title: How to make tfrecords from json annotated images
body: <p>I have used tensorflow object detection-api to train my own object detector.But at that time, the images were annotated using <a href="https://github.com/tzutalin/labelImg" rel="nofollow noreferrer">labelimg</a> which create xml file for each image.Now I have got labeled images which have json file for each image.So how I use these json files to create tfrecords.</p>