Method for extracting area target of image based on fuzzytopology

A target extraction and image area technology, applied in the field of image processing, can solve the problem of insufficient extraction accuracy, achieve optimal extraction results, improve extraction accuracy, and improve extraction quality
CN101447079AActive Publication Date: 2009-06-03THE HONG KONG POLYTECHNIC UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
THE HONG KONG POLYTECHNIC UNIV
Publication Date
2009-06-03

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Abstract

The invention relates to a method for extracting an area target of an image based on fuzzytopology, which comprises the following steps: an original image is treated in advance; an optimal threshold value T is dawn into; an object to be extracted is defined as a fuzzytopology object; the optimal threshold T is used for inducing two threshold values T1 and T2; regional division is carried out on the object to be extracted; and finally, the object is extracted out. In the method, the two threshold values are dawn into by a fuzzytopology method for determining the interior, boundary and external of the object to be extracted, thus improving extracting quality to a certain degree; fuzzytopology connexity is carried out on boundary pixels so as to determine whether belong to the extracting range; a part duality mole (LBP) functor is dawn in in the analyzing process so as to increase judgment precision; in addition, the method for extracting the area target of the image based on fuzzytopology can significantly the extraction precision of the object, the boundary pixels of which is more difficult to be judged, thus obtaining better extraction results.
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Description

technical field

[0001] The invention relates to an image processing method, and more specifically, to a fuzzy topology-based image region target extraction method. Background technique

[0002] With the continuous development of multimedia technology, image as an information carrier is gradually integrated into every corner of human life. In today's society, the use of images by humans is not only for recording and browsing information, but also for further processing of images, such as extracting objects in images. This technology is called Object Extraction. The target carrier for the extraction operation can be various images, such as: digital aerial images, satellite images, medical images, or digital photos in daily life. The extracted target objects can be It can be a natural object, such as a pond or gravel, or it can be a man-made object, such as a building.

[0003] The existing target extraction technology mainly adopts the optimal threshold method, which uses a ...

Claims

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