Abstract: Embodiments of this application disclose a video classification method performed by a computer device and belong to the field of computer vision (CV) technologies. The method includes: obtaining a video; selecting n image frames from the video; extracting respective feature information of the n image frames according to a learned feature fusion policy by using a feature extraction network, the learned feature fusion policy being used for indicating proportions of the feature information of the other image frames that have been fused with feature information of a first image frame in the n image frames; and determining a classification result of the video according to the respective feature information of the n image frames. By replacing complex and repeated 3D convolution operations with simple feature information fusion between adjacent image frames, time for finally obtaining a classification result of the video is therefore reduced, thereby having high efficiency.

Abstract: The high-position robot includes a pallet fork; an image collector and a distance sensor are arranged on the pallet fork; the image collector is configured to collect positioning information provided on a target stock container and obtain image data representing a positional relationship between the pallet fork and a projection image of the positioning information on a specified plane; and the distance sensor is configured to measure a distance between the pallet fork and a target stock container and obtain distance data. After a pallet fork lifts a storage container to be placed up to a same height as a target layer of a target stock container, adjusting and controlling a positional relationship between the pallet fork and a projection image of positioning information on a specified plane; and adjusting and controlling a distance between the pallet fork and the target stock container according to distance data.

Abstract: A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R1 where that atom is the farthest away from the metal among the atoms in R1; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R1, the first distance is longer than the radius r by at least 2.9 ?.

Abstract: A well cementing method is described for improving cementing quality by controlling the hydration heat of cement slurry. By controlling the degree and/or rate of hydration heat release from cement slurry, the method improves the hydration heat release during formation of cement with curing of cement slurry, improves the binding quality between the cement and the interfaces, and in turn improves the cementing quality at the open hole section and/or the overlap section. The cementing method improves cementing quality of oil and gas wells and reduces the risk of annular pressure.

Abstract: Compounds containing indolocarbazole and terphenyl building blocks are disclosed in this application. These compounds are useful for application in organic electroluminescent devices.

Abstract: Circulene compounds of Formula I or Formula II, and organic light emitting devices (OLED) that include an organic layer disposed between an anode and a cathode, wherein the organic layer includes a compound of Formula I or Formula II. In addition, the OLED can be incorporated into one or more of a consumer product, for example, an electronic component module, and/or a lighting panel.

Abstract: The disclosure provides a display substrate and a method of fabricating the same, and a display panel. The display substrate includes: a substrate; a transistor structure on the substrate; a flexible circuit board having one end coupled to the transistor structure, and the other end capable of being bent to a side of the substrate away from the transistor structure; and a blocking conductive layer on the flexible circuit board and configured to block an interference electric field in an external environment from affecting the display substrate.

Abstract: A navigation method based on ground texture images, an electronic device and storage medium. The method includes: performing transform domain based image registration on an acquired image of a current frame and an image of a previous frame, and determining a first pose of the image of the current frame; determining whether the image of the current frame meets a preset condition, and if so, inserting the image of the current frame as the key-frame image into a map, and performing loop closure detection and determining a loop key-frame image; performing transform domain based image registration on the image of the current frame and the loop key-frame image, and determining a second pose of the image of the current frame; and determining an accumulated error according to the first pose and the second pose, and correcting the map according to the accumulated error.

Abstract: Disclosed are an array substrate, a display panel and a driving method thereof. As the control unit is provided between the first electrode and the test circuit, when the panel is subsequently tested, the control unit may provide the circuit control signal received by the first electrode to the test circuit under the control of the third electrode, so as to detect whether the panel is qualified by using the test circuit. During subsequent display, the control unit may be used to cut off the first electrode from the test circuit, and fundamentally cut off the connection between the first electrode, and the test circuit and a flexible printed circuit, so that a display abnormality does not occur even if the first electrode is short-circuited.

Abstract: The disclosed are a mobile terminal, a housing therefor, and a method for manufacturing the housing. The housing includes a transparent main body formed integrally. The transparent main body has an outer surface and an inner surface opposite to each other and includes a flat plate portion and a side portion connected with each other, the side portion is disposed at a periphery of the flat plate portion, and a through hole is provided in the side portion. The outer surface of the transparent main body is provided with a light-shielding layer jointed with a side wall of the through hole. An orthographic projection area of the side wall of the through hole on a reference plane is located within an orthographic projection area of the light-shielding layer on the reference plane, and the reference plane is a geometric plane in parallel with the flat plate portion.

Abstract: The disclosure provides a display substrate and a method of fabricating the same, and a display panel. The display substrate includes: a substrate; a transistor structure on the substrate; a flexible circuit board having one end coupled to the transistor structure, and the other end capable of being bent to a side of the substrate away from the transistor structure; and a blocking conductive layer on the flexible circuit board and configured to block an interference electric field in an external environment from affecting the display substrate.

