Abstract: A detecting device and a detecting method thereof and a detecting apparatus are provided. The detecting device includes a stage, a light detection unit and a first, light, source, the stage includes a bearing surface for bearing an object to be detected, the light detection unit is located on a side of the stage, the first light source is located on a side of the stage that is opposite to the light detection unit, and light emitted from the, first light source is at least partially emitted to the light detection unit.

Abstract: Disclosed in the embodiments of the present disclosure are a method for notifying a message of a smart home based on a smart screen, an apparatus, and a smart screen. The method includes: receiving a notification message sent by a smart home device waiting to be processed by a user; determining, by means of a communication component of a smart screen, a first smart home device closest to the smart screen, so as to determine a location of the smart screen by means of the first smart home device; and starting infrared detectors installed in respective rooms, determining, according to a location of the user acquired by an infrared detector, a second smart home device closest to the user, and then using the second smart home device to send the notification message and the location of the smart screen to the user.

Abstract: An electrical receptacle connector includes an insulated housing, a plurality of terminals, and a metallic plate. The terminals and the metallic plate are at the insulated housing. The terminals are held at the insulated housing and arranged into two rows. The metallic plate is at a tongue portion of the insulated housing and between the terminals which are arranged into two rows. The metallic plate has a main body and a plurality of extension portions. Each of the extension portions extends outwardly from the main body and corresponds to a protrusion of a corresponding one of the terminals. A distance between each of the protrusions and a corresponding one of the extension portions is less than a distance between each of the contact portions and the corresponding one of the extension portions. A retaining spacing is between the protrusions of the terminals and the extension portions of the metallic plate.

Abstract: The present disclosure discloses a multi-sensor handle controller hybrid tracking method and device, wherein the method includes: acquiring tracking data of a handle controller, the tracking data including optical tracking data, electromagnetic tracking data, and inertial navigation data; constructing a state transition model and an observation model of an extended Kalman filtering iteration strategy according to the tracking data, and performing an extended Kalman filtering fusion on the optical tracking data, the electromagnetic tracking data, and the inertial navigation data; and determining position and orientation information of the handle controller in a space according to the extended Kalman filtering iteration strategy.

Abstract: Data augmentation is described to train an artificial intelligence model that includes analyzing a first data set to measure an amount of data in the data set and the variation in the amount of data in the first data set to determine deficiencies for training an artificial intelligence model. Augmenting data is added for the first data set having an amount of data measured that fails to meet a threshold value. Deficiencies in the variation in the amount of data in the first data set are augmented using augmentation methods outside the variation scope of the first data set to provide a second data set of augmented data. An artificial intelligence model is trained with a combined data set of the first data set, and the second data set of augmented data when the first and second data set have an amount of data meeting the threshold value.

Abstract: This application provides communication apparatuses and methods for signal transmission and reception, applied to, for example, backscatter communications. In an example method, a tag device receives a downlink excitation signal, where the downlink excitation signal is a linear frequency modulated signal or a multi-carrier linear frequency modulated signal. The tag device generates an uplink reflection signal according to the downlink excitation signal and uplink information. The tag device sends the uplink reflection signal to a network device. When receiving the uplink reflection signal from the tag device and receiving the downlink excitation signal, the network device performs fractional Fourier transform on the uplink reflection signal and the downlink excitation signal, to obtain an uplink frequency domain reflection signal and a downlink frequency domain excitation signal. The uplink frequency domain reflection signal and the downlink frequency domain excitation signal do not overlap each other.

Abstract: This application provides an optical module, and relates to the field of optical communication. An optical module provided in the embodiments of this application includes a laser box and a silicon photonic chip that are enclosed and packaged by an upper enclosure part and a lower enclosure part. The laser box is disposed on and is in contact with the surface of the silicon photonic chip by the side wall or the base. The laser chip is disposed on the top plane of the laser box. The top plane is in contact with the upper enclosure part for heat dissipation, so as to help heat generated by the laser chip be conducted to the upper enclosure part via the top plane, so that the heat generated by the laser chip is dissipated not via the silicon photonic chip.

Abstract: A localization and tracking method, a localization and tracking platform, a head-mounted display system, and a computer-readable storage medium are provided. One or more images of odd frames and one or more images of even frames that are respectively collected with a preset first exposure duration and a preset second exposure duration by one or more tracking cameras arranged on a head-mounted display device are acquired, the one or more images of even frames at least containing blobs corresponding to multiple luminous bodies arranged on a gamepad; Degree of Freedom (DoF) information of the head-mounted display device is determined according to the one or more images of odd frames and attitude information of the head-mounted display device; and DoF information of the gamepad is determined according to the one or more images of even frames, attitude information of the gamepad, and the DoF information of the head-mounted display device.

Abstract: A system and method for adaptive color assignments to image labels during annotation of datasets includes preparing a dataset for image labeling by an annotator by: leveraging a global color analyzer to perform a global color distribution of a plurality of images to identify one or more overall colors present in the plurality of images, and a local color analyzer to perform a local color distribution for each image to identify one or more colors present in an area of interest of the image, and selecting a plurality of candidate colors to be used as image labels by the annotator, based on an output of the global color analyzer and an output of the local color analyzer.

