89 results about "Multimedia interface" patented technology

The invention provides a commodity multimedia recommendation method and system combined with RPA and AI.The method comprises the steps that firstly, a current interaction behavior flow of a user and a commodity multimedia interface is recorded in real time through an RPA interaction capture module, the current interaction behavior flow comprises an operation triggering time sequence and an attention staying track, then an intention evolution track is extracted based on a preset historical interaction mode library, and the intent evolution track is extracted; the method comprises the following steps of: generating a dynamic matching rule set according to an intention evolution track, including an association constraint condition and a priority ranking logic, inputting the dynamic matching rule set into a pre-trained AI recommendation model, performing rule matching screening on a candidate commodity multimedia content set, generating a screening result, and outputting the screening result to a user. And finally, a recommendation sequence is rendered in real time according to a screening result through an RPA display arrangement module, and the display size and the text typesetting style are adjusted, so that the individuation degree of commodity multimedia recommendation and the user experience are improved.

The invention provides a multi-mode intelligent semantic comprehension and abstract generation system and method based on an HDMI stream, and the system comprises an HDMI input module which is used for receiving a video signal outputted by external equipment; the image content streaming analysis module is configured to perform content segmentation, optical character recognition, layout structure extraction and graphic element detection on the video signals and output structured image data; the audio acquisition module is used for acquiring an audio signal and preprocessing the audio signal; the voice recognition module is used for transferring the preprocessed audio signal into a voice text; and the multi-modal fusion and semantic understanding module is configured to fuse the structured image data and the voice text, generate summary information and output the summary information to the result output module. According to the invention, real-time synchronous analysis of the multi-modal content and intelligent generation of the abstract are realized.

The invention discloses computer peripheral interface management and control equipment based on fingerprint identification. The computer peripheral interface management and control equipment comprises an FPGA main controller, a fingerprint identification module, a user interaction module, a peripheral interface output module, a host interface input module and a power management module, in the working process, the fingerprint identification module compares user fingerprint information, confirms the identity and notifies the FPGA main controller, a USB input interface and an HDMI input interface of the host interface input module are connected with a USB output interface, an HDMI output interface and a VGA output interface of the peripheral interface output module, and a user is notified through a state indicator lamp of the user interaction module; and when the user leaves, a locking key of the user interaction module is clicked, and after receiving a locking key signal, the FPGA main controller cuts off USB (Universal Serial Bus) and HDMI (High-Definition Multimedia Interface) input interfaces of the host interface input module and USB, HDMI and VGA (Video Graphics Array) output interfaces of the peripheral interface output module, and notifies the user through a state indicator lamp of the user interaction module. External connection of the computer peripheral interface can be cut off through one key, and attack of a hardware layer can be defended.

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 invention relates to the technical field of HDMI (High Definition Multimedia Interface) transmission, and provides an HDMI one-way transmission security enhancement method and device, and the method comprises the steps: determining the version, interface type and pin serial number and definition of an HDMI used in an application scene, and identifying whether an HDMI transmission channel is a one-way channel or a two-way channel; for a bidirectional channel which is not needed in an application scene, one-way transmission security enhancement is realized by adopting a physical cutting mode; for a bidirectional channel required by an application scene, one-way transmission security enhancement is realized by adopting a physical cutting-off and receiving end simulation substitution mode; for a one-way channel, a signal amplifier is adopted to realize one-way transmission security enhancement. According to the invention, unidirectional transmission security enhancement can be carried out on the HDMI native interface, so that the HDMI native interface has a pure unidirectional transmission characteristic, security risks such as sensitive data leakage of a receiving end are blocked, and the unidirectional transmission security of the HDMI is improved. Moreover, the system is improved based on a native interface, and has the advantages of low power consumption, small size, low cost and the like.

The present disclosure provides a multimedia interface generation method, device, equipment and medium, which realizes one-key generation of a multimedia interface based on a multimedia list screenshot. The method comprises: obtaining a multimedia list screenshot and performing multimedia information identification to obtain related information of a multimedia in the multimedia list screenshot; determining similar multimedia interfaces of the multimedia list screenshot from a multimedia database according to the obtained related information of the multimedia, and obtaining cover information and multimedia description information of each similar multimedia interface; and generating a target multimedia interface according to the cover information and the multimedia description information of the similar multimedia interfaces.

