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Image processing system and image processing method capable of improving face identification rate

A face recognition system and image processing technology, applied in the field of image processing systems to achieve the effect of improving the probability of success

Inactive Publication Date: 2014-12-03
ASUSTEK COMPUTER INC
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  • Claims
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Problems solved by technology

In order to solve the above problems, relevant fields have tried their best to find a solution, but no applicable method has been developed for a long time.

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  • Image processing system and image processing method capable of improving face identification rate
  • Image processing system and image processing method capable of improving face identification rate
  • Image processing system and image processing method capable of improving face identification rate

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Embodiment Construction

[0015] In order to make the description of the present invention more detailed and complete, reference may be made to the drawings and various embodiments described below, and the same numbers in the drawings represent the same or similar elements. On the other hand, well-known elements and steps have not been described in the embodiments in order to avoid unnecessarily limiting the invention.

[0016] As used herein, "about", "approximately" or "approximately" is used to modify any quantity which may vary slightly, but which does not change its essence. Unless otherwise specified in the embodiments, it means that the error range of the numerical value modified by "about", "approximately" or "approximately" is generally allowed to be within 20%, preferably within 10%. Within, and better still within five percent.

[0017] figure 1 It is a flow chart of an image processing method 100 for improving the face recognition rate according to an embodiment of the present invention. ...

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Abstract

The invention discloses an image processing system and an image processing method, which are capable of improving a face identification rate. The method includes the following steps: firstly, acquiring an image which includes a face; next, carrying out face detection on a default zone in the image; when face detection cannot be completed, adjusting an exposure value of the default zone so as to enable the exposure value of the default zone to conform to an expectation value; when the luminance of the default zone conforms to the expectation value and the face detection is completed, analyzing image information in a face zone of the image; and next, according to the image information, selecting a model parameter and an image adjustment parameter corresponding to the model parameter and carrying out image processing on the face zone in the image and then outputting the processed image to the face identification system. Through the technical scheme, an image which is acquired under a backlight or low-illuminance environment can be enhanced to a bright and clear output image so as to be used by a rear-end face identification system so that the successful detection and identification rate can be improved significantly.

Description

technical field [0001] The invention relates to an image processing system, in particular to an image processing system and an image processing method for improving the face recognition rate. Background technique [0002] Portrait face recognition technology can be applied to human computer interface (human computer interface), home video surveillance (home video surveillance) or biometric face recognition and its image database management technology. It plays an increasingly important role in the industry, and it is also one of the technologies that major science and technology research centers are currently working on. However, face recognition is difficult and has many variables. For example, in a backlit or low-light environment, a face recognition system often cannot collect enough biometric data. [0003] It can be seen that the current portrait face recognition technology is not yet fully mature, and needs to be further improved. In order to solve the above problems...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06T5/00
Inventor 郭修瑞刘育诚郑义锜
Owner ASUSTEK COMPUTER INC
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