CN110677626A - Universal audio and video remote transmission system and method for medical imaging equipment - Google Patents
Universal audio and video remote transmission system and method for medical imaging equipment Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 82
- 238000002059 diagnostic imaging Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000004171 remote diagnosis Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
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- 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
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- Endoscopes (AREA)
Abstract
The invention discloses a universal audio and video remote transmission system and a universal audio and video remote transmission method for medical imaging equipment, wherein the universal audio and video remote transmission system for the medical imaging equipment comprises a WiFi (wireless fidelity) image transmission module and a tablet computer; one end of the WiFi image transmission module is connected with the medical imaging equipment through a video signal line, and the other end of the WiFi image transmission module is connected with the tablet personal computer through a WiFi antenna; one end of the tablet personal computer is connected with the WiFi drawing transmission module through a receiving antenna, and the other end of the tablet personal computer is connected with the cloud server through a built-in 4G module or 5G module through wireless signals; the cloud server is in wireless connection with the application terminal. A method of a universal audio and video remote transmission system for medical imaging equipment transmits images of the medical equipment to a cloud server of a tablet personal computer to realize real-time audio and video transmission of the medical imaging equipment. The invention has small volume, few connecting wires and easy carrying, and can be widely applied to the audio and video remote transmission system which is universal for medical imaging equipment.
Description
Technical Field
The invention relates to a remote transmission system and a remote transmission method, in particular to a universal audio and video remote transmission system and a universal audio and video remote transmission method for medical imaging equipment.
Background
At present, the state accelerates the construction of a remote medical system and actively promotes a hierarchical diagnosis and treatment system, but at present, medical imaging equipment basically does not support direct remote transmission, storage and shared retrieval, and is not beneficial to the realization of the remote medical system. The image data volume of the medical equipment is huge, and doctors often need to check continuous real-time dynamic video data during diagnosis, which also brings a problem to the realization of remote medical treatment based on audio and video transmission, and simultaneously, the doctors are very inconvenient to store and look up the important image data.
At present, the following schemes are mainly used for realizing high-quality remote audio and video transmission:
firstly, a high-configuration PC (or an audio and video encoder) with a built-in high-definition acquisition card is connected with medical equipment through a video cable to acquire medical images, and then the medical images are transmitted to a private cloud server through an information system in a hospital to realize the audio and video transmission of remote medical treatment, so that on one hand, the whole set of solution has huge engineering and high input cost, and is not beneficial to popularization and promotion in small and medium hospitals; on the other hand, the matched equipment is large in size, multiple in connecting lines (especially in a scene needing multi-path audio and video transmission, the connection is more complex), the deployment is difficult in the limited diagnosis and treatment space of a hospital, and the remote diagnosis and treatment work is not convenient to be developed in the scenes such as emergency vehicles, outdoor rescue and the like.
Secondly, the medical imaging equipment embeds the Internet of things card into the equipment and directly transmits the image to the cloud server, the solution is simple and applicable, but the internal structure of the medical equipment is changed, the safety and the stability of the whole medical equipment need to be evaluated and demonstrated again, and the period is long; the medical imaging equipment has no universality, and the existing medical imaging equipment in the market can not simply and conveniently realize the remote transmission of audio and video under the condition of not modifying the internal structure of the medical equipment.
An approximate wireless image transmission module is available in the market and comprises a WiFi (wireless fidelity) transmitting module and a receiving module, a transmitting end adopts a power supply mode of a conventional external power supply, external current interferes in the transmission process of medical images, the medical images have high image quality requirements, and the images are unclear due to interference, so that misdiagnosis is easily caused; the number of external wires is large, so that the portable electric torch is inconvenient to carry; the tablet computer needs to be externally connected with a receiving module, and the remote image transmission process is complex.
Fourth, the traditional receiving end is only opened by a mobile phone, a pad or a webpage, a pc computer program is rarely supported, and a remote consultation program and a medical information management program need to be operated under the computer program, so that the traditional mode cannot support remote consultation. At present, the technical application that a PC end module is used for decoding video streams after a WiFi module in a computer receives the video streams is not available, the APP apple system, the APK android system and the webpage are used at a mobile phone end and a PAD in some modes, and the PC end module is not needed in a common application scene.
In summary, most of the existing medical imaging devices cannot directly support remote transmission of audio and video, some medical imaging devices are internally provided with an internet of things module to realize direct remote transmission of medical images, but on one hand, the medical imaging devices are not universal and cannot solve the problem of remote transmission of the images of the medical imaging devices of most other manufacturers, on the other hand, the structures of the medical devices are changed, safety and stability need to be demonstrated again, the period is long, and the required cost is high.
Disclosure of Invention
In order to solve the defects of the technology, the invention provides a universal audio/video remote transmission system and a universal audio/video remote transmission method for medical imaging equipment.
