected with display.Also, from CSI interface at predetermined intervals to camera shooting
Head output frame synchronizing signal.LCD controller controls the output time point of each frame synchronizing signal of CSI interface.
Further, the time interval between adjacent frame synchronizing signal is greater than the time of a frame image data.
A kind of camera image low latency synchronization system, including processor, display and multiple cameras.Each camera shooting
Head is connected with processor respectively；Processor is connected with display.Each camera respectively carries out multi-faceted image one by one
Acquisition.Processor exports frame synchronizing signal to each camera at predetermined intervals simultaneously.Each camera receives frame every time
After synchronization signal, start to be exposed the image when former frame, and the image data after exposure is transmitted to processor.Processing
Device works as each image data of former frame when the image data of former frame is handled, and by treated to each thecamera head
It is sent to display.
A kind of image low latency synchronous method, comprising the following steps: defeated to image capture device at predetermined intervals
Frame synchronizing signal out；The frame synchronizing signal is used to control the acquisition time of each frame image of image capture device；Obtain figure
As acquisition equipment acquisition when former frame image；To acquisition when the image data of former frame is handled, and will be after processing
Be sent to display when the image data of former frame.
Further, described pair of acquisition is handled when the image data of former frame, and treated works as former frame by general
Image data the step of being sent to display include: to receive the image data for working as former frame；Received image data is carried out
Storage；Obtain storage when former frame image data, and the image data is handled；By treated when former frame
Image data is sent to display.
Further, the time interval between adjacent frame synchronizing signal is greater than the time of a frame image data.
A kind of image low latency synchronous method, comprising the following steps: at predetermined intervals to each image capture device
Frame synchronizing signal is exported simultaneously；The frame synchronizing signal is used to control the acquisition time of each frame image of image capture device；
Obtain the acquisition of each image capture device when former frame image；Each image data obtained when former frame is handled, and
It will be when treated that each image data is sent to display for former frame.
Beneficial effects of the present invention:
The camera work of the system is in Passive Mode, and processor exports frame synchronizing signal in every frame fixed time, for controlling
The exposure time point of camera.It is configured by the output of frame synchronizing signal, so that the access of the system irredundant waiting time, thus
The delay of camera to display is reduced to minimum；And to show that the time delay of access is fixed, and controllable precise, image are aobvious
Show smoothness.
Detailed description of the invention
Fig. 1 is the circuitry block schematic diagram of camera image low latency synchronization system in the present invention.
Fig. 2 is the circuitry block schematic diagram of the first embodiment of processor 2 in Fig. 1.
Fig. 3 is the circuitry block schematic diagram of the second embodiment of processor 2 in Fig. 1.
Fig. 4 is the flow diagram of the first embodiment of image low latency synchronous method in the present invention.
Fig. 5 is the flow diagram of step S14 in Fig. 4.
Fig. 6 is the flow diagram of the second embodiment of image low latency synchronous method in the present invention.
Fig. 7 is the timing diagram that image data of the invention is transmitted.
Wherein, the appended drawing reference of Fig. 1 to Fig. 7 are as follows: camera 1, processor 2, display 3；CSI interface 21, dynamic random
Access memory 22, LCD controller 23.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.
Embodiment 1:
As shown in Figure 1, a kind of camera image low latency synchronization system, including sequentially connected camera 1, processor 2, display
Device 3.Camera 1 is acquired image.Processor 2 exports frame synchronizing signal to camera 1 at predetermined intervals
(FSYNC).After camera 1 receives frame synchronizing signal every time, start to be exposed the image when former frame, and will be after exposure
Image data be transmitted to processor 2.Processor 2, and will processing to receiving when the image data of former frame handles
Afterwards be sent to display 3 when the image data of former frame.
The work of camera 1 exports frame synchronizing signal in every frame fixed time in Passive Mode, processor 2, takes the photograph for controlling
As first 1 exposure time point.It is configured by the output of frame synchronizing signal, so that the camera shooting of camera and the display of screen reach every
Frame synchronization, irredundant waiting time, so that the delay of camera 1 to display 3 is reduced to minimum.And to show access
Time delay is fixed, and controllable precise, and image display is smooth.The trigger time of frame synchronizing signal can arbitrary disposition, pass through adjusting
Reach camera shooting to the lowest latency shown.
