Abstract: In various embodiments, a scene reconstruction model generates three-dimensional (3D) representations of scenes. The scene reconstruction model computes a first 3D feature grid based on a set of red, blue, green, and depth (RGBD) images associated with a first scene. The scene reconstruction model maps the first 3D feature grid to a first 3D representation of the first scene. The scene reconstruction model computes a first reconstruction loss based on the first 3D representation and the set of RGBD images. The scene reconstruction model modifies at least one of the first 3D feature grid, a first pre-trained geometry decoder, or a first pre-trained texture decoder based on the first reconstruction loss to generate a second 3D representation of the first scene.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining a first reference picture list (RPL) for a target picture of a video; determining a set of candidate pictures from a plurality of coded pictures of the video, each of the set of candidate pictures having a same temporal layer identity (ID) as the target picture; obtaining a second RPL based on the set of candidate pictures and the first RPL; and performing a conversion between the target picture and a bitstream of the video based on the second RPL. Compared with the conventional solution, the proposed method can advantageously improve the coding efficiency.

Abstract: In various embodiments, a scene reconstruction model generates three-dimensional (3D) representations of scenes. The scene reconstruction model maps a first red, blue, green, and depth (RGBD) image associated with both a first scene and a first viewpoint to a first surface representation of at least a first portion of the first scene. The scene reconstruction model maps a second RGBD image associated with both the first scene and a second viewpoint to a second surface representation of at least a second portion of the first scene. The scene reconstruction model aggregates at least the first surface representation and the second surface representation in a 3D space to generate a first fused surface representation of the first scene. The scene reconstruction model maps the first fused surface representation of the first scene to a 3D representation of the first scene.

Abstract: In various embodiments, a training application trains a machine learning model to generate three-dimensional (3D) representations of two-dimensional images. The training application maps a depth image and a viewpoint to signed distance function (SDF) values associated with 3D query points. The training application maps a red, blue, and green (RGB) image to radiance values associated with the 3DI query points. The training application computes a red, blue, green, and depth (RGBD) reconstruction loss based on at least the SDF values and the radiance values. The training application modifies at least one of a pre-trained geometry encoder, a pre-trained geometry decoder, an untrained texture encoder, or an untrained texture decoder based on the RGBD reconstruction loss to generate a trained machine learning model that generates 3D representations of RGBD images.

Abstract: Disclosed are a positive electrode material, a preparation method therefor, and an application thereof. The method includes: (1) performing a co-precipitation reaction by mixing a soluble manganese salt and a soluble metal M salt with carbonate, to obtain a co-precipitate containing MxMn1-xCO3; and (2) sintering the co-precipitate containing MxMn1-xCO3 in an air atmosphere to obtain the positive electrode material containing MxMn1-xP2, where M is at least one selected from Al, Zr, Ti, Ni, Co, Mg, Ta, Ca, Fe, Na, K, Cu, Zn, Nb, Sn, Sb, La and In, and where x is in a range from 0 to 1 excluding endpoints 0 and 1.

Abstract: A screening method for an amino acid sequence of a protein nanopore, a protein nanopore, and applications thereof. The screening method includes: evaluating a characteristic sequence of a dual-pore structure, using a model to search for an amino acid sequence matched with the characteristic feature of the dual-pore structure, removing a redundant candidate sequence and then performing positioning and screening, calculating the matching length and envelope length of the candidate sequence, then performing registration to obtain a relative mismatching relationship with a known protein nanopore, and performing analysis to obtain a final sequence.

Abstract: A method includes providing, within an etch chamber, a base structure including a target layer disposed on a substrate, and an etch mask disposed on the target layer, dry etching, within the etch chamber, the target layer using thionyl chloride to obtain a processed base structure, and after forming the plurality of features. The processed base structure includes a plurality of features and a plurality of openings defined by the etch mask. The method further includes removing the processed base structure from the etch chamber. In some embodiments, the target layer includes carbon. In some embodiments, the dry etching is performed at a sub-zero degree temperature.

Abstract: A multi-source domain adaptation model by aligning partial features includes a general feature extraction module, a feature selection module for partial feature extraction with the dedicated loss function, three partial feature alignment losses, and two classifiers for adversarial training, where the three partial feature alignment losses include an intra-class partial feature alignment loss, an inter-domain partial feature alignment loss, and an inter-class partial feature alignment loss. With the partial features extracted by the general feature extraction module and the feature selection module following three different partial feature alignment losses, the model is capable of clustering the samples from the identical categories and isolating samples from distinct classes.

Abstract: A method for forming dendritic mesoporous nanoparticles comprising preparing a mixture containing one or more polymer precursors, a silica precursor, and a compound that reacts with silica and reacts with the polymer or oligomer formed from the one or more polymer precursors, and stirring the mixture whereby nanoparticles are formed, and subsequently treating the nanoparticles to form dendritic mesoporous silica nanoparticles or dendritic mesoporous carbon nanoparticles. The silica precursor may comprise tetraethyl orthosilicate (TEOS), the one or more polymer precursors may comprise 3-aminophenol and formaldehyde and the compound may be ethylene diamine (EDA). There is a window of amount of EDA present that will result in asymmetric particles being formed. If a greater amount of EDA is present, symmetrical particles will be formed.

Abstract: The present invention discloses a fabrication method and use of a ?40 mm large-size and high-contrast fiber optic image inverter, belonging to the field of manufacturing of fiber optic imaging elements. The light-absorbing glass for preparing the ?40 mm large-size and high-contrast fiber optic image inverter consists of the following components in molar percentage: SiO2 60-69.9, Al2O3 1.0-10.0, B2O3 10.1-15.0, Na2O 1.0-8.0, K2O 3.0-10.0, MgO 0.1-1.0, CaO 0.5-5.0, ZnO 0-0.1, TiO2 0-0.1, ZrO2 0.1-1.0, Fe2O3 3.0-6.5, Co2O3 0.1-0.5, V2O5 0.51-1.5 and MoO3 0.1-1.0. The fiber optic image inverter has the advantages of low crosstalk of stray light, high resolution and high contrast.

