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STATISTICS-BASED ELECTRONICS IMAGE STABILIZATION

机译:基于统计的电子稳像

摘要

Methods and apparatus, including computer program products, for selecting a cropping area in a sequence of images captured by a camera (302). First external motion data (202) including data of external factors affecting movement of the camera is correlated with internal motion data (204) describing a movement of the camera (302). The first external motion data (202) and the internal motion data (204) are obtained during a first time interval. Second external motion data (208) is obtained during a second time interval subsequent to the first time interval. A sequence of images being captured during a third time interval is stabilized by selecting a cropping area based on the correlation and the second external motion data (208). The cropping area remains constant and maximized in size with respect to the field of view of the images during the third time interval. The third time interval is subsequent to, or partly overlapping with, the second time interval.
机译:包括计算机程序产品的方法和设备,用于在摄像机捕捉的图像序列中选择裁剪区域(302)。包括影响摄像机运动的外部因素的数据的第一外部运动数据(202)与描述摄像机(302)运动的内部运动数据(204)相关联。在第一时间间隔期间获得第一外部运动数据(202)和内部运动数据(204)。在第一时间间隔之后的第二时间间隔期间获得第二外部运动数据(208)。通过基于相关性和第二外部运动数据选择裁剪区域来稳定在第三时间间隔期间捕获的图像序列(208)。在第三时间间隔期间,裁剪区域相对于图像的视野保持恒定并在大小上最大化。第三个时间间隔在第二个时间间隔之后或部分重叠。

著录项

  • 公开/公告号EP3905659B1

    专利类型

  • 公开/公告日2022-06-01

    原文格式PDF

  • 申请/专利权人 AXIS AB;

    申请/专利号EP20200171714

  • 发明设计人 YUAN SONG;NYSTRÖM JOHAN;

    申请日2020-04-28

  • 分类号H04N5/232;

  • 国家 EP

  • 入库时间 2022-08-25 01:22:01

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