Universal HDMI equipment based high definition video image capture display process

A high-definition video and display method technology, applied in the field of video images, can solve the problems of not supporting digital audio signal transmission, large DVI interface, not suitable for portable devices, etc., and achieve good real-time performance, high image restoration degree, and small signal distortion. Effect

Inactive Publication Date: 2008-01-02
北京华纬讯电信技术有限公司
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AI Technical Summary

Problems solved by technology

However, with the development of the times, the DVI interface developed for PCs has shown disadvantages such as being too large, not suitable for portable devices, and not supporting digital audio signal transmission.

Method used

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  • Universal HDMI equipment based high definition video image capture display process
  • Universal HDMI equipment based high definition video image capture display process

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Embodiment Construction

[0027] As shown in Figure 1, the working principle of the present invention's high-definition video collection and display method based on general HDMI equipment is:

[0028] 1. Obtain the original high-definition video data through the high-definition digital camera, and then send it to the high-definition video acquisition card through the HDMI interface losslessly;

[0029] 2. Transmit the original high-definition video data to the video image processing module through the high-definition video capture card;

[0030] 3. Perform video image processing on the original high-definition video data on the onboard processing chip of the PC or acquisition card, and adjust it to the specified high-definition resolution (such as 1080i, 720p, 1080p);

[0031] 4. Encode the processed high-definition video image into a digital signal that conforms to the transmission standard of the HDMI interface, and under the clock synchronization of the high-precision timer, transmit it to the high-...

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Abstract

The invention provides a collecting and displaying method of high-definition video image, which is based on video collecting and displaying device with general HDMI interface. The invention can use high-definition digit camera to obtain initial high-definition video data, process video image treatment on the initial high-definition video data transmitted by a high-definition video collecting card, to be adjusted into pointed high-definition resolution, to be output to a high-definition video display device with HDMI interface to be displayed. The inventive method can collect and display high-definition video signal, as local display, cascade display, and remote display, even the method can obtain better device versatility, high video quality, better real-time property, and strong expansion or the like.

Description

technical field [0001] The invention relates to the technical field of video images, in particular to a method for collecting and displaying high-definition video images, which is based on the collection and display of general HDMI equipment. Wherein, the HDMI refers to a high-definition multimedia interface (High Definition Multimedia Interface). Background technique [0002] With the rapid development of multimedia technology, audio, video, and images have been widely integrated into people's daily life and become an indispensable part, such as cable TV, home theater, etc. Multimedia technology can also be combined with computer and Internet technology to be used in many fields such as video conferencing, audio and video on demand, and distance education. In the existing multimedia video display system, the analog video signal or digital signal is generally input to the standard definition (referred to as Standard definition) resolution (such as 800 × 600) display device...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/765
Inventor 邓大鹏韩枫王生安
Owner 北京华纬讯电信技术有限公司
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