Abstract: A medical image processing method and processing apparatus, and a computer readable storage medium. The method includes: obtaining a to-be-processed image; performing a feature extraction on the to-be-processed image to obtain a corresponding feature image; and re-determining a pixel value of each pixel in the to-be-processed image based on first information and second information of a corresponding pixel in the feature image, and processing the to-be-processed image; wherein the first information is information of a pixel adjacent to the corresponding pixel in the features image, and the second information is information of a pixel that is not adjacent to and is similar to the corresponding pixel in the features image.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: applying, for a conversion between a video unit of a video and a bitstream of the video unit, a processing procedure to at least one motion candidate in a motion candidate list; reordering at least one subgroup of motion candidates in the motion candidate list by applying a first reordering procedure to the motion candidate list after the processing procedure, wherein the processing procedure comprises at least one of: a modification process, a motion refinement process, or a second reordering process; and performing the conversion based on the reordered motion candidates.

Abstract: Example implementations include methods, apparatuses and computer storage media for video processing. One example method comprises determining, during a conversion between a current video block of a video and a bitstream of the video, a motion candidate for the current video block; refining the motion candidate by performing a local search around the motion candidate based on a template matching cost rule; and performing the conversion based on the refined motion candidate, wherein a search order of the local search is related to a coding mode of the current video block.

Abstract: The present disclosure is related to systems and methods for processing X-ray images. A method for processing an X-ray image may include obtaining an X-ray image; and determining a metal image based on the X-ray image by using a trained metal detection model. The metal image includes information of a metal object in the X-ray image.

Abstract: Disclosed herein are system, method, and computer program product embodiments for hybrid-type authorization. An embodiment operates by parsing a policy expression into an abstract syntax tree (AST) and receiving, from a local server, user attribute data of a user. The embodiment further operates by traversing the AST to evaluate the user attribute data and determining whether a result of the traversing is indeterminate. In addition the embodiment operates by sending, to a remote server, a request for additional user attribute data in response to determining that the result is indeterminate, and receiving, from the remote server, the additional user attribute data. Then the embodiment operates by re-traversing the AST to evaluate the user attribute data and the additional user attribute data, authorizing the user based on at least one of the traversing or re-traversing, and outputting an authorization result.

Abstract: An assessment and control method, system and device for time-energy efficiency of CNC machine tools. The method comprises: comprehensively analyzing the influence of factors of the startup rate and extra startup frequency of a CNC machine tool on the energy efficiency of the CNC machine tool, and constructing a mathematical model of the time-energy efficiency of the CNC machine tool and the startup rate and extra startup frequency of the CNC machine tool. The time-energy efficiency of the CNC machine tool is monitored to realize the overlimit warning function for the time-energy efficiency of the CNC machine tool to finally control the time-energy efficiency of the CNC machine tool within a target range. The present invention analyzes the influence of the downtime loss of the CNC machine tool on the energy efficiency of the CNC machine tool, and can realize overlimit warning for time-energy efficiency of the CNC machine tool.

Abstract: The present disclosure provides a solution for video processing. A method for video processing comprises: selecting, for a conversion between a current video block of a video and a bitstream of the video, a target scheme from a plurality of candidate schemes for adjusting a merge candidate for the current video block; and performing the conversion based on the target scheme, wherein the plurality of candidate schemes comprise at least one of a first set of candidate schemes and a second set of candidate schemes, in each of the first set of candidate schemes, a first motion vector (MV) of the merge candidate is adjusted with a first motion vector difference (MVD), and a second MV of the merge candidate is kept unadjusted, in each of the second set of candidate schemes, the second MV is adjusted with a second MVD, and the first MV is kept unadjusted.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current video block of a video and a bitstream of the video, that a first prediction mode is applied to the current block, determining, in the prediction mode, a block vector for the current video block based on at least one motion candidate and block vector difference information; and performing the conversion based on the block vector.

Abstract: Disclosed are a monooxygenase mutant and use thereof. An amino acid sequence of a monooxygenase mutant is an amino acid sequence obtained by mutating an amino acid sequence as shown in SEQ ID NO: 1. Mutation includes at least one of the following mutation sites: site 49, site 60, site 61, site 144, site 145, site 146, site 147, site 167, site 169, site 189, site 246, site 247, site 280, site 284, site 285, site 286, site 287, site 328, site 330, site 332, site 382, site 427, site 428, site 429, site 430, site 431, site 432, site 433, site 434, site 435, site 436, site 438, site 441, site 493, site 494, site 508, site 509, site 510, site 511, site 512, and site 513 sites and the like.

