CN108174209A - A kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside - Google Patents
A kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside Download PDFInfo
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- CN108174209A CN108174209A CN201711435556.3A CN201711435556A CN108174209A CN 108174209 A CN108174209 A CN 108174209A CN 201711435556 A CN201711435556 A CN 201711435556A CN 108174209 A CN108174209 A CN 108174209A
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- packet
- monitor terminal
- monitoring camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/164—Feedback from the receiver or from the transmission channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Environmental & Geological Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of anti-video effect Automatic adjustment methods for escaping system of seeing a doctor outside, include the following steps：Monitoring camera starts WIFI function automatically after starting, and searches for WIFI services, searches and is serviced with WIFI of the same name default SSID, is logged in using the password preset；Monitoring camera is with after monitor terminal successful connection, user is shown to by the video connection of monitoring camera；The distance of monitoring camera acquisition and monitoring in real time, and the heartbeat packet of monitor terminal transmission is received, the heartbeat packet content and distance measurement result are combined into heartbeat time packet is sent to monitor terminal；Monitor terminal adjusts the code distinguishability of real-time video and code check by returning the range data parsed in packet and the turnaround time of heartbeat packet and the time interval of sending time from heartbeat according to preset rules.Advantageous effect of the present invention：According to WIFI intensity (distance) and heartbeat packet network time difference data, the resolution ratio and code check of real-time video are automatically adjusted, adapts to the application of multiple network environment.
Description
Technical field
The invention belongs to see a doctor to prevent escaping technical field outside, prevent escaping regarding for system more particularly, to a kind of see a doctor outside
Yupin effect Automatic adjustment method.
Background technology
As the maturation of WiFi technology is with universal, more and more safety defense monitoring systems realize interconnection mutually by WIFI
Logical, seeing a doctor outside, to prevent escaping system be a system being combined based on coding and decoding video and Intellectual Analysis Technology, the system
Be mainly used in public security prison institute and judicial prison system, personnel under detention is gone out the real time monitoring system that carries out of medical treatment process state
System, the medical treatment monitoring criteria for judicial industry require to provide support.
And most WIFI transmission plans carry out the coding and biography of audio and video all in accordance with the resolution ratio of user setting at present
Defeated, there is no considering the complexity of wireless environment and strength retrogression's problem in transmission process, WIFI transmission processes are can be by
The influence of many factors and the decline for leading to laser propagation effect, even packet loss, disturbing factor have transmission range, air interference
Source, channel quality and barrier quantity etc., to disturb ability weak for the stability sense more anti-than wired mode of WIFI transmission signals.
Invention content
In view of this, the present invention is directed to propose a kind of see a doctor outside prevents the video effect Automatic adjustment method for escaping system,
With the shortcoming to solve the above problems.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside, includes the following steps：
A. monitoring camera starts WIFI function automatically after starting, and searches for WIFI services, searches of the same name with default SSID
WIFI is serviced, and is logged in using the password preset；
B. monitoring camera is with after monitor terminal successful connection, user is shown to by the video connection of monitoring camera；
C. monitoring camera obtains the distance with monitoring in real time, and receives the heartbeat packet of monitor terminal transmission, by the heartbeat packet
Content is combined into heartbeat time packet with distance measurement result and is sent to monitor terminal；
D. when monitor terminal from heartbeat by returning turnaround time and the transmission of the range data that parses and heartbeat packet in packet
Between time interval, adjust the code distinguishability of real-time video and code check according to preset rules.
Further, monitoring camera described in step C obtains the distance with monitoring by RSSI algorithms in real time.
Further, the priority of time interval is higher than range data in preset rules described in step D.
Further, in step D monitor terminal receive heartbeat return packet after first determine whether heartbeat return packet serial number whether with most
The nearly heartbeat packet serial number once sent is consistent, if it is inconsistent, abandoning the heartbeat data and retransmitting heartbeat packet；If even
The continuous 3 times heartbeat packets received are abnormal or overtime, then prompt user network abnormal；If consistent, when obtaining heartbeat packet generation
Between, heartbeat packet sending time and heartbeat packet turnaround time.
Further, step D is according to the code distinguishability and code check of range data and time interval adjustment real-time video
Standard is：If distance is more than 3 meters and time interval is more than 500ms, monitor terminal is adjusted the code check of monitoring camera,
With reference to 1080P not less than 2Mbps, requirements of the 720P not less than 1.5Mbps is adjusted according to each reduction by 20%；If
In the case of 1080P resolution ratio and 2Mbps code checks, distance is more than 5 meters or time interval is still more than 500ms, then monitor terminal
Can be 720P transmission by the resolution adjustment of monitoring camera, if time interval is not still under 720P, the parameter of 1.5Mbps
It meets the requirements, then user can be prompted to carry out network detection.
