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浙江大学学报(工学版)
浙江大学学报(工学版)
自动化技术、通信工程     
改进线性模板映射的色彩转移算法
方力洋, 王进, 陆国栋
浙江大学 CAD&CG国家重点实验室,浙江 杭州 310027
Color transfer algorithm based on improved linear template mapping
FANG Li yang, WANG Jin, LU Guo dong
State Key Laboratory of CAD&CG, Zhejiang University, Hangzhou 310027, China
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摘要：

针对线性模板映射方法只适用于模板和较单一色彩图像之间的转移的缺点,提出一种改进的色彩转移算法.采用Grabcut进行区域分割,由区域面积比例、亮度统计信息、色彩分布信息组成匹配向量,确定区域之间的匹配对应关系|针对色彩区域较小时因色彩分布集中而影响色彩转移准确性的问题,利用色彩分布进行修正,并采用最近点搜索方法完成各区域的色彩转移|最后利用直方图规定化对亮度进行修正. 实验结果表明：改进的算法在局部细节和整体的色彩转移上都能取得较好的效果.
Abstract:

An improved color transfer algorithm was proposed to overcome the limit of the color transfer algorithm based on linear template mapping that just worked well on templates and between dull color images. First, grab cut was introduced for image segmentation, and a region match method based on match vectors was proposed, consisting of region ration, luminance statistical information and color distribution of each regions. Secondly, the correction of color distribution was applied to improve the accuracy of color transfer between small regions, then the nearest point searching method was taken to achieve regional color transfer. Finally, a luminance correction was proposed based on histogram specification to overcome the defect in original algorithm without luminance change. The experimental results show that better details and global color transferring results can be achieved by the proposed algorithm.
出版日期: 2016-06-01
:  TP 391  
基金资助:

 国家自然科学基金资助项目（51275460）,浙江省公益技术研究工业资助项目（2013C31046）,高等学校博士学科点专项基金资助项目（20110101120005）.
通讯作者: 王进,男,副教授.ORCID：000000033106021X.     E-mail: dwjcom@zju.edu.cn
作者简介: 方力洋（1989—），男，博士生，从事CAD/CG研究. ORCID：0000000228371255. E-mail: fly305802@zju.edu.cn
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引用本文:

方力洋, 王进, 陆国栋. 改进线性模板映射的色彩转移算法[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008973X.2016.06.013.

FANG Li yang, WANG Jin, LU Guo dong. Color transfer algorithm based on improved linear template mapping. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008973X.2016.06.013.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008973X.2016.06.013    或    http://www.zjujournals.com/eng/CN/Y2016/V50/I6/1103

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