Abstract: Disclosed are a chip power consumption analyzer and an analyzation method thereof. The analyzation method includes the following. Design information of a circuit is received. A plurality of clock arriving times of a plurality of circuit cells in the circuit are calculated based on the design information, and a base cell type is set among a plurality of cell types according to the clock arriving times. Base demand current information of the base cell type is established, and a plurality of demand current information of the circuit cells is obtained. A plurality of demand peak currents of a plurality of bump current sources are predicted according to the demand current information and a plurality of position information of the circuit cells.

Abstract: A light-emitting diode includes a substrate, a light-emitting diode chip, a phosphor layer and a protective resin layer. The substrate has a support surface, which includes a central region and a peripheral region surrounding the central region. The peripheral region is at a position lower than the central region in a normal direction of the support surface. The central region and the peripheral region have a step surface in between. The light-emitting diode chip is disposed on the substrate and is electrically connected to the substrate. The phosphor layer is disposed in the central region of the substrate and encapsulates the light-emitting diode chip. The protective resin layer covers at least one exposed surface of the phosphor layer, and covers the peripheral region and the step surface of the substrate.

Abstract: The present disclosure provides a control method for an autonomous mobile device. The control method includes obtaining a pose of a target point; determining motion control parameters based on the pose of the target point; and controlling, according to the motion control parameters, the autonomous mobile device to move along a motion trajectory. A path curvature of the motion trajectory includes an inverse proportional function of a distance from the autonomous mobile device to the target point. A coefficient of the inverse proportional function includes a term that is functionally related to a lateral offset between the autonomous mobile device and the target point, where the lateral offset is associated with an orientation of the target point.

Abstract: Aspects of the disclosure are directed to the field of artificial intelligence technologies and provides a method and an apparatus for obtaining a feature of duct tissue based on computer vision, an intelligent microscope, a storage medium, and a computer device. The method can include the steps of obtaining an image including duct tissue, determining, in an image region corresponding to the duct tissue in the image, at least two feature obtaining regions adapted to duct morphology of the duct tissue, obtaining cell features of cells of the duct tissue in the feature obtaining regions respectively, and obtaining a feature of the duct tissue based on the cell features of the cells of the duct tissue in the feature obtaining regions respectively.

Abstract: Various aspects include methods for onboarding information in electronic shelf labels (ESLs). In aspects performed by ESLs, such methods may include scanning for a wakeup packet from an access point remote from the ESL before transmitting an ESL advertisement, transmitting the ESL advertisement in response to receiving a wakeup packet that includes information indicating the ESL should transmit the ESL advertisement, and then receiving onboarding messages or a low power mode directive from the access point. In aspects performed by an access point, such methods may include broadcasting a wakeup packet that identifies a select one or more ESLs among the plurality of ESLs to transmit ESL advertisements, receiving one or more ESL advertisements from the identified select one or more advertising ESLs from among the plurality of ESLs, and transmitting an onboarding message to each of the ESLs corresponding to the select one or more ESLs.

Abstract: A method and a system of optical nanoscale alignment, a sample support comprises a first holder for a first chip and a second holder for a second chip; the first and second chips are positioned in a facing relationship on a first and a second surface of the sample respectively, and a dual light source casts a coherent light beam on the sample from a first surface and an incoherent beam on the sample from a second, opposite, surface thereof; a positioning unit controls the movement of the first chip and controls the movement of the second chip according to isotropic interference fringes generated by the dual light in reflection mode in images captured by an imaging unit, indicating of pitch and yaw angle, light from the dual light source in transmission mode providing bright field illumination while x, y, and rotation alignments are performed.

