【作者】 车晓岩；

【导师】 胡涛；

【作者基本信息】 西安理工大学 ， 信号与信息处理， 2004， 硕士

【摘要】 精确地复制、传递和再现色彩，一直是彩色出版系统研究的重要课题。由于油墨、纸张等条件的限制，输出设备的呈色特性对色彩的影响很大，因此对输出设备的色彩管理是色彩管理系统(CMS)的关键。 本课题在对输出设备的偏色问题进行研究的基础上，采用灰平衡曲线方法控制中性灰并取得了较好的效果。课题还对设备无关色彩空间与输出设备色彩空间的模型建立以及校准的方法进行了研究。考虑到精度和速度的平衡关系，课题采用7项的多项式回归算法结合线性插值算法进行了模型建立以及校准，克服了高次多项式的震荡现象，并对色空间进行了精确转换。课题根据色块数据的分布规律对色空间分别进行5级分割，应用3D—LUT查找插值算法(三维线性和三棱柱插值算法)实现色空间的转换，达到了预期的效果。 本课题的研究成果对色彩管理系统的进一步研究具有较大的参考价值。更多还原

【Abstract】 Accurately reproducing, communicating and reappearing color have always been an important subject in color publishing systems. The characteristic of appearing color of the output device has a deep effect on the printing color because of the limits of ink, paper etc. Thus, color management for the output device is the key of the Color Management System(CMS).Gray balance curvers algorithm has been used for effectively controlling the neutral gray on the basis of investigating the color distortion of the output device. The algorithms for modeling and calibration have been investigated. Seven-term polynomial regression with linear interpolation algorithm has been applied thinging of the balance of the accuracy and speed. The source color space has been packed five levels on the basis of the distributing rule of the data. The nonunifora three-dimensioned lookup table with interpolation algorithm(trilinear and prism)has been developed for the color transformation and reached the prospective effect.The thesis is of great value to the further research on the CMS.更多还原