Abstract: Materials for, and methods of, colorizing a metallic surface with micro-gratings using vibration cutting technologies are provided. Micro-gratings on aluminum, brass, and stainless steel surfaces can be rapidly created to effect, under illumination, at least one color observable in the visible spectrum using elliptical vibration texturing, a vibration-assisted mechanical cutting process. The modified metallic surface can display multiple visible colors, an iridescent effect caused by changes in one or more cutting parameters employed to produce the micro-gratings, the angle of illumination by an incident light, and/or the viewing angle of the surface under illumination.

Abstract: Embodiments of the present disclosure provide an information processing method and an electronic device. The method comprises: modulating a first audio signal associated with a first channel in a first sound source file onto a first ultrasound signal to obtain a first modulated ultrasound signal; modulating a second audio signal associated with a second channel in a second sound source file onto a second ultrasound signal to obtain a second modulated ultrasound signal; transmitting a first ultrasound wave associated with the first modulated ultrasound signal, such that the first ultrasound wave, once reflected by a first reflection plane, produces a first audible sound signal corresponding to the first audio signal; and transmitting a second ultrasound wave associated with the second modulated ultrasound signal, such that the second ultrasound wave, once reflected by a second reflection plane, produces a second audible sound signal corresponding to the second audio signal.

Abstract: A method for communicating product development information includes generating, by a server, a first interface configured to facilitate uploading data that defines a 3D image of a product to the server, and to facilitate specifying reviewer identifying data associated with one or more reviewers for reviewing the 3D image. The method also includes receiving, via the first interface, the 3D image and the reviewer identifying data; generating, by the server, a second interface that includes a viewer that facilitates viewing the 3D image and one or more fields for specifying feedback information related to the 3D image. The method also includes receiving, via the second interface, feedback information related to the 3D image; and communicating the feedback information to a designer associated with the 3D image.

Abstract: The present disclosure provides an experimental loop system for fluidization exploitation of solid-state marine gas hydrate, comprising: four modules, namely a gas hydrate sample large-amount and rapid preparation module, a gas hydrate multi-scale smashing and slurry fidelity transfer module, a gas hydrate slurry pipeline conveying characteristic experiment module, and a data collection and monitoring and safety control module. The gas hydrate experimental loop device provided by the present disclosure may be used for researching the synthesis, decomposition, gas storage rate and phase equilibrium of gas hydrate, and researching the pipeline conveying flow resistance and heat transfer characteristics, and is significant for solving the blockage problem in the gas pipeline conveying process, storage and conveying of the gas hydrate, solid-state fluidization exploitation of the marine gas hydrate and pipeline conveying experimental simulation thereof.

Abstract: A clamping apparatus includes a main shaft, at least two pushing members, a follow member movably sleeved on the main shaft, a coupling member fixedly sleeved on the main shaft, at least two first linkages respectively pivoted to the follow member, at least two second linkages, and a nut. Each of the at least two second linkage is pivoted to the corresponding first linkage, the coupling member, and the corresponding pushing member. The nut is movably sleeved on the main shaft and positioned at a side of the follow member away from the coupling member. The nut is configured to move the follow member towards the coupling member, to enable the at least two pushing members to move away from the main shaft.

Abstract: A method and apparatus for processing a binocular disparity image are provided. A method of determining a disparity of a binocular disparity image that includes a left eye image and a right eye image includes acquiring features of a plurality of pixels of the binocular disparity image based on an event distribution of the binocular disparity image, calculating a cost matrix of matching respective pixels between the left eye image and the right eye image based on the features, and determining a disparity of each matched pair of pixels based on the cost matrix.

Abstract: A method and apparatus for acquiring an image disparity are provided. The method may include acquiring, from dynamic vision sensors, a first image having a first view of an object and a second image having a second view of the object; calculating a cost within a preset disparity range of an event of first image and a corresponding event of the second image; calculating an intermediate disparity of the event of the first image and an intermediate disparity of the event of the second image based on the cost; determining whether the event of the first image is a matched event based on the intermediate disparity of the event of the first image and the intermediate disparity of the event of the second image; and predicting optimal disparities of all events of the first image based on an intermediate disparity of the matched event of the first imaged.

Abstract: An image deblurring method and an image deblurring apparatus are provided. The image deblurring method includes acquiring a blurred image and a dynamic vision sensor (DVS) event set that is recorded by a DVS while the blurred image is exposed, and deblurring the blurred image, based on the DVS event set.

Abstract: Methods are disclosed for producing pancreatic beta cells in a subject. The methods include administering to the subject a vector encoding heterologous Pancreas duodenal homeobox protein (Pdx) 1 and MafA, wherein the vector does not encode Neurogenin 3 (Ngn3) and wherein the subject is not administered any other nucleic acid encoding Ngn3. The vector is administered intraductally into a pancreatic duct of the subject. Compositions are disclosed that include a) a viral vector comprising a promoter operably linked to a nucleic acids encoding Pdx1 and a nucleic acid encoding MafA, wherein the vector does not encode Ngn3; b) a buffer; and c) a contrast dye for endoscopic retrograde cholangiopancreatography. These compositions are of use in any of the methods disclosed herein.