Abstract: The present disclosure is directed to techniques for medical imaging image presentation. The techniques include obtaining, for a target area including a first target, an image of the target area that is taken without a contrast agent and an image of the target area that is taken with a contrast agent. The techniques also include subtracting the image that is taken with a contrast agent from the image that is taken without a contrast agent to obtain a subtraction image; extracting a contour of a second target from the subtraction image, to obtain a contour image of the second target; and registering, based on a same marker, the contour image of the second target and a currently-acquired (e.g. real-time) image, and then displaying the images in a superimposed manner. The technical solutions in the embodiments of the present disclosure improve the efficiency of treatment based on radiological images.

Abstract: A compressor, comprising: a housing (101) provided with a rotor accommodating cavity (105) and an exhaust cavity (180); and a pair of screw rotors (110) at least partially located in the rotor accommodating cavity (105), a compression accommodating cavity (150) being formed between teeth of the pair of screw rotors (110) and the housing (101), and the pair of screw rotors (110) having a suction end (112) and an exhaust end (113), wherein the housing (101) further comprises an unloading channel (208) and a connecting channel (308), the unloading channel (208) is provided with an unloading channel inlet (216) and an unloading channel outlet (217), the unloading channel inlet (216) can be communicated with the compression accommodating cavity (150) through the connecting channel (308), and the unloading channel outlet (217) is communicated with a suction side of the compressor; and an unloading device (109) configured to controllably open or close the connecting channel (308), such that the compression accommoda

Abstract: The present disclosure relates to a content input method and apparatus for instant messaging software, and a device and a medium. The instant messaging software includes a first input box and a second input box, wherein the first input box and the second input box are switched by means of a switching control, and the sizes of the first t input box and the second input box are different. The method comprises: receiving target input content, which is input into a first input box, and displaying the target input content in the first input box; and in response to the triggering of a switching control, displaying the target input content in a second input box.

Abstract: Embodiments of this application provide a power receiving apparatus, a power sending apparatus, and a power transmission method. A battery and protection circuit module is configured to obtain battery impedance. A first microcontroller module is configured to send a driving signal to an impedance transformation module based on a preset optimal value of input impedance of the impedance transformation module and the battery impedance, to adjust a duty cycle of a driving signal in the impedance transformation module, to enable the impedance transformation module to output a target voltage. The duty cycle is a ratio of high-level duration of the driving signal in one cycle to one cycle. When the impedance transformation module outputs the target voltage, the input impedance is at an optimal value of the input impedance.

Abstract: A large-aperture four-piece optical lens includes a first lens with positive focal power, a second lens with negative focal power, a third lens with positive focal power and a fourth lens with positive focal power which are sequentially arranged. A back of the fourth lens is provided with an image surface, an aperture diaphragm is arranged at a front end of the first lens or between the second lens and the third lens, and a vignetting diaphragm is arranged on an S7 surface of the fourth lens. An equivalent focal length of the fourth lens is greater than that of the third lens, and the equivalent focal length of the fourth lens is greater than that of the first lens. Each lens has a low sensitivity to an axial tolerance and a low assembly difficulty, and an energy utilization rate can be improved by increasing a numerical aperture.

Abstract: A system and a method for high-speed dual-view band-limited illumination profilometry using temporally interlaced acquisition is disclosed. The method comprises using a projecting unit for projecting sinusoidal fringe patterns onto an object and capturing fringe patterns deformed by the object. A 3D image of the object is recovered pixel by pixel from partial images provided by a first camera and a second camera by locating a point in the images of the second camera that matches a selected pixel of the first camera. 3D coordinates and wrapped phase are then estimated based on a calibration of the cameras and determining an horizontal coordinate on the plane of a projector of the projecting unit based on a calibration of the projector, and using a wrapped phase value to recover a 3D point of 3D coordinates (x, y, z).

Abstract: An AI-based object classification method and apparatus, a computer-readable storage medium, and a computer device. The method includes: obtaining a target image to be processed, the target image including a target detection object; separating a target detection object image of the target detection object from the target image; inputting the target detection object image into a feature object prediction model to obtain a feature object segmentation image of a feature object in the target detection object image; obtaining quantitative feature information of the target detection object according to the target detection object image and the feature object segmentation image; and classifying the target detection object image according to the quantitative feature information to obtain category information of the target detection object in the target image.

