Administrative: Friday Discussion Sections (Some) Fridays 12:30pm - 1:20pm in Gates B03 Hands-on tutorials, with more practical detail than main lecture We may not have discussion sections every Friday, check syllabus: http://cs231n.stanford.edu/syll

将lisa traffic sign 里分割后的split1.csv，split2.csv转化为coco_train.json和coco_test.json的coco格式。