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51 results about "Matrix type" patented technology

There are several types of matrices, but the most commonly used are: Rows Matrix. Columns Matrix. Rectangular Matrix. Square Matrix. Diagonal Matrix. Scalar Matrix. Identity Matrix.

Intelligent fault diagnosis and self-healing method and system for low-voltage standardized cabinet

The invention provides an intelligent fault diagnosis and self-healing method and system for a low-voltage standardized cabinet, and belongs to the technical field of standardized cabinet fault diagnosis and self-healing control based on deep learning. The method comprises the following steps: firstly, by constructing a digital twin system and adopting a three-dimensional matrix type sensor layout, collecting data containing a limit fault working condition and fusing sensor position information, completing the construction of a fault diagnosis data set; then designing an intelligent fault diagnosis model to realize fault type judgment and position sensing; meanwhile, a fault self-healing reinforcement learning model is constructed, and a fault state feature representation network, a repair strategy network and reward strategy design are covered; and finally, constructing a reinforcement learning multi-stage action step execution strategy based on the model framework to gradually guide strategy iteration, and ensuring the safety and efficiency of fault self-healing operation so as to optimize the overall performance of the model. According to the invention, full-process automation from fault diagnosis to fault self-healing is realized, and the automation and intelligence degree of fault detection is greatly improved.
Owner:山东爱电智造装备有限公司

Matrix type plane temperature field monitoring system and method based on temperature-sensitive diodes

The invention discloses a matrix type temperature detection system and method based on temperature-sensitive diodes, the problems of complex wiring and large temperature drift of a traditional multi-node temperature measurement system are solved through M * N matrix layout, row and column time-sharing gating and constant current driving technologies, the system adopts an independent column constant current source to ensure the measurement consistency, and a high-precision ADC and a dynamic calibration algorithm are combined, so that the measurement accuracy is improved. And the precision of + / -0.2 DEG C is realized within the range of 50-150 DEG C. The method is particularly suitable for high-density temperature measurement scenes such as battery thermal management, electronic equipment overheating monitoring and the like.
Owner:SHANXI ZHITEXI NEW ENERGY TECHNOLOGY CO LTD

Intelligent sickbed control method based on matrix pressure sensor modeling

The invention relates to the technical field of control, in particular to an intelligent sickbed control method based on matrix pressure sensor modeling. The method comprises the following steps that a matrix type pressure sensor network is arranged in a mattress, and an inflation structure soft bag with an inflation and deflation valve is correspondingly arranged in a blank grid block, so that a matrix type pressure sensing intelligent sickbed is obtained; acquiring pressure data corresponding to each sensing point location of a user in real time by using a matrix type pressure sensing intelligent sickbed, and performing pressure distribution matrix modeling to obtain an intelligent sickbed pressure distribution matrix model; and acquiring an intelligent sickbed pressure matrix mean value and an intelligent sickbed pressure matrix standard deviation, performing pressure difference block division and inflation and deflation amount compensation calculation, and acting on the inflation structure soft package to perform inflation control response and deflation control response so as to execute corresponding intelligent sickbed pressure inflation and deflation control work. According to the invention, real-time monitoring and feedback control of the pressure state of the intelligent sickbed user can be realized.
Owner:SHENZHEN DAYIN MEDICAL TECH CO LTD

Matrix type dynamic partition PWM control device and method

The invention relates to the technical field of LED lamp control, in particular to a matrix type dynamic partition PWM control device and method. The method comprises the following steps: performing parallel branch control node analysis on an LED array, and calculating a branch initial impedance value of a branch to obtain a branch reference impedance spectrum; continuously driving the LED array during the normal working period of the LED array, and performing temperature value compensation through the branch reference impedance spectrum to obtain dynamic branch temperature distribution data; according to the dynamic branch temperature distribution data, electric-thermal duty ratio compensation is carried out on each branch in the LED array, and partition modulation degree data is generated; bistable voltage waveform analysis is carried out according to partition modulation degree data, and then matrix type dynamic partition PWM control is achieved. According to the invention, an electric-thermal comprehensive compensation and phase deviation control mechanism is adopted, the dynamic partition management of the LED array is realized, and the problems of hot spot suppression and uniform light emission of the large-scale LED array are solved.
Owner:XINYANG CENT SEMICON TECH CO LTD

