Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to obtain an input mesh comprising volumetric data of at least one three-dimensional (3D) visual content, derive a plurality of submeshes of the input mesh from a frame of the volumetric data, set bitdepths to a first submesh and a second submesh from the submeshes, a first bitdepth being different than a second bitdepth, quantize the first submesh and the second submesh based on respective ones of the first bitdepth and the second bitdepth, and signal a result of quantizing the first submesh and the second submesh.

Abstract: The present disclosure relates to the field of data processing, and specifically, it relates to a data model adjustment method and device, model construction method and device, electronic device, and computer-readable storage medium. The data model adjustment method includes obtaining the target tensor-reshape operator and target tensor-transpose operator in the target data model; determining whether the target tensor-reshape operator and the target tensor-transpose operator satisfy exchange condition; exchanging, if the target tensor-reshape operator and the target tensor-transpose operator satisfy the exchange condition, the operation order of the target tensor-reshape operator and the target tensor-transpose operator in the target data model; and adjusting the operator expression of the tensor-transpose operator.

Abstract: A rapidly constructed three-dimensional model of a microbial film exposed at an air-liquid interface and a preparation method thereof, as well as a hydrogel bead containing microorganisms immobilized at an air-liquid interface in an exposed state and a preparation method thereof. The model includes a hydrogel material containing gradually releasable nutrients, as a core scaffold; a hydrogel film attached to a surface of core and wrapping microorganisms, as a biofilm-like film; and an antimicrobial polyelectrolyte layer between the biofilm-like film structure and the core structure which allows substances in the core to be released into the biofilm-like film structure while preventing the microorganisms on the film from migrating to the core material, ensuring uniform distribution of the microorganisms on the surface of the core and maintaining the microorganisms continuously exposed at the air-liquid interface.

Abstract: An exposure device for exposing microorganisms to gaseous pollutants and a corresponding in-situ multi-toxicity endpoint detection system are provided. The detection system based on the exposure device disclosed in the present application may perform controlled accumulation of pollutants in air, and implements in-situ, comprehensive, quick, and low-cost assessment of toxicity effects of pollutants in air of a target site. The exposure device and the detection system disclosed in the present application can effectively avoid toxicity distortion caused by complex collection and transfer process, complex chemical reactions in a liquid elution process in conventional toxicity detection methods for gaseous pollutants.

Abstract: The present disclosure relates to an information presentation method and apparatus, an electronic device and a storage medium. The method includes: presenting a target page, wherein the target page includes an object detail presentation area and a candidate object set presentation area, and the candidate object set presentation area is used for presenting first abstract information of each candidate object in a candidate object set; and in response to a selection operation for one piece of first abstract information in the candidate object set presentation area, presenting detail information of a first target object in the object detail presentation area, wherein the first target object is a candidate object corresponding to the selected first abstract information. Therefore, the operation steps of browsing the detail information of different objects can be simplified, and the operation time consumption can be shortened.

Abstract: The disclosure belongs to the technical field of materials for civil construction engineering, and specifically relates to a green and low carbon emission foamed lightweight soil prepared by using serpentine, magnesium oxide and CO2 as raw materials. In the serpentine carbon sequestration foamed lightweight soil, the ingredients of raw material include: magnesium oxide, serpentine, a filler, CO2 bubbles and water.

Abstract: One embodiment of a method for controlling a robot includes generating, via a first trained machine learning model, a robot motion and a predicted force associated with the robot motion, determining, via a second trained machine learning model, a gain associated with the predicted force, generating one or more robot commands based on the robot motion and the gain, and causing a robot to move based on the one or more robot commands.

Abstract: A method and apparatus that derives a curve of a mesh sequence from a frame of a video bitstream, the curve comprising a plurality of vertices; subdivides the curve by adding a plurality of subdivided vertices; calculates one or more displacement vectors between each of the plurality of vertices on the curve and each of the plurality of subdivided vertices on the subdivided curve; transforms the one or more displacement vectors to output one or more original coefficients; tracks the current frame with a previous frame to obtain a one-to-one correspondence between the plurality of vertices of the current frame and a plurality of vertices of the previous frame; predicts one or more coefficients of each of the plurality of vertices in current frame based on the one-to-one correspondence; performs entropy coding on one or more prediction residues; and encodes the one or more prediction residues.

