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Image loading method and device

A picture loading and picture technology, applied in the field of network communication, can solve the problems of ineffective use of network bandwidth, lower picture download efficiency, waste of network bandwidth, etc., and achieve the goal of improving picture download speed, improving picture download speed, and effective network bandwidth Effect

Inactive Publication Date: 2017-07-07
TVM BEIJING EDUCATION SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Although this method can make the picture cache more reasonable and efficient, there is also a problem. When the teacher switches to one of the pictures, since only a few of the student-side devices have already cached the picture, most of the remaining devices need to Download the picture at the same time quickly and display it. If it is not controlled according to the current network conditions, it will inevitably cause network congestion, reduce the efficiency of downloading pictures, and cannot effectively use network bandwidth, resulting in a waste of network bandwidth.

Method used

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  • Image loading method and device
  • Image loading method and device

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Embodiment Construction

[0070] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0071] The invention provides a picture loading method, such as figure 1 shown, including the following steps:

[0072] Step S101, receiving a picture switching command from the master device, where the picture switching command includes the identification of the current picture;

[0073] Step S102, determining the number of first secondary devices that have not cached the current picture;

[0074] Step S103, according to the quantity and the current network traffic value, control the first secondary device to download the current picture.

[0075] Adopting the technical solution of the present invention, when the main device side switches pictures, in the case th...

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Abstract

The invention discloses a picture loading method and device, which are used to improve the download speed of pictures by controlling network traffic. The method includes: receiving a picture switching instruction from a primary device, where the picture switching instruction includes an identifier of the current picture; determining the number of first secondary devices that do not cache the current picture; The first secondary device downloads the current picture. The device is controlled according to the current network conditions and the number of devices that need to download pictures, so that the device can download the pictures to be displayed first, and at the same time, it can more effectively use the network bandwidth, improve the picture download speed, and avoid network congestion.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a picture loading method and device. Background technique [0002] In applications such as teaching or exhibitions, it is usually necessary for multiple devices to download pictures from the server at the same time for viewing. Taking the teaching scene as an example, the teacher opens the PPT or Word lesson plan, and when the teacher browses the picture on his own device, the student device will automatically download the picture from the server along with the teacher's device for browsing. This method for multiple devices to download pictures in real time is likely to cause network congestion and slow picture download speed. [0003] To solve this problem, multiple devices can first cache the pictures in the server in the background. When the teacher opens the PPT or word lesson plan, the device on the student side will cache the pictures sequentially according ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/445H04L12/24H04L29/06
Inventor 张俊丰
Owner TVM BEIJING EDUCATION SCI & TECH CO LTD
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