Abstract: An example method of video coding includes receiving a video bitstream for a plurality of encoded pictures. The method also includes deriving, using a first type of frame interpolation, a reconstruction picture for an encoded picture of the plurality of encoded pictures, and determining, based on a signaled indicator in the video bitstream, whether to apply loop filtering to the reconstruction picture. When the signaled indicator has a first value, a decoded picture for the encoded picture is derived by applying one or more loop filters to the reconstruction picture. When the signaled indicator has a second value, the decoded picture is derived without applying the one or more loop filters to the reconstruction picture.

Abstract: The various implementations described herein include methods and systems for coding video. In one aspect, a video bitstream includes a current coding block of an image frame and signals a first syntax element for a multi-hypothesis cross-component prediction (MH-CCP) mode. A computing system determines that the MH-CCP mode is enabled to reconstruct each of a plurality of chroma samples of the current coding block using a respective luma sample and one or more neighboring luma samples. The computing device determines a number (N) of model parameters used in the MH-CCP mode for at least the current coding block, and identifies one or more neighboring luma samples of a first luma sample based on the number (N) of model parameters. A first chroma sample that is collocated with the first luma sample is determined based on the first luma sample and the one or more neighboring luma samples.

Abstract: A method includes receiving a current picture, a first reference picture, and a second reference picture. The method includes obtaining a plurality of predefined weighting patterns, each weighting pattern being signaled as an index value and selecting a weighting pattern based on a predetermined condition. The method includes deriving a first weight to be applied to a first sub-block in the first reference picture and a second weight to be applied to a second sub-block in the second reference picture based on the index value corresponding to the selected weighting pattern. The method includes assigning the first weight to the first sub-block and the second weight to the second sub-block based on the selected weighting pattern. The method includes decoding the current block by a weighted bi-prediction based at least on the first sub-block weighted by the first weight and the second sub-block weighted by the second weight.

Abstract: A power drive circuit, includes: a battery pack, a first switch, a voltage adjustment circuit, a first bridge-arm conversion circuit, and a second bridge-arm conversion circuit. A first end of the voltage adjustment circuit is connected to a first end of the battery pack, and a second end of the voltage adjustment circuit is connected to a second end of the battery pack. The first switch is connected to the first end of the battery pack and a third end of the voltage adjustment circuit, and the first bridge-arm conversion circuit and the second bridge-arm conversion circuit are connected in parallel between the second end and the third end of the voltage adjustment circuit. The first bridge-arm conversion circuit is configured to connect to a first electric motor of a vehicle, and the second bridge-arm conversion circuit is configured to connect to a second electric motor of the vehicle.

Abstract: The present disclosure generally relates to methods and user interfaces for authentication, including providing authentication at a computer system in accordance with some embodiments.

Abstract: A video processing method and device and an apparatus are provided. The method includes: obtaining a video captured by a photographing device; dividing the video into a plurality of regions based on information associated with a global motion state between frames of the video, wherein the plurality of regions includes a region of interest (ROI) and a non-region of interest (non-ROI); and performing different image processing on the ROI and the non-ROI to achieve different levels of clarity for the ROI and the non-ROI. Present disclosure can effectively save transmission resource usage while ensuring the user's subjective visual experience.

Abstract: An electronic device includes an antenna unit having an antenna body having a feed point and a ground point between a first end and a second end. The antenna body has an operating band with a resonance of a first wavelength. An electrical length of the antenna body from the feed point to the ground point is greater than or equal to ¼ and less than ½ of the first wavelength. An electrical length from the first end to the feed point is greater than or equal to ? and less than or equal to ¼ of the first wavelength. An electrical length from the second end to the ground point is greater than or equal to ? and less than or equal to ¼ of the first wavelength. The antenna body is adapted to operate in a slot mode and in a wire mode.

Abstract: A screen capturing method includes: In a screen split state, an electronic device displays N applications respectively by using N split screens, where one split screen is configured to display an interface of one application, and N is a positive integer greater than 1; further, the electronic device receives a screen capturing operation for a target split screen, where the target split screen includes at least one split screen; finally, in response to the screen capturing operation, the electronic device displays, in full screen, an interface of an application corresponding to each split screen in the target split screen, and generates a screenshot picture, where the screenshot picture includes a full-displayed interface of the application corresponding to each split screen in the target split screen.

Abstract: Embodiments of the invention are directed to computer-implemented methods of analyzing a web-based software application. A non-limiting example of the computer implemented method includes generating, using a processor system, a set of to-be-tested element-event pairs of the web-based software application. A set of compatibility tests is received at the processor system, where the set of compatibility tests is operable to perform compatibility testing of a corresponding set of element-event pairs. A comparison is performed between the set of to-be-tested element-event pairs and the corresponding set of element-event pairs. A compatibility testing recommendation is generated based at least in part on a result of the comparison.

Abstract: Techniques for controlling remote antenna systems. An example method of receiving radio frequency signals with a remote antenna module includes providing a first signal to a remote receiver on a conductor, receiving a control signal from the remote receiver on the conductor, wherein the control signal is a bias voltage on the conductor, and providing a second signal on the conductor in response to receiving the control signal.

