<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[空大白]]></title><description><![CDATA[技术人]]></description><link>https://blog.youkuaiyun.com/mhsszm</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; mhsszm]]></copyright><item><title><![CDATA[Tensorflow-lite 固定推理输入 校验输出]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/136379111</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/136379111</guid><author>mhsszm</author><pubDate>Thu, 29 Feb 2024 19:40:32 +0800</pubDate><description><![CDATA[benchmark_model  --input_layer  --input_layer_shape --input_layer_value_files 参数的使用。这几个参数的使用可以benchmark_model – help 查看详细的释意。如上构造了一个全为1.0的维度为1。写个日志记录一下这种数据比对方式。224*224的一个输入数据。]]></description><category></category></item><item><title><![CDATA[OpenCL并行加减乘除示例——数据并行]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/108286649</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/108286649</guid><author>mhsszm</author><pubDate>Fri, 28 Aug 2020 21:41:43 +0800</pubDate><description><![CDATA[数据并行化计算与任务并行化分解可以加快程序的运行速度。现在只讲数据并行。下一节讲任务并行。
如下基本算术例子，输入数组A和数组B，得到输出数组C，C的结果如图中output所示。
A数组如下：5行4列。

B数组如下：同样是5行4列。

实现的结果：
第1列蓝色  的值相加；
第2列绿色  的值相减；
第3列红色  的值相乘；
第4列青色  的值相除；
C++ 的示意代码如下：
float C[16];
int i;
for(i=0; i&lt;5; i++)
{
       C[i*4+0] = A[i]]></description><category></category></item><item><title><![CDATA[一系列点画框（不规则框）]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/106495745</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/106495745</guid><author>mhsszm</author><pubDate>Tue, 02 Jun 2020 14:42:26 +0800</pubDate><description><![CDATA[做个记录：先求点的凸包，再画
void draw_hull()
{
    int w = 600;
    int h = 500;
    cv::Mat  polyImg = cv::Mat::zeros(w,h,CV_8UC3);
    std::vector&lt;Point&gt; planevKeys = 
    {
        {159 , 64}, {136 , 74 }, {178 , 34 }, {132 , 89 },{124 , 112}, {178 , 50 },{101]]></description><category></category></item><item><title><![CDATA[初识opencl]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/106163028</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/106163028</guid><author>mhsszm</author><pubDate>Sat, 16 May 2020 19:02:05 +0800</pubDate><description><![CDATA[初识opencl以一个例子开头
以一个例子开头
在自己的笔记本电脑上(win10)安装intel的那个opencl包，安装后，记得将include与lib包拷贝出来，然后在以后的使用中只要链接这个库就ok了。
例子代码如下：（出自opencl in action）
#pragma once
#define _CRT_SECURE_NO_WARNINGS
#define PROGRAM_FILE "matvec.cl"
#define KERNEL_FUNC "matvec_mult"

#include &]]></description><category></category></item><item><title><![CDATA[macOS无法验证此App不包含恶意软件]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/106116614</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/106116614</guid><author>mhsszm</author><pubDate>Thu, 14 May 2020 11:48:59 +0800</pubDate><description><![CDATA[换了iMac，刚用有点不习惯，特别是它这安全机制，比ubuntu高太多。。。
想用android进行交叉编译，里面的很多那种可执行文件，会弹出如下错误

解决办法：
1.点取消
2.打开系统偏好设置

3.点安全与隐私

4.   已阻止使用  后面的 仍然允许。

搞定一个，后面的一样，有十来个吧。。。

...]]></description><category></category></item><item><title><![CDATA[android 交叉编译dbow3]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/106105251</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/106105251</guid><author>mhsszm</author><pubDate>Wed, 13 May 2020 19:54:59 +0800</pubDate><description><![CDATA[ndk 20版本是可以直接过的，但是ndk14b时，编译报如下错误：
 arm-linux-androideabi-gcc: error: unrecognized command line option '-fno-integrated-as'
    arm-linux-androideabi-gcc: error: unrecognized command line option '-fno-integrated-as'
    arm-linux-androideabi-gcc: error: un]]></description><category></category></item><item><title><![CDATA[android jni打印log]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/105636141</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/105636141</guid><author>mhsszm</author><pubDate>Mon, 20 Apr 2020 15:28:30 +0800</pubDate><description><![CDATA[android log 头文件

