CN104867080B - A kind of personal identification method when self-service physical examination - Google Patents
A kind of personal identification method when self-service physical examination Download PDFInfo
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- CN104867080B CN104867080B CN201510254864.0A CN201510254864A CN104867080B CN 104867080 B CN104867080 B CN 104867080B CN 201510254864 A CN201510254864 A CN 201510254864A CN 104867080 B CN104867080 B CN 104867080B
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Abstract
The present invention provides personal identification methods when a kind of self-service physical examination, include the following steps：S1, by covering positioning device a certain physical examination card is positioned respectively in Physical Examination Room more, determines that the current physical examination that each positioning device navigates to is stuck in the indoor localization region of physical examination；S2, each localization region is overlapped with the detection zone of each positioning device and is summed to overlapping area；S3, step S1~S2 is repeated, traverses every other physical examination card in Physical Examination Room, obtains the overlapping area corresponding to each physical examination card；The maximum physical examination card of overlapping area is determined as the physical examination card that the examinee of this physical examination wears by the overlapping area of S4, each physical examination card of comparison.Position error of the present invention is small, effectively avoids signal interference, precision higher and more economical.
Description
Technical field
The invention belongs to personal identification methods when intelligent medical treatment technical field more particularly to a kind of self-service physical examination.
Background technology
With the continuous improvement of people's living standards, people also increasingly pay attention to the health of itself, there is routinely physical examination
The people of demand is more and more, but family health care monitoring device is rare and expensive at this stage, needs to spend again to Hospital Physical Examination big
Amount is lined up and traffic time, especially in some remote districts, since local hospital equipment lacks, and is not drawn to city physical examination
It calculates.On the other hand, demand of the elderly to health is also more and more eager, but due to handicapped, goes Hospital Physical Examination relatively more tired
It is difficult.
In order to meet the demand of frequent, routinely the physical examination of people, previous more commonly used mode is hospital organization doctor
Business personnel check UP with equipment to people residence (cell, small towns, village or home for the aged etc.), but this mode accounts for
It, can only busy not be organized once in a while in hospital business with a large amount of human resources.To solve this problem, relatively good method is just
It is to utilize self-service mobile health detecting system, check-up equipment is directly transported to people residence and carries out self-service physical examination.In this way
The requirement of people's routinely physical examination can be met, and only need a small amount of medical worker.
But at present when carrying out self-service physical examination, examinee's confirmation that first carries out swiping the card is needed to check UP again, so as to right
The identity of examinee is identified, to link up with physical examination data and examinee's identity；Special staff is also needed to carry out
Supervision and management, otherwise Yi Dan generation not swiping the card with regard to the case where physical examination, it is possible to generate medical examiner and physical examination data correspond to mistake
Accidentally the phenomenon that, this self-service physical examination mode are very inconvenient to operate and are easy error.
The mode of another kind identification examinee's identity is that (such as TDOA localization methods are exactly mesh by way of One-Point Location
Preceding more advanced localization method), but there is error in the method for any One-Point Location, presently mainly calculate essence by being promoted
Exactness improves the modes such as arithmetic speed to improve the accuracy of positioning, but this mode can greatly promote cost.
Invention content
The purpose of the present invention is to provide personal identification methods when a kind of self-service physical examination, it is intended to solve existing positioning skill
The problems such as art propagation is done, accuracy is inadequate.
The invention is realized in this way personal identification method when a kind of self-service physical examination, includes the following steps：
S1, by covering positioning device a certain physical examination card is positioned respectively in Physical Examination Room more, determines each positioning device
The current physical examination navigated to is stuck in the indoor localization region of physical examination；
S2, each localization region is overlapped with the detection zone of each positioning device and is summed to overlapping area；
S3, step S1~S2 is repeated, traverses every other physical examination card in Physical Examination Room, obtains the coincidence corresponding to each physical examination card
Area；
The maximum physical examination card of overlapping area is determined as the physical examination of this physical examination by the overlapping area of S4, each physical examination card of comparison
The physical examination card that person wears.
Preferably, further include step before step S1：
S0, the identity information of physical examination card and examinee is associated.
Preferably, in step sl, described that a certain physical examination card is carried out respectively by covering positioning device in Physical Examination Room more
Positioning is specially：The stage bodies of n >=3 are placed in inspection chamber and examine card signal receiver, and optional 3 stage body inspection card signal receiver is configured to
A set of virtual positioning device is to get to Cn 3Positioning device is covered, it is indoor to physical examination by TDOA localization methods often to cover positioning device
Physical examination card is positioned.
