<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[uwpk123的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/uwpk123</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; uwpk123]]></copyright><item><title><![CDATA[遥感云平台-GEE分块下载与拼接]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/152279983</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/152279983</guid><author>uwpk123</author><pubDate>Mon, 29 Sep 2025 22:12:08 +0800</pubDate><description><![CDATA[GEE分块下载与拼接]]></description><category></category></item><item><title><![CDATA[基于python的栅格数据标准差椭圆]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/149312400</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/149312400</guid><author>uwpk123</author><pubDate>Sun, 13 Jul 2025 17:15:41 +0800</pubDate><description><![CDATA[标准差椭圆空间统计方法（standard deviational elipse,SDE）能够精确地揭示地理要素空间分布整体特征。该方法基于研究对象的空间区位和空间结构，从全局性空间的角度定量解释地理要素空间分布的中心性、展布性、方向性、空间形态等特征，揭示地理要素的空间分布及时空演化过程。]]></description><category></category></item><item><title><![CDATA[遥感云平台-GEE加载数据颜色拉伸]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/145076206</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/145076206</guid><author>uwpk123</author><pubDate>Sun, 12 Jan 2025 00:31:24 +0800</pubDate><description><![CDATA[在Google Earth Engine（GEE）中加载影像时，颜色设置是一个关键步骤，它直接影响图像的可视化效果。颜色设置主要涉及两个核心要素：最值和色带。对于已知数据范围的情况，比如NDVI（归一化植被指数），我们可以直接设置最大值为1，最小值为-1或0。然而，当处理未知范围的数据时，例如LST（地表温度）或WET（湿度）等参数，通常需要手动估计最值，这可能导致图像效果不够理想。为了更科学地设置颜色范围，我们可以借助统计学中的3σ3\sigma3σ原则。]]></description><category></category></item><item><title><![CDATA[遥感云平台-GEE利用Landsat5/7/8/9计算时序RSEI（python）]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/144156634</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/144156634</guid><author>uwpk123</author><pubDate>Sat, 30 Nov 2024 16:29:33 +0800</pubDate><description><![CDATA[GEE-python计算长时间序列的RSEI]]></description><category></category></item><item><title><![CDATA[遥感云平台-GEE利用Landsat5/7/8/9计算时序RSEI（javascript）]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/143171159</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/143171159</guid><author>uwpk123</author><pubDate>Wed, 23 Oct 2024 10:52:03 +0800</pubDate><description><![CDATA[GEE计算时序RSEI，资料整理与问题汇总]]></description><category></category></item><item><title><![CDATA[遥感云平台-GEEpython本地安装]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/143135832</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/143135832</guid><author>uwpk123</author><pubDate>Mon, 21 Oct 2024 23:10:02 +0800</pubDate><description><![CDATA[【代码】遥感云平台-GEEpython本地安装]]></description><category></category></item><item><title><![CDATA[机器学习基础-实践方法论（Datawhale X 李宏毅苹果书 AI夏令营）]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/141874821</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/141874821</guid><author>uwpk123</author><pubDate>Tue, 03 Sep 2024 23:57:17 +0800</pubDate><description><![CDATA[2 机器学习实践方法论
模型偏差

模型偏差可能会影响模型训练


优化问题

增加模型的灵活性
线性模型、支持向量机：比较不会有优化失败的问题

过拟合

增加数据集
数据增强：根据问题的理解创造出新的数据
早停、正则化、丢弃法

交叉验证

训练集和验证集

不匹配

]]></description><category></category></item><item><title><![CDATA[机器学习基础-线性模型（Datawhale X 李宏毅苹果书 AI夏令营）]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/141761204</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/141761204</guid><author>uwpk123</author><pubDate>Sat, 31 Aug 2024 23:53:08 +0800</pubDate><description><![CDATA[机器学习基础-线性模型（Datawhale X 李宏毅苹果书 AI夏令营）]]></description><category></category></item><item><title><![CDATA[机器学习基础-基础概念（Datawhale X 李宏毅苹果书 AI夏令营）]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/141614145</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/141614145</guid><author>uwpk123</author><pubDate>Tue, 27 Aug 2024 22:34:29 +0800</pubDate><description><![CDATA[机器学习基础-基础概念（Datawhale X 李宏毅苹果书 AI夏令营）]]></description><category></category></item><item><title><![CDATA[遥感云平台-GEE获取CLCD土地利用数据（python+土地利用转移矩阵+桑基图）]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/140605484</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/140605484</guid><author>uwpk123</author><pubDate>Mon, 22 Jul 2024 14:51:37 +0800</pubDate><description><![CDATA[遥感云平台-GEE获取CLCD土地利用数据（python+土地利用转移矩阵+桑基图）]]></description><category></category></item><item><title><![CDATA[遥感云平台-GEE下载Landsat8/9影像数据（python）]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/140519800</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/140519800</guid><author>uwpk123</author><pubDate>Thu, 18 Jul 2024 12:48:07 +0800</pubDate><description><![CDATA[遥感云平台-GEE本地下载Landsat8/9数据]]></description><category></category></item><item><title><![CDATA[遥感云平台-GEE下载Landsat8/9影像数据（javascript）]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/140518747</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/140518747</guid><author>uwpk123</author><pubDate>Thu, 18 Jul 2024 12:24:20 +0800</pubDate><description><![CDATA[GEE平台下载Landsat8/9影像数据]]></description><category></category></item><item><title><![CDATA[激光雷达技术与地学应用（双语）]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/139922464</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/139922464</guid><author>uwpk123</author><pubDate>Mon, 24 Jun 2024 12:56:05 +0800</pubDate><description><![CDATA[本资料仅供参考，如有错误私信。]]></description><category></category></item><item><title><![CDATA[遥感云平台- AIE/PIE获取长时间序列ODIAC数据]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/138453770</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/138453770</guid><author>uwpk123</author><pubDate>Sat, 04 May 2024 23:53:08 +0800</pubDate><description><![CDATA[ODIAC碳排放数据AIE和PIE获取]]></description><category></category></item><item><title><![CDATA[遥感物理基础]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/134634430</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/134634430</guid><author>uwpk123</author><pubDate>Sun, 26 Nov 2023 22:23:37 +0800</pubDate><description><![CDATA[遥感物理基础]]></description><category></category></item><item><title><![CDATA[地图制图学基础]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/134631516</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/134631516</guid><author>uwpk123</author><pubDate>Sun, 26 Nov 2023 21:59:52 +0800</pubDate><description><![CDATA[本文参考地图学（复习）]]></description><category></category></item><item><title><![CDATA[遥感数字图像处理-图像增强和图像分割]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/130445394</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/130445394</guid><author>uwpk123</author><pubDate>Sun, 30 Apr 2023 00:24:19 +0800</pubDate><description><![CDATA[遥感数字图像处理中的图像增强和图像分割部分]]></description><category></category></item><item><title><![CDATA[遥感数字图像处理]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/130445105</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/130445105</guid><author>uwpk123</author><pubDate>Sat, 29 Apr 2023 23:48:12 +0800</pubDate><description><![CDATA[遥感数字图像处理笔记整理]]></description><category></category></item><item><title><![CDATA[GNSS测量原理与应用]]></title><link>https://blog.youkuaiyun.com/uwpk123/article/details/130427537</link><guid>https://blog.youkuaiyun.com/uwpk123/article/details/130427537</guid><author>uwpk123</author><pubDate>Fri, 28 Apr 2023 15:58:00 +0800</pubDate><description><![CDATA[GNSS测量原理与应用复习]]></description><category></category></item></channel></rss>