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66results about "Conversion with high definition standard" patented technology
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Video slow-action frame insertion playback system based on generative adversarial network
The invention relates to the technical field of image communication, in particular to a video slow-action frame insertion playback system based on a generative adversarial network, which comprises a video signal acquisition module, a signal processing module, a frame rate conversion module and a playback code output module. The acquisition module outputs an original video frame sequence through an annular buffer; the processing module separates the denoised detail components and the edge gradient features in parallel; the frame rate conversion module uses a geometric structure as a boundary locking condition to guide detail components to execute nonlinear motion compensation and intermediate frame reconstruction; and the playback module executes time base remapping and distributed coding transmission. According to the invention, through a depth generation architecture of structural constraint textures, in combination with space-time consistency verification and a nearest neighbor pixel backfilling mechanism and a virtual time base rate decoupling technology, real-time slow-action video redisk with high signal-to-noise ratio and no artifacts for a high-speed moving target is realized.
Owner:XINAOTE (NANJING) VIDEO TECH CO LTD
Reception device, method for controlling reception device, and transmission / reception system
PendingUS20260052223A1Cathode-ray tube indicatorsElectrical cable transmission adaptationComputer hardwareCommunication unit
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.
Owner:SATURN LICENSING LLC
Reception device, method for controlling reception device, and transmission / reception system
ActiveUS12425536B2Cathode-ray tube indicatorsElectrical cable transmission adaptationComputer hardwareCommunication unit
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.
Owner:SATURN LICENSING LLC
Docking device and method with video capturing function
ActiveUS12418626B2Digital data processing detailsElectrical cable transmission adaptationVideo processingData signal
A docking device and method with video capturing function are provided. The docking device includes a first interface, an output interface, a second interface, a first video processor and a video capturing device. The docking device receives a first input video signal or a second input video signal from the first interface or the second interface. The first video processor generates a first output video signal with an output format in response to the first input video signal or the second input video signal. The video capturing device generates a second output data signal with a format of the Universal Serial Bus in response to the first input video signal or the second input video signal.
Owner:AVERMEDIA TECH
Profile-based standard dynamic range and high dynamic range content generation
A method for converting a source video content constrained to a first color space to a video content constrained to a second color space using an artificial intelligence machine-learning algorithm based on a creative profile.
Owner:WARNER BROS ENTERTAINMENT INC
HDMI one-way transmission security enhancement method and device
PendingCN121000836ATelevision system detailsColor television detailsTransmission technologyTransmission channel
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.
Owner:NO 30 INST OF CHINA ELECTRONIC TECH GRP CORP
An arbitrary resolution HDMI prototype verification device and method
ActiveCN120614427BConversion with high definition standardHigh-definition television systemsImage resolutionHDMI
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.
Owner:INNOSILICON MICROELECTRONICS (WUHAN) CO LTD
Display signal output circuit in ultrasonic product and ultrasonic product
The invention relates to the technical field of ultrasound, and discloses a display signal output circuit in an ultrasonic product and the ultrasonic product, the circuit comprises a hot plug detection module, a differential signal one-to-two module and an HDMI-to-S-Vedio module, the hot plug detection module detects the in-place state of HDMI and S-Vedio display equipment and feeds back the in-place state to a CPU; the differential signal one-to-two module divides a single-path HDMI differential signal output by the CPU into two paths, one path is directly output to the HDMI display device, and the other path is converted into an S-Vedio signal through the HDMI-to-S-Vedio module and then output to the S-Vedio display device. One HDMI signal source is expanded into two different video signals to be output, the problem that CPU video signals are insufficient is solved, and the circuit is simple in structure, flexible in design and suitable for multi-screen display scenes of ultrasonic products.
Owner:SHENZHEN COMEN MEDICAL INSTR
Video conversion technology
ActiveUS12610022B2Cathode-ray tube indicatorsDigital video signal modificationComputational scienceComputer graphics (images)
Video conversion technology, in which a first stream of video content is accessed and multiple, different layers are extracted from the first stream of the video content. Each of the multiple, different layers are separately processed to convert the multiple, different layers into modified layers that each have a higher resolution. The modified layers are reassembled into a second stream of the video content that has a higher resolution than the first stream of the video content.
