xdobro23/YOLOv8-16bit
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ultralytics 8.0.89 SAM predict and auto-annotate (#2298)

Browse Source 
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Yonghye Kwon <developer.0hye@gmail.com>
Co-authored-by: Paula Derrenger <107626595+pderrenger@users.noreply.github.com>
Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>
Co-authored-by: Laughing <61612323+Laughing-q@users.noreply.github.com>
Co-authored-by: Ayush Chaurasia <ayush.chaurarsia@gmail.com>
Co-authored-by: Snyk bot <snyk-bot@snyk.io>
Co-authored-by: Laughing-q <1185102784@qq.com>
This commit is contained in:
Glenn Jocher
2023-04-28 00:36:50 +02:00
committed by GitHub
parent 3e118f6170
commit 243fc4b1fe
44 changed files with 2915 additions and 440 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
ultralytics/yolo/v8/detect/train.py
View File

@ -7,41 +7,63 @@ import torch.nn as nn
from ultralytics.nn.tasks import DetectionModel
from ultralytics.yolo import v8
from ultralytics.yolo.data import build_dataloader
from ultralytics.yolo.data import build_dataloader, build_yolo_dataset
from ultralytics.yolo.data.dataloaders.v5loader import create_dataloader
from ultralytics.yolo.engine.trainer import BaseTrainer
from ultralytics.yolo.utils import DEFAULT_CFG, RANK, colorstr
from ultralytics.yolo.utils import DEFAULT_CFG, LOGGER, RANK, colorstr
from ultralytics.yolo.utils.loss import BboxLoss
from ultralytics.yolo.utils.ops import xywh2xyxy
from ultralytics.yolo.utils.plotting import plot_images, plot_labels, plot_results
from ultralytics.yolo.utils.tal import TaskAlignedAssigner, dist2bbox, make_anchors
from ultralytics.yolo.utils.torch_utils import de_parallel
from ultralytics.yolo.utils.torch_utils import de_parallel, torch_distributed_zero_first
# BaseTrainer python usage
class DetectionTrainer(BaseTrainer):
def build_dataset(self, img_path, mode='train', batch=None):
"""Build YOLO Dataset
Args:
img_path (str): Path to the folder containing images.
mode (str): `train` mode or `val` mode, users are able to customize different augmentations for each mode.
batch_size (int, optional): Size of batches, this is for `rect`. Defaults to None.
"""
gs = max(int(de_parallel(self.model).stride.max() if self.model else 0), 32)
return build_yolo_dataset(self.args, img_path, batch, self.data, mode=mode, rect=mode == 'val', stride=gs)
def get_dataloader(self, dataset_path, batch_size, rank=0, mode='train'):
"""TODO: manage splits differently."""
# Calculate stride - check if model is initialized
gs = max(int(de_parallel(self.model).stride.max() if self.model else 0), 32)
return create_dataloader(path=dataset_path,
imgsz=self.args.imgsz,
batch_size=batch_size,
stride=gs,
hyp=vars(self.args),
augment=mode == 'train',
cache=self.args.cache,
pad=0 if mode == 'train' else 0.5,
rect=self.args.rect or mode == 'val',
rank=rank,
workers=self.args.workers,
close_mosaic=self.args.close_mosaic != 0,
prefix=colorstr(f'{mode}: '),
shuffle=mode == 'train',
seed=self.args.seed)[0] if self.args.v5loader else \
build_dataloader(self.args, batch_size, img_path=dataset_path, stride=gs, rank=rank, mode=mode,
rect=mode == 'val', data_info=self.data)[0]
if self.args.v5loader:
LOGGER.warning("WARNING ⚠️ 'v5loader' feature is deprecated and will be removed soon. You can train using "
'the default YOLOv8 dataloader instead, no argument is needed.')
gs = max(int(de_parallel(self.model).stride.max() if self.model else 0), 32)
return create_dataloader(path=dataset_path,
imgsz=self.args.imgsz,
batch_size=batch_size,
stride=gs,
hyp=vars(self.args),
augment=mode == 'train',
cache=self.args.cache,
pad=0 if mode == 'train' else 0.5,
rect=self.args.rect or mode == 'val',
rank=rank,
workers=self.args.workers,
close_mosaic=self.args.close_mosaic != 0,
prefix=colorstr(f'{mode}: '),
shuffle=mode == 'train',
seed=self.args.seed)[0]
assert mode in ['train', 'val']
with torch_distributed_zero_first(rank): # init dataset *.cache only once if DDP
dataset = self.build_dataset(dataset_path, mode, batch_size)
shuffle = mode == 'train'
if getattr(dataset, 'rect', False) and shuffle:
LOGGER.warning("WARNING ⚠️ 'rect=True' is incompatible with DataLoader shuffle, setting shuffle=False")
shuffle = False
workers = self.args.workers if mode == 'train' else self.args.workers * 2
dataloader = build_dataloader(dataset, batch_size, workers, shuffle, rank)
return dataloader
def preprocess_batch(self, batch):
"""Preprocesses a batch of images by scaling and converting to float."""