In order to solve the technical problems, the invention adopts the technical scheme that: a general audio and video remote transmission system for medical imaging equipment comprises a WiFi image transmission module and a tablet computer; one end of the WiFi image transmission module is connected with the medical imaging equipment through a video signal line, and the other end of the WiFi image transmission module is connected with the tablet personal computer through a WiFi antenna; one end of the tablet personal computer is connected with the WiFi drawing transmission module through a receiving antenna, and the other end of the tablet personal computer is connected with the cloud server through a built-in 4G module or 5G module through wireless signals; two network cards are arranged in the tablet personal computer, so that the functions of simultaneously receiving and uploading images are met, and the function of online remote consultation is realized; the cloud server is in wireless connection with the application terminal.
A method for a universal audio/video remote transmission system of medical imaging equipment comprises the following steps:
the HDMI video signal output by the medical imaging equipment is connected with the WiFi image transmission module through a video signal line, after video capture is carried out, a data stream with high compression ratio is generated by adopting an H.264 image compression technology and is sent to a decoding end through a WiFi antenna, and the data stream is decoded and restored into high-definition video to be displayed in a window corresponding to a remote consultation module in the tablet personal computer after the data stream is received by the tablet personal computer through a built-in WiFi receiving module; the video signal is sent to the cloud server by a built-in 4G module or a built-in 5G module of the tablet personal computer, and real-time audio and video transmission of the medical imaging equipment is achieved by accessing the cloud server through each application terminal.
Further, the work flow of the WiFi mapping module is: the digital video signals are input through an HDMI interface, are subjected to COFDM modulation after being coded and compressed by H.264, realize a baseband function, are converted into analog signals through a digital-to-analog converter (DAC), are sent to a radio frequency Transmitter (RF Transmitter), and then are amplified through a Power Amplifier (PA) to be sent to a WiFi antenna.
Further, the work flow of the tablet computer is as follows: the built-in WiFi receiving module in the tablet computer receives the data stream of the transmitting end of the WiFi image transmission module, the data stream is decoded and restored into high-definition video through a decoding program in the tablet computer, the high-definition video is displayed in a window corresponding to the remote consultation module in the tablet computer, and the video signal is sent to the cloud server through the built-in 4G module or 5G module of the tablet computer.
Further, the work flow of the remote consultation module is as follows: the tablet computer decodes the data stream received by the WiFi receiving module into a high-definition video, the high-definition video is displayed in a main window of the remote consultation module, an image shot by a rear camera of the tablet computer is displayed in a second window, a picture shot by a front camera is displayed in a third window, other people at the far end are invited to watch the image, and pictures of other people are displayed in a fourth window; pushing the video data stream to a cloud server through a built-in 4G module or a built-in 5G module of the tablet computer; and the remote user accesses the cloud server through a webpage to realize real-time audio and video communication, video storage and video on demand with the user of the portable ultrasonic terminal.
The invention realizes remote audio and video transmission by connecting a light and portable tablet personal computer with external equipment and minimum connecting wires with the medical imaging equipment, is convenient for the development of remote diagnosis and treatment work of the medical imaging equipment, and leads the remote diagnosis and treatment work to be popularized and normalized in all levels of medical institutions. A light WiFi image transmission module is inserted into a video output end of medical imaging equipment produced by any manufacturer, and remote audio and video transmission can be realized by matching with a remote consultation module installed on a tablet personal computer. In addition, the design has small volume, few connecting wires, easy carrying, universality and low cost, the tablet personal computer does not need to be externally connected with a receiving module, the remote image transmission process is simple and convenient, remote consultation is supported, and the method can be widely applied to a universal audio/video remote transmission system of medical imaging equipment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic circuit diagram of a WiFi mapping module.
Fig. 3 is a flowchart of the operation of the WiFi mapping module.
Fig. 4 is a functional block diagram of a tablet computer.
Fig. 5 is an audio/video playing flow chart of the application terminal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The audio and video remote transmission system universal for the medical imaging equipment shown in fig. 1-5 comprises a WiFi image transmission module and a tablet computer; one end of the WiFi image transmission module is connected with the medical imaging equipment through a video signal line, and the other end of the WiFi image transmission module is connected with the tablet personal computer through a WiFi antenna; one end of the tablet personal computer is connected with the WiFi drawing transmission module through a receiving antenna, and the other end of the tablet personal computer is connected with the cloud server through a built-in 4G module or 5G module through wireless signals; two network cards (a receiving antenna and an external network antenna) are arranged in the tablet personal computer, the receiving antenna refers to a built-in WiFi receiving module to realize an image receiving function, the external network antenna refers to a built-in 4G module or 5G module to realize an image uploading function, the simultaneous image receiving function and the image uploading function are met, audio and video remote transmission is realized while audio and video signals are received, and the online remote consultation function is realized; the cloud server is in wireless connection with the application terminal.