Matrix type foam wave-absorbing material based on coding metamaterial concept and preparation method of matrix type foam wave-absorbing material

The invention provides a matrix type foam wave-absorbing material based on a coding metamaterial concept, and the matrix type foam wave-absorbing material based on the coding metamaterial concept comprises a bottom plate and units which are periodically arranged on the bottom plate. The information coding concept is introduced into metamaterial design, discrete units are arranged according to a specific coding rule, and electromagnetic waves are flexibly regulated and controlled while the inherent advantages of a foam wave-absorbing material are reserved. Besides, different wave-absorbing units are coded and combined, so that multi-band synergistic absorption can be realized, the overall density of the material can be reduced by optimizing unit distribution, the design concept breaks through a single performance optimization mode of a traditional material, and a new paradigm is provided for developing a novel wave-absorbing material with multiple functions of invisibility, bearing, sensing and the like. And the structure is simple, the preparation method is simple and convenient, modular assembly is easy, and engineering application is facilitated.
Owner:湖南工商大学

Detection system, device and method for matching degree of detection reagent card shell

The invention relates to the field of distance measurement, and particularly discloses a detection reagent card shell adaptability detection system, which is used for detecting a detection reagent card shell filled with magnetic powder, and comprises a matrix type magnetic field detection module, a processing module and a magnetic field imaging module, the matrix type magnetic field detection module comprises a substrate and magnetic field sensors, the magnetic field sensors are fixed on the substrate in an array mode, and the magnetic field sensors are used for collecting magnetic field intensity signals at different positions in the plane of the outer side of the to-be-detected reagent card shell and converting the magnetic field intensity signals into electric signals to be output; the processing module is used for getting close to the to-be-detected reagent card shell after the matrix type magnetic field detection device is started. By the adoption of the technical scheme, key information such as the actual fitting degree, pressing force distribution and local gaps of the internal test strip and the card shell can be obtained, and the specific position of the assembly problem can be accurately positioned.
Owner:CHENGDU HEERKANG MEDICAL TECHNOLOGY CO LTD

Multilayer matrix type mechanical screen

The invention relates to the technical field of mechanical screens, and discloses a multi-layer matrix type mechanical screen which comprises a first frame and a second frame which are stacked, a first screen is installed in the first frame, a second screen is installed in the second frame, and a base used for keeping balance is installed below the first frame. A rotating adjusting assembly is connected between the first frame and the second frame and is composed of a fixing base fixedly connected to the upper end of the first frame and a rotating piece assembled and connected to the lower end of the second frame, the fixing base and the rotating piece are connected in a matched mode, and an assembling groove is formed in the edge of the end, facing the rotating piece, of the fixing base in an embedded mode. A plurality of sets of mounting holes are formed in the rotating piece in a penetrating mode, inserting rods are fixedly connected to the positions, opposite to the assembling grooves, of the rotating piece, and the inserting rods are correspondingly matched with the assembling grooves. The display rack is stable in arrangement and very convenient to adjust, can be stacked in multiple layers according to needs, and can cope with display in multiple directions.
Owner:惠州市建达强科技有限公司

Carbon emission comprehensive evaluation method and system for matrix type flue gas flow measurement

