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RSS订阅原创 Daily | Training
CatalogueError1、RuntimeError: cublas runtime error : the GPU program failed to execute at /pytorch/aten/src/THC/THCBlas.cu:1162、tensorboard command not found3、RuntimeError:_thnn_conv2d_forward not supported on CUPType for Byte4、RuntimeError: CUDA error: in
2020-10-03 19:24:55
674
原创 RL | DQN
CatalogueDQN FrameworkApplication1.1 Cartpole Introduction1.2 CodeReferenceDQN FrameworkThe agent interacts with the environment to generate next state, reward and termination information, which will be stored in a replay buffer.Agent与环境交互，产生下一个状态、奖
2020-09-04 22:27:10
453
原创 OpenGL | Learn From Basic Examples - IndexBuffer-Uniforms
CatalogueExample 1 - Index Buffer1.1 Source Code1.2 NotesExample 1 - Index BufferReuse existing vertices.重用缓冲区的顶点1.1 Source Code // 顶点信息 float positions[] = { 0.0f, 1.0f, // 0 0.5f, 0.0f, // 1 -0.5f, 0.0f, // 2 0.0f,-1.0f // 3
2020-07-30 09:29:42
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原创 Dataset | CIFAR-100
CatalogueDownload and Description1.1 official websiteLoaders1.1 code directory1.2 simply loader1.3 torch loader1.4 pickle loaderReferenceDownload and Description1.1 official websitelinkLoaders1.1 code directoryimages: output folder of the dataset
2020-07-27 09:48:27
751
原创 Daily | jupyter notebook
CatalogueInstall AnacondaJupyter NotebookInstall AnacondaJupyter Notebookconda activate [env]conda install jupyter notebook# set passwordjupyter notebook password# run jupyter notebook in the backgroundnohup jupyter notebook --port [port] > ./.j
2020-07-23 09:53:41
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原创 OpenGL | Learn From Basic Examples - BasicShader
CatalogueBasic Knowledge1.1 OpenGL is a specification (API) or a library?1.2 OpenGL pipeline1.3 What's the difference between glfw, glew and glutDevelopment Environment1.1 Visual Studio1.2 OpenGL dependency libraries (e.g. glfw etc.)ResourceExample 1 - Cre
2020-07-16 14:08:24
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原创 Math | Fourier Series & Fourier Transform
CatalogueBasic knowledge1.1 How to describe a waveBasic knowledge1.1 How to describe a wave[formula] x = Asin( ωt + φ ）A means amplitude.ω represents angle rate.
2020-06-10 11:14:27
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原创 Framework | Tensorrt Inference Server
CataloguePull the docker image1.1 download from domestic images sourcePull the docker image1.1 download from domestic images source
2020-02-25 17:55:28
626
原创 Daily | python & pip
CatalogueInstall python2 / python31.1 switch python versionInstall setuptoolsInstall pip1.1 installation1.2 alter pip sourceReferenceInstall python2 / python3alter apt-srouces to aliyunapt-get in...
2020-02-19 21:46:53
192
原创 Framework | Docker & Nvidia-Docker
CatalogueInstallation1.1 update apt sourceInstallation1.1 update apt source# add GPG secret keycurl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add - # add ali_clou...
2020-02-16 15:25:08
213
原创 Daily | Ubuntu Environment Configure - Pingyin & Cuda10.1
CatalogueBackup the apt sources and alter to aliyun1.1 back up1.2 overwrite the content1.3 updateping-yin environment2.1 install ibus2.2 configureBackup the apt sources and alter to aliyun1.1 back u...
2020-02-15 12:19:11
191
原创 Framework | REST
一、REST (Representational State Transfer)1.1 CharacteristicsThe resource is located by URL.The system is designed from the perspective of resource, rather than from the perspective of operation a...
2020-02-12 10:23:40
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原创 Daily | Pytorch Installation
目录Pytorch Environment1.add source2.install components3.issuesPytorch Environment1.add sourceconda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/msys2/conda config --add...
2020-02-10 15:57:21
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原创 Daily | 固态硬盘装Win，机械硬盘装Ubuntu
1、 TipsUEFI must correspond to GPT(Guid), Legacy must correspond to MBR, or may not install win10 in solid state hardwok.When using diskGenius part2、 Solid state hardwork installs win10
2020-01-31 12:05:33
181
原创 Leetcode_UnionFind(level_M)_200_547
CatalogueDescription_200_number-of-islandsDescription_547_friend-circlesThinkingCodeDescription_200_number-of-islandsDescription_547_friend-circlesThinkingSomething In CommonBoth of two questio...