In camera 1 with the output of 60 frames, display 3 is shown under scene with 60 frames, in conjunction with different model display 3, is always prolonged
When between 20ms to 25ms.
Display 3 is LCD screen.
Specifically, as shown in Fig. 2, the circuit block diagram of the first embodiment for processor.Processor 2 include CSI interface 21,
Dynamic random access memory (DRAM) 22, LCD controller 23.
Camera 1 is connected with CSI interface 21.CSI interface 21, dynamic random access memory 22, LCD controller 23 according to
Secondary connection.LCD controller 23 is connected with display 3.Also, LCD controller 23 is also connected with camera 1.
LCD controller 23 exports frame synchronizing signal to camera 1 at predetermined intervals.It is same that camera 1 receives frame
After walking signal, start to when previous frame image is exposed, and the image data after exposure is transmitted to CSI interface 21.CSI
Received image data is transmitted to dynamic random access memory 22 by interface 21.Dynamic random access memory 22 is to picture number
According to being stored.LCD controller 23 obtains the image data for working as former frame from dynamic random access memory 22, and to the image
Data are handled.LCD controller 23 is by treated when the image data of former frame is sent to display 3.Dynamic random is deposited
Access to memory 22 is used to store image data when image data carries out synthesis processing.According to application scenarios, CSI is connect
There can be dynamic random access memory 22 between mouth 21 and LCD controller 23, can also there is no dynamic random access memory
22。
As shown in figure 3, in another embodiment, processor 2 includes CSI interface 21, dynamic random access memory
(DRAM) 22, LCD controller 23.
Camera 1 is connected with CSI interface 21.CSI interface 21, dynamic random access memory 22, LCD controller 23 according to
Secondary connection.LCD controller 23 is connected with display 3.Also, it is defeated to camera 1 at predetermined intervals from CSI interface 21
Frame synchronizing signal out.LCD controller 23 controls the output time point of each frame synchronizing signal of CSI interface 21.Camera 1 receives
After frame synchronizing signal, start to when previous frame image is exposed, and the image data after exposure is transmitted to CSI interface
21.Received image data is transmitted to dynamic random access memory 22 by CSI interface 21.Dynamic random access memory 22 is right
Image data is stored.LCD controller 23 obtains the image data for working as former frame from dynamic random access memory 22, and right
The image data is handled.LCD controller 23 is by treated when the image data of former frame is sent to display 3.
As shown in fig. 7, for the timing diagram of this system image data transmission.Processor 2 sends out frame synchronizing signal to camera
1, and start to show the image data sent out when preceding camera 1 on the display 3 after the T1 time.T1 time span can be set as from
Processor 2 sends frame synchronizing signal to when receiving required for meeting the minimum image data amount for starting screen display requirement
Between.The T2 time receives frame synchronizing signal for camera 1 and starts image exposure to the time for starting transmission image data.Adjacent
Time interval between frame synchronizing signal is greater than the time of a frame image data.
In another embodiment, camera image low latency synchronization system, including processor 2, display 3, Yi Jiduo
A camera 1.Each camera 1 is connected with processor 2 respectively；Processor 2 is connected with display 3.
Each camera 1 is respectively acquired multi-faceted image one by one.Processor 2 is at predetermined intervals to respectively taking the photograph
As first 1 while exporting frame synchronizing signal (FSYNC).After each camera 1 receives frame synchronizing signal every time, start to working as former frame
Image be exposed, and the image data after exposure is transmitted to processor 2.Processor 2 transmits each camera 1 current
The image data of one frame is handled, and by treated when each image data of former frame is sent to display 3.
