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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2406.16042 |
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| _version_ | 1866910103626579968 |
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| author | Kim, Inès Hyeonsu Jin, Woojeong Son, Soowon Seo, Junyoung Cho, Seokju Baek, JeongYeol Lee, Byeongwon Lee, JoungBin Kim, Seungryong |
| author_facet | Kim, Inès Hyeonsu Jin, Woojeong Son, Soowon Seo, Junyoung Cho, Seokju Baek, JeongYeol Lee, Byeongwon Lee, JoungBin Kim, Seungryong |
| contents | Person re-identification (Re-ID) often faces challenges due to variations in human poses and camera viewpoints, which significantly affect the appearance of individuals across images. Existing datasets frequently lack diversity and scalability in these aspects, hindering the generalization of Re-ID models to new camera systems or environments. To overcome this, we propose Pose-dIVE, a novel data augmentation approach that incorporates sparse and underrepresented human pose and camera viewpoint examples into the training data, addressing the limited diversity in the original training data distribution. Our objective is to augment the training dataset to enable existing Re-ID models to learn features unbiased by human pose and camera viewpoint variations. By conditioning the diffusion model on both the human pose and camera viewpoint through the SMPL model, our framework generates augmented training data with diverse human poses and camera viewpoints. Experimental results demonstrate the effectiveness of our method in addressing human pose bias and enhancing the generalizability of Re-ID models compared to other data augmentation-based Re-ID approaches. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_16042 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Pose-dIVE: Pose-Diversified Augmentation with Diffusion Model for Person Re-Identification Kim, Inès Hyeonsu Jin, Woojeong Son, Soowon Seo, Junyoung Cho, Seokju Baek, JeongYeol Lee, Byeongwon Lee, JoungBin Kim, Seungryong Computer Vision and Pattern Recognition Person re-identification (Re-ID) often faces challenges due to variations in human poses and camera viewpoints, which significantly affect the appearance of individuals across images. Existing datasets frequently lack diversity and scalability in these aspects, hindering the generalization of Re-ID models to new camera systems or environments. To overcome this, we propose Pose-dIVE, a novel data augmentation approach that incorporates sparse and underrepresented human pose and camera viewpoint examples into the training data, addressing the limited diversity in the original training data distribution. Our objective is to augment the training dataset to enable existing Re-ID models to learn features unbiased by human pose and camera viewpoint variations. By conditioning the diffusion model on both the human pose and camera viewpoint through the SMPL model, our framework generates augmented training data with diverse human poses and camera viewpoints. Experimental results demonstrate the effectiveness of our method in addressing human pose bias and enhancing the generalizability of Re-ID models compared to other data augmentation-based Re-ID approaches. |
| title | Pose-dIVE: Pose-Diversified Augmentation with Diffusion Model for Person Re-Identification |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2406.16042 |