The present disclosure relates to the technical field of multimedia post-processing, and in particular to an image processing method and a display device, which are used for alleviating the problems of the current operation process of displaying a video picture in a split manner by means of a plurality of displays being complex and the interaction experience of a user being poor. The method comprises: when setting information sent by a split-screen casting application has been received, switching a video channel to a target channel, wherein the setting information comprises a set of coordinates, which correspond to a split image actually displayed on a display device, in a frame image, the split image is a part of the frame image, and the target channel comprises any one of a multimedia channel, an analog signal channel and a high-definition multimedia interface channel; when start information sent by the split-screen casting application and used for instructing the start of special effect processing has been received, capturing the frame image from the target channel; performing special effect processing on the frame image, so as to obtain the split image, which corresponds to the set of coordinates, in the frame image; and rendering the split image, and displaying rendered split image.

This invention provides a product multimedia recommendation method and system combining RPA and AI. First, an RPA interaction capture module records the current interaction flow between the user and the product multimedia interface in real time, including the timing of operation triggers and attention trajectories. Next, based on a pre-set historical interaction pattern library, the intent evolution trajectory is extracted, covering the dynamic shift characteristics and intensity trends of user interests and preferences. A dynamic matching rule set is generated based on the intent evolution trajectory, including association constraints and priority ranking logic. This dynamic matching rule set is input into a pre-trained AI recommendation model to perform rule matching and filtering on a set of candidate product multimedia content, generating filtering results. Finally, an RPA display and arrangement module renders the recommendation sequence in real time based on the filtering results, adjusting the display size and text layout style, thereby improving the personalization of product multimedia recommendations and the user experience.

The utility model relates to the technical field of data connecting lines, in particular to a high-strength fracture-resistant HDMI (High-Definition Multimedia Interface) high-definition data connecting line. The utility model relates to an HDMI (High Definition Multimedia Interface) high-definition data connecting line, which mainly aims at solving the problems that in the use process of a common HDMI high-definition data connecting line, the connecting part of a wire harness and a connecting plug is often influenced by a connecting environment, so that the connecting line needs to be bent and inserted, and is easy to break and break under long-time deformation and bending, the practicability is reduced, and the subsequent use is influenced. According to the technical scheme, the device comprises a first protective rubber sleeve, the end of the first protective rubber sleeve is connected with a turnover assembly, the turnover assembly comprises a second protective rubber sleeve, a second copper wire is arranged in the second protective rubber sleeve, and one end of the second copper wire is connected with a first contact copper sheet. According to the utility model, the rotatable adjustment is realized, the damage to the joint of the first protective rubber sleeve and the connecting plug caused by wire twisting and bending in the use process is reduced, and the durability and the practicability are improved.

The utility model belongs to the technical field of AI edge computing, and particularly relates to a high-performance AI box, which comprises a casing, an HDMI (High Definition Multimedia Interface) data input interface, an HDMI data output interface and a power supply interface are arranged on the surface of the casing, and a circuit board is arranged in the casing. The circuit board is provided with a central processor, a data storage module, an HDMI data decoding module, a data transmission module, an FPGA module and a power supply module, and the box is based on an RK3588 processor, is strong in operational capability, supports the efficient operation of a complex AI algorithm, is better in speed and precision of processing algorithms such as face detection, and accords with a high-real-time scene. The communication interface of the high-performance AI box integrates network peripherals such as a gigabit Ethernet, a Wi-Fi module and a 4G module and CAN, RS485 and UART local interfaces, the network adaptability is high, industrial equipment connection is facilitated, and the application range is widened. In the aspect of interaction, the HDMI OUT, the HDMI IN and the audio interface provide multi-element man-machine interaction, video display and audio playing can be realized by accessing the display and audio equipment, and the system is suitable for scenes such as security monitoring and the like.

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.

An electronic device according to an embodiment of the present disclosure may comprise: an input interface that receives a key input signal from a remote control; a wired communication interface that communicates with a display device through the high-definition multimedia interface (HDMI) standard; and a processor that determines an HDMI operation mode of the electronic device on the basis of an HDMI signal received from the display device, receives the key input signal from the remote control when the HDMI operation mode is determined to be a reception mode, and ignores the received key input signal if a key input corresponding to the received key input signal is not a preset key input.

