Abstract: A method for operating an energy storage system and an energy storage system are disclosed. The energy storage device is coupled to a first switching device of the energy storage system via a live wire, the first switching device is coupled to a current transformer of the energy storage system via the live wire, and the current transformer is configured to access the external power grid. By switching on the first switching device, the energy storage device can be controlled to access the external power grid, enabling charging or discharging of the energy storage device through the external power grid. Thereafter, based on a difference value between an on-load electrical parameter and a static electrical parameter of the live wire, the connection status of the current transformer is analyzed to set the operating mode of the energy storage system.

Abstract: In a dissipation apparatus, a support is mounted to a circuit board, and an assembly opening on a bearing portion in the support is configured to accommodate a heat source on the circuit board. A heat sink is disposed on the bearing portion of the support, and a heat conducting surface of the heat sink can penetrate the assembly opening, to be attached to the heat conducting surface of the heat source. A peak-valley structure in an elastic component is disposed on a mounting surface of the heat sink as a force-applying portion, and two ends of the elastic component exceed an edge of the heat sink and are mounted to the support as mounting portions. At least one elastic component can provide, to the heat sink by using the peak-valley structure, pressure to tightly attach the heat sink to the heat source.

Abstract: A computer system acquires a video bitstream. The video bitstream includes data associated with multiple encoded pictures. Each encoded picture includes one or more coding units (CUs). While decoding a current CU of a picture in the video bitstream, the current CU having a plurality of reference subblocks located in one or more reference pictures, in accordance with a determination that the plurality of reference subblocks satisfy a first set of predefined conditions for enabling a subblock-based temporal motion vector prediction (SbTMVP) mode, the computer system retrieves, from the video bitstream, syntax elements associated with the SbTMVP mode. The computer system then decodes the current CU using the retrieved syntax elements associated with the SbTMVP mode.

Abstract: A method and an apparatus for image filtering in video coding using a neural network are provided. The method includes: loading, a plurality of quantization parameter (QP) map (QpMap) values at a plurality of QpMap channels into the neural network; obtaining a QP scaling factor by adjusting a plurality of input QP values related to an input frame; and adjusting, according to a QP scaling factor, the plurality of QpMap values for the neural network to learn and filter the input frame to the neural network.

Abstract: A heater includes: a base body; an infrared electrothermal coating, including a first infrared electrothermal coating and a second infrared electrothermal coating formed spaced apart on a surface of the base body; and a conductive element, including a first electrode, a second electrode, and a common electrode arranged spaced apart on the base body, where a conductive portion of the first electrode is electrically connected to the first infrared electrothermal coating, a conductive portion of the second electrode is electrically connected to the second infrared electrothermal coating, and a conductive portion of the common electrode is electrically connected to the first infrared electrothermal coating and the second infrared electrothermal coating; and coupling portions of the first electrode, the second electrode, and the common electrode are all arranged adjacent to two ends of the base body to couple a power supply to feed an electric power to the infrared electrothermal coating.

Abstract: A method for video decoding includes: obtaining a first control flag signaled at a specified level that includes one of following levels: a Transform Block (TB) level, a Coding Block (CB) level, a slice level, a picture level, or a sequence level, wherein the first control flag indicates whether a Decoder-side High Precision Intra Mode Derivation (DHI) mode is enabled, and in response to determining that the DHI mode is enabled, deriving, using a predefined method, high precision intra mode under a predefined condition, where the predefined condition includes one of following conditions: specific modes, or specific block sizes, or the DHI mode is used at the specified level.

Abstract: A method for improving attention function of a subject includes generating an acoustic signal having periodic fluctuations corresponding to the frequency of gamma waves; and improving the attention function of the subject by administering an auditory stimulus based on the acoustic signal to the subject.

Abstract: A post linkage apparatus and method applied to a CTC construction plan, includes: a TDMS server, a CTC, and a TD combined interface server. The TDMS server transmits construction symbol information to an external device; the CTC transmits an application message for obtaining a construction blocking station yard device; and the TD combined interface server receives the application message and reads construction blocking station yard device information and transmits the construction symbol information and the construction blocking station yard device information to the CTC, which automatically determines an associated object according to the construction symbol information, and executes a corresponding action by means of a corresponding execution device after receiving a state control instruction of the associated object.

Abstract: A display module and a display device are provided. The display module includes: a display panel including a display area and a non-display area surrounding the display area; an optical adhesive layer (2) located on a light emitting side of the display panel and covering the display area; and a cover plate, located on a side of the optical adhesive layer facing away from the display panel and covering the display panel and the optical adhesive layer. A limiting groove used for preventing an edge of the optical adhesive layer from overflowing is formed on a side of the cover plate facing the optical adhesive layer. A least the edge of the optical adhesive layer is in the limiting groove.

Abstract: Provided is a light transmitter, including: a substrate; a semiconductor refrigeration assembly arranged on the substrate; a light emitting assembly mounted on the semiconductor refrigeration assembly, so that the semiconductor refrigeration assembly cools the light emitting assembly, and the light emitting assembly is configured to generate a laser beam; a tube shell mounted on the substrate to package the semiconductor refrigeration assembly and the light emitting assembly; an optical fiber configured to output the laser beam generated by the light emitting assembly to an outside of the tube shell; and a transparent filling glue filled in a space between an inner wall of the tube shell and the substrate, and configured to guide the laser beam generated by the light emitting assembly to the optical fiber and transfer a heat generated by the light emitting assembly to the tube shell.

