CN111565331B - Optimization method for wireless transmission of video image data - Google Patents
Optimization method for wireless transmission of video image data Download PDFInfo
- Publication number
- CN111565331B CN111565331B CN202010278394.2A CN202010278394A CN111565331B CN 111565331 B CN111565331 B CN 111565331B CN 202010278394 A CN202010278394 A CN 202010278394A CN 111565331 B CN111565331 B CN 111565331B
- Authority
- CN
- China
- Prior art keywords
- video
- hash value
- segments
- wireless network
- processing module
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005457 optimization Methods 0.000 title abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 31
- 230000011218 segmentation Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 3
- 238000011221 initial treatment Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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]
- H04N21/40—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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
-
- 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
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6181—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via a mobile phone network
-
- 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
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to an optimization method for wirelessly transmitting video image data, and belongs to the technical field of video transmission. The optimization method of the wireless transmission video image data comprises the steps of preparation phase, preliminary processing, video segmentation, video segment integrity detection, video combination, video playing and the like. The invention has the advantages that: the video is divided into a plurality of video segments through the first video processing module, each segment is coded to generate a coding table, each video segment is subjected to Hash value detection to generate a plurality of second Hash values, the generated video segments are transmitted to the second video processing module, the transmitted video segments are detected through the second video processing module, the integrality of the video segments is verified by combining the second Hash values and the coding tables, the transmission efficiency can be improved, the integrality of video transmission can be improved, the optimized transmission of video image data is realized, and the defects of low transmission speed and poor transmission quality in the prior art are overcome.
Description
Technical Field
The invention relates to an optimization method for wirelessly transmitting video image data, and belongs to the technical field of video transmission.
Background
Video production and transmission and display technologies are changing day by day, which improve the appreciation and comfort of videos. The image is clearer and the size of the display unit is bigger and bigger, and the support of high-definition transmission and display is a new development direction. With the improvement and improvement of living standard, more families use high definition video devices (including video receiving devices, sending devices and display devices), and all the devices are transmitted through wires and are bundled in a one-to-one correspondence mode according to certain purposes. If a wireless mechanism is used, the constraint is broken through, and a bridge which can be randomly interconnected among the video devices is established, so that the device resources are more fully utilized, the use convenience of the high-definition video devices can be greatly improved, and more comfort is brought to consumers.
At present, most of the products of wireless video transmission on the market can only transmit video signals with low resolution because of the limitation of wireless bandwidth. Most products such as wireless video transmitters can only support low-rate video formats. There is a need to provide an efficient, transmission quality transmission method.
Disclosure of Invention
The invention aims to provide an optimization method for wirelessly transmitting video image data, which can be used for carrying out segmentation transmission through videos, reducing transmission pressure and improving transmission quality.
In order to achieve the purpose, the invention provides the following technical scheme: an optimization method for wireless transmission of video image data comprises,
a preparation stage: providing a first video storage module, a first video processing module, a second video storage module and a playing module which are connected in sequence;
primary treatment: detecting the hash value of the whole video through a first video processing module to generate a first hash value;
video segmentation: the first video processing module divides a video into a plurality of video segments, encodes each segment to generate an encoding table, and detects the hash value of each video segment to generate a plurality of second hash values;
video transmission: respectively sending the first hash value, the second hash value, the coding table and the video clip to a second video processing module through a wireless network;
video clip integrity detection: detecting the transmitted video segments through a second video processing module, verifying the integrity of the video segments by combining a second hash value and a coding table, and requesting to resend the video segments if the segments are incomplete until all the video segments are determined to be complete segments;
video merging: merging the detected video segments according to the numbers through a second video processing module, then detecting the merged video, judging that the hash value is consistent with the first hash value, and storing the hash value in a second video storage module;
video playing: the playing module extracts the video in the second video storage module for playing.
Further, the method further comprises the steps of detecting the congestion condition and the communication quality of a wireless network path, and selecting an optimal wireless network path to transmit the first hash value, the second hash value, the coding table and the video segment.
Further, the video segmentation includes, for each of the plurality of frames,
acquiring the time length of a video and the size of the video;
segmenting the video according to the time length of the video or the size of the video, and segmenting the video into a plurality of video segments;
the time lengths of the video clips are the same or different, and the sizes of the video clips are the same or different.
Further, the method comprises the steps of encrypting the video, encrypting each single video clip after the video is divided into different clips, sending the encrypted video clips to a second video processing module, and decrypting the encrypted video clips by the second video processing module.
Further, a plurality of wireless network paths are constructed, the congestion condition and the communication quality of each wireless network path are detected, the first hash value, the second hash value, the coding table and the video clip are sorted according to the priority, and data with higher priority are transmitted through the wireless network paths with low delay and good communication quality.
