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。

People in north Chennai complained that they were not able to come out of their homes due to waterlogging and demanded that rain water be drained out immediately.

The US Quality Core Test Kit validates the conformance of server and client implementations to an enhanced version of the US Quality Core Implementation Guide that includes USCDI+ Quality guidance and ...