Abstract: A sample three-dimensional image is acquired. The sample three-dimensional image is labeled with actual location information of an actual region of a three-dimensional target. One or more pieces of prediction region information corresponding to one or more sub-images of the sample three-dimensional image are acquired by performing target detection on the sample three-dimensional image using the three-dimensional target detection model. Each piece of the prediction region information includes prediction confidence and prediction location information of a prediction region. A loss value of the three-dimensional target detection model is determined using the actual location information and the one or more pieces of the prediction region information. A parameter of the three-dimensional target detection model is adjusted using the loss value.

Abstract: A digital pre-distortion method for a multiband signal, an electronic device and a non-transitory computer-readable storage medium are disclosed. The digital pre-distortion method may include: determining a possible power amplifier distortion according to configuration of a signal issued by a cell; selecting a basis function of pre-distortion according to the possible power amplifier distortion; solving, according to a pre-collected reference multiband signal and a corresponding feedback signal, the selected basis function to obtain a pre-distortion parameter; and processing an input multiband signal according to the selected basis function and the pre-distortion parameter to generate a pre-distortion signal.

Abstract: The present invention is directed to inhibitors of the interaction of menin with MLL and MLL fusion proteins, pharmaceutical compositions containing the same, and their use in the treatment of cancer and other diseases mediated by the menin-MLL interaction.

Abstract: The present invention provides a compound having a structure of formula (I), a preparation method and use thereof, and a pharmaceutical composition containing the compound, wherein R is methyl, ethyl, propyl, vinyl or propenyl. The present invention also provides a crystalline form of the compound, a preparation method and use of the crystalline form, and a pharmaceutical composition comprising the crystalline form. The compounds having the structure of formula (I) of the present invention are present in a solid form, which not only can solve the problem of clopidogrel resistance, but also can solve the problem of severe hemorrhagic side effect and poor safety of some drugs, as well as the problem of poor stability of existing compounds. It can be developed into an ADP receptor antagonist antiplatelet agent with clear therapeutic effect, no resistance and better stability.

Abstract: A question answering method based on a knowledge graph are disclosed, including: After obtaining a first natural query statement including a first query entity and first entity characteristic information, the terminal queries the knowledge graph based on the first query entity and the first entity characteristic information, to obtain a first result. The terminal obtains a second natural query statement after outputting the first result. The terminal determines a missing part in the second natural query statement based on the first query entity or the first entity characteristic information. The terminal queries the knowledge graph based on the missing part in the second natural query statement to obtain a second result, and outputs the second result.

Abstract: An LLC resonant converter is provided, which includes an input power source, a full-bridge switch circuit, a resonant circuit, a transformer, a rectifier circuit, a load, and a control circuit. The control circuit includes a load detection circuit and a valley switching circuit. The load detection circuit detects a load state of the load. The valley switching circuit is configured to, in response to the load state being a light load state: correspondingly generate a first difference voltage; calculate a first switch on-time for a first switch and a fourth switch; generate switching signals that control the first switch and the fourth switch to be turned off, and detect voltage valleys of a second switch and a third switch; and generate the switching signals to control the second switch and the third switch to be turned on according to the calculated first switch on-time.

Abstract: Provided are an image processing method and apparatus, and a computer storage medium. The method includes that: first segmentation is performed on a to-be-processed image to determine at least one target image region in the to-be-processed image; second segmentation is performed on the at least one target image region to determine first segmentation results of a target in the at least one target image region; and fusion and segmentation are performed on the first segmentation results and the to-be-processed image to determine a second segmentation result of the target in the to-be-processed image.

Abstract: A MEMS device is provided. The MEMS device includes a substrate having at least one contact, a first dielectric layer disposed on the substrate, at least one metal layer disposed on the first dielectric layer, a second dielectric layer disposed on the first dielectric layer and the metal layer and having a recess structure, and a structure layer disposed on the second dielectric layer and having an opening. The opening is disposed to correspond to the recess structure, and the cross-sectional area at the bottom of the opening is smaller than the cross-sectional area at the top of the recess structure. The MEMS device also includes a packaging layer, and at least a portion of the packaging layer is disposed in the opening and the recess structure. The second dielectric layer, the structure layer, and the packaging layer define a chamber.

Abstract: An image processing method includes: performing first segmentation processing on an image to be processed, and determining a segmentation region of a target in said image (S11); determining, according to the position of the center point of the segmentation region of the target, an image region where the target is located (S12); and performing second segmentation processing on the image region where each target is located, and determining the segmentation result of the target in said image (S13).

Abstract: An LLC resonant converter is provided, which includes an input power source, a full-bridge switch circuit, a resonant circuit, a transformer, a rectifier circuit, a load, and a control circuit. The control circuit includes a load detection circuit and a valley switching circuit. The load detection circuit detects a load state of the load. The valley switching circuit is configured to, in response to the load state being a light load state: correspondingly generate a first difference voltage; calculate a first switch on-time for a first switch and a fourth switch; generate switching signals that control the first switch and the fourth switch to be turned off, and detect voltage valleys of a second switch and a third switch; and generate the switching signals to control the second switch and the third switch to be turned on according to the calculated first switch on-time.

Abstract: An interleaved three-phase Y-Delta connected power converter is provided. The interleaved three-phase Y-Delta connected power converter includes an input voltage source, an input capacitor, a first converter module, a second converter module, an output circuit, and a control circuit. The control circuit calculates a phase shift amount and an operating frequency through voltage and current feedbacks to generate a plurality of switch signal groups for controlling the first converter module and the second converter module, respectively.

