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Reformat Markdown code blocks (#12795)

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Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
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Glenn Jocher 2024-05-18 18:58:06 +02:00 • committed by GitHub
parent 2af71d15a6
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128 changed files with 1067 additions and 1018 deletions
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41
docs/en/usage/simple-utilities.md
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@ -195,15 +195,15 @@ from ultralytics.data.utils import polygon2mask
imgsz = (1080, 810)
polygon = np.array(
[805, 392, 797, 400, ..., 808, 714, 808, 392], # (238, 2)
[805, 392, 797, 400, ..., 808, 714, 808, 392], # (238, 2)
)
mask = polygon2mask(
imgsz, # tuple
[polygon], # input as list
color=255, # 8-bit binary
downsample_ratio=1
)
imgsz, # tuple
[polygon], # input as list
color=255, # 8-bit binary
downsample_ratio=1,
)
```
## Bounding Boxes
@ -326,13 +326,15 @@ xywh
### All Bounding Box Conversions
```python
from ultralytics.utils.ops import xywh2xyxy
from ultralytics.utils.ops import xywhn2xyxy # normalized → pixel
from ultralytics.utils.ops import xyxy2xywhn # pixel → normalized
from ultralytics.utils.ops import xywh2ltwh # xywh → top-left corner, w, h
from ultralytics.utils.ops import xyxy2ltwh # xyxy → top-left corner, w, h
from ultralytics.utils.ops import ltwh2xywh
from ultralytics.utils.ops import ltwh2xyxy
from ultralytics.utils.ops import (
ltwh2xywh,
ltwh2xyxy,
xywh2ltwh, # xywh → top-left corner, w, h
xywh2xyxy,
xywhn2xyxy, # normalized → pixel
xyxy2ltwh, # xyxy → top-left corner, w, h
xyxy2xywhn, # pixel → normalized
)
```
See docstring for each function or visit the `ultralytics.utils.ops` [reference page](../reference/utils/ops.md) to read more about each function.
@ -394,17 +396,18 @@ from ultralytics.utils.plotting import Annotator, colors
obb_names = {10: "small vehicle"}
obb_image = cv.imread("datasets/dota8/images/train/P1142__1024__0___824.jpg")
obb_boxes = np.array(
[[ 0, 635, 560, 919, 719, 1087, 420, 803, 261,], # class-idx x1 y1 x2 y2 x3 y2 x4 y4
[ 0, 331, 19, 493, 260, 776, 70, 613, -171,],
[ 9, 869, 161, 886, 147, 851, 101, 833, 115,]
[
[0, 635, 560, 919, 719, 1087, 420, 803, 261], # class-idx x1 y1 x2 y2 x3 y2 x4 y4
[0, 331, 19, 493, 260, 776, 70, 613, -171],
[9, 869, 161, 886, 147, 851, 101, 833, 115],
]
)
ann = Annotator(
obb_image,
line_width=None, # default auto-size
font_size=None, # default auto-size
font="Arial.ttf", # must be ImageFont compatible
pil=False, # use PIL, otherwise uses OpenCV
font_size=None, # default auto-size
font="Arial.ttf", # must be ImageFont compatible
pil=False, # use PIL, otherwise uses OpenCV
)
for obb in obb_boxes:
c_idx, *obb = obb