目 录
中文摘要
ABSTRACT
第一章 绪 论 ...................................................................................................................1
§1.1 机器视觉概述 ...................................................................................................1
§1.1.1 机器视觉技术起源与发展 .....................................................................1
§1.1.2 机器视觉系统构成及应用领域 .............................................................1
§1.2 图像拼接技术概况 ...........................................................................................3
§1.2.1 国内外研究现状 .....................................................................................3
§1.2.2 图像拼接分类 .........................................................................................4
§1.2.3 图像拼接流程 .........................................................................................5
§1.3 课题来源及意义 ...............................................................................................6
§1.4 研究思路和主要内容 .......................................................................................7
第二章 高精度图像拼接系统理论 ...............................................................................10
§2.1 医疗器械图像高精度拼接检测流程 .............................................................10
§2.2 图像预处理技术 .............................................................................................11
§2.3 特征点提取与匹配 .........................................................................................12
§2.3.1 基于 Harris 算子的特征点提取 ...........................................................12
§2.3.2 特征点匹配 ...........................................................................................14
§2.4 图像融合 .........................................................................................................15
第三章 图像拼接系统介绍 ...........................................................................................17
§3.1 图像拼接视觉系统构成 .................................................................................17
§3.2 图像采集设备 .................................................................................................18
§3.3 光照系统 .........................................................................................................20
§3.4 图像拼接与图像后处理 .................................................................................22
§3.5 辅助装置 .........................................................................................................23
§3.6 系统整体构建 .................................................................................................24
第四章 图像拼接实验与精度分析 ...............................................................................28
§4.1 系统标定 .........................................................................................................28
§4.2 步进电机控制微小器械图像拼接 .................................................................29
§4.2.1 微小器械图像拼接 ...............................................................................29
§4.2.2 器械边缘亚像素提取 ...........................................................................31
§4.2.3 器械宽度检测 .......................................................................................33
§4.3 步进电机控制大尺寸器械图像拼接 ..............................................................34
§4.4 基于双目图像传感器的高精度拼接 .............................................................35
§4.4.1 双目传感器图像拼接 ............................................................................36
§4.4.2 圆形拼接图像半径检测 ........................................................................37
§4.5 双目图像传感器方式与步进电机控制方式拼接精度比较 .........................41
§4.6 重叠范围对拼接精度的影响 .........................................................................42