304results about "High-definition television systems" patented technology

An image processing method and apparatus, a device, a video processing method and a storage medium are provided. The image processing method includes: receiving an input image; and processing the input image by using the convolutional neural network to obtain an output image. A definition of the output image is higher than a definition of the input image. Processing the input image by using the convolutional neural network to obtain the output image includes: performing feature extraction on the input image; concatenating the input image and the plurality of first images; performing the feature extraction on the first image group; fusing the plurality of second images and the plurality of first images; concatenating the input image and the plurality of third images to obtain a second image group; and performing the feature extraction on the second image group to obtain the output image.

The embodiment of the invention discloses a 4K splicing processor and a 4K splicing display system. The 4K splicing processor comprises a driving circuit used for processing a 4K resolution signal, the driving circuit comprises an FPGA chip U5, TVS array chips U10, U11, U12 and U13 and DP signal line connectors CN9 and CN10; the model of the U5 is Spartan-6, the models of the U10, the U11, the U12 and the U13 are all RClamp0524P, the CN9 is connected with the U5 through the U10 and the U11, and the CN10 is connected with the U5 through the U12 and the U13; the U5 receives the input 4K resolution signal through the CN9 to process the 4K resolution signal and outputs the processed 4K resolution signal through the CN10 to achieve 4K resolution signal looping. According to the 4K splicing processor and the 4K splicing display system, the problem that 4K splicing display system equipment is complex is solved.

The present application belongs to the field of high-speed signal transmission technology, and specifically discloses a high-speed differential signal impedance matching circuit and an impedance matching method thereof. The circuit includes: a main resistance calibration module, a calibration signal circuit and a calibration circuit; the calibration signal circuit includes a secondary resistance calibration module; the first output end of the calibration circuit is respectively connected to the main resistance calibration module and the secondary resistance calibration module; the calibration signal circuit is connected to the calibration circuit; the calibration signal circuit is used to input a reference voltage and an adjustment voltage to the calibration circuit; the calibration circuit is used to adjust the first equivalent resistance value based on the reference voltage and the adjustment voltage until the target calibration control signal is output, so that the first equivalent resistance value reaches the resistance value of the reference resistance, and the second equivalent resistance value of the main resistance calibration module matches the characteristic impedance of the differential signal transmission circuit. Through the present application, the effect of automatic calibration of impedance matching can be achieved, the efficiency of impedance matching can be improved, and the impedance calibration accuracy is high.

Audio / video base stations may include a plurality of audio / video input ports. The base stations may include an audio / video output port. The base stations may include a communication interface that is coupleable with an audio transceiver. The base stations may include one or more processors. The base stations may include a memory device having instructions stored thereon that, when executed by the one or more processors, cause the audio / video base station to detect that the audio transceiver has been undocked from the audio / video base station. The instructions may further cause the base station to, in response to detecting that the audio transceiver has been undocked from the audio / video base station, automatically switching an audio output signal from the audio / video output port to the communication interface while continuing to transmit a video output signal to the audio / video output port.

The invention discloses a high-definition video signal transmission system based on optical signals, relates to the technical field of video signal transmission, and solves the problems that video signals are difficult to reasonably divide, and meanwhile, signal transmission is difficult to manage and distribute in a video stream signal transmission process. And stable and safe transmission of high-definition video signals is inconvenient to guarantee. Comprising a central node, an optical fiber network and a plurality of video transmission nodes, a video signal is divided into a plurality of independent video streams, so that flexible allocation according to network bandwidth and node performance is facilitated, and the overall transmission efficiency is improved; the compressed independent video stream can be transmitted more quickly through a network, so that the waiting time of a data packet is shortened, and the overall delay is reduced; different video streams can be dynamically distributed to different optical fibers according to actual requirements, so that more efficient resource utilization and load balancing are realized.

System and method for improving the shaving experience by providing improved visibility of the skin shaving area. A digital camera is integrated with the electric shaver for close image capturing of shaving area, and displaying it on a display unit. The display unit can be integral part of the electric shaver casing, or housed in a separated device which receives the image via a communication channel. The communication channel can be wireless (using radio, audio or light) or wired, such as dedicated cabling or using powerline communication. A light source is used to better illuminate the shaving area. Video compression and digital image processing techniques are used for providing for improved shaving results. The wired communication medium can simultaneously be used also for carrying power from the electric shaver assembly to the display unit, or from the display unit to the electric shaver.

