摘要
随着网络、多媒体技术的发展，计算机彩色图像再现系统中交互界面上颜色的高保真再现变得日益重要。本文结合敦煌壁画的计算机存储与管理工作，研究了从彩色扫描仪到计算机ＣＲＴ显示器的颜色矫正问题，克服人为因素的影响，提出了一种新的ＣＲＴ显示器色度预测方法和一种多约束因子颜色矫正还原模型。采用ＣＩＥ１９７６（Ｌ*ａ* ｂ* ）匀色空间的色差函数ΔＥ进行矫正效果评价。结果表明，本文提出的颜色矫正还原模型能对扫描、显示等环节中各种因素所造成的颜色失真实现客观、定量、一次性的总体矫正，可以广泛应用到计算机彩色图像再现系统中。
The paper discusses color correction issues in color scanners and CRT based on the Dunhuang Mural' s computer storage and management work. In order to avoid man - made influence in quantitative and subjective adjustment methods, it presents an effective CRT calorimetric prediction method and a new color correction model with multi - constraint factors. The correction effects are evaluated by the color difference formula ΔE in the CIE1976(L* a* b* ) uniform color space, and the results indicate that the combination of the prediction method and the correction model can achieve an objective, quantitative and whole correction for the color distortions caused by all kinds of factors. The model can be widely used in computer color image restoration system.
出处
《光学精密工程》
EI
CAS
CSCD
2001年第4期368-371,共4页
Optics and Precision Engineering
基金
中国科学院计算技术研究所智能信息处理开放实验室基金资助项目(ⅡP2001-1)