And further, acquiring parameters of a playing module, and transcoding the video according to the acquired parameters to enable the video to be matched with the parameters of the playing module.
Further, the parameters include pixel dot pitch, resolution, scanning frequency, refresh rate, and color gamut.
Furthermore, the second video storage module and the playing module are connected through a signal line.
And further, updating the wireless network path list at regular time, deleting the wireless network paths with congestion and poor communication quality, detecting the packet loss rate of the wireless network paths, and deleting the wireless network paths with the packet loss rate higher than a set threshold value.
Further, the wireless network is one or more of Bluetooth, WiFi, NBIOT, Ethernet, local area network, Internet, and 3G/4G/5G network.
The invention has the beneficial effects that: the invention relates to an optimization method for wirelessly transmitting video image data, which comprises the steps of dividing a video into a plurality of video segments through a first video processing module, encoding each segment to generate an encoding table, detecting a hash value of each video segment to generate a plurality of second hash values, transmitting the generated video segments to a second video processing module, detecting the transmitted video segments through the second video processing module, and verifying the integrity of the video segments by combining the second hash values and the encoding table.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic overall structure diagram of an optimization method for wirelessly transmitting video image data according to the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1, in a preferred embodiment of the present invention, a method for optimizing wireless transmission of video image data includes,
a preparation stage: providing a first video storage module, a first video processing module, a second video storage module and a playing module which are connected in sequence;
primary treatment: detecting the hash value of the whole video through a first video processing module to generate a first hash value;
video segmentation: the first video processing module divides a video into a plurality of video segments, encodes each segment to generate an encoding table, and detects the hash value of each video segment to generate a plurality of second hash values;
video transmission: respectively sending the first hash value, the second hash value, the coding table and the video clip to a second video processing module through a wireless network;
video clip integrity detection: detecting the transmitted video segments through a second video processing module, verifying the integrity of the video segments by combining a second hash value and a coding table, and requesting to resend the video segments if the segments are incomplete until all the video segments are determined to be complete segments;
video merging: merging the detected video segments according to the numbers through a second video processing module, then detecting the merged video, judging that the hash value is consistent with the first hash value, and storing the hash value in a second video storage module;
video playing: the playing module extracts the video in the second video storage module for playing.
In the above embodiment, the method further includes detecting congestion and communication quality of a wireless network path, and selecting an optimal wireless network path to perform transmission of the first hash value, the second hash value, the coding table, and the video segment.
In the above-described embodiment, the video segmentation includes,
acquiring the time length of a video and the size of the video;
segmenting the video according to the time length of the video or the size of the video, and segmenting the video into a plurality of video segments;
the time lengths of the video clips are the same or different, and the sizes of the video clips are the same or different.
In the above embodiment, the method further includes encrypting the video, after the video is divided into different segments, encrypting each individual video segment, and then sending the encrypted video segment to the second video processing module, and decrypting the encrypted video segment by the second video processing module.
In the above embodiment, the method further includes constructing multiple wireless network paths, detecting congestion and communication quality of each wireless network path, and sorting the first hash value, the second hash value, the coding table, and the video segment according to priority, where data with higher priority is transmitted through a wireless network path with good delay and low communication quality.
In the above embodiment, the method further includes acquiring parameters of the playing module, and transcoding the video according to the acquired parameters so that the video is matched with the parameters of the playing module. In practical implementation, the playing module adopts a display, and the display parameters include pixel dot pitch, resolution, scanning frequency, refresh rate and color gamut. The number of the displays is set to be 1 or more, and based on actual needs, it should be noted that the displays and the second video storage module must be connected by signal lines, and the signal lines include but are not limited to DP lines, HDMI, and the like, so as to ensure stable transmission of videos and guarantee playing effects.
In the above embodiment, the method further includes updating the wireless network path list at regular time, deleting the wireless network path with congestion and poor communication quality, detecting the packet loss rate of the wireless network path, and deleting the wireless network path with the packet loss rate higher than the set threshold.
In the above embodiments, the wireless network is one or more of bluetooth, WiFi, NBIOT, ethernet, lan, internet, and 3G/4G/5G network.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A method for optimizing the wireless transmission of video image data, comprising,
a preparation stage: providing a first video storage module, a first video processing module, a second video storage module and a playing module which are connected in sequence;
primary treatment: detecting the hash value of the whole video through a first video processing module to generate a first hash value;
video segmentation: the first video processing module divides a video into a plurality of video segments, encodes each segment to generate an encoding table, and detects the hash value of each video segment to generate a plurality of second hash values;
video transmission: respectively sending the first hash value, the second hash value, the coding table and the video clip to a second video processing module through a wireless network;
video clip integrity detection: detecting the transmitted video segments through a second video processing module, verifying the integrity of the video segments by combining a second hash value and a coding table, and requesting to resend the video segments if the segments are incomplete until all the video segments are determined to be complete segments;
video merging: merging the detected video segments according to the numbers through a second video processing module, then detecting the merged video, judging that the hash value is consistent with the first hash value, and storing the hash value in a second video storage module;
video playing: the playing module extracts the video in the second video storage module for playing;
detecting the congestion condition and the communication quality of a wireless network path, and selecting an optimal wireless network path to transmit the first hash value, the second hash value, the coding table and the video segment;
the method also comprises the steps of encrypting the video, encrypting each single video clip after the video is divided into different clips, then sending the encrypted video clip to a second video processing module, and decrypting the encrypted video clip by the second video processing module.
