车牌识别--S5PV210測试第二次优化
优化：
1、RGB转HSV 浮点运算改成定点运算；
2、匹配模板由图片改成C语言数组；
3、优化測试BMP车牌图片读取（两层for循环改为一层for循环）。
总体相比优化之前时间降低110ms左右。
640x480: 160ms 左右
320x240: 55ms 左右
[liujia@210]#./car test/1.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
ÔÁ A F Q 7 8 7 Total Time: time use:158ms
[liujia@210]#./car test/2.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
ÔÁ A 8 S 3 0 8 Total Time: time use:162ms
[liujia@210]#./car test/3.bmp
BMP Size:230454, Info_length:54, H:320, W:240 The Car ID IS:
ÔÁ A G F 7 5 1 Total Time: time use:57ms
[liujia@210]#./car test/4.bmp
BMP Size:230454, Info_length:54, H:320, W:240 The Car ID IS:
ÔÁ A 8 S 3 0 8 Total Time: time use:55ms
[liujia@210]#./car test/5.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
ÔÁ M 0 7 3 6 9 Total Time: time use:141ms
[liujia@210]#./car test/6.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
ÔÁ A 6 Y 2 6 8 Total Time: time use:163ms
[liujia@210]#./car test/7.bmp
BMP Size:230454, Info_length:54, H:320, W:240 The Car ID IS:
ÔÁ A 9 X 6 6 7 Total Time: time use:59ms
[liujia@210]#./car test/8.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
ÔÁ A P 6 8 3 8 Total Time: time use:186ms
[liujia@210]#./car test/9.bmp
BMP Size:879414, Info_length:54, H:640, W:458 The Car ID IS:
ÔÁ A F N 5 5 3 Total Time: time use:167ms
[liujia@210]#./car test/10.bmp
BMP Size:1004214, Info_length:54, H:640, W:523 The Car ID IS:
Íî J 0 8 0 3 6 Total Time: time use:169ms
[liujia@210]#./car test/11.bmp
BMP Size:1035978, Info_length:54, H:665, W:519 The Car ID IS:
ËÕ B H 6 0 8 2 Total Time: time use:172ms
[liujia@210]#./car test/12.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
ÔÁ A F Z 9 0 5 Total Time: time use:172ms
[liujia@210]#./car test/13.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
ÔÁ A A D 2 6 3 Total Time: time use:172ms
眼下影响时间的问题，已经不是浮点了。而是大量的for循环中的运算，60%的时间都使用在车牌定位中。 一旦车牌定位后。后面的字符切割和匹配使用10ms左右时间。就能够完毕。
对照測试使用的笔记本I3-380cpu，虚拟机执行结果
640X480：27ms左右
320x240: 9ms左右
root@lj:/work/carid/0532# ./car test/1.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
▒▒ A F Q 7 8 7 Total Time: time use:27ms
root@lj:/work/carid/0532# ./car test/2.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
▒▒ A 8 S 3 0 8 Total Time: time use:103ms
root@lj:/work/carid/0532# ./car test/3.bmp
BMP Size:230454, Info_length:54, H:320, W:240 The Car ID IS:
▒▒ A G F 7 5 1 Total Time: time use:9ms
root@lj:/work/carid/0532# ./car test/4.bmp
BMP Size:230454, Info_length:54, H:320, W:240 The Car ID IS:
▒▒ A 8 S 3 0 8 Total Time: time use:9ms
root@lj:/work/carid/0532# ./car test/5.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
▒▒ M 0 7 3 6 9 Total Time: time use:23ms
root@lj:/work/carid/0532# ./car test/6.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
▒▒ A 6 Y 2 6 8 Total Time: time use:33ms
root@lj:/work/carid/0532# ./car test/7.bmp
BMP Size:230454, Info_length:54, H:320, W:240 The Car ID IS:
▒▒ A 9 X 6 6 7 Total Time: time use:9ms
root@lj:/work/carid/0532# ./car test/8.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
▒▒ A P 6 8 3 8 Total Time: time use:28ms
root@lj:/work/carid/0532# ./car test/9.bmp
BMP Size:879414, Info_length:54, H:640, W:458 The Car ID IS:
▒▒ A F N 5 5 3 Total Time: time use:25ms
root@lj:/work/carid/0532# ./car test/10.bmp
BMP Size:1004214, Info_length:54, H:640, W:523 The Car ID IS:
