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TRI-ML / dd3d

Official PyTorch implementation of DD3D: Is Pseudo-Lidar needed for Monocular 3D Object detection? (ICCV 2021), Dennis Park*, Rares Ambrus*, Vitor Guizilini, Jie Li, and Adrien Gaidon.

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What meaning of @ in defaults.yaml?

chensi1122 opened this issue · comments

commented

Can someone tell me the meaning of @ in defaults.yaml？ I can't found its role.
Thanks!

commented

The @ sign is used to indicate specific configuration sections to be loaded or referenced from other parts of the system. This means that a particular key or section is assigned to a specific module or component.

e.g.
train_datasets@DATASETS.TRAIN: means that train_datasets should be configured according to the settings defined in DATASETS.TRAIN.

The @ sign allows you to configure your system hierarchically and modularly. For example, you can have a general configuration in one file and detailed, case-specific configurations in others, and combine them using @.

You could say that it's such a more advanced key-value separator, although not exactly.