CN113382192B - Medical decentralization cloud video system - Google Patents
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1044—Group management mechanisms
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The embodiment of the application discloses a medical decentralizing cloud video system which is applied to a hospital intranet and prohibits communication with an extranet, and the system comprises: the initialization module is used for constructing a self-adaptive peer-to-peer P2P networking mode according to the IP addresses of the self-adaptive peer-to-peer P2P networking mode and the IP addresses of medical terminals distributed in different departments under the same hospital intranet, and acquiring an IP configuration list, wherein the IP configuration list comprises the corresponding relation between the IP addresses and corresponding hospital department personnel; the adding module is used for adding the IP address to be called and the corresponding department personnel information according to the IP configuration list; the deleting module is used for deleting one or more IP addresses and corresponding department personnel information according to the deleting operation instruction; the calling module is used for calling one or more medical terminals corresponding to the IP addresses by the P2P according to the calling operation instruction so as to form group video communication; and the file transmission module is used for transmitting the local file to one or more medical terminals corresponding to the IP addresses by the P2P according to the file transmission instruction.
Description
Technical Field
The application relates to the technical field of communication, in particular to a medical decentralizing cloud video system.
Background
In consideration of extremely high infection risk of medical staff, the medical treatment work of patients can not be unfolded after first-line medical staff falls down, and how to prevent nosocomial infection and medical staff infection is an urgent need to be solved by two-mountain hospitals. Therefore, how to solve the information interconnection and intercommunication of medical care, doctors and patients, in-hospital and out-of-hospital through multiple ways and modes ensures timely and smooth communication, and has important significance for the development of medical treatment and treatment work of two mountain hospitals.
However, in the prior art, a video call system based on a medical intranet needs a central server, that is, a traditional cloud computing service cluster to ensure connection of multiparty calls, and a distributed video conference system often needs an external network to connect. However, an intranet central server cannot be built in a short time under the emergency situation, so how to design the intranet central server to be light, decentralised and easy to use is a problem which needs to be solved by the current medical video system.
Disclosure of Invention
The embodiment of the application provides a medical decentralizing cloud video system, which is used for solving the problem that the prior art cannot adapt to P2P networking to realize decentralizing video call, is simple and easy to use, and is suitable for the user.
The application discloses a medical decentralizing cloud video system, which is applied to a hospital intranet and is forbidden to communicate with an extranet, and the system comprises:
the initialization module is used for constructing a self-adaptive peer-to-peer P2P networking mode according to the IP addresses of the self-adaptive peer-to-peer P2P networking mode and the IP addresses of medical terminals distributed in different departments under the same hospital intranet, and acquiring an IP configuration list, wherein the IP configuration list comprises the corresponding relation between the IP addresses and corresponding hospital department personnel;
the adding module is used for adding the IP address to be called and the corresponding department personnel information according to the IP configuration list;
the deleting module is used for deleting one or more IP addresses and corresponding department personnel information according to the deleting operation instruction;
the calling module is used for calling one or more medical terminals corresponding to the IP addresses by the P2P according to the calling operation instruction so as to form group video communication;
and the file transmission module is used for transmitting the local file to one or more medical terminals corresponding to the IP addresses by the P2P according to the file transmission instruction.
Optionally, the system further comprises:
and the synchronizing module is used for synchronizing the IP configuration list to medical terminals distributed in different departments under the same hospital intranet so as to cover the IP configuration list locally stored by the medical terminals.
Optionally, the system further comprises:
and the emptying module is used for emptying all the IP addresses added by the system and the corresponding department personnel information.
Optionally, the system further comprises:
and the video interaction module is used for providing video chat, text transmission, expression transmission and case demonstration interfaces so as to provide a remote diagnosis function.
Optionally, the call module is further configured to:
video encryption is performed by adopting an I420/VP8 encoding and decoding technology, and a secret key is negotiated by a video participant.
Optionally, the call module is further configured to:
the acquisition of the device information and the video data of the enumerated videos is realized by adopting a dshow technology.
Optionally, the initializing module constructs an adaptive peer-to-peer P2P networking manner, including:
and carrying out network connection by adopting RTP/RTCP technology, and carrying out intra-domain networking based on different IP addresses.
Optionally, the call module is further configured to:
a jitter buffer and a packet loss compensation NetEQ interface are provided to reduce voice delay.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described.
Fig. 1 is a network architecture of a cloud video in the prior art.
FIG. 2 is a schematic diagram of a traditional Chinese medicine decentralizing cloud video system structure in one embodiment.
