diff --git a/docs/imgs/data_aug_flow.bmp b/docs/imgs/data_aug_flow.bmp new file mode 100644 index 0000000000000000000000000000000000000000..50df63c992e98f94efdbb7e50c43cb2a16896e50 Binary files /dev/null and b/docs/imgs/data_aug_flow.bmp differ diff --git a/docs/imgs/data_aug_flow.png b/docs/imgs/data_aug_flow.png index 2cea3510d20d65b643a5092ec76de30215ca3d4a..9ed4cc5688df36960ef5ee405bd1eadc1b58d357 100644 Binary files a/docs/imgs/data_aug_flow.png and b/docs/imgs/data_aug_flow.png differ