2019-08-08 21:41:20
180
原创 Leetcode_DP(level_M)_413_ArithmeticSlices
CatalogueDescriptionThinkingCodeDescriptionThinkingViolent solutioni traverses from 1 to n while j traverses from i-1 to 0. When j+1 equal to i, the default equal difference is A[i] - A[j], and ...
2019-08-01 20:59:27
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原创 Leetcode_DP(level_M)_712_MinimumASCIIDeleteSumForTwoStrings
CatalogueDescriptionThinkingCodeDescriptionThinkingTips: We will traverse both of two strings, if s1[i] != s2[j], we must delete one of them to minimize the ASCII.State: dp[i][j] denotes the mini...
2019-08-01 00:04:46
117
原创 Leetcode_DP(level_M)_647_PalindromicSubstrings
CatalogueDescriptionThinkingCodeDescriptionThinkingPlan A (Two-dimensional, from top to bottom)State: dp[i][j] denotes whether the substring whose indices from i to j is a palindrom.Transformati...
2019-07-31 21:32:07
125
原创 Leetcode_DP(level_M)_120_Triangle
CatalogueDescriptionThinkingDescriptionThinkingPlan A (Two-dimensional, from top to bottom)State: dp[i][j] denotes the minimum distance from top to triangle[i][j]Transformation equation : dp[i][...
2019-07-31 19:56:59
116
原创 Leetcode_DP(level_M)_877_StoneGame
CatalogueDescriptionThinkingCodeConclusionDescriptionThinkingSorry, I have no idea yet about how to solve this problem with a one-dimensional array right now. Maybe I’ll follow up at another time ...
2019-07-29 17:02:43
168
原创 Leetcode_DP_198_HouseRobber
CatalogureDescriptionThinkingCodeDescriptionThinkingInitial State: dp[0] = nums[0], dp[1] = nums[1];State Transformation Equation: dp[i] = max{dp[i-1], dp[i-2]+nums[i]};Codeclass Solution {pu...
2019-07-29 13:11:19
167
原创 Leetcode_DP_53_MaximumSubarray
CatalogueDescriptionThinkingState transformation equationCodeDescriptionThinkingState transformation equationdp[i] = max{num[i], dp[i-1]+dp[i-1]}Codeclass Solution {public: int maxSubArra...
2019-07-28 20:57:11
115
原创 Leetcode_DP_303_RangeSumQuery(Immutable)
CatalogueDescriptionThinkingCodeDescriptionThinkingViolent SolutionCreating a two-dimensional array dp where dp[i][j] denotes the sum of the elements between indices i and j.Dynamic Programmi...
2019-07-28 19:25:21
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原创 Leetcode_DP_121_BestTimeToBuyAndSellStock
CatalogueDescriptionThinkingState: dp[i], dp[1] = false, dp[2] = true;Transformation equation：dp[i] = (N / j == 0 && dp[j]) ?? true : false;CodeDescriptionThinkingLet us assume a one-dimen...
2019-07-28 16:46:20
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原创 Real-Sense-d435i configure
Reference :(document) https://github.com/IntelRealSense/librealsense/blob/master/doc/installation.md(csdn block) https://blog.youkuaiyun.com/qq_41839222/article/details/86503113Platform :cat /proc/ver...
2019-03-05 19:22:21
533
原创 Linux Kernel Clean (Free /boot space)
Reference :(csdn block)https://blog.youkuaiyun.com/iam333/article/details/37874683Platform :cat /proc/versionUbuntu 16.04 LSTNote :Install three kernels may use 180 MB (in /boot)Procedure :che...
2019-02-09 16:52:48
298
原创 Ceres_Pose Graph Example
一、问题背景个人理解觉得这是一个Bundle Adjustment的过程引用《视觉SLAM十四讲》的一句话“在SLAM中，通常的做法是先使用P3P/EPnP等方法估计相机位姿，然后构建最小二乘优化问题对估计值进行调整（Bundle Adjustment）”。 这里“对估计值进行调整”可以用g2o，也可以用ceres进行图优化。二、二维图优化二维状态包含位置 ppp （2维...
2018-06-01 15:23:48
933
原创 SLAM_李群李代数
一、群G=(A, ·) 一种集合（如旋转矩阵，A表示）加上一种运算（如乘法，·表示）的代数结构封闭性结合性幺元 ∃a0∈A,使得∀a∈A,a0⋅a=a⋅a0=a∃a0∈A,使得∀a∈A,a0·a=a·a0=a{\exists}a_0{\in}A,使得{\forall}a{\in}A, a_0·a=a·a_0=a例如 有理数（除零）的乘法G=（Q∗Q∗Q^{*}, +），...
