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Electronic image stabilization method based on multi-resolution gray projection

A grayscale projection, multi-resolution technology, applied in the field of image processing, can solve the problem of poor image processing methods and other problems

Active Publication Date: 2017-02-01
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0006] In view of the poor effect of image processing methods in the prior art, the purpose of the embodiment of the present invention is to propose an electronic image stabilization method based on multi-resolution grayscale projection, which can at least partially solve the above problems

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  • Electronic image stabilization method based on multi-resolution gray projection
  • Electronic image stabilization method based on multi-resolution gray projection
  • Electronic image stabilization method based on multi-resolution gray projection

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Embodiment Construction

[0088] In order to make the technical problems, technical solutions and advantages to be solved by the present invention more clear, the following will be described in detail with reference to the accompanying drawings and specific embodiments.

[0089] The references involved in the present invention are the following four, and in the embodiment of the present invention, the four references are cited here in full:

[0090] (1) Zhu Juanjuan. Research on the Theory and Application of Electronic Image Stabilization [D]. Xidian University, 2009.

[0091] (2) Li Jitian, He Yongqiang, Chen Caisen, et al. A vehicle electronic image stabilization method based on grayscale projection algorithm [J]. Infrared Technology, 2010, 32(6): 328-332.

[0092] (3) Jiang Wei. Research and application of improved particle filter algorithm [D]. Harbin Institute of Technology, 2010.

[0093] (4) Wang Shuo. Research on Electronic Image Stabilization Algorithm Based on Motion Estimation and Motion Se...

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Abstract

The invention provides an electronic image stabilization method based on multi-resolution gray projection. The electronic image stabilization method comprises the following steps of: (1), determining whether a foreground local motion object exists or not by utilizing a current down-sampling image and a reference image, thereby obtaining a global motion vector; (2), reserving active scanning movement of a vidicon itself while removing random jitter by filtration through a real-time particle filtering method; and (3), eliminating an adjacent-frame accumulative error by adopting a self-adaptive adjacent-frame compensation method through a variable reference frame.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an electronic image stabilization method based on multi-resolution grayscale projection. Background technique [0002] With the development of technology, all walks of life have higher and higher requirements for image processing to improve people's perception. There are several widely used algorithms in the current image processing field: grayscale projection algorithm, motion filtering algorithm based on particle filter, adjacent frame compensation method. [0003] The grayscale projection algorithm needs to perform grayscale mapping on each pixel in the image and perform related calculations, resulting in a large amount of computation; at the same time, when there are moving objects in the image, the grayscale projection method cannot detect moving objects, resulting in motion estimation accuracy. reduce. [0004] Among them, the motion filtering method based on par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232
CPCH04N23/6811H04N23/68H04N23/682
Inventor 程德强王睿郭政徐祖倩刘海张国鹏丁丁
Owner CHINA UNIV OF MINING & TECH
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