PendingCN120801624AGas analyser construction detailsFlue gasMatrix expression
The invention discloses a carbon emission comprehensive evaluation method and system for matrix type flue gas flow measurement, and the method comprises the steps: collecting multi-source time sequence data of a matrix type flow sensor, and carrying out the preprocessing of the multi-source time sequence data to generate matrix type time sequence flow data; calculating flow velocity vector time sequence data through an optical flow estimation algorithm; performing empirical mode decomposition to obtain an intrinsic mode function component and a residual component; performing spatial alignment and correlation analysis, and extracting multi-scale flow characteristic data; evaluating the carbon emission according to a carbon emission rule in combination with the characteristic data; and detecting abnormity, and outputting carbon emission abnormity early warning and working condition response. According to the invention, total cross-section dynamic measurement and high-precision carbon emission comprehensive evaluation of industrial flue gas flow are realized, and an abnormal real-time early warning function is realized.
Owner:NANJING ZEYI POWER ENG CO LTD

Matrix type differential passivity index determination method and device, equipment and storage medium

The invention relates to a matrix type differential passivity index determination method and device, equipment and a storage medium. The method comprises the following steps: acquiring a linear system model corresponding to target equipment in a power system, wherein the power system is a multiple-input multiple-output system; determining a corresponding differential passivity equivalent system model according to the linear system model; based on the linear matrix inequality, a matrix type passivity index of the differential passivity equivalent system model is solved, the matrix type passivity index is used as a matrix type differential passivity index of the linear system model, the matrix type differential passivity index is in a matrix form, and the matrix type differential passivity index is used as a differential passivity index of the linear system model; matrix elements in the ith row and the jth column in the matrix represent coupling passivity characteristics between an input channel i and an output channel j in the power system. By adopting the method, the passivity characteristics in the MIMO dynamic system can be represented more accurately and comprehensively.
Owner:TSINGHUA UNIVERSITY +1

Mould for laminated glass production

The utility model relates to the technical field of dies, in particular to a die for laminated glass production, which comprises a lower die and an upper die arranged above the lower die, a forming cavity is arranged in the lower die, a flexible cushion pad is arranged on the bottom wall of the forming cavity, a plurality of annular grooves arranged in a matrix mode are arranged on the bottom wall of the forming cavity, and the upper die is arranged in the lower die. A through hole communicated with the outside is formed in the center of the bottom wall of the annular groove, an ejection assembly is arranged on the lower die and comprises a second air cylinder arranged below the lower die, a supporting plate is fixedly installed at the tail end of a telescopic shaft of the second air cylinder, and a plurality of guide columns arranged in a matrix mode are fixedly installed on the upper surface of the supporting plate. The guide column is located in the through hole and is in sliding connection with the through hole, a rubber ejection disc is detachably connected to a rod body at the top end of the guide column, and the rubber ejection disc is contained in the annular groove. According to the utility model, the ejection unloading operation is convenient, and meanwhile, the glass is not easy to abrade.
Owner:HEBI XUYAO GLASS TECHNOLOGY CO LTD

A multi-layered composite seedling raising substrate sheet

The utility model relates to multilayer composite seedling substrate board technical field especially is a kind of multilayer composite seedling substrate board, including bearing ring frame and barrier cultivation box, bearing ring frame inside is equipped with multiple matrix type distribution barrier cultivation box, bearing ring frame both sides are fixedly connected with storage mechanism, support mechanism is installed in the inside of storage mechanism by clockwork spring, control mechanism is installed in the middle position of storage mechanism;Storage mechanism includes support shell, shell inner cavity for receiving support mechanism is set in the upper end of support shell, round groove is set in the upper end of shell inner cavity inside, in the practical application process in the utility model, multiple multilayer composite seedling substrate boards can be stacked together and used, installation is more convenient, and in the process of multilayer composite seedling substrate board idleness, support for connection can be received in the support shell inside set in the both sides of multilayer composite seedling substrate board, the space occupied when receiving multilayer composite seedling substrate board can be reduced.
Owner:JIANGSU PEILEI MATRIX TECH DEV CO LTD