FIG. 3 is a diagram of an exemplary functional interface for a traditional Chinese medicine decentralised cloud video system;
FIG. 4 is a diagram of an exemplary call function interface for a pharmaceutical decentralized cloud video system;
FIG. 5 is a diagram of a video interaction interface of a traditional Chinese medicine decentralizing cloud video system in one embodiment;
FIG. 6 is a diagram of an exemplary embodiment of a file transfer function interface for a pharmaceutical decentralized cloud video system.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".
Fig. 1 is a schematic diagram of a centralized remote diagnosis system in the prior art, as shown in fig. 1, the server side, the remote expert side, and the local medical terminal are connected through a private network, that is, multi-terminal connection is performed through a central server. The system is convenient to manage, relatively stable, high in cost and difficult to build successfully in a plurality of emergency hospitals in a short time, so that the prior art is difficult to build in a short time under special conditions such as a new crown epidemic situation.
Aiming at the problems existing in the prior art, the embodiment of the application provides a medical decentralizing cloud video system which is used as a point-to-point distributed video call architecture and can be realized only by a hospital intranet (hereinafter referred to as an intra-hospital intranet) without an external network.
As shown in fig. 2, the medical decentralizing cloud video system 200 provided by the embodiment of the application is applied to an intranet in a hospital and is prohibited from communicating with an extranet, and includes:
the initialization module 210 is configured to construct a self-adaptive peer-to-peer P2P networking mode according to the self-IP address and the IP addresses of medical terminals distributed in different departments under the same hospital intranet, and obtain an IP configuration list, where the IP configuration list includes a correspondence between the IP addresses and corresponding hospital department personnel;
the initialization module constructs a self-adaptive peer-to-peer P2P networking mode, which specifically can be:
and carrying out network connection by adopting RTP/RTCP technology, and carrying out intra-domain networking based on different IP addresses.
Specifically, the RTP/RTCP mode is adopted for network connection. The method comprises the following steps:
the system 200 sends a broadcast message to all other medical terminals in the hospital intranet, where the broadcast message carries its own IP address and network connection port, and maximum connection number information, and it should be noted that, unlike the conventional IP networking manner, the maximum connection number that is dynamically adjusted is directly related to its own resource occupancy line, for example, the current resource occupancy is 85%, the maximum connection number is X, and if the current resource occupancy is adjusted to 90%, the maximum connection number is adjusted to X-2, i.e., the number of connections is dynamically adaptively adjusted according to the resource utilization. The medical terminal is prevented from being blocked, dead or down, and is extremely important in the medical terminal on the premise of stability;
after the other terminals receive the IP address, send a response message (including their own IP address, port information and the remaining maximum number of connections) to the system 200, (it should be noted that, if the resource occupancy rate of any final draft exceeds 100%, the system 200 is not allowed to send the response message), all the information is saved, and a message receiving success response is sent to each medical terminal, at this time, handshake connection is established successfully;
the system 200 establishes a corresponding relation table of the IP addresses and the maximum connection numbers, if a plurality of IP addresses are required to be connected with corresponding medical terminals in a video mode, whether the residual maximum connection numbers of the medical terminals meet a preset threshold value needs to be determined, if one medical terminal exceeds the preset threshold value, video connection with the opposite medical terminal is failed, and therefore other medical related operations of enough resources of the opposite medical terminal are guaranteed;
the system 200 initiates a video connection establishment operation, and sends a video connection request to one or more medical terminals corresponding to the IP according to the IP address to establish a video call. If the maximum connection number of one terminal exceeds the threshold value, the connection fails and the video connection is automatically exited.
In the embodiment of the present application, the initialization module 210 constructs a peer-to-peer P2P networking mode, and needs no participation of a central server, and can be networked only by knowing the IP addresses of a plurality of medical terminals, which is easy to operate, easy to configure, simple and efficient, and can be applied to emergency situations in which a centralized server cannot be installed in an emergency period.
The medical terminal may be a personal computer PC, a mobile phone, a tablet computer, or other mobile terminals, or may be various medical devices with network functions, including a camera and an audio interface, and an operating system, which is not limited in the embodiment of the present application. By adopting the distributed point-to-point mode provided by the embodiment of the application, the terminal communication can be realized by only confirming IP interaction without a central server, and if aiming at special situations, for example, private network crossing is needed, connection can be performed through an ICE server.
In addition, in order to facilitate the demand of HITs, the cloud video in the hospital additionally provides an http interface for the HITs team in the hospital, and the HITs team is called according to the demand.
Optionally, the initialization module may flexibly schedule the maximum number of video connections according to different network resources, and if the current network resource occupancy rate is high (e.g. more than 85%), the maximum number of video connections is correspondingly adjusted down, that is, the number of video terminals that can only be connected at the same time at most.