2018-05-31 16:25:58
279
原创 Ceres_1
一、非线性最小二乘minx12∑ipi(||fi(xi1,...,xik)||2)s.t.lj≤xj≤ujminx12∑ipi(||fi(xi1,...,xik)||2)s.t.lj≤xj≤uj\underset{x}{\mathrm min} \frac{1}{2}\sum_{i} pi(||f_i(x_{i_1},...,x_{i_k})||^2)\\s.t. l_j\le x_j \le...
2018-05-31 11:47:26
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原创 Spring MVC-数据增删改查、PDF报表生成
一、工程目录1、java源码目录com.commonTools MD5Encoding:MD5加密类，用于登录密码加密、解密com.controller LoginAction: 登录输入密码后跳转到的控制器，连接数据库并验证密码，验证成功进入查询界面RegisterAction:根据输入的信息注册（插入数据库）StuOptionController:处理查询、删除、修改、生成PDF报表
2017-11-26 15:14:29
372
原创 CMAKE
1、文件目录：【第一级目录】 bin：放可执行文件，生成的可执行文件（类似于WINDOWS 下的EXE）都放在这include ： 放头文件，有些程序员没有单独将头文件放在include下，而是将头文件与源文件一起放在src下src：源文件lib：链接文件，生成的一些（动态/静态）链接库（.so）都放这CMakeLists.txt：这个文件可以理解为写编译指令README.md：这个文件可
2017-10-20 09:38:08
307
原创 Ceres
ceres_p1.cpp#include <iostream>#include <ceres/ceres.h>using namespace std;struct CostFunction_model { template <class T> bool operator () (const T* const x, T* residual) const { // g
2017-07-04 21:40:09
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原创 Ubuntu16.04+Tensorflow+CUDA8.0
注：此篇为源码编译方式安装Tensorflow，不过也可以通过其他方法，比如Anaconda，我没试过：）一、参考资料：【http://blog.youkuaiyun.com/zhaoyu106/article/details/52793183/】二、事先装好Ubuntu16.04+CUDA8.0三、cuDNN v5:利用GPU加速卷积神经网络，提高整个网络训练速度。拷贝库文件： sudo cp cuda
2017-04-29 00:35:46
4689
原创 OpenGL
一、主要流程：变换\投影->光栅化->着色->纹理贴图->混合二、配置：附：【修改VS默认属性表】：http://blog.youkuaiyun.com/windows_nt/article/details/12676085相关库： glu:【OpenGL Utility Library】实用库glut:【OpenGL Utility Toolkit】实用工具箱glTools:包含用于操作矩阵和向量的3D
2017-04-13 09:31:45
471
原创 图像标定
<补充>（1）由于（u,v）(#像素坐标系#)只代表像素的列数和行数，还需建立以物理单位（如毫米）表示的（x，y）（#图像坐标系#）（2）1.内参： <资料>: http://blog.youkuaiyun.com/aptx704610875/article/details/48914043 http://www.cnblogs.com/haoxing990/p/4588566.html
2017-03-16 12:12:49
10358
原创 Android_QA
一、无法显示标题栏解决：需要继承AppCompatActivity;二、模拟器APP启动时闪退调大模拟器heap：Tools -> Android -> AVD manager -> 编辑 -> Show Advanced Settings -> VM heap调为400M检查空指针，注意findViewById找到的控件是否在当前页面
2017-03-12 13:55:38
254
原创 Swift-QA
1、 Warning: Attempt to present < UIAlertController: 0x17e8ed30> on < GitHubApp.ViewController: 0x17d69040 > whose view is not in the window hierarchy!该错误一般是由于在 viewDidLoad 里面调用引起的，解决办法是转移到 viewDidAp
2017-03-11 14:35:18
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原创 视觉SLAM整理（1）
一、三个坐标系（世界坐标、相机坐标、图像坐标）1、一个定则（右手定则）： 注:图片来源http://www.zybang.com/question/35583619443d2163d5dd731826c47f1a.html2、三个坐标系图解： 注：图片来源http://blog.sina.com.cn/s/blog_b364631a0101imw1.htm
2017-02-20 08:30:42
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原创 视觉SLAM整理（2）数学篇
一、正交矩阵概念：AAT=EAA^T = E性质： 各行/列是单位向量且两两正交二、变换矩阵1.包括：左上旋转、右上平移、左下缩放、右下为12.旋转向量-&amp;gt;旋转矩阵：通过Rodrigues
2017-02-19 13:57:43
441
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