▒▒ J 0 8 0 3 6 Total Time: time use:27ms
root@lj:/work/carid/0532# ./car test/11.bmp
BMP Size:1035978, Info_length:54, H:665, W:519 The Car ID IS:
▒▒ B H 6 0 8 2 Total Time: time use:27ms
root@lj:/work/carid/0532# ./car test/12.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
▒▒ A F Z 9 0 5 Total Time: time use:27ms
root@lj:/work/carid/0532# ./car test/13.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
▒▒ A A D 2 6 3 Total Time: time use:25ms
对照ME865（OMAP4430）
640x480:130ms左右
320x240：50ms左右
root@edison:/data # ./car /sdcard/test/1.bmp
./car /sdcard/test/1.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
粤 A F Q 7 8 7 Total Time: time use:122ms
root@edison:/data # ./car /sdcard/test/2.bmp
./car /sdcard/test/2.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
粤 A 8 S 3 0 8 Total Time: time use:125ms
root@edison:/data # ./car /sdcard/test/3.bmp
./car /sdcard/test/3.bmp
BMP Size:230454, Info_length:54, H:320, W:240 The Car ID IS:
粤 A G F 7 5 1 Total Time: time use:50ms
root@edison:/data # ./car /sdcard/test/4.bmp
./car /sdcard/test/4.bmp
BMP Size:230454, Info_length:54, H:320, W:240 The Car ID IS:
粤 A 8 S 3 0 8 Total Time: time use:42ms
root@edison:/data # ./car /sdcard/test/5.bmp
./car /sdcard/test/5.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
粤 M 0 7 3 6 9 Total Time: time use:94ms
root@edison:/data # ./car /sdcard/test/6.bmp
./car /sdcard/test/6.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
粤 A 6 Y 2 6 8 Total Time: time use:134ms
root@edison:/data # ./car /sdcard/test/7.bmp
./car /sdcard/test/7.bmp
BMP Size:230454, Info_length:54, H:320, W:240 The Car ID IS:
粤 A 9 X 6 6 7 Total Time: time use:51ms
root@edison:/data # ./car /sdcard/test/8.bmp
./car /sdcard/test/8.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
粤 A P 6 8 3 8 Total Time: time use:132ms
root@edison:/data # ./car /sdcard/test/9.bmp
./car /sdcard/test/9.bmp
BMP Size:879414, Info_length:54, H:640, W:458 The Car ID IS:
粤 A F N 5 5 3 Total Time: time use:124ms
root@edison:/data # ./car /sdcard/test/10.bmp
./car /sdcard/test/10.bmp
BMP Size:1004214, Info_length:54, H:640, W:523 The Car ID IS:
皖 J 0 8 0 3 6 Total Time: time use:171ms
root@edison:/data # ./car /sdcard/test/11.bmp
./car /sdcard/test/11.bmp
BMP Size:1035978, Info_length:54, H:665, W:519 The Car ID IS:
苏 B H 6 0 8 2 Total Time: time use:207ms
root@edison:/data # ./car /sdcard/test/12.bmp
./car /sdcard/test/12.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
粤 A F Z 9 0 5 Total Time: time use:204ms
root@edison:/data # ./car /sdcard/test/13.bmp
./car /sdcard/test/13.bmp
BMP Size:921654, Info_length:54, H:640, W:480 The Car ID IS:
粤 A A D 2 6 3 Total Time: time use:138ms
车牌识别--S5PV210測试第二次优化的更多相关文章
- 车牌识别--S5PV210測试
cortex-A8(S5PV210) Linux-3.9.7 arm-linux-gcc 4.5.1(FriendlyARM) 根文件系统:NFS 软浮点执行结果: [liujia@210]#./so ...
- 泛泰A820L (高通MSM8660 cpu) 3.4内核的CM10.1(Android 4.2.2) 測试版第二版
欢迎关注泛泰非盈利专业第三方开发团队 VegaDevTeam (本team 由 syhost suky zhaochengw(z大) xuefy(大星星) tenfar(R大师) loogeo cr ...
- QTP,自己主动化測试学习笔记，六月九号
測试自己主动化实现的两个难点设计--功能分解 实现--对象的识别 測试自己主动化实现的两个难点-功能分解 清晰画出业务流程图 依据业务流程分解业务功能.能够被复用的功能也要被分解出来. 依照路径覆盖的 ...
- 车牌识别--OMAP4430处理器上測试
OMAP4430(ME865) arm-linux-gcc 4.5.1(FriendlyARM) 软浮点执行结果: root@lj:/workspace/carid# arm-linux-gcc ca ...