Abstract: A data processing method and an electronic device are disclosed. The method comprises: causing at least one display content displayed by the at least one input/output display unit respectively to be independent from each other, so that processing on one current input/output display unit only affects the display content of the current input/output display unit, but does not affect other input/output display unit(s); obtaining a user operation on the at least one display area; synchronizing a system message between the at least one input/output display unit in response to the user operation, so that consistent system service is obtained from the at least one input/output display unit, wherein the at least one display content are identical or not identical.

Abstract: Augmented reality (AR) based component replacement and maintenance may include receiving a first wireless signal from a pair of AR glasses worn by a user. An image of a component viewed by the user may be analyzed and compared to a plurality of images of components stored in a database that includes information associated with the plurality of images of the components. Based on a match of the image of the component viewed by the user to one of the plurality of images of the components stored in the database, the component viewed by the user may be identified. An inventory of the identified component may be analyzed to determine whether a supplier includes the identified component in stock, and in response to a determination that the supplier includes the identified component in stock, an estimated time of delivery of the identified component to the user may be determined.

Abstract: Embodiments of the present disclosure provide an information processing method and an electronic device. The method comprises: modulating a first audio signal associated with a first channel in a first sound source file onto a first ultrasound signal to obtain a first modulated ultrasound signal; modulating a second audio signal associated with a second channel in a second sound source file onto a second ultrasound signal to obtain a second modulated ultrasound signal; transmitting a first ultrasound wave associated with the first modulated ultrasound signal, such that the first ultrasound wave, once reflected by a first reflection plane, produces a first audible sound signal corresponding to the first audio signal; and transmitting a second ultrasound wave associated with the second modulated ultrasound signal, such that the second ultrasound wave, once reflected by a second reflection plane, produces a second audible sound signal corresponding to the second audio signal.

Abstract: A method for communicating product development information includes generating, by a server, a first interface configured to facilitate uploading data that defines a 3D image of a product to the server, and to facilitate specifying reviewer identifying data associated with one or more reviewers for reviewing the 3D image. The method also includes receiving, via the first interface, the 3D image and the reviewer identifying data; generating, by the server, a second interface that includes a viewer that facilitates viewing the 3D image and one or more fields for specifying feedback information related to the 3D image. The method also includes receiving, via the second interface, feedback information related to the 3D image; and communicating the feedback information to a designer associated with the 3D image.

Abstract: A user management method and apparatus are provided. The user management method includes verifying whether a user included in an input image is a registered user based on a first classification model classifying the registered user; storing a feature corresponding to the user and extracted from the input image in a database in response to the user not being the registered user; generating a second classification model classifying the registered user and a candidate user corresponding to one of features stored in the database; and determining whether the candidate user is to be registered based on the second classification model.

Abstract: An object recognition apparatus and an object recognition method are provided. The object recognition method includes generating an input image based on an event flow of an object, generating a composite feature based on features extracted by a plurality of recognizers, and recognizing the object based on the composite feature.

Abstract: A method and apparatus for detecting an object using an event-based sensor is provided. An object detection method includes determining a feature vector based on target pixels and neighbor pixels included in an event image, and determining a target object corresponding to the target pixels based on the feature vector.

Abstract: A tornado shelter which meetts the structural performance criteria of ICC, FEMA, ASCE, AISI, and ACI, produced from trapezoidal cold-formed steel panels.

Abstract: A tornado shelter which meets the structural performance criteria of ICC, FEMA, ASCE, AISI, and ACI, produced from trapezoidal cold-formed steel panels.

Abstract: A data processing method and an electronic device are disclosed. The method comprises: causing at least one display content displayed by the at least one input/output display unit respectively to be independent from each other, so that processing on one current input/output display unit only affects the display content of the current input/output display unit, but does not affect other input/output display unit(s); obtaining a user operation on the at least one display area; synchronizing a system message between the at least one input/output display unit in response to the user operation, so that consistent system service is obtained from the at least one input/output display unit, wherein the at least one display content are identical or not identical.

Abstract: A clamping apparatus includes a main shaft, at least two pushing members, a follow member movably sleeved on the main shaft, a coupling member fixedly sleeved on the main shaft, at least two first linkages respectively pivoted to the follow member, at least two second linkages, and a nut. Each of the at least two second linkage is pivoted to the corresponding first linkage, the coupling member, and the corresponding pushing member. The nut is movably sleeved on the main shaft and positioned at a side of the follow member away from the coupling member. The nut is configured to move the follow member towards the coupling member, to enable the at least two pushing members to move away from the main shaft.