Owner:WARNER BROS ENTERTAINMENT INC
Phase synchronization detection system and method for multipath HDMI signals
The invention provides a phase synchronization detection system and method for multipath HDMI signals, and the method comprises the steps: receiving multipath HDMI input signals transmitted by a corresponding decoding card group through each phase detection device, and extracting phase detection data from the multipath HDMI input signals; performing multi-dimensional cross comparison on the phase detection data through a phase analysis algorithm to obtain deviation detection data; performing dynamic coding compression on the deviation detection data to obtain compressed detection data; distributing priority labels to the compressed detection data according to different types; transmitting the compressed detection data to the user terminal according to the priority label; the user terminal receives the compressed detection data sent by the plurality of phase detection devices at the same time, and decodes the compressed detection data to obtain deviation detection data; generating a phase comparison diagram updated in real time according to the deviation detection data; and each phase detection device is externally connected with a display for displaying a comparison diagram of each path of HDMI input signals received by the phase detection device.
Owner:BEIJING DIGITAL VIDEO HARD TECHNOLOGY CO LTD
Sink device, source device, and control methods for same
ActiveUS12665736B2Transmitter/receiver shaping networksSynchronising arrangementComputer hardwareEmbedded system
A sink device comprising a connector which has a first ground (GND) corresponding to a first standard; and a processor which receives a signal from a source device, via the connector, and if the received signal is of a second standard corresponding to a second GND that includes the first GND, requests, from the source device, information about the signal of the second standard.
Owner:SAMSUNG ELECTRONICS CO LTD
Signal processing method, device and storage medium based on distributed system
ActiveCN120529124BSelective content distributionVideo signal spatial resolution conversionTarget signalImage resolution
The application discloses a signal processing method and device based on a distributed system and a storage medium, relates to the technical field of electric communication, and receives an original output signal of an ultra-high-definition signal source through a digital input interface, determines the resolution of a spliced display terminal and a target display area, performs stretching operation on the original output signal according to the resolution, performs area cutting on the stretched original output signal according to the target display area, determines a target signal, synchronizes the processed target signal to sub-distributed codec devices in the same group through a cascade architecture, and finally drives digital output interfaces of the sub-distributed codec devices to transmit the target signal to corresponding sub-screens of the spliced display terminal. The application processes the ultra-high-definition signal through multiple distributed codec devices in the distributed codec device and transmits the signal to corresponding sub-screens, so that the image display quality is improved and the image display delay is reduced.
Owner:SHENZHEN TENDZONE INTELLIGENT TECH
Method for converting an image and corresponding device
The invention relates to a method for converting an input image comprising input luminance components constituted by elements into an output image comprising output luminance components constituted by elements, the output luminance component values having different range extensions than the corresponding ranges of input luminance component element values. The method comprises, for the input image, computing a general variable value representative of at least two input luminance component element values, transforming each input luminance component element value into a corresponding output luminance component element value as a function of the computed general variable value, and converting the input image using the determined output luminance component element values. The transforming step uses a set of predetermined output values organized into a 2D lookup table (2D LUT) comprising two input arrays indexing respectively a set of selected input luminance component values and a set of selected general variable values, each predetermined output value matching a pair of values constituted by an indexed input luminance component value and an indexed general variable value, the input luminance component element value being transformed into an output luminance component element value using at least one predetermined output value.
Owner:FUNDACIÓN BIKAM
HDMI FRL correction system and method thereof
ActiveUS20260075267A1Television system detailsSelective content distributionSoftware engineeringSignal correlation
An HDMI FRL error correction system includes a SR / SSB correlator, an SR / SSB lock detector coupled to the SR / SSB correlator, an SR / SSB predictor coupled to the SR / SSB lock detector, an SR / SSB bit error corrector coupled to the SR / SSB correlator, the SR / SSB lock detector and the SR / SSB predictor, and an SR / SSB detector coupled to the SR / SSB bit error corrector. The SR / SSB correlator is used to correlate an input SR signal to a SR signal or correlate an input SSB signal to a SSB signal and generate a correlation result accordingly. The SR / SSB lock detector is used to set a lock flag according to the correlation result.
