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Content erotic image zooming method based on conformal energy

A technology for sensitive images and energy equations, applied in graphics and image conversion, image data processing, instruments, etc., can solve problems such as distortion of character proportions, waste of upper and lower space on the screen, etc., and achieve the effect of improving the quality of the results, increasing the running speed, and reducing the distortion

Active Publication Date: 2010-02-17
TSINGHUA UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an efficient content-sensitive image scaling method to overcome the waste of space above and below the screen or the proportion of characters appearing due to the limited visual size when watching wide-screen images in the prior art distortion defect

Method used

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  • Content erotic image zooming method based on conformal energy
  • Content erotic image zooming method based on conformal energy
  • Content erotic image zooming method based on conformal energy

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Embodiment Construction

[0023] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] Such as figure 1 As shown, the content-sensitive image scaling method based on conformal energy of the present invention includes: S1, receiving the image to be scaled and dividing the image into grids; S2, extracting control points representing global and overall features according to the divided grids set; S3, according to the similarity constraints of the control point sets before and after transformation, establish an optimized energy equation; S4, use the preset image size as a boundary condition, and obtain the final value of the control point according to the optimized energy equation position and difference to get the final image.

[0025] The content-sensitive image shrinkage method based on conformal energy involved in this embodiment will be described in detail below.

[0026] S1. Receive an image to be scaled and d...

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Abstract

The invention relates to a content erotic image zooming method based on conformal energy. The method comprises the following steps: S1. receiving an image to be zoomed, and dividing the image into grids; S2. extracting a control dot set representing local and integral characters according to the divided grids; S3. establishing an optimized energy equation according to similar constraint of the control dot set before and after being changed; and S4. using the preset image dimension as the border condition to obtain final positions of control dots by the optimized energy equation and obtain thefinal image by difference value. When the content erotic image zooming method is used for zooming the image, the image can be adjusted to any dimension and aspect ratio, and meanwhile, the distortionof important objects in the image is minimized.

Description

technical field [0001] The invention belongs to the technical field of video image processing, in particular to a content-sensitive image scaling method based on conformal energy. Background technique [0002] With the rapid development of modern display devices, display devices with screens of various sizes have entered thousands of households. Smartphones, laptops, desktops, PDAs, large-screen TVs, and more all have display screens of varying sizes and aspect ratios. How to display pictures on display devices with different resolutions and different aspect ratios without wasting screen space or distorting the proportions of characters becomes an important issue. For example, when a traditional normal-screen TV is played on a wide-screen TV, the characters in the picture often become distorted and fat. The technical problem solved by this patent is to keep the important objects in the image as similar as possible to the original image under the condition of display size c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40
Inventor 胡事民程明明张国鑫
Owner TSINGHUA UNIV
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