Image Comes Dancing with Collaborative Parsing-Flow Video Synthesis

• URL: http://arxiv.org/abs/2110.14147v2
• Date: Thu, 28 Oct 2021 03:08:58 GMT
• Title: Image Comes Dancing with Collaborative Parsing-Flow Video Synthesis
• Authors: Bowen Wu, Zhenyu Xie, Xiaodan Liang, Yubei Xiao, Haoye Dong, Liang Lin
• Abstract summary: Transfering human motion from a source to a target person poses great potential in computer vision and graphics applications. Previous work has either relied on crafted 3D human models or trained a separate model specifically for each target person. This work studies a more general setting, in which we aim to learn a single model to parsimoniously transfer motion from a source video to any target person.
• Score: 124.48519390371636
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Transferring human motion from a source to a target person poses great potential in computer vision and graphics applications. A crucial step is to manipulate sequential future motion while retaining the appearance characteristic.Previous work has either relied on crafted 3D human models or trained a separate model specifically for each target person, which is not scalable in practice.This work studies a more general setting, in which we aim to learn a single model to parsimoniously transfer motion from a source video to any target person given only one image of the person, named as Collaborative Parsing-Flow Network (CPF-Net). The paucity of information regarding the target person makes the task particularly challenging to faithfully preserve the appearance in varying designated poses. To address this issue, CPF-Net integrates the structured human parsing and appearance flow to guide the realistic foreground synthesis which is merged into the background by a spatio-temporal fusion module. In particular, CPF-Net decouples the problem into stages of human parsing sequence generation, foreground sequence generation and final video generation. The human parsing generation stage captures both the pose and the body structure of the target. The appearance flow is beneficial to keep details in synthesized frames. The integration of human parsing and appearance flow effectively guides the generation of video frames with realistic appearance. Finally, the dedicated designed fusion network ensure the temporal coherence. We further collect a large set of human dancing videos to push forward this research field. Both quantitative and qualitative results show our method substantially improves over previous approaches and is able to generate appealing and photo-realistic target videos given any input person image. All source code and dataset will be released at https://github.com/xiezhy6/CPF-Net.

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