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Patent

Video playing method, apparatus and system

Zhou Liuqing
TLDR
In this paper, a video playing method for low-bandwidth networks is described, in which a video program identifier and a video quality index value of the local video are sent to a video server, and the video for compensation and audio for compensation are received from the video server.
Abstract
The invention discloses a video playing method and apparatus, a video compensation method and apparatus, and a video playing system. The video playing method comprises the steps: according to a video program identifier of a video to be played, acquiring a local video which is pre-stored in the local and conforms to the video program identifier; sending the video program identifier and a video quality index value of the local video to a video server, and requesting a video for compensation and an audio for compensation; receiving the video for compensation and/or the audio for compensation looped back from the video server; and overlaying the video for compensation and/or the audio for compensation in the local video, and playing the local video after compensation. The video playing method can play video with high video quality under lower network bandwidth so as to save the network bandwidth.

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Patent

Live video broadcasting method, system and terminal equipment

Wang Yun, +1 more
TL;DR: In this paper, a live video broadcasting method consisting of a cloud broadcasting instruction system pulls a live streaming stream from a content providing server, a backup video stream pushed by a recording system is received through a local area network, and when an abnormality is determined to happen to the live broadcasting stream, the backup video streams are used for live broadcasting.
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Patent

Systems and methods for real-time multimedia communication across multiple standards and proprietary devices

TL;DR: In this article, a new approach is proposed that contemplates systems and methods to support the operation of a Virtual Media Room or Virtual Meeting Room (VMR), wherein each VMR can accept from a plurality of participants at different geographic locations a variety of video conferencing feeds from video conference endpoints that can be either proprietary or standards-based.
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A method for recovery of the video transfer signal error

Xueming Qian, +1 more
TL;DR: In this paper, a restore method to improve final television picture image quality, which comprises the following steps: a, firstly decoder resolves visual frequency bit flow content; then processing error test on error test unit on comparison codes; when testing codes flow error then labeling the error information; then determining connection area to get error connection area number and each area error MB number; then according to each error area outer boundary reference intensity to determine restore order and researching the best substitution modules according to signal computation and weight method; finally displaying the restored visual content.
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Self-adaptive bottom video mining method based on contrast resolution compensation

TL;DR: In this article, a self-adaptive bottom video mining method based on contrast resolution compensation is proposed, where the contrast is replaced by sacrificing the information quantity that can not be sensed by human vision so as to mine the main information that is arranged in photos and can be sensed in human vision conveniently.