Vector processor functional verification method and system

PendingCN122364012AReduce difficultyReduce the amount of codeReference modelingData format
This invention discloses a method and system for verifying the functionality of a vector processor. The method unifies matrix, vector, and scalar data formats into a matrix type using a reference model. Multi-input interface data is stored in corresponding data queues in the form of address plus data. The required computational data is extracted according to the current instruction, and unused data is stored back to the original queue. Expected output data at the clock cycle level is generated and compared with the actual output data of the vector processor to determine functional correctness. The system includes an instruction generator module, a controller module, a data generation module, a reference model module, a data collection module, and a data comparator module. This invention can improve the accuracy of vector processor fault location, simplify verification logic, and improve overall verification efficiency.
Owner:奕算智能科技(上海)有限公司 +1

Matrix type detection method and device for new energy automobile lamp circuit board

The invention discloses a matrix type detection method and a test device for a new energy automobile lamp circuit board, and belongs to the technical field of the matrix type detection method for the new energy automobile lamp circuit board, and the matrix type detection method comprises the following steps: matching a matrix type jig and a customized tool with a region decoding system; one-time parallel, high-speed and non-contact identification is carried out by the programmable digital power supply, the test system and the parameter sampling module, the efficiency and accuracy of the innovation are far higher than those of manual single-point scanning in the prior art, a foundation is laid for subsequent parallel and efficient sequential tests, and the overall test efficiency is greatly improved.
Owner:CHONGQING YULONG OPTOELECTRONICS TECH CO LTD

Matrix type light source myopia therapeutic apparatus

The utility model discloses a matrix type light source myopia therapeutic apparatus, which comprises a therapeutic apparatus main body, the matrix light source is arranged in the therapeutic apparatus main body; the light shielding plate is connected to one side of the matrix light source; the lens is arranged on one side, far away from the matrix light source, of the shading plate; the binding assembly is connected with the therapeutic apparatus main body; and the control box is arranged in the therapeutic apparatus main body. Each light source is electrically connected with the control box, so that each unit of the matrix light source can be independently controlled, the brightness, the color and the light emitting mode of each light source can be adjusted according to needs, a complex light effect is achieved, a target area of a treatment light beam can be accurately positioned by controlling a switch of each light source, and the treatment effect is improved. The on or off of the light source can be adjusted in a targeted manner in different eye areas or different treatment stages, so that the optimal treatment effect is achieved.
Owner:安徽亿泽控股集团有限公司

Matrix type adjustable resistance tester

The utility model relates to the technical field of resistance testers, in particular to a matrix type adjustable resistance tester, which comprises a box body, a box cover and a matrix type adjustable resistance device, the box cover is detachably installed on the top of the box body, the matrix type adjustable resistor device is installed inside the box body and comprises a power module, a microprocessor, a measuring circuit, a matrix switch, a standard resistor and the like, a data storage interface is formed in the side wall of the box body, a plurality of heat dissipation mesh holes are formed in the side wall of the box body, and the matrix type adjustable resistor device is connected with the data storage interface. A condensation type heat dissipation mechanism is arranged at the bottom in the box cover, after the box cover is installed at the top of the box body, heat released in operation of the matrix type adjustable resistor device is absorbed through the condensation type heat dissipation mechanism, then the heat is used for evaporation heat dissipation and cold liquefaction circulation operation, and heat in the box body is continuously released. And the influence of external environment temperature is avoided.
Owner:HANGZHOU YIBO TECH CO LTD

Data Transmission Method, Apparatus, Computer Device, and Storage Medium

The present application relates to a data transmission method, apparatus, computer device, and storage medium. The method includes: the signal sending end acquires target data information, converts the target data information into a signal to be transmitted, performs shaping and encoding processing on the signal to be transmitted to generate a parity-check matrix; divides the parity-check matrix to obtain a plurality of sub-matrices, and assigns values to the sub-matrices of each matrix type; constructs a basis matrix based on the matrix assignments corresponding to the sub-matrices of each matrix type; stores the non-zero element information of the basis matrix based on the column structure of the basis matrix to form a first matrix; stores the non-zero element information of the basis matrix based on the row structure of the basis matrix to form a second matrix; generates a target transmission signal based on the first matrix and the second matrix; the signal receiving end analyzes the target transmission signal to obtain the first matrix and the second matrix, decodes the first matrix based on the second matrix to obtain the target data information. Using this method can improve data transmission efficiency and save storage resources.
Owner:SHANDONG YUNHAI GUOCHUANG CLOUD COMPUTING EQUIP IND INNOVATION CENT CO LTD