2. The method of optimizing wireless transmission of video image data according to claim 1, wherein said video segmentation comprises,
acquiring the time length of a video and the size of the video;
segmenting the video according to the time length of the video or the size of the video, and segmenting the video into a plurality of video segments;
the time lengths of the video clips are the same or different, and the sizes of the video clips are the same or different.
3. The method of claim 2, further comprising constructing a plurality of wireless network paths, detecting congestion and communication quality of each wireless network path, and sorting the first hash value, the second hash value, the coding table and the video segment according to priority, wherein data with higher priority is transmitted through a wireless network path with low delay and good communication quality.
4. The method of optimizing wirelessly transmitted video image data as claimed in claim 1, wherein: the method further comprises the steps of obtaining parameters of the playing module, and transcoding the video according to the obtained parameters to enable the video to be matched with the parameters of the playing module.
5. The method of claim 4 for optimizing wirelessly transmitted video image data, wherein: the parameters include pixel dot pitch, resolution, scan frequency, refresh rate, and color gamut.
6. The method for optimizing the wireless transmission of video image data according to claim 1, wherein the second video storage module and the playing module are connected by a signal line.
7. The method according to claim 3, further comprising updating the wireless network path list periodically, deleting wireless network paths with congestion and poor communication quality, detecting packet loss rates of the wireless network paths, and deleting wireless network paths with packet loss rates higher than a set threshold.
8. The method of claim 1, wherein the wireless network is one or more of bluetooth, WiFi, NBIOT, ethernet, local area network, internet, and 3G/4G/5G network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278394.2A CN111565331B (en) | 2020-04-10 | 2020-04-10 | Optimization method for wireless transmission of video image data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278394.2A CN111565331B (en) | 2020-04-10 | 2020-04-10 | Optimization method for wireless transmission of video image data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111565331A CN111565331A (en) | 2020-08-21 |
| CN111565331B true CN111565331B (en) | 2022-05-31 |
Family
ID=72071620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010278394.2A Active CN111565331B (en) | 2020-04-10 | 2020-04-10 | Optimization method for wireless transmission of video image data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111565331B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112422893B (en) * | 2020-10-14 | 2022-06-17 | 重庆恢恢信息技术有限公司 | Internet of things mass data construction site video image processing method |
| CN112422892B (en) * | 2020-10-14 | 2022-08-02 | 重庆恢恢信息技术有限公司 | Working method for image processing through mass building data of Internet of things |
| CN112422894B (en) * | 2020-10-14 | 2022-10-14 | 重庆恢恢信息技术有限公司 | Method for processing construction site video image through cloud platform mass data |
| CN114513683A (en) * | 2022-04-20 | 2022-05-17 | 景网技术有限公司 | Communication test method and device of audio and video transmission system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131718A (en) * | 2006-08-22 | 2008-02-27 | 华为技术有限公司 | Method, equipment and system for validating completeness of protected contents |
| CN102006221A (en) * | 2010-09-30 | 2011-04-06 | 北京交通大学 | Method for optimizing quality of service of stream media |
| CN105959696A (en) * | 2016-04-28 | 2016-09-21 | 成都三零凯天通信实业有限公司 | Video content safety monitoring method based on SIFT characteristic algorithm |
| CN106993054A (en) * | 2017-05-05 | 2017-07-28 | 腾讯科技（深圳）有限公司 | Document distribution method, node and system |
| CN107690074A (en) * | 2016-08-03 | 2018-02-13 | 中国电信股份有限公司 | Video coding and restoring method, audio/video player system and relevant device |
| CN110769380A (en) * | 2019-10-31 | 2020-02-07 | 联想(北京)有限公司 | Video distribution method and device |
| CN110868413A (en) * | 2019-11-12 | 2020-03-06 | 成都索贝数码科技股份有限公司 | Video and audio credible playing method for generating associated abstract based on intra-frame extraction |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9143329B2 (en) * | 2008-01-30 | 2015-09-22 | Adobe Systems Incorporated | Content integrity and incremental security |
| US8386835B2 (en) * | 2010-05-17 | 2013-02-26 | Oracle International Corporation | System and method for end-to-end data integrity in a network file system |
