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Image segmentation method and apparatus

An image segmentation and original image technology, applied in the field of image processing, can solve the problems of inability to pixel mark, limited screen size and operation mode, limited mobile terminal processor performance, etc., to achieve the effect of image segmentation and accurate extraction

Active Publication Date: 2014-04-23
SHENZHEN INST OF ADVANCED TECH
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Problems solved by technology

[0003] With the improvement of the software and hardware level of mobile terminals, users hope to be able to perform image processing anytime and anywhere through mobile terminals. Obviously, due to the limitation of the screen size and operation mode of mobile terminals, it is impossible to process each pixel of the image to be segmented one by one. mark, and is limited by the processor performance of the mobile terminal, and cannot afford the huge amount of calculation when the existing image segmentation method solves the graph structure

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  • Image segmentation method and apparatus

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention 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 the present invention, not to limit the present invention.

[0031] In the embodiment of the present invention, the outline of the target image is obtained by using the user's interactive operation, and the image mask is made through the outline to further realize the accurate extraction of the foreground and background of the image and complete the image segmentation. This method fully combines mobile The operating characteristics and processing performance of the terminal can effectively realize image segmentation on the mobile terminal.

[0032] figure 1 The implementation flow of the image segmentation method provided by the embodiment of the present in...

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Abstract

The invention, which is suitable for the field of the image processing technology, provides an image segmentation method and apparatus. The provided image segmentation method comprises the following steps that: a sliding operation is detected and a closed curve encircling a target image is generated at an original image according to the sliding operation; a binaryzation image template is generated based on the closed curve, wherein the size of the binaryzation image template is equal to that of the original image; according to the generated binaryzation image template, detection is carried out and the contour of the target image is obtained; a mask is generated according to the contour of the target image; a transparency value of an unknown zone in the mask is calculated; a foreground component and a background component of the original image are determined by utilizing the transparency value and the original image; and on the basis of the determined foreground component and background component of the original image, a foreground image is obtained by segmentation from the original image. According to the invention, the operation feature and the processing performance of the mobile terminal are fully combined; and image segmentation can be realized effectively at the mobile terminal.

Description

technical field [0001] The invention belongs to the technical field of image processing, and in particular relates to an image segmentation method and device. Background technique [0002] Image segmentation, that is, for an image, its foreground component, background component and the transparency value of the foreground are calculated separately, so as to separate the foreground from the image. The existing image segmentation methods need to manually mark the pixels in the image to manually mark the foreground and background in the image, and then use each pixel as a node to construct a graph structure, and solve the problem by solving the minimum segmentation of the graph structure. Realize image segmentation. [0003] With the improvement of the software and hardware level of mobile terminals, users hope to be able to perform image processing anytime and anywhere through mobile terminals. Obviously, due to the limitation of the screen size and operation mode of mobile t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00
Inventor 樊春玲邓亮
Owner SHENZHEN INST OF ADVANCED TECH
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