The utility model discloses a conference machine and office equipment, relates to the technical field of display, and can increase operation modes of the conference machine so as to expand application scenes of the conference machine. The conference machine comprises a display; a display driving board; the system board is provided with an output signal external port; the first multi-path signal selection board is provided with an input signal external port, and the first multi-path signal selection board is electrically connected with the input end of the system board and the input end of the display driving board; and the second multi-path signal selection board is electrically connected with the output ends of the system board, the display and the display driving board respectively.

The utility model provides a station CCTV system multi-picture processor detection device, and belongs to the technical field of equipment detection. The station CCTV system multi-picture processor detection device comprises a multipath serial digital interface SDI signal generation circuit, a high-definition multimedia interface HDMI signal generation circuit and a display module. The input end of the multipath SDI signal generation circuit is connected with a signal source; the output end of the multi-path SDI signal generation circuit is connected with the input end of the multi-picture processor; the input end of the HDMI signal generation circuit is connected with the output end of the multi-picture processor; the output end of the HDMI signal generation circuit is connected with the display module; the display module is used for displaying pictures. The station CCTV system multi-picture processor detection device provided by the utility model is not limited by test time, and can carry out function detection on the CCTV system multi-picture processor without setting up an independent test device, thereby reducing the detection cost.

The present technology is to enable a transmitter device to read appropriate device information (EDID) from a receiver device with a reduced burden on the user. A memory unit that stores first device information and second device information, and a communication unit that communicates with an external device are included. The control unit determines to cause the external device to read the second device information, on the basis of reception of a rewrite signal for the first device information from the external device. It is possible to cause the external device (a transmitter device) to read appropriate device information (EDID) from a receiver device (a reception device) with a reduced burden on the user, and thus, user-friendliness can be increased.

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 utility model discloses an HDMI all-optical transmission assembly, which comprises a transmission cable, a transmitting module and a receiving module, the transmission cable comprises a plurality of optical fibers, the transmitting module is arranged at a first end of the transmission cable, the receiving module is arranged at a second end of the transmission cable, and the receiving module comprises a boost submodule. The boost submodule is used for sensing the light emitted by the emission module and converting the light into a + 5V electric signal which is used as excitation voltage of hot plugging. According to the HDMI transmission assembly, the boost sub-module is arranged, so that all-optical transmission can be realized without adopting a hybrid cable or additionally arranging equipment such as a USB plug, and the structure of the HDMI transmission assembly is effectively simplified.

Embodiments described herein provide for a method and system for the inspection of fluids for defects. A plurality of containers with fluids disposed therein are inspected for defects in an inspection system. A timing sequence is used to control the timing of light pulses directed to the fluid residing in the plurality of containers. A high-resolution camera is utilized to obtain images of the fluid disposed in the plurality of containers. An illumination time of pulses of light in the inspection zone is less than an exposure time of each frame of a plurality of frames of the high-resolution camera. As such, the inspection system and method of utilizing the inspection system allows for high-resolution images of the fluid to be captured without smearing of the defects in the captured images.

The invention discloses a television control method, a television product, television equipment and a storage medium, and relates to the technical field of television equipment, the method is applied to a mainboard of the television product, the television product further comprises a port information adapter plate, the port information adapter plate is provided with a plurality of ports, and the mainboard is connected with the port information adapter plate. The method comprises the following steps: receiving port information sent by a port information adapter plate, and generating a signal source form according to the port information; determining a target signal source in the signal source form according to a received signal source selection instruction, and sending a port selection instruction of the target signal source to the port information pinboard, so that the port information pinboard selects a target port from the plurality of configured ports according to the port selection instruction; and receiving the audio and video signal of the target port sent by the port information adapter plate. According to the application, the use experience of a user when the ultra-high-definition television product is used can be improved.

