Abstract: An application method of an active portion of Ligusticum chuanxiong in preparation of an anti-gout drug is provided, which belongs to the technical field of drugs, relates to an active portion of a traditional Chinese medicine and an application method thereof. An active portion of the Ligusticum chuanxiong for inhibiting xanthine oxidase (XOD, or XO) is an ethyl acetate extract, the ethyl acetate extract mainly includes a small and medium polar lipophilic component, and the small and medium polar lipophilic component is mainly a phthalide compound, and it has been confirmed through experiments that the active portion has an anti-gout effect, in addition, an anti-gout drug and an anti-gout health product containing the active portion of the Ligusticum chuanxiong are provided.

Abstract: An air conditioner and an air deflector thereof. The air deflector includes a plate-shaped body, wherein the plate-shaped body has one or more slits penetrating the plate-shaped body. parts of the plate-shaped body located at both sides of each of the one or more slits being offset from each other.

Abstract: An image sensor circuit, an image sensor chip, and a camera device are used in the field of sensor technologies, to resolve a problem that an automatic conversion gain determining mechanism in an existing image sensor easily causes crosstalk to a voltage on a column bus coupled to a pixel unit. In the image sensor circuit, a conversion gain selection circuit is disposed between each column bus of a double conversion gain pixel array and a corresponding analog-to-digital converter. After a floating diffusion node in a pixel unit is reset, the conversion gain selection circuit separately receives voltages output by the pixel unit in a high conversion gain mode and a low conversion gain mode.

Abstract: Embodiments of the present disclosure provide a method for recognizing a gesture, a device, and a storage medium; and the method includes: acquiring a plurality of frames of images including a hand object within a first preset duration before a current time; respectively performing feature extraction on the plurality of frames of images to obtain a feature vector corresponding to each of the plurality of frames of images; determining at least one frame of target image before the current frame of image, and determining pose information corresponding to the hand object according to a feature vector corresponding to the current frame of image, a feature vector corresponding to each frame of target image and a preset deep learning model; and determining gesture command information corresponding to the hand object according to the feature vector corresponding to each of the frames of images and the preset deep learning model.

Abstract: The present disclosure provides a camera calibration method based on vehicle localization, mainly considering that a vehicle is not of an ideal rigid structure, and shaking of a vehicle body during operation, uneven road surfaces, or different loads will cause variations in extrinsic parameters of a camera system, resulting in perceptual information errors. Therefore, through perceptual information from a fused image, an inertial measurement unit, a speedometer, and the like, combined with the road and marking information provided by a high-definition map, the relative motion between the vehicle body and a vehicle chassis is simultaneously described with a mass-spring-damper model, so as to complete the determination of six-degree-of-freedom positions of the vehicle body and the vehicle chassis, and finally the extrinsic parameters of cameras are immediately calibrated with the vehicle chassis as reference coordinates.

Abstract: An outlet structure for an encoder includes: an encoder case, a metal ring, a fixing member, and two O-shaped rings. A first cable through-hole is disposed in the encoder case. The metal ring is disposed in the first cable through-hole to clasp a shielding layer of a cable. The fixing member includes a second cable through-hole, and the fixing member fits with interference into the first cable through-hole from an outer side of the encoder case. The first O-shaped ring fits onto the fixing member to seal a slit between the fixing member and the encoder case. The second O-shaped ring in the second cable through hole seals a slit between the fixing member and the cable, and the second O-shaped ring applies an elastic force to the metal ring such that the metal ring remains abutting against the encoder case.

Abstract: This application provides an image sensor and a control method thereof. The image sensor includes an optical-to-electrical conversion unit, a signal readout unit, and a conversion gain determining unit, the optical-to-electrical conversion unit includes a photodiode, and the signal readout unit includes a floating diffusion node, a dual conversion gain transistor, and a first capacitor. The floating diffusion node is configured to store a charge corresponding to an electrical signal obtained by converting incident light by the photodiode. The conversion gain determining unit is configured to compare a magnitude of a cathode voltage of the photodiode with a magnitude of a reference voltage, and output a control voltage based on a comparison result, where the control voltage is used to control the dual conversion gain transistor to be turned on or off.

Abstract: The present invention relates to systems, compositions, and methods for the synthesis and use of imaging agents, or precursors thereof. An imaging agent precursor may be converted to an imaging agent using the methods described herein. In some cases, the imaging agent is enriched in 18F. In some cases, an imaging agent may be used to image an area of interest in a subject, including, but not limited to, the heart, cardiovascular system, cardiac vessels, brain, and other organs. In some embodiments, methods and compositions for assessing perfusion and innervation mismatch in a portion of a subject are provided.