An adding module 220, configured to add an IP address to be called and corresponding department personnel information according to the IP configuration list;
the adding module 220 may add the IP address of the calling party and the department and personnel information to the saved list and display to the healthcare personnel. As shown in fig. 3, the user of the corresponding medical terminal can be paged to the "ultrasonic trunk" according to the IP address and the corresponding department, and as can be seen from the figure, different medical staff of different departments (departments) can be added in turn, and the number is not limited.
A deleting module 230, configured to delete one or more IP addresses and corresponding department personnel information according to the deleting operation instruction;
the deleting module corresponds to the adding module, the corresponding list is clicked, and the IP address and the corresponding department personnel information can be deleted by clicking the deleting button.
A calling module 240, configured to call, according to the call operation instruction, the medical terminal corresponding to one or more IP addresses by using P2P to form group video communication;
with the corresponding IP address, the calling module may perform a paging operation for one or more IP addresses to form a group video communication. As shown in fig. 4, after the IP address of "the ultrasound plum owner" is added, the information in the list is clicked, and the "call button" is clicked, so that the system end is connected to the medical terminal corresponding to "192.168.0.133" point-to-point as the service provider (without a central server).
In the communication process, in order to ensure the security of data transmission, the embodiment of the application adopts an I420/VP8 encoding and decoding technology to encrypt the video, and the secret key is negotiated by a video participant.
In addition, the calling module 240 also uses dshow technology to collect device information and video data for enumerating videos. In the audio codec section, however, the iLIBC/iSAC/G722/PCM16/RED/AVT codec technique is employed.
Optionally, the call module is further configured to: the jitter buffer and the packet loss compensation NetEQ interface are provided, the tone quality is improved, the voice delay is reduced, and the voice mixing processing based on the voice conference can be realized. In addition, the calling module also provides recording operation, supports recording files locally, and alternatively, the format can be PCM/WAV format. For sound quality, the functions of echo cancellation (AEC), AECM (AEC Mobile), automatic Gain (AGC), noise reduction (NS), silence detection (VAD) and the like can be used to improve sound quality. And ensures that the delay of audio and video is controlled at 0.03 seconds.
The file transmission module 250 is configured to transmit the local file to the medical terminal corresponding to one or more IP addresses according to the file transmission instruction by using P2P. As shown in fig. 6, in the video communication process or after the video communication process is finished, clicking a file page to enter a file sending interface, and the sent file needs to be successfully sent after being received by the other party.
Optionally, the system further comprises:
and the synchronization module 260 is configured to synchronize the IP configuration list to medical terminals distributed in different departments under the same hospital intranet, so as to cover the IP configuration list locally stored in the medical terminals.
Optionally, the system further comprises:
and the emptying module 270 is used for emptying all the IP addresses and corresponding department personnel information added by the system.
Optionally, the system further comprises:
video interaction module 280 (not shown in fig. 2) is used to provide video chat, text transmission, expression transmission, and case presentation interfaces to provide remote diagnostic functionality. As shown in fig. 5, a video interaction page is entered, the page can perform video chat, text transmission, expression and file chat, the transmitted file can be successfully transmitted after being received by the opposite party, and the situations of a computer desktop of the opposite party, a patient of the owner demonstration, and the like can be remotely seen. In addition, the right click video interface pops up a prompt box, and can selectively change page layout, refresh the other party, display side bars and switch video sources. The button in the upper right corner may view the remote desktop control size and may set the sound of the video to mute.
In addition, the system can also assist in the communication of medical resource use conditions among departments, and coordinate and communicate medical resources required by the departments; the medical staff is assisted to check, get medicine and execute the medical advice, and the implementation of the diagnosis and treatment scheme is realized. For example, the saturation of medical supplies (masks, protective clothing, goggles), medical beds and medical staff is recorded, other EPR systems of hospitals can be accessed to acquire real-time data if necessary, corresponding medical resources can be dynamically allocated/increased or decreased after the data are acquired, the increase and decrease of the medical resources are synchronously recorded, and early warning and other operations are performed when the resources are insufficient.
In one embodiment, the in-hospital Yun Shixun is based on a cloud computing technology and an IP synchronization technology, and a P2P video channel is built in an in-hospital network, so that the original telephone function of a department can be replaced, functions such as video call, voice call, text communication, file sending and the like similar to WeChat are realized, and interaction with experts outside the hospital can be authorized and performed as required in an outside-hospital VPN environment.
In another embodiment provided by the present application, the system further comprises a processor, an input device, an output device, and a memory. The input device, the output device, the memory and the processor are connected with each other through buses.
The memory includes, but is not limited to, random access memory (random access memory, RAM), read-only memory (ROM), erasable programmable read-only memory (erasable programmable read only memory, EPROM), or portable read-only memory (compact disc read to only memory, CD to ROM) for the associated instructions and data.
