Image inquiry method based on marking area

It is an image query and remarkable technology, which is applied in special data processing applications, instruments, electrical digital data processing, etc. It can solve the problems of low retrieval efficiency and difficulty in realizing real-time commercial applications, and achieve the effect of improving retrieval efficiency and accuracy and simplifying calculations

Inactive Publication Date: 2008-07-02
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

The existing methods do not combine the saliency map technology with the requirements and characteristics of specific commercial image retrieval, the retrieval efficiency is low, and it is difficult to realize real real-time commercial applications

Method used

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  • Image inquiry method based on marking area
  • Image inquiry method based on marking area
  • Image inquiry method based on marking area

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0030] Such as image 3 As shown, it is an operation flowchart of a salient region-based commercial image retrieval method of the present invention. The operation steps of this method include:

[0031] Step 100, dividing the image into grids;

[0032] First, according to the RGB value of each pixel of the image, use the conversion formula to convert the color space into the HSV space to make it more in line with human visual perception; Channels are quantized and fused to obtain a color grayscale image, as shown in Figure 1(a); on the basis of the color grayscale image, each image is divided into 64 equal-sized grids according to the rule of 8*8 grid.

[0033] The conversion formula from RGB space to HSV space (also known as HIS space) is as follows:

[0034] h = cos ...

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Abstract

The invention discloses an image inquiry method based on significant areas and includes the following steps: (1) performing grid partition for an image; (2) carrying out fuzzy clustering for the grids, so as to divide the image into a plurality of concerned areas; (3) Calculate the significance based on the concerned areas; (4) sorting all the grid points according to the significance, so as to gain the significant areas; (5) launching image inquiry. The invention has the advantages of simplified calculation, more complying with visual sense, improving searching efficiency and accuracy.

Description

technical field [0001] The invention relates to image processing, computer vision and pattern recognition technologies, in particular to an image query method based on salient regions. Background technique [0002] In today's digital and networked era, images have become one of the information carriers that people are most exposed to. Image information has its own characteristics. On the one hand, it has a large amount of information, but on the other hand, its degree of abstraction and structure is very low, which is not conducive to effective management. Therefore, quickly obtaining useful information from a large amount of image information has become a hot spot, and how to effectively retrieve large-scale image databases has become an urgent problem to be solved. [0003] At present, it is generally recognized that retrieval based on specific regions is more efficient than retrieval based on all image features, especially for image retrieval systems applied on commercia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06K9/62
Inventor 高科林守勋张勇东
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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