mirror of https://github.com/AlexeyAB/darknet.git
248 lines
14 KiB
Markdown
248 lines
14 KiB
Markdown
# Yolo-Windows v2
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1. [How to use](#how-to-use)
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2. [How to compile](#how-to-compile)
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3. [How to train (Pascal VOC Data)](#how-to-train-pascal-voc-data)
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4. [How to train (to detect your custom objects)](#how-to-train-to-detect-your-custom-objects)
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5. [How to mark bounded boxes of objects and create annotation files](#how-to-mark-bounded-boxes-of-objects-and-create-annotation-files)
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|  |  https://arxiv.org/abs/1612.08242 |
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# "You Only Look Once: Unified, Real-Time Object Detection (version 2)"
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A yolo windows version (for object detection)
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Contributtors: https://github.com/pjreddie/darknet/graphs/contributors
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This repository is forked from Linux-version: https://github.com/pjreddie/darknet
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More details: http://pjreddie.com/darknet/yolo/
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##### Requires:
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* **MS Visual Studio 2015 (v140)**: https://www.microsoft.com/download/details.aspx?id=48146
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* **CUDA 8.0 for Windows x64**: https://developer.nvidia.com/cuda-downloads
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* **OpenCV 2.4.9**: https://sourceforge.net/projects/opencvlibrary/files/opencv-win/2.4.9/opencv-2.4.9.exe/download
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- To compile without OpenCV - remove define OPENCV from: Visual Studio->Project->Properties->C/C++->Preprocessor
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- To compile with different OpenCV version - change in file yolo.c each string look like **#pragma comment(lib, "opencv_core249.lib")** from 249 to required version.
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- With OpenCV will show image or video detection in window and store result to: test_dnn_out.avi
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##### Pre-trained models for different cfg-files can be downloaded from (smaller -> faster & lower quality):
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* `yolo.cfg` (256 MB COCO-model) - require 4 GB GPU-RAM: http://pjreddie.com/media/files/yolo.weights
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* `yolo-voc.cfg` (256 MB VOC-model) - require 4 GB GPU-RAM: http://pjreddie.com/media/files/yolo-voc.weights
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* `tiny-yolo.cfg` (60 MB COCO-model) - require 1 GB GPU-RAM: http://pjreddie.com/media/files/tiny-yolo.weights
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* `tiny-yolo-voc.cfg` (60 MB VOC-model) - require 1 GB GPU-RAM: http://pjreddie.com/media/files/tiny-yolo-voc.weights
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Put it near compiled: darknet.exe
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You can get cfg-files by path: `darknet/cfg/`
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##### Examples of results:
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[](https://www.youtube.com/watch?v=VOC3huqHrss "Everything Is AWESOME")
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Others: https://www.youtube.com/channel/UC7ev3hNVkx4DzZ3LO19oebg
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### How to use:
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##### Example of usage in cmd-files from `build\darknet\x64\`:
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* `darknet_voc.cmd` - initialization with 256 MB VOC-model yolo-voc.weights & yolo-voc.cfg and waiting for entering the name of the image file
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* `darknet_demo_voc.cmd` - initialization with 256 MB VOC-model yolo-voc.weights & yolo-voc.cfg and play your video file which you must rename to: test.mp4, and store result to: test_dnn_out.avi
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* `darknet_net_cam_voc.cmd` - initialization with 256 MB VOC-model, play video from network video-camera mjpeg-stream (also from you phone) and store result to: test_dnn_out.avi
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* `darknet_web_cam_voc.cmd` - initialization with 256 MB VOC-model, play video from Web-Camera number #0 and store result to: test_dnn_out.avi
