Dear Jing Liu,
The segmentation annotation files are provided with the training data, but they are not provided with the validation or test datasets. Please see here for more details:
https://physionetchallenges.org/2022/#data-formatBest,
Matt
(On behalf of the Challenge team.)
https://PhysioNetChallenges.org/https://PhysioNet.org/Please post questions and comments in the forum. However, if your question reveals information about your entry, then please email challenge at
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