CN106060461A - Indoor patrol estimation method based on head movement - Google Patents
Indoor patrol estimation method based on head movement Download PDFInfo
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- CN106060461A CN106060461A CN201610410837.2A CN201610410837A CN106060461A CN 106060461 A CN106060461 A CN 106060461A CN 201610410837 A CN201610410837 A CN 201610410837A CN 106060461 A CN106060461 A CN 106060461A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- G—PHYSICS
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- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06398—Performance of employee with respect to a job function
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
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Abstract
The invention provides an indoor patrol estimation method based on a head movement. The method comprises the steps that a video collection device detects for determining whether a person is a security staff; the video collection device focuses on the head rotation movement of the security staff, and estimates a patrol viewing angle range of the security staff according to the head rotation movement of the security staff and a human engineering principle; and according to the patrol viewing angle range of the security staff, an indoor range which is patrolled by the security staff is assessed, when a patrol estimated value is lower than a threshold area, displaying on a map in a central control room is implemented, and the security staff is informed by a monitoring staff to patrol again. According to the method of the invention, the identity of the security staff can be verified, the important video of a patrol process can be uploaded to a management center, management on the patrol of the security staff can be feasibly reinforced, and the security degree can be improved.
Description
Technical field
The application relates to indoor and patrols and examines field, particularly relates to a kind of indoor patrol method of estimation based on headwork.
Background technology
Starting security personnel's inspection system at night in large-scale company, plant area, security personnel typically can hold patrolling stick and go on patrol.Mesh
Front patrolling stick is an isolated Self-defensive baton, does not has other multimedia extended and Communications service function, it is impossible to adapt to patrol
Field condition and the disposal requirement of accident.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes a kind of indoor patrol method of estimation based on headwork, its bag
Include:
Step 101, the video capture device being positioned on patrol route are detected with personnel when entering range of video, whether confirm it
For Security Personnel；
Step 103, when confirming as Security Personnel, described video capture device focuses on its end rotation action, according to it
End rotation action and base of principle of human engineering, estimate the angular field of view of the tour of described Security Personnel；
Step 105, angular field of view according to the tour of described Security Personnel, the indoor range making an inspection tour described Security Personnel enters
Row assessment, when there is the region that tour assessed value is less than some threshold value, shows, by monitoring on the map of central control room
Personnel notify that described Security Personnel re-starts tour.
Wherein, described step 101 confirming, whether it is Security Personnel in the following manner: described video capture device leads to
Cross the specific region or position or mark or jewelry clearly differentiated on clothing or mark identifies.
Wherein, base of principle of human engineering described in step 103 refers to what the biological nature of the angular field of view according to human eye determined
Described Security Personnel's angular field of view.
Wherein, the angular field of view of Security Personnel described in step 103 is estimated as follows:
Assuming that on described Security Personnel's view plane, with its direction of advance as the longitudinal axis, its both sides end rotation angle is respectively β 1,
β 2, wherein 0 < β 1, β 2 < 180 degree, the eyes coincidence ken of described Security Personnel is α, wherein α < 124 degree；
When described Security Personnel's rotatable head reaches side maximum angle β 1, then with place between the eyebrows as initial point in its view plane, hang down
Directly extend α/2 laterally as visual angle, side maximum angle in its facial plane or hindbrain plane, be β 1+ α/2；
When other side maximum angle is β 2, then another visual angle maximum angle is β 2+ α/2；
Then its angular field of view at a certain coordinate is β 1+ β 2+ α/2, wherein 0 < β 1, β 2 < 180 degree, wherein side end rotation
Angle comprises owing to described personnel rotate the angle after the expansion of the end rotation scope that health causes.
Wherein, the coordinate under indoor plane coordinate is referred at described coordinate.
Wherein, video image coordinate transformation is the coordinate under indoor plane coordinate by step 103 in the following way:
According to described video image coordinate system and the conversion relation of described video capture device coordinate system and described video acquisition
Device coordinate system and the conversion relation of described indoor plane coordinate system, be described by the coordinate transformation of described video image coordinate system
The coordinate of indoor plane coordinate system；
Wherein, described video image coordinate system be pre-build with the summit of described video image as initial point, with described top
The coordinate system that both sides are coordinate axes that point is adjacent；Described video capture device coordinate system be pre-build with equipment position
It is the x-axis direction parallel with described video pictures vertical direction for initial point and the direction of described video pictures horizontal direction parallel
It is the coordinate system of z-axis for y-axis, optical axis direction；Described indoor plane coordinate system be pre-build with physics ground for XoY put down
Face, with the coordinate system being projected as initial point of described video capture device coordinate origin to place, ground plane XoY.
