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Model loading using YOLOv10PGT added, and pgt_coeff is now a cfg parameter

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nielseni6 2024-10-23 20:28:51 -04:00
parent 943a333fae
commit 9524af3bfe
12 changed files with 121 additions and 38 deletions
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46
run_pgt_train.py
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@ -1,35 +1,43 @@
from ultralytics import YOLOv10, YOLO
from ultralytics import YOLOv10, YOLO, YOLOv10PGT
# from ultralytics.engine.pgt_trainer import PGTTrainer
import os
from ultralytics.models.yolo.segment import PGTSegmentationTrainer
import argparse
from datetime import datetime
import torch
# nohup python run_pgt_train.py --device 0 > ./output_logs/gpu0_yolov10_pgt_train.log 2>&1 &
def main(args):
# model = YOLOv10()
model = YOLOv10PGT('yolov10n.pt')
model.train(
data=args.data_yaml,
epochs=args.epochs,
batch=args.batch_size,
# amp=False,
# pgt_coeff=1.5,
# cfg='pgt_train.yaml', # Load and train model with the config file
)
# If you want to finetune the model with pretrained weights, you could load the
# pretrained weights like below
# pretrained weights like below
# model = YOLOv10.from_pretrained('jameslahm/yolov10{n/s/m/b/l/x}')
# or
# wget https://github.com/THU-MIG/yolov10/releases/download/v1.1/yolov10{n/s/m/b/l/x}.pt
# model = YOLOv10('yolov10n.pt', task='segment')
# model = YOLOv10('yolov10n.pt', task='segment')
args_dict = dict(
model='yolov10n.pt',
data=args.data_yaml,
epochs=args.epochs, batch=args.batch_size,
# pgt_coeff=5.0,
# cfg = 'pgt_train.yaml', # This can be edited for full control of the training process
)
trainer = PGTSegmentationTrainer(overrides=args_dict)
trainer.train(
# debug=True,
# args = dict(pgt_coeff=0.1), # Should add later to config
)
# args_dict = dict(
# model='yolov10n.pt',
# data=args.data_yaml,
# epochs=args.epochs, batch=args.batch_size,
# # pgt_coeff=5.0,
# # cfg = 'pgt_train.yaml', # This can be edited for full control of the training process
# )
# trainer = PGTSegmentationTrainer(overrides=args_dict)
# trainer.train(
# # debug=True,
# # args = dict(pgt_coeff=0.1), # Should add later to config
# )
# Create a directory to save model weights if it doesn't exist
model_weights_dir = 'model_weights'
@ -40,10 +48,12 @@ def main(args):
current_time = datetime.now().strftime('%Y%m%d_%H%M%S')
data_yaml_base = os.path.splitext(os.path.basename(args.data_yaml))[0]
model_save_path = os.path.join(model_weights_dir, f'yolov10_{data_yaml_base}_trained_{current_time}.pt')
trainer.model.save(model_save_path)
model.save(model_save_path)
# torch.save(trainer.model.state_dict(), model_save_path)
# Evaluate the model on the validation set
results = trainer.val(data=args.data_yaml)
results = model.val(data=args.data_yaml)
# Print the evaluation results
print(results)

5
ultralytics/__init__.py
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@ -3,7 +3,7 @@
__version__ = "8.1.34"
from ultralytics.data.explorer.explorer import Explorer
from ultralytics.models import RTDETR, SAM, YOLO, YOLOWorld, YOLOv10
from ultralytics.models import RTDETR, SAM, YOLO, YOLOWorld, YOLOv10, YOLOv10PGT
from ultralytics.models.fastsam import FastSAM
from ultralytics.models.nas import NAS
from ultralytics.utils import ASSETS, SETTINGS as settings
@ -23,5 +23,6 @@ __all__ = (
"download",
"settings",
"Explorer",
"YOLOv10"
"YOLOv10",
"YOLOv10PGT",
)

1
ultralytics/cfg/default.yaml
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@ -41,6 +41,7 @@ overlap_mask: True # (bool) masks should overlap during training (segment train
mask_ratio: 4 # (int) mask downsample ratio (segment train only)
# Classification
dropout: 0.0 # (float) use dropout regularization (classify train only)
pgt_coeff: 2.0 # (float) PGT loss coefficient
# Val/Test settings ----------------------------------------------------------------------------------------------------
val: True # (bool) validate/test during training

1
ultralytics/cfg/pgt_train.yaml
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@ -41,6 +41,7 @@ overlap_mask: True # (bool) masks should overlap during training (segment train
mask_ratio: 4 # (int) mask downsample ratio (segment train only)
# Classification
dropout: 0.0 # (float) use dropout regularization (classify train only)
pgt_coeff: 1.0 # (float) PGT loss coefficient
# Val/Test settings ----------------------------------------------------------------------------------------------------
val: True # (bool) validate/test during training

