Video data transmission method and device for intelligent network-connected equipment
A video data transmission and intelligent network technology, applied in the field of vehicles, can solve the problem of high cost, achieve the effect of simplifying design, reducing cost and ensuring signal quality
Active Publication Date: 2021-10-08
ZHIDAO NETWORK TECH (BEIJING) CO LTD +1
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In this way, the video transceiver needs to add corresponding serialization and deserialization chips, and the cost is relatively high.
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[0051] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0052] Such as figure 1 shown, combined with figure 2 , an embodiment of the present invention provides a video data transmission method for an intelligent network connection device. The intelligent network connection device is installed in a vehicle, and a camera assembly is also installed in the vehicle. The intelligent network connection device at least includes a main controller, and the camera assembly is used for Gathering video data, and transmitting data flow data between the main controller and the camera assembly, the method includes:
[0053] Step 101: If the in-vehicle transmission distance between the camera assembly and the main controller is greater...
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The embodiment of the present invention discloses a video data transmission method and device for an intelligent network connection device. The intelligent network connection device is installed in a vehicle, and a camera assembly is also installed in the vehicle. The intelligent network connection device at least includes a main controller and a camera assembly for To collect video data, and transmit data flow data between the main controller and the camera assembly, the method includes: when the in-vehicle transmission distance between the camera assembly and the main controller is greater than the preset in-vehicle distance , connect and extend the transmission distance between the main controller and the camera assembly through the HDMI transmission cable; configure the MIPI signal transmission protocol based on the HDMI physical interface according to the HDMI transmission cable; use the MIPI signal transmission protocol to transfer the The MIPI digital signal is multi-channeled and transmitted to the main controller in parallel. The invention transmits the MIPI video signal to the intelligent network connection device through the HDMI data line, which can effectively simplify the design and reduce the cost while ensuring the signal quality.
Description
technical field [0001] The invention relates to the technical field of vehicles, in particular to a method and device for transmitting video data of intelligent networked equipment. Background technique [0002] Video capture input is a basic function of vehicle multimedia equipment. For example, the video input based on the front camera can perform intelligent vehicle operations such as ADAS (Advanced Driver Assistance System). [0003] The vehicle multimedia device host usually adopts a solution similar to a smart phone platform. The video input is a digital MIPI (Mobile Industry Processor Interface) interface. For example, the front and rear cameras of a mobile phone are both MIPI digital interfaces, which are directly connected On the main board of the mobile phone, however, on the vehicle, the camera is usually installed on the windshield of the vehicle, and the vehicle multimedia equipment host (control panel) is installed on the center console of the vehicle, so that ...
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IPC IPC(8): H04N21/4363H04N21/414
CPCH04N21/414H04N21/43635
Inventor 李国锋张树民
Owner ZHIDAO NETWORK TECH (BEIJING) CO LTD