Abstract: A vision system capable of performing run-time 3D calibration includes a mount configured to hold an object, the mount including a 3D calibration structure; a camera; a motion stage coupled with the mount or the camera; and a computing device configured to perform operations including: acquiring images from the camera when the mount is in respective predetermined orientations relative to the camera, each of the acquired images including a representation of at least a portion of the object and at least a portion of the 3D calibration structure that are concurrently in a field of view of the camera; performing at least an adjustment of a 3D calibration for each of the acquired images based on information relating to the 3D calibration structure as imaged in the acquired images; and determining 3D positions, dimensions or both of one or more features of the object.

Abstract: A shift register circuit, a driving circuit, a display device and a driving method. The shift register circuit including P shift registers that are cascaded and a bypass output circuit, wherein each of the P shift registers includes a first scan output terminal, the first scan output terminal is configured to output a first scan signal, the bypass output circuit includes Q control terminals and a second scan output, the Q control terminals of the bypass output circuit are configured to receive the first scan signal, and the bypass output circuit is configured to output a second scan signal under control of the first scan signal received by the Q control terminals respectively, P is an integer greater than or equal to 2, and Q is an integer less than or equal to P.

Abstract: Embodiments of the present disclosure disclose a method, apparatus, and device for fusing features applied to small target detection, and a storage medium, relate to the field of computer vision technology. A particular embodiment of the method for fusing features applied to small target detection comprises: acquiring feature maps output by convolutional layers in a Backbone network; performing convolution on the feature maps to obtain input feature maps of feature layers, the feature layers representing resolutions of the input feature maps; and fusing, based on densely connection feature pyramid network features, the input feature maps of each feature layer to obtain output feature maps of the feature layer. Since no additional convolutional layer is introduced for feature fusion, the detection performance for small targets may be enhanced without additional parameters, and the detection ability for small targets may be improved with computing resource constraints.

Abstract: This disclosure relates to providing a high availability computing service in a distributed system. In one aspect, a method includes sending, by a computing unit of multiple computing units that are each executing a respective copy of a computing task, a certificate request to a trusted certificate generator. The request includes authentication information. The authentication information includes a code hash of the computing task. The computing unit receives a certificate report including a public key certificate in a certificate chain generated for the code hash and a private key corresponding to the public key certificate. The public key certificate and the private key form a certificate pair. The certificate chain includes multiple certificates including the public key certificate and a root certificate corresponding to the public key certificate. The computing unit is used as a TLS server. The certificate pair is set as a certificate pair of the TLS server.

Abstract: An antenna is provided. The antenna includes a substantially transparent base substrate; a first pattern having a first feed point and a second pattern having a second feed point spaced apart from each other, a first feed line electrically connected to the first pattern through the first feed point; and a second feed line electrically connected to the second pattern through the second feed point. A first width along a first direction, of the first pattern, gradually increases along a second direction. A second width along the first direction, of the second pattern, gradually increases along a third direction substantially opposite to the second direction. A third width along a fourth direction, of the first feed line, gradually increases along a fifth direction. A fourth width along a sixth direction, of the second feed line, gradually increases along a seventh direction.

Abstract: Disclosed are a method and apparatus for transmitting configuration information of a physical downlink control channel. The method comprises: acquiring state information of a terminal device, and generating dynamic signaling according to the state information of the terminal device, wherein the state information of the terminal device comprises service state information of the terminal device or channel state information of the terminal device; and sending the dynamic signaling to the terminal device, the dynamic signaling being used to indicate first configuration information of a search space, wherein the first configuration information is used to indicate that the terminal device monitors a physical downlink control channel (PDCCH). The technical problem of high power consumption of a terminal device in the prior art is solved.

Abstract: The present disclosure provides an etching method, a manufacturing method of a thin film transistor, a process device and a display device. The etching method includes: forming a patterned photoresist layer on the surface of a material to be etched, the patterned photoresist layer exposing an area to be etched on the surface of the material to be etched; curing the photoresist layer by adopting a plasma process; and etching the material to be etched by adopting an etching solution corresponding to the material to be etched. The present disclosure can help to solve the problem of undercutting and improve the product yield and product performances.

Abstract: The present invention discloses a method and an apparatus for monitoring an elevator door-opening operation fault. The method includes: acquiring elevator control signals from a serial interface between an elevator controller and a control box by using a preset data acquisition device, wherein the elevator control signals include an elevator operation signal, an elevator door control signal, an elevator internal call signal and an elevator floor signal; monitoring whether there is an elevator door fault in the elevator based on the elevator operation signal, the elevator door control signal and the elevator floor signal; when there is the elevator door fault in the elevator and the elevator internal call signal is in a preset level state, determining that there is the elevator door-opening operation fault in the elevator. The present invention is lower in use cost and may be easily popularized and applied.

Abstract: The present disclosure provides a wire structure for a display panel, a display panel, a display device, and a manufacturing method. The wire structure includes a first wire layer and a thermally conductive layer above the first wire layer. A thermal conductivity of the thermally conductive layer is greater than a thermal conductivity of the first wire layer.

Abstract: The invention provides a dynamic positioning and thrust distribution method based on an artificial neural network, is a quadratic programming problem in the optimization problem, and can compute the thrust coefficient of a rear thruster in a constraint condition of a thrust distribution problem by taking into account of the corner of a front thruster and through the artificial neural network. Then the optimization problem enabling the power of the thruster to be minimized is solved according to a sequential quadratic programming algorithm, so that a thrust distribution scheme on the azimuth thrusters is obtained. Meanwhile the invention further provides a dynamic positioning and thrust distribution device based on an artificial neural network.

