Cars 数据集包含 196 类汽车的 16,185 张图像。数据分为 8,144 张训练图像和 8,041 张测试图像，其中每个类别大致分为 50-50 个分割。类通常处于制造、型号、年份级别，例如2012 特斯拉 Model S 或 2012 宝马 M3 轿跑车。

evaluation

   An evaluation server has been set up here. Instructions for the submission format are included in the devkit.  This dataset was featured as part of FGComp 2013, and competition results are directly comparable to results obtained from evaluating on images here.

Citation

   If you use this dataset, please cite the following paper:         
   3D Object Representations for Fine-Grained Categorization
    Jonathan Krause, Michael Stark, Jia Deng, Li Fei-Fei
    4th IEEE Workshop on 3D Representation and Recognition, at ICCV 2013 (3dRR-13). Sydney, Australia. Dec. 8, 2013.
     Note that the dataset, as released, has 196 categories, one less than in the paper, as it has been cleaned up slightly since publication. Numbers should be more or less comparable, though.

FAQ

     Q. Can this dataset be used for commercial purposes?          
     A: This dataset is for research purposes only, similar to the ImageNet license.        

Contact

     ude.drofnats.sc@esuarkj