Abstract: The present application pertains to the technical field of vehicles, and in particular to a vehicle intelligent control system based on a dual independent control system and a corresponding vehicle. The system includes a locomotive terminal and a cloud server. The locomotive terminal includes a first control system and a second control system both being operable independently and capable of exchanging data with each other in real time. The first control system monitors an operation state of the vehicle in real time and transmits at least part of operation state data to the second control system in real time, and controls an operation of the vehicle according to an internal preset instruction and a control instruction received from the second control system.

Abstract: Disclosed are an audio information transmission system, method, and apparatus, and a corresponding two-wheeled vehicle and helmet. The system includes a media control apparatus and an audio switching apparatus connected to the media control apparatus. The audio switching apparatus is connected to a mobile terminal and the helmet and is configured to receive first audio information transmitted by the mobile terminal and transmit same to the media control apparatus. The media control apparatus is configured to receive and mix second audio information generated by the two-wheeled vehicle with the first audio information, to generate mixed audio information. The audio switching apparatus transmits the mixed audio information to the helmet. In the present application, the audio information transmitted by the mobile terminal and information such as navigation voices, alarms emitted by the two-wheeled vehicle are mixed.

Abstract: In some embodiments, an apparatus for generating a radiation, such as X-rays, includes an emitter, such as an electron gun, of a beam of charged particles; a target, such as an anode, extending a length along a target trajectory that includes at least a curved segment and including a material adapted to emit a radiation, such as X-rays, upon the charged particles impinging on the target; and a scan tube attached to the emitter and enclosing the target. The target has multiple portions, some of which being disposed closer to the emitter than other portions. The apparatus may further include two control components. The first component includes one or more magnets for guiding the charged particle along the target without impinging on it; the second component includes one or more magnets for deflecting the guided charged particles to impinge upon the target at different locations over time.

Abstract: Provided are a water pan and an indoor unit. The water pan includes: a frame including an annular side wall and a mounting groove body; and a water tray arranged in the mounting groove body. An annular air outlet surrounding the water tray is formed between the annular side wall and the water tray. The annular air outlet is continuously arranged, which reduces a blind region of an air supply at a partition of an air outlet, expands an air supply range, and enables the indoor unit using the water pan to realize a 360° air supply.

Abstract: An outlet structure for an encoder includes: an encoder case, a metal ring, a fixing member, and two O-shaped rings. A first cable through-hole is disposed in the encoder case. The metal ring is disposed in the first cable through-hole to clasp a shielding layer of a cable. The fixing member includes a second cable through-hole, and the fixing member fits with interference into the first cable through-hole from an outer side of the encoder case. The first O-shaped ring fits onto the fixing member to seal a slit between the fixing member and the encoder case. The second O-shaped ring in the second cable through hole seals a slit between the fixing member and the cable, and the second O-shaped ring applies an elastic force to the metal ring such that the metal ring remains abutting against the encoder case.

Abstract: Embodiments of the disclosure discloses a method, apparatus, and electronic device for image processing. The method for image processing includes obtaining a plurality of hand images, the plurality of hand images being images of a target hand captured from a plurality of viewing angles; determining finger pose information based on the plurality of hand images; determining palm pose information based on the plurality of hand images; and determining pose information of the target hand based on the finger pose information and the palm pose information. The method for image processing can improve the accuracy of hand pose prediction.

Abstract: In a moving target detection method a detection apparatus controls a first pixel system to be exposed for first duration; controls a second pixel system to be exposed for second duration; obtains first luminance information and second luminance information, where the first luminance information indicates luminance obtained by exposing the first pixel system for the first duration, and the second luminance information indicates luminance obtained by exposing the second pixel system for the second duration; and generates motion information based on the first luminance information and the second luminance information, where the motion information indicates whether a difference exists between the first luminance information and the second luminance information.

Abstract: A semiconductor package includes a substrate, first bumps, a first chip, metal pillars, second bumps and a second chip. The substrate includes first and second conductive pads which are located on a top surface of the substrate. Both ends of the first bumps are connected to the first conductive pads and the first chip, respectively. Both ends of the metal pillars are connected to the second conductive pads and one end of the second bumps, respectively. A cross-sectional area of each of the metal pillars is larger than that of each of the second bumps. The second chip is connected to the other end of the second bumps and located above the first chip.

Abstract: An electronic device and a method for determining scenario data of a self-driving car are provided. The method includes: obtaining training scenario data by using scenario data, a loss function and a self-driving program module; training an encoding module and a decoding module by using the training scenario data, and generating a scenario space by using the trained encoding module; obtaining a monitoring module by using the scenario space; and executing the monitoring module to determine whether current scenario data belongs to an operational design domain by using the current scenario data and the trained encoding module.