分享一个OpenMV教程，挺详细的，新手必看。
目录
OpenMV 内部资料.....................................................1
201705/08...........................................................1
1、OpenMV 快速参考..................................................6
1.1、OpenMV 摄像头..............................................6
通用控制........................................................6
LED.............................................................6
引脚和GPIO .....................................................6
舵机控制........................................................7
外部中断........................................................8
计时器..........................................................8
PWM (脉宽调制)..................................................9
ADC (模数转换)..................................................9
DAC (数模转换).................................................10
UART (串口)....................................................10
SPI 总线.......................................................11
I2C总线.......................................................11
2、OpenMV 教程.....................................................12
2.1、I/O 教程..................................................12
PYB模块.......................................................12
2.2、LED 控制..................................................12
2.3、OpenMV IDE 概述...........................................13
文件菜单和示例.................................................13
文字编辑.......................................................13
连接到您的OpenMV 摄像头........................................14
运行脚本.......................................................14
帧缓冲区查看器.................................................15
直方图显示.....................................................15
串口...........................................................15
状态栏.........................................................16
工具...........................................................16
打开终端.......................................................16
机器视觉.......................................................16
2.4、硬件设置..................................................17
USB 闪存驱动器说明.............................................17
3、固件升级与更新..................................................17
3.1、更新固件..................................................17
4、基本使用........................................................21
4.1、软件与驱动安装............................................21
5、示例讲解........................................................24
5.1、01-基本功能...............................................24
5.1.1、helloworld..........................................24
5.1.2、基本示例............................................25
5.2、02-基本驱动...............................................25
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5.2.1、ADC 读取示例........................................26
5.2.2、DAC控制示例........................................26
5.2.3、IIC 从机............................................26
5.2.4、IIC 控制............................................29
5.2.5、LED控制示例........................................29
5.2.6、PWM控制示例........................................30
5.2.7、SPI 从机............................................31
5.2.8、SPI 控制............................................33
5.2.9、串口................................................35
5.2.10、定时器控制示例.....................................35
5.2.11、引脚控制实例.......................................36
5.2.12、舵机控制...........................................36
5.2.13、超频示例...........................................37
5.3、03-绘图...................................................37
5.3.1、图像复制帧缓冲区....................................37
5.3.2、彩色绘制示例........................................38
5.3.3、绘制各种标识........................................39
测试绘制点.....................................................40
测试绘制线.....................................................40
测试绘制矩形...................................................41
测试绘制圆.....................................................42
测试绘制字符串.................................................42
测试绘制十字架.................................................43
测试绘制关键点.................................................43
5.4、04-图像过滤器.............................................44
5.4.1、中值滤波器..........................................44
5.4.2、中点过滤器..........................................44
5.4.3、侵蚀和扩张的........................................45
5.4.4、基本图像帧区别......................................46
5.4.5、平均过滤器..........................................47
5.4.6、彩色二进制过滤器....................................48
5.4.7、模式过滤器..........................................49
5.4.8、灰度二进制过滤器....................................50
5.4.9、灰度过滤器..........................................51
5.4.10、线性滤波...........................................52
5.4.11、边缘检测...........................................53
5.4.12、锐化滤镜...........................................54
5.4.13、高级图像帧区别.....................................55
5.5、05-拍照...................................................56
5.5.1、人脸检测快照........................................56
5.5.2、快照................................................58
5.5.3、浮雕快照............................................59
5.5.4、移动监测快照........................................59
5.6、06-视频录制...............................................61
5.6.1、GIF 录制人脸检测....................................61
5.6.2、GIF视频录制示例....................................63
5.6.3、MJPEG 录像面部检测..................................64
5.6.4、MJPEG视频录制示例..................................65
5.6.5、MJPEG视频录制移动示例..............................66
5.6.6、视频录制移动示例....................................68
5.7、07-人脸识别...............................................70
5.7.1、LBP 面部识别........................................70
5.7.2、面部检测示例........................................70
5.7.3、面部跟踪示例........................................72
5.8、08-眼球跟踪...............................................74
5.8.1、虹膜检测............................................74
5.8.2、面部眼睛检测示例....................................76
5.9、09-特征检测...............................................77
5.9.1、Canny 和Hough 变换..................................77
5.9.2、HoG.................................................78
5.9.3、光流示例............................................78
5.9.4、关键点对象跟踪......................................79
5.9.5、关键点描述符示例....................................81
5.9.6、局部二进制模式（LBP）示例...........................82
5.9.7、模板匹配............................................83
5.9.8、边缘检测............................................85
5.10、10-颜色跟踪..............................................86
5.10.1、单色RGB565 Blob跟踪示例...........................86
5.10.2、单色代码跟踪示例...................................87
5.10.3、单色灰度Blob跟踪示例..............................88
5.10.4、图像直方图信息示例.................................89
5.10.5、图像统计信息示例...................................90
5.10.6、彩色Blob跟踪示例..................................90
5.10.7、彩色代码跟踪示例...................................91
5.10.8、红外信标RGB565跟踪示例............................93
5.10.9、红外信标灰度跟踪示例...............................94
5.10.10、自动RGB565颜色跟踪示例...........................95
5.10.11、自动灰度色彩跟踪示例..............................96
5.10.12、黑色灰度线以下示例................................98
5.11、11-显示屏...............................................100
5.11.1、显示屏............................................100
5.12、15-测试.................................................101
5.12.1、FPS测试脚本......................................101
5.12.2、自检..............................................101
5.12.3、色条测试示例......................................104
5.13、16-二维码...............................................105
5.13.1、AprilTags 示例....................................105
5.13.2、AprilTags 示例....................................107
5.13.3、AprilTags 示例....................................109
5.13.4、QRCode 示例.......................................110
5.13.5、QRCode 示例.......................................110
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OpenMV教程.pdf
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