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##### How to use on the command line:
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* 256 MB COCO-model - image: `darknet.exe detector test data/coco.data yolo.cfg yolo.weights -i 0 -thresh 0.2`
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* Alternative method 256 MB COCO-model - image: `darknet.exe detect yolo.cfg yolo.weights -i 0 -thresh 0.2`
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* 256 MB VOC-model - image: `darknet.exe detector test data/voc.data yolo-voc.cfg yolo-voc.weights -i 0`
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* 256 MB COCO-model - video: `darknet.exe detector demo data/coco.data yolo.cfg yolo.weights test.mp4 -i 0`
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* 256 MB VOC-model - video: `darknet.exe detector demo data/voc.data yolo-voc.cfg yolo-voc.weights test.mp4 -i 0`
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* Alternative method 256 MB VOC-model - video: `darknet.exe yolo demo yolo-voc.cfg yolo-voc.weights test.mp4 -i 0`
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* 60 MB VOC-model for video: `darknet.exe detector demo data/voc.data tiny-yolo-voc.cfg tiny-yolo-voc.weights test.mp4 -i 0`
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* 256 MB COCO-model for net-videocam - Smart WebCam: `darknet.exe detector demo data/coco.data yolo.cfg yolo.weights http://192.168.0.80:8080/video?dummy=param.mjpg -i 0`
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* 256 MB VOC-model for net-videocam - Smart WebCam: `darknet.exe detector demo data/voc.data yolo-voc.cfg yolo-voc.weights http://192.168.0.80:8080/video?dummy=param.mjpg -i 0`
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* 256 MB VOC-model - WebCamera #0: `darknet.exe detector demo data/voc.data yolo-voc.cfg yolo-voc.weights -c 0`
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##### For using network video-camera mjpeg-stream with any Android smartphone:
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1. Download for Android phone mjpeg-stream soft: IP Webcam / Smart WebCam
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Smart WebCam - preferably: https://play.google.com/store/apps/details?id=com.acontech.android.SmartWebCam
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IP Webcam: https://play.google.com/store/apps/details?id=com.pas.webcam
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2. Connect your Android phone to computer by WiFi (through a WiFi-router) or USB
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3. Start Smart WebCam on your phone
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4. Replace the address below, on shown in the phone application (Smart WebCam) and launch:
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* 256 MB COCO-model: `darknet.exe detector demo data/coco.data yolo.cfg yolo.weights http://192.168.0.80:8080/video?dummy=param.mjpg -i 0`
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* 256 MB VOC-model: `darknet.exe detector demo data/voc.data yolo-voc.cfg yolo-voc.weights http://192.168.0.80:8080/video?dummy=param.mjpg -i 0`
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### How to compile:
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1. If you have MSVS 2015, CUDA 8.0 and OpenCV 2.4.9 (with paths: `C:\opencv_2.4.9\opencv\build\include` & `C:\opencv_2.4.9\opencv\build\x64\vc12\lib` or `vc14\lib`), then start MSVS, open `build\darknet\darknet.sln`, set **x64** and **Release**, and do the: Build -> Build darknet
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2. If you have other version of CUDA (not 8.0) then open `build\darknet\darknet.vcxproj` by using Notepad, find 2 places with "CUDA 8.0" and change it to your CUDA-version, then do step 1
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3. If you have other version of OpenCV 2.4.x (not 2.4.9) then you should change pathes after `\darknet.sln` is opened
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3.1 (right click on project) -> properties -> C/C++ -> General -> Additional Include Directories
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3.2 (right click on project) -> properties -> Linker -> General -> Additional Library Directories
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3.3 Open file: `\src\yolo.c` and change 3 lines to your OpenCV-version - `249` (for 2.4.9), `2413` (for 2.4.13), ... :
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* `#pragma comment(lib, "opencv_core249.lib")`
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* `#pragma comment(lib, "opencv_imgproc249.lib")`
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* `#pragma comment(lib, "opencv_highgui249.lib")`
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4. If you have other version of OpenCV 3.x (not 2.4.x) then you should change many places in code by yourself.