Preferably, the physical examination card sends n+m+1 fixed length information, letter with specific frequency to each physical examination card signal receiver
Ceasing content is:First n be physical examination card signal receiver ID, centre m be count value, last 1 be parity check code, fall into a trap
Numerical value is started counting up from 0, is incremented by according to step-length 1, when count value reaches 2mWhen -1, counted again since 0；
The physical examination card signal receiver increases the mark ID of the physical examination card signal receiver behind the information received
And receiving time, new packet is formed, which is sent to background server by gateway.
Preferably, the TDOA localization methods include the following steps：
(1) assume that the virtual positioning device of the set includes that three stage bodies that ID number is A, B, C examine card signal receiver, obtain one
Inspection card ID, count value, physical examination card signal receiver ID, physical examination card signal receiver receive the time of information；
(2) assume that physical examination card signal receiver A, B receive the time point that current physical examination is stuck in the information that the same time sends out
It is not tA、tB, then the time difference that physical examination snaps between device A, B is | tA-tB|；Then physical examination snaps into the distance between device A, B
Difference is | tA-tB | * V；Equally, find out physical examination and snap into the distance between device A, C differences and be | tA-tC | * V；Wherein, V passes for signal
Defeated speed；
(3) using A, B as focus, drawing range difference is | tA-tB | hyp one of * V；Using A, C as focus, draw away from
Deviation is | tA-tC | hyp one of * V；Two single hyp intersection points of branch are the virtual unit to current physical examination card
Position location；
(4) step (1)~(3) are repeated, position location of the virtual unit to other physical examination cards is obtained.
Compared with the prior art the shortcomings that and deficiency, the invention has the advantages that：
(1) position location is become region (physical examination area), further by the present invention according to the particularity of self-service physical examination from point
Reduce position error.
(2) present invention is positioned by more complete equipments, and using Principle of Statistics, it is attached that these anchor points will focus on actual location
Closely, the interference of personnel near physical examination area is efficiently avoided.
(3) present invention improves precision by increasing the quantity of positioning device, and the precision than improving single set positioning device more passes through
Ji.
Description of the drawings
Fig. 1 is a kind of Physical Examination Room schematic diagram of the invention；
Fig. 2 is a kind of anchor point bit distribution figure of the invention；
Fig. 3 is a kind of overlapping area approximation calculation schematic diagram of the invention；
Fig. 4 is another overlapping area approximation calculation schematic diagram of the invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In embodiments of the present invention, each noun specific explanations are as follows：
Physical Examination Room:Examinee participates in the closed area of all physical examination projects, and usually a room is (by equipment installation and admittedly
It is fixed to check UP in the room) or a vehicle compartment (equipment is fitted and fixed in compartment and is checked UP)；
Physical examination area:Examinee carries out regional extent residing when some physical examination project, usually carries out standing when this physical examination
Vertical position, seat or bed；
Check-up equipment：The equipment for exclusively carrying out certain project physical examination, can be in wired or wireless manner by gateway with after
Platform server is communicated；
Physical examination card：A kind of intelligent cards have unique ID number in the same Physical Examination Room, can be by way of wireless transmission
Send brief information；
Physical examination card signal receiver：The wireless messages that physical examination card is sent out can be received, and can be with wired or wireless
Mode is communicated by gateway with background server；
Intelligent gateway (abbreviation gateway)：Can by it is wired or wirelessly with background server, physical examination card signal
Receiver, check-up equipment are communicated, and are communicated between background server and physical examination card signal receiver, check-up equipment
Rendezvous Point；
Check-up equipment background server：The core of Physical Examination System includes mainly following functions module：Registration Module, communication
Module, identification module, display module, memory module.Its communication module is mainly responsible for and physical examination card signal receiver, physical examination
It is communicated between equipment；Its identification module can be identified examinee's identity with method of the present invention, and will
The physical examination information of examinee and the identity information of examinee correspond to；
Position error：Examinee's physical location and according to check-up equipment measure position reality between maximum distance, be
Convenient for statement, present invention assumes that position error is R.