Wherein, room area is divided into 50cm*50cm square by step 105, in order to assess the tour in each region
Assessed value.
Wherein, make an inspection tour assessed value described in step 105 to be obtained by below equation:
Make an inspection tour assessed value=a * at a distance of length * lg{(time of staying t) * sin(angular field of view γ) },
Wherein, a is compensating factor, and described time of staying t refers to Security Personnel's time of staying at some coordinate position, described phase
Distance degree refers to the central point of this square and the air line distance of Security Personnel, sin(angular field of view γ) refer to angular field of view sine value, lg
Refer to denary logarithm function.
By above invention, it is able to verify that the identity of security personnel, the emphasis video of the process of tour can be uploaded to administrative center,
Can conscientiously strengthen the management that security personnel are maked an inspection tour, improve safe coefficient.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of based on headwork the indoor patrol method of estimation consistent with the embodiment of the present invention.
Specific embodiment
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Generally, the simple eye horizontal view angle of people is maximum up to 156 degree, and the horizontal view angle maximum of eyes is up to 188 degree.People two
The coincidence ken is 124 degree, and the simple eye comfortable ken is 60 degree.
1. what human eye was watched in fact is not merely a plane with coincidence visual angle, but one more than 180 degree
Fish-eye 188 degree of planar annulars, are similar to the most popular ring film screen.
2. two coincidence kens of people have 124 degree.That is in the range of human eye is watched, only these 124 degree of visual angles
Interior object just has third dimension.In other words only have the object section watched in these 124 degree of two coincidence kens, exceed
180 degree, to such an extent as to define third dimension.
The most simple eye comfortable ken is 60 degree.Being to say the object in the range of only these simple eye 60 degree, people can see clearly
Chu, human eye can focus on.The peripheral part exceeding horizontal direction angle of visibility 30 degree is referred to as inducing the visual field, is commonly called as the remaining of eyes
Light, is human eye insensitive scope in fact, namely cannot see.
As it is shown in figure 1, the present invention proposes a kind of indoor patrol method of estimation based on headwork, comprising:
Step 101, the video capture device being positioned on patrol route are detected with personnel when entering range of video, whether confirm it
For Security Personnel；
Step 103, when confirming as Security Personnel, described video capture device focuses on its end rotation action, according to it
End rotation action and base of principle of human engineering, estimate the angular field of view of the tour of described Security Personnel；
Step 105, angular field of view according to the tour of described Security Personnel, the indoor range making an inspection tour described Security Personnel enters
Row assessment, when there is the region that tour assessed value is less than some threshold value, shows, by monitoring on the map of central control room
Personnel notify that described Security Personnel re-starts tour.
In some embodiment, the closing constituted according to the coordinate points of all reality coordinate systems of the arrival of described personnel
Region is as its range of activity.
In a certain embodiment, owing to indoor environment is a closed area, the range of activity of described Security Personnel determines
After, can compare with the carrying out of a certain threshold value according to this ratio of area going on patrol this range of activity patrol whole with indoor scope
Relatively weigh this patrol the most qualified, finally add up this ratio of any a period of time, thus it is examined.
In some embodiment, some works in being arbitrarily chosen at certain a period of time can be responsible for by occurrences in human life and security department
Work must be through inspection point provided, and the work every time maked an inspection tour according to Security Personnel must account for all work through inspection point provided and must come through the ratio of inspection point provided
Weigh its work.
In some embodiment, some works in being arbitrarily chosen at certain a period of time can be responsible for by occurrences in human life and security department
Work must be through inspection point provided, and the work maked an inspection tour according to staff must account for all work through inspection point provided and must weigh through the ratio of inspection point provided
Its work.
In a certain embodiment, when examining its work, can be within the time of one month, two periods or many chosen
The time of section, the work in every period must can be different through inspection point provided.
In a certain embodiment, owing to video capture device acquisition angles is certain, the maximum distance shot is made
For fan-shaped radius, thus calculate its whole tour area.
