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Automatic face outline modification method for video

A modification method, a technology in video, applied in the field of image processing and video

Inactive Publication Date: 2016-08-24
北京河马能量体育科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing video editing methods are all linear editing of video, which is difficult to meet the requirements of the public, so it is very necessary to propose a non-linear editing method for video content

Method used

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  • Automatic face outline modification method for video
  • Automatic face outline modification method for video
  • Automatic face outline modification method for video

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0032] The automatic facial contour modification method in a kind of video of the present invention is realized by following steps:

[0033] 1. Calculate target feature points

[0034] See attached figure 2 , to obtain the effect of face thinning, the position of the feature points marking the contour of the face after face thinning must change. Before calculating the position of these target feature points, find the center point of the face. The center point of the face must be on the connection line between the point in the middle of the two eyes and the point in the middle of the mouth. Here we choose 4 points as alternatives. The ratio of their distance from the middle of the mouth to the center of the eyes is 10:0. ,8:2,6:4 and x:y, where the last point is taken at the tip of the nose. Experiments have shown that the result of choosi...

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Abstract

The invention discloses an automatic face outline modification method for a video. The method comprises the following steps: 1) detecting a face frame in the whole video to be processed, and detecting a bounding box and feature points of the face; 2) dividing a face area of interest into multiple triangles according to the positions of the bounding box and the feature points, and calculating a target feature point of each feature point; 3) calculating an affine transform matrix of each triangle having coordinates of three original feature points and target feature points obtained from the three original feature points in step 2) according to the coordinates of the six feature points, and performing affine transform on each point in the triangle formed by the three original feature points according to the affine transform matrix to generate a new face image; and 4) replacing the old face image with the new face image, thereby generating a result video. The method can be used for processing the face in the video, thereby achieving the face-lifting effect on the face in the video, namely realizing nonlinear edition of video contents.

Description

Technical field: [0001] The invention belongs to the technical field of video and image processing, and in particular relates to an automatic facial contour modification method in video. Background technique: [0002] With the popularization of social networks and smart phones, people are more and more accustomed to using video to record their lives, such as eating, traveling or concerts. When people post photos on social networks, they usually first perform beautification processing on photos, but when people want to perform similar processing on videos, it is impossible. The existing video editing methods are all linear editing of video, which is difficult to meet the requirements of the public, so it is very necessary to propose a non-linear editing method for video content. Invention content: [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a method for automatically modifying facial contours in video, which ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/00G06T7/00G06K9/00G06K9/32
CPCG06T2207/20104G06T2207/10016G06V40/171G06V20/46G06V10/25G06T3/02
Inventor 王进军袁望侯骐麒
Owner 北京河马能量体育科技有限公司
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