Abstract: A method of preparing an enhanced yellow-emitting carbon dots includes dissolving citric acid and urea in N,N-dimethylformamide, reacting at a temperature of 150-180° C. for 4-8 h to obtain a carbonized mixture, separating and purifying the carbonized mixture through column chromatography using an eluent prepared according to a volume ratio of dichloromethane to methanol from high to low, collecting a solution obtained by elution when the volume ratio of dichloromethane to methanol is 1:1-2, performing rotary evaporation to remove the solvent, and drying to obtain the yellow-emitting carbon dot. The yellow-emitting carbon dot with fluorescence intensity enhanced with the increase of temperature is synthesized. The yellow-emitting carbon dots has application value in the fields of temperature detection, biological imaging, photoelectric equipment and the like.

Abstract: An E-liquid storage assembly, an atomizer and an electronic cigarette are disclosed. The E-liquid storage assembly includes an E-liquid storage bottle and an E-liquid sealing assembly. The E-liquid sealing assembly includes an E-liquid sealing sleeve, an E-liquid sealing pipe and a cartridge support, the E-liquid sealing sleeve is provided with a first E-liquid penetrating hole, the E-liquid sealing pipe is provided with a second E-liquid penetrating hole communicated with an accommodating cavity, and the E-liquid sealing sleeve seals the second E-liquid penetrating hole and is capable of rotating relative to the E-liquid sealing pipe to make the first E-liquid penetrating hole communicate with the second E-liquid penetrating hole; and the E-liquid storage bottle is provided with an E-liquid storage space for storing E-liquid. The atomizer includes the E-liquid storage assembly and an atomizing core assembly which are detachably connected.

Abstract: A cryptocurrency mining method and a cryptocurrency mining controller device are provided. The method includes: obtaining electricity price information and cryptocurrency price information; determining operation control parameters of the cryptocurrency mining system according to the electricity price information and the cryptocurrency price information; and controlling an operation of a target group of cryptocurrency miners according to the operation control parameters. The operation includes switching between operation states, and the operation states includes at least a running state and an off state.

Abstract: A radio physical layer protocol data unit (PPDU) sending method includes: obtaining, a radio physical layer protocol data unit (PPDU), wherein the PPDU includes a high efficiency-signal field A (HE-SIG-A) and a high efficiency-signal field B (HE-SIG-B), the HE-SIG-A includes a field indicating a quantity of orthogonal frequency division multiplexing (OFDM) symbols in the HE-SIG-B, and wherein a value of the field indicates one of the following: that the quantity of OFDM symbols included in the HE-SIG-B is greater than or equal to 16, or the quantity of OFDM symbols included in the HE-SIG-B; and sending the PPDU.

Abstract: A watermark detection method includes identifying, among plural stored videos, a second video having a second video feature matching a first video feature of a first video, the second video comprising watermark information. The method further includes comparing the first video and the second video to obtain a video conversion parameter, the video conversion parameter indicating a difference between the first video and the second video. The method also includes converting the first video based on the video conversion parameter to obtain a third video, and performing watermark detection on the third video to obtain watermark information in the third video. Apparatus and non-transitory computer-readable storage medium counterpart embodiments are also contemplated.

Abstract: The invention provides a PCB for gallium nitride device, on which has been formed: a gallium nitride welding position to which first and second gallium nitride elements having different packages are interchangeably welded; a first/second driving circuit welding position to which a first/second driving circuit of the first/second gallium nitride element is welded; wherein the gallium nitride welding position includes: a first and second gate pad respectively welded to gate electrode of the first and second gallium nitride element and respectively connected to gate signal terminal of the first and second driving circuit; a first and a second ground pad; a first contact contactless connected to the first ground pad and directly connected to ground terminal of the first driving circuit; and a second contact contactless connected to the second ground pad and directly connected to ground terminal of the second driving circuit.

Abstract: Exemplary apparatus and method can be provided. For example, using at least one light source first arrangement, it is possible to provide pulses of light to at least one portion of a biological structure. At least one detector second arrangement can be used to detect images from the portion(s) based on the pulses, and provide data based on the detection. With at least one configuration, it is possible prevent and/or reduce a movement of the apparatus within at least one anatomical body (i) is a particular surface of the apparatus, (ii) covers at least one portion of the surface, and/or (iii) extends from the surface. In addition or alternatively, with at least one computer third arrangement, it is possible to receive the data, and control a timing of at least one of activation or deactivation of at least one portion of the first arrangement based on the data.

Abstract: Provided is an aerosol generating device, comprising: a holder (31), wherein at least a portion of the tubular hollow of the holder forms a chamber (310) to receive a smokable material A; an induction coil (32) arranged on the holder; a susceptor (33) electromagnetically coupled with the induction coil to heat the smokable material A received in the chamber, wherein the susceptor comprises a heating portion (331) and a base portion (332); and a ceramic fixing seat (34) arranged in the holder, wherein the heating portion of the susceptor penetrates the ceramic fixing seat to reach the interior of the chamber, and the base portion abuts against the ceramic fixing seat to fix and maintain the susceptor.

Abstract: This application provides a communication method and an apparatus. One example method includes receiving, by a first device in a first device set, a measurement signal sent by a second device; and sending, by the first device, a feedback signal based on the measurement signal, wherein the feedback signal carries information that indicates, to a third device, a device that is in the first device set and that is paired with the second device, and the feedback signal carries a device identifier of the second device.

Abstract: The present disclosure provides methods for treating hematological malignancies and Ewings sarcoma using menin inhibitors. Compositions for use in these methods are also provided.

Abstract: The present disclosure provides methods for preparing MCL1 inhibitors or a salt thereof and related key intermediates.