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A Method of Image Boundary Enhancement

An image and boundary technology, applied in the field of image processing, can solve the problems of color distortion, inconspicuous image information, low image contrast, etc., to achieve the best image enhancement effect.

Active Publication Date: 2017-12-19
WUXI UNICOMP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the process of using these image acquisition devices to obtain images, it may be affected by factors such as the size of the dynamic range of the image acquisition device and the intensity of light in the scene being photographed, resulting in low contrast, indistinct image information, and color distortion. , The image details are not clear enough, etc., which bring difficulties to people's visual observation and machine analysis and processing, so it is necessary to enhance the image

Method used

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  • A Method of Image Boundary Enhancement
  • A Method of Image Boundary Enhancement
  • A Method of Image Boundary Enhancement

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some parts related to the present invention are shown in the accompanying drawings but not the whole content. Unless otherwise defined, all technical and scientific terms used herein are related to the technology belonging to the present invention. Those skilled in the art usually understand the same meaning. The terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the invention.

[0030] Please refer to figure 1 as shown, figure 1 It is a flowchart of an image boundary enhancement method provided by an embodiment of the present invention.

[0031] In this embodiment, the image...

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Abstract

The invention discloses an image boundary enhancement method. The method comprises the following steps: image preprocessing: denoising the image; calculating a gradient map and a gradient direction map for the preprocessed image; refining the gradient map; calculating the original image Multiply with the refined gradient map to obtain the corresponding boundary enhancement map. The invention enhances the image boundary and can obtain better image enhancement effect, so that the enhanced image boundary is more in line with human visual characteristics.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an image boundary enhancement method. Background technique [0002] In recent years, image acquisition devices such as digital cameras and video cameras have been rapidly popularized, and required digital images can be acquired through these image acquisition devices. However, in the process of using these image acquisition devices to obtain images, it may be affected by factors such as the size of the dynamic range of the image acquisition device and the intensity of light in the scene being photographed, resulting in low contrast, indistinct image information, and color distortion. , The image details are not clear enough, etc., which bring difficulties to people's visual observation and machine analysis and processing, so it is necessary to enhance the image. Contents of the invention [0003] The purpose of the present invention is to solve the problems mentioned ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
Inventor 刘骏王波陈丽红徐华安
Owner WUXI UNICOMP TECH
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