Wherein, described step 101 confirming, whether it is Security Personnel in the following manner: described video capture device leads to
Cross the specific region or position or mark or jewelry clearly differentiated on clothing or mark identifies.
Wherein, base of principle of human engineering described in step 103 refers to what the biological nature of the angular field of view according to human eye determined
Described Security Personnel's angular field of view.
Wherein, the angular field of view of Security Personnel described in step 103 is estimated as follows:
Assuming that on described Security Personnel's view plane, with its direction of advance as the longitudinal axis, its both sides end rotation angle is respectively β 1,
β 2, wherein 0 < β 1, β 2 < 180 degree, the eyes coincidence ken of described Security Personnel is α, wherein α < 124 degree；
When described Security Personnel's rotatable head reaches side maximum angle β 1, then with place between the eyebrows as initial point in its view plane, hang down
Directly extend α/2 laterally as visual angle, side maximum angle in its facial plane or hindbrain plane, be β 1+ α/2；
When other side maximum angle is β 2, then another visual angle maximum angle is β 2+ α/2；
Then its angular field of view at a certain coordinate is β 1+ β 2+ α/2, wherein 0 < β 1, β 2 < 180 degree, wherein side end rotation
Angle comprises owing to described personnel rotate the angle after the expansion of the end rotation scope that health causes.
Wherein, the coordinate under indoor plane coordinate is referred at described coordinate.
Wherein, video image coordinate transformation is the coordinate under indoor plane coordinate by step 103 in the following way:
According to described video image coordinate system and the conversion relation of described video capture device coordinate system and described video acquisition
Device coordinate system and the conversion relation of described indoor plane coordinate system, be described by the coordinate transformation of described video image coordinate system
The coordinate of indoor plane coordinate system；
Wherein, described video image coordinate system be pre-build with the summit of described video image as initial point, with described top
The coordinate system that both sides are coordinate axes that point is adjacent；Described video capture device coordinate system be pre-build with equipment position
It is the x-axis direction parallel with described video pictures vertical direction for initial point and the direction of described video pictures horizontal direction parallel
It is the coordinate system of z-axis for y-axis, optical axis direction；Described indoor plane coordinate system be pre-build with physics ground for XoY put down
Face, with the coordinate system being projected as initial point of described video capture device coordinate origin to place, ground plane XoY.
Wherein, room area is divided into 50cm*50cm square by step 105, in order to assess the tour in each region
Assessed value.
Wherein, make an inspection tour assessed value described in step 105 to be obtained by below equation:
Make an inspection tour assessed value=a * at a distance of length * lg{(time of staying t) * sin(angular field of view γ) },
Wherein, a is compensating factor, and described time of staying t refers to Security Personnel's time of staying at some coordinate position, described phase
Distance degree refers to the central point of this square and the air line distance of Security Personnel, sin(angular field of view γ) refer to angular field of view sine value, lg
Refer to denary logarithm function.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
These embodiments can be carried out multiple change in the case of departing from the principle of the present invention and objective, revise, replace and modification, this
The scope of invention is limited by claim and equivalent thereof.
Claims (8)
1. an indoor patrol method of estimation based on headwork, it comprises the following steps:
Step 101, the video capture device being positioned on patrol route are detected with personnel when entering range of video, whether confirm it
For Security Personnel；
Step 103, when confirming as Security Personnel, described video capture device focuses on its end rotation action, according to it
End rotation action and base of principle of human engineering, estimate the angular field of view of the tour of described Security Personnel；
Step 105, angular field of view according to the tour of described Security Personnel, the indoor range making an inspection tour described Security Personnel enters
Row assessment, when there is the region that tour assessed value is less than some threshold value, shows, by monitoring on the map of central control room
Personnel notify that described Security Personnel re-starts tour.
2. method as claimed in claim 1, confirms in wherein said step 101 whether it is Security Personnel in the following manner:
Described video capture device is identified by the specific region clearly differentiated on clothing or position or mark or jewelry or mark.
3. method as claimed in claim 1, wherein base of principle of human engineering described in step 103 refers to the angular field of view according to human eye
Described Security Personnel's angular field of view of determining of biological nature.