Relative to the prior art, the anti-video effect Automatic adjustment method tool for escaping system of the present invention of seeing a doctor outside
There is following advantage：
(1) the anti-video effect Automatic adjustment method for escaping system of the present invention of seeing a doctor outside supports that WIFI signal is strong
Degree detects and can be converted into range data, support heartbeat packet network time difference statistical function, at the same according to WIFI intensity (distance) and
Heartbeat packet network time difference data automatically adjusts the resolution ratio and code check of real-time video, ensures the stability of data transmission and reliable
Property, adapt to the application of multiple network environment；
(1) the anti-video effect Automatic adjustment method for escaping system of the present invention of seeing a doctor outside have signal strength and
The display of transmission range, and user is prompted in abnormal cases；
(2) based on WIFI's in the anti-video effect Automatic adjustment method for escaping system of the present invention of seeing a doctor outside
RSSI rangings are a kind of sensu lato rangings, and precision aspect also has certain deficiency, are surveyed with reference to the time difference distance based on heartbeat packet
Examination, ensure that the authentic and valid of range data.
Description of the drawings
The attached drawing for forming the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the anti-video effect Automatic adjustment method flow for escaping system of seeing a doctor outside described in the embodiment of the present invention
Figure.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, a kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside, includes the following steps：
A. monitoring camera starts WIFI function automatically after starting, and searches for WIFI services, searches of the same name with default SSID
WIFI is serviced, and is logged in using the password preset；
B. monitoring camera is with after monitor terminal successful connection, user is shown to by the video connection of monitoring camera；
C. monitoring camera obtains the distance with monitoring in real time, and receives the heartbeat packet of monitor terminal transmission, by the heartbeat packet
Content is combined into heartbeat time packet with distance measurement result and is sent to monitor terminal；
D. when monitor terminal from heartbeat by returning turnaround time and the transmission of the range data that parses and heartbeat packet in packet
Between time interval, adjust the code distinguishability of real-time video and code check according to preset rules.
Monitoring camera described in step C obtains the distance with monitoring by RSSI algorithms in real time.
Information described in step D in heartbeat packet includes heartbeat packet generated time, heartbeat packet sending time, and heartbeat packet is replied
Time.
The priority of time interval is higher than range data in preset rules described in step D.
The detailed process of step D is：Monitoring camera and monitor terminal pass through TCP (transmission control protocol) mode successful connection
Afterwards, monitor terminal can send a heartbeat packet every 2 seconds, and heartbeat packet is mainly (accurate by the system time of current monitor terminal
To millisecond) and from increase heartbeat packet serial number composition, and monitor terminal sends successfully after understand will record the heartbeat packet transmission
Time point (is accurate to millisecond), and the heartbeat of monitor terminal is waited for reply, can be immediately by this after monitor terminal receives heartbeat packet
Heartbeat packet content is combined into heartbeat time packet with RSSI distance measurement results and is sent to monitor terminal, and monitor terminal is receiving heartbeat time packet
First determine whether heartbeat time packet serial number is consistent with the heartbeat packet serial number that the last time sends, and the heart is abandoned if inconsistent afterwards
Hop count evidence simultaneously retransmits heartbeat packet, prompts user network abnormal if the heartbeat packet that continuous 3 times receive is abnormal or overtime, needs
Carry out hand inspection；If it is consistent with the heartbeat packet serial number sent that packet is returned in heartbeat, 3 times can be obtained, i.e. heartbeat packet is given birth to
Into time, heartbeat packet sending time and heartbeat packet turnaround time；Monitor terminal returns in packet from heartbeat and parses range data, and sentence
The turnaround time of disconnected heartbeat packet and the time interval of sending time, monitor terminal pass through the range data and time interval that parse
The code distinguishability and code check of monitoring camera are adjusted.
Step D adjusts the code distinguishability of real-time video according to range data and time interval and the standard of code check is：Such as
Fruit distance is more than 3 meters and time interval is more than 500ms, then monitor terminal is adjusted the code check of monitoring camera, with reference to 1080P
Not less than 2Mbps, requirements of the 720P not less than 1.5Mbps is adjusted according to each reduction by 20%；If it is differentiated in 1080P
In the case of rate and 2Mbps code checks, distance is more than 5 meters or time interval is still more than 500ms, then monitor terminal can will monitor phase
The resolution adjustment of machine be 720P transmission, if under 720P, the parameter of 1.5Mbps time interval be still unsatisfactory for requiring,
User can then be prompted to carry out network detection, avoid user data loss.
The course of work of the present embodiment is as follows：
Monitoring camera acquires vision signal in real time, and vision signal is carried out video recording storage, which can connect automatically
WIFI routers are connected to, monitor terminal can detect whether the monitoring camera is online automatically, the master if online with monitor terminal
What machine was encrypted is reliably connected；After the monitoring camera and monitor terminal are successfully connected, WIFI signal can be detected in real time automatically
Intensity, the distance between monitoring camera and router are judged by signal strength, and establish with monitor terminal network-based
Heartbeat data packets judge current system net by judging that heartbeat data packets are issued to receive monitor terminal and reply time difference of packet
The situation of network, and being automatically adjusted according to two parameters of WIFI intensity and the heartbeat packet time difference to resolution ratio and code stream, prevent because
It is delayed for video caused by network problem, Network Packet Loss realizes the continuity of transmission of video.
