Update Actions with Lychee and GitHub Token (#12592)

* Add Ultralytics Actions

* Auto-format by Ultralytics actions

* Update format.yml

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

---------

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
This commit is contained in:
authored and GitHub committed 2024-01-08 01:29:14 +01:00
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commit ad97dc6a6d
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@@ -1,7 +1,5 @@
# YOLOv5 🚀 by Ultralytics, AGPL-3.0 license
"""
Dataloaders
"""
"""Dataloaders."""
import os
import random
@@ -17,30 +15,32 @@ from ..general import LOGGER, xyn2xy, xywhn2xyxy, xyxy2xywhn
from ..torch_utils import torch_distributed_zero_first
from .augmentations import mixup, random_perspective
RANK = int(os.getenv('RANK', -1))
RANK = int(os.getenv("RANK", -1))
def create_dataloader(path,
imgsz,
batch_size,
stride,
single_cls=False,
hyp=None,
augment=False,
cache=False,
pad=0.0,
rect=False,
rank=-1,
workers=8,
image_weights=False,
quad=False,
prefix='',
shuffle=False,
mask_downsample_ratio=1,
overlap_mask=False,
seed=0):
def create_dataloader(
path,
imgsz,
batch_size,
stride,
single_cls=False,
hyp=None,
augment=False,
cache=False,
pad=0.0,
rect=False,
rank=-1,
workers=8,
image_weights=False,
quad=False,
prefix="",
shuffle=False,
mask_downsample_ratio=1,
overlap_mask=False,
seed=0,
):
if rect and shuffle:
LOGGER.warning('WARNING ⚠️ --rect is incompatible with DataLoader shuffle, setting shuffle=False')
LOGGER.warning("WARNING ⚠️ --rect is incompatible with DataLoader shuffle, setting shuffle=False")
shuffle = False
with torch_distributed_zero_first(rank): # init dataset *.cache only once if DDP
dataset = LoadImagesAndLabelsAndMasks(
@@ -58,7 +58,8 @@ def create_dataloader(path,
prefix=prefix,
downsample_ratio=mask_downsample_ratio,
overlap=overlap_mask,
rank=rank)
rank=rank,
)
batch_size = min(batch_size, len(dataset))
nd = torch.cuda.device_count() # number of CUDA devices
@@ -81,7 +82,6 @@ def create_dataloader(path,
class LoadImagesAndLabelsAndMasks(LoadImagesAndLabels): # for training/testing
def __init__(
self,
path,
@@ -96,14 +96,29 @@ class LoadImagesAndLabelsAndMasks(LoadImagesAndLabels): # for training/testing
stride=32,
pad=0,
min_items=0,
prefix='',
prefix="",
downsample_ratio=1,
overlap=False,
rank=-1,
seed=0,
):
super().__init__(path, img_size, batch_size, augment, hyp, rect, image_weights, cache_images, single_cls,
stride, pad, min_items, prefix, rank, seed)
super().__init__(
path,
img_size,
batch_size,
augment,
hyp,
rect,
image_weights,
cache_images,
single_cls,
stride,
pad,
min_items,
prefix,
rank,
seed,
)
self.downsample_ratio = downsample_ratio
self.overlap = overlap
@@ -111,7 +126,7 @@ class LoadImagesAndLabelsAndMasks(LoadImagesAndLabels): # for training/testing
index = self.indices[index] # linear, shuffled, or image_weights
hyp = self.hyp
mosaic = self.mosaic and random.random() < hyp['mosaic']
mosaic = self.mosaic and random.random() < hyp["mosaic"]
masks = []
if mosaic:
# Load mosaic
@@ -119,7 +134,7 @@ class LoadImagesAndLabelsAndMasks(LoadImagesAndLabels): # for training/testing
shapes = None
# MixUp augmentation
if random.random() < hyp['mixup']:
if random.random() < hyp["mixup"]:
img, labels, segments = mixup(img, labels, segments, *self.load_mosaic(random.randint(0, self.n - 1)))
else:
@@ -147,30 +162,36 @@ class LoadImagesAndLabelsAndMasks(LoadImagesAndLabels): # for training/testing
labels[:, 1:] = xywhn2xyxy(labels[:, 1:], ratio[0] * w, ratio[1] * h, padw=pad[0], padh=pad[1])
