褪色的传统电影用数字彩色修复  

Digital Color Restoration of Faded Traditional Film

作　　者：傅惠玉[1] 翁山宝 李保民[3] 

机构地区：[1]上海第二工业大学,上海201209 [2]上海电影技术厂,上海200071 [3]中国乐凯胶片集团公司,保定071054

出　　处：《信息记录材料》2011年第4期26-30,共5页Information Recording Materials

摘　　要：胶片电影已经有100多年了,它是我国重要的文化遗产。胶片电影需妥善保管,否则会损坏得很快。目前,借助于高分辨率数字化平台,可以使一部已遭损坏的旧影片得以数字化修复。本文主要介绍用数字技术手段来还原已褪色的彩色胶片上的色彩,该方法首先需消除在扫描过程中产生的副吸收,再用校正矩阵来调整图像色彩和用直方图操作技术来提高图像的对比度等。With more than 100 years history, film is an important cultural heritage of our country. Film, however, requires proper protection;otherwise it could be quickly damaged. Fortunately, by means of high resolution digital platform, old damaged film can be digitally restored today. The digital technology to restore faded color film was introduced, The main steps including removing the side absorption generated during the scanning process, then adjusting the image color using correction matrix and enhancing the image contrast using histogram operations technology, etc.

关 键 词：色彩管理 数字彩色修复 色彩校正 色彩校正矩阵 对比度增强 直方图处理 

分 类 号：TB853[一般工业技术—摄影技术]