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
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (5)
1. a kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside, which is characterized in that include the following steps：
A. monitoring camera starts WIFI function automatically after starting, and searches for WIFI services, searches and WIFI of the same name default SSID
Service, is logged in using the password preset；
B. monitoring camera is with after monitor terminal successful connection, user is shown to by the video connection of monitoring camera；
C. monitoring camera obtains the distance with monitoring in real time, and receives the heartbeat packet of monitor terminal transmission, by the heartbeat packet content
Heartbeat time packet, which is combined into, with distance measurement result is sent to monitor terminal；
D. monitor terminal from heartbeat by returning the turnaround time and sending time of the range data that parses and heartbeat packet in packet
Time interval adjusts the code distinguishability of real-time video and code check according to preset rules.
2. a kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside according to claim 1, feature
It is：Monitoring camera described in step C obtains the distance with monitoring by RSSI algorithms in real time.
3. a kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside according to claim 1, feature
It is：The priority of time interval is higher than range data in preset rules described in step D.
4. a kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside according to claim 1, feature
It is：Monitor terminal first determines whether that heartbeat returns what whether packet serial number sent with the last time after receiving heartbeat and returning packet in step D
Heartbeat packet serial number is consistent, if it is inconsistent, abandoning the heartbeat data and retransmitting heartbeat packet；If it receives for continuous 3 times
Heartbeat packet is abnormal or overtime, then prompts user network abnormal；If consistent, heartbeat packet generated time, heartbeat packet hair are obtained
Send time and heartbeat packet turnaround time.
5. a kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside according to claim 1, feature
It is, step D is according to the preset rules of the code distinguishability and code check of range data and time interval adjustment real-time video：Such as
Fruit distance is more than 3 meters and time interval is more than 500ms, then monitor terminal is adjusted the code check of monitoring camera, with reference to 1080P
Not less than 2Mbps, requirements of the 720P not less than 1.5Mbps is adjusted according to each reduction by 20%；If it is differentiated in 1080P
In the case of rate and 2Mbps code checks, distance is more than 5 meters or time interval is still more than 500ms, then monitor terminal can will monitor phase
The resolution adjustment of machine be 720P transmission, if under 720P, the parameter of 1.5Mbps time interval be still unsatisfactory for requiring,
User can then be prompted to carry out network detection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711435556.3A CN108174209A (en) | 2017-12-26 | 2017-12-26 | A kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside |
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| CN201711435556.3A CN108174209A (en) | 2017-12-26 | 2017-12-26 | A kind of anti-video effect Automatic adjustment method for escaping system of seeing a doctor outside |
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| CN108174209A true CN108174209A (en) | 2018-06-15 |
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Citations (6)
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| KR20120061261A (en) * | 2010-12-03 | 2012-06-13 | 주식회사 케이티 | Server and method for providing image |
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| CN105263066A (en) * | 2014-06-13 | 2016-01-20 | 珠海全志科技股份有限公司 | Mobile equipment video stream transmission control method and system |
| CN205029781U (en) * | 2015-09-23 | 2016-02-10 | 深圳市金力通科技有限公司 | Domestic wireless monitor of WIFI |
| CN106303398A (en) * | 2015-05-12 | 2017-01-04 | 杭州海康威视数字技术股份有限公司 | monitoring method, server, system and image collecting device |
| CN107222781A (en) * | 2017-06-30 | 2017-09-29 | 深圳市九洲电器有限公司 | The method and system of intelligent gateway dynamic translation code check |
-
2017
- 2017-12-26 CN CN201711435556.3A patent/CN108174209A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120061261A (en) * | 2010-12-03 | 2012-06-13 | 주식회사 케이티 | Server and method for providing image |
| CN102547243A (en) * | 2012-01-17 | 2012-07-04 | 西安电子科技大学 | Audio and video remote monitoring method and system based on 3G (the 3rd generation telecommunication) network |
| CN105263066A (en) * | 2014-06-13 | 2016-01-20 | 珠海全志科技股份有限公司 | Mobile equipment video stream transmission control method and system |
| CN106303398A (en) * | 2015-05-12 | 2017-01-04 | 杭州海康威视数字技术股份有限公司 | monitoring method, server, system and image collecting device |
| CN205029781U (en) * | 2015-09-23 | 2016-02-10 | 深圳市金力通科技有限公司 | Domestic wireless monitor of WIFI |
| CN107222781A (en) * | 2017-06-30 | 2017-09-29 | 深圳市九洲电器有限公司 | The method and system of intelligent gateway dynamic translation code check |
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