CN107277428A - A kind of real-time method for assessing participant's presence states - Google Patents
A kind of real-time method for assessing participant's presence states Download PDFInfo
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- CN107277428A CN107277428A CN201710444080.3A CN201710444080A CN107277428A CN 107277428 A CN107277428 A CN 107277428A CN 201710444080 A CN201710444080 A CN 201710444080A CN 107277428 A CN107277428 A CN 107277428A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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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
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/103—Static body considered as a whole, e.g. static pedestrian or occupant recognition
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- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides a kind of method for having and assessing effect of meeting in real time, by the video or image that gather meeting-place participant, and video or image are handled and analyzed, to the content detail of video or image according to corresponding standard, participant's meeting effect at dynamic evaluation meeting scene, judge that live notice is concentrated in participant, general and bad real-time scale and specific seat are distributed, the status information of real-time statistics participant, the principal element of influence effect of meeting is grasped in real time, including sitting posture, bad phenomenon, personnel positions, personnel amount etc., the status information of real-time participant is provided to preside over personnel or speaker, meeting quality and effect is greatly improved.
Description
Technical field
The invention belongs to meeting monitoring field, it is related to a kind of real-time method for assessing participant's presence states.
Background technology
Current conference system is generally divided into three types, and one is traditional common conference system, including microphone is made a speech
The composition such as management and control unit；Secondly being intelligent meeting system, mainly include microphone speech management, control unit, turn in unison
The compositions such as unit, video monitoring, speech tracking are translated, some also have electronic voting function；Thirdly for based on the long-range of internet
Conference system, it is divided into videoconference, Web conference, video conference etc.；In addition to including basic conference system, also network
Transmission, sub-venue monitoring, main meeting-place are played, and some are also equipped with multimedia equipment, can realize the functions such as data distribution.
Current conference system is designed around two functions of speech and listening, is aided with electronic voting, is turned in unison
The function such as translate.
On the basis of basic conference system, new improved procedure mainly has three types.The first kind is increase video council
The appraisal procedure of the picture quality of view（Such as：ZL201310055930.2）, meeting figure is strengthened using image segmentation and signature analysis
The focusing effect of picture（Such as：ZL201410349789.1）The face image quality of personnel participating in the meeting is surveyed by image processing techniques
Amount, assesses the mass effect of the system equipment of video conference.Equations of The Second Kind is to increase the use of mobile terminal, extension intelligent meeting system
The function of system（Such as：ZL201310691840.2）Or scale or the centralized management side of conference system are extended by distributed system
Method（ZL200910129579.0）.3rd class is the improvement of the management method of conference system.The synchronization to multihead display having is imitated
The control mode of fruit is improved（Such as：ZL200810032724.9）, it is some to propose new conference system management method（Such as：
ZL200310113933.3,ZL200710003624.9）Deng.
In general meeting occasion, the effect that above-mentioned three classes conference system is used in itself is pretty good, and their major defect is
Can not be to being assessed in real time using the meeting quality after the conference system, that is, the scene of not energetic personnel participating in the meeting is opened
Can effect.Under normal circumstances, original participant should just focus on conscientiously paying attention to the class, in record meeting main points and core
Hold, it is impossible to do the item unrelated with meeting.But in actual meeting, often in the presence of some bad phenomenons, such as doze off, play
Mobile phone, chats in a low voice, reads light readings or sitting posture is indecency etc., causes that the purpose of meeting can not be reached or effect of meeting is had a greatly reduced quality, and opens
Can spirit and core content be content with superficial understanding, have a strong impact on implementing and implementing for conference key agreement after the meeting.
The content of the invention
The purpose of the present invention lacks the defect of real-time evaluation function aiming at existing conference system, proposes a kind of with real
When assess effect of meeting method, participant's meeting effect at dynamic evaluation meeting scene judges in participant scene notice
Concentrate, general and bad real-time scale and specific seat are distributed, the status information of real-time statistics participant grasps influence in real time
The principal element of effect of meeting, including sitting posture, bad phenomenon, personnel positions, personnel amount etc., it is that hosting personnel or speaker carry
For the status information of real-time participant, meeting quality and effect is greatly improved.
The technical scheme that is used to achieve these goals of the present invention is：
A kind of real-time method for assessing participant's presence states, comprises the following steps：
Step one, the video or image in idle meeting-place are gathered；
Step 2, is pre-processed to the video or image gathered in the step one, including image filtering, enhancing, expansion
And corrosion；
Step 3, carries out region division by the pretreated video of the step 2 or image, marks the seat position in meeting-place,
The corresponding informance table of meeting-place position is drawn, the maximum quantity of the participant in meeting-place is calculated；
Step 4, the real-time video in collection meeting scene or image, are located in advance to the real-time video or image of collection
Reason；
Step 5, obtains contour feature, position and the relevant information of time of participant；
Step 6, judges that scene of the participant in meeting-place is attended a meeting state；
On step 7, the corresponding informance table that the status indication of all participants to the step 3 is drawn；
Step 8, repeats step 4 to step 7 according to the time interval of setting, obtains the real-time shape of participant in meeting-place
State information and the number actually attended a meeting；
Step 9, the real time information obtained according to the step 8, according to the change of time, statistics is with display conference participant's
Effective strength, state of attending a meeting, correspondence position and time, make the real time status information table of participant.
