Abstract: An unencoded video frame of a sequence of video frames is encoded to generate an encoded bit-stream representative of the unencoded video frame. The unencoded video frame is divided into a plurality of coding blocks. A local sensitivity measurement may be determined for each of the coding blocks. Based on the local sensitivity measurement, an encoder may determining one or more quantization parameters, one or more adaptive rounding offsets, or one or more quantization steps. The determined parameters may be provided to a quantizer of a video encoder for use in encoding the coding block of the unencoded video frame.

Abstract: Disclosed are a privacy-protection-based data processing model acquisition method and apparatus, a terminal device and a storage medium. The method includes: acquiring sensor data of a plurality of sensors of a preset Internet of Things device; training an initial data model corresponding to each of the sensors through the sensor data corresponding to the sensor to obtain an intermediate data model corresponding to each of the sensors, and integrating the intermediate data models corresponding to the sensors to form an integrated data model; processing new data through the integrated data model and random noise to acquire a label category corresponding to the new data; and training the integrated data model according to the new data and the label category of the new data to acquire a data model. The method solved the technical problem of poor privacy protection of Internet of Things data.

Abstract: An integrated test device and method for filling karst cave deposition and tunnel intermittent water and mud inrush disasters. The device includes a mixing tank, water tank, water collection tank and plurality of depositing tanks, wherein mixing tank outlet is connected to one end of a pipe, the other end of the pipe extends to one end of the water tank, the plurality of depositing tanks are arranged underwater tank at intervals, the water collection tank is arranged at the water tank's other end, and a detachable baffle is arranged in the water tank and in front of each depositing tank. The deposition and consolidation of filling media and water and mud inrush can be simulated and observed through the setting and cooperation of the plurality of depositing tanks, different working conditions can be simulated by changing the flow rate, sample concentration, particle gradation, depositing height and displacement.

Abstract: The invention provides a transaminase mutant and application thereof, wherein the amino acid sequence of the transaminase mutant is formed after mutation of the amino acid sequence as shown in SEQ ID NO: 1, and mutated amino acid sites comprise T7C+S47C sites. The transaminase mutant having the mutation sites can be further prepared into an immobilized enzyme through an immobilization technology, the immobilized enzyme has relatively high activity and high stability, can be recycled for multiple times, and is applicable to continuous flow reaction in a packed bed.

Abstract: An ultrasonic dog repeller with two ultrasonic emitters comprises a housing (1) formed with a part cavity, a front support (2) clamped in the part cavity, a main board (3) clamped on the front support (2) and provided with a battery (4), and an ultrasonic head clamped on the front support (2), provided with a pair of ultrasonic emitters (5) capable of emitting in-phase ultrasonic sounds, and electrically connected to the main board (3). According to the ultrasonic dog repeller with two ultrasonic emitters, ultrasonic waves emitted by the two ultrasonic emitters (5) are superimposed, so that compared with the prior art, the ultrasonic waves can be transmitted farther by users, and the two ultrasonic emitters (5) are protected from being burnt out.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for agent trajectory prediction using temporal-spatial interaction predictions.

Abstract: The present invention provides MDM2 inhibitor compounds of Formula I, wherein the variables are defined above, which compounds are useful as therapeutic agents, particularly for the treatment of cancers. The present invention also relates to pharmaceutical compositions that contain an MDM2 inhibitor.

Abstract: A file reading method includes following operations: determining, by a processor, whether a file in a SIM card is stored in a non-volatile memory; performing, by the processor, a reading process to read the file from the SIM card if the file is not stored in the non-volatile memory; and storing, by the processor, the file into the non-volatile memory.

Abstract: A method and an image processing device for generating an image filter are proposed. The method includes the following steps. A first image is received and inputted into a pre-trained convolutional neural network (CNN) model, and the image filter corresponding to the first image is obtained based on an output result of the pre-trained CNN model.

Abstract: Embodiments of the disclosure disclose a method and an apparatus for tracking a moving target and an unmanned aerial vehicle. The method includes: identifying and locking a moving target; and adjusting a moving state of the unmanned aerial vehicle and/or parameters of the photographing device according to a moving state of the moving target, so that the moving target is always located on a display screen of a control terminal. A method and an apparatus for tracking a moving target and an unmanned aerial vehicle provided in the disclosure can adjust the moving state of the unmanned aerial vehicle and/or the parameters of the photographing device in real time according to the moving state of the moving target and can ensure that the moving target in a preset size is always located on the display screen of the control terminal.

Abstract: An operation parameter detecting apparatus for a vehicle is provided to obtain a pedaling torque value, an angle of a central shaft with a magnetic ring, a corresponded rotating speed and a corresponded pedaling power, respectively by measuring an electromagnetic force of a coil induced by a magnetic variation due to a deformation of a covered magnetic sleeve linked to a central shaft, a voltage output from at least a Hall corresponded to a magnetic flux density of which the distribution in a 1, 2 or 3 dimensional space is partly a monotonic increasing or decreasing function in an area with the same polarity, and at calculation relative to the time.

