<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Rpn on Jeanphilo Blog</title><link>https://shio-chan-dev.github.io/jeanblog/zh/tags/rpn/</link><description>Recent content in Rpn on Jeanphilo Blog</description><generator>Hugo -- 0.159.2</generator><language>zh-cn</language><lastBuildDate>Sat, 24 Jan 2026 16:36:30 +0800</lastBuildDate><atom:link href="https://shio-chan-dev.github.io/jeanblog/zh/tags/rpn/index.xml" rel="self" type="application/rss+xml"/><item><title>单阶段 vs 双阶段目标检测：从候选集合到 NMS 的工程算账</title><link>https://shio-chan-dev.github.io/jeanblog/zh/ai/vision/single-stage-vs-two-stage-object-detection/</link><pubDate>Sat, 24 Jan 2026 16:36:30 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/ai/vision/single-stage-vs-two-stage-object-detection/</guid><description>系统对比单阶段与双阶段目标检测的流程、复杂度与工程场景：候选集合规模、NMS/后处理成本、focal loss 与采样策略，并给出纯 NumPy 可运行示例用于算账与验证。</description></item></channel></rss>