Contour feature, position and the relevant information of time that the step 5 obtains participant are completed as follows：
The first step, obtains the horizontal edge of meeting-place inside-fixture body, determines a plurality of vertical line, a plurality of horizontal line and reference dimension；
Second step, obtains the feature of participant's character contour, includes the outline feature of chest shoulder and incidence；Determine chest shoulder
With the center line of incidence, and calculate the angle one of two center lines, at the same calculate incidence center line with described in the first step
The angle two of vertical line, if the incidence center line and vertical line can be translated not in a plane；The angle one
For the clockwise angle of chest shoulder center line to incidence center line, the angle two is the center of vertical line and incidence
The clockwise angle of line；
3rd step, the angle one and angle two calculated according to the second step judges the sitting posture of participant, obtains participant's
Contour feature, position and the relevant information of time；
4th step, the 3rd step is repeated according to the time interval of setting, and repetition judges contour feature, position and the time of participant
Relevant information.
Scene attend a meeting state of the participant in meeting-place is divided into excellent condition, unqualified state and general in the step 6
State.
The state of attending a meeting calibrates standard and is really：The initial value of the angle one be 0 ° to 30 °, the initial value of angle two for-
15 ° to 15 °, the state of attending a meeting of participant is excellent condition；The initial value of the angle one is 100 ° to 180 °, at the beginning of angle two
When initial value is -30 ° to -90 ° or 30 ° to 90 °, the state of attending a meeting of participant is unqualified state；The angle one and angle
Two in above range, and the state of attending a meeting of participant is general state.
The present invention solves problems with：
（1）Solve that current conference system can not realize to the real-time analysis and evaluations of participant's presence states the problem of, improve
The efficiency of conference system.
（2）Solve meeting scene to participant's state can not statistics and analysis the problem of, to meeting sponsor provide one
Individual dynamic participant attends a meeting feedback of status.
Embodiment
The method that the present invention is provided further is illustrated below：
First, the video or image in idle meeting-place are gathered；
Secondly, the video or image of collection are pre-processed, including image filtering, enhancing, expansion and corrosion；
Then, pretreated video or image are subjected to region division, are distributed according to the seat in idle meeting-place, calculated and mark
Remember the seat position in meeting-place, including position No. draws the corresponding informance table of meeting-place position, including meeting-place seat position figure and
Amount of seats, calculates the maximum quantity of the participant in meeting-place；
Then, after meeting starts, the real-time video in collection meeting scene or image, to the real-time video or figure of collection
As being pre-processed；The video or image of independent individual including acquisition participant, the clear individual images for extracting participant
Feature, when brightness is inadequate, can suitably adjust the light in meeting-place as needed, to meet wanting for collection image clearly effect
Ask；The video or image of acquisition are split, the individual volumetric video or image of whole participants is obtained；
Afterwards, by the real-time video in the meeting-place collected or image, contour feature, position and the time of participant are obtained
Relevant information；Its step is：The first step, obtains the horizontal edge of meeting-place inside-fixture body, determines a plurality of vertical line, a plurality of horizontal line
And reference dimension；Second step, obtains the feature of participant's character contour, includes the outline feature of chest shoulder and incidence；
Determine chest shoulder and the center line of incidence, and calculate the angle one of two center lines, at the same calculate incidence center line with
The angle two of vertical line described in the first step, if the incidence center line and vertical line can be translated not in a plane；
The angle one be chest shoulder center line to the clockwise angle of incidence center line, the angle two is vertical line and head
The clockwise angle of the center line of neck；3rd step, the angle one and angle two calculated according to the second step, judges to attend a meeting
The sitting posture of person, to judge the state of attending a meeting of participant；4th step, the 3rd step is repeated according to the time interval of setting, repeats to judge
The sitting posture state of participant.
Again, judge that scene of the participant in meeting-place is attended a meeting state；
Among these, the scene state of attending a meeting of participant is divided into excellent condition, general state and unqualified state；The ginseng of participant
Can state include paying attention to the class notice and concentrate, remember when listening and the state such as reading session file belongs to excellent condition when listening；Attend a meeting
The state of attending a meeting of person includes that good sitting posture of attending a meeting, drowsiness of bowing can not be kept, faces upward head drowsiness, lean to one side to sleep, play mobile phone, chat
Belong to unqualified state Deng other defective modes；Participant's state between excellent condition and unqualified state is general shape
State；
The attend a meeting specific standards of judgement of state of participant are：The initial value of the angle one is 0 ° to 30 °, the initial value of angle two
For -15 ° to 15 °, the state of attending a meeting of participant is the excellent condition；The initial value of the angle one is 100 ° to 180 °, folder
When the initial value at angle two is -30 ° to -90 ° or 30 ° to 90 °, the state of attending a meeting of participant is unqualified state；The angle
One and angle two not in above range, the state of attending a meeting of participant is general state.
