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Image identifying method based on Gabor phase mode

A phase pattern and image recognition technology, applied in the field of image recognition, can solve the problems of simple patterns, limited scope of use, inability to use complex image recognition, etc., to achieve good recognition effect and high recognition accuracy

Active Publication Date: 2006-11-08
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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Problems solved by technology

This method utilizes Gabor phase information to realize iris recognition, but this method has the problem that the pattern is too simple and cannot be used in the recognition of more complex images (such as faces), thus limiting the scope of use of this method

Method used

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  • Image identifying method based on Gabor phase mode
  • Image identifying method based on Gabor phase mode
  • Image identifying method based on Gabor phase mode

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Embodiment Construction

[0049] The image recognition method based on the Gabor phase pattern of the present invention will be described in detail below with reference to the drawings and specific embodiments.

[0050] Take the most common face recognition in image recognition as an example, such as Figure 9 Shown, the inventive method comprises:

[0051] Step 10: Select two images, one image is a standard image for comparison, and the other image is an image to be recognized. In the face recognition embodiment, the two selected images respectively contain human face regions. The standard image is recorded as image 1, and the image to be recognized is recorded as image 2.

[0052] Step 20: Perform segmentation operations on the two selected images, segment the core areas of the two images, and avoid the possible impact of the background part of the image that has nothing to do with the core area on image recognition, and mainly identify the core of the image during image recognition Are the areas ...

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Abstract

This invention discloses an image identification method based on the Gabor phase mode including: picture selection: exchanging Gabor to the being compared images to get Gabor character images for them, picking up global and local Gabor phase modes from each of the character image and evaluating the character modes to connect the evaluation results in series to high dimension character vectors to be compared to get the similarity degree among the vectors to identify images.

Description

technical field [0001] The invention relates to the field of image recognition, in particular to an image recognition method based on Gabor phase patterns. Background technique [0002] With the emergence of a large number of digital images, images need to be processed, and an important aspect of image processing is image recognition. Image recognition is to judge whether two or more images are the same image or whether the images are roughly the same through the comparison between images. Image recognition has a wide range of applications in the field of biometric recognition and has achieved success, such as fingerprint recognition, face recognition, iris recognition, etc. [0003] Face recognition is a successful application of image recognition technology, which has received extensive attention in commercial applications and research fields. Specifically, face recognition is to use one face image as a standard to identify another face image to see whether the faces in ...

Claims

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Application Information

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IPC IPC(8): G06K9/00
Inventor 高文张宝昌山世光陈熙霖
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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