CN114445261A - Data transmission device, system and method - Google Patents
Data transmission device, system and method Download PDFInfo
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- CN114445261A CN114445261A CN202210101434.5A CN202210101434A CN114445261A CN 114445261 A CN114445261 A CN 114445261A CN 202210101434 A CN202210101434 A CN 202210101434A CN 114445261 A CN114445261 A CN 114445261A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 abstract description 5
- 238000013480 data collection Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000004931 aggregating effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/163—Interprocessor communication
- G06F15/17—Interprocessor communication using an input/output type connection, e.g. channel, I/O port
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- 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
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
The application provides a data transmission device, a system and a method, wherein each data acquisition interface of the data transmission device is used for being externally connected with a data end of a camera, a serial aggregator comprises a plurality of serialization chips and an integrated signal processor, the input end of each serialization chip is connected with a data acquisition interface, the output end of each serialization chip is respectively connected with one input end of the integrated signal processor, and the output end of the integrated signal processor is externally connected with an image receiving device. When image data collected by the accessed multi-path cameras are transmitted, the initial interface design of external equipment is not required to be changed, the multi-path image data are transmitted to each serialization chip through the data collection interface and are converted into serial models, then the multi-path serial signals sent by each serialization chip are restored into signals of multi-path image formats by the integrated signal processor and are transmitted to the image receiving equipment, and the transmission mode and the cost from the multi-path cameras to the image receiving equipment are greatly simplified.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission device, a system, and a method.
Background
The camera uses more and more extensively in the robot, along with perception, navigation requirement's continuous promotion, adopts in the access of many cameras obtains more and more robots, and many cameras access must increase the interface of many cameras, and this must lead to the redesign of robot hardware platform, brings a large amount of design and debugging work.
Therefore, the existing robot hardware equipment has the technical problem that the debugging and hardware cost is increased by a multi-channel data transmission scheme.
Disclosure of Invention
In order to solve the above technical problem, embodiments of the present application provide a data transmission device, system and method.
In a first aspect, an embodiment of the present application provides a data transmission device, where the data transmission device is used to access multiple cameras, and the data transmission device includes:
the system comprises at least two data acquisition interfaces, a data acquisition interface and a data acquisition interface, wherein each data acquisition interface is externally connected with a data end of a camera;
the serial aggregator comprises a plurality of serialization chips and an integrated signal processor, wherein the input end of each serialization chip is connected with a data acquisition interface, the output end of each serialization chip is respectively connected with one input end of the integrated signal processor, the output end of the integrated signal processor is externally connected with an image receiving device, and the integrated signal processor is used for restoring the multi-path serial signals sent by each serialization chip into signals in a multi-path image format.
According to a specific embodiment of the application, the data acquisition interface is a DVP interface or an MIPI-CSI interface;
the input end of the integrated signal processor is provided with a plurality of parallel virtual receiving channels, and the output end of the integrated signal processor is provided with an MIPI-CSI interface.
According to a specific embodiment of the present application, if the data acquisition interface is a DVP interface, the corresponding serialization chip is DS90UB933-Q1/DS90UB 913A-Q1;
if the data acquisition interface is an MIPI-CSI interface, the corresponding serialization chip is DS90UB953(A) -Q1/DS90UB 935-Q1.
According to a specific embodiment of the present application, the data transmission device includes two DVP interfaces and two MIPI-CSI interfaces.
According to a specific embodiment of the application, GPIO synchronous pulses are adopted between the serialization chip and the data acquisition interface for data transmission; and/or the presence of a gas in the gas,
and the Frame _ Sync synchronous pulse is adopted between the serialization chip and the integrated signal processor for data transmission.
According to a specific embodiment of the present application, the apparatus further includes a plurality of coaxial cables, and one coaxial cable is connected in series between the output end of each serializing chip and the integrated signal processor.
In a second aspect, an embodiment of the present application provides a data transmission system, which includes multiple cameras, an image receiving device, and the data transmission device in any one of the first aspect.
In a third aspect, an embodiment of the present application provides a data transmission method, which is applied to the data transmission device in any one of the first aspects, and the method includes:
at least two data acquisition interfaces respectively receive initial image data acquired by corresponding cameras;
each serialization chip of the serial aggregator receives initial imaging data acquired by a connected data acquisition interface and converts the initial imaging data into a serial signal;
and the integrated signal processor receives the multiple paths of serial signals sent by each serialization chip, restores the multiple paths of serial signals into signals in multiple paths of image formats and sends the signals to external image receiving equipment.
