基于视频帧重要区域相似性的镜头切换检测

视频帧的重要信息通常位于图像的中间部位,因此提出了基于视频帧重要区域相似性的视频镜头切换检测算法.在连续视频帧中,相邻帧的前一帧中间区域被分成大小相等的四部分,然后在后一帧中的中间区域寻找与前一帧四模板相似的区域.利用各区域灰度直方图的欧氏距离判定相似区域.如果不相似模板个数大于2,那么该相邻帧处发生了镜头切换.实验表明,此方法对于多数场景的镜头切换检测结果准确、全面.

Shot Detection Based on Similaritys of Important Regions of a Video

The important information of a video usually lies in the middle part of the video frame,therefore,the algorithm of shot detection based on the similarity of important regions of the video is presented.In consecutive video frames,the former one of the adjacent frames is equally divided into four parts in the middle part,then the similarity of the former four parts will be searched in the latter frame.The similarity is decided by the Euclidean distance of the gray histograms.If the number of inconformity part...