Fig 1.
Technical composition and specific characteristics of BD (a is the technical composition; b is the characteristics).
Fig 2.
Classification algorithm of BD.
Fig 3.
Research process.
Table 1.
Design of research environment.
Fig 4.
Evaluation of the CNN-BD data analysis performance (a is UT-Zap50K data set; b is Ai2 data set; c is Kaggle woman’s shoe data set; d is Kaggle man’s shoe data set).
Fig 5.
Evaluation of model data labeling accuracy (a is UT-Zap50K dataset, b is Ai2 dataset, c is Kaggle woman’s shoe dataset, d is Kaggle man’s shoe dataset).
Fig 6.
Comparison results of model performance (a is UT-Zap50K dataset; b is Ai2 dataset; c is Kaggle woman’s shoe dataset; d is Kaggle man’s shoe dataset).
Fig 7.
Comparison of model performance.