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Real-time stabilization

A technology of predetermined threshold and image, which is applied in the field of image stabilization of recorded materials, and can solve the problems that the viewer of the video cannot perceive and the technology is complicated

Inactive Publication Date: 2007-07-25
INTERGRAPH SOFTWARE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, information about moving objects is spread across several image frames, and the viewer of the video cannot perceive
Performing video stabilization through mechanical means and digital signal processing are techniques known in the art, however these techniques are complex and usually based on motion estimation and vector analysis

Method used

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Examples

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Embodiment Construction

[0018] In the definitions used in this specification and the appended claims, unless the context requires otherwise, the following terms have the indicated meaning: As used herein, the term "frame" applies to both digital video frames and digital video fields. A video frame can be represented as two video fields, where the odd-numbered lines of the frame represent the first field, and the even-numbered lines of the frame represent the second field. The term "subportion" of an image refers to an area of ​​the image when displayed on a display device and includes pixel data from that area. This area is smaller than the entire image. The term "area" or "search area" refers to the area of ​​an image used to define a subsection, excluding pixel data. The term "error value" indicates the amount of correlation a first data set has with respect to a second data set. As used herein, the data set used to calculate the first error value exhibits a greater amount of correlation than the...

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PUM

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Abstract

The invention relates to image stabilization of recorded material. The recorded material is image stabilized in order to ascertain more information about an object moving in the image. The method begins by obtaining a first digital video image and a second digital video image. A subsection of the second image is selected which has the same addressable location as the subsection from the first image. The subsection of the second image is shifted in a predetermined direction. After the region is shifted, an error value is calculated based upon a comparison of the subsection of the first image and the shifted subsection of the second image. If the error is below a predetermined threshold, the digital data of the second image is readressed such that the data of the newly defined subsection would overlay the subsection from the first image.

Description

technical field [0001] This invention relates to image stabilization of recorded material. Background technique [0002] Image stabilization is performed on recorded material to determine more information about moving objects in the image. During video capture, the object being captured may move so that the captured image appears blurry or jittery. As a result, information about moving objects is spread across several image frames, which is imperceptible to the viewer of the video. Performing video stabilization by mechanical means and digital signal processing are techniques known in the art, however these techniques are complex and usually based on motion estimation and vector analysis. Contents of the invention [0003] A first embodiment of the present invention provides a method for constructing digital video images in a computer system. The digital video image is capable of being displayed on a display device and contains addressable digital data addressable relat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/14G06T5/50G01S3/78G06T7/20
CPCG06T7/202G06T3/4069G06T7/231
Inventor 吉恩·亚瑟·格林斯塔夫希拉·G·惠特克苏珊·希恩·加尔文·弗莱彻
Owner INTERGRAPH SOFTWARE TECH