| 摘要: |
| 在分析现有研究方法的基础上,在LUV颜色空间中利用改进的广义劳埃德聚类算法(GLA)检测并确定球场区域,提出并设计了通过足球视频的禁区和中圈区域实现摄像机标定的方法.利用球场主色,去除了含有球场色的区域并同时虑掉了球场标志线等与球员和球无关的信息,然后使用线填充算法实现球员的连通区域的提取,并最终获取了球员的位置坐标.实验结果验证了算法具有很好的效果. |
| 关键词: 摄像机标定 球场模型 中圈 球员检测 |
| DOI： |
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| 基金项目:Supported by the National Natural Science Foundation of China under Grant No.60703049 (国家自然科学基金); the China Postdoctoral Science Foundation under Grant No.20060400847 (中国博士后科学基金); the Wuhan "Chen Guang" Foundation for Young Scientists of China under Grant No.200850731353 (武汉市青年科技晨光计划) |
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| Camera Calibration and Player Detection in 3D Reconstruction |
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YU Jun-Qing,WANG Xuan,HE Yun-Feng
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| Abstract: |
| camera calibration; court model; middle zone; player detection |
| Key words: Based on the analysis of the existed research works, an improved GLA (generalized Lloyd algorithm) based method in LUV color space is employed to segment the playfield region. The camera calibration strategies in forbidden and middle zones are proposed. U |
