CN111200762B - Watermarking and tracing system and method based on real-time online video sharing and browsing - Google Patents

Watermarking and tracing system and method based on real-time online video sharing and browsing Download PDF

Info

Publication number
CN111200762B
CN111200762B CN201811381289.0A CN201811381289A CN111200762B CN 111200762 B CN111200762 B CN 111200762B CN 201811381289 A CN201811381289 A CN 201811381289A CN 111200762 B CN111200762 B CN 111200762B
Authority
CN
China
Prior art keywords
video
module
processing module
message
signaling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811381289.0A
Other languages
Chinese (zh)
Other versions
CN111200762A (en
Inventor
邵帅
王晓波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hui Shield Information Security Technology Suzhou Ltd By Share Ltd
Original Assignee
Hui Shield Information Security Technology Suzhou Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hui Shield Information Security Technology Suzhou Ltd By Share Ltd filed Critical Hui Shield Information Security Technology Suzhou Ltd By Share Ltd
Priority to CN201811381289.0A priority Critical patent/CN111200762B/en
Publication of CN111200762A publication Critical patent/CN111200762A/en
Application granted granted Critical
Publication of CN111200762B publication Critical patent/CN111200762B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/64322—IP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/6437—Real-time Transport Protocol [RTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark

Abstract

The invention provides a watermarking and tracing system based on real-time online video sharing browsing, which is characterized in that the system runs on a Linux system, when the system is applied to cross-field/cross-department video sharing browsing, video coding and decoding are carried out on video media messages through RTSP/GB \ T28181 signaling message (hereinafter collectively referred to as signaling message) analysis, and the watermarking superposition of online videos is completed through a watermarking two-dimensional code superposition technology, so as to protect shared video data; the system comprises a function configuration module, a database module, a network processing module, a signaling processing module, a video decoding module, a video coding module and a log audit recording module. The system and the method can protect the video data of the existing video sharing scene, do not change the existing sharing system, have comprehensive protection and high safety, play a role in frightening and tracing illegal stealing, and have good user experience.

