Abstract: The present disclosure provides a video generation method and apparatus, a device, and a medium and a product, and relates to the technical field of computers. The method includes: acquiring description information of a target video to be generated; according to the description information of the target video, acquiring, from a video material library, a target clip corresponding to the description information; splicing the target clip with each candidate clip of a plurality of candidate clips in the video material library respectively to obtain a plurality of candidate videos; evaluating a score of each candidate video of the plurality of candidate videos; and generating the target video according to the score of each candidate video of the plurality of candidate videos.

Abstract: A chamber arrangement includes a chamber body, a substrate support, and a laser source. The substrate support is arranged within the chamber body and supported for rotation about a rotation axis relative to the chamber body. The laser source is arranged outside of the chamber body and optically coupled to the substrate support along a lasing axis. The lasing axis intersects the substrate support at a location radially outward from an outer periphery of a substrate seated on the substrate support. A semiconductor processing system and a material layer deposition method are also described.

Abstract: An object mapping system for determination of a point of interest (POI) in an environment, including: creating a map of the environment; performing object recognition to locate objects of interest based on characteristics of the environment; generating a map with tags of the objects and the characteristics; providing navigation to guide a device to an object of interest selected from the objects based on a distance from a current location to a destination location of the device; determining angles from an initial position of a laser pointer to the object; generating signals to rotate servomotors based on the angles; processing the signals to rotate the servomotors such that the pointer is rotated from the initial position in coordinate-based directional angles to the object; generating a laser beam that targets the object for determination of the POI associated with the object that is associated with destination location of the computing device.

Abstract: A detection method of polyethylene glycol monomethyl ether residue in medicinal materials is provided, which belongs to a technical field of medicinal chemical component detection, and includes: detecting a residual amount of mPEG-2000 in 3000-3400 small-molecule mPEG-b-PDLLA by high-performance liquid chromatography with an evaporative light scattering detector. The present invention solves a problem that the copolymer polyethylene glycol monomethyl ether mPEG and the product polyethylene glycol monomethyl ether-polylactic acid block copolymer mPEG-b-PDLLA are difficult to be separated in the high-performance liquid chromatography and there is no UV absorption. The present invention also has high resolution, high sensitivity, sufficient reproducibility and sufficient selectivity.

Abstract: The present disclosure discloses an atmospheric-pressure plasma equipment for fabric functional finishing and its application, and belongs to the field of textile printing and dyeing engineering. The atmospheric-pressure plasma equipment, including a discharging system, a grafting instrument and a cloth guider, can conduct continuous plasma treatment on fabrics under an atmospheric pressure, including plasma etching and plasma grafting, which breaks through the disadvantage of batch processing of vacuum plasma equipment. The equipment and method of the present disclosure realize functional finishing of the fabrics in the absence of water, and this finishing process is cost efficient, environmentally friendly, uniform, shorter treatment time and higher reactivity, and applicable to many materials and can keep the bulk properties of the treated substances.

Abstract: Embodiments of the disclosure provide an information processing method, an information processing apparatus, and a storage medium. The method includes: obtaining source data; encoding sub-data in the source data based on a target word feature vector to obtain hidden feature vectors corresponding to the sub-data, the target word feature vector representing a sentiment feature standard; obtaining a word feature vector corresponding to the source data based on the hidden feature vectors corresponding to the sub-data; and inputting the word feature vector into a preset sentiment classification network to obtain a result of sentiment polarity prediction of the source data. According to the embodiments of the disclosure, the accuracy of sentiment polarity prediction may be improved.

Abstract: A method for acquiring point of interest (POI) representation information, includes: acquiring a POI relationship graph, and acquiring a node relationship set of each node on the POI relationship graph based on the POI relationship graph, in which the POI relationship graph includes edges representing relationships between nodes of POIs, and the node relationship set includes relationship paths where the node reaches all second-order neighbor nodes via any one first-order neighbor node; acquiring a spatial distance matrix between the node and corresponding second-order neighbor nodes; and determining first POI representation information of the node based on the node relationship set of the node and the spatial distance matrix.

Abstract: A method includes determining a quantity of errors for a bit string based on a quantity of bits having a logical value of one within the bit string and writing an indication corresponding to the quantity of errors for the bit string to an array of memory cells. The method can further include determining that the quantity of errors for the bit string has reached a threshold quantity of errors and refraining from performing a subsequent operation to determine the quantity of errors for the bit string in response to determining that the quantity of errors for the bit string has reached the threshold quantity of errors.

Abstract: Systems and methods for autonomous lane level navigation are disclosed. In one aspect, a control system for an autonomous vehicle includes a processor and a computer-readable memory configured to cause the processor to receive a partial high-definition (HD) map that defines a plurality of lane segments that together represent one or more lanes of a roadway, the partial HD map including at least a current lane segment. The processor is also configured to generate auxiliary global information for each of the lane segments in the partial HD map. The processor is further configured to generate a subgraph including a plurality of possible routes between the current lane segment and the destination lane segment using the partial HD map and the auxiliary global information, select one of the possible routes for navigation based on the auxiliary global information, and generate lane level navigation information based on the selected route.

Abstract: Disclosed are a super-resolution imaging system (1, 41, 51), a super-resolution imaging method, a biological sample identification system (4, 61) and method, a nucleic acid sequencing imaging system (5) and method, and a nucleic acid identification system (6) and method. The super-resolution imaging system (1, 41, 51) includes an illumination system (A) and an imaging system (B). The illumination system (A) outputs excitation light to irradiate a biological sample to generate excited light, and the imaging system (B) collects and records the excited light to generate an excited light image. The illumination system (A) includes an excitation light source (10, 10a) and a structured light generation and modulation device (11, 11a). The excitation light source (10, 10a) outputs the excitation light, and the structured light generation and modulation device (11, 11a) modulates the excitation light into structured light to irradiate the biological sample to generate the excited light.

Abstract: The present disclosure discloses a time service and positioning network system for an underground chain-shaped large space in a coal mine. The system adopts a base station-level network internal time synchronization method which takes an optical fiber time service as a main part and takes a satellite time service as an auxiliary part to construct a time service and positioning network system with an unified time within the ad-hoc network base stations, based on the ad-hoc network base stations linearly arranged in the underground chain-shaped large space in the coal mine. Through the network construction, the network stabilization and the network application, the system unifies the time reference of the base station-level network and improves the positioning accuracy of the network application by utilization of the base station-level network internal time synchronization method.

Abstract: The present disclosure discloses a time service and positioning network system for an underground chain-shaped large space in a coal mine. The system adopts a base station-level network internal time synchronization method which takes an optical fiber time service as a main part and takes a satellite time service as an auxiliary part to construct a time service and positioning network system with an unified time within the ad-hoc network base stations, based on the ad-hoc network base stations linearly arranged in the underground chain-shaped large space in the coal mine. Through the network construction, the network stabilization and the network application, the system unifies the time reference of the base station-level network and improves the positioning accuracy of the network application by utilization of the base station-level network internal time synchronization method.

Abstract: A powder-based three-dimensional printing (3DP) method, device and system, and a computer-readable storage medium. The method includes: analyzing printing images of layers corresponding to a part to be printed to determine a target print image and adding a preset mark to the target print image which includes a print image of a target layer that causes a previous powder layer of the target layer to displace during printing; acquiring an image to be printed of a current layer to be printed; identifying the image to be printed to determine whether the preset mark exists on the image to be printed; and if yes, processing the current layer to be printed and/or a previous powder layer of the current layer to be printed such that the previous powder layer of the current layer does not move with powder spreading of the current layer.

Abstract: Methods, systems, and assemblies suitable for gas-phase processes are disclosed. An exemplary assembly includes a susceptor ring and at least one injector tube. The injector tube can be disposed within the susceptor ring to provide a gas to a peripheral region of a substrate. Methods, systems, and assemblies can be used to obtain desired (e.g. composition and/or thickness) profiles of material on a substrate surface.

Abstract: An optical lens includes: a first region, including a first incident surface and a first emergent surface that face each other, wherein the first incident surface is for, when a display panel is detected, receiving a first light ray from a plane region, and the first light ray exits from the first emergent surface after passing through the first region; a second region, connected to the first region, including a second incident surface and a second emergent surface that face each other, wherein the second incident surface is for, when the display panel is detected, receiving a second light ray that is from a curved-surface region and propagates in a first direction, and the second light ray exits from the second emergent surface in a second direction after passing through the second region; and the first emergent surface and the second emergent surface are located in a same plane.

Abstract: The present invention a sparse optimization method based on cross-shaped three-dimensional imaging sonar array, comprising the following steps: first, constructing a beam pattern simultaneously applicable to a near field and a far field based on a cross-shaped array; then, constructing an energy function required by sparse optimization according to the beam pattern; then, introducing an array element position disturbance into a simulated annealing algorithm to increase the degree of freedom of the sparse process and increase the sparse rate of the sparse array, and using the simulated annealing algorithm to sparse optimization of the energy function; finally, after optimization, a sparse optimization cross-shaped array is obtained. The present invention ensures that the three-dimensional imaging sonar system has the desired performance at any distance, and greatly reduces the hardware complexity of the system.

Abstract: Provided herein are methods, compositions, devices, and systems for the 3D printing of biomedical implants. In particular, methods and systems are provided for 3D printing of biomedical devices (e.g., endovascular stents) using photo-curable biomaterial inks (e.g., or methacrylated poly(diol citrate)).