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wrap_paper's Introduction

wrap_paper

书本或纸张照片的矫正

代码功能介绍

  • 读取原图im1，获取轮廓im2
  • 筛选出最大轮廓
  • 根据轮廓，来生成近似轮廓（四边形）
  • 如果近似轮廓的表述结构为四个点（即四边形的四个顶点），则计算最长的边长；否则图片不合格，退出程序
  • 组装透视变换的四个参考点
  • 组装透视变换的四个待变换的点,由于检测到的四个点的顺序可能是混乱的，需要整理它们的顺序，使之分别与四个参考点对应
  • 获取透视变换矩阵M，并根据M讲原图im1进行变换
  • 锐化

开发环境

python
opencv
numpy

执行效果

原图

提取轮廓

扭曲（wrap）后的效果图

把上一步结果，进行锐化后的效果图

wrap_paper's People

Contributors

mengxiangxiang414 avatar

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