open-images-download-by-category

Open image official website

If you think the image file is too large, you don't want to download all kinds of pictures,you can download images of the specified categories as needed.(如果嫌所有类别图像太大，不想下载所有类别图片的话，你可以根据自己的需要下载指定类别的图像)

Project structure(项目结构)：

modules
 └──bounding_boxes.py
 └──csv_downloader.py
 └──downloader.py
 └──image_level.py
 └──parser.py
 └──show.py
 └──utils.py
 | 
OID
 ├──csv_folder_nl
 |     └──class-descriptions.csv 
 |     └──train-annotations-machine-imagelabels.csv 
 | 
 └──Dataset_nl
 | 
 main.py
 | 
 classes_custom.txt
 | 
 put_the_specified_category_image_into_CSV.py (如果你的内存够大，则忽略这个代码，如果内存小，那么该代码用于把指定类别的数据放到csv,新生成的csv用于替换原始的train-annotations-machine-imagelabels.csv，类别就变少了，就不会再出现内存问题了)

Download one class in separated folder(下载一个类别)

python main.py downloader_ill --sub m --classes Football --type_csv train --limit 1000
or
python main.py downloader_ill --sub m --classes classes_custom.txt --type_csv train --limit 1000

Download different classes in a Specified folder(下载多个类别到一个文件夹)

python main.py downloader_ill --sub m --classes Apple Banana Football --multiclasses 1 --type_csv train --limit 1000
or
python main.py downloader_ill --sub m --classes classes_custom.txt --type_csv train --limit 1000