Abstract: The present disclosure provides encoding and decoding methods and apparatuses, and devices therefor. According to an embodiment of the decoding method, a to-be-processed image can be divided into X*Y slices, and the number Z of chunks within each slice can be determined. Then, for each of the Y slice lines corresponding to the to-be-processed image, chunks corresponding to X slices in the horizontal direction of the slice line in a target code stream are deinterleaved, to obtain Z chunks for each of the X slices, where the Z chunks include at least two sizes of chunks; and the X slices are decoded based on bitstream buffers corresponding to the X slices in the horizontal direction of the slice line. Where for each of the X slices, a bitstream buffer corresponding to the slice includes the chunks corresponding to the slice.

Abstract: Disclosed are a pixel circuit and a drive method therefor, and a display apparatus. The pixel circuit includes a drive sub-circuit, a writing sub-circuit, a first reset sub-circuit, and a light emitting element, wherein the drive sub-circuit is configured to provide a drive current between a first electrode and a second electrode of the drive sub-circuit in response to a control signal of a first node; the writing sub-circuit is configured to write a data voltage signal to the first electrode of the drive sub-circuit in response to a control signal of a first scan signal line; the first reset sub-circuit is configured to reset an anode terminal of the light emitting element in response to a control signal of a second scan signal line.

Abstract: Voice data processing for voice intention understanding includes performing voice data feature extraction on voice data to obtain first feature data. Local frequency domain transform processing is performed on the first feature data to obtain at least one feature map including a plurality of elements and corresponding to one data block in the first feature data, each element corresponding to one frequency in a frequency domain. Constructing, by separately using an element corresponding to each frequency in the at least one feature map a frequency component channel feature map corresponding to each frequency. Selecting at least one target frequency component channel feature map from the constructed frequency component channel feature maps to obtain desensitized feature data of the voice data, where the selected target frequency component feature map is a critical channel feature for voice intention understanding and is a non-critical channel feature for voice signal recognition.

Abstract: A display substrate and a manufacturing method therefor, and a display apparatus. The display substrate includes a base substrate, a second power line, a data signal line and a plurality of sub-pixels, wherein at least one sub-pixel includes a pixel driving circuit and a light emitting device connected to the pixel driving circuit; a semiconductor layer and a plurality of conducting layers, which are disposed at one side of the semiconductor layer away from the base substrate, are disposed on the base substrate, a first electrode is arranged in at least one conducting layer, the first electrode is connected to the second power line, and there is an overlapping area between an orthographic projection of the first electrode on the base substrate and an orthographic projection of the data signal line on the base substrate.

Abstract: A system may include a processor and a non-transitory computer readable medium having stored thereon instructions that are executable by the processor to cause the system to receive a clearing house request that may include an amount owed to a first party by a second party and an indication of an account associated with the second party, and retrieve a risk score associated with the indicated account. The risk score may have been generated by a trained machine learning model configured to receive, as input, a plurality of account activities and to generate, as output, risk scores for a plurality of accounts indicative of a probability that the associated account is solvent. The system may further determine that the associated risk score exceeds a threshold value, and in response to the associated risk score exceeding the threshold value, execute a transfer of the amount to the first party via a clearing house.

Abstract: The present invention provides a method for determining the hydration number of salt ions during permeation through a polyamide separation membrane. The method comprises: peeling off the polyester backing layer and dissolving the polysulfone support layer of the polyamide separation membrane to obtain an active layer of the polyamide separation membrane; coating the active layer onto a counter electrode platinum sheet and a Au sensor; placing the counter electrode platinum sheet and the Au sensor into an EQCM-D module and connecting to an electrochemical workstation via a three-electrode system, then respectively introducing ultrapure water and a salt solution of known concentration until equilibrium is reached, and applying a constant voltage after equilibrium, while recording the changes in frequency and current throughout the process to quantitatively determine the hydration number of salt ions during permeation through the polyamide separation membrane.