Owner:MEDIATEK INC
Dual-to-single and single-to-dual transmission methods and HDMI dual-pixel transmission method and device
ActiveCN120602611ATelevision signal transmission by single/parallel channelsConversion with storage device usageClock ratePhysical layer
According to the dual-to-single and single-to-dual transmission method and the HDMI dual-pixel transmission method and device provided by the invention, the FIFO is matched with the state machine, so that the phenomenon that an asynchronous FIFO read clock is faster than a write clock and is easy to empty when a video stream is subjected to dual-pixel-to-single-pixel conversion is avoided. Through the two write request signals which are set by the flipping signal, have opposite levels and respectively control the write enable of the two asynchronous FIFOs, the conditions that the write clock is faster than the read clock and the depth of the FIFO is insufficient when the video stream is processed by the asynchronous FIFOs subsequently, the write clock is faster than the read clock, and the data is covered when the write operation is continued are prevented. Pixel conversion is carried out on the peripheries of the transmitter IP core and the receiver IP core of the HDMI interface, the dual-pixel transmission function can be achieved under the condition that the original IP core input bit width is not changed, the bit width of a data bus is increased through dual-pixel transmission, the working clock frequency of the physical layer IP core of the serial deserializer is remarkably reduced, and meanwhile the data throughput is improved.
Owner:EHIWAY MICROELECTRONIC SCI & TECH (SUZHOU) CO LTD
Foldable wireless audio and video conference device
PendingCN120639927ATelevision system detailsTelevision conference systemsElectrical batteryBattery cell
The invention discloses a foldable wireless audio and video conference device, and an emitter device comprises a housing and a shooting rod assembly. A function assembly is fixedly installed in an inner cavity of the shell, the shooting rod assembly is folded and unfolded through rotating fit of a rotating shaft assembly fixed to the shooting rod assembly and a connecting support fixedly installed on the shell, the shell is provided with a power socket, and the function assembly comprises a battery. And the battery is fixedly mounted on the weighting iron and arranged at the bottom of the inner cavity of the shell, and the camera has the beneficial effects of flexibility in power supply selection, convenience in structure carrying and transportation, stability in use and good signal transmission and shooting experience.
Owner:SHENZHEN KERUN VISUAL TECH CO LTD
Type-C to four-path HDMI video docking station system and device
PendingCN121531086ATelevision system detailsDigital data processing detailsDaisy chainDisplay device
The invention relates to the field of display equipment interface expansion, and discloses a Type-C to four-path HDMI video docking station system and device, and the system comprises an input module which is used for receiving a Type-C or DisplayPort video signal from a host; the multi-stream transmission distribution module is used for distributing the input video signal into multiple paths, one path is output to the protocol conversion module, and the other path is output to the next-stage multi-stream transmission distribution module as a daisy chain; and the protocol conversion module is used for converting the DisplayPort signal output by the multi-stream transmission distribution module into an HDMI (High Definition Multimedia Interface) signal. A physical link from single-path input to four-path HDMI output is realized in a single docking station through a four-stage cascade chip group, and signal splitting and protocol conversion are synchronously completed at each stage, so that a common HDMI display is directly accessed to a system, a four-screen independent display function is realized through pure hardware, and the compatibility and expansion capability of common display equipment are improved.
Owner:SHENZHEN PARAMOUNT TECH CO LTD
Universal docking station with high-speed data transmission and high resolution
ActiveUS20250317530A1Electric digital data processingConversion with high definition standardDocking stationData information
A universal docking station with high-speed data transmission and high resolution is provided, including two parallel PCB circuit boards each connected to a TB4 upstream port, a TB4 downstream port, an HDMI port, a USBA 10 G port, and a USBC 10 G port. Each main control circuit is provided with a Thunderbolt 4 controller. A computer can be connected through the TB4 upstream port. The TB4 upstream port is connected to the TB4 downstream port through the main control circuit and PD control circuit. Through the TB4 downstream facing port, input and output video signals and data signals converted by the main control circuit and PD control circuit can be transmitted. Through the main control circuit and video conversion circuit connected to the HDMI port, video signals can be transmitted, and data information can be transmitted through the USBA 10 G port.
Owner:JIANGXI KINGTRON TECH CO LTD
Methods for converting an image and corresponding devices
Owner:FOND B COM
A dual-to-single and single-to-dual transmission method and a HDMI dual-pixel transmission method and device
ActiveCN120602611BTelevision signal transmission by single/parallel channelsConversion with storage device usageClock ratePhysical layer
The application provides a double-to-single and single-to-double transmission method, a HDMI double-pixel transmission method and a device. The FIFO and the state machine are matched, so that when the video stream is converted from double pixels to single pixels, the phenomenon that the asynchronous FIFO reading clock is faster than the writing clock and the FIFO is easily read empty is avoided. The writing request signal of the two asynchronous FIFO writing enables controlled by the two levels opposite to the flip signal is set, so that the subsequent asynchronous FIFO processing video stream is prevented from being full and the data is covered when the writing clock is faster than the reading clock and the FIFO depth is insufficient. The pixel conversion is performed outside the transmitter IP core and the receiver IP core of the HDMI interface, so that the double-pixel transmission function is realized under the condition that the original IP core input bit width is unchanged. The bit width of the data bus is increased through the double-pixel transmission, the working clock frequency of the physical layer IP core of the serial deserializer is significantly reduced, and the data throughput is improved.