#include "log.h"
#include&lt;android/log.h&gt;
#include &lt;MNN_jni.h&gt;

#define TAG "NDK"
#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG,TAG ,__VA_ARGS__)

2.打印log
与C中的pr...]]></description><category></category></item><item><title><![CDATA[记事本]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/105137271</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/105137271</guid><author>mhsszm</author><pubDate>Fri, 27 Mar 2020 11:21:51 +0800</pubDate><description><![CDATA[https://github.com/YadiraF/PRNet.
Joint 3D Face Reconstruction and DenseAlignment with Position Map RegressionNetwork

]]></description><category></category></item><item><title><![CDATA[hisi3516下yuv图片到nnie bgr_u8c3格式转换]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/104946840</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/104946840</guid><author>mhsszm</author><pubDate>Wed, 18 Mar 2020 16:40:32 +0800</pubDate><description><![CDATA[首先要看的sdk文档（HiIVE　API 参考）
其中详细说明了 IVE_IMAGE_TYPE_YUV420SP,IVE_IMAGE_TYPE_YUV420P,IVE_IMAGE_TYPE_YUV422SP,IVE_IMAGE_TYPE_U8C3_PACKAGE,IVE_IMAGE_TYPE_U8C3_PLANAR等文件格式，而我们也需要使用IVE提供的　HI_MPI_IVE_CSC　进行图片格式...]]></description><category></category></item><item><title><![CDATA[nfs方式访问海思3516]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/104917764</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/104917764</guid><author>mhsszm</author><pubDate>Tue, 17 Mar 2020 11:33:24 +0800</pubDate><description><![CDATA[１．嵌入式linux下挂载nfs出现permission denied的解决方法
在hisi3516下挂载：
ifconfig eth0 192.168.3.99 up            ＃嵌入式linux ip地址
mount -t nfs -o nolock  192.168.3.251:~/huatu/rootfs /mnt

释义：
将主机　192.168.3.251:~/huatu/...]]></description><category></category></item><item><title><![CDATA[UnicodeDecodeError: 'ascii' codec can't decode byte 0xe6 in position 311: ordinal not in range(128)]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/102936486</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/102936486</guid><author>mhsszm</author><pubDate>Wed, 06 Nov 2019 15:51:29 +0800</pubDate><description><![CDATA[今天在做python2到python3迁移时configparser模块报如下错误：
  File "/usr/lib/python3.5/configparser.py", line 696, in read
    self._read(fp, filename)
  File "/usr/lib/python3.5/configparser.py", line 1012, in _read
...]]></description><category></category></item><item><title><![CDATA[onnx,caffe模型查看各层的内容]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/102764167</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/102764167</guid><author>mhsszm</author><pubDate>Sun, 27 Oct 2019 10:08:10 +0800</pubDate><description><![CDATA[https://lutzroeder.github.io/netron/


]]></description><category></category></item><item><title><![CDATA[pytorch 学习　简单resnet殘差网络]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/102627579</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/102627579</guid><author>mhsszm</author><pubDate>Fri, 18 Oct 2019 16:30:09 +0800</pubDate><description><![CDATA[代码源自：https://github.com/yunjey/pytorch-tutorial
这里只是将其做为一个学习样例，具体代码见：02-intermediate/deep_residual_network
１．看下面的网络结构：
#3x3 convolution　
def conv3x3(in_channels, out_channels, stride=1):
    return nn...]]></description><category></category></item><item><title><![CDATA[pytorch学习－－卷积神经网络]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/102589262</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/102589262</guid><author>mhsszm</author><pubDate>Wed, 16 Oct 2019 17:57:58 +0800</pubDate><description><![CDATA[代码源自：https://github.com/yunjey/pytorch-tutorial
这里只是将其做为一个学习样例．
＃引入包
import torch 
import torch.nn as nn
import torchvision
import torchvision.transforms as transforms