The existing medical imaging equipment is provided with WiFi image transmission modules, can be directly connected with a tablet personal computer through WiFi antennas and does not need to be connected through video signal lines; some devices do not have the WiFi image transmission module, so the image transmission function is realized by connecting the devices with the WiFi image transmission module through a video signal line.
A method for a universal audio/video remote transmission system of medical imaging equipment comprises the following steps:
the HDMI video signal output by the medical imaging equipment is connected with the WiFi image transmission module through a video signal line, after video capture is carried out, a data stream with high compression ratio is generated by adopting an H.264 image compression technology and is sent to a decoding end through a WiFi antenna, and the data stream is decoded and restored into high-definition video to be displayed in a window corresponding to a remote consultation module in the tablet personal computer after the data stream is received by the tablet personal computer through a built-in WiFi receiving module; the video signal is sent to the cloud server by a built-in 4G module or a built-in 5G module of the tablet personal computer, and real-time audio and video transmission of the medical imaging equipment is achieved by accessing the cloud server through each application terminal.
The work flow of the WiFi drawing module is as follows: the digital video signals are input through an HDMI interface, are subjected to COFDM modulation after being subjected to H.264 coding compression, realize a baseband function, are converted into analog signals through a digital-to-analog converter DAC, are sent to a radio frequency transmitter RFTransmitter, and then are amplified through a power amplifier PA to be sent to a WiFi antenna. As shown in fig. 3.
The WiFi image transmission module can be used for adaptively inputting a digital video source; providing an OSD interface; providing a control serial port; supporting AES encryption; the power supply voltage is 5.5V-16V, and the current is 350 mA.
The WiFi image transmission module adopts a power supply mode that a rechargeable battery replaces a conventional external power supply, so that the interference of external current to the transmission process of the medical image is reduced, the requirement of the medical image on the image quality is high, and misdiagnosis caused by unclear images due to interference is avoided; and the rechargeable battery is adopted, so that the number of external wires is reduced, and the portable solar battery is convenient to carry.
The working process of the tablet computer is as follows: the built-in WiFi receiving module in the tablet computer receives the data stream of the transmitting end of the WiFi image transmission module, the data stream is decoded and restored into high-definition video through a decoding program in the tablet computer, the high-definition video is displayed in a window corresponding to the remote consultation module in the tablet computer, and the video signal is sent to the cloud server through the built-in 4G module or 5G module of the tablet computer. As shown in fig. 4. By means of the wifi receiving module and the 4G module or the 5G module which are arranged in the tablet personal computer (not limited to the tablet personal computer), audio and video remote transmission is achieved while audio and video signals are received.
The built-in WiFi receiving module of the tablet computer is used for receiving the image, the built-in module of the tablet computer is used for decoding the data stream to replace the original receiving module, and the tablet computer does not need to be externally connected with a receiving module, so that the portability of the whole set of image transmission equipment can be better embodied, and the requirements of remote image transmission in different medical scenes can be better met. Because two network cards are arranged in the tablet personal computer, the tablet personal computer can receive images of medical imaging equipment and can transmit remote images through an external network, and therefore the online remote consultation function is achieved.
The work flow of the remote consultation module is as follows: the tablet computer decodes the data stream received by the WiFi receiving module into a high-definition video, the high-definition video is displayed in a main window of the remote consultation module, an image shot by a rear camera of the tablet computer is displayed in a second window, a picture shot by a front camera is displayed in a third window, other people at the far end are invited to watch the image, and pictures of other people are displayed in a fourth window; pushing the video data stream to a cloud server through a built-in 4G module or a built-in 5G module of the tablet computer; and the remote user accesses the cloud server through a webpage to realize real-time audio and video communication, video storage and video on demand with the user of the portable ultrasonic terminal. The cost of directly connecting a PC computer with a video line is nearly hundreds of times lower, and a medical management software program must be used for the PC computer, so that one connecting line is reduced, and the portability of the product is greatly improved.
The cloud server receives the application terminal instruction, decodes the video and transmits the video to a far end for receiving, restores the video into a high-definition image, and plays and opens the high-definition image to be displayed on the application terminal by using html 5; and the cloud server end receives the instruction and utilizes the audio and video engine to store and process the special codes, so that the on-demand playing on the application terminal is realized. As shown in fig. 5.
