54 results about "Wireless video" patented technology

Provided in the embodiments of the present disclosure is a video transmission device. In the video transmission device, a video transceiving unit has two functions of receiving a video and sending a video, and a wireless communication unit can implement transceiving of video data in a wireless manner, such that the video transmission device can be multipurpose, i.e., the video transmission device can be used as both a wireless video-transmission transmitting device and a wireless video-transmission receiving device, so as to adapt to different scenarios. In addition, the video transmission device can further be integrated with a display unit, allowing the video transmission device to function as a monitor regardless of whether same is used as the transmitting device or the receiving device, thereby facilitating a user in watching, anytime and anywhere, a video that is sent or received by the video transmission device, which is highly flexible and convenient.

The invention discloses a low-delay wireless screen projection dynamic spectrum allocation method based on a star flash technology, and relates to the technical field of wireless video transmission. According to the low-time-delay wireless screen projection dynamic spectrum allocation method based on the star flash technology, when wireless screen projection is carried out on a video, communication interference data of multiple candidate frequency bands are input into a pre-training reinforcement learning model in real time to be analyzed to obtain a predicted transmission benefit index, and an optimal frequency band is selected as a current screen projection frequency band; according to the invention, the Polar code coding processing is executed based on the coding regulation and control index to obtain the coding data volume value, and the dynamic wireless transmission of the image data is completed in combination with the star flash protocol stack, so that the dynamic wireless transmission of the image data is realized, and the coding regulation and control index is generated based on the combination of the prediction transmission benefit index and the analysis result. Therefore, the stability of the high-complexity frame in the transmission process is remarkably improved, and the transmission efficiency and the presentation quality of the high-resolution video in the dynamic spectrum environment are improved.

Wireless video doorbell kit

The utility model relates to the technical field of communication, and discloses a multi-mode wireless video return device, comprising a housing, a transmission assembly fixedly connected to the outside of the housing and used for returning video data, four connecting shafts detachably connected to the bottom of the housing, and rotating balls rotatably connected to the bottoms of the four connecting shafts. The bottom of the rotating ball is fixedly connected with a supporting shaft, the outer portion of the supporting shaft is slidably connected with a plurality of sliding shafts, the rotating ball is fixedly connected to the bottom of the supporting shaft, and the bottom of the rotating ball is rotatably connected with a fixing seat. According to the device, when a device fixing environment vibrates, the fixing base is fixed in the environment and moves along with the environment, due to the existence of the rotating ball, the rotating ball and the supporting shaft connected with the rotating ball can rotate in a self-adaptive mode when the fixing base moves, and it is guaranteed that the device does not incline after the supporting shaft rotates through the multiple sliding shafts; therefore, the shock insulation effect is achieved.

A video laryngoscope system in which a video laryngoscope is automatically connected to one or more medical devices within a patient environment. The video laryngoscope may automatically perform an unfamiliar wireless connection process for each of a plurality of external devices at startup and without further user input to establish a wireless connection to each of the plurality of external devices. The video laryngoscope may then transmit images captured by the video laryngoscope camera to the plurality of external devices via the established wireless connection.

1. The name of the design product: wireless video pile. 2. The use of the design product: video pile for parking fee monitoring. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention discloses a wireless low-latency video receiver line block compression and linked recovery system, belonging to the field of wireless video transmission and display technology. After decoding at the receiver, the system performs line block-level visual lossless compression and storage of the image, replacing traditional whole-frame storage. The display side reads the compressed line blocks on demand, decompresses them, and stores them in a small-capacity display buffer. Combining innovative technologies such as adaptive line block compression strategies, intelligent prefetching mechanisms, multi-level error detection, dynamic buffer management, and frame rate linkage control, the system significantly reduces display latency and improves its recovery capability and display smoothness under wireless channel interference. While ensuring visual losslessness, it can reduce display latency by more than 50% and storage bandwidth requirements by more than 65%, making it suitable for latency-sensitive applications such as wireless projection, remote control, and video conferencing.

The invention relates to the field of video conferences, in particular to a wireless video conference system, which identifies the current class state of each student in a wireless video network class in real time by introducing an image identification technology, and judges whether the students have illegal attendance behaviors or not according to the identified class state result. The five violation coefficients are dynamically adjusted through violation attendance behaviors, the attendance management score of each student on the day is managed more reasonably, a comprehensive attendance module is combined to record the historical violation behaviors of the students, and the attendance management score of the students on the day is comprehensively calculated through the historical violation attendance behavior records of the students and the comprehensive calculation of the attendance management score on the day. And the attendance of the student on that day can be scored more scientifically and in a humanized manner.