A surgical video system having: at least one video source; at least one artificial intelligence platform, the at least one artificial intelligence platform having at least one artificial intelligence solution for processing video received from the at least one video source and providing at least one output; a switch coupling the at least one video source to the at least one artificial intelligence platform; and a display coupled to the switch and the artificial intelligence platform, the display further comprising a processor and at least one user input device. The display is configured to control the at least one artificial intelligence solution and to display video from the at least one video source along with output from the artificial intelligence platform.

The invention discloses an HDMI interface test method and device and a storage medium, and the method comprises the steps: a test device controls a tested device to be powered on periodically within a preset time threshold value through a relay control device, and monitors whether an output signal of an HDMI interface of the tested device reaches the standard or not; if the output signal does not reach the standard, controlling the relay control equipment to continuously supply power to the tested equipment according to a pre-selected first test mode so as to enable the output signal to be kept in a current fault state, or recording the current fault state of the output signal according to a pre-selected second test mode so as to enable the tested equipment to continuously supply power to the tested equipment. And repeatedly testing the HDMI interface within the time threshold value, and counting the test result. According to the invention, automatic testing of the HDMI interface can be realized, the testing efficiency is improved, the input of testing personnel is reduced, and the testing accuracy is improved.

The invention provides an interface data two-way transmission verification method for an HDMI (High Definition Multimedia Interface), which comprises the following steps: firstly, acquiring a two-way transmission data set of target equipment, including data packet sequences captured from two transmission paths which are opposite to each other, then, carrying out time feature alignment processing on the two data packet sequences to generate a two-way transmission time feature set, and then, carrying out verification on the two-way transmission time feature set; performing path consistency analysis on the bidirectional transmission time feature set based on a preset transmission path verification rule to generate a path verification parameter set, the path verification parameter set comprising key parameters such as path time sequence matching degree, data integrity index, transmission interruption frequency and the like; and according to a comparison result of the path verification parameter set and a preset transmission compliance threshold, generating a dynamic adjustment signal, and mapping the dynamic adjustment signal to a transmission configuration module of the target device to activate a transmission parameter updating operation. And finally, after the transmission parameters are updated, secondary verification operation is triggered, a final verification result set is generated, and improvement of transmission performance and stability is ensured.

The present technology is to enable a transmitter device to read appropriate device information (EDID) from a receiver device with a reduced burden on the user.A memory unit that stores first device information and second device information, and a communication unit that communicates with an external device are included. The control unit determines to cause the external device to read the second device information, on the basis of reception of a rewrite signal for the first device information from the external device. It is possible to cause the external device (a transmitter device) to read appropriate device information (EDID) from a receiver device (a reception device) with a reduced burden on the user, and thus, user-friendliness can be increased.

A marine drone system utilizing an unmanned aerial vehicle to provide visual feedback for conditions including temperature, depth, and conditions which may suggest favorable fishing conditions, such as weed lines, flotsam, breaks, and objects, such as birds or fish. The system utilizes a plurality of sensors, including, but not limited to, cameras, laser, GPS, radar, and LIDAR. The visual feedback may be shown as a video fees or a map, wherein the feedback is shown as a visual backgrounds, wherein an overlay of interactive functions provides information regarding the conditions. The system also includes method steps for implementing, obtaining, and displaying the information. The system hardware includes the unmanned aerial vehicle, a base station, and a hardwired tether between the unmanned aerial vehicle and the base station providing power and bi-directional data transfer.

The utility model discloses a high-definition multi-path image processing structure, which comprises a shell, at least one network interface arranged on the shell, a processor arranged in the shell, a video decoder arranged in the shell and connected with the network interface and the processor, and a processor arranged in the shell and connected with the network interface and the processor. And the video receiver is arranged in the shell and is connected with the video decoder and the processor. Therefore, the system chip (system-on-chip, SoC) and the field programmable gate array (field programmable gate array, FPGA) are separately arranged, so that the required FPGA and SoC can be flexibly selected for development, the cost can be effectively reduced, the processing efficiency can be improved, the overall speed can be improved, the system load of a personal computer (PC) is reduced, and the development cost of the system chip (system-on-chip, SoC) and the development cost of the system chip (system-on-chip, SoC) can be reduced. Therefore, the structure of the utility model can carry out multi-path high-quality image processing.