Abstract: Disclosed are a heart rate detection system and a wearable device using the same. The heart rate detection system includes a light emitting unit, a light sensor and a processor. The light emitting unit emits a light to a human body. The light sensor senses a reflected light of the light and accordingly generates a first electric signal. The processor calculates the low-frequency noise signal and the high-frequency noise signal of the first electric signal, and removes them. After that, the processor executes a peak detection with respect to the first electric signal to calculate peak values of the first electric signal, and calculate a heart rate based on the time intervals among the peak values.

Abstract: This invention is an electric unicycle. It is an improvement of a unicycle and a self-balancing electric unicycle. It comprises one wheel (1B), brushless DC motor (1C), operating-pedal (1D), seat (2A), pneumatic springs (2B) for shock absorb, mainboard (1F), lithium-ion battery pack (1G), telescopic handle (1I), emergency brake footboard (1J), casing (1H). The emergency brake footboard (1J) can be easily mounted and unmounted and folded. While in using, the user generally rides on the seat, swings their foot, to adjust the depression angle of the operating-pedal (1D), to control the wheel rotation, rather than by an electric gyro. Thus, this invention is easy to operate, easy to learn, easy to use, flexible, portable, zero emission, great trafficability. It will become the main short-distance means of transportation for cities and villages, and even can be used in poor road conditions, such as field exploration and forest patrol.

Abstract: A driving circuit and a display panel are provided. The driving circuit includes a first processing module configured to process a working voltage detected by an XAO module, a second processing module configured to process an output voltage of a level shifter, and a calculation module electrically connected to the first processing module and the second processing module.

Abstract: Performing an audio transparency mode of an information handling system (IHS), including performing a calibration and configuration of an audio noise source identification model, including: training the audio noise source identification model, including generating a configuration policy including configuration rules for performing computer-implemented actions for providing a particular noise source through an audio output of the IHS, providing a notification of the particular noise source to devices associated with the user, or both; performing a steady-state monitoring of the IHS, including: identifying a particular noise source of environment of the IHS; and in response: identifying configuration rules of the audio noise source identification model based on the identified particular noise source, applying the configuration rules to perform computer-implemented actions to provide the particular noise source through the audio output of the IHS, provide a notification of the particular noise source to the devi

Abstract: A display panel and a display device are provided, and the display panel includes a bonding area, a thin film transistor functional layer, and a conductive layer disposed in order. A part of the thin film transistor functional layer disposed on the bonding area includes a first inorganic layer and a plurality of signal lines. The conductive layer includes a second inorganic layer and a conductive layer disposed in order, and a part of the second inorganic layer disposed in the bonding area is disposed on the signal line and is directly disposed on the first inorganic layer.

Abstract: A physical training system for pelvic floor muscle, wherein the physical training system for pelvic floor muscle is capable of providing at least one optional exercising setting to user for making the physical training system for pelvic floor muscle can guide the user to accomplish at least one exercising movement, wherein the exercising setting is selected from a group of exercising settings, wherein the group of exercising settings comprises an exercising movement setting, an exercising time setting, an exercising intensity setting, an exercising frequency setting, an exercising guidance setting, an exercising auxiliary setting and an exercising feedback setting, wherein the physical training system for pelvic floor muscle comprises a processor and a Client, wherein the processor is capable of providing at least one optional exercising setting to user, wherein the exercising settings are set to be displayed on the Client.

Abstract: Provided is an underwater repair system for a cavity region of a concrete panel rock-fill dam panel, including a moving platform, a work cabin, a pressure drainage apparatus, a traction apparatus, and a positioning apparatus; the traction apparatus controlling the movement of the moving platform on the surface of a dam concrete panel; the positioning apparatus transmits a detection position; the work cabin is a pressure cabin, the work cabin being connected to the pressure drainage apparatus, and a drill apparatus and grouting apparatus being arranged in the work cabin; the moving platform moves into the cavity region, and the pressure drainage apparatus starts up to drain the water in the work cabin, a partially closed waterless space being formed inside the work cabin, the drill apparatus drilling the concrete panel at the upper end of the cavity region and the grouting apparatus subsequently implementing grouting to complete the repair.

Abstract: A MEMS device is provided. The MEMS device includes a substrate having at least one contact, a first dielectric layer disposed on the substrate, at least one metal layer disposed on the first dielectric layer, a second dielectric layer disposed on the first dielectric layer and the metal layer and having a recess structure, and a structure layer disposed on the second dielectric layer and having an opening. The opening is disposed on and corresponds to the recess structure, and the cross-sectional area at the bottom of the opening is smaller than the cross-sectional area at the top of the recess structure. The MEMS device also includes a sealing layer, and at least a portion of the sealing layer is disposed in the opening and the recess structure. The second dielectric layer, the structure layer, and the sealing layer define a chamber.

Abstract: A process of producing an extinguishing agent includes dissolving 5 g to 90 g of diammonium hydrogen phosphate, 0.1 g to 60 g of urea, 1 g to 90 g of ammonium carbonate, 5 g to 90 of ammonium sulfate, and 20 g to 250 g of potassium carbonate in 400 ml to 550 ml of water at a temperature of 30° C. to 90° C. to form a first solution; mixing the first solution with 5 g to 500 g of surfactant to undergo a first reaction for forming a second solution; and mixing the second solution with 1000 ml of water to undergo a second reaction for forming an extinguishing agent.