Animal iris positioning method and system

An iris positioning and animal technology, applied in the field of animal management, can solve the problems of image tilt, rotation, partial occlusion, etc., and achieve the effect of improving accuracy

Pending Publication Date: 2020-12-11
苏州小艺物联科技有限公司
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AI Technical Summary

Problems solved by technology

However, compared with human iris recognition technology, animal iris image recognition has the disadvantage that animals cannot actively cooperate with the camera like humans, resulting in problems such as tilt, rotation, and partial occlusion of the collected images. It is difficult to obtain accurate The outer edge of the iris, which in turn affects the iris recognition accuracy of animals

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  • Animal iris positioning method and system
  • Animal iris positioning method and system
  • Animal iris positioning method and system

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Embodiment Construction

[0050] The object of the present invention is to provide a method and system for locating the iris of an animal, so as to improve the accuracy of locating the outer edge of the iris of the animal.

[0051] In order to make the above objects, features and advantages of the present invention more comprehensible, the invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0052] Such as figure 1 , the present invention provides a kind of animal iris location method, and described location method comprises the steps:

[0053] Step 101, obtaining the iris image of the animal;

[0054] Step 102, performing binarization processing on the iris image to obtain a binarized iris image.

[0055] The step of performing binarization on the iris image to obtain the iris image after binarization, also includes: taking the pixel point (i, j) as the center, constructing a window with a size of k×k; In the window, utilize f...

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Abstract

The invention discloses an animal iris positioning method and system. The positioning method comprises the following steps: acquiring an iris image of an animal; performing binarization processing onthe iris image; tracking the iris image subjected to binarization processing by adopting a contour tracking algorithm, and determining the contour of each closed region of the iris image subjected tobinarization processing; extracting characteristic parameters of the contour of each closed area; taking a closed region of the characteristic parameter in a pupil parameter threshold range as a contour region of the pupil; amplifying the contour area of the pupil according to the average proportion of the pupil to the iris of the animal to obtain the outer edge contour area of the iris of the animal. According to the invention, after binarization processing is carried out on the iris image, the contour area of the pupil with high identification degree is firstly acquired, and then amplification is carried out to acquire the outer edge contour area of the iris, so that a technical defect of inaccurate iris positioning caused by problems of inclination, rotation, local shielding and the like of the iris image is overcome; and the accuracy of animal iris outer edge positioning is improved.

Description

technical field [0001] The invention relates to the technical field of animal management, in particular to an animal iris positioning method and system. Background technique [0002] Iris recognition is also a biometric technology that is relatively widely used. Compared with fingerprint and face recognition technologies, iris recognition has higher accuracy. Iris recognition technology has been widely used in finance, medical care, security inspection, security, special industry attendance and access control, industrial control and other fields. [0003] At present, animal management is mainly based on the traditional RFID electronic tags implanted in animals, which has certain harm to animals, and the use of non-invasive iris recognition technology to identify animal identities is of great significance to animal management. [0004] Invention patents CN106326825A and CN101447025A disclose the iris outer edge positioning method, which approximates the iris outer edge area ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/38G06K9/46
CPCG06V40/193G06V40/18G06V10/28G06V10/44
Inventor 周兴祥于全文
Owner 苏州小艺物联科技有限公司
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