A Unified Framework for Shot Type Classification Based on Subject Centric Lens

• URL: http://arxiv.org/abs/2008.03548v1
• Date: Sat, 8 Aug 2020 15:49:40 GMT
• Title: A Unified Framework for Shot Type Classification Based on Subject Centric Lens
• Authors: Anyi Rao, Jiaze Wang, Linning Xu, Xuekun Jiang, Qingqiu Huang, Bolei Zhou, Dahua Lin
• Abstract summary: We propose a learning framework for shot type recognition using Subject Guidance Network (SGNet) SGNet separates the subject and background of a shot into two streams, serving as separate guidance maps for scale and movement type classification respectively. We build a large-scale dataset MovieShots, which contains 46K shots from 7K movie trailers with annotations of their scale and movement types.
• Score: 89.26211834443558
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Shots are key narrative elements of various videos, e.g. movies, TV series, and user-generated videos that are thriving over the Internet. The types of shots greatly influence how the underlying ideas, emotions, and messages are expressed. The technique to analyze shot types is important to the understanding of videos, which has seen increasing demand in real-world applications in this era. Classifying shot type is challenging due to the additional information required beyond the video content, such as the spatial composition of a frame and camera movement. To address these issues, we propose a learning framework Subject Guidance Network (SGNet) for shot type recognition. SGNet separates the subject and background of a shot into two streams, serving as separate guidance maps for scale and movement type classification respectively. To facilitate shot type analysis and model evaluations, we build a large-scale dataset MovieShots, which contains 46K shots from 7K movie trailers with annotations of their scale and movement types. Experiments show that our framework is able to recognize these two attributes of shot accurately, outperforming all the previous methods.

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