Description

Watermarking and tracing system and method based on real-time online video sharing and browsing
Technical Field
The invention relates to a watermark and tracing system and a method based on real-time online video sharing and browsing, which are based on cross-field and realize video data protection during sharing and browsing and tracing after shooting leakage by overlapping a watermark and a two-dimension code when a cross-department reads and writes an online video.
Abbreviations and noun explanations:
GB/T28181: safety protection video monitoring network system information transmission, exchange and control technical requirements
RTSP: real Time Streaming Protocol, RFC2326, real Time Streaming Protocol
SDP: SDP is an abbreviation of session description protocol, and is a format that describes initialization parameters of streaming media, which refers to what is seen or heard during transmission, as promulgated by the IETF as RFC 4566.
RTP: the Personal Identification Number is called as the Personal Identification Number of the SIM card of the mobile terminal.
H.264: the highly compressed digital Video codec standard proposed by the Joint Video Team (JVT) consisting of the ITU-T Video Coding Experts Group (VCEG) and the ISO/IEC Moving Picture Experts Group (MPEG) jointly.
H.265: new video coding standards, as laid down by ITU-T VCEG following h.264. The H.265 standard surrounds the existing video coding standard H.264, retains certain original technologies, improves related technologies, and uses advanced technologies to improve the relationship among code stream, coding quality, delay and algorithm complexity to achieve optimal setting.
Socket: two programs on the network exchange data via a bidirectional communication link, one end of which is called a socket.
Linux: a set of Unix-like operating systems free of charge and propagation is a multi-user, multi-task, multi-thread and multi-CPU supporting operating system based on POSIX and UNIX
PS: the general name is Program Stream, PS Stream for short, which belongs to MPEG2 format in DVD Program, and is MPEG2-PS.
MySQL: one of the most popular Relational Database Management systems, mySQL, in WEB applications, is the best RDBMS (Relational Database Management System) application software.
Tomcat: the server is a free Web application server with open source codes, belongs to a lightweight application server, and is generally used in small and medium-sized systems and occasions where concurrent access users are not many.
Background
With the construction of a national video monitoring system and a snow project, the field of video monitoring in China is gradually improved, with the gradual improvement of video monitoring construction, the requirement of video sharing among all the fields of all departments is more and more frequent, sensitive data including police, judicial law and prison data are not available, when the video data are shared by other departments, the behaviors of the retrieval department cannot be controlled, for example, the retrieval department can retrieve and browse the video data in real time and watch the video data on a local PC/large screen, a user can download information data to an access terminal for storage through a legal data downloading function, and the user can record videos by using a local browsing tool; therefore, due to the cross-domain and cross-department video contribution, the caused information leakage event occurs frequently, and the leakage source cannot be effectively traced after the occurrence.
The existing network security protection means (such as VPN, IPSEC Tunnel) can only ensure that the encryption is carried out on the transmission between the retrieval department and the retrieved department, so as to prevent data from being stolen in the transmission process, but once the data enters the network of the retrieval department, the data cannot be protected when being watched and stored on the client of a browser of the retrieval department; a user can steal sensitive video contents on a browsing PC by using a screen capturing/recording tool; sensitive video content may be photographed/videotaped using a cell phone/camera tool.
Moreover, the existing protection means can not control the identity of the retrieval person, and the unauthorized retrieval person can also copy the identity for retrieval, so that the risk of data stealing occurs.
Disclosure of Invention
The invention provides a watermarking and tracing system based on real-time online video sharing browsing, which is applied to cross-field/cross-department video sharing browsing, completes the watermarking superposition of online videos through RTSP/GB \ T28181 signaling message analysis, video coding and decoding and watermarking two-dimensional code superposition technology, protects shared video data, and plays a role in frightening and tracing illegal stealing.
The protection system of the invention protects the video data from the following dimensions
Figure BSA0000174316870000031
Only authorized retrieval persons can perform retrieval operation, access blocking is performed on unauthorized retrieval persons, and video data is protected from being illegally retrieved.
Figure BSA0000174316870000034
For transmission of paging accessH.264 or H.265 video data (hereinafter referred to as video data) is decoded, superposed with a watermark/two-dimensional code and encoded, so that the effects of deterrence and tracing against illegal stealing are achieved.
Figure BSA0000174316870000032
When data is read, after media transmission is established, the video can only be processed by the server->The retrieval person transmits in one way to prevent the retrieval person from filling illegal data into the server.
Fig. 1 is a diagram of an online browsing video data protection system according to the present invention, which includes a function configuration module, a database module, a network processing module, a signaling processing module, a video decoding module, a video encoding module, and a log audit record module.
1. The network processing module is responsible for the following functions:
Figure BSA0000174316870000033
and monitoring network messages passing through the equipment in real time, and acquiring signaling protocol messages conforming to the rules.
Figure BSA0000174316870000041
And sending the message processed by the signaling processing module.
Figure BSA0000174316870000042
And establishing a media message receiving Socket, and receiving a video message sent from the server.
Figure BSA0000174316870000043
And establishing a media message sending Socket, and sending the processed video message to the retrieval party.
Figure BSA0000174316870000044
Will not conform toAnd the IP address of the retrieval rule is sent to a message of the server for blocking.
Figure BSA0000174316870000045
And blocking illegal application protocols and flood attacks.
2. The signaling processing module is responsible for the following functions
Figure BSA0000174316870000046
And receiving the message transferred from the network processing module, and analyzing the message.
Figure BSA0000174316870000047
And recording the media address negotiated in the message aiming at the retrieval processing message, and enabling the destination address of the video sent by the server to be the system equipment address by modifying the message address.
Figure BSA0000174316870000048
And modifying the IP address and the transport layer port in the retrieval response signaling message into a system equipment address, and informing the retrieval party that the system equipment sends a video message to the retrieval party.