Abstract: An engineered immune cell and a preparation method therefor are provided. The engineered immune cell is prepared by means of transfecting an isolated nucleic acid molecule. The isolated nucleic acid molecule comprises: a nucleic acid sequence encoding a chimeric antigen receptor (CAR); a nucleic acid sequence encoding IL-15 or a functional active fragment thereof; and a nucleic acid sequence encoding IL-21 or a functional active fragment thereof.

Abstract: The present disclosure discloses a focusing control method, apparatus and system, and a storage medium, which relates to the field of control. The focusing control method includes: controlling a carrier platform carrying a display panel to move in a preset direction at a preset speed; controlling a distance measuring sensor to measure a first distance between the distance measuring sensor and a detection point, wherein the detection point is a point on a surface of the display panel located at a preset distance measuring position; adjusting a distance between an image acquiring device and the detection point based on the first distance in a case where the detection point reaches a preset image acquiring position in a field of view of the image acquiring device; and controlling the image acquiring device to acquire an image of the surface of the display panel.

Abstract: The first heat exchanger comprises a shell vertically arranged and one or more spiral heat exchange tubes; the shell has a first shell passage inlet pipe at the lower portion of the shell, the first shell passage inlet pipe connects to a hydrogen pipe for transporting hydrogen, the shell has a second shell passage inlet pipe at the middle portion of the shell the second shell passage inlet pipe connects to a raw oil pipe for transporting raw oil, the shell has a shell passage outlet pipe on the upper portion of the shell; the shell has one or more tube passage inlet pipes, each of which communicates with a top of the corresponding spiral heat exchange tube and connects to a hot high fraction gas pipe for transporting a hot high fraction gas output by a hot high-pressure separation tank of the hydrogenation device; the shell has a tube passage outlet pipe. The present invention further discloses a heat exchange process.

Abstract: Implementations of the present specification provide an image data processing method, an image data recognition method, a training method for an image recognition model, an image data processing apparatus, an image data recognition apparatus, and a training apparatus for an image recognition model. During image data processing, data anonymization processing is performed on image data based on frequency domain transform to obtain anonymized image data of the image data. The obtained anonymized image data includes a subgraph data set. Each subgraph data in the subgraph data set corresponds to a different frequency. Then, image blending processing is performed on the obtained anonymized image data based on data augmentation, to obtain augmented anonymized image data.

Abstract: A pixel circuit and a driving method thereof, a display panel and a display device are provided, which belong to the field of display technologies. The pixel circuit includes a driving circuit and a compensation circuit. The driving circuit can transmit a reset power source signal to a driving node to reset a light-emitting component connected to the driving node; and can transmit a light emission driving signal to the driving node to drive the light-emitting component connected to the driving node to emit light.

Abstract: A pixel driving circuit, a pixel driving method, and display panel are provided. The pixel driving circuit includes: a driving transistor with a first electrode for a first power supply voltage, a second electrode connected to a third node, and a gate connected to a first node; a first transistor connected to a second node, outputting a data voltage in response to a first scan signal; a second transistor connecting the first and third nodes; a fifth transistor connected to the second node, outputting a reference voltage in response to a reset signal; a seventh transistor connecting the third and fourth nodes in response to a light emitting control signal; and a storage capacitor connected between the first and second nodes, storing the data voltage and the threshold voltage of the driving transistor.

Abstract: A system comprises a decision logic module, a payload IC, an optical transceiver, a mmWave transceiver, and an antenna array. The decision logic module evaluates channel conditions and selects one of four transmission modes based on a signal quality indicator. The payload IC generates baseband data and receives demodulated data. The optical transceiver, coupled to the decision logic and payload IC, transmits and receives optical signals via a free-space link using either a first or second modulation format. The optical array handles optical signal emission and reception. The mmWave transceiver, coupled to the decision logic and payload IC, transmits and receives mmWave signals via a free-space mmWave link using a third or fourth modulation format. The antenna array supports mmWave emission and reception. The first modulation format offers higher spectral efficiency than the second. The third provides a higher data rate than the fourth under favorable signal-to-noise conditions.