Abstract: The disclosure discloses a nicotinamide dummy template surface molecularly imprinted polymer, a preparation method and application thereof, and belongs to the technical field of chemical materials. The preparation method of the disclosure includes the steps of preparing a modified silica gel carrier, preparing a dummy template surface molecularly imprinted polymer and the like. The disclosure uses nicotinamide, a structural analogue of imidacloprid and acetamiprid, as a dummy template to prepare a silica gel surface molecularly imprinted polymer. The polymer not only can effectively avoid pollution caused by the leakage of template molecules, but also can specifically remove imidacloprid and acetamiprid from water-soluble tea extracts. The removal rate of imidacloprid and acetamiprid is greater than 96% and 93%, respectively, and the loss of tea polyphenols in the extracts is less than 10%.

Abstract: A full-automatic rock specimen image acquisition device and method, the device includes a central controller and a lighting system, a rock mass attitude control system, a dust system and an image acquisition system connected to the central controller respectively; the lighting system includes a lighting chamber and light sources with adjustable light intensities, and the light sources with adjustable light intensities are uniformly arranged in the lighting chamber; the rock mass attitude control system includes a rotating stage disposed in the lighting chamber for carrying the rock, a rock holder disposed on the stage, and a rotating gripper disposed above the stage for turning over the rock; and the dust system is connected to the lighting chamber, and can diffuse the dust into the lighting chamber through an air compressor and control the dust concentration in the lighting chamber through an electrostatic precipitator.

Abstract: Provided are a vilazodone solid dispersion, a preparation method therefor and a use thereof, wherein the vilazodone solid dispersion contains an active ingredient' vilazodone, a water-soluble polymer carrier material and a surfactant. The water-soluble polymer carrier material is selected from at least one of polyvidone, copovidone and hydroxypropyl methylcellulose. The vilazodone is present in the solid dispersion in a non-crystalline state. The solid dispersion has good stability and significantly improves the solubility and in-vitro dissolution rate of the vilazodone, thereby significantly increasing the oral bioavailability thereof. The vilazodone solid dispersion can be used for preparing vilazodone-related preparations.

Abstract: A card use system includes a first client configured to send a card use request including card information of a card, and display a payment code including a first resource account number corresponding to the first client; a second client configured to send a payment request to transfer a first quantity of resources from the first resource account number to a second resource account number corresponding to the second client; a card server configured to validate the card according to the card information; and in response to successfully validating the card, send a confirmation indication to the payment server; and a payment server configured to, in response to receiving the confirmation indication from the card server, transfer a second quantity of resources in the first resource account number corresponding to the first client to the second resource account number corresponding to the second client.

Abstract: A method and an image processing device for generating an image filter are proposed. The method includes the following steps. A first image is received and inputted into a pre-trained convolutional neural network (CNN) model, and the image filter corresponding to the first image is obtained based on an output result of the pre-trained CNN model.

Abstract: Disclosed is an apparatus for centralized charging of electronic products, including a base, where charging grooves, charging racks, and a charging stand are provided on the top surface of the base in sequence from front to back; a charging head A is provided in the charging groove; a connecting piece A matching a plug-in type charging head is provided at the lower part of the charging rack; the base is further provided with connecting pieces B matching the plug-in type charging heads; the connecting pieces B are located at one side of the charging stand; and the charging head A, the connecting piece A, and the connecting piece B are electrically connected to an output end of a power adapter provided in the base, respectively.

Abstract: A graphical structure model trained with labeled samples is obtained. The graphical structure model is defined based on an account relationship network that comprises a plurality of nodes and edges. The edges correspond to relationships between adjacent nodes. Each labeled sample comprises a label indicating whether a corresponding node is an abnormal node. The graphical structure model is configured to iteratively calculate, for at least one node of the plurality of nodes, an embedding vector in a hidden feature space based on an original feature of the least one node and/or a feature of an edge associated with the at least one node. A first embedding vector that corresponds to a to-be-tested sample is calculated using the graphical structure model. Abnormal account prevention and control is performed on the to-be-tested sample based on the first embedding vector.

Abstract: The present invention relates to the technical field of engineering technology equipment and methods, in particular to a telescopic multifunctional working vehicle capable of operating in both directions and evacuating transversely, and an application method thereof. The telescopic multifunctional working vehicle comprises a fixing and lifting mechanism and a transverse moving and lifting mechanism. The working vehicle is composed of a front vehicle body and a rear vehicle body, wherein the front vehicle body is connected with the rear vehicle body through a telescopic mechanism used for realizing the contraction and the expansion between the front vehicle body and the rear vehicle body. The working vehicle is further provided with a hanging system used for hanging and moving working devices. A rail clamping device is arranged at the bottom of the working vehicle.

Abstract: It relates to the engineering technology science, in particular to a novel track layer for urban rail traffic engineering and its construction method. The novel track layer comprises lifting and walking trolleys, a connecting truss beam, a track running mechanism and a supporting structure. Horizontal extending and vertical supporting structures of each lifting and walking trolley are operated firstly so as to lift the whole novel track layer to a height at which a track material is hoisted and unloaded. A hoisting car is used to lift up the track material to leave from a flat trunk and a material supporting cushion. The novel track layer continues to walk forward to a designed mounting position of a track section, and then the track material is unloaded. Steel tracks are connected and a temporary track section support is mounted to fix a newly mounted track section.