Support ExLPose Dataset 支持 ExLPose 数据集

[OpenMMLab-Assistant-004]

Support ExLPose Dataset

支持 ExLPose 数据集

To add support for the ExLPose dataset in MMPose, you can refer to the PR content for LaPa dataset support at PR.](https://github.com/open-mmlab/mmpose/pull/2281/files#diff-d2444f1da61a66d988361e245dd566fc61bd775f19d41c236d4a2349579bc495).)
Requirements:

1. Complete unit tests.Validate training on the Heatmap algorithm to ensure successful dataset support.
2. Provide trained checkpoints and training logs.
3. Please refer to the ExLPose dataset at page](http://cg.postech.ac.kr/research/ExLPose/)) for further details.

参考 ExLPose](http://cg.postech.ac.kr/research/ExLPose/)) ，为 MMPose 增加该数据集的支持，可以参考 LaPa 数据集支持的 PR 内容](https://github.com/open-mmlab/mmpose/pull/2281/files#diff-d2444f1da61a66d988361e245dd566fc61bd775f19d41c236d4a2349579bc495))

1. 要求完成单元测试
2. 需要在 Heatmap 算法上验证训练，确保数据集支持成功，提供训练好的 ckpt 和训练日志

Task Information

Repository：MMPose

Difficulty：Hard

Points：50

Estimated Time Consumption：28 days

Task Status

Claimant's Github ID：Yang-Changhui

Claim Time：2023年09月26日

PR Link：open-mmlab/mmpose#2778

Points to Note

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