Abstract: An eye-gaze tracking apparatus and a method of eye-gaze tracking. The eye-gaze tracking apparatus comprises: a plurality of foreground cameras each arranged to capture at least a portion of a target view area of a user; and an eye-gaze estimation module having at least one eye-gaze camera each arranged to capture an image an eye of the user, so as to estimate a position of a pupil of the eye based on the image of the eye; wherein each of the plurality of foreground cameras includes a field-of-view (FOV) being different from each other.

Abstract: A system for strabismus assessment and a method of strabismus assessment. The system comprises a display module arranged to display a visual stimulus to be observed by an observer; an image capturing module arranged to record a plurality of images of at least one eye of the observer observing the visual stimulus; and a processing module arranged to determine an ocular misalignment condition of the observer based on the plurality of images recorded by the image capturing module.

Abstract: The present invention features interferon-free therapies for the treatment of HCV. Preferably, the treatment is over a shorter duration of treatment, such as no more than 12 weeks. In one aspect, the treatment comprises administering at least two direct acting antiviral agents to a subject with HCV infection, wherein the treatment lasts for 12 weeks and does not include administration of either interferon or ribavirin, and said at least two direct acting antiviral agents comprise (a) Compound 1 or a pharmaceutically acceptable salt thereof and (b) Compound 2 or a pharmaceutically acceptable salt thereof.

Abstract: A first network device, a method, and a computer-readable medium for accessing an external network. The first network device includes a memory storing instructions, and a processor to execute the instructions to cause the first network device to carry out the following operations: determining a state of an uplink from the first network device to an external network; and in response to determining that the uplink of the first network device fails, switching the working mode of a first radio of the first network device from an access point AP mode to a station STA mode, causing a client device to connect to the first network device via at least one radio other than the first radio; causing a backup device to enable a hotspot mode; and connecting the first network device to the backup device via the first radio to connect to the external network.

Abstract: A wearable electronic device includes a radiative cooling interface for facilitating cooling of a wearable electronic device. The radiative cooling interface is flexible and is made at least partly of a radiative cooling material that includes a polymeric matrix and one or more materials dispersed in the polymeric matrix. The radiative cooling material is operable to facilitate reflection of solar radiation in at least some solar spectrum wavelengths, when the radiative cooling material is exposed to solar radiation. The radiative cooling material is also operable to facilitate emission of thermal radiation in at least some infrared spectrum wavelengths.

Abstract: A method and apparatus for controlling an image acquisition device are provided. The method includes that: multiple images photographed by multiple image acquisition devices are acquired; an active image acquisition device and an inactive image acquisition device in the multiple image acquisition devices are determined according to the multiple images; the active image acquisition device is controlled to photograph a first image by using a first configuration, and the inactive image acquisition device is controlled to photograph a second image by using a second configuration; the first image transmitted by the active image acquisition device is acquired, and the second image transmitted by the inactive image acquisition device is acquired, and a bandwidth required by the active image acquisition device to transmit the first image is greater than a bandwidth required by the inactive image acquisition device to transmit the second image.

Abstract: A method and apparatus for controlling an image acquisition device are provided. The method includes that: multiple images photographed by multiple image acquisition devices are acquired; an active image acquisition device and an inactive image acquisition device in the multiple image acquisition devices are determined according to the multiple images; the active image acquisition device is controlled to photograph a first image by using a first configuration, and the inactive image acquisition device is controlled to photograph a second image by using a second configuration; the first image transmitted by the active image acquisition device is acquired, and the second image transmitted by the inactive image acquisition device is acquired, and a bandwidth required by the active image acquisition device to transmit the first image is greater than a bandwidth required by the inactive image acquisition device to transmit the second image.

Abstract: Embodiments of the present disclosure belongs to the technical field of animal feed and provides a method for rapidly evaluating metabolizable energy of goose diet by using a technique of simulative digestion gross energy. By using the technical means combining the biological method and the simulative digestion gross energy technique, metabolizable energy of goose feed can be evaluated quickly. Based on the “stomach-small intestine” two-step enzymatic methods, it is the first time to establish a regression equation between the metabolizable energy change and fiber level in the cecum to rectify the value of simulative digestion gross energy in the cecal microbial digestion phase, making the simulative digestion gross energy technique more reasonable in the assessment of metabolizable energy in geese. Results show that the use of simulative digestion gross energy technique to assess the metabolizable energy of goose feed value is highly feasible.

Abstract: A room-temperature semiconductor maser, including a first matching network, a second matching network, a heterojunction-containing transistor, and a resonant network. The output end of the first matching network is connected to the drain of the heterojunction-containing transistor. The input end of the second matching network is connected to the source of the heterojunction-containing transistor. The gate of the heterojunction-containing transistor is connected to the resonant network. The pumped microwaves are fed into the input end of the first matching network.

Abstract: A handcuff ring with mechanism for enhanced locking includes a stationary strand and a movable strand. The stationary strand is provided therein with an engaging clement, a stop portion, and an elastic element that is located between, and can push respectively, the engaging element and the stop portion. At least one locking groove is formed on the front side and/or the rear side of the stationary strand, and a thin rod, when being inserted from outside into the locking groove, can press an end of the stop portion to displace the stop portion toward a keyhole, so that the abutting portions of the stop portion and the engaging element abut against each other. Accordingly, through the locking groove(s) located on the front side and/or the rear side of the handcuff ring, a user can conveniently push the stop portion by the thin rod to finish the enhanced locking process.