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Image transmission method, device and video processing equipment

A transmission method and image technology, applied in the field of data transmission, can solve problems such as limited effective bandwidth

Pending Publication Date: 2021-06-29
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the video resolution and frame rate increase, the data bandwidth required for video transmission will also increase. However, the effective bandwidth of a single transmission channel for video transmission is limited. When the required transmission bandwidth of the image to be transmitted exceeds How to realize the transmission of the image to be transmitted under the condition of the effective bandwidth of a single transmission channel is an urgent problem to be solved

Method used

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  • Image transmission method, device and video processing equipment
  • Image transmission method, device and video processing equipment
  • Image transmission method, device and video processing equipment

Examples

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no. 1 example

[0029] see figure 1 , which is a schematic flowchart of the image transmission method according to the first embodiment of the present invention. The image transmission method may, for example, include:

[0030] Step S102, obtaining the required transmission bandwidth of the image to be transmitted and the effective bandwidth of a single transmission channel;

[0031] Step S104, according to the size of the effective bandwidth and the required transmission bandwidth, determine the division number M of the image to be transmitted, wherein the required transmission bandwidth is greater than the effective bandwidth, and M is a positive integer greater than 1 ;

[0032] Step S106, based on the division number M, divide the image to be transmitted into M sub-images, wherein the required transmission bandwidth of each sub-image is smaller than the effective bandwidth;

[0033] Step S108, buffering the M sub-images;

[0034] Step S110, sending the buffered M sub-images to the M t...

no. 2 example

[0049] see Figure 5 , the second embodiment of the present invention provides an image transmission device 200 . The image transmission device 200 includes, for example: an acquisition module 202 , a determination module 204 , a segmentation module 206 , a cache module 208 and a sending module 210 .

[0050] Specifically, the acquiring module 202 is configured to acquire the required transmission bandwidth of the image to be transmitted and the effective bandwidth of a single transmission channel.

[0051] The determination module 204 is used to determine the number M of divisions of the image to be transmitted according to the effective bandwidth and the size of the required transmission bandwidth, wherein the required transmission bandwidth is greater than the effective bandwidth, and M is greater than 1 positive integer.

[0052] The segmentation module 206 is configured to divide the image to be transmitted into M sub-images based on the division number M, wherein the r...

no. 3 example

[0061] Such as Figure 8 As shown, the third embodiment of the present invention provides a video processing device 300 . The video processing device 300 includes an input card 301 , a matrix switching module 303 and a plurality of transmission channels 302 electrically connected between the input card 301 and the matrix switching module 303 . It should be noted that the video processing device 300 is, for example, a card-type video processing device, but this embodiment of the present invention is not limited thereto.

[0062] The input card 301 is integrated with the image transmission device 202 described in the second embodiment. Specifically, the image transmission apparatus 200 includes, for example: an acquisition module 202 , a determination module 204 , a segmentation module 206 , a cache module 208 and a sending module 210 . Specifically, the acquiring module 202 is configured to acquire the required transmission bandwidth of the image to be transmitted and the eff...

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Abstract

The embodiment of the invention discloses an image transmission method and device and video processing equipment. The method comprises the following steps: collecting a required transmission bandwidth of an image to be transmitted and an effective bandwidth of a single transmission channel; according to the size of the effective bandwidth and the size of the needed transmission bandwidth, the segmentation number M of the image to be transmitted is determined, the needed transmission bandwidth is larger than the effective bandwidth, and M is a positive integer larger than 1; based on the segmentation number M, the image to be transmitted is segmented into M sub-images, and the required transmission bandwidth of each sub-image is smaller than the effective bandwidth; caching the M sub-images; and sending the cached M sub-images to the M transmission channels according to respective output time sequences for transmission. According to the embodiment of the invention, the transmission of the to-be-transmitted image can be realized under the condition that the required transmission bandwidth of the to-be-transmitted image exceeds the effective bandwidth of a single transmission channel.

Description

technical field [0001] The present invention relates to the technical field of data transmission, in particular to an image transmission method, an image transmission device and a video processing device. Background technique [0002] With the development of video technology, the input interface of video processing equipment is required to support multiple video formats (for example, 4K×2k@30Hz, 1080P@60Hz, 720@P@60Hz, etc., for the format of 4K×2k@30Hz video and In other words, 4K×2k is the resolution of the video, and 30Hz is the frame rate of the video) input video, so the compatibility and processing capability of the input interface in the video processing device are very important. As the video resolution and frame rate increase, the data bandwidth required for video transmission will also increase. However, the effective bandwidth of a single transmission channel for video transmission is limited. When the required transmission bandwidth of the image to be transmitted...

Claims

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Application Information

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IPC IPC(8): H04N19/156H04N19/182H04N19/42
CPCH04N19/156H04N19/182H04N19/42
Inventor 刘恒周晶晶
Owner XIAN NOVASTAR TECH
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