Abstract: A system, such as for three-dimensional (3D) shape reconstruction, includes a polarization camera, a first circularly polarized light source disposed on a first side of the polarization camera, and a second circularly polarized light source disposed on a second side of the polarization camera. The polarization camera is configured to capture first and second images of an object with the respective first and second circularly polarized light sources illuminated. A method and computer readable medium, such as for 3D shape reconstruction, includes obtaining first and second images of an object from a polarization camera corresponding to images of the object captured with respective first and second circularly polarized light sources illuminated, performing polarimetric image decomposition on each of the first and second images, and determining a 3D surface mesh of the object based on the unpolarized and linearly polarized components of the first and second images.

Abstract: Methods and systems for detecting systemwide service issues by using anomaly localization. In an example, a method includes receiving time-series monitoring data for multiple services, the time-series monitoring data including multiple dimensions and an error metric; for the monitoring data from each service, evaluating scopes within the monitoring data based on an objective function for a time-series of the error metric to identify at least one anomalous scope, each scope including at least one dimension and a value for the dimension; based on evaluating the scopes, generating a ranked list of scopes for each service based on objective function scores for the scopes; correlating the ranked lists of scopes across the multiple services to identify a cross-service anomaly; and generating an alert for the services based on the cross-service anomaly, the alert indicating at least one scope as a potential root cause for the cross-service anomaly.

Abstract: A portable solar photovoltaic array power generator set container and a usage method thereof are provided. The portable solar photovoltaic array power generator set container includes a foldable solar photovoltaic power generation unit, a rail component for the foldable solar photovoltaic power generation unit to unfold and retract, electrical equipment and a container. The foldable solar photovoltaic power generation unit includes multiple frames, multiple solar photovoltaic components, a hinge component and a movable component. The foldable solar photovoltaic power generation unit further includes a position-limiting component for limiting an unfolding angle of each set of frames.

Abstract: The disclosure provides Bifidobacterium longum subsp. infantis CCFM1269 and an application thereof, and belongs to the technical field of microorganisms. The B. longum subsp. infantis CCFM1269 provided by the disclosure is a food safety strain, which has the effects of regulating the Th1/Th2 balance and the IgA content of a mammal in an early life stage, enhancing the skeletal development, improving the femur length and skeletal steady state in the early life stage and the like, and thus the strain has a huge application prospect. Only a culture medium and control of some culture conditions are needed in a culture process of the strain, so that the cost is relatively low, and industrial production is easily implemented.

Abstract: An unmanned parking space detection method based on a panoramic surround view is provided. The unmanned parking space detection method adopts a Laplace fusion algorithm to splice images to obtain the panoramic surround view, which effectively realize fusion of the images. By using an image quality evaluation function, complexity of the unmanned parking space detection method is reduced while ensuring a quality of the splicing. The panoramic surround view generated by the present disclosure has a more natural transition in the areas being spliced and fused, and the panoramic surround view display is more complete and beautiful. Compared with conventional machine vision detection technologies, the unmanned parking space detection method adopts a target detection technology for detecting parking space entrance lines and adopts a more lightweight network design to ensure real-time performance of a detection algorithm thereof, which has higher detection accuracy and stronger robustness.

Abstract: The present disclosure relates to a method for calibrating an articulated robot, a computer device and a non-temporary computer-readable storage medium. The method includes: acquiring desired trajectory information regarding a desired trajectory of the end-effector; acquiring load information regarding a load subjected by the articulated robot, the load including a gravity load, an inertial load and an external load; obtaining, based on the desired trajectory information, joint position data indicating a joint position of the articulated robot; obtaining, based on the joint position data and the load information, end position change data indicating an end position change of the end-effector; and compensating, based on the end position change data, a position error of the end-effector according to a predetermined compensation strategy.

Abstract: Disclosed are a method for searching a storage unit for output data corresponding to input data and an electronic device. The method includes: determining first data corresponding to a first preset bit quantity and second data corresponding to a second preset bit quantity of the input data; determining a first lookup table corresponding to the first preset bit quantity from the storage unit based on a precision type of the input data; determining a first index address corresponding to the first data in the first lookup table based on the first data and the first lookup table; determining third data corresponding to the first data in the first lookup table based on an address space corresponding to the first index address; and determining the output data corresponding to the input data based on the third data and the second data.

Abstract: The invention provides systems and methods for a function-based computing power allocation system (FCPAS), which is a component of an Intelligent Road Infrastructure System (IRIS). The FCPAS incorporates advanced computing capabilities that effectively allocate computational power for prediction, planning, and decision making functions. Specifically, through the FCPAS, an AV can acquire additional computational resources for vehicle prediction, planning, and decision-making functions, thereby enabling safe and efficient autonomous driving. Additionally, tailored to different traffic scenarios, the FCPAS can allocate data and computational resources (including but not limited to CPU and GPU) for vehicle automation.

Abstract: A lossless exciting current sampling circuit for an isolated converter includes first and second voltage sampling circuits and a subtraction circuit formed by an operational amplifier. The two sampling circuits sample voltages of the primary winding of an isolation transformer, with outputs fed into the subtracter. The subtracter output is the circuit's output. RC low-pass filters with large time constants are used as primary voltage sampling circuits, realizing integration of voltage differences between the exciting inductance terminals, enabling lossless current sampling without resistors or transformers. The current sampling result is utilized for volt-second balance control, realized along with a hold circuit and comparator which compares the sampling hold result with the current sampling result to generate a control signal.

