Validator
All task Validators are inherited from BaseValidator
class that contains the model validation routine boilerplate. You can override any function of these Trainers to suit your needs.
BaseValidator API Reference
BaseValidator
A base class for creating validators.
Attributes:
Name | Type | Description |
---|---|---|
dataloader |
DataLoader
|
Dataloader to use for validation. |
pbar |
tqdm
|
Progress bar to update during validation. |
logger |
logging.Logger
|
Logger to use for validation. |
args |
OmegaConf
|
Configuration for the validator. |
model |
nn.Module
|
Model to validate. |
data |
dict
|
Data dictionary. |
device |
torch.device
|
Device to use for validation. |
batch_i |
int
|
Current batch index. |
training |
bool
|
Whether the model is in training mode. |
speed |
float
|
Batch processing speed in seconds. |
jdict |
dict
|
Dictionary to store validation results. |
save_dir |
Path
|
Directory to save results. |
Source code in ultralytics/yolo/engine/validator.py
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__call__(trainer=None, model=None)
Supports validation of a pre-trained model if passed or a model being trained if trainer is passed (trainer gets priority).
Source code in ultralytics/yolo/engine/validator.py
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__init__(dataloader=None, save_dir=None, pbar=None, logger=None, args=None)
Initializes a BaseValidator instance.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
dataloader |
torch.utils.data.DataLoader
|
Dataloader to be used for validation. |
None
|
save_dir |
Path
|
Directory to save results. |
None
|
pbar |
tqdm.tqdm
|
Progress bar for displaying progress. |
None
|
logger |
logging.Logger
|
Logger to log messages. |
None
|
args |
OmegaConf
|
Configuration for the validator. |
None
|