The invention relates to the technical field of virtual reality, in particular to a wireless video streaming system for multiple virtual reality devices in a fixed space, which comprises at least one VR service terminal used for coding virtual reality content and transmitting video streams to multiple customer experience terminals through a fixed bit rate by using a UDP protocol; the plurality of customer experience terminals are used for receiving the video streams and decoding and displaying the video streams; the network middle layer comprises at least one gateway router and a plurality of access points (AP), the gateway router is used for distributing static IP addresses and controlling the bandwidth of each terminal, and the APs are used for being connected with the customer experience terminal and carrying out load balancing. And the user experience and the system performance in a multi-device concurrent environment are obviously improved.

The invention relates to a video monitoring method and system for intelligent parking wireless video equipment, and the method comprises the following steps: collecting a parking space image of a parking space region, and detecting whether the parking space image has license plate information attached to a vehicle or not; if yes, character and color recognition is carried out on the license plate information, and a license plate color number is obtained; if not, determining a parking space scene state of the parking space area based on the parking space image; and synchronizing to a parking management cloud platform based on the license plate color number or the parking space scene state, so that the management platform performs order charging management and parking space resource scheduling, and the technical problem of difficulty in urban parking is solved.

The application relates to the technical field of video equipment detection, and discloses an abnormality monitoring method and system for a wireless video equipment of intelligent parking, which collects monitoring data of a plurality of monitoring sources, integrates the monitoring data to generate multi-source monitoring data, performs preliminary fault analysis on the multi-source monitoring data based on a local terminal to obtain preliminary analysis information, uploads the multi-source monitoring data to a cloud platform to comprehensively analyze and infer the multi-source monitoring data, obtains deep analysis information, extracts abnormal event information from the preliminary analysis information and the deep analysis information, and executes corresponding management actions according to the abnormal event information.

The invention discloses wireless video and audio communication equipment, which belongs to the technical field of video and audio communication and comprises a communication equipment main body, a storage groove is formed in the top end of the communication equipment main body, a display screen is arranged in the storage groove, a clamping frame is arranged at the bottom of the display screen, and sliding blocks are arranged on two sides outside the bottom end of the display screen. Lifting grooves are formed in the two sides of the storage groove, jacking springs are arranged in the lifting grooves, a movable groove is formed in the bottom of the storage groove, the bottom of the movable groove communicates with a driving groove, a threaded rod is arranged in the driving groove, a threaded sleeve is arranged on the periphery of the threaded rod, an extension plate is arranged on the top of the threaded sleeve, and a clamping block is arranged in a contraction groove in the top end of the extension plate; according to the communication equipment, the storage groove is formed in one side of the top end of the communication equipment main body, and the clamping frame is matched with the clamping block capable of being driven from the outside, so that the stable storage function of the display screen is realized, and the display screen can be conveniently used at any time while the display screen is stored and protected.

The application relates to a video data encryption method and system of a smart parking wireless video device, which comprises the following steps: frame extraction and structured processing are performed on collected parking site videos to obtain structured plaintext data, a video signature string is obtained by string splicing of the structured plaintext data based on a preset device-specific key; MD5 hash operation is performed on the video signature string to obtain parking data signature; the structured plaintext data and the parking data signature are combined and encrypted in a JSON format to obtain parking data encryption messages; and the parking data encryption messages are sent to a server through an HTTPS protocol to complete video data encryption transmission, thereby solving the technical problem of data transmission safety risks in traditional modes.

The invention provides a high-definition wireless video stream data compression method based on a self-adaptive code rate, which aims at a scene that a wireless client cannot acquire a physical layer channel state and does not have cooperation of a server, and carries out gear selection on a fragment boundary only according to fragment downloading time consumption and a buffer margin. According to the method, a gear correction time-consuming residual error is introduced as a de-confusion discrimination amount, a tolerance threshold value and a separation threshold value are generated in combination with a buffer state, an interval drop point is determined, and the space between the two threshold values is defined as a residual error fuzzy region; and maintaining a continuous fuzzy count and an ambiguity level in the interval, updating a locking level when the evidence is insufficient, and gating a target code rate gear to jump up. And the fragmentation boundary gating state structure is used for uniformly bearing discrimination quantity, threshold value, interval and locking state information, so that false downshift and premature upshift are inhibited, gear fluctuation is reduced, and gear selection stability is improved.