According to a specific embodiment of the present application, the step of receiving, by the integrated signal processor, the multiple serial signals sent by the respective serializing chips, restoring the multiple serial signals to signals in multiple image formats, and sending the signals to an external image receiving device includes:
the integrated signal processor is pre-configured with the serial numbers of all virtual channels;
receiving a plurality of paths of serial signals sent by each serialization chip through each virtual channel, and recovering the signals into image format signals associated with each virtual channel;
and sending the serial number of each virtual channel and the associated image format signal to the image receiving equipment through an integrated data interface so that the image receiving equipment can analyze the initial image signal of each camera according to the serial number of the virtual channel.
According to a specific embodiment of the present application, the method further comprises:
the serialization chip receives initial image data sent by the data acquisition interface by adopting GPIO synchronous pulses;
and the integrated signal processor receives the serialized signals sent by the serialized chip by adopting Frame _ Sync synchronous pulses.
According to the data transmission device, the system and the method, the data transmission device is used for accessing the multiple paths of cameras. Wherein the data transmission apparatus comprises: the device comprises at least two data acquisition interfaces and a serial aggregator, wherein each data acquisition interface is used for being externally connected with a data end of a camera, the serial aggregator comprises a plurality of serialization chips and an integrated signal processor, the input end of each serialization chip is connected with one data acquisition interface, the output end of each serialization chip is respectively connected with one input end of the integrated signal processor, and the output end of the integrated signal processor is externally connected with an image receiving device. When image data collected by the accessed multi-path cameras are transmitted, the initial interface design of external equipment is not required to be changed, the multi-path image data are transmitted to each serialization chip through the data collection interface and are converted into serial models, then the integrated signal processor recovers the multi-path serial signals sent by each serialization chip into signals of multi-path image formats and transmits the signals to the image receiving equipment, and the transmission mode and the cost from the multi-path cameras to the image receiving equipment are greatly simplified.
Drawings
In order to more clearly explain the technical solutions of the present application, the drawings needed to be used in the embodiments are briefly introduced below, and it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope of protection of the present application. Like components are numbered similarly in the various figures.
Fig. 1 is a schematic connection diagram of a data transmission device according to an embodiment of the present application;
fig. 2 shows another connection diagram of a data transmission device provided in an embodiment of the present application;
fig. 3 shows another connection diagram of a data transmission device provided in an embodiment of the present application;
fig. 4 shows a flowchart of a data transmission method provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present application, are intended to indicate only specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present application belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments.
Example 1
Referring to fig. 1, a schematic connection diagram of a data transmission device according to an embodiment of the present application is provided, where the data transmission device is used to access multiple cameras. As shown in fig. 1, the data transmission apparatus 100 includes:
at least two data acquisition interfaces 110, each data acquisition interface is used for externally connecting a data end of a camera;
the serial aggregator 120 includes a plurality of serializing chips 121 and an integrated signal processor 122, an input end of each serializing chip 121 is connected to one data acquisition interface 110, an output end of each serializing chip 121 is respectively connected to one input end of the integrated signal processor 122, an output end of the integrated signal processor 122 is externally connected to the image receiving device 200, and the integrated signal processor 122 is configured to restore the multiple serial signals sent by each serializing chip 121 to signals in multiple image formats.
The data transmission device 100 provided in this embodiment has a front end connected to the multiple cameras and a rear end connected to the image receiving device 200, and is configured to transmit image data collected by the multiple cameras to the single-channel interface of the image receiving device 200, so that the image receiving device 200 can receive the multiple image data collected by the multiple cameras without redesigning and assembling the single-channel interface of the image receiving device 200, thereby simplifying design cost and hardware cost. The related image receiving device 200 may be a robot or other intelligent navigation device, and recognizes a multi-directional image scene through the received multi-path image data, thereby implementing intelligent navigation.
Specifically, the data transmission device 100 is provided with at least two data acquisition interfaces 110 for accessing multiple cameras. According to an embodiment of the present application, the data acquisition interface 110 is a DVP interface or a MIPI-CSI interface. As shown in fig. 1 and 2, the data transmission device 100 includes two DVP interfaces and two MIPI-CSI interfaces, so that image data collected by cameras of different interfaces can be received.
