Image significance detecting method and device

A detection method and remarkable technology, applied in the field of image processing, can solve problems such as poor detection effect

Inactive Publication Date: 2016-12-07
BEIJING QIYI CENTURY SCI & TECH CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] In view of this, the present invention provides an image saliency detection method and device to solve the technical problem of poor detection effect of existing saliency detection methods, and its technical solution is as follows:

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  • Image significance detecting method and device

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Embodiment Construction

[0069] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, 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.

[0070] The embodiment of the present invention provides an image saliency detection method, please refer to figure 1 , showing a schematic flow chart of the method, the method may include:

[0071] Step S101: Acquire a target image, and segment the target image to obtain multiple image blocks.

[0072] Wherein, the target image may be the initial image to be detected, or may be an image obtained after preprocessing the initial image to be detected. Preferabl...

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Abstract

The invention provides an image significance detecting method and device. A target image is obtained and segmented to obtain image blocks; the significance values of target image blocks, which are image blocks beyond visual points in the image blocks, are calculated on the basis of an ith visual point, and a first visual point represents the image block positioned in the central area among the image blocks; the attraction force of each target image block for the ith visual point is calculated by utilizing the significance value of the target image block; an (i+1)th visual point is determined according to the attraction forces of the target image blocks for the ith visual point; and when the distance between the (i+1)th visual point and the ith visual point is lower than a preset value, the (i+1)th visual point is determined to be a significant area, (i+1) is assigned to i, and the step of calculating the signification values of the target image blocks on the basis of the ith visual point is turned to. According to the invention, the significant area is searched on the basis of the attraction force of visual points for the image from the aspect of a human visual mechanism, and the significance detection effect is higher.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an image saliency detection method and device. Background technique [0002] Salience can be described as a certain element in the scene is more attractive than other elements in the same scene, which is summed up by human beings in the process of visual perception. Due to the commonality of human vision, some elements are common to different people, and these areas often concentrate the most important information. Therefore, saliency detection becomes very important in the field of image processing. Although there are currently several saliency detection methods, such as the region comparison method and the multi-scale method, the existing saliency detection methods are not effective. Contents of the invention [0003] In view of this, the present invention provides an image saliency detection method and device to solve the technical problem of poor detection effect ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T7/40
Inventor 朱柏涛
Owner BEIJING QIYI CENTURY SCI & TECH CO LTD
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