Support for the CULane dataset 支持 CULane 数据集

[OpenMMLab-Assistant-004]

Support for the CULane dataset

支持 CULane 数据集

Issue with requirements: [open-mmlab/mmsegmentation#3160](https://github.com/open-mmlab/mmsegmentation/issues/3160](https://github.com/open-mmlab/mmsegmentation/issues/3160))

1. need to complete dataset preparation documentation
2. Need to complete dataset transformation script to generate pixel-level annotations

Dataset home page: [https://xingangpan.github.io/projects/CULane.html](https://xingangpan.github.io/projects/CULane.html](https://xingangpan.github.io/projects/CULane.html))
[https://github.com/XingangPan/seg_label_generate](https://github.com/XingangPan/seg_label_generate](https://github.com/XingangPan/seg_label_generate))

提出需求的 issue: [open-mmlab/mmsegmentation#3160](https://github.com/open-mmlab/mmsegmentation/issues/3160](https://github.com/open-mmlab/mmsegmentation/issues/3160))

1. 需要完成数据集准备文档
2. 需要完成数据集转换脚本，生成像素级标注
   数据集主页：[https://xingangpan.github.io/projects/CULane.html](https://xingangpan.github.io/projects/CULane.html](https://xingangpan.github.io/projects/CULane.html))
   [https://github.com/XingangPan/seg_label_generate](https://github.com/XingangPan/seg_label_generate](https://github.com/XingangPan/seg_label_generate))

Task Information

Repository：MMSegmentation

Difficulty：Medium

Points：30

Estimated Time Consumption：14 days

Task Status

Claimant's Github ID：None

Claim Time：None

PR Link：None

Points to Note

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