3. The video decoding module is responsible for receiving the video message transmitted by the network processing module, analyzing an RTP format, analyzing a PS stream format, decoding H.264 or H.265 video data and finally decoding the video message into a standard video code stream.
4. The video decoding module is responsible for receiving the standard video code stream transmitted by the video processing module, encoding the video code stream into H.264 or H.265 video data, and performing PS (packet switched) stream format encapsulation and RTP (real-time transport protocol) format encapsulation.
5. And the video processing module is responsible for adding watermark/two-dimension code information into the video code stream according to the configuration information stored by the function configuration module, such as font size, font color, watermark content and the like.
6. And the log audit recording module is used for recording logs of legal retrieval and illegal retrieval, can be used as follow-up audit and can trace the source of illegal attack IP.
7. The function configuration module is responsible for the relevant configuration of the functions of the webpage access equipment, such as the configuration of watermark display characters, font size, font color and the like.
8. The database module is responsible for persistently storing the function configuration data, and ensures that the functions can normally run without reconfiguration after the system is restarted.
The invention also provides a watermarking and tracing method for video real-time online shared browsing, which adopts the watermarking and tracing system for video real-time online shared browsing, and each module of the system can be self-started along with the start of a Linux system.
After the system is started, the IP addresses and the transmission layer ports of the calling and reading party and the server need to be configured through the function configuration module, and after configuration is completed, configuration data can be stored in the database module; meanwhile, the network processing module can monitor IP messages passing through equipment on the network in real time, and when the messages meeting the requirements are found, the messages are sent to the signaling processing module; the signaling processing module analyzes the message according to the RTSP/GB \ T28181 protocol, and modifies the IP address and the transmission layer Port describing media transmission in the SDP in the signaling message into the IP address and the transmission layer Port of the system when finding out that a legal retrieval party carries out video retrieval operation; meanwhile, sending an instruction to a network processing module to establish a video transmission forwarding channel; establishing a media decoding and encoding channel for a video decoding and encoding module; and sending an instruction to the video processing module to establish a media processing channel.
When the network processing module receives a video data message from the server, the message is transferred to the video decoding module, the video decoding module transfers video stream data to the video processing module after decoding the video, the video processing module superimposes a watermark/two-dimensional code on the video data and then sends the video data to the video coding module, the video coding module codes the video data and then sends the video data to the network processing module, and the network processing module sends the message to a retrieval party.
The video processing module can superimpose the two-dimensional code and the watermark on the video data according to the configuration data of the function configuration module, and the configurable parameters include the following parameters:
Figure BSA0000174316870000051
two-dimensional code content
Figure BSA0000174316870000052
Two-dimensional code height and width
Figure BSA0000174316870000053
Position of two-dimensional code in image
Figure BSA0000174316870000054
Watermark font color
Figure BSA0000174316870000055
Watermark font size
Figure BSA0000174316870000061
Watermarking display content
Figure BSA0000174316870000062
Location of watermark in image
Figure BSA0000174316870000063
Time interval for adding watermark and two-dimensional code into video stream
The network processing module monitors the signaling IP message sent to the server, and discards the signaling message when finding that the IP address of the retrieval party belongs to an unauthorized address, so as to perform identity control and prevent an unauthorized person from illegally retrieving video data.
The network processing module monitors that an illegal application protocol message is sent to the server, packet loss blocking can be carried out on the illegal application protocol, the server is prevented from being linked by a calling party in an illegal way, videos are stolen, and the application protocols capable of being blocked are ssh, ftp and telnet.
The network processing module can intercept the Flood attack message sent to the server to prevent the server from being attacked and abnormal, and the intercepted messages include Syn Flood, ICMP Flood and port scanning.
The specific implementation mode is as follows:
the system is deployed in a network between a retrieval party and a retrieved party; the operation of the system is described by taking the intercommunication between two video platforms through GB \ T28181 as an example, and the system is usually deployed on a called platform to protect the called platform.
The system is started along with the start of a Linux operating system, and after the system is started, watermark content, a watermark position, a watermark font size, a watermark font color, two-dimension code content, a two-dimension code position, IP addresses of two video platforms and transmission layer ports are configured; the configuration data stores the data in the database module, and ensures that the functions are normally used without reconfiguration after restarting again.
The system network processing module intercommunicates IP addresses and ports through a configured video platform and receives and transmits signaling messages through a network layer configured with a Linux kernel; when a video retrieval signaling request sent by the retrieval platform and a video retrieval response sent by the retrieval platform are obtained, the signaling processing module obtains IP addresses and transport layer ports of video communication of the two video platforms by analyzing and modifying signaling messages, and modifies video information in SDP description in the signaling messages so as to enable the two video platforms to sense that the video messages are received and sent from the system and inform the network processing module to establish a video transmission Socket; when a video message sent by a retrieval platform is received, an H.264/H.265 compressed video stream is decoded into a standard code stream through video decoding, video processing and a video coding module, watermark content is added into a video picture in an overlapping mode through configured watermark position, font color and font size, meanwhile, a two-dimensional code is added into the picture in an overlapping mode through configured two-dimensional code content and two-dimensional code position, then the two-dimensional code is coded into an H.264/H.265 code stream, and the H.264/H.265 code stream is sent to the retrieval platform.
Drawings
FIG. 1 is a schematic diagram of a mobile terminal information security protection system according to the present invention
FIG. 2 shows the transmission format of GB \ T28181 signaling and video
Fig. 3 shows the RTSP signaling and video transmission format according to the present invention.

