计算机应用 ›› 2005, Vol. 25 ›› Issue (03): 598-600.DOI: 10.3724/SP.J.1087.2005.0598

• 图形图像处理 • 上一篇    下一篇

照度不均匀图像的快速自适应灰度修正

杨杰,付忠良,阮波   

  1. 中国科学院成都计算机应用研究所
  • 出版日期:2005-03-01 发布日期:2005-03-01

Fast and adaptive gray-level correction of uneven illumination image

YANG Jie,FU Zhong-liang,RUAN Bo   

  1. hengdu Institute of Computer Application, Chinese Academy of Sciences
  • Online:2005-03-01 Published:2005-03-01

摘要:

针对实际应用中近距离成像产生的图像照度不均匀现象,从成像的光照模型出发,提出了一种具有自适应性的灰度修正方法,并与已有的灰度修正方法进行了对比分析。实验表明,该方法快速有效,并特别适用于基于高速图像处理的机器视觉系统。

关键词: 近距, 照度, 灰度修正, 不均匀, 自适应

Abstract:

Imaging at close distance leads to uneven illumination images in practical application. Based on the illunination model, a new gray-level correction method with adaptability was proposed. Being analysed and compared with existent methods, this new method was proved fast and effective, and suitable to high-speed image process in machine vision systems.

Key words: close distance, illumination, gray-level correction, uneven, adaptability

中图分类号: