摘要: 针对大多数视频文本边缘丰富且颜色单一、水平排列的特点,通过基于deriche边缘的方法迅速确定视频图像中可能包含文本的区域,使用基于颜色的方法从中提取精确的二值文本图像。实验结果表明,该文本提取方法适用于背景复杂的视频图像,且与单纯基于颜色的算法相比,在速度和提取效果方面更具优越性。
关键词:
文本提取,
文本定位,
视频文本,
deriche边缘
Abstract: For most video text is rich in edge, uniform-colored and horizontally ranged, the candidate text areas in video image are determined by using a fast deriche edge based algorithm, and the accurate binary text images are extracted from the areas by using a color based algorithm. The experimental results show that the method is effective in text extraction in complex-background video frame, and has higher processing speed and better extraction result in comparison with color alone based method.
Key words:
text extraction,
text localization,
video text,
deriche edge
中图分类号:
沈任道;黎绍发;江焯林. 快速和准确的单色视频文本提取方法[J]. 计算机工程, 2009, 35(9): 214-216,.
SHEN Ren-dao; LI Shao-fa; JIANG Zhuo-lin. Fast and Accurate Method of Uniform-colored Video Text Extraction[J]. Computer Engineering, 2009, 35(9): 214-216,.