Matrix type separation filler structure

The invention belongs to the technical field of water treatment, and particularly discloses a matrix type separation filler structure which comprises a bearing component fixed in a pool body structure and extending in a second direction perpendicular to a first direction, and a plurality of separation plates arranged in sequence, the bearing component is provided with a gap, the gap is connected with the separating plates in an inserted mode, and each separating plate is provided with a protruding part protruding out of the bearing component. The separating plates and the bearing components are matched with each other to form channels distributed in a matrix mode, and the protruding parts and the gaps are matched to form freedom degrees between the separating plates and reduce brittle sediments attached to the interiors of the channels. The device has the following advantages that the integrity and stability of channel arrangement can be kept under the impact action of water to be treated, and the scattering and damage risks of the separation plates are reduced; brittle sediments in the channel are reduced through the degree of freedom and the shearing effect, and the risk that the channel is blocked due to deposited mud blockage is reduced, so that the separation capacity is favorably maintained, and the operation and maintenance burden is reduced.
Owner:BEIJING HUAMEOU ENVIRONMENTAL PROTECTION ENG CO LTD

A matrix type double bottom plate bushing for glass fiber

The application belongs to the technical field of glass fiber bushing plate and provides a matrix type double-bottom bushing plate for glass fiber, which comprises a bushing plate body and a bushing nozzle arranged on the bushing plate body for glass liquid to flow out for fiber drawing, wherein a plurality of the bushing nozzles are arranged in a triangular matrix in a staggered manner. The triangular matrix is composed of a plurality of arrangement units, and adjacent two arrangement units are arranged in a staggered manner, and the center distance of the corresponding bushing nozzles in adjacent arrangement units is equal. Thus, the application can overcome the defects of insufficient coating rate of the infiltration agent and high water content of the glass fiber in the prior art, and provides a glass fiber triangular matrix bushing nozzle staggered arrangement bushing plate. By optimizing the arrangement structure of the bushing nozzle, the uniformity of the glass fiber infiltration agent coating is improved, the rapid volatilization of the water in the infiltration agent is promoted, the water content of the drawn glass fiber is reduced, and thus the quality of the glass fiber product is improved and the production energy consumption is reduced.
Owner:SHANDONG FIBERGLASS GRP

A multi-target solution defuzzification and redundancy elimination method based on a multi-ary tree recursive model

The application provides a multi-target ambiguity resolution and redundancy reduction method based on a multi-ary tree recursive model, comprising the following steps: step 1, according to a device repetition period parameter, a residual difference table is established for each two relatively prime repetition periods; step 2, after an apparent distance difference is obtained according to an apparent distance and a table is looked up to obtain an ambiguity, a target real distance is determined; step 3, according to the residual difference table, a matrix type staggered index two-dimensional table is established for a target index, a distance true value and a related repetition frequency index; and step 4, according to the established matrix type staggered index two-dimensional table, a method for obtaining multi-visibility of a target based on a multi-ary tree recursive model is adopted to perform a high-to-low fast search for multi-visibility of a target for all distance unit targets of each repetition period until the target is determined. The application effectively reduces redundancy of multi-target ambiguity resolution and improves processing speed.
Owner:CHINA SHIPBUILDING IND CORP NO 723 RESEARCH INSTITUTE

Matrix type vacuum connecting structure suitable for trays of multiple specifications