Each work of camera 1 is in Passive Mode, and processor 2 exports frame synchronizing signal in every frame fixed time, for controlling
The exposure time point of each camera 1.It is configured by the output of frame synchronizing signal, so that the access of the system irredundant waiting time,
To which the delay of each camera 1 to display 3 is reduced to minimum.And to show that the time delay of access is fixed, and accurately may be used
Control, image display are smooth.The trigger time of frame synchronizing signal can arbitrary disposition, by adjust reach camera shooting to display it is minimum
Delay.In more 360 ° of pan-shots of mesh, frame synchronizing signal is sent simultaneously to multi-cam 1, multiple cameras 1 may make to export
The different direction or different length exposure time image data of same time point exposure, are conducive to include objects at high speed moving scene
Image mosaic and processing inside.
Embodiment 2:
As shown in figure 4, a kind of image low latency synchronous method, comprising the following steps:
S11: frame synchronizing signal (FSYNC) is exported to image capture device at predetermined intervals.Frame synchronizing signal is for controlling
The acquisition time of each frame image of imaged acquisition equipment.
S12: obtain image capture device acquisition when former frame image data.
S13: to acquisition when the image data of former frame is handled, and work as the image data of former frame for treated
It is sent to display.
Image capture device work receives frame synchronizing signal in Passive Mode, in every frame fixed time, for controlling image
Acquire the time point of the Image Acquisition of equipment.It is configured by the output of frame synchronizing signal, so that collecting the access of display without superfluous
The remaining waiting time, so that the delay of image capture device to display is reduced to minimum.And make the time delay for showing access solid
It is fixed, and controllable precise, image display are smooth.The trigger time of frame synchronizing signal can arbitrary disposition, by adjust reach figure
Lowest latency as shown in collecting.
Specifically, as shown in figure 5, step S13 the following steps are included:
S131: the image data for working as former frame is received.
S132: received image data is stored.
S133: obtain storage when former frame image data, and the image data is handled.
S134: by treated when the image data of former frame is sent to display.
Specifically, image capture device is camera.
As shown in fig. 7, the timing diagram of the image data transmission for this method.Frame synchronizing signal is delivered to camera, and
Start to show the image data sent out when preceding camera over the display after the T1 time.T1 time span can be set as same from frame is sent
Step signal starts the time required for the minimum image data amount that screen display requires to satisfaction is received.The T2 time is camera
It receives frame synchronizing signal and starts image exposure to the time for starting transmission image data.Between adjacent frame synchronizing signal when
Between interval be greater than a frame image data time.
In another embodiment, as shown in fig. 6, image low latency synchronous method, comprising the following steps:
S21: frame synchronizing signal (FSYNC) is exported simultaneously to each image capture device at predetermined intervals.
S22: obtain the acquisition of each image capture device when former frame image.
S23: handling each image data obtained when former frame, and will be when former frame treated each image data
It is sent to display.
Specifically, image capture device is camera.
Each camera work exports frame synchronizing signal in Passive Mode, in every frame fixed time, for controlling each camera
Exposure time point.It is configured by the output of frame synchronizing signal, so that access irredundant waiting time of the camera shooting to display, thus
The delay of each camera to display is reduced to minimum.And to show that the time delay of access is fixed, and controllable precise, image
Display is smooth.The trigger time of frame synchronizing signal can arbitrary disposition, by adjust reach camera shooting to display lowest latency.?
When more 360 ° of pan-shots of mesh, frame synchronizing signal is sent simultaneously to multi-cam, multiple cameras may make to export the same time
The different direction of point exposure or different length exposure time image data, are conducive to the figure including objects at high speed moving scene
As splicing and processing.
What has been described above is only a preferred embodiment of the present invention, and present invention is not limited to the above embodiments.It is appreciated that this
Other improvements and changes that field technical staff directly exports or associates without departing from the basic idea of the present invention
It is considered as being included within protection scope of the present invention.
Claims (10)
1. a kind of camera image low latency synchronization system, it is characterised in that:
Including camera (1), processor (2), display (3)；
The camera (1) is for being acquired image；
The processor (2) exports frame synchronizing signal to camera (1) at predetermined intervals；
After the camera (1) receives frame synchronizing signal every time, start to be exposed the image when former frame, and will exposure
Image data be transmitted to processor (2)；
The processor (2) is to receiving when the image data of former frame is handled, and by treated when former frame
Image data is sent to display (3).