Abstract: The present application discloses example methods and systems. In one example method, sound wave information associated with a data transmission is monitored within a predetermined distance from the client device, where the sound wave information including predetermined security information. In response to detecting sound wave information associated with a data transmission, the sound wave information is parsed to obtain the predetermined security information included in the detected sound wave information. Pattern information is generated based on the predetermined security information and data information to be sent. The generated pattern information is then displayed so that a second device can obtain the generated pattern information.

Abstract: An arch foot maintaining device includes a plurality of supporting structures, and the supporting structure includes a base, two base supporting seats, a hydraulic jack, a roller, and a roller supporting seat. The base is a cuboid with equal length and width, a through hole running through side surfaces of the base is provided on the base. A vertical guide groove is provided on each of the two base supporting seats. The roller supporting seat is U-shaped and located between the two base supporting seats, and the roller is rotatably supported in the roller supporting seat. Two ends of a central axis of the roller are respectively located in the two guide grooves, the hydraulic jack is disposed within the base, and a top of the hydraulic jack abuts against a bottom of the roller supporting seat.

Abstract: Techniques and systems are provided for determining features for one or more objects in one or more video frames. For example, an image of an object, such as a face, can be received, and features of the object in the image can be identified. A size of the object can be determined based on the image, for example based on inter-eye distance of a face. Based on the size, either a high-resolution set of features or a low-resolution set of features is selected to compare to the features of the object. The object can be identified by matching the features of the object to matching features from the selected set of features.

Abstract: An antenna of a mobile terminal is provided. At least two slots are disposed in a metal bezel of the mobile terminal, and the two slots divide the metal bezel into a first metal section, a second metal section, and a third metal section. A radiating element of the antenna includes the second metal section located between the two slots, a first conductor, and a second conductor. The first conductor and the second conductor are separately connected to the second metal section. A feed point is connected to the first conductor by using a matching network. A ground point is connected to the second conductor to form a loop antenna. An electrical length path of current from the feed point to the second metal section is not equal to an electrical length path of current from the ground point to the second metal section.

Abstract: Embodiments of the present invention provide a resource mapping method. The method includes: obtaining a modulation symbol generated based on M code words, where M is a positive integer greater than or equal to 1; mapping the modulation symbol generated based on the M code words to a time-frequency resource in one or more mapping patterns, where the mapping pattern is a pattern of mapping every Q modulation symbols to one mapping unit, the mapping unit includes F resource units, F is a positive integer greater than or equal to 1, Q is a positive integer meeting 1?Q?F, the mapping pattern includes a sparse mapping pattern, and the sparse mapping pattern is a mapping pattern meeting F?2 and 1?Q<F; and sending the mapped modulation symbol generated based on the M code words.

Abstract: A display device, an electronic device, and a method for driving a display device are provided. The display device includes a display panel and a plurality of image sensors. The display panel has a display side and a back side opposite to the display side, the plurality of image sensors are independent at a plurality of independent positions on the back side of the display panel, and the plurality of image sensors are configured to integrally obtain depth image information of a target to be detected on the display side of the display panel.

Abstract: Disclosed are a display device and a display method thereof. The display device includes a data acquisition portion and a display portion. The data acquisition portion is configured to acquire light field information, and the data acquisition portion includes a plurality of first optical structures and a plurality of photosensitive unit groups, the first optical structures are at a light incident side of the photosensitive unit groups, and the first optical structures are in one-to-one correspondence with the photosensitive unit groups. The display portion is configured to display the light field information acquired by the data acquisition portion, the display portion includes a plurality of second optical structures and a plurality of sub-pixel groups, the second optical structures are at a light exit side of the sub-pixel groups, and the sub-pixel groups are in one-to-one correspondence with the second optical structures.

Abstract: The present application discloses display-driving circuit for multiple rows of pixels in a column of a display panel. The display-driving circuit includes a compensation sub-circuit comprising a driving transistor, a data-input transistor, a drive-control transistor, a reset transistor, and a capacitor. The compensation sub-circuit is configured to compensate a drift of a threshold voltage of the driving transistor to drive light emission of multiple light-emitting diodes associated with respective multiple rows of pixels in the column.

Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for fingerprint recognition. The method may comprise turning on a first subset of a plurality of light sources located on an apparatus, capturing a first fingerprint acquisition frame using a plurality of image sensors on the apparatus, turning on a second subset of the plurality of light sources, and capturing a second fingerprint acquisition frame using the plurality of image sensors. The first fingerprint acquisition frame may include a first set of valid image zones and a first set of invalid image zones. The second fingerprint acquisition frame may include a second set of valid image zones and a second set of invalid image zones. The second set of valid image zones at least partially covers areas of a finger touching interface different from the first set of valid image zones.

Abstract: The present disclosure discloses an array substrate and a micro total analysis device. The array substrate includes: a substrate, a plurality of pixel regions arranged on the substrate and defined by the intersection of a plurality of data lines and a plurality of gate lines, and a plurality of drive transistors arranged in the plurality of pixel regions respectively; each drive transistor includes first active layer pattern, a first extension direction of the first active layer pattern forms a first preset angle with a gate line, and in a first preset angle direction, the first active layer pattern spans a pixel region in an inclined manner; and source and drain electrodes of the each drive transistor are coupled with the active layer pattern in the first preset angle direction.