1. The name of the design product: wireless video intelligent parking sensor (wireless wiper solar video pile S1). 2. The use of the design product: for parking sensor. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The application discloses a low-delay video encoding and sending control method, and belongs to the field of video encoding control and wireless data sending scheduling. The method receives line-by-line video data and writes the video data into a line buffer; the number of written lines is counted, and when reaching a preset threshold, video encoding is triggered, without waiting for the completion of the whole frame reception; in the encoding process, data is output according to the encoding segmentation granularity, and a sending trigger signal is generated when each segment is completed, and the corresponding encoding data is sent to a wireless sending queue. Through the double-layer trigger mechanism, parallel pipeline operation of video input, encoding processing and data sending is realized. The preset threshold can be dynamically adjusted according to factors such as video resolution, frame rate, network bandwidth and target delay. The method reduces the encoding start time from the frame level to the line level, eliminates the frame end waiting time, reduces the overall system delay, and can meet the ultra-low delay application requirement in the wireless video transmission scene.

1. Name of the designed product: photographic equipment. 2. Use of the designed product: for cameras, video cameras, outdoor video cameras, security video cameras, wireless video security cameras or video recording cameras. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design.

1. The name of the design product: HDMI wireless video extender. 2. The use of the design product: for HDMI wireless video transmission. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

1. Name of the design product: Call doorbell. 2. Use of the design product: For smart home electronic products, providing wireless video and remote voice call, doorbell call function. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: perspective view 1.

The invention discloses a wireless video monitoring system and a monitoring method thereof.The wireless video monitoring system comprises a video monitor body, a storage mechanism and an auxiliary mechanism, the video monitor body is fixedly connected with a bearing plate, the storage mechanism is located outside the video monitor body, and the storage mechanism is used for carrying out storage operation when the video monitor body is not used; the auxiliary mechanism is located at the bottom of the storage mechanism and used for being matched with the storage mechanism. The arrangement mode that the storage frame, the fixing frame, the connecting frame, the electric push rod and the auxiliary mechanism are matched is utilized, the video monitor body is located in the storage frame, the electric push rod enables the video monitor body to stretch out or retract from the interior of the storage frame, and the auxiliary mechanism assists in shielding the bottom of the storage frame; when the video monitor main body is not used, the video monitor main body can be stored and protected, so that the video monitor main body can be prevented from being eroded by rainwater or exposed to the sun, and the safety of the video monitor main body can be improved.

A method for low-latency and anti-interference video transmission in mobile Internet of Things based on reinforcement learning belongs to the fields of wireless communication, Internet of Things and information security. Aiming at the device mobility and the demand for low video latency, a method for low-latency and anti-interference video transmission in mobile Internet of Things based on reinforcement learning is provided, which can effectively reduce the communication latency and packet loss rate of wireless video transmission of mobile devices, improve the network throughput and save communication energy consumption. By using channel, network state and mobile device location information, as well as communication performance parameters, a reinforcement learning algorithm is adopted to dynamically optimize the mobile trajectory of the device, the transmission power of wireless video transmission, the channel and the code rate, so as to cope with the dynamic wireless environment and hostile interference attacks during the movement and improve the video quality and fluency. It can effectively reduce the communication latency and packet loss rate of wireless video transmission, improve the network throughput and save communication energy consumption.

The present invention provides for systems and methods of transmitting and converting a landscape image to a portrait image for use in a virtual reality (VR) and augmented reality (AR) environment at a very high speed with negligible latency thus providing a seamless video feed to enhance the VR or AR environment to meet the demands of VR and AR head mounted displays. The present invention further provides for systems and methods for compositing and communicating video, audio, user data, and commands for VR and AR applications with stationary and moving participants. The present invention overcomes the unmet needs of the art by providing a wireless video processing which includes equipment that has a low power consumption, while providing a reliable and seamless virtual or simulated environment. The present invention further overcomes the unmet need by providing systems and methods to reduce the latency caused by image rotation.

1. The name of the design product: wiring-free video pile (column). 2. The use of the design product: the design product is used for intelligent parking management terminal of urban road, parking lot and charging pile. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The utility model discloses a wireless video monitoring device for an endless rope winch. The wireless video monitoring device comprises an endless rope winch main body, a monitoring mechanism, a mounting mechanism and an angle adjusting mechanism, after the endless rope winch main body is placed stably, a supporting plate is connected above the endless rope winch main body through a mounting mechanism; the monitoring mechanism comprises a camera and a wireless transmitter, a supporting column is arranged on the top face of the supporting plate, the camera is connected to the supporting column, the monitoring angle is adjusted through an angle adjusting mechanism, and the wireless transmitter is fixed to the bottom face of the supporting plate and connected with the camera in a matched mode through a data line. Compared with the prior art, the endless rope winch has the advantages that the monitoring equipment can be quickly fixed on the endless rope winch through the arranged mounting mechanism, complicated mounting steps or tools are not needed, and the mounting process is greatly simplified; an angle adjusting mechanism is arranged, a user is allowed to flexibly adjust a monitoring view angle according to needs, and the optimal view coverage range is ensured.