2. camera image low latency synchronization system according to claim 1, it is characterised in that:
The processor (2) includes CSI interface (21), LCD controller (23)；
The camera (1) is connected with CSI interface (21)；
The CSI interface (21) is connected with LCD controller (23)；
The LCD controller (23) is connected with display (3)；
Also, the LCD controller (23) is also connected with camera (1)；
The LCD controller (23) exports frame synchronizing signal to camera (1) at predetermined intervals；
The CSI interface (21) receives the image data of camera (1) transmission.
3. camera image low latency synchronization system according to claim 2, it is characterised in that:
The processor (2) also includes dynamic random access memory (22)；
The CSI interface (21), dynamic random access memory (22), LCD controller (23) are sequentially connected.
4. camera image low latency synchronization system according to claim 1, it is characterised in that:
The processor (2) includes CSI interface (21), LCD controller (23)；
The camera (1) is connected with CSI interface (21)；
The CSI interface (21) is connected with LCD controller (23)；
The LCD controller (23) is connected with display (3)；
Also, frame synchronizing signal is exported to camera (1) at predetermined intervals from the CSI interface (21)；
The output time point of each frame synchronizing signal of LCD controller (23) control CSI interface (21).
5. camera image low latency synchronization system according to claim 1 or 2, it is characterised in that:
Time interval between the adjacent frame synchronizing signal is greater than the time of a frame image data.
6. a kind of camera image low latency synchronization system, it is characterised in that:
Including processor (2), display (3) and multiple cameras (1)；
Each camera (1) is connected with processor (2) respectively；Processor (2) is connected with display (3)；
Each camera (1) is respectively acquired multi-faceted image one by one；
The processor (2) exports frame synchronizing signal to each camera (1) at predetermined intervals simultaneously；
After each camera (1) receives frame synchronizing signal every time, start to be exposed the image when former frame, and will be after exposure
Image data be transmitted to processor (2)；
The processor (2) to each camera (1) transmit when the image data of former frame is handled, and will treated works as
Each image data of former frame is sent to display (3).
7. a kind of image low latency synchronous method, it is characterised in that:
The following steps are included:
Frame synchronizing signal is exported to image capture device at predetermined intervals；The frame synchronizing signal is for controlling the figure
As the acquisition time of each frame image of acquisition equipment；
Obtain image capture device acquisition when former frame image；
To acquisition when the image data of former frame is handled, and by treated when the image data of former frame be sent to it is aobvious
Show device.
8. image low latency synchronous method according to claim 7, it is characterised in that:
Described pair of acquisition is handled when the image data of former frame, and by treated when former frame image data transmission
Include: to the step of display
Receive the image data for working as former frame；
Received image data is stored；
Obtain storage when former frame image data, and the image data is handled；
By treated when the image data of former frame is sent to display.
9. image low latency synchronous method according to claim 7 or 8, it is characterised in that:
Time interval between adjacent frame synchronizing signal is greater than the time of a frame image data.
