# CVDL2020 Fine-Grained Classification Task — Data

来源：https://www.kaggle.com/competitions/cvdl2020bird/data

采集时间：2026-10-24T03:09:25Z

File descriptions
train.csv
- the training set annotation
valid.csv
- the validation set annotation
train.zip
- the test set
valid.zip
- the validation set
test.zip
- the test set
sampleSubmission.csv
- a sample submission file in the correct format
Data fields
ID
Image ID, 5bits
Category
Image Category, 0~179 for 180 categories
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