Compared with the prior art, the invention has the following advantages:
1) all medical imaging devices or other imaging devices with video output can conveniently realize remote audio and video transmission by using the system;
2) the mode of the WiFi image transmission module replaces the traditional mode that a collection card is connected with medical equipment to obtain medical images, so that the number of medical image video transmission connecting lines is greatly reduced, and the portability of a product is greatly improved;
3) receiving the video stream by using a WiFi receiving module built in the tablet computer, and realizing image transmission of the medical image by using a method of decoding by using a built-in module of the tablet computer; by means of the wifi receiving module and the 4G module or the 5G module which are arranged in the tablet personal computer (not limited to the tablet personal computer), audio and video remote transmission is achieved while audio and video signals are received.
The following problems should be noted during the use of the present invention: because the wireless transmission is adopted, the anti-interference link is required to be done in the medical field, and the stability of image transmission is ensured; according to different medical scenes, the setting of the number of paths of the video source and the display position of the window are determined according to the actual application situation.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.
Claims (5)
1. The utility model provides a general audio frequency and video teletransmission system of medical imaging equipment which characterized in that: the system comprises a WiFi image transmission module and a tablet computer; one end of the WiFi image transmission module is connected with the medical imaging equipment through a video signal line, and the other end of the WiFi image transmission module is connected with the tablet personal computer through a WiFi antenna; one end of the tablet personal computer is connected with the WiFi image transmission module through a receiving antenna, and the other end of the tablet personal computer is in wireless signal connection with the cloud server through a built-in 4G module or 5G module; two network cards are arranged in the tablet personal computer, so that the functions of simultaneously receiving and uploading images are met, and the function of online remote consultation is realized; the cloud server is wirelessly connected with the application terminal.
2. The method of claim 1, wherein the audio-video remote transmission system is used for medical imaging equipment, and comprises the following steps: the working method comprises the following steps:
the HDMI video signal output by the medical equipment image is connected with the WiFi image transmission module through a video signal line, after video capture is carried out, a data stream with high compression ratio is generated by adopting an H.264 image compression technology and is sent to a decoding end through a WiFi antenna, and the data stream is decoded and restored into high-definition video to be displayed in a window corresponding to a remote consultation module in the tablet personal computer after the data stream is received by the tablet personal computer through a built-in WiFi receiving module; the video signal is sent to the cloud server by a built-in 4G module or a built-in 5G module of the tablet personal computer, and real-time audio and video transmission of the medical imaging equipment is achieved by accessing the cloud server through each application terminal.
3. The method of the audio-video remote transmission system universal to the medical imaging equipment as claimed in claim 2, wherein: the work flow of the WiFi drawing module is as follows: the digital video signals are input through an HDMI interface, are subjected to COFDM modulation after being subjected to H.264 coding compression, realize a baseband function, are converted into analog signals through a digital-to-analog converter DAC, are sent to a radio frequency transmitter RFTransmitter, and then are amplified through a power amplifier PA to be sent to a WiFi antenna.
4. The method of the audio-video remote transmission system universal to the medical imaging equipment as claimed in claim 3, wherein: the working process of the tablet personal computer is as follows: the built-in WiFi receiving module in the tablet computer receives the data stream of the transmitting end of the WiFi image transmission module, the data stream is decoded and restored into high-definition video through a decoding program in the tablet computer, the high-definition video is displayed in a window corresponding to the remote consultation module in the tablet computer, and the video signal is sent to the cloud server through the built-in 4G module or 5G module of the tablet computer.
5. The method of the audio-video remote transmission system universal to the medical imaging equipment as claimed in claim 4, wherein: the work flow of the remote consultation module is as follows: the tablet computer decodes the data stream received by the WiFi receiving module into a high-definition video, the high-definition video is displayed in a main window of the remote consultation module, an image shot by a rear camera of the tablet computer is displayed in a second window, a picture shot by a front camera is displayed in a third window, other people at the far end are invited to watch the image, and pictures of other people are displayed in a fourth window; pushing the video data stream to a cloud server through a built-in 4G module or a built-in 5G module of the tablet computer; and the remote user accesses the cloud server through a webpage to realize real-time audio and video communication, video storage and video on demand with the user of the portable ultrasonic terminal.
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| CN111968738A (en) * | 2020-08-10 | 2020-11-20 | 暨南大学 | Remote ultrasonic consultation system based on 5G network transmission and implementation method thereof |
| CN111968738B (en) * | 2020-08-10 | 2024-10-22 | 暨南大学 | Remote ultrasonic consultation system based on 5G network transmission and implementation method thereof |
| CN113438438A (en) * | 2021-05-20 | 2021-09-24 | 北京北创网联科技股份有限公司 | High-definition real-time medical collaboration platform and method thereof |
| CN113438438B (en) * | 2021-05-20 | 2022-08-05 | 北京北创网联科技股份有限公司 | High-definition real-time medical collaboration platform and method thereof |
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Application publication date: 20200110 |