The matrix type vacuum connecting structure comprises a base body, a plurality of vacuum locking units are fixedly installed in the center area of the top of the base body in a matrix mode, and a centering positioning mechanism is arranged on the edge of the top of the base body. A vacuum pipeline system and a load negative pressure regulation and control module are integrated in the base body; an abrasion monitoring and alarming panel is installed on the side face of the base body. The vacuum locking units are integrated on the base body in a matrix form and cooperatively work with the independent centering positioning mechanism, and the traditional mode of one tray and one clamp is changed; the base body becomes a universal and standardized platform and can be automatically adapted to trays of different sizes and specifications through program or rapid locking, and the preparation time for replacing products on a production line is greatly shortened.
Owner:BEIJING ACESTEP AUTOMATION CONTROL EQUIP CO LTD

Narrow site foundation pit excavation supporting method

The invention relates to the technical field of building construction, in particular to a narrow site foundation pit excavation supporting method which comprises the following steps: step 1, earth excavation; 2, side slope net hanging and guniting; thirdly, soil nail holes are drilled; fourthly, a supporting sleeve is installed; fifthly, soil nail steel bars are installed; the step one to the step five are repeated until the bottom elevation of the foundation pit is achieved through construction; and after construction of the subsection project of the foundation pit area is completed and before backfilling operation of the foundation pit is carried out, grouting is carried out in the soil nail holes to seal the first forming section. The water permeable holes are formed in the supporting sleeves, after excavation of the foundation pit is completed, each supporting sleeve can become a miniature dewatering well, compared with the prior art, the point location, the number and the distribution of the dewatering wells are not limited by a narrow slope top working face any more, and a dense matrix type dewatering network covering the whole foundation pit slope is formed; therefore, the dewatering efficiency is greatly improved, and the stability of the slope soil body in the construction of the subsection project of the foundation pit is guaranteed.
Owner:CHINA CONSTR FIRST BUILDING (GRP) CORP LTD +1

A method and system for digital design of complex profile three-dimensional woven preforms

The present application relates to the technical field of three-dimensional woven composite materials, and particularly relates to a complex profile three-dimensional woven preform digital design method and system. The method comprises the following steps: calculating the warp layer number and the weft layer number of an interlacing point according to the thickness distribution of the interlacing point; judging the weft number matrix type of the interlacing point through the warp layer number and the weft layer number, and obtaining the weft number matrix; obtaining the pattern plate matrix of the interlacing point by using the weft number matrix; arranging the pattern plate of each interlacing point based on the pattern plate matrix, and obtaining the preliminary pattern plate control matrix; obtaining the stop needle matrix by using the maximum value of the weft number in the maximum row sequence direction, and merging the stop needle matrix and the preliminary pattern plate control matrix to obtain the complete pattern plate control matrix. The present application realizes the design of the pattern plate of the complex profile three-dimensional woven preform, and greatly improves the design efficiency of the complex profile three-dimensional woven preform.
Owner:DONGHUA UNIV

Digital design method and system for three-dimensional woven preform with complex molded surface

The invention relates to the technical field of three-dimensional woven composite materials, in particular to a digital design method and system for a three-dimensional woven preform with a complex profile. The method comprises the following steps: calculating the number of layers of warp yarns and the number of layers of weft yarns of interlacing points according to the thickness distribution of the interlacing points; judging the weft number matrix type of the interweaving points according to the warp layer number and the weft layer number to obtain a weft number matrix; utilizing the weft number matrix to obtain a pattern chart matrix of interweaving points; arranging the pattern chart of each interlacing point based on the pattern chart matrix to obtain a preliminary pattern chart control matrix; and obtaining a prying needle stopping matrix by utilizing the maximum value of the weft yarn number in the maximum line sequence direction, and combining the prying needle stopping matrix and the initial pattern chart control matrix to obtain a complete pattern chart control matrix. According to the method, the design pattern chart of the three-dimensional woven prefabricated body with the complex molded surface is integrally exported, and the design efficiency of the three-dimensional woven prefabricated body with the complex molded surface is greatly improved.
Owner:DONGHUA UNIV

inflatable body (matrix)