The utility model relates to the field of optical fiber cables, in particular to an anti-broken contact HDMI (High Definition Multimedia Interface) optical fiber cable, which comprises a connector lug, a protection limiting assembly and an auxiliary assembly, the outer end of the connector lug is provided with a limiting assembly used for guiding straight transmission of a wire body, one end of the connector lug is provided with an auxiliary assembly used for assisting insertion, and the protection limiting assembly comprises a cable, a positioning block, a plug pin, a limiting plate, a filling plate, a ring sleeve and a pressing ring. The outer wall of the cable is provided with a plurality of groups of positioning blocks for guiding and fixing the optical fiber cable, and the lower ends of the positioning blocks are provided with limiting plates; according to the utility model, a plurality of groups of positioning blocks are adopted to linearly position the cable, so that the bending degree of the optical fiber cable is effectively limited, the cable can be ensured not to exceed the maximum bending radius when being bent when the cable moves frequently or is subjected to external force, and the stress concentration and fracture risk caused by excessive bending in the optical fiber can be avoided.

The invention provides LED display equipment and a display control method, and the equipment comprises a first input interface and a second input interface which are used for receiving video data from an upper computer or a pre-stage sub-display screen; the first output interface and the second output interface are used for transmitting video data to the rear-stage sub display screen; the micro-control unit is used for acquiring coordinate information and on-load information of the current sub-display screen; and the control chip is used for segmenting and intercepting the video data according to the configuration signal so as to obtain video block data matched with the coordinate information of the current sub-display screen. The sub-display screens are in cascade connection through the high-definition multimedia interface, automatic identification and transmission of position information among the sub-display screens are achieved through the UART communication function, multi-direction automatic screen connection can be achieved, and the purposes that the number of nodes of a routing path is small, and the backup path is high in reliability are achieved.

The invention relates to the technical field of file transmission, and discloses a file transmission system and method based on a high-definition multimedia interface, and the system comprises a transmitting end and a receiving end, the transmitting end is used for converting a first binary coding file of a to-be-transmitted file into a first video frame sequence, and transmitting the first video frame sequence through the high-definition multimedia interface; one data frame in the first video frame sequence corresponds to a plurality of bit data in the first binary coding file, and the RGB value of each pixel point in the data frame is determined according to the bit data corresponding to the data frame; and the receiving end is used for obtaining the second video frame sequence through the high-definition multimedia interface, correcting the RGB value of each pixel in the second video frame sequence to obtain a third video frame sequence, obtaining a corresponding second binary coding file according to the RGB value of each pixel in the third video frame sequence, and converting the second binary coding file into a receiving file. According to the invention, high-speed and reliable file transmission of the high-definition multimedia interface is realized.

The invention discloses an HDMI video light synchronization method and device fusing black edge detection and HDR knee point compression, and relates to the technical field of video signal processing and intelligent lighting control. According to the method, black edges and subtitles in a video picture are detected, a mask is generated, and a color selection range is limited, so that samples are concentrated on a main picture; knee point compression parameters are determined in a self-adaptive mode, and the brightness level is kept; colors and brightness are counted according to position weights and distributed to all lamps, a unified frame reference is established, and time sequence calibration is completed; meanwhile, a selectable film watching friendly and stable mechanism is provided, and when the captions or the edges change obviously, color selection is converged, and the change of a near-caption lamp is restrained. The method has the technical effects that a color picking result focuses on a main body, subtitles and black edges do not cause color cast any more, lens switching transition is smooth, and group control switching is consistent; the system can be switched between impression priority and time delay priority according to needs, and the real-time synchronization effect without disturbing watching is achieved.

The present disclosure provides a display device. The display device may: detect a high-definition multimedia interface (HDMI) connection device by using a wireless communication circuit, wherein the HDMI connection device is connected to an external source device; based on receiving a first infrared (IR) signal from the HDMI connection device through an IR signal transceiver within a predetermined waiting time, determine a first distance to the HDMI connection device on the basis of a time difference between a first time point corresponding to a wireless connection to the external source device and a second time point corresponding to the reception of the first IR signal; and based on the first distance being included within a predetermined IR signal arrival range, configure the IR signal transceiver as an IR signal output device for the external source device.

