Abstract: A system and method for detection-guided tracking of human-dynamics is provided. The system receives an input human-dynamics sequence including geometry information and an RGB video of a human object. The system inputs the RGB video to the neural network and estimates a pose of the human object in each frame of the RGB video based on output of the neural network for the input. The system selects, from the input human-dynamics sequence, a key-frame for which the estimated pose is closest to a reference human pose. From the selected key-frame and up to a number of frames of the input human-dynamics sequence, the system generates a tracking sequence for a 3D human mesh of the human object. The generated tracking sequence includes final values of parameters of articulate motion and non-rigid motion of the 3D human mesh. Based on the generated tracking sequence, the system generates a free-viewpoint video.

Abstract: A neural human performance capture framework (MVS-PERF) captures the skeleton, body shape and clothes displacement, and appearance of a person from a set of calibrated multiview images. It addresses the ambiguity of predicting the absolute position in monocular human mesh recovery, and bridges the volumetric representation from NeRF to animation-friendly performance capture. MVS-PERF includes three modules to extract feature maps from multiview images and fuse them to a feature volume, regress the feature volume to a naked human parameters vector, generating an SMPL-X skin-tight body mesh with a skeletal pose, body shape, and expression, and leverage a neural radiance field and a deformation field to infer the clothes as the displacement on the naked body using differentiable rendering. Clothed body mesh is obtained by adding the interpolated displacement vectors to the SMPL-X skin-tight body mesh vertices. The obtained radiance field is used for free-view volumetric rendering of the input subject.

Abstract: A quantitative pooled-sample testing method and apparatus for chemical test items of consumer products are provided. The test method includes: calculating a maximum number of samples that can be pooled according to parameters such as regulatory limit requirements, measurement uncertainty, the number of pooled samples, a sample pooling ratio, and the like; establishing a searchable table according to a relationship between a qualified rate, the number of samples that can be pooled, and reduced workload; for various items to be tested, directly querying the table to acquire reduced workloads corresponding to different numbers of samples that can be pooled; and when the number of samples that can be pooled does not exceed a maximum value and corresponds to the most greatly reduced workload, determining that number of samples that can be pooled as an optimum number of samples that can be pooled, and performing pooled-sample testing.

Abstract: Application of glutamate dehydrogenase GdhA of Peptostreptococcus asaccharolyticus in increasing the yield of poly-?-glutamic acid from Bacillus licheniformis. The glutamate dehydrogenase GdhA of the Bacillus licheniformis WX-02 per se is replaced with the glutamate dehydrogenase derived from the Peptostreptococcus asaccharolyticus by means of homologous recombination, which significantly increases the level of synthesizing the poly-?-glutamic acid for the Bacillus licheniformis, and the yield of the obtained poly-?-glutamic acid from strains is increased at least by more than 20% compared with control strains.

Abstract: Systems and methods are provided for aqueous based electrodes (e.g., anodes) with mechanical enhancement additives. An electrode for use in an electrochemical cell has an active material that includes silicon and a mechanical enhancement additive, with the mechanical enhancement additive selected to offset or counter silicon volume changes, and with the mechanical enhancement additive selected based on one or more selection thresholds relating to one or both of Young's modulus and aspect ratio.

Abstract: A method for preparing a supported Ru and/or Ni catalyst includes mixing a magnesium precursor, a zinc precursor, or a nickel precursor with an aluminum precursor in solid phase to form a first mixture; adding an auxiliary agent to the first mixture to form a second mixture, wherein the auxiliary agent is to increase a specific surface area; calcining the second mixture at a first temperature to obtain a spinel carrier; placing the spinel carrier in a solution of a Ru and/or Ni metal salt to impregnate the spinel carrier with the Ru and/or Ni metal salt to obtain an impregnated carrier; and after drying, calcining the impregnated carrier at a second temperature to obtain the supported Ru and/or Ni catalyst.

Abstract: Provided is a method of training an image recognition model, the model is configured to detect a defect region in an image of a display substrate, the display substrate includes a display area and a connection area, and the method includes: acquiring a first training sample including images of n display substrates; dividing each of the images of n display substrates into a first sub image and a second sub image, the first sub image is an image of a display area, and the second sub image is an image of a connection area; inputting the first training sample into the image recognition model, the first training sample includes the first sub image and the second sub image; and adjusting at least one feature parameter of the image recognition model to reduce a difference between an output value of the model and a training value of the first training sample.

Abstract: A model box for leakage and collapse of a buried pipeline capable of switching internal and external seepage working conditions includes a steel structure box body, an organic glass observation window, a stainless steel pipeline, an organic glass pipeline and a sand discharging pipeline; a top portion of the box body is opened and provided with a rainfall structure bracket; two sides of an interior of the box body are divided into water tanks on two sides and a sand tank in a middle portion through steel plate barriers, and the steel plate barrier is provided with a water permeable hole.