Claims (7)

1. A watermark and tracing system based on real-time online video sharing browsing is characterized in that the system runs on a Linux system, and when the system is applied to cross-field/cross-department video sharing browsing, the watermark superposition of online videos is completed through RTSP/GB \ T28181 signaling message analysis, video coding and decoding and a watermark two-dimensional code superposition technology, shared video data is protected, and the effects of frightening and tracing illegal stealing are achieved; the system comprises a function configuration module, a database module, a network processing module, a signaling processing module, a video decoding module, a video coding module and a log audit recording module;
the network processing module is responsible for: monitoring network messages passing through equipment in real time, and acquiring signaling protocol messages which accord with rules; sending the message processed by the signaling processing module; establishing a media message receiving Socket, and receiving a video message sent from a server; establishing a media message sending Socket, and sending the processed video message to a retrieval party; the IP address which does not accord with the retrieval rule is sent to the message of the server for blocking; blocking the illegal application protocol and flood attack;
the signaling processing module is responsible for: receiving the message transferred from the network processing module, and analyzing the message; recording a media address negotiated in the message aiming at the retrieval processing message, and enabling a destination address of the video sent by the server to be a system equipment address by modifying the message address; modifying the IP address and the transport layer port in the retrieval response signaling message into a system equipment address, and informing the retrieval party to receive a video message sent from the system equipment;
the video decoding module is responsible for receiving the video message transmitted by the network processing module, analyzing an RTP format, analyzing a PS stream format, decoding H.264 or H.265 video data and finally decoding the video message into a standard video code stream;
the video decoding module is responsible for receiving the standard video code stream transmitted by the video processing module, encoding the video code stream into H.264 or H.265 video data, and performing PS (packet switched) stream format encapsulation and RTP (real-time transport protocol) format encapsulation;
the video processing module is responsible for adding watermark/two-dimensional code information into the video code stream according to the configuration information stored by the function configuration module, such as font size, font color, watermark content and the like;
the log audit recording module is used for recording logs of legal retrieval and illegal retrieval, can be used as follow-up audit and can trace the source of illegal attack IP;
the function configuration module is responsible for the relevant configuration of functions of the webpage access equipment, such as configuration of watermark display characters, font size, font color and the like;
the database module is responsible for persistently storing the function configuration data, and ensures that the functions can normally run without reconfiguration after the system is restarted.
2. The system for watermarking and tracing on the basis of video real-time online shared browsing as recited in claim 1, wherein the system can be automatically started up when a Linux system is started up, and functions are normally used after the Linux system is started up.
3. The watermarking and tracing system based on video real-time online shared browsing of claim 1, wherein the signaling processing module and the video coding and decoding module can analyze and process signaling and media messages in GB \ T28181.
4. The watermarking and tracing system based on video real-time online shared browsing of claim 1, wherein the signaling processing module and the video codec module can parse and process signaling and media messages in RTSP.
5. The watermarking and tracing system based on video real-time online shared browsing of claim 1, wherein the video processing module can type watermarking and two-dimensional code information into the video code stream according to configured text content, color and size.
6. The watermarking and tracing system based on video real-time online shared browsing of claim 1, wherein when the system detects that there is a legal caller to make a video real-time call, a log is recorded; when the system detects that an illegal user conducts video real-time retrieval, a log is recorded; for post audit use.
7. A watermarking and tracing method for video real-time online shared browsing is characterized in that the watermarking and tracing system based on video real-time online shared browsing is adopted according to any one of claims 1-6, and all modules of the system can be self-started along with the start of a Linux system; after the system is started, the IP addresses and the transmission layer ports of the calling and reading party and the server need to be configured through the function configuration module, and after configuration is completed, configuration data can be stored in the database module; meanwhile, the network processing module can monitor IP messages passing through equipment on the network in real time, and when messages meeting requirements are found, the messages are sent to the signaling processing module; the signaling processing module analyzes the message according to the RTSP/GB \ T28181 protocol, and modifies the IP address and the transmission layer Port of media transmission described in the SDP in the signaling message into the IP address and the transmission layer Port of the system when a legal retrieval party is found to perform video retrieval operation; meanwhile, sending an instruction to a network processing module to establish a video transmission forwarding channel; establishing a media decoding and encoding channel for a video decoding and encoding module; sending an instruction to a video processing module to establish a media processing channel; when the network processing module receives a video data message from the server, the message is transferred to the video decoding module, the video decoding module transfers video stream data to the video processing module after decoding the video, the video processing module sends the video data to the video coding module after superposing the watermark/two-dimensional code, the video coding module sends the video data to the network processing module after coding, and the network processing module sends the message to a retrieval party; the video processing module can superimpose the two-dimension code and the watermark on the video data according to the configuration data of the function configuration module, and the configurable parameters comprise the content of the two-dimension code, the height and the width of the two-dimension code, the position of the two-dimension code in an image, the color of a watermark font, the size of the watermark font, the display content of the watermark, the position of the watermark in the image and the time interval of adding the watermark and the two-dimension code into the video stream; the network processing module monitors a signaling IP message sent to the server, and discards the signaling message when finding that the IP address of the retrieval party belongs to an unauthorized address, so as to perform identity control and prevent an unauthorized person from illegally retrieving video data; the network processing module monitors that an illegal application protocol message is sent to the server, packet loss blocking is carried out on the illegal application protocol, the server is prevented from being linked by a calling party in an illegal way, videos are stolen, and the application protocols capable of being blocked are ssh, ftp and telnet; the network processing module can intercept the Flood attack message sent to the server to prevent the server from being attacked and abnormal, and the intercepted messages include Syn Flood, ICMP Flood and port scanning.
CN201811381289.0A 2018-11-20 2018-11-20 Watermarking and tracing system and method based on real-time online video sharing and browsing Active CN111200762B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811381289.0A CN111200762B (en) 2018-11-20 2018-11-20 Watermarking and tracing system and method based on real-time online video sharing and browsing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811381289.0A CN111200762B (en) 2018-11-20 2018-11-20 Watermarking and tracing system and method based on real-time online video sharing and browsing