- 深度学习之Matlab 转C++在iOS上測试CNN手型识别
1 前言 在上一篇Blog.我介绍了在iOS上执行CNN的一些方法. 可是,一般来说.我们须要一个性能强劲的机器来跑CNN,我们仅仅只是须要将得到的结果用于移动端. 之前在Matlab使用UFLDL的 ...
- 真机測试时的错误:No matching provisioning profiles found
1.出现错误的原因是这种---- 公司接收一个外包项目,原来做真机測试的时候,用的是公司申请的苹果开发人员账号.如今项目结束了,准备上线,但客户要求使用客户自己的苹果开发人员是账号上线,于是就用客户的 ...
- 【金阳光測试】基于控件核心技术探讨---Android自己主动化系列（2）---2013年5月
第一讲分享了下安卓自己主动化一些概况和一些自己主动化框架现状和技术可以解决什么样的问题. 这次课就深入到android世界里面.遨游.翱翔.深入了解自己主动化測试核心技术. 搞过编程开发的同学听到in ...
- 【金阳光測试】大话Android自己主动化測试--Android自己主动化系列（1）--金阳光于2013年4月份
Android自己主动化測试框架和工具在四年多的发展日趋成熟. 从五年前的第一代自己主动化架构演进到眼下第四代(本系列讲座第7篇后将具体剖析第三代和第四代自己主动化框架)从曾经最早谷歌推崇的monke ...
- EasyPR--一个开源的中文车牌识别系统
我正在做一个开源的中文车牌识别系统,Git地址为:https://github.com/liuruoze/EasyPR. 我给它取的名字为EasyPR,也就是Easy to do Plate Reco ...
随机推荐
- 开源映射平台Mapzen加入了Linux基金会的项目
2019年1月29日,Linux基金会宣布,开源映射平台Mapzen现在是Linux基金会项目的一部分. Mapzen专注于地图显示的核心组件,如搜索和导航.它为开发人员提供了易于访问的开放软件和数据 ...
- yii2-Ueditor百度编辑器
今天在网上看了下有关图片上传的教程,历经挫折才调试好,现在把相关代码及其说明贴出来,以供初次使用的朋友们参考. 资源下载 yii2.0-ueditor下载路径: https://link.jiansh ...
- subline Text3 插件安装
--没有解决,换了vscode 安装Package Control 这是必须的步骤,安装任何插件之前需要安装这个 自动安装的方法最方便,只需要在控制台(不是win的控制台,而是subline 的)里粘 ...
- CIKM 2013 Paper Modeling interaction features for debate side clustering
中文简单介绍:本文对怎样对网上论坛讨论中用户交互关系进行统计建模分析进行了研究. 论文出处:CIKM'13. 英文摘要: Online discussion forums are popular so ...
- unix mkdir命令的使用方法
[语法]: mkdir [-m 模式] [-p] 文件夹名 [说明]: 本命令用于建立文件夹,文件夹的存取模式由掩码(umask)决定,要求对其父文件夹具有写权限,文件夹的UID和GID为实际 ...
- Ubuntu系统下的Mysql安装与使用
摘要 在本篇博文中.笔者将从基础出发.介绍Mysql在Linux环境下的安装和基本使用命令,仅适用于Mysql刚開始学习的人.大牛请绕道-- 安装Mysql数据库 这里介绍最最简单的安装方式,至于编译 ...
- 理解FPGA中的RAM、ROM和CAM；ROM、RAM、DRAM、SRAM、FLASH
目前大多数FPGA都有内嵌的块RAM(Block RAM),可以将其灵活地配置成单端口RAM(DPRAM,Single Port RAM).双端口RAM(DPRAM,Double Ports RAM) ...
- 16.C语言可变参数
//可变参数实现多个参数求和 1 #define _CRT_SECURE_NO_WARNINGS #include <stdlib.h> #include <stdio.h> ...
- RAID信息存放位置!
今天偶然的机会,客户打电话说有一台DELL T110的服务器换了主板电池RAID信息没了进不去系统了,问我怎么处理,T110的RAID是主板集成的S100的RAID卡(算是软RAID,通过BIOS配置 ...
- python学习二，字符串常用操作
字符串可以说是在日常开发中应用最广泛的了,现在来总结下有关python中有关字符串一些常用操作 首先我们声明一个字符串变量 str = "hello world" 下面我们来依次介 ...