Abstract: The present application provides a structure and method for online detection of a metal via open circuit, a contact layer is on the substrate, a first metal layer is on the contact layer, a first metal via layer is on the first metal layer, a second metal via layer is on the first metal via layer metal layer, the contact layer comprises a plurality of contacts, the plurality of contacts are connected to the first metal layer, the first metal via layer comprises a plurality of first vias, the plurality of first vias are filled with metal; detecting by means of an E-beam technology. A problem in the process can be found in advance, so as to solve the problem in time and thus stop losses as soon as possible.

Abstract: A semantic parsing method includes extracting, by a first server, a first entity of a first slot from a first user sentence, modifying the first entity to a second entity of a second slot when the first entity is a pronoun, sending a first server request to a second server, and obtaining a first service result from the second server in response to the first service request. The first service request includes indication information of a first intention and the first entity, the second server is an application server that provides a first skill, and the first service result is based on the first intention and the first entity. The first server returns the first service result to a device to output by the device.

Abstract: The invention provides engineered mitochondria and a preparation method thereof, and relates to the technical field of mitochondria. The engineered mitochondria are formed by attaching exogenous cell membranes to outer membranes of exogenous mitochondria. The preparation method comprises the following steps: S1: extracting exogenous cell membranes from cells; S2: separating and extracting exogenous mitochondria from cells or tissue; and S3: mixing the separated and extracted exogenous mitochondria with the exogenous cell membranes in a specific ratio, thereby attaching the exogenous cell membranes to the outer membranes of the exogenous mitochondria to obtain the engineered mitochondria. The invention enables the production of engineered mitochondria with enhanced biological activity, exhibiting improved therapeutic effects on mitochondrial dysfunction-related disorders.

Abstract: A model optimization method for additive manufacturing may include: acquiring an explicit model of a concept design for additive manufacturing; converting the explicit model to an implicit model represented by a signed distance field formed by a shortest distance from each voxel in a working space to a boundary point of the concept design; determining an unfeasible geometric feature for current additive manufacturing and a detection threshold corresponding thereto; subjecting the implicit model to unfeasible geometric feature detection and iterative processing for correction and optimization based on the detection threshold of the determined unfeasible geometric feature, to obtain an optimized implicit model; and converting the optimized implicit model to an optimized explicit model.

Abstract: A lock assembly includes a casing, a blocking unit, and a lock unit. The blocking unit includes a blocking member operable to move between an open position and a block position. The lock unit includes an engaging member, an electric unlock module, and a manual unlock module. The engaging member has a main body having first and second abutment portions, and is movable between an engaging position for engaging the blocking member when the blocking member is in the block position, and an unlocked position for disengaging from the blocking member. One of the electric unlock module and the manual unlock module is operable to abut a push member thereof against a corresponding one of the first and second abutment portions to linearly move the engaging member.

Abstract: A display apparatus includes a display panel having an image acquisition region within a display area. The display panel includes a substrate and a plurality of light-emitting elements over the substrate. The plurality of light-emitting elements include one or more first light-emitting elements positionally within the image acquisition region. At least one first light-emitting element includes a non-transparent electrode provided with at least one through-hole configured to allow the lights from the outside pattern to pass through the display panel.

Abstract: The disclosure provides a display device for head mounting, in particular a Maxwellian display device, with an enlarged eye-box. The display device includes a light source emitting light beams for forming an image, an optical system for guiding the light beams to a beam forming element. The beam forming element is configured to converge each of multiple sets of the light beams into a different point of convergence, for example on an exit pupil of the display device. Each point of convergence is a convergent viewing point for a user. The eye-box is thus enlarged.

Abstract: Provided are a method and apparatus for identifying the defect grade of a bad picture, and a storage medium. The method includes: determining the defect size of a defect from a bad picture; according to a product model corresponding to the bad picture, determining the design size of a pattern corresponding to a component that is adjacent to the position of the defect; determining the defect grade of the defect according to the defect type of the defect and a magnitude relationship between the defect size and the design size, wherein the defect grade is the degree to which the defect affects product yield.

Abstract: A method, computer system, and a computer program for monitoring synchronization and aggregation are provided. The method may include receiving a plurality of metrics and identifying a plurality of metadata associated with the plurality of metrics. The method may further include calculating a hash value of the plurality of metadata based on the plurality of metrics. The method may further include detecting at least one modification to the plurality of metadata based on the hash value and updating the plurality of metrics based on the at least one modification in which the plurality of metrics are displayed in a self-adapting metric diagram.

Abstract: Provided is a nanoparticle comprising a pH-responsive polymer, a pH-insensitive polymer and a payload molecule. The nanoparticle can act as a system for delivery of the payload that releases the payload in a pH sensitive manner.