Disclosed is a method of transmitting control information in a second generation digital video broadcasting terrestrial, DVB-T2, broadcast communication system, the method comprising: generating a plurality of frames based on a plurality of physical layer pipes, PLPs, each PLP including data of a service; and transmitting the plurality of frames, wherein a first frame of the plurality of frames comprises a control part including a P2 signal and a data part including at least one primary PLP having scheduling information for the at least one primary PLP, wherein the P2 signal includes first control information for the at least one primary PLP included in the first frame, wherein a primary PLP of the at least one primary PLP includes second control information including first scheduling information for the primary PLP included in a second frame following the first frame and second scheduling information for at least one secondary PLP, other than the primary PLP, included in the second frame, in case that a number of the at least one secondary PLP is greater than a pre-determined number.

The sink device according to an embodiment of the present disclosure comprises a memory configured to store a mapping table, an external device interface configured to receive a video signal from a source device through HDMI (High-Definition Multimedia Interface) standard and a controller configured to obtain a horizontal total value, a vertical total value, and an output frequency based on the video signal, obtain a pixel clock frequency mapped to the horizontal total value, the vertical total value, and the output frequency from the mapping table, and output the video signal based on the obtained pixel clock frequency.

The utility model discloses a signal switching circuit and a signal switcher, and relates to the technical field of signal transmission. The signal switching circuit comprises an audio and video processing chip, a first switching chip and a second switching chip, and the audio and video processing chip is connected with the input interface and the output interface; the first switching chip is connected with the input interface and the audio and video processing chip; the second switching chip is connected with the output interface and the audio and video processing chip. The audio and video signals are processed by the audio and video processing chip; the communication signal is switched to a processing interface corresponding to the audio and video processing chip based on the signal switching function of the first switching chip; after the audio and video processing chip processes the signal, the processed signal can be switched into a signal which can be matched with the output interface through the signal switching function of the second switching chip. Therefore, even on the premise that the formats of the input interface and the output interface are inconsistent, the signal switching circuit provided by the utility model can also realize a signal transmission function.

The utility model discloses a novel double-screen KVM (Keyboard Video Mouse) transceiver, which comprises a KVM transmitter and a KVM receiver, the KVM transmitter comprises a first machine body, a first SoC chip, an audio analog-to-digital conversion chip and two HDMI receiving chips, wherein the first SoC chip, the audio analog-to-digital conversion chip and the two HDMI receiving chips are installed in the first machine body. The KVM receiver comprises a second machine body, a second SoC chip, an audio digital-to-analog conversion chip and two HDMI sending chips, wherein the second SoC chip, the audio digital-to-analog conversion chip and the two HDMI sending chips are installed in the second machine body. The novel double-screen KVM transceiver can support transmission of two paths of HDMI video signals at the same time, one sending terminal can be connected with HDMI signals of double display cards of a computer, one receiving terminal can be connected with two display screens, cost is reduced, and the double-screen display function is achieved. Therefore, a user can connect the two displays and check and operate the content on the remote computer at the same time, and the working efficiency is improved.

The utility model relates to the technical field of audio and video acquisition cards, in particular to a USB3.0 high-definition loop-out 4K60HZ audio and video acquisition card, which is characterized in that an acquisition circuit is connected with an HDMI audio and video circuit, the acquisition circuit comprises an audio and video processing circuit, the audio and video processing circuit is connected with a data receiving circuit, the HDMI audio and video circuit is connected with the data receiving circuit, and the data receiving circuit is connected with the USB 3.0 high-definition loop-out 4K60HZ audio and video acquisition card. The HDMI audio and video circuit is connected with a data transmitting circuit, the audio and video processing circuit is connected with a coding circuit, and the coding circuit is connected with a USB interface. Compared with the prior art, the USB 3.0 high-definition ring-out 4K 60HZ audio and video acquisition card provided by the utility model solves the problem of insufficient resolution of video ring-out, enables audio and video ring-out to reach an ultrahigh new view angle of 4K60Hz, is almost synchronous in acquisition, cannot be seen by naked eyes and has delay, and is beneficial to improving the use experience of a user.