Owner:EHIWAY MICROELECTRONIC SCI & TECH (SUZHOU) CO LTD
Electronic device, method, and computer readable medium for providing screen sharing service through external electronic device
An electronic device including at least one memory; a first display; a communication circuit; and at least one processor. The at least one processor is configured to while displaying multimedia content on the first display, receive capability data of an external electronic device for indicating that change of a posture of a second display of the external electronic device is available. The at least one processor is also configured to determine a posture of the second display corresponding to a display direction of the multimedia content. The at least one processor is further configured to transmit posture control information for indicating the determined posture to the external electronic device. Additionally, the at least one processor is configured to transmit streaming data of the multimedia content displayed on the first display to the external electronic device in order to display the multimedia content on the second display.
Owner:SAMSUNG ELECTRONICS CO LTD
High-definition multimedia interface fixed rate link correction system and method thereof
PendingCN121644794ATelevision system detailsColor television detailsComputer hardwareTelecommunications
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.
Owner:MEDIATEK INC
Video processor, video processing method, display control system and electronic device
A video processor, a video processing method, a display control system and an electronic device. The video processor comprises a receiving module, a preprocessing module, a picture quality processing module, a post-processing module and a video output module, so that the video receiving, video preprocessing, video picture quality processing, video post-processing and video output functions can be integrated in one system. Compared with the distributed system, the integrated video processor reduces the connection and data interaction between the processing cores, improves the system stability, and reduces the influence of power consumption and electromagnetic compatibility problems on the system.
Owner:BOE TECHNOLOGY GROUP CO LTD
HDMI / FC-AV gateway conversion delay measurement system and method
The invention relates to an HDMI / FC-AV gateway conversion delay measurement system and method, belongs to the technical field of gateway conversion delay measurement, and solves the problem that the existing gateway conversion delay measurement depends on professional measurement. The system comprises a test frame data generation module which generates corresponding test frame data according to randomly generated color values of test pixels; the test pixel pulse generation module is used for carrying out numerical value comparison on the video data signal and the test pixel color value and generating a test pixel pulse signal; the HDMI sending module converts the test frame data into an HDMI video signal, and a reference video data signal is obtained through a tested HDMI / FC-AV gateway and an FC-AV link layer; the test point pixel searching module is used for carrying out numerical value comparison on the reference video data signal and the test pixel color value to generate a reference test pixel pulse signal; and the conversion delay measurement module obtains conversion delay according to the reference test pixel pulse signal and the test pixel pulse signal.
Owner:COMP APPL TECH INST OF CHINA NORTH IND GRP
Video slow motion frame interpolation and playback system based on generative adversarial network
ActiveCN121603722BEliminate ghostingEliminate tearingTelevision system detailsBiological modelsNoise (video)Frame sequence
The application relates to the technical field of image communication, in particular to a video slow-motion frame insertion playback system based on a generative adversarial network, which comprises a video signal acquisition module, a signal processing module, a frame rate conversion module and a playback encoding output module. The acquisition module outputs an original video frame sequence through a ring buffer; the processing module parallelly separates a detail component after denoising and an edge gradient feature; the frame rate conversion module uses a geometric structure as a boundary locking condition, guides the detail component to execute nonlinear motion compensation and intermediate frame reconstruction; and the playback module executes time base remapping and distributed encoding transmission. Through a structure constraint texture depth generation architecture, in combination with a space-time consistency check and a nearest neighbor pixel backfilling mechanism and a virtual time base rate decoupling technology, the application realizes real-time slow-motion video review for high-speed moving targets with high signal-to-noise ratio and no artifacts.
