VGG 图像注释器未以 COCO 格式导出

Question

我正在尝试将我的 VGG 图像注释器结果转换为 COCO 格式，但它没有添加类别，因此类别列表为空。

以下是我导出的COCO格式。请查看空类别列表。谢谢

{"info":{"year":2021,"version":"1.0","description":"VIA project exported to COCO format using VGG Image Annotator (http://www.robots.ox.ac.uk/~vgg/software/via/)","contributor":"","url":"http://www.robots.ox.ac.uk/~vgg/software/via/","date_created":"Mon May 17 2021 12:42:52 GMT+0500 (Pakistan Standard Time)"},"images":[{"id":20210426,"width":1024,"height":768,"file_name":"20210426_142456.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_143326.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_143357.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_143423.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_143451.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_143614.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_143639.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_144357.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_144453.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_144519.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_150226.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_150231.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_150237.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_150251.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_150253.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_150301.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_150302.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_150336.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_150338.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_150343.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_152459.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_153542.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_153600.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_154327.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_154345.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_154429.jpg","license":0,"date_captured":""},{"id":20210426,"width":1024,"height":768,"file_name":"20210426_154434.jpg","license":0,"date_captured":""},{"id":20210426,"width":768,"height":1024,"file_name":"20210426_154930.jpg","license":0,"date_captured":""}],"annotations":[],"licenses":[{"id":0,"name":"Unknown License","url":""}],"categories":[]}  

Answer 1

VGG 图像注释器需要至少有一个“区域属性”为“下拉”类型。如果这是真的，VGG 会以 COCO 格式导出注释。