8
ultralytics/engine/model.py
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@ -668,9 +668,10 @@ class Model(nn.Module):
self.metrics = getattr(self.trainer.validator, "metrics", None) # TODO: no metrics returned by DDP
return self.metrics
def train_pgt(
def train_pgt( # Currently unused, but should be considered if changes to the train function are made
self,
trainer=None,
debug=False,
**kwargs,
):
"""
@ -733,7 +734,10 @@ class Model(nn.Module):
pass
self.trainer.hub_session = self.session # attach optional HUB session
self.trainer.train()
if debug:
self.trainer.train(debug=debug)
else:
self.trainer.train()
# Update model and cfg after training
if RANK in (-1, 0):
ckpt = self.trainer.best if self.trainer.best.exists() else self.trainer.last

4
ultralytics/models/__init__.py
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@ -3,6 +3,6 @@
from .rtdetr import RTDETR
from .sam import SAM
from .yolo import YOLO, YOLOWorld
from .yolov10 import YOLOv10
from .yolov10 import YOLOv10, YOLOv10PGT
__all__ = "YOLO", "RTDETR", "SAM", "YOLOWorld", "YOLOv10" # allow simpler import
__all__ = "YOLO", "RTDETR", "SAM", "YOLOWorld", "YOLOv10", "YOLOv10PGT" # allow simpler import

13
ultralytics/models/yolo/segment/pgt_train.py
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@ -5,9 +5,18 @@ from copy import copy
from ultralytics.models import yolo
from ultralytics.nn.tasks import SegmentationModel, DetectionModel
from ultralytics.utils import DEFAULT_CFG, RANK
# from ultralytics.utils import yaml_load, IterableSimpleNamespace, ROOT
from ultralytics.utils.plotting import plot_images, plot_results
from ultralytics.models.yolov10.model import YOLOv10DetectionModel, YOLOv10PGTDetectionModel
from ultralytics.models.yolov10.val import YOLOv10DetectionValidator, YOLOv10PGTDetectionValidator
from ultralytics.models.yolov10.model import YOLOv10PGTDetectionModel
from ultralytics.models.yolov10.val import YOLOv10PGTDetectionValidator
# # Default configuration
# DEFAULT_CFG_DICT = yaml_load(ROOT / "cfg/pgt_train.yaml")
# for k, v in DEFAULT_CFG_DICT.items():
# if isinstance(v, str) and v.lower() == "none":
# DEFAULT_CFG_DICT[k] = None
# DEFAULT_CFG_KEYS = DEFAULT_CFG_DICT.keys()
# DEFAULT_CFG = IterableSimpleNamespace(**DEFAULT_CFG_DICT)
class PGTSegmentationTrainer(yolo.detect.PGTDetectionTrainer):
"""

4
ultralytics/models/yolov10/__init__.py
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@ -1,5 +1,5 @@
from .model import YOLOv10
from .model import YOLOv10, YOLOv10PGT
from .predict import YOLOv10DetectionPredictor
from .val import YOLOv10DetectionValidator
__all__ = "YOLOv10DetectionPredictor", "YOLOv10DetectionValidator", "YOLOv10"
__all__ = "YOLOv10DetectionPredictor", "YOLOv10DetectionValidator", "YOLOv10", "YOLOv10PGT"

33
ultralytics/models/yolov10/model.py
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@ -4,6 +4,7 @@ from .val import YOLOv10DetectionValidator
from .predict import YOLOv10DetectionPredictor
from .train import YOLOv10DetectionTrainer
from .pgt_train import YOLOv10PGTDetectionTrainer
# from ..yolo.segment import PGTSegmentationTrainer
# from .pgt_trainer import YOLOv10DetectionTrainer
from huggingface_hub import PyTorchModelHubMixin
@ -36,4 +37,36 @@ class YOLOv10(Model, PyTorchModelHubMixin, model_card_template=card_template_tex
"validator": YOLOv10DetectionValidator,
"predictor": YOLOv10DetectionPredictor,
},
}
def _get_pgt_segmentation_trainer():
from ..yolo.segment import PGTSegmentationTrainer
return PGTSegmentationTrainer
class YOLOv10PGT(Model, PyTorchModelHubMixin, model_card_template=card_template_text):
def __init__(self, model="yolov10n.pt", task=None, verbose=False,
names=None):
super().__init__(model=model, task=task, verbose=verbose)
if names is not None:
setattr(self.model, 'names', names)
def push_to_hub(self, repo_name, **kwargs):
config = kwargs.get('config', {})
config['names'] = self.names
config['model'] = self.model.yaml['yaml_file']
config['task'] = self.task
kwargs['config'] = config
super().push_to_hub(repo_name, **kwargs)
@property
def task_map(self):
"""Map head to model, trainer, validator, and predictor classes."""
return {
"detect": {
"model": YOLOv10DetectionModel,
"trainer": _get_pgt_segmentation_trainer(),
"validator": YOLOv10DetectionValidator,
"predictor": YOLOv10DetectionPredictor,
},
}

