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Hi All,
OpenCV 4.4.0 is released with the support of State-of-art **Yolo v4** Detector.
Please see the release details here-
[https://github.com/opencv/opencv/wiki/ChangeLog#version440](url)
S…
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The get_region_box function in yolo_v2_loss_layer.cpp doesn't appear to be using sigmoid to compute box.x and box.y. I wonder why? The logistic_activate() function is defined by never called.
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### Search before asking
- [X] I have searched the Ultralytics YOLO [issues](https://github.com/ultralytics/ultralytics/issues) and [discussions](https://github.com/ultralytics/ultralytics/discussion…
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i upgraded opencv:
```
root@SERVER:~# sudo pip3 install --upgrade opencv-contrib-python
Requirement already satisfied: opencv-contrib-python in /usr/local/lib/python3.6/dist-packages (4.5.5.64)
…
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训练自己的数据集时`logs\loss_2023_08_05_15_17_52\epoch_map.txt`保存的内容如下:
```
0
0.721732469472461
0.9147414741474148
0.905940594059406
0.8957211510624749
0.9050720861559841
```
将训练得到的权重运行`get_map.py`后得到…
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Hello,
I am trying to train my network on some images and only reach a mAP value of around ~ 73%. Here are the details.
- 1 class, (1-15 objects per image,). Images are grayscale, although I did…
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Hi @AlexeyAB & Team ,
I am planning to solve a multi-label problem using YOLOv4.
The problem is to detect the presence and position of catheters and lines on chest x-rays-
[https://www.kaggle.com…
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gst-launch-1.0 v4l2src ! videoconvert ! videoscale !
video/x-raw,width=320,height=320,format=RGB,pixel-aspect-ratio=1/1,framerate=30/1 ! tee name=t
t. ! queue ! tensor_converter ! other/tensors,num_…
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Hi, I'm unable to export my annotations from a project contains ~50000 images and annotations (object detection).
Here's the error:
`Traceback (most recent call last):
File "/usr/local/lib/py…
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Message: 'Train step_240: loss : 35656.95703125,loss xy : 118.43473815917969,loss wh : 51.72434616088867,loss obj : 33237.66015625,loss cls : 2249.13525390625,loss l2 : 13105.2314453125,lr : 2.0735999…