Abstract: The present disclosure relates to systems and methods for image processing. The system may obtain at least one image of an object. For each of the at least one image, the system may determine a recognition result of the image. The recognition result may include an image type of the image, a type of a lesion in the image, a region of the lesion in the image, and/or an image feature of the image. Further, the system may process the at least one image of the object based on at least one recognition result corresponding to the at least one image.

Abstract: Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: applying, for a conversion between a video unit of a video and a bitstream of the video unit, a processing procedure to at least one motion candidate in a motion candidate list; reordering at least part of motion candidates in the motion candidate list by applying a first reordering procedure to the motion candidate list after the processing procedure; and performing the conversion based on the reordered motion candidates.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current video block of a video and a bitstream of the video, at least one history-based motion vector prediction (HMVP) table of the current video block based on at least one of the following: a motion vector (MV) difference threshold for comparing at least two MVs of at least two HMVP candidates, a coding mode of the current video block, or a reference picture list index associated with the current video block; and performing the conversion based on the at least one HMVP table.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a video unit of a video and a bitstream of the video, a block vector of the video unit based on a base block vector candidate and a parameter related to a block vector difference; and performing the conversion based on the block vector.

Abstract: Methods and apparatuses for training a magnetic resonance imaging model, electronic devices and computer readable storage media are provided.

Abstract: The patent discloses a method for efficiently collecting and purifying Orobanche cumana (O. cumana) germination stimulants using aeroponic system and solid-phase extraction (SPE), including the following steps: (1) sunflower seeds germination, then planting sunflower seedlings in aeroponic device, and cultivating the sunflower seedlings in the aeroponic system; at the aeroponic stage, phosphorus-containing aeroponic nutrient solution is first used to cultivate the sunflower seedlings for 20 to 25 days, and phosphorus-free aeroponic nutrient solution is then used instead to subject the sunflower seedlings to starvation cultivation for 5 to 7 days; and (2) passing all nutrient solutions in the aeroponic device through an SPE cartridge for SPE to extract O. cumana germination stimulants. The obtained O. cumana germination stimulants are diversified, and have high concentration and purity.

Abstract: An intelligent obstacle detection system for an unmanned mine vehicle is provided to solve the problem of existing intelligent obstacle detection systems for unmanned mine vehicles cannot compare and analyze the actual driving data with the preset data and includes an intelligent detection platform, a route planning device, an obstacle detection device, a planning management device, an operation monitoring device, and a storage device. The route planning device is configured to perform route planning analysis for the unmanned mine vehicle to obtain a planned route of the unmanned mine vehicle. The planned route is sent to the obstacle detection device. The intelligent obstacle detection system can plan and analyze the travel route. By locking onto starting and target positions of the unmanned mine vehicles, and then obtaining point cloud data through the detection terminals and calculating with algorithms, the optimal planned route can be determined.

Abstract: Provided is a ketoreductase mutant and a method for producing chiral alcohol using the same. The ketoreductase mutant has a sequence with amino acid mutations in the sequence shown in SEQ ID NO:1. The mutation sites include at least one of the following positions: 6th position, 21st position, 42nd position, 58th position, 61st position, 76th position, 87th position, 94th position, 96th position, 108th position, 113th position, 117th position, 144th position, 146th position, 147th position, 149th position, 151st position, 152nd, 156th position, 165th position, 177th position, and 198th position.

Abstract: The present invention provides a binder composition comprising (a) at least one fluoropolymer comprising the residue of vinylidene fluoride; and (b) a solvent system comprising (i) a trialkyl phosphate; and (ii) a co-solvent comprising a lactone and/or a molecule comprising a sulfoxide and/or sulfone functional group; wherein the trialkyl phosphate and the co-solvent together comprise at least 50% by weight of the solvent system, based on the total weight of the solvent system. Also disclosed are slurry compositions, electrodes, and electrical storage devices.

Abstract: Provided are a lipase mutant and an application thereof. Specifically, one or more mutations selected from A262H, A338V, V3641, A158PN, and 1159N are generated on the basis of an amino acid sequence as shown in SEQ ID NO: 1; and compared with a parental lipase, a change in the structure and function of a protein occurs in the lipase mutant, and the stereoselectivity is improved, such that a usage amount of an enzyme is decreased to a certain extent, the post-treatment difficulty is reduced, and the lipase mutant is suitable for industrial production.

Abstract: Provided are a transaminase mutant and an application thereof. The transaminase mutant has an amino acid mutation based on a sequence shown in SEQ ID NO: 1, the amino acid mutation being a single position mutation from among W60Y, Y168A, V379W, V379L, V379M, C418Q and C418W or a combination thereof. The activity, stability, and tolerance to temperature, pH and organic solvents of such transaminase mutants are improved. The present application solves the problem of poor tolerance of extreme environments by transaminase in the prior art, and is suitable for the field of enzyme engineering.