YOLOv5 Forward Compatibility Update (#1569)

* YOLOv5 forward compatibility update

* add data dir

* ci test yolov3

* update build_targets()

* update build_targets()

* update build_targets()

* update yolov3-spp.yaml

* add yolov3-tiny.yaml

* add yolov3-tiny.yaml

* Update yolov3-tiny.yaml

* thop bug fix

* Detection() device bug fix

* Use torchvision.ops.nms()

* Remove redundant download mirror

* CI tests with yolov3-tiny

* Update README.md

* Synch train and test iou_thresh

* update requirements.txt

* Cat apriori autolabels

* Confusion matrix

* Autosplit

* Autosplit

* Update README.md

* AP no plot

* Update caching

* Update caching

* Caching bug fix

* --image-weights bug fix

* datasets bug fix

* mosaic plots bug fix

* plot_study

* boxes.max()

* boxes.max()

* boxes.max()

* boxes.max()

* boxes.max()

* boxes.max()

* update

* Update README

* Update README

* Update README.md

* Update README.md

* results png

* Update README

* Targets scaling bug fix

* update plot_study

* update plot_study

* update plot_study

* update plot_study

* Targets scaling bug fix

* Finish Readme.md

* Finish Readme.md

* Finish Readme.md

* Update README.md

* Creado con Colaboratory

weights/download_weights.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# Download latest models from https://github.com/ultralytics/yolov3/releases
+
+python - <<EOF
+from utils.google_utils import attempt_download
+
+for x in ['yolov3', 'yolov3-spp', 'yolov3-tiny']:
+    attempt_download(f'{x}.pt')
+
+EOF

weights/download_yolov3_weights.sh

@@ -1,24 +0,0 @@
-#!/bin/bash
-
-# make '/weights' directory if it does not exist and cd into it
-# mkdir -p weights && cd weights
-
-# copy darknet weight files, continue '-c' if partially downloaded
-# wget -c https://pjreddie.com/media/files/yolov3.weights
-# wget -c https://pjreddie.com/media/files/yolov3-tiny.weights
-# wget -c https://pjreddie.com/media/files/yolov3-spp.weights
-
-# yolov3 pytorch weights
-# download from Google Drive: https://drive.google.com/drive/folders/1uxgUBemJVw9wZsdpboYbzUN4bcRhsuAI
-
-# darknet53 weights (first 75 layers only)
-# wget -c https://pjreddie.com/media/files/darknet53.conv.74
-
-# yolov3-tiny weights from darknet (first 16 layers only)
-# ./darknet partial cfg/yolov3-tiny.cfg yolov3-tiny.weights yolov3-tiny.conv.15 15
-# mv yolov3-tiny.conv.15 ../
-
-# new method
-python3 -c "from models import *;
-attempt_download('weights/yolov3.pt');
-attempt_download('weights/yolov3-spp.pt')"