摘要
码本模型的思想就是根据像素的颜色失真程度和亮度范围将背景像素值量化后用码本表示,然后利用减背景思想对新输入像素值与其对应像素码本做比较判断,从而提取出前景运动目标像素。提出将像素从RGB空间转换到HSV空间来计算颜色失真度,多种像素亮度和颜色失真度计算方法的对比实验结果表明,该方法能取得更好的目标检测效果。
The codebook model represents each background pixel with some codeword based on its color
distortion and brightness range. Then input pixel values of new frame are compared with the codebooks for identifying foreground pixels. Pixels are converted from RGB space to HSV space to compute pixel color distortion. Several methods of computing color distortion and brightness are experimented for contrast. The results show the new idea achieves better effectiveness for detecting moving objects.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2008年第3期423-427,共5页
Systems Engineering and Electronics
关键词
减背景
码本
监控视频
目标检测
background subtraction
codebook
surveillance video
object detection