Abstract: The method for scratch detection based on spatial feature is improved. The new method builds a new relation between Scratch Spatial Feature(SSF)’s threshold value and the adaptive parameter of scratches’ width, and adds the scratches’ length detection based on the continuation of the original algorithm’s effectiveness and stability. Experimental results show that the improved method can detect more scratches on video sequences than original method, and the new method has improved function.

Key words: restoration of old film, scratch detection, spatial feature

摘要： 改进基于空间特征的划痕检测算法。在延续原有算法的有效性和稳定性的基础上，重新建立划痕空间特征量的阈值选取和宽度自适应参数之间的联系，并添加划痕长度的检测。经实验验证，和原算法相比，改进的基于空间特征的划痕检测算法能更多地检测到视频序列中的划痕，提高了9.2%的准确率，并且功能更加完善，能检测划痕长度。

关键词: 旧电影修复, 划痕检测, 空间特征

CLC Number: 

• TP751