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| description |
keywords |
| Explore how to use the on-train, on-validation, on-pretrain, and on-predict callbacks in Ultralytics. Learn to update params, save models, and add integration callbacks. |
Ultralytics, Callbacks, On-train, On-validation, On-pretrain, On-predict, Parameters update, Model saving, Integration callbacks |
on_pretrain_routine_start
::: ultralytics.utils.callbacks.base.on_pretrain_routine_start
on_pretrain_routine_end
::: ultralytics.utils.callbacks.base.on_pretrain_routine_end
on_train_start
::: ultralytics.utils.callbacks.base.on_train_start
on_train_epoch_start
::: ultralytics.utils.callbacks.base.on_train_epoch_start
on_train_batch_start
::: ultralytics.utils.callbacks.base.on_train_batch_start
optimizer_step
::: ultralytics.utils.callbacks.base.optimizer_step
on_before_zero_grad
::: ultralytics.utils.callbacks.base.on_before_zero_grad
on_train_batch_end
::: ultralytics.utils.callbacks.base.on_train_batch_end
on_train_epoch_end
::: ultralytics.utils.callbacks.base.on_train_epoch_end
on_fit_epoch_end
::: ultralytics.utils.callbacks.base.on_fit_epoch_end
on_model_save
::: ultralytics.utils.callbacks.base.on_model_save
on_train_end
::: ultralytics.utils.callbacks.base.on_train_end
on_params_update
::: ultralytics.utils.callbacks.base.on_params_update
teardown
::: ultralytics.utils.callbacks.base.teardown
on_val_start
::: ultralytics.utils.callbacks.base.on_val_start
on_val_batch_start
::: ultralytics.utils.callbacks.base.on_val_batch_start
on_val_batch_end
::: ultralytics.utils.callbacks.base.on_val_batch_end
on_val_end
::: ultralytics.utils.callbacks.base.on_val_end
on_predict_start
::: ultralytics.utils.callbacks.base.on_predict_start
on_predict_batch_start
::: ultralytics.utils.callbacks.base.on_predict_batch_start
on_predict_batch_end
::: ultralytics.utils.callbacks.base.on_predict_batch_end
on_predict_postprocess_end
::: ultralytics.utils.callbacks.base.on_predict_postprocess_end
on_predict_end
::: ultralytics.utils.callbacks.base.on_predict_end
on_export_start
::: ultralytics.utils.callbacks.base.on_export_start
on_export_end
::: ultralytics.utils.callbacks.base.on_export_end
get_default_callbacks
::: ultralytics.utils.callbacks.base.get_default_callbacks
add_integration_callbacks
::: ultralytics.utils.callbacks.base.add_integration_callbacks
