在目标检测算法产业落地过程中，常常会出现需要额外训练以满足实际使用的要求，项目迭代过程中也会出先需要修改类别的情况。本文档详细介绍如何使用PaddleDetection进行目标检测算法二次开发，流程包括：数据准备、模型优化思路和修改类别开发流程。

Rising college costs and projected skills shortages in occupations that don’t require a bachelor’s degree are helping to drive enrollment in K–12 career and technical education programs — which ...