A display device configured to detect a wireless connection to a high-definition multimedia interface (HDMI) connection device connected to an external source device, determine a first distance to the HDMI connection device based on a time difference between a first time point of the wireless connection to the HDMI connection device and a second time point of reception of the first IR signal, based on the first distance being within a determined IR signal arrival range, set the IR signal transceiver as an IR signal output device for the external source device, determine whether a second IR signal output by the IR signal transceiver at least partially overlaps a third IR signal transmitted through the HDMI connection device, and, based on determining that the second IR signal does not overlap the third IR signal, set the HDMI connection device as the IR signal output device for the external source device.

The present disclosure relates to a display device and a display method of an HDMI channel page, and relates to the technical field of electronic devices. The display device comprises: at least one high-definition multimedia interface (HDMI) configured to obtain device information of at least one access device, wherein one HDMI corresponds to obtaining the device information of one access device; and a controller configured to: determine an indication mark of the at least one access device according to the device information of the at least one access device; obtain a configuration sequence of the at least one HDMI; and display the indication mark of the at least one access device in the configuration sequence to display an HDMI channel page, wherein the HDMI channel page comprises the indication mark of the at least one access device. The embodiment of the present disclosure facilitates the user to identify the access device corresponding to the HDMI.

This disclosure provides an artificial intelligence (AI) flash and a method for adjusting its parameters. The AI ​​flash can capture images via its onboard camera or sensor, and / or receive images captured by other devices. The AI ​​flash can receive images from cameras, mobile phones, smart glasses, or any other device capable of capturing images. The AI ​​flash can receive images via Wi-Fi, 2.4 GHz, P2P, Bluetooth, HDMI, and / or proprietary protocols provided by the AI ​​flash manufacturer (or protocols customized for a specific AI flash type). The AI ​​flash can analyze the image using an AI chip and determine how to adjust its parameters based on the analysis results. The AI ​​flash can adjust its parameters accordingly and output light based on the adjusted parameters. This achieves the desired shooting or lighting effect.

The embodiment of the invention discloses an interaction method and device, computer equipment and a computer readable storage medium, and the method comprises the steps: displaying a multimedia interface which displays an information flow for a target object and comprises a comment display area, first comment information for the target object and at least one interaction control corresponding to the first comment information are displayed in the comment display area; and in response to an interaction operation for a target interaction control, displaying an interaction effect matched with the interaction operation of the target interaction control, the target interaction control being any one of the at least one interaction control. In this way, the interactivity and interestingness of the information flow of the target object can be improved.

The invention relates to the technical field of display, in particular to a spliced screen extended display method and system and display equipment. The system comprises a master device, a plurality of cascade slave devices and a plurality of soft splicing slave devices. The master device is in series communication with the plurality of cascaded slave devices through a high-definition multimedia interface; the master device communicates with each soft splicing slave device through a network; in the process that the master device displays the target media object, the master device sequentially outputs a display picture of the target media object to the cascaded slave devices connected in series through the high-definition multimedia interface for synchronous display; each soft splicing slave device independently and synchronously displays the target media object according to the information of the target media object sent by the master device through the network; wherein the master device, the cascade slave devices and the soft splicing slave devices respectively display a part of the display picture of the target media object, and jointly form a complete display picture of the target media object. The limitation of the maximum resolution supported by the main device can be broken through, and the number of extensible display devices in tiled display is increased.

The utility model relates to the technical field of data lines, in particular to an optical fiber HDMI (High Definition Multimedia Interface) data line, which comprises a cable and a protective prompt connecting assembly, the protective prompt connecting assembly comprises a disassembly disc, a joint, a placement cavity, a connecting end, a fluorescent sheet and an anti-collision strip, the disassembly disc is detachably connected with the cable and is positioned at one end of the cable, the joint is fixedly connected with the disassembly disc, and the placement cavity is positioned at the other end of the cable. The placing cavity is fixedly connected with the connector and located on the side, away from the interior of the disassembling disc, of the connector, the connecting end is fixedly connected with the connector and located on the side, away from the interior of the connector, of the connector, the fluorescent piece is detachably connected with the connector, and the anti-collision strip is detachably connected with the connector and located on the side, away from the disassembling disc, of the connector. Therefore, the original beneficial effects are kept, and the problems that the existing HDMI data line is easy to wear when being dragged and has no effective identification assembly, so that the plug is reversely plugged when being plugged, and the contact pin of a person is damaged are actively and effectively solved at the same time.

