189results about "High-definition television systems" patented technology

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.

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.

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 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.

A transmission apparatus includes a communication interface configured to communicate with a reception apparatus, and a controller configured to acquire a depth image obtained by at least one depth camera measuring distances to a subject within a measurement range, identify, with reference to the acquired depth image, a window corresponding to a position of the subject from among a plurality of windows set within the measurement range and aligned in a depth direction, transmit a window identifier identifying the identified window to the reception apparatus via the communication interface, and for each pixel of the depth image, convert a measured distance into a relative distance within the window and transmit a resulting converted value as pixel data to the reception apparatus via the communication interface.

The utility model discloses a matrix video signal low-delay transmission system. The matrix video signal low-delay transmission system comprises an interface chip input module and a first FPGA unit; the system comprises a first FPGA unit, a second FPGA unit and an interface chip output module, wherein the first FPGA unit comprises a data packaging module and a Serdes sending module which are connected with each other; the second FPGA unit comprises a serdes receiving module, a ddr cache module and an Osd module which are connected with one another in sequence; and the interface chip input module, the first FPGA unit and the second FPGA unit are connected with one another. Video signal data of the structure is subjected to high-speed serial transmission of SERDES and cache processing of DDR, so that video signals are input through a matrix and then output and processed, low-delay transmission of video data compared with video source data is achieved, data time delay is lower compared with similar products, and a good data transmission effect is achieved.

The present invention discloses a video processing method and system, the video processing method comprising: receiving HDMI video, decoding HDMI video blocks in the received HDMI video according to preset block rules, restoring to corresponding video image data, and looping back the received HDMI video to another cascade-connected data processing device; intercepting the video image data according to preset screen capture parameters, and storing the intercepted video frame data in a corresponding RAM block according to a preset coordinate range; extracting the corresponding video frame data from the RAM block, and packaging and sending it to an external display device. The present invention can distribute HDMI video, analyze and process high-definition video simultaneously through multiple data processing devices, speed up the analysis and processing speed, and can also customize the video output screen size through preset screen capture parameters, so that the use scenario is more flexible, and the video frame data can be stored and packaged for output in blocks.

Embodiments of this application provide a data processing method and a related device. The method includes: obtaining N objects that belong to a same class; determining M groups of data based on attribute values of M attributes included in the N objects, where the M groups of data are in a one-to-one correspondence with the M attributes, and each of the M groups of data indicates attribute values of a corresponding attribute of the N objects; and storing the M groups of data by using M storage space sets respectively. In the foregoing technical solutions, attribute values of a same attribute of the N objects that belong to the same class are stored by using a same storage space set. Therefore, the foregoing technical solutions provide good data locality. In addition, in the foregoing technical solutions, only an attribute value of an object or data indicating an attribute value may be stored without storing some redundant information (for example, an object header and alignment padding). Therefore, the foregoing technical solutions save storage space.

The utility model discloses a V-By-One and LVDS (Low Voltage Differential Signaling) signal-to-HDMI (High Definition Multimedia Interface) signal system, which is characterized by comprising an input signal receiving module, a signal processing and converting module, an HDMI signal converting module, an HDMI signal output module, a dial switch and a main control module, the corresponding end of the main control module is electrically connected with the corresponding ends of the signal processing and conversion module, the HDMI signal conversion module and the dial switch respectively; the corresponding end of the input signal receiving module is electrically connected with the corresponding end of the signal processing and conversion module and the corresponding end of the HDMI signal conversion module. The HDMI signal conversion module is also electrically connected with the corresponding end of the HDMI signal output module; the input signal receiving module is used for receiving a V-By-One signal and an LVDS (Low Voltage Differential Signaling) signal; and the signal processing and conversion module is used for converting the signal input by the input signal interface into a unified LVDS (Low Voltage Differential Signaling) signal.

The invention discloses an ultra-high-definition image transmission system applied to a medical endoscope system, which belongs to the technical field of medical endoscopes and comprises an image acquisition module, an image preprocessing module, a data transmission module, a data processing module, a visual display module and a safe storage module. The problems that an existing endoscope is low in ultra-high-definition image transmission quality, and the ultra-high-definition image of the endoscope cannot be effectively and safely protected, so that the ultra-high-definition image transmission effect of the endoscope is poor are solved, the ultra-high-definition image based on a medical endoscope system is collected, the ultra-high-definition image is preprocessed, and the ultra-high-definition image transmission effect of the endoscope is improved. According to the method, the ultra-high-definition image data is determined, the ultra-high-definition image data is processed, the ultra-high-definition image feature data is determined, and visual display and safety protection are performed on the ultra-high-definition image feature data, so that the ultra-high-definition image transmission quality of the endoscope can be improved, and effective safety protection can be performed on the ultra-high-definition image of the endoscope. The ultra-high-definition image transmission effect of the endoscope can be improved.

A system and method for coding video in which deblocking artifacts are reduced by using modified filtering that is based, at least in part on pixel intensity associated with a coding unit, such that filtering levels are increased as pixel intensity increases. In some embodiments, an offset value or indicator of an offset value for parameters associated with deblocking filter parameters can be associated with a filtering level that is based at least in part on an intensity value.

A display system includes a plurality of display devices configured to display a display image, a computer configured to supply, to the plurality of display devices, information indicating the display image generated based on a first video signal conforming to a first communication standard, and a communication device configured to execute transmitting, to a video supply device on an outside, image information indicating resolution of a display region where the plurality of display devices display the display image, receiving, from the video supply device, a second video signal conforming to a second communication standard different from the first communication standard, and converting the second video signal into the first video signal and transmitting the first video signal to the computer.