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An electronic image stabilization method based on shipboard equipment

A technology of electronic image stabilization and equipment, which is applied in television, image enhancement, color television, etc., and can solve problems such as unsuitable shipboard equipment

Active Publication Date: 2019-07-26
西安瑞峰光电技术有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem that the existing electronic image stabilization methods are not applicable to shipboard equipment, the present invention provides an electronic image stabilization method based on shipboard equipment

Method used

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  • An electronic image stabilization method based on shipboard equipment
  • An electronic image stabilization method based on shipboard equipment
  • An electronic image stabilization method based on shipboard equipment

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Embodiment Construction

[0053] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0054] A kind of electronic image stabilization method based on shipboard equipment of the present invention, its flow process is as follows figure 1 shown. The concrete steps of this method are as follows:

[0055] (101) Original video image acquisition

[0056] Collect the video images collected by the cameras in the shipboard equipment and transmit them to the computer for post-processing.

[0057] (102) Select the reference frame image

[0058] The reference frame image selected for the first time is generally the first frame image collected by the camera after the shipboard equipment is stabilized. After that, in order to eliminate the accumulated error, the reference frame image selected for the first time needs to be updated. Specifically: when the rotation angle θ and translation (Δx, Δy) of the current frame image relative to the reference frame ...

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Abstract

An electronic image stabilization method based on shipboard equipment relates to the field of digital image processing and solves the problem that none of the existing electronic image stabilization methods are applicable to shipboard equipment. The method includes: collecting original video images; selecting reference frame images; reading current frame images; calculating motion vectors using a motion estimation method based on object-sky curves: horizontal offset, vertical offset, and rotation angle; Filter; Compensate the motion vector; Output stable image. According to the characteristics of image collection by shipboard equipment, the invention overcomes the shortcomings of existing methods when estimating motion vectors, and proposes a new motion estimation method based on object-sky curves to realize the image stabilization function of shipboard equipment. The present invention can quickly and accurately calculate the translation amount and rotation angle of the current frame image relative to the reference frame image, with a small amount of calculation and high precision, which can not only improve the real-time performance of the algorithm, but also improve the accuracy of the algorithm, and has a good performance robustness.

Description

technical field [0001] The invention relates to the technical field of digital image processing, in particular to an electronic image stabilization method based on shipboard equipment. Background technique [0002] Research on electronic image stabilization technology began in the mid-1980s. Electronic image stabilization is a new generation of image stabilization technology that integrates electronics, computer, image recognition and other technologies to directly determine and compensate the mapping relationship between frames of image sequences, aiming to eliminate random motion in video image sequences. Compared with traditional mechanical image stabilization and optical image stabilization, electronic image stabilization has the advantages of easy operation, high image stabilization accuracy, strong flexibility, small size, light weight, low energy consumption, and highly intelligent real-time processing. Using electronic image stabilization technology to achieve video...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/14H04N5/232G06T7/207G06T7/246G06T7/60
CPCH04N5/145G06T7/207G06T7/246G06T7/60G06T2207/10016G06T2207/20021G06T2207/20032G06T2207/30212H04N23/68
Inventor 韩希珍王百金
Owner 西安瑞峰光电技术有限公司
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