The present disclosure provides a method of controlling a high-definition multimedia interface (HDMI). The method can include reading, by a source device, an extended display identification data (EDID) of a sink device when the sink device is connected with the source device, writing information about the source device into a state and control data channel (SCDC) structure, and reading the EDID again by the source device based on a predetermined field value included in the SCDC structure.

The present disclosure relates to a device and a method for supporting audio and video synchronization. Specifically, the present disclosure relates to a device and a method for a source device to transmit an audio packet and a video packet which include common time information (a time stamp) to a sink device through an interface such as High-Definition Multimedia Interface (HDMI), DisplayPort, and the like, and the sink device to perform synchronization between audio and video by using the time information.

The application relates to a display device and a driving updating method thereof, and relates to the technical field of display devices. The display device comprises at least one high-definition multimedia interface (HDMI) used for connecting external devices; the external devices comprise external video source devices and external audio output devices; a display is used for content display; a loudspeaker is used for audio output; at least one controller is connected with the display and is configured to: in the case of entering a double-window mode, storing first extended display identification data (EDID) of each HDMI in a single-window mode, and updating HDMI driving according to the double-window mode; storing audio-video description information matched with a currently used audio output device; in the case of exiting the double-window mode, determining to-be-updated information in the HDMI driving according to the audio-video description information and the first EDID, and updating the to-be-updated information in the HDMI driving, so that the number of display black screen times is reduced.

The invention discloses a high-definition multimedia interface fixed rate link error correction system. Comprising a scrambling code reset and super block start correlator, a scrambling code reset / super block lock detector coupled to the scrambling code reset and super block start correlator, a scrambling code reset / super block lock detector coupled to the scrambling code reset / super block lock detector, a scrambling code reset / super block predictor coupled to the scrambling code reset / super block correlator, and a super block predictor coupled to the scrambling code reset / super block lock detector. A scrambling code reset / super block bit error corrector of the scrambling code reset / super block lock detector and the scrambling code reset / super block predictor, and a scrambling code reset / super block detector coupled to the scrambling code reset / super block bit error corrector. The scrambling code reset and super block start correlator is used for correlating an input scrambling code reset signal with a scrambling code reset signal or correlating an input super block signal with a super block signal and correspondingly generating a correlation result. The scrambling code reset / super block lock detector is used for setting a lock flag according to the correlation result.

A method for fast starting up a television display function and a television system are provided. In the method, when a television device is powered on, the television system operated in the television device performs a hardware initialization and a fast start-up procedure. In the fast start-up procedure, a set of picture-quality parameters is loaded to the television system from a storage circuit. Display parameters of the television device are configured according to the picture-quality parameters, accordingly, a display of the television device starts to display a picture. The picture can be produced from image signals received through an external source such as a high-definition multimedia interface (HDMI) or a Display Port, a type-C interface, or other sources of the television device. The picture-quality parameters are collected and stored in the storage circuit during operation of the television system after the operating system booting procedure is completed.

The application provides an FPGA-accelerated multi-source image synchronous acquisition system of a panoramic conference camera, and belongs to the technical field of image processing.The system comprises a data acquisition and processing module, which is used for acquiring multi-source image data in real time and processing the multi-source image data based on FPGA hardware to obtain high-definition multimedia interface image data; a data transmission and protocol conversion module, which is used for converting the high-definition multimedia interface image data into standard universal serial bus image data for transmission; and an upper computer auxiliary processing module, which is used for performing lightweight distortion correction processing on the standard universal serial bus image data to obtain panoramic conference image data.The technical scheme of the application can overcome the defects of high multi-image splicing delay and poor real-time performance of the traditional scheme.