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5. If you want to build with CUDNN to speed up then:
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* download and install CUDNN: https://developer.nvidia.com/cudnn
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* add Windows system variable `cudnn` with path to CUDNN: https://hsto.org/files/a49/3dc/fc4/a493dcfc4bd34a1295fd15e0e2e01f26.jpg
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* open `\darknet.sln` -> (right click on project) -> properties -> C/C++ -> Preprocessor -> Preprocessor Definitions, and add at the beginning of line: `CUDNN;`
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### How to compile (custom):
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Also, you can to create your own `darknet.sln` & `darknet.vcxproj`, this example for CUDA 8.0 and OpenCV 2.4.9
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Then add to your created project:
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- (right click on project) -> properties -> C/C++ -> General -> Additional Include Directories, put here:
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`C:\opencv_2.4.9\opencv\build\include;..\..\3rdparty\include;%(AdditionalIncludeDirectories);$(CudaToolkitIncludeDir);$(cudnn)\include`
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- (right click on project) -> Build dependecies -> Build Customizations -> set check on CUDA 8.0 or what version you have - for example as here: http://devblogs.nvidia.com/parallelforall/wp-content/uploads/2015/01/VS2013-R-5.jpg
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- add to project all .c & .cu files from `\src`
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- (right click on project) -> properties -> Linker -> General -> Additional Library Directories, put here:
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`C:\opencv_2.4.9\opencv\build\x64\vc12\lib;$(CUDA_PATH)lib\$(PlatformName);$(cudnn)\lib\x64;%(AdditionalLibraryDirectories)`
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- (right click on project) -> properties -> Linker -> Input -> Additional dependecies, put here:
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`..\..\3rdparty\lib\x64\pthreadVC2.lib;cublas.lib;curand.lib;cudart.lib;cudnn.lib;%(AdditionalDependencies)`
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- (right click on project) -> properties -> C/C++ -> Preprocessor -> Preprocessor Definitions
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- open file: `\src\yolo.c` and change 3 lines to your OpenCV-version - `249` (for 2.4.9), `2413` (for 2.4.13), ... :
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* `#pragma comment(lib, "opencv_core249.lib")`
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* `#pragma comment(lib, "opencv_imgproc249.lib")`
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* `#pragma comment(lib, "opencv_highgui249.lib")`
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`OPENCV;_TIMESPEC_DEFINED;_CRT_SECURE_NO_WARNINGS;GPU;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)`
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- compile to .exe (X64 & Release) and put .dll-s near with .exe:
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`pthreadVC2.dll, pthreadGC2.dll` from \3rdparty\dll\x64
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`cusolver64_80.dll, curand64_80.dll, cudart64_80.dll, cublas64_80.dll` - 80 for CUDA 8.0 or your version, from C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v8.0\bin
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## How to train (Pascal VOC Data):
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1. Download pre-trained weights for the convolutional layers (76 MB): http://pjreddie.com/media/files/darknet19_448.conv.23 and put to the directory `build\darknet\x64`
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2. Download The Pascal VOC Data and unpack it to directory `build\darknet\x64\data\voc`: http://pjreddie.com/projects/pascal-voc-dataset-mirror/ will be created file `voc_label.py` and `\VOCdevkit\` dir
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3. Download and install Python for Windows: https://www.python.org/ftp/python/3.5.2/python-3.5.2-amd64.exe
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4. Run command: `python build\darknet\x64\data\voc\voc_label.py` (to generate files: 2007_test.txt, 2007_train.txt, 2007_val.txt, 2012_train.txt, 2012_val.txt)
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5. Run command: `type 2007_train.txt 2007_val.txt 2012_*.txt > train.txt`
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6. Start training by using `train_voc.cmd` or by using the command line: `darknet.exe detector train data/voc.data yolo-voc.cfg darknet19_448.conv.23`
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If required change pathes in the file `build\darknet\x64\data\voc.data`
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More information about training by the link: http://pjreddie.com/darknet/yolo/#train-voc
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## How to train with multi-GPU:
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1. Train it first on 1 GPU for like 1000 iterations: `darknet.exe detector train data/voc.data yolo-voc.cfg darknet19_448.conv.23`
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2. Then stop and by using partially-trained model `/backup/yolo-voc_1000.weights` run training with multigpu (up to 4 GPUs): `darknet.exe detector train data/voc.data yolo-voc.cfg yolo-voc_1000.weights -gpus 0,1,2,3`
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https://groups.google.com/d/msg/darknet/NbJqonJBTSY/Te5PfIpuCAAJ
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## How to train (to detect your custom objects):
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1. Create file `yolo-obj.cfg` with the same content as in `yolo-voc.cfg` (or copy `yolo-voc.cfg` to `yolo-obj.cfg)` and:
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* change line `classes=20` to your number of objects
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* change line `filters=425` to `filters=(classes + 5)*5` (generally this depends on the `num` and `coords`, i.e. equal to `(classes + coords + 1)*num`)
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For example, for 2 objects, your file `yolo-obj.cfg` should differ from `yolo-voc.cfg` in such lines:
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```
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[convolutional]
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filters=35
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[region]
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classes=2
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```
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2. Create file `obj.names` in the directory `build\darknet\x64\data\`, with objects names - each in new line
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3. Create file `obj.data` in the directory `build\darknet\x64\data\`, containing (where **classes = number of objects**):
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```
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classes= 2
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train = train.txt
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valid = test.txt
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names = obj.names
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backup = backup/
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```
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4. Put image-files (.jpg) of your objects in the directory `build\darknet\x64\data\obj\`
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5. Create `.txt`-file for each `.jpg`-image-file - with the same name, but with `.txt`-extension, and put to file: object number and object coordinates on this image, for each object in new line: `<object-class> <x> <y> <width> <height>`
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Where:
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* `<object-class>` - integer number of object from `0` to `(classes-1)`
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* `<x> <y> <width> <height>` - float values relative to width and height of image, it can be equal from 0.0 to 1.0
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* for example: `<x> = <absolute_x> / <image_width>` or `<height> = <absolute_height> / <image_height>`
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* atention: `<x> <y>` - are center of rectangle (are not top-left corner)
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For example for `img1.jpg` you should create `img1.txt` containing:
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```
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1 0.716797 0.395833 0.216406 0.147222
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0 0.687109 0.379167 0.255469 0.158333
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1 0.420312 0.395833 0.140625 0.166667
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```
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6. Create file `train.txt` in directory `build\darknet\x64\data\`, with filenames of your images, each filename in new line, with path relative to `darknet.exe`, for example containing:
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```
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data/obj/img1.jpg
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data/obj/img2.jpg
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data/obj/img3.jpg
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```
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7. Download pre-trained weights for the convolutional layers (76 MB): http://pjreddie.com/media/files/darknet19_448.conv.23 and put to the directory `build\darknet\x64`
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8. Start training by using the command line: `darknet.exe detector train data/obj.data yolo-obj.cfg darknet19_448.conv.23`
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9. After training is complete - get result `yolo-obj_final.weights` from path `build\darknet\x64\backup\`
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* After each 1000 iterations you can stop and later start training from this point. For example, after 2000 iterations you can stop training, and later just copy `yolo-obj_2000.weights` from `build\darknet\x64\backup\` to `build\darknet\x64\` and start training using: `darknet.exe detector train data/obj.data yolo-obj.cfg yolo-obj_2000.weights`
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* Also you can get result earlier than all 45000 iterations, for example, usually sufficient 2000 iterations for each class(object). I.e. for 6 classes to avoid overfitting - you can stop training after 12000 iterations and use `yolo-obj_12000.weights` to detection.
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### Custom object detection:
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Example of custom object detection: `darknet.exe detector test data/obj.data yolo-obj.cfg yolo-obj_3000.weights`
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## How to mark bounded boxes of objects and create annotation files:
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Here you can find repository with GUI-software for marking bounded boxes of objects and generating annotation files for Yolo v2: https://github.com/AlexeyAB/Yolo_mark
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With example of: `train.txt`, `obj.names`, `obj.data`, `yolo-obj.cfg`, `air`1-6`.txt`, `bird`1-4`.txt` for 2 classes of objects (air, bird) and `train_obj.cmd` with example how to train this image-set with Yolo v2
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