| CN102413313A (en) * | 2010-09-26 | 2012-04-11 | 索尼公司 | Data integrity authentication information generation method and device as well as data integrity authentication method and device |
| CN102420994A (en) * | 2010-09-27 | 2012-04-18 | 索尼公司 | Device and method for protecting integrity of electronic data as well as data monitoring system |
| WO2013163477A1 (en) * | 2012-04-25 | 2013-10-31 | Huawei Technologies Co., Ltd. | Systems and methods for segment integrity and authenticity for adaptive streaming |
| CN103747241A (en) * | 2013-12-23 | 2014-04-23 | 乐视致新电子科技（天津）有限公司 | Method and apparatus for detecting integrity of video |
| CN105550257B (en) * | 2015-12-10 | 2019-05-03 | 杭州当虹科技股份有限公司 | A kind of audio/video fingerprint recognition methods and a kind of tamper resistant systems based on audio/video fingerprint Streaming Media |
| CN109413444A (en) * | 2018-10-30 | 2019-03-01 | 苏州科达科技股份有限公司 | Completeness check data creation method, integrity checking method and the device of video |
-
2020
- 2020-04-10 CN CN202010278394.2A patent/CN111565331B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131718A (en) * | 2006-08-22 | 2008-02-27 | 华为技术有限公司 | Method, equipment and system for validating completeness of protected contents |
| CN102006221A (en) * | 2010-09-30 | 2011-04-06 | 北京交通大学 | Method for optimizing quality of service of stream media |
| CN105959696A (en) * | 2016-04-28 | 2016-09-21 | 成都三零凯天通信实业有限公司 | Video content safety monitoring method based on SIFT characteristic algorithm |
| CN107690074A (en) * | 2016-08-03 | 2018-02-13 | 中国电信股份有限公司 | Video coding and restoring method, audio/video player system and relevant device |
| CN106993054A (en) * | 2017-05-05 | 2017-07-28 | 腾讯科技（深圳）有限公司 | Document distribution method, node and system |
| CN110769380A (en) * | 2019-10-31 | 2020-02-07 | 联想(北京)有限公司 | Video distribution method and device |
| CN110868413A (en) * | 2019-11-12 | 2020-03-06 | 成都索贝数码科技股份有限公司 | Video and audio credible playing method for generating associated abstract based on intra-frame extraction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111565331A (en) | 2020-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111565331B (en) | Optimization method for wireless transmission of video image data | |
| US8788716B2 (en) | Wireless multimedia transport method and apparatus | |
| CN101627633B (en) | Method of transmitting A/V data stream in a source device of wireless network | |
| US8397272B2 (en) | Multi-stream digital display interface | |
| US8345681B2 (en) | Method and system for wireless communication of audio in wireless networks | |
| US20120151537A1 (en) | Method and system for asynchronous and isochronous data transmission in a high speed video network | |
| CN104168438B (en) | Point-by-point corresponding video transmission method is realized based on SDI | |
| CN102291398A (en) | Data compression and decompression method, device and system in wireless communication system | |
| CN102740061A (en) | High-definition optical transceiver and multimedia video digital signal processing method | |
| CN105704418A (en) | Device and method of converting MIPI image signals into LVDS (Low-Voltage Differential Signaling) image signals | |
| US8963996B2 (en) | Communication of stereoscopic three-dimensional (3D) video information including an uncompressed eye view video frames | |
| CN102821303A (en) | Network real-time graded compression and transmission method for pixel-level video information | |
| CN104079859B (en) | Video transmission rate self-adaption system based on feedback mechanism | |
| US20080101409A1 (en) | Packetization | |
| CN105812703B (en) | HDMI video signal is converted into the device and method of LVDS vision signal | |
| US9098674B2 (en) | Data processing apparatus for segmental processing of input data, systems using the apparatus and methods for data transmittal | |
| WO2021155869A1 (en) | Method for improving hdmi display data stream compression and interconnection | |
| WO2013134990A1 (en) | Method and device for sending, receiving and transmitting 3d image data | |
| CN105657315A (en) | Data transmission method and device, and HDMI single cable extender | |
| CN110188855A (en) | Data transmission method and system under a kind of isolation network | |
| WO2023087143A1 (en) | Video transmission method and apparatus | |
| CN110784620A (en) | Equipment data intercommunication method | |
| US11558776B2 (en) | Devices and system for transmitting and receiving compressed bitstream via wireless stream and handling transmission error | |
| Mondal et al. | Bidirectional communication system with screen based transmission and camera based reception of QR encoded information | |
| CN112825499B (en) | QKD system data transmission method and system based on TCP multi-link |
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 |