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Single-camera multi-channel USB video output system and hardware upgrading method

A single-camera, video output technology, applied to TV system components, color TV components, TVs, etc., can solve the problems of multi-channel media stream conversion and output, and avoid camera position calibration steps and design The effect of development and experience improvement

Pending Publication Date: 2022-08-02
北原科技(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Although it can realize the conversion and output of audio and video data, it can only operate on a single media stream, and cannot solve the problem of conversion and output of multiple media streams

Method used

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  • Single-camera multi-channel USB video output system and hardware upgrading method
  • Single-camera multi-channel USB video output system and hardware upgrading method
  • Single-camera multi-channel USB video output system and hardware upgrading method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] like image 3 , 4 and 5, a single-camera multi-channel USB video output system, the system includes:

[0042] Image capture input module, configured to capture video stream in real time;

[0043] The high-speed MIPI interface multi-channel bridging unit is configured to obtain the collected video streams, perform real-time parallel splitting of the collected video streams, obtain the split multi-channel video streams, and output the multiple video streams respectively at the same time;

[0044]The image processing unit is configured to receive multiple video streams, respectively perform image processing on the multiple video streams, and output the results of the image processing through the USB interface respectively.

[0045] Specifically, FPGA is the abbreviation of Field Programmable Gate Array in English, which represents a programmable logic gate array. FPGA device belongs to a kind of semi-custom circuit in the application-specific integrated circuit. It is a...

Embodiment 2

[0054] On the basis of the previous embodiment, the image acquisition input module includes: an optical lens and an image sensor; the optical lens is used for image signal acquisition; the image sensor is used for data acquisition of the image signal collected by the optical lens Convert, convert the image signal into an electrical signal, and then convert the electrical signal into an image signal of a digital signal to form a video stream.

[0055] refer to Figure 5 , The system architecture of the single-camera dual-channel USB video output system.

Embodiment 3

[0057] On the basis of the previous embodiment, the camera is a single lens.

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Abstract

The invention belongs to the technical field of USB cameras, and particularly relates to a single-camera multi-channel USB video output system and a hardware upgrading method, and the system comprises an image collection input module which is configured to be used for collecting video streams in real time; the high-speed MIPI interface multi-channel bridging unit is configured to be used for acquiring the acquired video streams, performing real-time parallel shunting on the acquired video streams to obtain multiple paths of shunted video streams, and outputting the multiple paths of video streams respectively at the same time; and the image processing unit is configured to be used for receiving the multiple paths of video streams, respectively performing image processing on the multiple paths of video streams, and respectively outputting image processing results through the USB interfaces. As multiple paths of video streams share one set of lens and image sensor, the parallax and redundant lens position calibration step in the production link are avoided, and the design development and experience degree of the product are better improved.

Description

technical field [0001] The invention belongs to the technical field of USB cameras, in particular to a single-camera USB video output system and a hardware upgrade method. Background technique [0002] The USB interface camera has a wide range of applications due to its plug and play, built-in image processor, and output of perfect image effects. The steps of image processing on the back-end platform or software are eliminated, thereby releasing the software and hardware development resources and time-consuming of the back-end platform or software. [0003] In the prior art, when the following scenarios occur: 1: Multiple USB Hosts need to access a USB camera at the same time and share the field of view and video stream of the same camera, such as figure 1 or 2. Multiple softwares on one USB Host need to access the field of view and video stream of a USB camera at the same time, such as figure 2 shown. [0004] The conventional method is to use multiple separate USB came...

Claims

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Application Information

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IPC IPC(8): H04N5/268H04N5/765
CPCH04N5/268H04N5/765
Inventor 王伟光
Owner 北原科技(深圳)有限公司
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