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比赛视频中球员号码的定位与识别 被引量:2
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作者 徐晓煜 黄欢 +1 位作者 杨小娜 何冠雄 《郑州轻工业学院学报(自然科学版)》 CAS 2012年第6期82-85,共4页
提出了比赛视频中球员号码的定位与识别方法:通过图像分割方法提取球员球衣上的号码区域,利用内部轮廓检测对号码定位,然后对提取出的号码采用基于概率统计的贝叶斯分类器进行识别.经实验验证此方法实用且有效.
关键词 图像分割 轮廓检测 分类识别 球员号码识别
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智能化篮球竞技视频分析系统关键技术综述 被引量:1
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作者 张攀 郭文鹏 金泽军 《体育科技文献通报》 2023年第10期211-217,共7页
篮球竞技视频分析,是球队赛前、赛中、赛后的重要工作之一。传统方法主要以视频回放结合人工辅助方式进行球员标注、数据统计、技战术分析等,效率相对较低。近年来众多学者逐步利用深度学习技术研究实现智能化篮球竞技视频分析。本文对2... 篮球竞技视频分析,是球队赛前、赛中、赛后的重要工作之一。传统方法主要以视频回放结合人工辅助方式进行球员标注、数据统计、技战术分析等,效率相对较低。近年来众多学者逐步利用深度学习技术研究实现智能化篮球竞技视频分析。本文对2012至2023年,尤其是近五年间发表于三大检索平台和中国知网的文献进行梳理,共筛选获取51篇相关文献。结果发现:最新篮球竞技视频分析系统主要区分为球场检测、球员轨迹追踪、球员识别、动作事件检测、技战术策略识别等五个模块。这些模块的性能都随着其关键技术与深度神经网络模型的融合而得到改进,对篮球竞技的辅助效果日趋明显,但也受限于高质量数据集缺乏、神经网络模型多样、多模块分离等问题,智能化水平仍有待进一步提升。 展开更多
关键词 球场检测 球员轨迹追踪 球员识别 动作事件检测 技战术策略识别
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Magnets, children and the bowel: A dangerous attraction? 被引量:2
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作者 Anil Thomas George Sandeep Motiwale 《World Journal of Gastroenterology》 SCIE CAS CSCD 2012年第38期5324-5328,共5页
Reports of magnet ingestion are increasing rapidly globally. However, multiple magnet ingestion, the subsequent potential complications and the importance of the early identification and proper management remain both ... Reports of magnet ingestion are increasing rapidly globally. However, multiple magnet ingestion, the subsequent potential complications and the importance of the early identification and proper management remain both under-recognized and underestimated. Published literature on such cases could possibly represent only the tip of an iceberg with press reports, web blogs and government documents highlighting further occurrence of many more such incidents. The increasing number of complications worldwide being reported secondary to magnet ingestion point not only to an acute lack of awareness about this condition among the medical profession but also among parents and carers who will be in most cases the first to pick up on magnet ingestion. There still seems to be no consensus on the management of magnet ingestion with several algorithms being proposed for management. Prevention of this condition remains a much better option than cure. Proper education and improved awareness among parents and carers and frontline medical staff is key in addressing this rapidly emerging problem. The goal of managing such cases of suspected magnet ingestion should be aimed at reducing delays between ingestion time, diagnosis time and intervention time. 展开更多
关键词 Multiple magnet ingestion Children Bowel injury Fistulation Necrosis
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