Before present invention specific implementation starts, following preparation is carried out：
(1) before examinee's physical examination, examinee needs to get physical examination card, and registered name, gender, age, address, body
The essential informations such as part card number；
(2) physical examination card is being associated by Physical Examination System with examinee, and physical examination card and examinee's identification card number are carried out one
One corresponds to；
(3) stage bodies of n >=3 being placed in inspection chamber and examining card signal receiver, fixing each physical examination card signal in installation receives
After device, optional 3 stage body inspection card signal receiver is configured to a set of virtual positioning device to get to Cn 3Positioning device is covered, is measured each
Device coordinate delimit the detection zone of the check-up equipment；
(4) after examinee enters Physical Examination Room, physical examination card enters state of activation, is received to each physical examination card signal with specific frequency
Device sends n+m+1 fixed length information, and the information content is:First n be device id, centre m be count value, last 1 be odd even
Check code, count value are started counting up from 0, are incremented by according to step-length 1, when count value reaches 2mWhen -1, since 0 again
It counts；
(5) after each physical examination card signal receiver receives the information that physical examination card is sent, increase behind the information received
The mark (ID) and receiving time of the equipment, form new packet, which is sent to background server by gateway.
When certain check-up equipment judges that someone is checked UP using the equipment, the present invention provides when a kind of self-service physical examination
Personal identification method, include the following steps：
S1, by covering positioning device a certain physical examination card is positioned respectively in Physical Examination Room more, determines each positioning device
The current physical examination navigated to is stuck in the indoor localization region of physical examination；
S2, each localization region is overlapped with the detection zone of each positioning device and is summed to overlapping area；
S3, step S1~S2 is repeated, traverses every other physical examination card in Physical Examination Room, obtains the coincidence corresponding to each physical examination card
Area；
The maximum physical examination card of overlapping area is determined as the physical examination of this physical examination by the overlapping area of S4, each physical examination card of comparison
The physical examination card that person wears.
In conjunction with Figure of description, above-mentioned steps S1~S4 specific implementation modes of the present invention are further elaborated：
Such as Fig. 1：The figure is Physical Examination Room, and stage body inspection card signal receiver is respectively placed on four angles and is combined into four sets of void
(receiver 1,2,3 is first set to quasi- positioning device, and receiver 1,2,4 is second set, and receiver 1,3,4 is third set, receiver
2,3,4 be the 4th set), medical examiner's (stain in figure) wears physical examination card and checks UP.In this example, there are four self-service physical examination items
Mesh carries out respective items purpose physical examination and has to enter into corresponding physical examination region (for example, to carry out 1# project physical examinations, it is necessary to enter body
Examine region 1).For ease of statement and without loss of generality, it is assumed that each physical examination region is the border circular areas that radius is 40cm.
Such as Fig. 2, when examinee [1] (wearing physical examination card to be identified as [1]) carries out 1# project physical examinations, side stands examinee
[0] (wear physical examination card be identified as [0]) farther out due to other examinees and 1# project physical examinations region can directly exclude.
The virtual positioning device of system positions examinee [0] and examinee [1] respectively at this time, due to there is four sets of void
Quasi- positioning device, therefore there are four position point by each examinee.
Such as Fig. 3, O1For the point that the 4th set of virtual positioning device positions examinee [1], most with the set virtual unit
Big error R is that radius draws circle (radius O1The length r of A1=R takes R=15cm in this example)；O2For the center of circle in physical examination area, physical examination area
Radius O2The length of A is r2, O1O2Length be d (value is easy to find out).
As (r2*r2-r1*r1)1/2<d<r1+r2When, circle O1With circle O2With lap area by circular arc AB and circular arc C D packets
The area enclosed, the area S (being easy the result for proving not interfering with identification) that actual calculating area is quadrangle ABCD.
Enable triangle AO1O2Area be S1, the area of triangle ABD is S2, then：
| BD |=r1+r2-d；
It can be obtained according to Heron's formula：
P=(r1+r2+d)/2
S1=(p* (p-r1)*(p-r2)*(p-d))1/2
S2=S1*|BD|/|O1O2|=(p* (p-r1)*(p-r2)*(p-d))1/2*(r1+r2-d)/d
It is apparent from S=2*S2
I.e.：S=2* (p* (p-r1)*(p-r2)*(p-d))1/2*(r1+r2-d)/d； (1)
Such as Fig. 4, work as r2-r1<d<=(r2*r2-r1*r1)1/2When, the result that formula (1) calculates obviously is distorted, at this point,
Accrued nomogram shows the area of dash area, i.e. hemicycle O1Area SO1The area S of+triangle ABCABC, in practical calculating, take
SO1=2*r1*r1
I.e.：S=r1*(r2-d)+r1*r1； (2)
Work as d<=r2-r1When, S=SO1； (3)
Wherein SO1For circle O1Area, SO2For circle O2Area, it is practical when calculating, take SO1=2*r1*r1, SO2=2*r2*r2
(being easy the result for proving not interfering with identification).
