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Method and apparatus for video stabilization by compensating for view direction of camera

A video stabilization and camera technology, applied to cameras, TVs, color TVs, etc., can solve problems such as image distortion

Inactive Publication Date: 2013-09-18
SAMSUNG ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, images that perform video stabilization based on 3D analysis suffer from image distortion in some areas of the image

Method used

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  • Method and apparatus for video stabilization by compensating for view direction of camera
  • Method and apparatus for video stabilization by compensating for view direction of camera
  • Method and apparatus for video stabilization by compensating for view direction of camera

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Embodiment Construction

[0047] Below, refer to Figure 1 to Figure 7 A video stabilization apparatus according to various exemplary embodiments of the inventive concept is described. refer to Figure 8 to Figure 13 Similar operations of the video stabilization apparatus according to various exemplary embodiments of the inventive concept are described. refer to Figure 14 to Figure 16 A user interface of a video stabilization apparatus according to various exemplary embodiments of the inventive concept is explained. refer to Figure 17 to Figure 23 A video stabilization method according to various exemplary embodiments of the inventive concept is described.

[0048] According to figure 1 and Figure 4 The video stabilization apparatuses 100 and 400 of the exemplary embodiments shown in provide a video stabilization scheme for compensating for camera motion by using only relative inter-frame camera rotation angles measured as inter-frame camera motion.

[0049] According to respectively in fig...

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Abstract

A video stabilization method includes: measuring an inter-frame camera motion based on a difference angle of a relative camera view direction in comparison with a reference camera view direction in each frame of a frame sequence of a video; generating a camera motion path of the frame sequence by using the inter-frame camera motion and determining a camera view direction adjustment angle based on a user's view direction by using the camera motion path; and compensating for the camera view direction by using the camera view direction adjustment angle in each frame.

Description

technical field [0001] Apparatus and methods consistent with exemplary embodiments according to the inventive concept relate to a video stabilization technology for compensating for movement and shake of a camera. Background technique [0002] Conventional video stabilization techniques are classified into 2-dimensional (2D) analysis-based video stabilization schemes and 3-dimensional (3D) analysis-based schemes. [0003] A video stabilization scheme based on 2D analysis includes: estimating motion, setting a camera motion path through the estimated motion, and generating images according to the camera motion path. In estimating motion, motion is measured by analyzing captured images with a 2D motion model. Although the image is actually obtained by projecting the 3D space onto the 2D image in the camera, the 3D motion cannot be modeled correctly with the 2D motion model. Therefore, although the video stabilization scheme based on 2D analysis cannot perform video stabiliza...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232H04N7/32
CPCG03B2213/025G06T7/20H04N5/145H04N2013/0085
Inventor 李润九崔良林
Owner SAMSUNG ELECTRONICS CO LTD
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