Finally, according to the time interval of setting, the participant that the process steps before repeating can just obtain meeting-place is actual
The dynamic evaluation chart of state.
Claims (4)
1. a kind of real-time method for assessing participant's presence states, it is characterised in that：Comprise the following steps：
Step one, the video or image in idle meeting-place are gathered；
Step 2, is pre-processed to the video or image gathered in the step one, including image filtering, enhancing, expansion
And corrosion；
Step 3, carries out region division by the pretreated video of the step 2 or image, marks the seat position in meeting-place,
The corresponding informance table of meeting-place position is drawn, the maximum quantity of the participant in meeting-place is calculated；
Step 4, the real-time video in collection meeting scene or image, are located in advance to the real-time video or image of collection
Reason；
Step 5, obtains contour feature, position and the relevant information of time of participant；
Step 6, judges that scene of the participant in meeting-place is attended a meeting state；
On step 7, the corresponding informance table that the status indication of all participants to the step 3 is drawn；
Step 8, repeats step 4 to step 7 according to the time interval of setting, obtains the real-time shape of participant in meeting-place
State information and the number actually attended a meeting；
Step 9, the real time information obtained according to the step 8, according to the change of time, statistics is with display conference participant's
Effective strength, state of attending a meeting, correspondence position and time, make the real time status information table of participant.
2. a kind of real-time method for assessing participant's presence states according to claim 1, it is characterised in that：The step
Contour feature, position and the relevant information of time of five acquisition participants is completed as follows：
The first step, obtains the horizontal edge of meeting-place inside-fixture body, determines a plurality of vertical line, a plurality of horizontal line and reference dimension；
Second step, obtains the feature of participant's character contour, includes the outline feature of chest shoulder and incidence；Determine chest shoulder
With the center line of incidence, and calculate the angle one of two center lines, at the same calculate incidence center line with described in the first step
The angle two of vertical line, if the incidence center line and vertical line can be translated not in a plane；The angle one
For the clockwise angle of chest shoulder center line to incidence center line, the angle two is the center of vertical line and incidence
The clockwise angle of line；
3rd step, the angle one and angle two calculated according to the second step, judges the sitting posture of participant, to judge participant
State of attending a meeting；
4th step, the 3rd step is repeated according to the time interval of setting, and repetition judges the sitting posture state of participant.
3. a kind of real-time method for assessing participant's presence states according to claim 1, it is characterised in that：Step 6 institute
Scene attend a meeting state of the participant stated in meeting-place is divided into excellent condition, unqualified state and general state.
4. a kind of real-time method for assessing participant's presence states according to claim 2 and 3, it is characterised in that：It is described
State of attending a meeting calibrates standard really：The initial value of the angle one is 0 ° to 30 °, and the initial value of angle two is -15 ° to 15 °, is attended a meeting
The state of attending a meeting of person is the excellent condition；The initial value of the angle one is 100 ° to 180 °, the initial value of angle two for-
At 30 ° Dao -90 ° or 30 ° to 90 °, the state of attending a meeting of participant is unqualified state；The angle one and angle two be not upper
Scope is stated, the state of attending a meeting of participant is general state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710444080.3A CN107277428A (en) | 2017-06-13 | 2017-06-13 | A kind of real-time method for assessing participant's presence states |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109977789A (en) * | 2019-03-04 | 2019-07-05 | 深圳市鸿彩展示器材有限公司 | Roadshow effect evaluation method, device, computer equipment and its storage medium |
| CN112309434A (en) * | 2020-11-10 | 2021-02-02 | 深圳市天彦通信股份有限公司 | Network management method and related equipment |
| CN112560638A (en) * | 2020-12-11 | 2021-03-26 | 上海明略人工智能(集团)有限公司 | Meeting place concentration evaluation method and system based on face recognition and behavior detection |
| CN112766095A (en) * | 2021-01-06 | 2021-05-07 | 安徽商信政通信息技术股份有限公司 | System and method for evaluating input degree of participants |
| CN114484791A (en) * | 2022-01-04 | 2022-05-13 | 青岛海尔空调器有限总公司 | Method and device for adjusting environment, air conditioner and storage medium |
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| CN109977789A (en) * | 2019-03-04 | 2019-07-05 | 深圳市鸿彩展示器材有限公司 | Roadshow effect evaluation method, device, computer equipment and its storage medium |
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| CN112560638A (en) * | 2020-12-11 | 2021-03-26 | 上海明略人工智能(集团)有限公司 | Meeting place concentration evaluation method and system based on face recognition and behavior detection |
| CN112766095A (en) * | 2021-01-06 | 2021-05-07 | 安徽商信政通信息技术股份有限公司 | System and method for evaluating input degree of participants |
| CN112766095B (en) * | 2021-01-06 | 2023-10-31 | 安徽商信政通信息技术股份有限公司 | System and method for evaluating input degree of participants |
| CN114484791A (en) * | 2022-01-04 | 2022-05-13 | 青岛海尔空调器有限总公司 | Method and device for adjusting environment, air conditioner and storage medium |
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Application publication date: 20171020 |