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| Content Provider | ACM Digital Library |
|---|---|
| Author | Mei, Tao Zhu, Cai-Zhi Hua, Xian-Sheng Zhou, He-Qin |
| Abstract | Compared with the video programs taken by professionals, home videos are always with low-quality content resulted from lack of professional capture skills. In this paper, we present a novel spatio-temporal quality assessment scheme in terms of low-level content features for home videos. In contrast to existing frame-level-based quality assessment approaches, a type of temporal segment of video, sub-shot, is selected as the basic unit for quality assessment. A set of spatio-temporal artifacts, regarded as the key factors affecting the overall perceived quality (i.e. unstableness, jerkiness, infidelity, blurring, brightness and orientation), are mined from each sub-shot based on the particular characteristics of home videos. The relationship between the overall quality metric and these factors are exploited by three different methods, including user study, factor fusion, and a learning-based scheme. To validate the proposed scheme, we present a scalable quality-based home video summarization system, aiming at achieving the best quality while simultaneously preserving the most informative content. A comparison user study between this system and the attention model based video skimming approach demonstrated the effectiveness of the proposed quality assessment scheme. |
| Starting Page | 439 |
| Ending Page | 442 |
| Page Count | 4 |
| File Format | |
| ISBN | 1595930442 |
| DOI | 10.1145/1101149.1101246 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2005-11-06 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Video content analysis Video summarization Quality assessment |
| Content Type | Text |
| Resource Type | Article |
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