Publications (2)

Publication Number Publication Date
CN111200762A CN111200762A (en) 2020-05-26
CN111200762B true CN111200762B (en) 2022-10-21

Family

ID=70746143

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811381289.0A Active CN111200762B (en) 2018-11-20 2018-11-20 Watermarking and tracing system and method based on real-time online video sharing and browsing

Country Status (1)

Country Link
CN (1) CN111200762B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114640655A (en) * 2020-12-16 2022-06-17 慧盾信息安全科技(北京)有限公司 Safe video retrieval system and method based on HLS video playing
CN113422775B (en) * 2021-06-23 2022-12-02 重庆紫光华山智安科技有限公司 Data processing method and device, electronic equipment and computer readable storage medium
CN113542289A (en) * 2021-07-21 2021-10-22 中电海康无锡科技有限公司 Method and system for automatically analyzing GB/T28181 protocol

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104917729A (en) * 2014-03-12 2015-09-16 国基电子（上海）有限公司 Network device and method for preventing address resolution protocol message from being attacked
US20170180822A1 (en) * 2015-12-18 2017-06-22 MediaSilo, Inc. Real-Time Watermarking of Video Content
CN106454368B (en) * 2016-10-21 2020-02-18 浙江宇视科技有限公司 Method and device for superposing watermarks in video image
CN107690052B (en) * 2017-08-14 2020-07-28 浙江宇视科技有限公司 Method and device for overlaying watermark on video monitoring image

Also Published As

Publication number Publication date
CN111200762A (en) 2020-05-26

Similar Documents

Publication Publication Date Title
WO2018107729A1 (en) Method and apparatus for image display using privacy masking
CN111200762B (en) Watermarking and tracing system and method based on real-time online video sharing and browsing
CN107277456B (en) Safe video monitoring system based on Android equipment
KR101650002B1 (en) Context based management for secure augmented reality applications
US20060107056A1 (en) Techniques to manage digital media
CN107360393A (en) Utilize the safe intensifiers of the CCTV of hardware security module and its method
CN106982355B (en) A kind of video monitoring system and anti-leak server of anti-image leakage
WO2007128234A1 (en) Method and node for filtering the video stream
KR20120035299A (en) Image protection processing apparatus for privacy protection, and image security system and method using the same
US7774023B2 (en) System and method for associating device information with digital images
CN111294639A (en) System and method for preventing video from being tampered during real-time online sharing and browsing
CN105915842B (en) A kind of password amending method, device and video monitoring system
CN105491232A (en) Built-in virtual SIM card based mobile phone security information protection system and method
CN103020504A (en) Image management system and image management method based on fingerprint identification
CN116527314A (en) Image and video secure transmission method, device, medium and equipment
KR101857716B1 (en) Network Separation Device and Video Surveillance System Employing the Same
KR20160060867A (en) System and method for detecting image modulation of automobile blackbox
CN115243112A (en) Device that surveillance video traced to source
CN105554518A (en) Method and device for controlling video stream transmission
CN102811206A (en) Electronic device used for digital information transmission and processing method of electronic device content
CN107292133A (en) The obfuscation method and device of artificial intelligence
CN105306902A (en) 4G network based end-to-end high-definition video safe transmission system and method
Han et al. The privacy protection framework for biometric information in network based CCTV environment
CN113783305B (en) AR-based power station integrated management method, system and server
CN110996132A (en) Video image splitting, encrypting and transmitting method, device and system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant