Abstract: A head-mounted electronic device, comprising a housing in which a controller is provided; an obtaining unit for obtaining human eye positions, the obtaining unit being provided in the housing, and connected to the controller; left and right display units each comprising a lens and a supporting member, the lens being fixed to the supporting member; a driving apparatus comprising a driving member and two moving members, the driving member cooperating with the two moving members to drive the two moving members to move, the two moving members cooperating with the two supporting members respectively to drive the two supporting members to move away from or towards each other, the driving member being connected to the controller, and the controller controlling the driving member to drive the two moving members to move according to information obtained by the obtaining unit to adjust a distance between the two lenses.

Abstract: A rotary seat locking mechanism may have a fixed disk and a movable disk in rotational fit with the fixed disk. A gear ring may be fixedly mounted on the fixed disk and may have an annular tooth portion. A locking block and a transmission assembly that controls sliding of the locking block may be slidably mounted on the movable disk. A locking tooth adapted to the annular tooth portion may be provided on a side portion of the locking block. By controlling sliding of the locking block through the transmission assembly, the locking tooth can be switched between engaging with and disengaging from the annular tooth portion.

Abstract: This application provides vector retrieval methods, and apparatuses, and storage media. In an example, in response to a query vector, at least one compressed vector having a highest similarity with the query vector is obtained from a first-level storage resource. Classification decision-making is performed on each compressed vector based on a classification model to obtain at least one target compressed vector whose corresponding original vector is a candidate vector most similar to the query vector. At least one target original vector corresponding to the at least one target compressed vector is obtained from a second-level storage resource. At least one similarity between the query vector and the at least one target original vector is calculated. The at least one target original vector is sorted based on the similarity, based on which, a vector retrieval result corresponding to the query vector is determined.

Abstract: A combined massage device and a vehicle seat on which the massage device may be mounted. The combined massage device may be fixedly mounted at a shoulder position of the backrest of the vehicle seat. The combined massage device may have a housing assembly, configured to be fixedly mounted inside a seat back. Two rotary massage mechanisms may be disposed at left and right ends of the housing assembly. The rotary massage mechanisms may apply a massage force to a user's back in a continuous rotation manner. Two shiatsu massage mechanisms may be disposed at the left and right ends of the housing assembly, The shiatsu massage mechanisms may be able to intermittently apply a pushing pressure to the user's back in a continuous manner to simulate shiatsu massage. A driving mechanism that may be configured to drive the rotary massage mechanisms and the shiatsu massage mechanisms to operate.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining, for a conversion between a current video block of a video and a bitstream of the video, a plurality of predictions for the current video block, the plurality of predictions being determined based on a plurality of different prediction schemes; generating a target prediction for the current video block by fusing the plurality of predictions; and performing the conversion based on the target prediction.

Abstract: A shoulder kneading massage device may have a shoulder support configured to be disposed at a shoulder position of a seat back. A massage assembly and a driving assembly for driving the massage assembly to move are provided inside the shoulder support. The massage assembly may have a massage head. When the massage head is in contact with a shoulder of an occupant, the driving assembly is able to drive the massage head to reciprocate to simulate kneading massage.

Abstract: A passive collapse mounting structure for a shoulder massage module may have a seat back and a shoulder support rotatably mounted at a shoulder position of the seat back. An elastic element may be provided between the shoulder support and the seat back. The elastic element may apply a thrust to flip the shoulder support forward relative to the seat back. A driving mechanism may be provided between the shoulder support and the seat back. The driving mechanism may be configured to actively control the shoulder support to rotate and fold backward against the resistance of the elastic element. When the shoulder support is in a forward-unfolded state, a thrust from an occupant's shoulder may be able to force the shoulder support to passively rotate and fold backward against the resistance of the elastic element.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: performing a conversion between a video and a bitstream of the video, wherein all of a plurality of messages for neural-network post-filter characteristics (NNPFC) with a same value of an identifying number for identifying an NNPF within a coded layer video sequence (CLVS) in the bitstream indicate a same purpose of the NNPF.

Abstract: A mechanism for processing video data is disclosed. The mechanism includes determining that a value of a neural-network post-filter characteristics (NNPFC) input format indicator (nnpfc_inp_format_inc) is coded as a u(N) coded syntax element where N is an integer greater than 0. A conversion is performed between a visual media data and a bitstream based on the NNPFC input format indicator.

Abstract: A backrest cover and foam mounting structure adapted for a lumbar massage function may have a backrest foam with a recessed area. The recessed area may be provided with two strip-shaped through grooves. The two strip-shaped through grooves may be each used to accommodate a massage push arm. A front side of the backrest foam may be provided with a wear-resistant fabric. The wear-resistant fabric may have a covering layer covering a surface of the backrest foam. An elastic layer may be provided on a rear side of the covering layer. The elastic layer may be arranged in a folded manner within the recessed area. The wear-resistant fabric may be pushed outward by the massage push arms in the strip-shaped through grooves. The elastic layer may be able to be forced to stretch outward, enabling the wear-resistant fabric to protrude outward.

Abstract: The present invention provides a class of compounds containing tricyclic heteroaryl groups. Specifically, the present invention provides compounds of the structure represented by the following formula (I) (the definition of each group is described in the specification), pharmaceutical compositions containing the compounds of formula (I), as well as optical isomers, pharmaceutical acceptable salts, prodrugs, deuterated derivatives, hydrates, solvates, etc. The compounds of formula (I) can effectively inhibit protein kinases including CDK and/or TRK, thereby playing a role in the treatment of various tumors and related disease.

Abstract: Provided are a binding band assembly for a headset and a headset. The binding band assembly includes: a housing in which a rotatable gear is provided; a first binding band and a second binding band each provided with a rack meshed with the gear to drive the first binding band and the second binding band to move towards or away from each other when the gear rotates; a transmission member provided in the housing and fixedly connected to the gear; and a rotation control member provided on the housing and having a toggle portion, a rolling member being provided between the toggle portion and the transmission member, and the toggle portion being configured to drive, by pushing the rolling member to roll, the transmission member to rotate.

Abstract: A neck support and a vehicle seat headrest are provided. The neck support may have a main mounting frame and a support assembly. The main mounting frame may be integrated in a headrest. The main mounting frame may be provided with a through hole extending in a front-rear direction of the headrest. A front portion of the support assembly may be used to support an occupant's neck, and a rear portion of the support assembly may be slidably assembled in the through hole. An airbag may be provided between the main mounting frame and the support assembly. The airbag may be connected to an air supply component. The air supply component may be used to inflate and deflate the airbag. The airbag may be inflated and expanded to push the support assembly to move forward. The airbag is deflated and contracted to pull the support assembly to move rearward.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. In the method, for a conversion between a current video block of a video and a bitstream of the video, a coding tool without a division operation for the current video block is applied. The coding tool comprises at least one of: a slope adjustment for a cross-component linear model (CCLM), or a chroma fusion prediction. The conversion is performed based on the applying.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current video block of a video and a bitstream of the video, a prediction for the current video block based on a plurality of sub-partitions of the current video block and at least one intra prediction scheme, wherein the current video block is a chroma block, the plurality of sub-partitions are obtained by partitioning the current video block, and the at least one intra prediction scheme comprises at least one of the following: an angular predicting mode, an intra block copy (IBC) mode, a template matching mode, or a cross-component prediction mode; and performing the conversion based on the prediction for the current video block.

Abstract: This application provides vector retrieval methods, and apparatuses, and storage media. In an example, in response to a query vector, at least one compressed vector having a highest similarity with the query vector is obtained from a first-level storage resource. Classification decision-making is performed on each compressed vector based on a classification model to obtain at least one target compressed vector whose corresponding original vector is a candidate vector most similar to the query vector. At least one target original vector corresponding to the at least one target compressed vector is obtained from a second-level storage resource. At least one similarity between the query vector and the at least one target original vector is calculated. The at least one target original vector is sorted based on the similarity, based on which, a vector retrieval result corresponding to the query vector is determined.

Abstract: A computer-implemented method for vector retrieval includes, in response to a query vector, obtaining, from a first-level storage resource, at least one target compression vector having a highest similarity with the query vector based on a graph index constructed based on an original vector and a compression vector. After obtaining the at least one target compression vector, obtaining, from a second-level storage resource, at least one target original vector corresponding to the at least one target compression vector. Separately, a similarity between the query vector and the at least one target original vector is calculated; the at least one target original vector is sorted based on the calculated similarity; and, based on the sorted at least one target original vector, a vector retrieval result corresponding to the query vector is determined.

Abstract: An adjusting apparatus for a head-mounted electronic device and a head-mounted electronic device having the same. The adjusting apparatus comprises a base assembly, a strap retracting and releasing assembly, and a cable retracting and releasing assembly, wherein the strap retracting and releasing assembly comprises a strap and a telescopic mechanism that cooperates with the strap to drive the strap to move telescopically relative to the base, wherein the cable retracting and releasing assembly comprises a cable and a retracting and releasing mechanism that is provided on the base and comprises a rotary plate and an elastic member, the rotary plate being rotatable relative to the base and cooperating with the cable, and the elastic member applying an action force to the rotary plate to retract the cable.

Abstract: The present disclosure relates to a wavelength selective switching apparatus and a related method thereof. The apparatus includes: at least one input port and a plurality of output ports; a dispersion assembly, configured to respectively disperse a received first-band optical signal and a received second-band optical signal into a plurality of first optical sub-signals and a plurality of second optical sub-signals in a dispersion plane; a first-band filter, configured to reflect the plurality of first optical sub-signals and transmit the plurality of second optical sub-signals; and a light redirection device, configured to make each of a plurality of sub-band optical signals to be emitted toward the first-band filter in a redirected manner. In a port plane, a plurality of optical sub-signals are respectively incident to the first-band filter at an incidence angle within a first predetermined angle range in a backward propagation direction.

Abstract: A WSS is provided. The WSS includes a first common port, a second common port, a grating, a spatial light modulator, and a plurality of branch ports. The first common port is configured to receive a first-band optical signal, and the second common port is configured to receive a second-band optical signal. The grating is configured to perform wavelength demultiplexing on the first-band optical signal and the second-band optical signal, to output a plurality of first optical signals, where the first optical signals are optical signals of a single wavelength.