Abstract: Disclosed are a method and apparatus for compressing a topology recognition model, an electronic device, and a medium. The method includes: pruning a to-be-compressed model to obtain a pruned model, and training the pruned model to obtain a trained pruned model; quantifying a bit quantity of a weight parameter of each neural network layer in the trained pruned model from a first bit quantity to a second bit quantity to obtain a highly-quantified pruned model, and training the highly-quantified pruned model to obtain a trained highly-quantified pruned model; using the trained highly-quantified pruned model as the to-be-compressed model, continuously pruning and quantifying the to-be-compressed model until a compressed topology recognition model is obtained, and deploying the compressed topology recognition model on an Internet of Things in Power Systems (IOTIPS) terminal, to reduce a size of the topology recognition model while ensuring the topology recognition model meets an accuracy requirement.

Abstract: A substrate includes a first base, a first trace, a first organic layer, a first inorganic layer, and a second trace. The first organic layer includes at least one first via hole, and a first via hole exposes a portion of the first trace. The first inorganic layer includes at least one second via hole. On the first base, an orthographic projection of an edge of an opening of a second via hole proximate to the first via hole is substantially coincident with an orthographic projection of an edge of an opening of the first via hole proximate to the second via hole. The first and second via holes are communicated to form a connecting hole to connect the first and second traces. A ratio of a depth of the connecting hole to a maximum radial dimension of the connecting hole ranges from 1:1 to 1:2, inclusive.

Abstract: Aspects of the present disclosure provide systems, methods, and computer-readable storage media that support intelligent re-use of knowledge (e.g., across an organization) using a natural text-based querying framework. A knowledge representation of prior work performed for the organization may be generated based on organizational knowledge (e.g., historical work record data that identifies a plurality of work items across an organization). The knowledge representation may include individual work-record entities for each respective work item and individual knowledge graphs corresponding to the individual work-record entities. For each individual knowledge graph, operations may be performed to identity and store project name, subgraph, sentence embedding, and word embedding information.

Abstract: A digital signal transmission media includes a first signal transmission module and a second signal transmission module capable of relative motion with the first signal transmission module. The first signal transmission module includes a first circular conductor not fully closed. The second signal transmission module includes a second circular conductor not fully closed. The first circular conductor and the second circular conductor are arranged with a common center, and the first circular conductor and the second circular conductor rotating relative to each other. Signal coupling formed between the first circular conductor and the second circular conductor, enables one of the first signal transmission module and the second signal transmission module to transmit signals to the other.

Abstract: The invention discloses an integrated transformer power supply system for multiphase plasma generation devices, pertaining to the field of power supply for high-power multiphase plasma generators. The system comprises sequentially connected voltage regulation and frequency control unit, integrated transformer unit, and plasma generator. By changing the wiring configuration of the integrated transformer unit, a multiphase output power supply can be obtained to meet the different frequency requirements, voltage requirements, voltage phase requirements, steepness requirements, and other characteristics of various multiphase plasma generation devices. The system exhibits high flexibility, wide applicability, and can achieve the necessary conditions for efficient, robust, durable, and easily maintainable practical engineering solutions.

Abstract: A thin film transistor and a preparation method thereof, a display panel, and a display device. The thin film transistor includes an active structure and a gate that are stacked and insulated by an interlayer insulating layer, the active structure includes a source region, a drain region, and a channel region, the source region and the drain region are located on two sides of the channel region, and in a thickness direction of the interlayer insulating layer, a projection of the gate overlaps with a projection of the channel region; wherein the channel region includes a metal oxide material, a ratio of a number of indium atoms and a number of zinc atoms in the channel region is a, and a?4.

Abstract: Methods and nodes are provided, an example method including, when a first node is in a sensing mode, receiving, by the first node, at least one first signal frame from a second node. The example method further includes processing, by the first node, the at least one first signal frame based on a same automatic gain control (AGC) gain. The example method further includes obtaining, by the first node, channel state information (CSI) based on at least one processed first signal frame.

Abstract: A utility vehicle for power emergency repair includes a cab, a carriage and a lighting device, including mounting bases, a wire pole, a rotary base and a lamp assembly. A rotary shaft is bridged between the mounting bases, and the rotary base is fixedly connected to the rotary shaft. First and second positioning units are provided on the top of the carriage. The rotary base has first and second positioning surfaces, the first positioning unit includes a first limiting platform, and the second positioning unit includes a rotation limiting plate and positioning plates. The positioning plates is supported on a lower end surface of the rotation limiting plate. The utility vehicle further includes a driving assembly and first and second contacts. A trigger signal is generated and the driving assembly is controlled to release braking on the rotary shaft when the first and second contacts contact each other.

Abstract: Embodiments of this disclosure disclose a resource transfer data management method and apparatus, and a storage medium, which belong to the field of Internet technologies. The method includes: receiving transaction data transmitted by a first server, wherein the transaction data is obtained by the first server by signing resource transfer data according to a private key of the first server; verifying the transaction data according to a public key of the first server; and generating a second block according to the transaction data and a feature value of a first block in a blockchain when the verification succeeds, and adding the second block as a next block of the first block to the blockchain.

Abstract: The present disclosure relates to devices, apparatus and methods of improving the accuracy of image-based assay, that uses imaging system having uncertainties or deviations (imperfection) compared with an ideal imaging system. One aspect of the present invention is to add the monitoring marks on the sample holder, with at least one of their geometric and/optical properties of the monitoring marks under predetermined and known, and taking images of the sample with the monitoring marks, and train a machine learning model using the images with the monitoring mark.