In January 2023, Glenn Jocher and the Ultralytics team launched YOLOv8, the latest in the family of YOLO models. The YOLOv8 repository uses the same format as the YOLOv5 model: YOLOv5 PyTorch TXT.
If you're looking to train YOLOv8, Roboflow is the easiest way to get your annotations in this format. We can seamlessly convert 30+ different object detection annotation formats to YOLOv8 TXT and we automatically generate your YAML config file for you.
Below, learn the structure of YOLOv8 PyTorch TXT.
Each image has one txt file with a single line for each bounding box. The format of each row is
class_id center_x center_y width height
where fields are space delimited, and the coordinates are normalized from zero to one.
Note: To convert to normalized xywh from pixel values, divide x (and width) by the image's width and divide y (and height) by the image's height.
1 0.617 0.3594420600858369 0.114 0.17381974248927037
1 0.094 0.38626609442060084 0.156 0.23605150214592274
1 0.295 0.3959227467811159 0.13 0.19527896995708155
1 0.785 0.398068669527897 0.07 0.14377682403433475
1 0.886 0.40879828326180256 0.124 0.18240343347639484
1 0.723 0.398068669527897 0.102 0.1609442060085837
1 0.541 0.35085836909871243 0.094 0.16952789699570817
1 0.428 0.4334763948497854 0.068 0.1072961373390558
1 0.375 0.40236051502145925 0.054 0.1351931330472103
1 0.976 0.3927038626609442 0.044 0.17167381974248927
The `data.yaml` file contains configuration values used by the model to locate images and map class names to class_id
's.
train: ../train/images
val: ../valid/images
nc: 3
names: ['head', 'helmet', 'person']
With Roboflow supervision, an open source Python package with utilities for completing computer vision tasks, you can merge and split detections in YOLOv8 PyTorch TXT. Read our dedicated guides to learn how to merge and split YOLOv8 PyTorch TXT detections.
Below, see model architectures that require data in the YOLOv8 PyTorch TXT format when training a new model.
On each page below, you can find links to our guides that show how to plot predictions from the model, and complete other common tasks like detecting small objects with the model.
In January 2023, Glenn Jocher and the Ultralytics team launched YOLOv8, the latest in the family of YOLO models. The YOLOv8 repository uses the same format as the YOLOv5 model: YOLOv5 PyTorch TXT.
If you're looking to train YOLOv8, Roboflow is the easiest way to get your annotations in this format. We can seamlessly convert 30+ different object detection annotation formats to YOLOv8 TXT and we automatically generate your YAML config file for you.
With Roboflow, you can deploy a computer vision model without having to build your own infrastructure.
Below, we show how to convert data to and from
YOLOv8 PyTorch TXT
. We also list popular models that use the
YOLOv8 PyTorch TXT
data format. Our conversion tools are free to use.
Free data conversion
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Free data conversion
SOC II Type 1 Compliant
Trusted by 250,000+ developers
The
YOLOv8 Classification
,
YOLOv8 Instance Segmentation
,
YOLOv8
,
models all use the
data format.
Each image has one txt file with a single line for each bounding box. The format of each row is
class_id center_x center_y width height
where fields are space delimited, and the coordinates are normalized from zero to one.
Note: To convert to normalized xywh from pixel values, divide x (and width) by the image's width and divide y (and height) by the image's height.
1 0.617 0.3594420600858369 0.114 0.17381974248927037
1 0.094 0.38626609442060084 0.156 0.23605150214592274
1 0.295 0.3959227467811159 0.13 0.19527896995708155
1 0.785 0.398068669527897 0.07 0.14377682403433475
1 0.886 0.40879828326180256 0.124 0.18240343347639484
1 0.723 0.398068669527897 0.102 0.1609442060085837
1 0.541 0.35085836909871243 0.094 0.16952789699570817
1 0.428 0.4334763948497854 0.068 0.1072961373390558
1 0.375 0.40236051502145925 0.054 0.1351931330472103
1 0.976 0.3927038626609442 0.044 0.17167381974248927
The `data.yaml` file contains configuration values used by the model to locate images and map class names to class_id
's.
train: ../train/images
val: ../valid/images
nc: 3
names: ['head', 'helmet', 'person']