4. method as claimed in claim 1, wherein the angular field of view of Security Personnel described in step 103 is estimated as follows
Calculate:
Assuming that on described Security Personnel's view plane, with its direction of advance as the longitudinal axis, its both sides end rotation angle is respectively β 1,
β 2, wherein 0 < β 1, β 2 < 180 degree, the eyes coincidence ken of described Security Personnel is α, wherein α < 124 degree；
When described Security Personnel's rotatable head reaches side maximum angle β 1, then with place between the eyebrows as initial point in its view plane, hang down
Directly extend α/2 laterally as visual angle, side maximum angle in its facial plane or hindbrain plane, be β 1+ α/2；
When other side maximum angle is β 2, then another visual angle maximum angle is β 2+ α/2；
Then its angular field of view at a certain coordinate is β 1+ β 2+ α/2, wherein 0 < β 1, β 2 < 180 degree, wherein side end rotation
Angle comprises owing to described personnel rotate the angle after the expansion of the end rotation scope that health causes.
5. method as claimed in claim 4, refers to the coordinate under indoor plane coordinate at wherein said coordinate.
6. as claimed in claim 5 method, be wherein indoor putting down by video image coordinate transformation in step 103 in the following way
Coordinate under areal coordinate:
According to described video image coordinate system and the conversion relation of described video capture device coordinate system and described video acquisition
Device coordinate system and the conversion relation of described indoor plane coordinate system, be described by the coordinate transformation of described video image coordinate system
The coordinate of indoor plane coordinate system；
Wherein, described video image coordinate system be pre-build with the summit of described video image as initial point, with described top
The coordinate system that both sides are coordinate axes that point is adjacent；Described video capture device coordinate system be pre-build with equipment position
It is the x-axis direction parallel with described video pictures vertical direction for initial point and the direction of described video pictures horizontal direction parallel
It is the coordinate system of z-axis for y-axis, optical axis direction；Described indoor plane coordinate system be pre-build with physics ground for XoY put down
Face, with the coordinate system being projected as initial point of described video capture device coordinate origin to place, ground plane XoY.
7. as claimed in claim 1 method, is wherein divided into 50cm*50cm square in step 105, in order to comment by room area
Estimate the tour assessed value in each region.
8. method as claimed in claim 7, is wherein maked an inspection tour assessed value and is obtained by below equation described in step 105:
Make an inspection tour assessed value=a * at a distance of length * lg{(time of staying t) * sin(angular field of view γ) },
Wherein, a is compensating factor, and described time of staying t refers to Security Personnel's time of staying at some coordinate position, described phase
Distance degree refers to the central point of this square and the air line distance of Security Personnel, sin(angular field of view γ) refer to angular field of view sine value, lg
Refer to denary logarithm function.
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| CN201610410837.2A CN106060461A (en) | 2016-06-13 | 2016-06-13 | Indoor patrol estimation method based on head movement |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002300570A (en) * | 2001-03-30 | 2002-10-11 | Nihon Building Services Co Ltd | Mobile image information system |
| CN101808235A (en) * | 2010-02-22 | 2010-08-18 | 江苏省电力公司无锡供电公司 | Inspection quality certification system of intelligent video substation |
| CN103631381A (en) * | 2013-12-10 | 2014-03-12 | 国家电网公司 | Man-machine interaction system and man-machine interaction method for electric transmission line patrolling simulation system |
| CN203720890U (en) * | 2014-03-19 | 2014-07-16 | 于曙红 | Wearable polling terminal |
| CN104751531A (en) * | 2013-12-25 | 2015-07-01 | 鸿富锦精密工业（深圳）有限公司 | Patrol control apparatus, system and method thereof |
-
2016
- 2016-06-13 CN CN201610410837.2A patent/CN106060461A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002300570A (en) * | 2001-03-30 | 2002-10-11 | Nihon Building Services Co Ltd | Mobile image information system |
| CN101808235A (en) * | 2010-02-22 | 2010-08-18 | 江苏省电力公司无锡供电公司 | Inspection quality certification system of intelligent video substation |
| CN103631381A (en) * | 2013-12-10 | 2014-03-12 | 国家电网公司 | Man-machine interaction system and man-machine interaction method for electric transmission line patrolling simulation system |
| CN104751531A (en) * | 2013-12-25 | 2015-07-01 | 鸿富锦精密工业（深圳）有限公司 | Patrol control apparatus, system and method thereof |
| CN203720890U (en) * | 2014-03-19 | 2014-07-16 | 于曙红 | Wearable polling terminal |
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