CN105631387A - Instantaneous gait remote identification method - Google Patents
Instantaneous gait remote identification method Download PDFInfo
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- CN105631387A CN105631387A CN201410576313.1A CN201410576313A CN105631387A CN 105631387 A CN105631387 A CN 105631387A CN 201410576313 A CN201410576313 A CN 201410576313A CN 105631387 A CN105631387 A CN 105631387A
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Abstract
An instantaneous gait remote identification method comprises the following steps: (1) gait feature extraction and identification: fixing the position of a camera to make the shooting angle vertical to the walking direction of a shot object, and extracting a standard profile image from a walking sequence of video shooting; (2) gait cycle calculation: calculating the oscillation distance for each profile image in the walking sequence; (3) instantaneous gait energy diagram calculation: evenly specifying a moment in a gait cycle as a key moment, and calling the image at each key moment as an instantaneous image; and (4) calculating the feature vector of an object, and classifying and identifying the object. The instantaneous gait remote identification method has the beneficial effect that the method is simpler than the biometric identification technology, is of very high adaptability to low-quality profiles, and is very helpful in preventing crimes.
Description
Technical field:
The present invention relates to a kind of method measuring human body limb movement, be specifically related to a kind of instantaneous gait far distance identity identifying method.
Background technology:
Biological identification technology utilizes the feature of human body to carry out authentication, these features include fingerprint, sound, face, iris, DNA, the action of signature, the gait etc. of walking, different from other biological identification technology, Gait Recognition can carry out at a distance, although face is smudgy in certain distance, but gait is high-visible, Gait Recognition also has mandatory, need not identified person specially cooperate, identified person is made not easily to discover, and there is the characteristics such as not easily hiding imitation, therefore the research of gait has certain help for arresting criminal, but the domestic research to Gait Recognition is also few at present, but without what new progress.
Summary of the invention:
It is an object of the invention to provide a kind of instantaneous gait far distance identity identifying method, it is more simpler than biological identification technology, and low-quality side profile is had well adapting to property, has good help for crime prevention.
In order to solve the problem existing for background technology, the present invention is by the following technical solutions: its recognition methods is: one, Method of Gait Feature Extraction and identification, the position of video camera is fixed, shooting angle is vertical with the direction of travel of subject, extracts standard side profile image from the walk sequence of video capture;
Two, calculate gait cycle, each width side profile figure in a walk sequence is calculated swinging distance;
Three, calculating instantaneous gait energy diagram, specifying a moment in a gait cycle equably is crucial moment, and the image at each crucial moment is called ifm diagram;
Four, calculate the characteristic vector of object, then carry out the Classification and Identification of object.
The method have the advantages that it is more simpler than biological identification technology, low-quality side profile is had well adapting to property, have good help for crime prevention.
Detailed description of the invention:
This detailed description of the invention takes techniques below scheme: its method is: one, Method of Gait Feature Extraction and identification, the position of video camera is fixed, shooting angle is vertical with the direction of travel of subject, extracts standard side profile image from the walk sequence of video capture;
Two, calculate gait cycle, each width side profile figure in a walk sequence is calculated swinging distance;
Three, calculating instantaneous gait energy diagram, specifying a moment in a gait cycle equably is crucial moment, and the image at each crucial moment is called ifm diagram;
Four, calculate the characteristic vector of object, then carry out the Classification and Identification of object.
This detailed description of the invention has the advantages that it is more simpler than biological identification technology, and low-quality side profile is had well adapting to property, has good help for crime prevention.
Claims (1)
1. an instantaneous gait far distance identity identifying method, it is characterized in that, its recognition methods is: one, Method of Gait Feature Extraction and identification, the position of video camera is fixed, shooting angle is vertical with the direction of travel of subject, extracts standard side profile image from the walk sequence of video capture;
Two, calculate gait cycle, each width side profile figure in a walk sequence is calculated swinging distance;
Three, calculating instantaneous gait energy diagram, specifying a moment in a gait cycle equably is crucial moment, and the image at each crucial moment is called ifm diagram;
Four, calculate the characteristic vector of object, then carry out the Classification and Identification of object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410576313.1A CN105631387A (en) | 2014-10-26 | 2014-10-26 | Instantaneous gait remote identification method |
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| CN201410576313.1A CN105631387A (en) | 2014-10-26 | 2014-10-26 | Instantaneous gait remote identification method |
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| CN105631387A true CN105631387A (en) | 2016-06-01 |
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| CN201410576313.1A Pending CN105631387A (en) | 2014-10-26 | 2014-10-26 | Instantaneous gait remote identification method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107194372A (en) * | 2017-06-15 | 2017-09-22 | 哈尔滨理工大学 | A kind of personal identification method based on gait |
| CN109670435A (en) * | 2018-12-13 | 2019-04-23 | 深圳市信义科技有限公司 | One kind carrying out knowledge method for distinguishing to identity based on body gait feature |
-
2014
- 2014-10-26 CN CN201410576313.1A patent/CN105631387A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107194372A (en) * | 2017-06-15 | 2017-09-22 | 哈尔滨理工大学 | A kind of personal identification method based on gait |
| CN109670435A (en) * | 2018-12-13 | 2019-04-23 | 深圳市信义科技有限公司 | One kind carrying out knowledge method for distinguishing to identity based on body gait feature |
| CN109670435B (en) * | 2018-12-13 | 2022-12-13 | 深圳市信义科技有限公司 | Method for identifying identity based on human gait characteristics |
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Application publication date: 20160601 |
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| WD01 | Invention patent application deemed withdrawn after publication |