2
ultralytics/nn/tasks.py
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@ -654,7 +654,7 @@ class YOLOv10DetectionModel(DetectionModel):
class YOLOv10PGTDetectionModel(DetectionModel):
def init_criterion(self):
return v10PGTDetectLoss(self)
return v10PGTDetectLoss(self, pgt_coeff=self.args.pgt_coeff if hasattr(self.args, 'pgt_coeff') else None)
class Ensemble(nn.ModuleList):
"""Ensemble of models."""

14
ultralytics/utils/loss.py
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@ -727,12 +727,14 @@ class v10DetectLoss:
return loss_one2many[0] + loss_one2one[0], torch.cat((loss_one2many[1], loss_one2one[1]))
class v10PGTDetectLoss:
def __init__(self, model, pgt_coeff=3.0):
def __init__(self, model, pgt_coeff):
self.one2many = v8DetectionLoss(model, tal_topk=10)
self.one2one = v8DetectionLoss(model, tal_topk=1)
self.pgt_coeff = pgt_coeff
self.pgt_coeff = pgt_coeff if pgt_coeff is not None else 2.0
def __call__(self, preds, batch, return_plaus=True, inference=False):
def __call__(self, preds, batch, return_plaus=True, pgt_coeff=None):
if pgt_coeff is not None:
self.pgt_coeff = pgt_coeff
batch['img'] = batch['img'].requires_grad_(True)
one2many = preds["one2many"]
loss_one2many = self.one2many(one2many, batch)
@ -743,11 +745,6 @@ class v10PGTDetectLoss:
if return_plaus:
smask = get_dist_reg(batch['img'], batch['masks'])#.requires_grad_(True)
# graph = False if inference else True
# grad = torch.autograd.grad(loss, batch['img'],
# retain_graph=True,
# create_graph=graph,
# )[0]
try:
grad = torch.autograd.grad(loss, batch['img'],
retain_graph=True,
@ -764,6 +761,7 @@ class v10PGTDetectLoss:
plaus_loss = plaus_loss_fn(grad, smask, self.pgt_coeff)
# self.loss_items = torch.cat((self.loss_items, plaus_loss.unsqueeze(0)))
loss += plaus_loss
return loss, torch.cat((loss_one2many[1], loss_one2one[1], plaus_loss.unsqueeze(0)))

28
ultralytics/utils/plaus_functs.py
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@ -39,8 +39,11 @@ def get_dist_reg(images, seg_mask):
kernel_size += 1
seg_mask1 = T.GaussianBlur(kernel_size=(kernel_size, kernel_size), sigma=sigma)(seg_mask)
if torch.max(seg_mask1) > 1.0:
seg_mask1 = (seg_mask1 - seg_mask1.min()) / (seg_mask1.max() - seg_mask1.min())
# seg_mask1 = (seg_mask1 - seg_mask1.min()) / (seg_mask1.max() - seg_mask1.min())
seg_mask1 = normalize_tensor(seg_mask1)
smask = torch.max(smask, seg_mask1)
smask = normalize_tensor(smask)
return smask
def get_gradient(img, grad_wrt, norm=False, absolute=True, grayscale=False, keepmean=False):
@ -374,6 +377,29 @@ def normalize_batch(x):
return x_
def normalize_batch_nonan(x):
"""
Normalize a batch of tensors along each channel.
Args:
x (torch.Tensor): Input tensor of shape (batch_size, channels, height, width).
Returns:
torch.Tensor: Normalized tensor of the same shape as the input.
"""
mins = torch.zeros((x.shape[0], *(1,)*len(x.shape[1:])), device=x.device)
maxs = torch.zeros((x.shape[0], *(1,)*len(x.shape[1:])), device=x.device)
x_ = torch.zeros_like(x)
for i in range(x.shape[0]):
if torch.all(x[i] == 0):
x_[i] = x[i]
else:
mins[i] = x[i].min()
maxs[i] = x[i].max()
x_[i] = (x[i] - mins[i]) / (maxs[i] - mins[i])
return x_
def get_detections(model_clone, img):
"""
Get detections from a model given an input image and targets.