if self.augment:
img, labels, segments = random_perspective(img,
labels,
segments=segments,
degrees=hyp['degrees'],
translate=hyp['translate'],
scale=hyp['scale'],
shear=hyp['shear'],
perspective=hyp['perspective'])
img, labels, segments = random_perspective(
img,
labels,
segments=segments,
degrees=hyp["degrees"],
translate=hyp["translate"],
scale=hyp["scale"],
shear=hyp["shear"],
perspective=hyp["perspective"],
)
nl = len(labels) # number of labels
if nl:
labels[:, 1:5] = xyxy2xywhn(labels[:, 1:5], w=img.shape[1], h=img.shape[0], clip=True, eps=1e-3)
if self.overlap:
masks, sorted_idx = polygons2masks_overlap(img.shape[:2],
segments,
downsample_ratio=self.downsample_ratio)
masks, sorted_idx = polygons2masks_overlap(
img.shape[:2], segments, downsample_ratio=self.downsample_ratio
)
masks = masks[None] # (640, 640) -> (1, 640, 640)
labels = labels[sorted_idx]
else:
masks = polygons2masks(img.shape[:2], segments, color=1, downsample_ratio=self.downsample_ratio)
masks = (torch.from_numpy(masks) if len(masks) else torch.zeros(1 if self.overlap else nl, img.shape[0] //
self.downsample_ratio, img.shape[1] //
self.downsample_ratio))
masks = (
torch.from_numpy(masks)
if len(masks)
else torch.zeros(
1 if self.overlap else nl, img.shape[0] // self.downsample_ratio, img.shape[1] // self.downsample_ratio
)
)
# TODO: albumentations support
if self.augment:
# Albumentations
@@ -180,17 +201,17 @@ class LoadImagesAndLabelsAndMasks(LoadImagesAndLabels): # for training/testing
nl = len(labels) # update after albumentations
# HSV color-space
augment_hsv(img, hgain=hyp['hsv_h'], sgain=hyp['hsv_s'], vgain=hyp['hsv_v'])
augment_hsv(img, hgain=hyp["hsv_h"], sgain=hyp["hsv_s"], vgain=hyp["hsv_v"])
# Flip up-down
if random.random() < hyp['flipud']:
if random.random() < hyp["flipud"]:
img = np.flipud(img)
if nl:
labels[:, 2] = 1 - labels[:, 2]
masks = torch.flip(masks, dims=[1])
# Flip left-right
if random.random() < hyp['fliplr']:
if random.random() < hyp["fliplr"]:
img = np.fliplr(img)
if nl:
labels[:, 1] = 1 - labels[:, 1]
@@ -254,16 +275,18 @@ class LoadImagesAndLabelsAndMasks(LoadImagesAndLabels): # for training/testing
# img4, labels4 = replicate(img4, labels4) # replicate
# Augment
img4, labels4, segments4 = copy_paste(img4, labels4, segments4, p=self.hyp['copy_paste'])
img4, labels4, segments4 = random_perspective(img4,
labels4,
segments4,
degrees=self.hyp['degrees'],
translate=self.hyp['translate'],
scale=self.hyp['scale'],
shear=self.hyp['shear'],
perspective=self.hyp['perspective'],
border=self.mosaic_border) # border to remove
img4, labels4, segments4 = copy_paste(img4, labels4, segments4, p=self.hyp["copy_paste"])
img4, labels4, segments4 = random_perspective(
img4,
labels4,
segments4,
degrees=self.hyp["degrees"],
translate=self.hyp["translate"],
scale=self.hyp["scale"],
shear=self.hyp["shear"],
perspective=self.hyp["perspective"],
border=self.mosaic_border,
) # border to remove
return img4, labels4, segments4
@staticmethod
@@ -312,8 +335,10 @@ def polygons2masks(img_size, polygons, color, downsample_ratio=1):
def polygons2masks_overlap(img_size, segments, downsample_ratio=1):
"""Return a (640, 640) overlap mask."""
masks = np.zeros((img_size[0] // downsample_ratio, img_size[1] // downsample_ratio),
dtype=np.int32 if len(segments) > 255 else np.uint8)
masks = np.zeros(
(img_size[0] // downsample_ratio, img_size[1] // downsample_ratio),
dtype=np.int32 if len(segments) > 255 else np.uint8,
)
areas = []
ms = []
for si in range(len(segments)):