The data transmission device 100 further comprises a main transmission switching element serial aggregator 120 for aggregating serial signals for transmission. Specifically, the serial aggregator 120 includes serializing chips 121 and integrated signal processors 122, the number of serializing chips 121 corresponds to the number of cameras connected, one serializing chip 121 is connected to one camera through one data acquisition interface 110, and all serializing chips 121 are aggregated and connected to one integrated signal processor 122. The serial aggregator 120 receives the image data received by the data acquisition interface 110, converts the image data into a serial signal, and sends the serial signal to the integrated signal processor 122. The integrated signal receives the serial signal transmitted by each of the serializing chips 121, and restores the serial signal into a signal in a multi-path image format to the image receiving apparatus 200 such as a robot.
In specific implementation, the camera serialization of the DVP interface and the MIPI-CSI interface can be realized by selecting different Serializer chips for the multiple cameras. Specifically, if the data acquisition interface 110 is a DVP interface, the corresponding serializing chip 121 is DS90UB933-Q1/DS90UB 913A-Q1;
if the data acquisition interface 110 is an MIPI-CSI interface, the corresponding serializing chip 121 is DS90UB953(a) -Q1/DS90UB 935-Q1.
Certainly, other interfaces besides the DVP interface and the MIPI-CSI interface may also exist in the data acquisition interface 110, and for this case, other serializing chips 121 that support serialization of corresponding interface signals may be selected by extension, which is not described herein again.
Further, the input end of the integrated signal processor 122 is a plurality of parallel virtual receiving channels, and the output end of the integrated signal processor 122 is an MIPI-CSI interface.
As shown in fig. 2, after the multiple paths of camera serialized data enter the integrated signal processor 122deserialize hub, the camera data accessed from P0 to P3 are remapped to different virtual channel VCID numbers of the MIPI-CSI by configuring a virtual channel number register corresponding to each port of the deserialize hub chip, and are sent to the image receiving device 200 such as the robot hardware platform through one MIPI-CSI. The image receiving device 200 can analyze data of each camera according to different virtual channel VCID numbers, and 2-4 paths of camera data are aggregated into one path of MIPI-CSI interface.
Optionally, the apparatus further includes a plurality of coaxial cables, and a coaxial cable is connected in series between the output end of each serializing chip 121 and the integrated signal processor 122.
As shown in fig. 1, a coaxial cable may also be connected in series between the serializing chip 121 and the integrated signal processor 122 to extend the data transmission length of the camera. The multi-path camera transmits camera MIPI-CSI or DVP signals through the coaxial cable after serializing, the transmission distance of the camera signals can be expanded to be more than 10m, and the multi-path camera can be conveniently accessed.
According to another specific embodiment of the present application, the data transmission is performed between the serializing chip 121 and the data acquisition interface 110 by using GPIO synchronization pulses; and/or the presence of a gas in the gas,
the Frame _ Sync synchronization pulse is used between the serializing chip 121 and the integrated signal processor 122 for data transmission.
As shown in fig. 3, the serialization chip 121 is implemented by GPIO pulse, the DeserializerHub supports two modes of external GPIO synchronization pulse and internal Frame synchronization pulse Frame _ Sync, the same pulse signal is simultaneously sent to 4 routes of Serializer chips through coaxial cables, and the Serializer chips synchronously output GPIO pulse signals to control the Frame synchronization output of multiple cameras.
By adopting the data transmission equipment 100, the expansion of 4 paths of cameras can be realized on the basis of maintaining the original hardware platform, two interfaces of cameras MIPI-CSI and DVP are supported, meanwhile, the aggregator supports the hardware frame synchronization control of multiple paths of cameras, long-distance transmission of the cameras is supported, and the input expansion of multiple cameras of the robot can be quickly realized.
In summary, the data transmission device provided in this embodiment aggregates 2 to 4 paths of camera signals into one path of MIPI-CSI interface, expands 1 path of MIPI-CSI camera interface into 4 paths of camera interfaces, realizes expansion of 4 paths of cameras on the basis of maintaining an original hardware platform, simultaneously supports multi-path camera hardware frame synchronization control, supports long-distance camera transmission, can quickly realize multi-camera input expansion of a robot, avoids redesign of a robot hardware platform, shortens a hardware development cycle, realizes quick expansion and upgrade of a robot product, and greatly simplifies a transmission mode and cost from multi-path cameras to an image receiving device.