                
# Device confi...]]></description><category></category></item><item><title><![CDATA[将一列分裂成四列，进行联合查询．]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/101429872</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/101429872</guid><author>mhsszm</author><pubDate>Thu, 26 Sep 2019 11:33:07 +0800</pubDate><description><![CDATA[有些数据杂揉在一起，我们要将其一列分裂成四列，进行联合查询．如下查询语句，将 B.Rssi这一列分为RssiA，RssiB，RssiC，RssiD四列．使用join关键字进行联合查询．
select a.ID ID ,a.PX PX,a.PY PY,b.Rssi RssiA,c.Rssi RssiB,d.Rssi RssiC,e.Rssi RssiD
 from (SELECT BP.ID,SP....]]></description><category></category></item><item><title><![CDATA[MQTT环境搭建(python测试)]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/101208815</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/101208815</guid><author>mhsszm</author><pubDate>Mon, 23 Sep 2019 16:39:54 +0800</pubDate><description><![CDATA[在ubuntu16.04/rk3399上搭建mqtt服务器并不难，主要就是用到了mosquitto这款消息代理服务软件．其采用发布/订阅模式传输机制，轻量、简单、开放并易于实现，被广泛应用于物联网之中．
１．环境搭建
1.1依赖环境
sudo apt  install gcc-c++
sudo apt install cmake
sudo apt install openssl-dev

1.2 ...]]></description><category></category></item><item><title><![CDATA[undefined symbol: _ZTINSt6thread6_StateE]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/100559772</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/100559772</guid><author>mhsszm</author><pubDate>Thu, 05 Sep 2019 15:53:09 +0800</pubDate><description><![CDATA[Exception: /usr/local/lib/lib＊.so: undefined symbol: _ZTINSt6thread6_StateE

这两天被这个坑惨了．．．
其实是gcc版本的问题，是编译的某个库的gcc与现在调用的gcc版本不致，我调用的gcc是
gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.11) 5.4.0 20160609

当改为：...]]></description><category></category></item><item><title><![CDATA[raspberry pi 4系统环境安装]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/99313671</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/99313671</guid><author>mhsszm</author><pubDate>Mon, 12 Aug 2019 17:14:53 +0800</pubDate><description><![CDATA[找官网喽
https://projects.raspberrypi.org/en/projects/raspberry-pi-setting-up
进入setting-up　然后就上当了，先下载安装NOOBS，然后插入SD卡，要我这种没有hmdi那种转接线的，就玩不下去了．．
坑．．．
所以按之前的经验当然是下os.img，下载地址如下：
https://www.raspberrypi.org/d...]]></description><category></category></item><item><title><![CDATA[rk3399,jetson nano 安装mxnet]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/98079561</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/98079561</guid><author>mhsszm</author><pubDate>Thu, 01 Aug 2019 17:37:59 +0800</pubDate><description><![CDATA[一．rk3399　安装mxnet
1.打开官网
http://mxnet.incubator.apache.org/versions/master/install/index.html?platform=Devices&amp;language=Python&amp;processor=CPU
选择如下图：
２．找到Native Build
步骤如下：
１)．装依赖
    sudo apt-ge...]]></description><category></category></item><item><title><![CDATA[Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and relate]]></title><link>https://blog.youkuaiyun.com/mhsszm/article/details/97780277</link><guid>https://blog.youkuaiyun.com/mhsszm/article/details/97780277</guid><author>mhsszm</author><pubDate>Tue, 30 Jul 2019 14:23:13 +0800</pubDate><description><![CDATA[不要相当然，这个库是不用make的．．．
见INSTALL2
Method 2. Installing using CMake
********************************

Let's call this directory 'source_dir' (where this INSTALL file is).
Before starting, create another d...]]></description><category></category></item></channel></rss>