Semantic Scalability using Tennis Videos as Examples
The semantic scalability is proposed that provides the scalable videos in semantic domain, and the tennis videos are used as the experiments
Abstract
Scalable video is the research topic to provide different size of video bitstream under different transmission bandwidth. In this paper, the semantic scalability is proposed that provides the scalable videos in semantic domain, and the tennis videos are used as the experiments. Contrary to decreasing the video quality to reduce the bitrates, the lower bitstream size is achieved by abandoning the video contents with less semantic importance. The experimental results show that the proposed semantic scalability provides four levels of the scalable videos and maintains the visual quality in watching the game video. For user study, evaluators identify the visual quality of semantic scalability is more acceptable and the game information is clearer than Scalable Video Coding. The proposed scalability in semantic domain provides a new aspect for the scalable video.
Paper Download
Jui-Hsin Lai and Shao-Yi Chien, “ Semantic Scalability Using Tennis Videos as Examples ”, Multimedia Tool and Applications (MTAP), Volume 59, Issue 2, 2012, Page 585-599.
Patents
Abstract
本發明有關於一種可根據頻寬速率調整影片内容的方 法&本發明係可根據頻寬速率調整影片内容，以提供不同 的衫片串流大小，如此，在低頻率速率下，觀賞者仍可欣 賞到高晝質的影片。
Abstract
A method for scaling video content based on bandwidth rate is disclosed. Wherein, a plurality of target shots and non-target shots are recognized from shots of a video. A background and at least one foreground object are separated from the video frame of the target shot. The present invention method provides a plurality of bandwidth levels, and one among them is selected in advance. At least one foreground object is selected and pasted on the background based on the selected bandwidth level, so as to obtain at least one recombined target shot. The recombined target shot, the non-target shot or other recombined target shot can be merged to form a recombined video unit based on the selected bandwidth level. Therefore, the present invention proposes video content of scalability based on bandwidth rate to provide the different video bit-stream size, so that viewer can get the high quality video under the lower bandwidth rate.
Demo Videos
Demo Video of French Open.
If you cannot see the video below, click the link https://www.youtube.com/embed/o05enHdtiuk
Demo Video of Australia Open.
If you cannot see the video below, click the link https://www.youtube.com/embed/5bNjXphZEVk
Demo Video of Wimbledon Open.
If you cannot see the video below, click the link https://www.youtube.com/embed/AR_ITDaDqF0
Demo Video of US Open.
If you cannot see the video below, click the link https://www.youtube.com/embed/CTU0IdXynO0