基于地理坐标与视频图像关联映射的视频背景目标定位与标识方法  

Video Background Target Location and Identification based on the Association Mapping between Geographic Coordinates and Video Image

作　　者：黄仝宇 胡斌杰[1] HUANG Tongyu;HU Binjie(South China University of Technology,Guangzhou 510000,China;Gosuncn Technology Group Co.,Ltd.,Guangzhou 510000,China)

机构地区：[1]华南理工大学电子与通信学院,广东广州510000 [2]高新兴科技集团股份有限公司,广东广州510000

出　　处：《移动通信》2020年第1期71-75,79,共6页Mobile Communications

摘　　要：视频图像数据虽然能够逼真地展示空间信息,但是因缺少地理属性而不能直接与地理信息进行关联。先构建摄像设备姿态变化情况下的地理坐标与视频图像映射模型,并通过采用光轴纠偏的方法对不同倍率下视频图像坐标的偏移进行校正,根据地理坐标与视频图像映射模型,将监控可视范围内的地图POI信息通过转换之后在视频图像相应的背景目标位置上添加标识,实现对视频的背景目标的定位,进而增强视频空间的表达。Although video image data can display spatial information realistically, it cannot be directly associated to the geographic information due to the lack of geographical attributes. This paper firstly constructs the mapping model between geographic coordinates and video images under the changing attitude of camera equipment, and then the offset of video image coordinates under different multipliers is corrected by means of optical axis correction. According to mapping model between geographic coordinates and video images, the map POI information in the monitoring visual range is transformed and then the identifier is added to the corresponding background target position of the video image. Hence the background target of the video is located and the expression of video space is enhanced.

关 键 词：视频GIS 坐标转换 光轴偏移 背景目标定位 背景目标标识 

分 类 号：TN919.8[电子电信—通信与信息系统]