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Method and device of extracting region of interest of hand

A technology of region of interest and extraction method, which is applied in the direction of computer parts, instruments, characters and pattern recognition, etc., can solve the problems of inapplicable hand interest region, long time, and cost, and achieve the effect of being beneficial to treatment and rapid extraction

Active Publication Date: 2015-07-29
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology

However, since different parts of the human body have different structural characteristics, the above extraction techniques are not suitable for hand ROI extraction
[0005] In the existing clinical diagnosis of hand and joint diseases, the extraction of the region of interest is still mainly selected by the doctor manually. On the one hand, this process will consume a lot of time; on the other hand, the accuracy of the region of interest selection is largely Relying on the doctor's experience, resulting in unstable selection results

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  • Method and device of extracting region of interest of hand
  • Method and device of extracting region of interest of hand

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[0066] Hand joints are the main parts of hand rheumatic diseases, and the hand joint area, as the region of interest of the hand, often plays a decisive role in curing the hand joint rheumatoid diseases. Therefore, it is necessary to quickly and accurately extract hand The region of interest is beneficial to the diagnosis of rheumatoid diseases of the hand joints. However, at present, the extraction of hand regions of interest can only be selected by doctors based on experience, which brings inconvenience to the diagnosis of hand and joint diseases.

[0067] In view of the above problems, the embodiment of the present invention provides a method for extracting the region of interest of the hand. The method first obtains the feature points that can represent the features of the hand contour, and then determines the interest of the hand according to the obtained feature points. Regions, instead of selecting the region of interest of the hand by the doctor's experience, can be mo...

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Abstract

A method and a device of extracting a region of interest of a hand are provided. The method comprises the following steps: extracting a hand contour from a hand image; extracting feature points used for representing the features of the hand contour from the extracted hand contour, wherein the feature points include general feature points and auxiliary feature points; and extracting a region of interest of the hand according to the general feature points or according to the general feature points and the auxiliary feature points. By extracting the feature points for representing the features of the hand contour from the hand contour instead of directly selecting a region of interest of a hand by a doctor based on experience, a region of interest of a hand can be extracted more quickly and accurately, and the treatment of rheumatic joint diseases of the hand is facilitated.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a method and device for extracting a hand region of interest. Background technique [0002] For a long time, joint diseases such as rheumatoid arthritis have seriously endangered people's health. Severe joint diseases will lead to decreased or even loss of joint function. Among them, the hand joints are one of the main parts where diseases such as rheumatoid arthritis occur. Therefore, how to quickly and accurately diagnose hand joint diseases has become a problem that people pay more and more attention to. [0003] In practical applications, an image of a certain part of the human body, for example, an image of a hand, can be obtained through existing imaging technologies. However, no matter whether the acquired image is a two-dimensional image or a three-dimensional image, often only certain regions play a decisive role, and these decisive regions can be called regions of inte...

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Application Information

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IPC IPC(8): G06K9/00G06K9/46
Inventor 陈文娟秦畅
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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