10. a kind of image low latency synchronous method, it is characterised in that:
The following steps are included:
Frame synchronizing signal is exported simultaneously to each image capture device at predetermined intervals；The frame synchronizing signal is for controlling
Described image acquires the acquisition time of each frame image of equipment；
Obtain the acquisition of each image capture device when former frame image；
Each image data obtained when former frame is handled, and will be when treated that each image data is sent to is aobvious for former frame
Show device.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182226A (en) * | 2019-07-16 | 2020-05-19 | 北京欧比邻科技有限公司 | Method, device, medium and electronic equipment for synchronous working of multiple cameras |
| CN113519153A (en) * | 2020-02-12 | 2021-10-19 | 深圳元戎启行科技有限公司 | Image acquisition method, image acquisition device, control device, computer equipment, readable storage medium, image acquisition equipment and remote driving system |
| CN114071022A (en) * | 2020-08-07 | 2022-02-18 | 北京图森未来科技有限公司 | Control method, device and equipment of image acquisition equipment and storage medium |
| CN114500979A (en) * | 2020-11-12 | 2022-05-13 | 海信视像科技股份有限公司 | Display apparatus, control apparatus, and synchronization calibration method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06317829A (en) * | 1993-04-30 | 1994-11-15 | Fuji Photo Film Co Ltd | Photographic system and method |
| CN101035194A (en) * | 2007-04-04 | 2007-09-12 | 武汉立得空间信息技术发展有限公司 | Method for obtaining two or more video synchronization frame |
| CN101674400A (en) * | 2008-09-12 | 2010-03-17 | 深圳市经纬科技有限公司 | Camera system and method thereof |
| CN102006420A (en) * | 2010-12-17 | 2011-04-06 | 四川川大智胜软件股份有限公司 | Design method capable of using external synchronous for cameral with various data output formats |
| CN102006426A (en) * | 2010-11-30 | 2011-04-06 | 广东威创视讯科技股份有限公司 | Synchronization method and device for splicing system |
| CN102148927A (en) * | 2010-12-16 | 2011-08-10 | 四川川大智胜软件股份有限公司 | Method of designing video camera capable of rotating pictures |
| CN102685280A (en) * | 2011-01-31 | 2012-09-19 | 手持产品公司 | Apparatus, system, and method of use of imaging assembly on mobile terminal |
| CN104469279A (en) * | 2013-09-25 | 2015-03-25 | 北京环境特性研究所 | Panoramic mosaic device and method based on space coordinates of image |
-
2017
- 2017-07-25 CN CN201710611705.0A patent/CN109302567A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06317829A (en) * | 1993-04-30 | 1994-11-15 | Fuji Photo Film Co Ltd | Photographic system and method |
| CN101035194A (en) * | 2007-04-04 | 2007-09-12 | 武汉立得空间信息技术发展有限公司 | Method for obtaining two or more video synchronization frame |
| CN101674400A (en) * | 2008-09-12 | 2010-03-17 | 深圳市经纬科技有限公司 | Camera system and method thereof |
| CN102006426A (en) * | 2010-11-30 | 2011-04-06 | 广东威创视讯科技股份有限公司 | Synchronization method and device for splicing system |
| CN102148927A (en) * | 2010-12-16 | 2011-08-10 | 四川川大智胜软件股份有限公司 | Method of designing video camera capable of rotating pictures |
| CN102006420A (en) * | 2010-12-17 | 2011-04-06 | 四川川大智胜软件股份有限公司 | Design method capable of using external synchronous for cameral with various data output formats |
| CN102685280A (en) * | 2011-01-31 | 2012-09-19 | 手持产品公司 | Apparatus, system, and method of use of imaging assembly on mobile terminal |
| CN104469279A (en) * | 2013-09-25 | 2015-03-25 | 北京环境特性研究所 | Panoramic mosaic device and method based on space coordinates of image |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182226A (en) * | 2019-07-16 | 2020-05-19 | 北京欧比邻科技有限公司 | Method, device, medium and electronic equipment for synchronous working of multiple cameras |
| CN113519153A (en) * | 2020-02-12 | 2021-10-19 | 深圳元戎启行科技有限公司 | Image acquisition method, image acquisition device, control device, computer equipment, readable storage medium, image acquisition equipment and remote driving system |
| CN114071022A (en) * | 2020-08-07 | 2022-02-18 | 北京图森未来科技有限公司 | Control method, device and equipment of image acquisition equipment and storage medium |
| US11706533B2 (en) | 2020-08-07 | 2023-07-18 | Beijing Tusen Weilai Technology Co., Ltd. | Control method for image acquisition device, control device therefor, and storage medium |
| CN114071022B (en) * | 2020-08-07 | 2023-12-15 | 北京图森未来科技有限公司 | Control method, device and equipment of image acquisition equipment and storage medium |
| CN114500979A (en) * | 2020-11-12 | 2022-05-13 | 海信视像科技股份有限公司 | Display apparatus, control apparatus, and synchronization calibration method |
| CN114500979B (en) * | 2020-11-12 | 2023-09-19 | 海信视像科技股份有限公司 | Display device, control device, and synchronization calibration method |
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