1. The name of the design product: expansion body (matrix type). 2. The use of the design product: the product is matched with screws, the expansion tube is implanted into the pre-set corresponding matching anchor hole, the screw is screwed into the inner expansion tube by rotation or knocking, so that it is tightly fixed and installed, and is used for connecting or fixing articles or hanging parts, hooks. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. The rear view of design 1 is the same as the front view of design 1, and the rear view of design 1 is omitted; the left view of design 1 is the same as the right view of design 1, and the left view of design 1 is omitted; the rear view of design 2 is the same as the front view of design 2, and the rear view of design 2 is omitted; the left view of design 2 is the same as the right view of design 2, and the left view of design 2 is omitted. 6. Design 1 is specified as the basic design.
Owner:FUZHOU BAIYIBAILI AUTOMATION TECH CO LTD

Matrix type interconnected photovoltaic direct current collection system and operation method

The invention discloses a matrix type interconnected photovoltaic direct current collection system and an operation method, the system comprises a plurality of photovoltaic sub-arrays arranged in an a * b matrix form, and each sub-array comprises a photovoltaic module, a combiner box and a direct current transformer. The core is that sub-arrays in the same row in the matrix are connected in series through a direct-current transformer to form a plurality of series branches; positive and negative electrodes of the direct-current transformers of the subarrays in the same column are respectively connected in parallel, so that the series branches are connected in parallel and finally connected to a power grid through the system-level AC-DC converter valve. Through a unique matrix type interconnection topological structure, the reliability and economy of the system are effectively considered, a single-point fault does not cause large-area shutdown of the system, and meanwhile, the insulation and transformation ratio requirements of a single direct-current transformer are reduced.
Owner:SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP

Single-index quantization matrix design for video encoding and decoding

To provide a method and apparatus for quantization matrix design for transmitting different quantization matrices corresponding to different block sizes, color components and prediction modes.SOLUTION: To more efficiently signal the coefficients of the quantization matrices, in one implementation, a unified matrix identifier matrix Id is used, based on a size identifier (sizeId) that relates to CU size with larger sizes listed first, and a matrix type (matrixTypeId) with luma QM listed first. This single identifier allows referring to any previously transmitted matrix when using prediction (copy), and transmitting larger matrices first to avoid interpolation in the prediction process. When a block uses the Intra Block Copy prediction mode, QM identifier may be derived as if the block uses the INTER prediction mode.SELECTED DRAWING: Figure 11
Owner:INTERDIGITALCE PATENT HLDG SAS

Signalling of the enhancer neural network in a generative video stream

A mechanism for processing video data is disclosed. The mechanism includes determining a generative face video (GFV) supplemental enhancement information (SEI) message comprises a GFV matrix element integer value at matrix position m,k of a jth matrix with an ith matrix type (gfv_matrix_element_int[ i ][ j ][ k ][ m ]), where the gfv_matrix_element_int[ i ][ j ][ k ][ m ] shall be in the range of 0 to 232 − 2, inclusive. The mechanism further includes performing a conversion between a visual media data and a bitstream based on the GFV SEI message.
Owner:BYTEDANCE INC

Prediction of facial parameter components in a generative face video (GFV) supplemental enhancement information (SEI) message

A mechanism for processing video data is disclosed. The mechanism includes determining, for a current generative face video (GFV) supplemental enhancement information (SEI) message with a particular GFV count (gfv_cnt) value current GFV count (currGfvCnt) greater than 0 and a particular GFV identifier (gfv_id) value current GFV identifier (currGfvId), that a value of a matrix element at each position (m, k) of each j-th matrix of each i-th matrix type can be predicted from a matrix element of the position (m, k) of the j-th matrix of the i-th matrix type in a previous GFV SEI message with a gfv_id equal to currGfvId and a gfv_cnt less than currGfvCnt in a same picture unit as the current GFV SEI message. A conversion is performed between a visual media data and a bitstream based on the current GFV SEI message.
Owner:BYTEDANCE INC