The utility model belongs to the technical field of communication, and particularly relates to a type c single-interface wireless screen sharing device with touch control. Comprising a wireless video receiving module, an HDMI conversion module and a type c interface. The wireless video receiving module is used for receiving audio and video signals sent by a mobile phone or a computer and converting the audio and video signals into hdmi signals, the HDMI conversion module is used for receiving the hdmi signals and converting the hdmi signals into DP signals, and the type c interface is used for receiving the DP signals and transmitting the DP signals to a displayer. The HDMI conversion module, the power supply module, the PD power taking module and the touch decoding module are arranged in the wireless screen projector, and video signals, power supply of a power supply and touch interface signals are all transmitted into a type c interface, so that the functions of video transmission, power supply and touch reverse control of the wireless screen projector can be realized by only one connecting wire, the number of connecting wires is reduced, and the cost is reduced. And the operation is simplified.

The present invention relates to an intelligent adjustment system for an image data playback strategy, comprising: a spacing detection device, which is arranged between a wireless video recording device and a live broadcast background wall, and is used for detecting the real-time spacing from the center position of the video recording lens of the wireless video recording device to the center position of the live broadcast background wall, and sending out a spacing abnormality signal when the real-time spacing is not equal to a set spacing value; a center judgment device, which is used for visually identifying whether an area to be analyzed is at the center position of a smoothed filtered image when receiving a host detection success command. The intelligent adjustment system for the image data playback strategy of the present invention has a compact logic and stable operation. Since it can visually identify whether the imaging area of a set host is at the central position of a live broadcast picture when it is determined that there is a set host in the live broadcast picture, and give a corresponding solution based on the visual identification result, the playback effect of the live broadcast picture is ensured.

A camera device for vehicle safety. The camera device is connected to hardware and software systems installed in a vehicle and is equipped in the vehicle. The camera device facilitates autonomous driving systems including advanced driver assistance systems (ADAS), by utilizing its algorithms in conjunction with an electric power control unit (EPCU) and an electronic control unit (ECU), including a vehicle control unit (VCU). Further, the camera device facilitates real-time wired and wireless video transmission and storage through antenna modules of a display device and a camera device inside the vehicle, and can record emergency situations caused by traffic accidents during vehicle operation, as well as the on-site situation for before and after the accident, for use as video evidence. Additionally, the camera device operates when sensors in the vehicle detect physical and chemical changes during parking or stopping, allowing video footage of the vehicle damage site to be recorded.

The utility model relates to the technical field of digital equipment, in particular to a docking station with a wired and wireless picture transmission function, which comprises a docking station body and a wireless transceiving end. The docking station body comprises an input module, a line concentration control module, a USB (Universal Serial Bus) output module, a video conversion module, a first HDMI (High Definition Multimedia Interface) output module, a change-over switch module and a first wireless transceiver module, and the input end of the line concentration control module and the input end of the video conversion module are electrically connected with the input module respectively; the output end of the line concentration control module is electrically connected with the USB output module, and the output end of the video conversion module, the input end of the first wireless transceiver module and the first HDMI output module are electrically connected with the change-over switch module. The utility model aims to provide a docking station with wired and wireless picture transmission functions, which has wired and wireless video transmission functions at the same time and improves the use experience.

The application belongs to the technical field of communication, and particularly relates to a video coding method, device, computer readable medium and electronic equipment. The video coding method comprises the following steps: obtaining historical intensity information in a historical time period, wherein the historical intensity information is used for representing network signal intensity of wireless video transmission corresponding to each historical moment in the historical time period; predicting intensity information of a next key frame according to the historical intensity information, wherein the intensity information of the next key frame is used for representing wireless network signal intensity of transmitting the next key frame; determining a target data amount of the next key frame according to the intensity information of the next key frame, and performing intra-frame coding on the next key frame according to the target data amount. The target data amount is determined in advance before the frame is coded, and then the next key frame is coded according to the target data amount, so that the transmission of the key frame can be completed in one uplink time slot, and the transmission is completed without waiting for a frame period, thereby reducing the transmission delay.