A method 700 for interpolation of one or more intermediate images from two or more images comprises interpolating 707 one or more intermediate images from the two or more images based on one or more inconsistent flow vectors corresponding to the two or more images. The intermediate images may be interpolated based on superpixels generated for the two or more images. The inconsistent motion vectors may be determined 701 based on comparison of forward optical flow data from a first image to a second image with backward optical flow data from the second image to the first. The plurality of superpixels may be identified 703 starting from coordinates of candidate pixels associated with inconsistent flow vectors using a gradient map and intensity information from a first image of the two or more images. A plurality of superpixels may be used 705 to fill in inconsistent flow vectors. A superpixel generation processor and system which uses inconsistent flow vectors is also disclosed.

The utility model discloses an audio separation circuit and a switcher, the audio separation circuit comprises a video input module, a switching processing module, a video output module and an audio output module, the video input module is used for collecting video signals and transmitting the video signals to the switching processing module; the switching processing module is used for executing target processing operation on the video signal to obtain a target output signal and outputting the target output signal to the video output module and the audio output module, and the target output signal comprises an output video signal and an output audio signal; the video output module is used for transmitting the output video signal to target display equipment; and the audio output module is used for transmitting the output audio signal to target audio equipment. According to the utility model, the audio and the video in the video can be separated and de-embedded, the intelligence of audio de-embedding is improved, and the use convenience of a user is improved.

The application provides an arbitrary resolution HDMI prototype verification device and method, wherein a frame analysis unit analyzes received data packets and stores analyzed image data into a storage unit at a limited clock frequency, a frame extraction unit sequentially extracts each frame image data from the storage unit at a clock frequency corresponding to a corresponding resolution, when the frame extraction unit sequentially extracts previous frame image data, it is judged whether next frame image data is stored in the storage unit; if the next frame image data has been stored, the frame extraction unit extracts the next frame image data; if the next frame image data has not been stored, the frame extraction unit repeatedly extracts the previous frame image data until the next frame image data is stored; the frame extraction unit outputs the extracted image data and performs image display; through the above method, the clock frequency required by any resolution is matched with the limited clock frequency, and corresponding verification is completed.

The utility model discloses a kind of display console 4K high-definition video transmission devices, including mainboard, CPEX backplane, back socket board, electric light adapter plug, light electric adapter plug, adapter socket board and fiber connector;Mainboard, CPEX backplane, back socket board are all arranged in reinforced computer, electric light adapter plug is connected on the CPEX backplane, and fiber connector is arranged on back socket board;Mainboard output HDMI electric signal transmission is given to CPEX backplane, and CPEX backplane is converted into optical signal by electric light adapter plug, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted

The utility model relates to the technical field of intelligent learning, in particular to an intelligent cooperation system, which comprises a TeamHub host, a touch display, an LED (light-emitting diode) screen, a plurality of ShareHub hosts and a plurality of distributed coding boxes, the TeamHub host and the plurality of ShareHub hosts form a network, the TeamHub host is respectively connected with the touch display and the LED screen, and user equipment is connected with the ShareHub hosts through the corresponding distributed coding boxes. The introduction of the distributed coding box simplifies the equipment management process, so that the user equipment can easily access the system, and the operation complexity is reduced.

The utility model discloses a multipath video same-screen expansion device, which relates to the field of medical equipment and comprises a shell, the front end of the shell is provided with an HDMI-IN interface for video digital data input, and the rear end of the shell is sequentially provided with a BNC interface, two DVI interfaces and an HDMI-OUT interface which are used for signal output. An expansion device circuit board is installed in the shell, and the HDMI-IN interface, the BNC interface, the DVI interface and the HDMI-OUT interface are all installed on the expansion device circuit board. The multi-channel video same-screen expansion device provided by the utility model supports same-screen expansion display of four displays. The video output device is provided with various video output interfaces, is high in compatibility, and meets different output requirements. The utility model has the advantages of good versatility, batch production and low manufacturing cost.