Example 2
In addition, as shown in fig. 1 to fig. 3, an embodiment of the present application provides a data transmission system, which includes multiple cameras, an image receiving apparatus 200, and a data transmission apparatus 100, where the data transmission apparatus is the data transmission apparatus provided in the foregoing embodiment.
The data transmission system provided by the embodiment realizes access of multiple cameras through the serial aggregator on the premise of not changing a single port of the image receiving device, so as to meet the requirement of the image receiving device on input of multiple cameras. For a specific implementation process of the data transmission system, reference may be made to the specific transmission process of the data transmission device provided in the foregoing embodiment, and details are not repeated here.
Example 3
Referring to fig. 4, a schematic flow chart of a data transmission method is provided for the embodiment of the present application, and the provided data transmission method is applied to the data transmission device provided in the foregoing embodiment. As shown in fig. 4, the method mainly includes the following steps:
step S401, at least two data acquisition interfaces respectively receive initial image data acquired by corresponding cameras;
the data transmission equipment is provided with at least two data acquisition interfaces for accessing a plurality of paths of cameras. According to a specific embodiment of the present application, the data acquisition interface is a DVP interface or an MIPI-CSI interface.
Step S402, each serialization chip of the serial aggregator receives initial imaging data acquired by a connected data acquisition interface and converts the initial imaging data into a serial signal;
the number of the serialization chips corresponds to the number of the accessed cameras, one serialization chip is connected with one camera through one data acquisition interface, and all the serialization chips are connected to one integrated signal processor in an aggregation mode. The serial aggregator receives the image data received by the data acquisition interface, converts the image data into serial signals, and sends the serial signals to the integrated signal processor.
Step S403, the integrated signal processor receives the multiple serial signals sent by each serializing chip, restores the multiple serial signals to signals in multiple image formats, and sends the signals to an external image receiving device.
The integrated signal receives serial signals sent by each serialization chip and restores the serial signals into signals in a multi-path image format to image receiving equipment such as a robot.
According to a specific embodiment of the present application, the step of receiving, by the integrated signal processor, the multiple serial signals sent by each of the serializing chips, restoring the multiple serial signals to signals in multiple image formats, and sending the signals to an external image receiving device may specifically include:
the integrated signal processor is pre-configured with the serial numbers of all virtual channels;
receiving a plurality of paths of serial signals sent by each serialization chip through each virtual channel, and recovering the signals into image format signals related to each virtual channel;
and sending the serial number of each virtual channel and the associated image format signal to the image receiving equipment through an integrated data interface so that the image receiving equipment can analyze the initial image signal of each camera according to the serial number of the virtual channel.
In specific implementation, as shown in fig. 2, after multiple paths of camera serialized data enter the integrated signal processor deselizier hub, camera data accessed from P0 to P3 are remapped to different virtual channel VCID numbers of MIPI-CSI by configuring a virtual channel number register corresponding to each port of a deselizier hub chip, and are sent to image receiving devices such as a robot hardware platform through one MIPI-CSI. The image receiving equipment can analyze the data of each camera according to different virtual channel VCID numbers, and 2-4 paths of camera data are aggregated into one path of MIPI-CSI interface.
According to a specific embodiment of the present application, the method may further include:
the serialization chip receives initial image data sent by the data acquisition interface by adopting GPIO synchronous pulses;
and the integrated signal processor receives the serialized signals sent by the serialized chip by adopting Frame _ Sync synchronous pulses.
As shown in fig. 3, the serialization chip synchronous acquisition is realized by GPIO pulses, the deserialize hub supports two modes of external GPIO synchronization pulses and internal Frame synchronization pulses, the same pulse signal is simultaneously sent to 4 routes of Serializer chips through coaxial cables, and the Serializer chips synchronously output GPIO pulse signals to control the synchronous output of multiple camera frames.
