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<!DOCTYPE html>
<html lang="zh-CN" data-default-color-scheme=auto>
<head>
<meta charset="UTF-8">
<link rel="apple-touch-icon" sizes="76x76" href="/img/favicon.png">
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<script id="fluid-configs">
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</script>
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<div class="banner" id="banner" parallax=true
style="background: url('/img/banner.png') no-repeat center center;
background-size: cover;">
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<main>
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<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2022/03/17/HowToWrite/" target="_blank">
<img src="http://browser9.qhimg.com/bdm/480_296_0/t01287bd180d28865b9.jpg" srcset="/img/loading.gif" lazyload alt="How To Write">
</a>
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<article class="col-12 col-md-8 mx-auto index-info">
<h1 class="index-header">
<a href="/2022/03/17/HowToWrite/" target="_blank">
How To Write
</a>
</h1>
<p class="index-excerpt">
<a href="/2022/03/17/HowToWrite/" target="_blank">
Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub. Quick
</a>
</p>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2022-03-17 21:58" pubdate>
2022-03-17
</time>
</div>
<div class="post-meta">
<i class="iconfont icon-tags"></i>
<a href="/tags/Hexo/">Hexo</a>
<a href="/tags/Fluid/">Fluid</a>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2019/12/04/AVX-AVX2-Notes/" target="_blank">
<img src="http://p9.qhimg.com/bdm/216_133_0/t01921d73c9579e28d4.jpg" srcset="/img/loading.gif" lazyload alt="SSE/SSE2/AVX/AVX2 Notes">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h1 class="index-header">
<a href="/2019/12/04/AVX-AVX2-Notes/" target="_blank">
SSE/SSE2/AVX/AVX2 Notes
</a>
</h1>
<p class="index-excerpt">
<a href="/2019/12/04/AVX-AVX2-Notes/" target="_blank">
AVX/AVX2/SSE/SSE2指令集数据类型 数据类型 描述 __m128 包含4个float类型数字的向量 __m128d 包含2个double类型数字的向量 __m128i 包含若干整形数字的向量 __m256 包含8个float类型数字的向量 __m256d 包含4个float类型数字的向量 __m256i 包含若干整形数字的向
</a>
</p>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2019-12-04 18:30" pubdate>
2019-12-04
</time>
</div>
<div class="post-meta">
<i class="iconfont icon-tags"></i>
<a href="/tags/Base/">Base</a>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2019/11/28/Delaunay%E4%B8%89%E8%A7%92%E5%89%96%E5%88%86/" target="_blank">
<img src="http://p4.qhimg.com/bdm/216_133_0/t01685fac33ad433a3c.jpg" srcset="/img/loading.gif" lazyload alt="Delaunay三角剖分">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h1 class="index-header">
<a href="/2019/11/28/Delaunay%E4%B8%89%E8%A7%92%E5%89%96%E5%88%86/" target="_blank">
Delaunay三角剖分
</a>
</h1>
<p class="index-excerpt">
<a href="/2019/11/28/Delaunay%E4%B8%89%E8%A7%92%E5%89%96%E5%88%86/" target="_blank">
Delaunay TriangleDelaunay三角剖分特点： 最小角最大：在不出现奇异性的情况下,Delaunay三角剖分最小角之和均大于任何非 Delaunay剖分所形成三角形最小角之和 ,三角形的最小内角之和最大 ,从而使得划分的三角形不会出现某个内角过小的情况 ,比较有利于有限元的后续计算。空外接圆：Delaunay三角剖分中任意三角形的外接圆内不包括其他结点。因此 ,在各种二维三角剖
</a>
</p>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2019-11-28 12:04" pubdate>
2019-11-28
</time>
</div>
<div class="post-meta">
<i class="iconfont icon-tags"></i>
<a href="/tags/Algorithm/">Algorithm</a>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2019/11/17/%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F/" target="_blank">
<img src="http://browser9.qhimg.com/bdm/216_133_0/t0154e2ed6f54b42819.jpg" srcset="/img/loading.gif" lazyload alt="正则表达式">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h1 class="index-header">