Abstract: Systems, methods, and computer-readable media for an integrated Wi-Fi Access Point and cellular network Radio Unit (RU) include a communication system interfacing with a wired network for communicating Wi-Fi traffic and cellular network traffic, the communication system integrating a Wi-Fi Access Point (AP) with a cellular network Radio Unit (RU). The Wi-Fi traffic and cellular network traffic can be processed in the communication system. The communication system can interface with at least one programmable Radio Frequency (RF) front end configured for wireless communication over one or more frequency bands for Wi-Fi traffic and one or more frequency bands for cellular network traffic (e.g., 5G, LTE, Wi-Fi).

Abstract: Disclosed is a middle frame assembly, including a middle plate and a frame disposed around an outer edge of the middle plate, where the middle plate includes a first carbon fiber reinforced resin composite material base body and a first metal plating layer compounded on a surface of the base body. Some embodiments of this application further provide a preparation method for a middle frame assembly and an electronic device in the middle frame assembly. Some embodiments of this application use a carbon fiber reinforced resin composite material as a middle plate base body of the middle frame assembly.

Abstract: This application discloses a method for processing group information. When an upper limit of a number of people in a target group needs to be expanded, an expansion request is transmitted based on triggering by a first user on the target group. The expansion request includes an identification of the target group, and the expansion request is configured to request for expanding an upper limit of a number of group members of the target group. A second user with expansion permission may configure the upper limit of the number of the target group based on the expansion request. In response to a configuration by the second user on the target group, an expansion response is transmitted to a client of the first user, where the expansion response is configured to indicate a result of expansion on the target group.

Abstract: A coupling has a housing and a returning unit and a turbo fan coaxially disposed within the housing. The housing has a first shell and a second shell coaxially connected to the first shell. The first shell has multiple driving ribs therein. Each driving rib has a guiding plate, a driving plate connected to the guiding plate, and an included angle defined between the driving plate and the guiding plate of the driving rib. The second shell has multiple divergent ribs therein. Fluid introduced into the housing is guided to the multiple driving ribs of the first shell via the divergent ribs of the second shell. The fluid pushes the driving plate of each driving rib and facilitates the housing to spin and drive a driven device. Therefore, the coupling of the present invention can save energy consumption for driving a driven device.

Abstract: The present disclosure relates to a method for training a neural network model performed at an electronic device. The method includes: performing initial training by using a first training sample set to obtain an initial neural network model; performing a prediction on a second training sample set by using the initial neural network model to obtain a prediction result of each of training samples in the second training sample set; determining a plurality of preferred samples from the second training sample set based on the prediction results; adding the plurality of preferred samples that are annotated to the first training sample set to obtain an expanded first training sample set; updating training of the initial neural network model by using the expanded first training sample set to obtain an updated neural network model until a training ending condition is satisfied.

Abstract: This application discloses a method for processing group information. When an upper limit of a number of people in a target group needs to be expanded, an expansion request is transmitted based on triggering by a first user on the target group. The expansion request includes an identification of the target group, and the expansion request is configured to request for expanding an upper limit of a number of group members of the target group. A second user with expansion permission may configure the upper limit of the number of the target group based on the expansion request. In response to a configuration by the second user on the target group, an expansion response is transmitted to a client of the first user, where the expansion response is configured to indicate a result of expansion on the target group.

Abstract: The present disclosure relates to a content input method and apparatus for instant messaging software, and a device and a medium. The instant messaging software includes a first input box and a second input box, wherein the first input box and the second input box are switched by means of a switching control, and the sizes of the first t input box and the second input box are different. The method comprises: receiving target input content, which is input into a first input box, and displaying the target input content in the first input box; and in response to the triggering of a switching control, displaying the target input content in a second input box.