Owner:XINAOTE (NANJING) VIDEO TECH CO LTD
Dynamic code rate adjustment data transmission method based on HDMI (High Definition Multimedia Interface)
PendingCN120676114ASelective content distributionConversion with high definition standardIp addressTerm memory
A dynamic code rate adjustment data transmission method based on HDMI comprises the following steps: initializing a sending end MJPEG video encoder and a PCM audio encoder, and requesting to allocate an IP address; monitoring a multicast message sent by a receiving end, obtaining a paired receiving end and storing an IP address of the paired receiving end; starting an MJPEG video encoder and a PCM audio encoder, and setting a video encoding code rate, a frame rate, an audio encoding format and a bit rate; an HDMI input source signal is detected, if the HDMI input signal is detected, MJPEG and PCM data buffer memories are allocated, a video code rate code table is initialized and adjusted, and PCM coding and network sending processing and MJPEG coding and network sending processing are started; and circularly monitoring the multicast message of the receiving end, updating the IP address of the receiving end if the serial number in the received message is the same as the serial number in the sending end, and then continuously monitoring. Through congestion control in the data transmission process, the HDMI signal long-distance transmission quality and stability can be effectively improved, and the problem that long-distance transmission wiring is difficult is solved.
Owner:ZHUHAI HI-CHIP SEMICON LTD
Power saving method of high-definition multimedia interface and high-definition multimedia interface receiving device
PendingCN120786010ATelevision system detailsDigital data processing detailsTelecommunicationsHigh bandwidth
The invention provides a power saving method of a high-definition multimedia interface and a high-definition multimedia interface receiving device. The receiving device is provided with at least one HDMI port. The receiving device is used for receiving a data frame through a fixed rate link (FRL). The method comprises the following steps: when an effective pixel is detected, turning off a power supply of an HDMI port in a power-off interval; and after the power-off interval is completed, turning on a power supply of the HDMI port in a power-on interval. The power-on interval comprises at least one messy code reset interval (TSR) and a high bandwidth digital content protection (HDCP) interval, and the high bandwidth digital content protection (HDCP) interval is arranged in the power-on interval.
Owner:MEDIATEK INC
Method for driving a liquid crystal display device
To provide an illumination device which can precisely control brightness for each area.SOLUTION: An illumination device includes a threshold, a plurality of light sources, a spacer and a diffuser panel. The plurality of light sources and the spacer are surrounded with the threshold. The height of the threshold is made higher than that of the plurality of light sources, and an interval between the threshold and the diffuser panel is made shorter than the height of the threshold. An interval between the threshold and the diffuser panel is made longer than the height of the light source. Thus, it is possible to prevent light leakage from the light source to the outside of the threshold, and precisely control brightness for each area.SELECTED DRAWING: Figure 10
Owner:SEMICON ENERGY LAB CO LTD
Wireless audio and video conference device
The invention discloses a wireless audio and video conference device, which adopts the combination of software and hardware, breaks through the limitation of traditional wired transmission, realizes wireless multi-source cooperative transmission, needs to connect a large number of power lines and signal lines in the traditional transmission, is tedious in operation and only supports one-to-one transmission, but adopts a wireless signal transmitting and receiving technology. The audio / video and image signals of a plurality of computers, cameras, high-speed shooting instruments and other devices can be integrated at the same time, remote wireless sharing is achieved under the condition that no external data line is needed, wiring constraint is thoroughly eliminated, and the problem that a traditional mode is disordered and limited is solved.
Owner:SHENZHEN KERUN VISUAL TECH CO LTD
Image processing method and system and medium
PendingCN121922064ATelevision system detailsStatic indicating devicesComputer hardwareImaging processing
The invention relates to an image processing method and system and a medium, and the method comprises the following steps: an ARM main control chip splits a to-be-displayed high-resolution original image into N paths of sub-image signals according to a target display resolution and a single-path maximum support resolution of a rear-end FPGA chip, and transmits the N paths of sub-image signals to a signal conversion chip, N is an integer greater than 1, and N is an integer greater than 1; the resolution of each sub-image does not exceed the single-path maximum support resolution of the FPGA chip; the signal conversion chip converts the N paths of sub-image signals into N paths of image signals in a format which can be supported by the rear-end FPGA chip and transmits the N paths of image signals to the FPGA chip; and the FPGA chip splices the received N paths of image signals into a complete image frame with the resolution consistent with that of the original image according to preset layout information, and then outputs the complete image frame. According to the invention, intelligent image splitting is carried out on the front-end ARM chip, and accurate image splicing is carried out on the rear-end FPGA chip, so that ultra-high-definition and high-resolution display of the LED screen is realized on the premise of not upgrading the hardware of the rear-end chip.
Owner:SHENZHEN HUIDU TECH