An environment-aware HTTP adaptive streaming media QoE optimization method

An adaptive streaming media and environment-aware technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems that do not take into account scene perception, etc., and achieve the effect of improving clarity, improving fluency, and improving user experience

Active Publication Date: 2019-01-22
XI AN JIAOTONG UNIV +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0007] The adjustment of adaptive video streaming media in the existing patented inventions is based on the adjustment of video quality based on the difference in bit rate and distortion, and the factor of scene perception is not considered

Method used

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  • An environment-aware HTTP adaptive streaming media QoE optimization method
  • An environment-aware HTTP adaptive streaming media QoE optimization method
  • An environment-aware HTTP adaptive streaming media QoE optimization method

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with accompanying drawing.

[0038] see figure 1 , the present invention comprises the following steps:

[0039] Step 1, first collect, process, and analyze environmental data through the mobile terminal application, and classify the environment according to the acceleration and sound data; the environmental perception data of the present invention mainly depends on the acceleration sensor and the sound sensor. The process of sensor data collection and file saving is as follows: when the students start watching the video, the program will start a new thread to collect sensor data, obtain the sensor type on the mobile phone through the corresponding API in the Android SDK, start the sensor collection thread and start monitoring the sensor at the same time events and write the data to files and save them on the SD card of the mobile phone. The thread collects once every 0.05 seconds, that is, the colle...

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Abstract

The invention discloses an environment-aware HTTP adaptive streaming media QoE optimization method, according to the environment data of the mobile phone video at the mobile terminal, the contributionof fluency to user experience and the contribution of Catton to user experience are calculated by environment data, at last, that QoE value of the video is calculated based on the environment perception accord to the contribution value of fluency to the user experience and the contribution value of Catton to the user experience. The method mainly considers the influence of environmental factors on the video, designs the environmental parameters based on the different tendency of human to the video in different environments, and uses the QoE model constituted by the environmental parameters toguide the algorithm of requesting video, and also has the double threshold algorithm and BOLA algorithm, so as to improve the user experience of watching video.

Description

technical field [0001] The invention belongs to the field of multimedia cloud computing, and in particular relates to an environment-aware HTTP adaptive streaming media QoE optimization method. Background technique [0002] With the development of mobile Internet technology, especially the popularity and performance improvement of mobile smart terminals, mobile video services have become popular, making the traffic of video services account for an increasing proportion of network services. Among them, HTTP Adaptive Streaming Media Technology (HAS) has become a hotspot in the research of video service technology due to its high penetration, high scalability and dynamic self-adaptation, and the concept of QoE is also proposed from the perspective of users on devices, networks, systems, and applications. Based on the subjective experience of the quality and performance of services or services, a more effective measurement index is proposed for video services. In addition, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2662H04N21/258H04N21/422H04N21/845H04L12/24H04L29/08
CPCH04L41/5009H04L67/02H04N21/25808H04N21/25891H04N21/2662H04N21/422H04N21/42202H04N21/8455H04N21/8456
Inventor 张未展张英鹏郑庆华柳俊全何浩王迎春李姝洁高翔赵敏李国斌高祥玉王雪松
Owner XI AN JIAOTONG UNIV
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