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Image edge detection method and device

A technology of image edge and detection method, which is applied in the field of image processing, can solve problems affecting the imaging quality of mobile terminals and poor detection accuracy, and achieve the effect of improving quality and improving imaging quality

Active Publication Date: 2020-07-21
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the existing image edge detection methods have the problem of poor detection accuracy, which affects the imaging quality of mobile terminals

Method used

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  • Image edge detection method and device

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Embodiment Construction

[0032] As mentioned in the background, the image edge detection method in the prior art performs edge detection based on the similarity between pixels, which has the problems of slow speed and low accuracy.

[0033] In order to solve the above problems, the technical solution in the embodiment of the present invention can determine the corresponding image edge through the similarity between the adjacent pixel blocks in the horizontal input matrix and vertical input matrix selected in the original image, and can reduce the image edge. The operation complexity of detection can improve the accuracy of edge detection.

[0034] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0035] figure 1 A flow chart of an image edge detection method in an embodiment of the present invention is shown. Such as ...

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Abstract

The invention relates to an image edge detection method and device. The image edge detection method comprises the steps of obtaining an input original image; selecting a horizontal input matrix and avertical input matrix from the original image; respectively dividing the horizontal input matrix and the vertical input matrix into a plurality of corresponding pixel blocks, wherein the adjacent pixel blocks in the plurality of pixel blocks are partially overlapped; and determining an edge region of the original image based on similarity information between the adjacent pixel blocks in the horizontal input matrix and the vertical input matrix. The scheme of the invention can improve the accuracy of image edge detection and improve the imaging quality of a mobile terminal.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an image edge detection method and device. Background technique [0002] Edge detection has been one of the classic research topics in the field of image processing, which is used to discover information about shape and reflectance or transmittance in images. Edge detection is one of the fundamental steps in image processing, image analysis, pattern recognition, computer vision, and human vision. The correctness and reliability of the edge detection results will directly affect the machine vision system's understanding of the objective world. [0003] With the advancement of science and technology, the penetration rate of mobile terminals is getting higher and higher. At the same time, people have higher and higher requirements for the functions of mobile terminals, especially the imaging effect of their cameras. [0004] However, the existing image edge detection meth...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/13
Inventor 陈欢彭晓峰朱洪波王微宋利伟
Owner SPREADTRUM COMM (SHANGHAI) CO LTD