The input means is for inputting data and/or signals and the output means is for outputting data and/or signals. The output device and the input device may be separate devices or may be a single device.
A processor may include one or more processors, including for example one or more central processing units (central processing unit, CPU), which in the case of a CPU may be a single core CPU or a multi-core CPU. The processor may also include one or more special purpose processors, which may include GPUs, FPGAs, etc., for acceleration processing.
The memory is used to store program codes and data for the network device.
The processor is used to call the program code and data in the memory to perform the steps of the method embodiments described above. Reference may be made specifically to the description of the method embodiments, and no further description is given here.
It will be appreciated that figure 2 shows only a simplified design of the system. In practical applications, the system may also include other necessary elements, including but not limited to any number of input/output devices, processors, controllers, memories, etc., and all systems that can implement the embodiments of the present application are within the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the division of the unit is merely a logic function division, and there may be another division manner when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted or not performed. The coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, produces a flow or function in accordance with embodiments of the application, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted across a computer-readable storage medium. The computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a read-only memory (ROM), or a random-access memory (random access memory, RAM), or a magnetic medium such as a floppy disk, a hard disk, a magnetic tape, a magnetic disk, or an optical medium such as a digital versatile disk (digital versatile disc, DVD), or a semiconductor medium such as a Solid State Disk (SSD), or the like.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any equivalent modifications or substitutions will be apparent to those skilled in the art within the scope of the present application, and are intended to be included within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (1)
1. A medical de-centralized cloud video system for use in a hospital intranet and for disabling communication with an extranet, the system comprising: the initialization module is used for constructing a self-adaptive peer-to-peer P2P networking mode according to the IP addresses of the self-adaptive peer-to-peer P2P networking mode and the IP addresses of medical terminals distributed in different departments under the same hospital intranet, and acquiring an IP configuration list, wherein the IP configuration list comprises the corresponding relation between the IP addresses and corresponding hospital department personnel; the adding module is used for adding the IP address to be called and the corresponding department personnel information according to the IP configuration list; the deleting module is used for deleting one or more IP addresses and corresponding department personnel information according to the deleting operation instruction; the calling module is used for calling one or more medical terminals corresponding to the IP addresses by the P2P according to the calling operation instruction so as to form group video communication; the system comprises a file transmission module, a P2P (peer-to-peer) module and a medical terminal, wherein the file transmission module is used for transmitting a local file to one or more medical terminals corresponding to IP addresses according to a file transmission instruction, and the system further comprises: the system comprises a synchronizing module, a clearing module and a processing module, wherein the synchronizing module is used for synchronizing the IP configuration list to medical terminals distributed in different departments under the same hospital intranet so as to cover the IP configuration list locally stored by the medical terminals, and the clearing module is used for clearing all IP addresses added by the system and corresponding department personnel information;
the video interaction module is used for providing video chat, text transmission, expression transmission and case demonstration interfaces so as to provide a remote diagnosis function;
wherein, the calling module is further used for: video encryption is carried out by adopting an I420/VP8 encoding and decoding technology, a secret key is negotiated by a video participant, acquisition of equipment information and video data for enumerating videos is realized by adopting a dshow technology, a jitter buffer and a packet loss compensation NetEQ interface are provided, and voice delay is reduced;
the initialization module constructs a self-adaptive point-to-point P2P networking mode, and the method comprises the following steps: network connection is carried out by adopting RTP/RTCP technology, and intra-domain networking is carried out based on different IP addresses;
the RTP/RTCP technology is adopted to connect networks and carry out intra-domain networking based on different IP addresses, and the method comprises the following steps:
sending a broadcast message to all other medical terminals in the hospital intranet, wherein the broadcast message carries own IP address and network connection port and maximum connection number information, the maximum connection number is dynamically adjustable, and the dynamically adjusted maximum connection number is positively related to own resource occupancy rate line;
after the other terminals receive the IP address, sending a response message to the system, and the system fully stores the information and sends a message successful receiving response to each medical terminal, wherein the handshake connection is established successfully; the response message comprises an own IP address, port information and the remaining maximum connection number;
setting up a corresponding relation table of IP addresses and maximum connection numbers, if a plurality of IP addresses are required to be connected with corresponding medical terminals in a video mode, determining whether the residual maximum connection numbers of the medical terminals meet a preset threshold value or not, and if one medical terminal exceeds the preset threshold value, failing to initiate video connection with the opposite medical terminal so as to ensure that the opposite medical terminal has enough resources to perform other medical related operations;
the system initiates a video connection establishment operation, and sends a video connection request to one or more medical terminals corresponding to the IP according to the IP address so as to establish a video call; if the maximum connection number of one terminal exceeds the threshold value, the connection fails and the video connection is automatically exited.
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