Human-centric perceptions (e.g., pose estimation, human parsing, pedestrian
detection, person re-identification, etc.) play a key role in industrial
applications of visual models. While specific human-centric tasks have their
own relevant semantic aspect to focus on, they also share the same underlying
semantic structure of the human body. However, few works have attempted to
exploit such homogeneity and design a general-propose model for human-centric
tasks. In this work, we revisit a broad range of human-centric tasks and unify
them in a minimalist manner. We propose UniHCP, a Unified Model for
Human-Centric Perceptions, which unifies a wide range of human-centric tasks in
a simplified end-to-end manner with the plain vision transformer architecture.
With large-scale joint training on 33 human-centric datasets, UniHCP can
outperform strong baselines on several in-domain and downstream tasks by direct
evaluation. When adapted to a specific task, UniHCP achieves new SOTAs on a
wide range of human-centric tasks, e.g., 69.8 mIoU on CIHP for human parsing,
86.18 mA on PA-100K for attribute prediction, 90.3 mAP on Market1501 for ReID,
and 85.8 JI on CrowdHuman for pedestrian detection, performing better than
specialized models tailored for each task.

本文提出了 UniHCP，一个使用简化的端到端模式和平面视觉转换器架构，将广泛的以人为中心的任务统一起来的集成模型，通过在 33 个数据集上进行大规模联合训练，在多个领域和下游任务上直接评估优于强基线结果，在适应特定任务时，UniHCP 在多种以人为中心的任务上取得新的最佳性能。