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Image reduction method and device

A technology of image reduction and image size, applied in the field of image processing, can solve the problems of low accuracy and high complexity

Active Publication Date: 2020-04-03
GUANGDONG VTRON TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The image reduction method and device provided by the embodiments of the present invention solve the technical problem that the current image reduction is mainly based on spatial features, and the accuracy is low due to the high complexity of the current image reduction algorithm

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Embodiment Construction

[0036] The image reduction method and device provided by the embodiments of the present invention solve the technical problem that the current image reduction is mainly based on spatial features, and the accuracy is low due to the high complexity of the current image reduction algorithm.

[0037] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0038] see figure 1 An embodiment of an image re...

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Abstract

The embodiment of the invention discloses an image reduction method and device, which solves the technical problem that the current image reduction is mainly based on spatial features, and the accuracy is low due to the high complexity of the current image reduction algorithm. The image reduction method in the embodiment of the present invention includes: calculating the reduction factor of the size of the output image to be output according to the input image size of the image; In the 1 / 4 times interval, the image is sequentially subjected to image mean reduction processing, image edge enhancement processing, and image bilinear reduction processing; if it is an integer multiple, the image is sequentially subjected to image mean reduction processing and image edge enhancement processing; after the image.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image reduction method and device. Background technique [0002] Picture (Picture) has many meanings, and the most common definition refers to the general term of various graphics and images. In the study of science and daily study or statistics, images are an indispensable part. It constructs a visual thinking mode for human beings, which helps us learn and think about problems. [0003] Among many image reduction algorithms, the bilinear interpolation algorithm is relatively simple to implement in hardware, and can also take into account the image effect between 1 and 1 / 2 reduction, so it is also widely used. But when it is reduced to a ratio smaller than 1 / 2, the image display effect will become poor, and there will be problems of missing content and inability to see clearly, especially when displaying text. If other better scaling algorithms are used, su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/40
CPCG06T3/4007G06T3/403
Inventor 曹捷
Owner GUANGDONG VTRON TECH CO LTD