摘要
基于衍射成像机制分析探讨了场曲的成因与特征,针对数码成像中感光芯片的结构与工作原理,提出了数码成像时场曲的标定及其像素校正的设想和方法,模拟实验表明这种方法的可行性,有助于实现数码成像时场曲自动标定及其像素校正,还有利于改进调控景深、快门、光圈以及感光度与白平衡等关键技术。
Based on diffraction imaging mechanism the causes and characteristics of the field curve is analyzed, aimed at structure and working principle of photosensitive chip of digital imaging, the idea and method of pixel-level calibration and correc-tion for digital imaging is proposed ,the simulation experiment shows that this method is feasible and helpful to achieve the pix-el-level automatic calibration and correction of field curvature for digital imaging, and conducive to improve the regulation of depth of field, shutter, aperture and ISO and the key technology such as white balance.
出处
《激光杂志》
CAS
CSCD
北大核心
2014年第3期51-52,共2页
Laser Journal
基金
江西省自然科学基金(20122BAB202008)
江西省教育厅科技计划项目基金(2011GJJ11612)
上饶师范学院2007年科研课题基金
关键词
场曲标定
像素校正
衍射机制
衍射像点
感光芯片
The calibration of field curvature
the correction of pixel
diffraction mechanism
diffraction image point
photosen-sitive chip