Abstract: A chip programming voltage detection circuit and a chip programming voltage detection method are disclosed. The chip programming voltage detection circuit comprises a detection subcircuit and a warning subcircuit. The detection subcircuit detects a voltage at a programming voltage output pin, and outputs a detection signal based on the voltage at the programming voltage output pin. The warning subcircuit is connected to a detection output terminal of the detection subcircuit, and is operated to issue a warning alarm in a case where the detection signal indicates that the voltage at the programming voltage output pin does not reach a voltage required for an IC chip programming.

Abstract: The high-position robot includes a pallet fork; an image collector and a distance sensor are arranged on the pallet fork; the image collector is configured to collect positioning information provided on a target stock container and obtain image data representing a positional relationship between the pallet fork and a projection image of the positioning information on a specified plane; and the distance sensor is configured to measure a distance between the pallet fork and a target stock container and obtain distance data. After a pallet fork lifts a storage container to be placed up to a same height as a target layer of a target stock container, adjusting and controlling a positional relationship between the pallet fork and a projection image of positioning information on a specified plane; and adjusting and controlling a distance between the pallet fork and the target stock container according to distance data.

Abstract: A video content recognition method is performed by a computer device, the method including: obtaining an image feature corresponding to a video frame set extracted from a target video; dividing the image feature into a plurality of image sub-features according to a preset sequence, and each image sub-feature having a corresponding channel; choosing, from the image sub-features based on the preset sequence, a current image sub-feature; image sub-feature fusing the current image sub-feature and a convolution processing result of a previous image sub-feature into a fused image sub-feature, and performing convolution processing on the fused image sub-feature, to obtain a convolved image sub-feature corresponding to the current image sub-feature; splicing a plurality of convolved image sub-features corresponding to the plurality of channels of the convolved image sub-feature, to obtain a spliced image feature; and determining video content corresponding to the target video based on the spliced image feature.

Abstract: Embodiments of this application disclose a video classification method performed by a computer device and belong to the field of computer vision (CV) technologies. The method includes: obtaining a video; selecting n image frames from the video; extracting respective feature information of the n image frames according to a learned feature fusion policy by using a feature extraction network, the learned feature fusion policy being used for indicating proportions of the feature information of the other image frames that have been fused with feature information of a first image frame in the n image frames; and determining a classification result of the video according to the respective feature information of the n image frames. By replacing complex and repeated 3D convolution operations with simple feature information fusion between adjacent image frames, time for finally obtaining a classification result of the video is therefore reduced, thereby having high efficiency.

Abstract: The disclosed are a mobile terminal, a housing therefor, and a method for manufacturing the housing. The housing includes a transparent main body formed integrally. The transparent main body has an outer surface and an inner surface opposite to each other and includes a flat plate portion and a side portion connected with each other, the side portion is disposed at a periphery of the flat plate portion, and a through hole is provided in the side portion. The outer surface of the transparent main body is provided with a light-shielding layer jointed with a side wall of the through hole. An orthographic projection area of the side wall of the through hole on a reference plane is located within an orthographic projection area of the light-shielding layer on the reference plane, and the reference plane is a geometric plane in parallel with the flat plate portion.

Abstract: The present invention relates to a method for vitrification and thawing of oocytes of animals for somatic cell cloning. More specifically, the present disclosure relates to a method for vitrification and thawing of canine oocytes, and to thus produced frozen-thawed oocytes. In a conventional approach of the vitrification-frozen oocyte production for the dog, an estrous cycle may not coincide with an experimental schedule. However, the method for vitrification and thawing of the canine oocyte according to the present disclosure and the resulting frozen-thawed oocyte allows an experimental schedule to coincide with the estrous cycle, resulting in high nuclear transfer and fertilization effects.

Abstract: The purpose of the present invention is to provide a technique for imaging the brain of a live animal and application of the technique. A radiolabeled dibenzoazepine derivative, which shows excellent brain parmeability, high receptor selectivity and high quantitativity, is used for imaging a live animal body. A dibenzoazepine derivative is used for treating a disease in which hM4D receptor or hM3D receptor participates. Further, a radiolabeled dibenzoazepine derivative is used for imaging an axonal end which is innervated by a nerve cell.

Abstract: A switch timing controlling circuit includes a first timing controlling circuit including a first inverting sub-circuit configured to form a first inverting signal that is inverted from an initial signal having a first level as an inactive level and a second level as an active level input from an initial signal terminal; a first delaying sub-circuit configured to delay a time point of the first inverting signal at which the first inverting signal changes from the first level to the second level to form a first delaying signal; and a second inverting sub-circuit configured to form a reset signal inverted from the first delaying signal; and a second timing controlling circuit including a second delaying sub-circuit configured to delay a time point of the initial signal at which the initial signal changes from the first level to the second level to form a display control signal.

Abstract: A chip programming voltage detection circuit and a chip programming voltage detection method are disclosed. The chip programming voltage detection circuit comprises a detection subcircuit and a warning subcircuit. The detection subcircuit detects a voltage at a programming voltage output pin, and outputs a detection signal based on the voltage at the programming voltage output pin. The warning subcircuit is connected to a detection output terminal of the detection subcircuit, and is operated to issue a warning alarm in a case where the detection signal indicates that the voltage at the programming voltage output pin does not reach a voltage required for an IC chip programming.