Abstract: A sensor can include a redox-active complex. The sensor can be voltage sensitive.

Abstract: The disclosure belongs to the technical field of materials for civil construction engineering, and specifically relates to a green and low carbon emission foamed lightweight soil prepared by using serpentine, magnesium oxide and CO2 as raw materials. In the serpentine carbon sequestration foamed lightweight soil, the ingredients of raw material include: magnesium oxide, serpentine, a filler, CO2 bubbles and water.

Abstract: In some examples, processing circuitry receives at least a first mesh frame associated with a first time instance and a second mesh frame associated with a second time instance. The first mesh frame includes a first two dimension (2D) map with first patches having three-dimension (3D) information mapped to 2D. The second mesh frame includes a second 2D map with second patches having 3D information mapped to 2D. The processing circuitry identifies that a first patch in the first patches is a reference matching patch for a second patch in the second patches. Further, the processing circuitry determines first re-map transform parameters for a temporal alignment of the second patch to the first patch, and generates a new second 2D map that includes a transformed second patch that is transformed from the second patch according to the first re-map transform parameters.

Abstract: Aspects of the disclosure provide methods and apparatuses for point cloud compression and decompression. In some examples, an apparatus for point cloud compression/decompression includes processing circuitry. The processing circuitry determines to use a prediction mode for coding (encoding/decoding) information associated with a current point in a point cloud. In the prediction mode, the information associated with the current point is predicted based on one or more neighbor points of the current point. The processing circuitry calculates, using integer operations, a distance-based weighted average value based on distances of the one or more neighbor points to the current point, and determines the information associated with the current point based on the distance-based weighted average value.

Abstract: This application is applicable to the field of machine learning technologies and provides a system and a method for target detection. The system includes: a controller and a coprocessor which is in communication connection with the controller. The controller is configured to perform at least some arithmetic operations of a target detection model based on a target image to be detected and/or data sent by the coprocessor. The coprocessor is configured to perform at least some arithmetic operations of the target detection model based on the target image to be detected and/or data sent by the controller. According to the system for target detection, the controller and the coprocessor are utilized to perform some of the arithmetic operations in the target detection model respectively to solve a problem of slow execution speed of target detection task in deployment of the target detection model.

Abstract: A transmission apparatus includes a signal power detector configured to detect signal power of a wavelength-multiplexed optical signal to be transmitted to a transmission line, a variable optical attenuator configured to attenuate the wavelength-multiplexed optical signal, and a processor configured to control an attenuation amount of the variable optical attenuator according to the signal power and whether a Raman amplifier in which pumping light is inputted to the transmission line exists.

Abstract: An antenna includes: a first antenna element, including a first radiation stub having a first feeding end and a second radiation stub having a second feeding end; a first feeding part, coupled to the first feeding end and the second feeding end of the first antenna element; a second antenna element, including a third radiation stub having a third feeding end and a fourth radiation stub having a fourth feeding end; a second feeding part, coupled to the third feeding end and the fourth feeding end of the second antenna element; and a coupling stub, coupled to the first antenna element through the first feeding end and the second feeding end, and coupled to the second antenna element through the third feeding end.

Abstract: The present invention relates to a sodium polyacrylate super absorbent resin for blood absorption with a gradual hierarchical structure. When a blood simulant solution is used as the detection medium, according to ISO 19699-1:2017(E), the absorption capacity of the blood simulant solution is ?18.0 g/g, Preferably ?18.5 g/g; the absorption rate of the blood simulant solution is ?45 s, preferably ?40 s, more preferably ?38 s; when human blood is used as the detection medium, according to ISO 19699-1:2017(E), the absorption capacity of the human blood is ?8.0 g/g, preferably ?8.3 g/g, more preferably ?8.6 g/g; the absorption rate of the human blood is ?45 s, preferably ?40 s, more preferably ?35 s, most preferably ?25 s.

Abstract: According to an aspect of the disclosure, a method of point cloud geometry encoding in a point cloud encoder is provided. In the method, geometry coding is performed on a point cloud at a first partition depth. Further, a plurality of largest coding units (LCUs) of the point cloud is determined at a second partition depth. A coding state of a LCU of the plurality of LCUs of the point cloud is set at the second partition depth. The geometry coding is performed on the plurality of LCUs of the point cloud at the second partition depth based on the coding state of the LCU at the second partition depth.