Above-mentioned data transmission method that this application provided, when transmitting the image data that the multichannel camera gathered to the access, need not to change external device's initial interface design, but transmit multichannel image data for each serialization chip through the data acquisition interface and turn into serial model, by integrated signal processor transmits image receiving equipment after recovering the signal of multichannel image format with the multichannel serial signal that each serialization chip sent again, and the very big degree simplifies transmission mode and the cost of multichannel camera to image receiving equipment. For a specific implementation process of the provided data transmission method, reference may be made to the specific implementation process of the data transmission device shown in embodiment 1, and details are not described herein for avoiding repetition.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method of the above embodiments is implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A data transmission device, wherein the data transmission device is configured to access multiple cameras, the data transmission device comprising:
the system comprises at least two data acquisition interfaces, a data acquisition interface and a data acquisition interface, wherein each data acquisition interface is externally connected with a data end of a camera;
the serial aggregator comprises a plurality of serialization chips and an integrated signal processor, wherein the input end of each serialization chip is connected with a data acquisition interface, the output end of each serialization chip is respectively connected with one input end of the integrated signal processor, the output end of the integrated signal processor is externally connected with an image receiving device, and the integrated signal processor is used for restoring the multi-path serial signals sent by each serialization chip into signals in a multi-path image format.
2. The data transmission device of claim 1, wherein the data acquisition interface is a DVP interface or a MIPI-CSI interface;
the input end of the integrated signal processor is provided with a plurality of parallel virtual receiving channels, and the output end of the integrated signal processor is provided with an MIPI-CSI interface.
3. The data transmission device according to claim 2, wherein if the data acquisition interface is a DVP interface, the corresponding serializing chip is DS90UB933-Q1/DS90UB 913A-Q1;
if the data acquisition interface is an MIPI-CSI interface, the corresponding serialization chip is DS90UB953(A) -Q1/DS90UB 935-Q1.
4. The data transmission apparatus according to claim 3, wherein the data transmission apparatus includes two DVP interfaces and two MIPI-CSI interfaces.
5. The data transmission device of claim 3, wherein GPIO synchronization pulses are used between the serializing chip and the data acquisition interface for data transmission; and/or the presence of a gas in the gas,
and the Frame _ Sync synchronous pulse is adopted between the serialization chip and the integrated signal processor for data transmission.
6. The data transmission apparatus of any one of claims 1 to 5, further comprising a plurality of coaxial cables, one coaxial cable connected in series between the output of each serializing chip and the integrated signal processor.
7. A data transmission system comprising a plurality of cameras, an image receiving apparatus and a data transmission apparatus as claimed in any one of claims 1 to 6.
8. A data transmission method applied to the data transmission device according to any one of claims 1 to 6, the method comprising:
at least two data acquisition interfaces respectively receive initial image data acquired by corresponding cameras;
each serialization chip of the serial aggregator receives initial imaging data acquired by a connected data acquisition interface and converts the initial imaging data into a serial signal;
and the integrated signal processor receives the multiple paths of serial signals sent by each serialization chip, restores the multiple paths of serial signals into signals in multiple paths of image formats and sends the signals to external image receiving equipment.
9. The method of claim 8, wherein the step of receiving the multiple serial signals transmitted by each serializing chip and recovering the multiple serial signals into multiple image format signals and transmitting the multiple image format signals to an external image receiving device by the integrated signal processor comprises:
the integrated signal processor is pre-configured with the serial numbers of all virtual channels;
receiving a plurality of paths of serial signals sent by each serialization chip through each virtual channel, and recovering the signals into image format signals related to each virtual channel;
and sending the serial number of each virtual channel and the associated image format signal to the image receiving equipment through an integrated data interface so that the image receiving equipment can analyze the initial image signal of each camera according to the serial number of the virtual channel.
10. The method of claim 8, further comprising:
the serialization chip receives initial image data sent by the data acquisition interface by adopting GPIO synchronous pulses;
and the integrated signal processor receives the serialized signals sent by the serialized chip by adopting Frame _ Sync synchronous pulses.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115297241A (en) * | 2022-08-02 | 2022-11-04 | 白犀牛智达(北京)科技有限公司 | Image acquisition system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115297241A (en) * | 2022-08-02 | 2022-11-04 | 白犀牛智达(北京)科技有限公司 | Image acquisition system |
| CN115297241B (en) * | 2022-08-02 | 2024-02-13 | 白犀牛智达(北京)科技有限公司 | Image acquisition system |
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Inventor after: Yang Guoping Inventor after: Dong Hao Inventor after: Jiang Yongjun Inventor before: Yang Guoping Inventor before: Zhao Mingguo Inventor before: Dong Hao Inventor before: Jiang Yongjun |
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| CB03 | Change of inventor or designer information |