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Method and apparatus for generating images

An image and model generation technology, applied in the field of computer and image processing, can solve the problems of image distortion, inability to correctly identify, face deformation, etc., to achieve the effect of improving authenticity

Active Publication Date: 2018-01-26
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when a series of operations are performed on the image to convert it from a low-resolution image to a high-resolution image, it often causes image distortion, making it unable to meet actual needs. For example, after a series of operations, the low-resolution human After the face image is converted into a high-resolution face image, the face is deformed, resulting in incorrect recognition

Method used

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  • Method and apparatus for generating images

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Embodiment Construction

[0027] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for the convenience of description, only the parts related to the related invention are shown in the drawings.

[0028] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0029] figure 1 An exemplary system architecture 100 is shown to which an embodiment of the method for generating an image or the apparatus for generating an image of the present application can be applied.

[0030] Such as figure 1As shown, the system architecture 100 may...

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Abstract

The present invention discloses a method and apparatus for generating images. According to one specific embodiment of the invention, the method includes the following steps that: a face image to be processed is acquired, the image resolution of the face image to be processed is lower than a preset first resolution threshold value; and the face image to be processed is inputted into a pre-trained generation model, so that a processed face image can be generated, during the training process of the generation model, a loss function is utilized to update model parameters, wherein the loss functionis determined on the basis of the probability of an image group formed by a face sample image and a face generated image being positive sample data. With the method and apparatus of the embodiments of the invention adopted, the authenticity of the generated face image can be improved.

Description

technical field [0001] The present application relates to the field of computer technology, specifically to the field of image processing, and in particular to methods and devices for generating images. Background technique [0002] With the rapid development of high-definition display devices, people's demand for high-resolution images and videos is increasing. At this stage, low-resolution images can be transformed into high-resolution images through a variety of methods, such as difference-based methods, reconstruction-based methods, learning-based methods, and so on. However, when a series of operations are performed on the image to convert it from a low-resolution image to a high-resolution image, it often causes image distortion, making it unable to meet actual needs. For example, after a series of operations, the low-resolution human After the face image is converted into a high-resolution face image, the face is deformed, resulting in incorrect recognition. Therefo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62
CPCG06T11/00G06N3/084G06N20/10G06N3/047G06N7/01G06N3/045G06T3/4007G06T7/344G06T2207/30201G06T5/50
Inventor 何涛张刚刘经拓
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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