Work as d>=r1+r2When, S=0； (4)
Such as Fig. 2, it is easy to find out d1、d2、d3、……、d8Value, for ease of calculate, after taking approximation, have：
d1=10cm
d2=15cm
d3=35cm
d4=45cm
d1=45cm
d1=35cm
d1=80cm
d1=75cm
Known r1=15, r2=40
According to di(i=1,2 ..., 8), r2、r1Between relationship, apply mechanically formula (1)~(4), acquire examinee [0] positioning
4 points formed circle and physical examination area overlapping the sum of region area：
S[0]=131+346+0+0=477cm2；
Acquire the sum of the region area of the circle and physical examination area overlapping of 4 points formation of examinee [1] positioning：
S[1]=450+450+346+131=1377cm2
To sum up, there is S[1]>S[0]
Therefore it can be determined that the people in the region physical examination is examinee [1].
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (4)
1. personal identification method when a kind of self-service physical examination, which is characterized in that include the following steps：
S1, by covering positioning device a certain physical examination card is positioned respectively in Physical Examination Room more, determines each positioning device positioning
To current physical examination be stuck in the indoor localization region of physical examination；
It is described that a certain physical examination card is positioned specially respectively by covering positioning device in Physical Examination Room more：It is put in inspection chamber
Set the stage bodies of n >=3 inspection card signal receiver, optional 3 stage body inspection card signal receiver be configured to a set of virtual positioning device to get to
Cn 3Positioning device is covered, positioning device is often covered and the indoor physical examination card of physical examination is positioned by TDOA localization methods；
S2, each localization region is overlapped with the detection zone of each positioning device and is summed to overlapping area；
S3, step S1~S2 is repeated, traverses every other physical examination card in Physical Examination Room, obtains the coincidence face corresponding to each physical examination card
Product；
The overlapping area of S4, each physical examination card of comparison, the examinee that the maximum physical examination card of overlapping area is determined as to this physical examination wear
The physical examination card of band.
2. personal identification method when self-service physical examination as described in claim 1, which is characterized in that also wrapped before step S1
Include step：
S0, the identity information of physical examination card and examinee is associated.
3. personal identification method when self-service physical examination as described in claim 1, which is characterized in that the physical examination card is with specific
Frequency sends n+m+1 fixed length information to each physical examination card signal receiver, and the information content is:First n receives for physical examination card signal
Device ID, centre m be count value, last 1 be parity check code, count value is started counting up from 0, according to step-length 1 carry out
It is incremented by, when count value reaches 2mWhen -1, counted again since 0；
The physical examination card signal receiver increases the mark ID of the physical examination card signal receiver and is connect behind the information received
Between time receiving, new packet is formed, which is sent to background server by gateway.
4. personal identification method when self-service physical examination as claimed in claim 3, which is characterized in that the TDOA localization methods
Include the following steps：
(1) assume that the virtual positioning device of the set includes that three stage bodies that ID number is A, B, C examine card signal receiver, obtain a physical examination card
ID, count value, physical examination card signal receiver ID, physical examination card signal receiver receive the time of information；
(2) assuming that physical examination card signal receiver A, B receive current physical examination and be stuck in time of the information that the same time sends out is respectively
tA、tB, then the time difference that physical examination snaps between device A, B is | tA-tB|；Then physical examination snaps into the distance between device A, B differences and is
|tA-tB|*V；Equally, find out physical examination and snap into the distance between device A, C differences and be | tA-tC|*V；Wherein, V is signal transmission speed
Degree；
(3) using A, B as focus, drawing range difference is | tA-tB| hyp one of * V；Using A, C as focus, range difference is drawn
For | tA-tC| hyp one of * V；Two single hyp intersection points of branch are positioning of the virtual unit to current physical examination card
Position；
(4) step (1)~(3) are repeated, position location of the virtual unit to other physical examination cards is obtained.
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| CN102750527A (en) * | 2012-06-26 | 2012-10-24 | 浙江捷尚视觉科技有限公司 | Long-time stable human face detection and tracking method in bank scene and long-time stable human face detection and tracking device in bank scene |
| CN103476108A (en) * | 2013-07-03 | 2013-12-25 | 北京富迪创业科技有限公司 | Mobile communication terminal positioning method |
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