Abstract: The present application relates to a metal iridium complex and an organic electroluminescent device. The metal iridium complex has a general formula of Ir(La)(Lb)(Lc), the structure thereof being shown as a formula (1). The metal iridium complex provided by the present application has the advantages of low evaporation deposition temperature, high optical and electrochemical stability, narrow half-peak width, high color saturation, high light-emitting efficiency, long device service life and the like. Therefore, the metal iridium complex can be used in organic light-emitting devices, particularly used as a red light-emitting phosphorescent material, and has the possibility of being applied to the AMOLED industry.

Abstract: A shunt device includes a shunt component and a flow regulation mechanism. The shunt component includes a body, and an inlet and an outlet located at both ends of the body, and the shunt component defines a shunt channel for a pressurized fluid. The flow regulation mechanism is connected to the shunt component and is configured to regulate a flow rate of the pressurized fluid flowing through the shunt channel. The flow regulation mechanism includes a deformable blocking portion configured to, when a fluid pressure at the inlet of the shunt component and/or inside the shunt component is less than a fluid pressure external to the flow regulation mechanism, be driven by the fluid pressure external to the flow regulation mechanism to collapse radially, thereby causing the flow regulation mechanism to partially close the shunt channel.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for generating differential privacy noise. One example method includes generating, by a first party of two or more parties participating in a secure multiparty computation (MPC) instance, a first l-bit random number, where l is a positive integer; comparing a XOR result of the first l-bit random number and a second l-bit random number with an integer determined based on a target probability of a Bernoulli distribution, where the comparing comprises performing a comparison protocol based on oblivious transfer; and determining a Bernoulli sampling of a random number based on a result of the comparing. The Bernoulli sampling of the random number can be used to generate a random noise value, which can be added to an MPC computation result according to a differential privacy mechanism.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for generating differential privacy noise. One example method includes, determining a first secret share of a binary integer u of l bits; determining a real number r; receiving a first secret share of a Bernoulli sampling (b?) of l bit, wherein the Bernoulli sampling is computed based on u and r; computing a first secret share of an AND result (v0) based on u and b?; and generating an acceptance bit by performing an equality testing protocol on the first secret share of the AND result and an inversion of a second secret share of the AND result. Acceptance bits for a plurality of samples of the discrete Laplacian distribution can be used to generate a random bit integer, which can be added to secure multiparty computation (MPC) computation results.

Abstract: The present disclosure involves methods, apparatus, and systems for processing comparison in secure multi-party computation. One example method includes, partitioning a first difference (x) between a first share of value a and a first share of value b into N sections, and determining whether a<b based on first indicators and second indicators corresponding to the N sections. The first indicators include a first indicator indicating a comparison result between xj and yj computed based on a Vector Oblivious Shift Evaluation (VOSE) protocol, where xj is a jth section of x, and yj is a jth section of N sections of a second difference (y) between a second secret share of b and a second secret share of a. The second indicators include a second indicator indicating whether xj is a most significant section among sections of the first difference where xj?yj.

Abstract: A cutting tool head angle adjustment mechanism comprising a base, a head connected to a support seat and a locking disc; the head is internally provided with an accommodating hole for allowing a locking pin to extend and retract; an elastic member is arranged in the accommodating hole; when the locking switch swings back and forth, the locking block is propelled to reciprocate between the position of clamping the locking disc and the position of releasing the locking disc, so that locking and unlocking between the head and the support seat at any angle are achieved; when the locking pin reciprocates between the position of inserting into the locking hole and the position of escaping the locking hole, the automatic locking and unlocking between the head and the support seat at a specific angle are achieved; the head angle adjustment mechanism achieves convenient and fast operation and ideal locking effect.

Abstract: A pixel driving circuit and a control method therefor, and a display device are provided by the present application, wherein the pixel driving circuit is configured for driving a light-emitting element to emit light during a plurality of frame periods at a first refresh frequency, wherein each of the plurality of frame periods includes a refreshing frame and at least one holding frame in a timing sequence, and the pixel driving circuit includes: a bias sub-circuit electrically connecting a reset signal line, a first gate signal line, a first initial signal line, a data signal line and a first node, wherein the bias sub-circuit is configured to make the first node have a first bias electrical signal in a state of the holding frame.