Adjustment method and system for color correction special effects in any area

A color correction, arbitrary area technology, applied in the direction of color signal processing circuits, etc., to achieve the effect of improving the quality of editing

Inactive Publication Date: 2011-12-28
新奥特(北京)云端科技有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0003]The purpose of this invention is to solve the defect that the current nonlinear editing system cannot accurately express the local complex outline when applying color correction special effects to video files, and to provide a method that can accurately Color correction special effect adjustment method and system for expressing arbitrary regions

Method used

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  • Adjustment method and system for color correction special effects in any area
  • Adjustment method and system for color correction special effects in any area
  • Adjustment method and system for color correction special effects in any area

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the drawings.

[0022] The color correction special effect adjustment method for any area provided by the present invention uses cubic Bezier curves to describe one or more areas on the video interface, and draws several closed Bezier curves on the interface, so that the special effect is only applied to the closed Bezier The area covered by the curve.

[0023] In geometry, a continuous Bezier curve is composed of several endpoints, each with one or two control points. The endpoints constitute the position of the curve. The control points control the direction of the curve at a certain endpoint. Such a Bezier curve can describe any shape curve.

[0024] The derivation formula of Bezier curve is as follows:

[0025] P ( t ) → = X m = 0 n B m n ( t ) P m →

[0026] B m n ( t ) = C n m · t m ( 1 - t ...

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Abstract

The invention belongs to the editing technology of video files, and in particular relates to a method and system for adjusting color correction special effects in any area. In the method, cubic Bezier curves are used to describe one or more areas on the video interface, several closed Bezier curves are drawn on the interface, and special effects are only applied to the areas included in the closed Bezier curves. The invention can express the complex outline in the video interface more clearly and accurately, thereby improving the editing quality of the video image.

Description

technical field [0001] The invention belongs to the editing technology of video files, and in particular relates to a method and system for adjusting color correction special effects in any area. Background technique [0002] When using a non-linear editing system for in-depth video editing and color correction special effects adjustment on the video screen, in addition to adjusting the entire screen of the video, it may also be necessary to adjust a specific area of ​​the screen more accurately. At present, other non-editing software processes local specific areas in the screen by using a rectangle or ellipse composed of two corner points to describe the specific area, and applying special effects to this area, although this can satisfy general area selection. , but for more complex outlines (such as human faces, vases, etc.), rectangles and ellipses cannot be accurately represented, thus affecting the production effect of the final picture. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/64
Inventor 晏晓锋郝小峰杨朝何宇飞
Owner 新奥特(北京)云端科技有限公司
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