Abstract: Methods, apparatus, and computer readable storage medium for intra bi-prediction and multiple reference line intra prediction in video decoding. The method includes receiving, by a device, a coded video bitstream for a block. The method also includes determining, by the device, whether a single directional intra prediction or an intra bi-prediction applies to the block, based on mode information of the block, the mode information of the block comprising at least one of: a reference line index of the block, an intra prediction mode of the block, and a size of the block; in response to determining that the single directional intra prediction applies to the block, performing, by the device, the single directional intra prediction to the block; and in response to determining that the intra bi-prediction applies to the block, performing, by the device, the intra bi-prediction to the block.

Abstract: Various implementations described herein include methods and systems for coding video. In one aspect, a video bitstream includes a current image frame and a first syntax element for a cross-component sample offset (CCSO) mode. The first syntax element indicates whether to generate a first sample offset of a first color sample of the current image frame based on one or more luma samples. An electronic device identifies a first luma sample that is collocated with the first color sample and neighboring luma sample(s) s of the first luma sample. The first luma sample and the one neighboring luma sample(s) are downsampled to generate downsampled luma sample(s) for the CCSO mode. The electronic device determines the first sample offset of the first color sample based on the downsampled luma sample(s), and reconstructs the current image frame at least by adjusting the first color sample based on the first sample offset.

Abstract: The various implementations described herein include methods and systems for coding video. In one aspect, a method includes receiving a video bitstream comprising a set of encoded video information and a first indicator associated with a plurality of probability models. The method includes determining a value of the first indicator by parsing the video bitstream. The method includes, when the first indicator has a first value, selecting a first probability model from the plurality of probability models and when the first indicator has a second value, selecting a second probability model from the plurality of probability models, the second probability model being different from the first probability model. The method also includes entropy decoding the set of encoded video information using the selected probability model.

Abstract: An example method of video coding includes receiving a video bitstream that includes a plurality of blocks. The method also includes determining a scanning order for a motion vector list for a first block of the plurality of blocks based on one or more of: a number of neighboring blocks of the current block with corresponding temporal motion vectors, a number of neighboring blocks of the current block encoded in an inter prediction mode, a mode of the current block, and a reference frame index for the current block. The method further includes generating the motion vector list according to the scanning order and identifying, from the motion vector list, a motion vector predictor for the current block. The method also includes decoding the current block using the identified motion vector predictor.

Abstract: An example method of video coding includes receiving a video bitstream for a plurality of encoded pictures. The method also includes obtaining a reconstructed picture that corresponds to an encoded picture of the plurality of encoded pictures and deriving a set of quantization parameters for the reconstructed picture, the set of quantization parameters derived from a set of reference quantization parameters for the encoded picture. The method further includes performing loop filtering on the reconstructed picture using the set of quantization parameters.

Abstract: Provided are a waterborne polyurethane (WPU) and a preparation method thereof, and a waterborne scratch-off ink and a preparation method thereof. A chain end group or side group of the WPU contains a longer alkyl chain. When the WPU is used in the preparation of the waterborne scratch-off ink, microphase separation may occur during the film-forming process owing to a hydrophobic/hydrophilic interaction between the non-polar long-chain alkyl and polar groups in WPU molecular, resulting in an incomplete film structure, which is beneficial to make the ink be scratched off.

Abstract: Provided are a phospho-alumino-silicate inorganic polymer, and a preparation method and use thereof. The phospho-alumino-silicate inorganic polymer includes the following raw materials in parts by weight: 50 parts to 67 parts of a precursor raw material, 33 parts to 50 parts of an activator, and water; where the precursor raw material includes metakaolin and activated calcium oxide; the activated calcium oxide accounts for 3% to 15% of a weight of the precursor raw material; and the activator includes a phosphoric acid solution.

Abstract: A multi-mode switching simulation training system based on a real centralized traffic control (CTC) system, including a center platform and a plurality of student platforms connected to the center platform through a network, where the center platform includes a first management module and a first training system connected to the first management module; each student platform includes a second management module and a second training system connected to the second management module; and the first management module is configured to control the start and stop of the first training system, and the second management module is configured to control the start and stop of the second training system, so as to switch a training mode of the multi-mode switching simulation system. The present invention can achieve the purposes of individual training for dispatchers, individual training for attendants, joint training for the dispatchers and the attendants, and skills competition.

Abstract: The present disclosure relates to a display substrate and a display device thereof. The display substrate comprises: a substrate; a first wiring extending in a first direction on the substrate; a first dielectric layer on the substrate and the first wiring; a second wiring extending in the first direction on the first dielectric layer, wherein an orthographic projection of the second wiring on the substrate at least partially overlaps with an orthographic projection of the first wiring on the substrate; a conformal dielectric layer on the first dielectric layer and the second wiring; a third wiring and a fourth wiring disposed at spacings in the first direction on the conformal dielectric layer, wherein orthographic projections of the third wiring and the fourth wiring on the substrate at least partially overlap with the orthographic projections of the first wiring and the second wiring on the substrate.

Abstract: A pixel circuit, a driving method therefor, and a display device. The pixel circuit comprises: a current control circuit (301), a duration control circuit (302), and a light-emitting element (303), wherein the current control circuit (301) is used for receiving a data signal (DI) and a first scan signal (gataA), and controlling the amplitude of a generated drive current according to the data signal (DI) and the first scan signal (gataA), and the duration control circuit (302) is used for receiving a mode control signal (DT), a pulse control signal (hf), a light-emitting control signal (em_b), and the drive current of the current control circuit (301), and controlling, according to the amplitude of the mode control signal (DT), the length of time for providing the light-emitting element (303) with the drive current.