<a href="/2019/11/17/%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F/" target="_blank">
正则表达式
</a>
</h1>
<p class="index-excerpt">
<a href="/2019/11/17/%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F/" target="_blank">
推荐 将JS正则可视化的工具：regexper.com 在线练习：regex101.com 正则教程：Learn Regex the easy way 基础1.元字符 元字符 说明 . 匹配除换行符以外的任意字符 \w 匹配字母、数字、下划线、汉字 \s 匹配任意的空白符 \d 匹配数字 \b 匹配单词的开始或结束 [] 匹配方括号内的任意字符 [^] 匹配除了
</a>
</p>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2019-11-17 16:28" pubdate>
2019-11-17
</time>
</div>
<div class="post-meta">
<i class="iconfont icon-tags"></i>
<a href="/tags/regex/">regex</a>
<a href="/tags/base/">base</a>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2019/10/21/%E7%A7%BB%E5%8A%A8%E6%9C%80%E5%B0%8F%E4%BA%8C%E4%B9%98%E7%9A%84%E6%9B%B2%E7%BA%BF%E6%9B%B2%E9%9D%A2%E6%8B%9F%E5%90%88/" target="_blank">
<img src="http://p0.qhimg.com/bdm/216_133_0/t01507ba933da5106d3.jpg" srcset="/img/loading.gif" lazyload alt="移动最小二乘的曲线曲面拟合">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h1 class="index-header">
<a href="/2019/10/21/%E7%A7%BB%E5%8A%A8%E6%9C%80%E5%B0%8F%E4%BA%8C%E4%B9%98%E7%9A%84%E6%9B%B2%E7%BA%BF%E6%9B%B2%E9%9D%A2%E6%8B%9F%E5%90%88/" target="_blank">
移动最小二乘的曲线曲面拟合
</a>
</h1>
<p class="index-excerpt">
<a href="/2019/10/21/%E7%A7%BB%E5%8A%A8%E6%9C%80%E5%B0%8F%E4%BA%8C%E4%B9%98%E7%9A%84%E6%9B%B2%E7%BA%BF%E6%9B%B2%E9%9D%A2%E6%8B%9F%E5%90%88/" target="_blank">
LS Approximation(Least-squares)Question: 给定N个点$x_i\in\mathbb{R}^d,where\ i\in[1…N]$.希望得到$f(x)$能近似出点$x_i$处的$f_i$值。误差函数为$J_{LS}=\sum_i||f(X_i)-f_i||^2$。那么得到最小化问题：$$min_{f_x\in\prod_m^d}\sum_i||f(\m
</a>
</p>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2019-10-21 22:58" pubdate>
2019-10-21
</time>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2019/10/14/MTCNN%E7%AE%97%E6%B3%95%E4%B8%8E%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3/" target="_blank">
<img src="http://p8.qhimg.com/bdm/480_296_0/t0133a2d1e4bba00de8.jpg" srcset="/img/loading.gif" lazyload alt="MTCNN算法与代码理解">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h1 class="index-header">
<a href="/2019/10/14/MTCNN%E7%AE%97%E6%B3%95%E4%B8%8E%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3/" target="_blank">
MTCNN算法与代码理解
</a>
</h1>
<p class="index-excerpt">
<a href="/2019/10/14/MTCNN%E7%AE%97%E6%B3%95%E4%B8%8E%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3/" target="_blank">
前言原作主页：https://kpzhang93.github.io/MTCNN_face_detection_alignment/index.html arxiv论文：https://arxiv.org/abs/1604.02878 代码：官方matlab版、C++ caffe版 其他框架代码：pytorch、tensorflow、mxnet MTCNN 《Joint Face Detecti
</a>
</p>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2019-10-14 18:52" pubdate>
2019-10-14
</time>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2019/10/13/IoU-Intersection-over-Union/" target="_blank">
<img src="http://p8.qhimg.com/bdm/216_133_0/t01b5b62248f4a5c4e1.jpg" srcset="/img/loading.gif" lazyload alt="IoU(Intersection over Union)">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h1 class="index-header">
<a href="/2019/10/13/IoU-Intersection-over-Union/" target="_blank">
IoU(Intersection over Union)
</a>
</h1>
<p class="index-excerpt">
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2019-10-13
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<time datetime="2019-09-26 22:40" pubdate>
2019-09-26
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2019-09-14
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