Abstract: An embodiment of a method includes receiving measurements from a drilling system during a transient period of a drilling operation for a wellbore. The measurements include measurements of annulus pressure and drilling fluid flow rate, and the transient period is a period of time when the drilling fluid flow rate is ramped up or down. In addition, the method includes training an annulus pressure model that relates an annulus frictional pressure drop over a range of drilling fluid flow rates based at least in part on the measurements. Further, the method includes controlling an annulus backpressure of the wellbore by use of the annulus pressure model after the transient period.

Abstract: A dining chair capable of being assembled easily and packaged flatly, including a seat frame assembly, which includes a seat frame, a back frame and support pipes, a front portion of the back frame is rotatably mounted at a front portion of the seat frame, the seat frame is embedded inside the back frame when the back frame is rotated to a plane where the seat frame is located, and a rear portion of the back frame is detachably mounted at a rear portion of the seat frame by means of the support pipes to form stable support when the back frame is rotated to a set position at an upper portion of the seat frame. The seat frame, the back frame and the support pipes form a stable triangular support structure, the support pipes are detachably matched with the seat frame and the back frame, and leg pipes are matched with the seat frame in a threaded manner, so that the dining chair is convenient to assemble and neat and beautiful in appearance.

Abstract: The present application provides a thin film transistor and a display panel. An active layer of the thin film transistor includes at least two semiconductor layers stacked. Conductivity types of channel regions of adjacent two of the semiconductor layers are same. Doping concentrations of same elements in semiconductor materials of the adjacent two of the semiconductor layers are different. A homotypic heterostructure is formed after the adjacent two of the semiconductor layers contact, thereby improving a mobility of carriers.

Abstract: Implementations of the disclosure provide a video coding method and apparatus thereof. A decoding method includes: selecting, by a decoder, templates of neighboring samples for a video block; applying, by the decoder, a gradient filter window to the templates to calculate gradients for the respective templates; determining, by the decoder, a histogram of gradient based on the calculated gradients; selecting, by the decoder, a dominant gradient direction based on the histogram of gradient; and determining, by the decoder, an extrapolation direction for extrapolating neighboring samples of the video block based on the dominant gradient direction.

Abstract: Methods for video decoding and encoding, apparatuses and non-transitory storage media are provided. In one decoding method, the decoder obtains a geometric partition mode (GPM) blending area index at a certain level associated with a picture, where the GPM blending area index indicates a blending area width from a set of blending area widths. The decoder obtains one or more weighting values that are used to blend prediction samples of a GPM mode based on the blending area width indicated by the GPM blending area index. Furthermore, the decoder obtains a GPM predictor based on the one or more weighting values.

Abstract: An electronic apparatus performs a method of decoding video data. The method comprises: receiving, from a bitstream, a first control flag that indicates merge mode with motion vector difference (MMVD) is enabled for one or more coding units in a video sequence; receiving a first syntax from the video data that identifies a set of motion vector difference (MVD) offsets from a plurality sets of MVD offsets; receiving, a second control flag corresponding to a respective coding unit of the one or more coding units, which indicates the MMVD is applied to the coding unit; receiving a second syntax that selects an MVD offset from the identified set of MVD offsets, and a third syntax that selects an MVD direction; forming MVD based on the selected MVD offset and MVD direction; and reconstructing the coding unit by applying the formed MVD to generate motion vectors to the coding unit.

Abstract: A magnetic memory device includes a magnetic tunneling junction (MTJ) stack and a capping layer on the MTJ stack. The MTJ stack includes a reference layer, a tunneling barrier layer on the reference layer, and a free layer on the tunneling barrier layer. The capping layer includes a metal under layer that is in direct contact with the free layer, an oxide capping layer on the metal under layer, and a metal protection layer on the oxide capping layer.

Abstract: Methods, apparatuses, and non-transitory computer-readable storage medium are provided for decoding video signals. A decoder receives a bitstream that includes a sequence parameter set (SPS) for video data. The decoder obtains arranged partition constraint syntax elements in sequence parameter set (SPS) level, and the arranged partition constraint syntax elements include intra prediction related syntax elements and inter prediction related syntax elements, and the arranged partition constraint syntax elements are arranged so that the intra prediction related syntax elements are defined before the inter prediction related syntax elements. The decoder decodes the video data based on the arranged partition constraint syntax elements.

Abstract: A fitness bar that is formed by a bar body and a handle. The bar body is a continuous helical spring including a vibrating portion, a transition portion, and a connecting portion. Both the vibrating portion and the connecting portion are shaped like a cylindrical helical spring, and the transition portion is shaped like a conical helical spring that tapers from the vibrating portion to the connecting portion. The handle is fixedly connected to the connecting portion. The connecting portion has a reduced diameter compared with the vibrating portion. When a user grips the handle and whips or swings the fitness bar, the vibrating portion is driven to vibrate elastically in a direction of whipping or swinging.

Abstract: The present disclosure provides a fascia gun and a massage head for the fascia gun. The fascia gun comprising: a housing; a connecting rod extending outside the housing; the fascia gun configured to do reciprocating motions along a predetermined first direction, thereby massaging an object to be massaged; and the massage head. The massage head comprising a massage member and a connecting member, the connecting member comprises a first portion arranged along the first direction and a second portion arranged along a second direction intersects with the first direction; the first portion having a first maximal cross-section which is perpendicular to the first direction, the second potion having a second maximal cross-section which is perpendicular to the first direction, wherein the first maximal cross-section is smaller than the second maximal cross-section.