Abstract: A method of estimating an optical flow includes processing, using an image processing pass, a first image and a second image separately, and estimating the optical flow based on a second image attention feature map of the first image and a second image attention feature map of the second image. The processing using the image processing pass includes extracting a feature map by encoding an image, outputting a first image fusion attention feature map by fusing row relationship information of the image with the image feature map, outputting a first image attention feature map of the image based on the first image fusion attention feature map and the image feature map, outputting a second image fusion attention feature map by fusing column relationship information of the image with the first image attention feature map, and generating a second image attention feature map of the image based on the second image fusion attention feature map and the first image attention feature map.

Abstract: A power conversion circuit is used in a solar array suitable for, e.g., roadside adjacent installation. The power conversion circuit includes an inverter with a first stage electrically coupled to one or more solar panels. A third stage of the circuit has a DC to AC converter that provides less than a 50 VAC load voltage to a load, and a second stage that is coupled between the first and third stages and provides an isolated electrical power coupling therebetween. A sync interface communicatively couples a controller to other controllers dedicated to one or more other respective inverters of the solar array via a sync signal. The controllers synchronize the third stages of the inverters via the sync signal. The third stages of the inverters are coupled in series to provide a load output voltage.

Abstract: The disclosure relates to a conductive housing for the connector and a connector comprising the conductive housing. The conductive housing comprises a plurality of side surfaces, at least one of which comprising a plurality of terminal connection portions spaced apart from one another at an edge portion of the side surface, and a gap being formed between two adjacent terminal connection portions; and a plurality of terminal pins, each of which being connected to the respective terminal connection portion. The conductive housing further comprises at least one conductive elastic piece, one of which being connected between the two adjacent terminal connection portions to at least partially cover the gap between the two adjacent terminal connection portions. By means of such arrangement, the conductive elastic piece covers most areas between the terminal pins so as to enhance electromagnetic compatibility.

Abstract: A novel compound represented by the following Chemical Formula 1, and an organic light emitting device comprising the same.

Abstract: A die-casting aluminum alloy without heat-treatment and a preparation method and application thereof. Based on a total weight of the die-casting aluminum alloy, the die-casting aluminum alloy includes: 6.0 to 8.0 wt % of Si; 0.3 to 1.2 wt % of Mg; 0.4 to 0.8 wt % of Cu; 0.1 to 0.3 wt % of Fe; 0.6 to 0.8 wt % of Mn; 0.05 to 0.20 wt % of Ti; 0.03 to 0.07 wt % of Sr; 0.03 to 0.07 wt % of Ce; 0.01 to 0.04 wt % of La; 0.01 to 0.1 wt % of Zr; less than or equal to 0.01 wt % of other impurity elements; and a balance of Al.

Abstract: A composition for an organic optoelectronic device an organic optoelectronic device, and a display device, the composition including a first compound; a second compound; and a third compound, wherein the first compound, the second compound, and the third compound are different from each other, the first compound is represented by Chemical Formula I, the second compound is represented by Chemical Formula I, and the third compound is represented by Chemical Formula II or Chemical Formula III:

Abstract: Disclosed is an iron-based amorphous alloy FeaBbSicREd, wherein a, b, and c represent, in atomic percentages, the contents of corresponding components, respectively; 83.0?a?87.0, 11.0<b<15.0, 2.0?c?4.0, and a+b+c=100; and d is the concentration of RE in the iron-based amorphous alloy, i.e. 10 ppm?d?30 ppm. The iron-based amorphous alloy has a saturation magnetic induction intensity of no less than 1.63 T, and same can be used to manufacture a magnetic core material for power transformers, motors and inverters.

Abstract: A lock, a vehicle parking system, and a vehicle parking method are provided. The lock includes a main body, a lock switch, a lock controller, a lock communication circuit, and a battery. The battery is connected to the lock switch, the lock controller, and the lock communication circuit, and configured to supply electrical energy to the lock switch, the lock controller, and the lock communication circuit. The lock communication circuit is connected to the lock controller, and transmits a locking instruction or an unlocking instruction to the lock controller when receiving the locking instruction or the unlocking instruction from a second device located outside the lock. The lock controller is connected to the lock switch connected to the main body, and the lock controller controls, when receiving the locking instruction or the unlocking instruction, the main body to perform a locking operation or an unlocking operation through the lock switch.

Abstract: A plug has a power supply module, a leakage detection module, a timing module, an input terminal for external power supply and an output terminal for outputting voltage, a current loop is formed between the input terminal and the output terminal, the power module is connected to an external power source through the input terminal, the power module includes a rectifier unit D3 and a power control unit, the input of the rectifier unit D3 and the input terminal are electrically connected. The invention has the function of automatically disconnecting the line output when the line has leakage, protecting the plug and the externally connected electrical appliances, and at the same time, it can automatically perform self-checking at regular intervals to check whether the leakage protection function can be used normally, thereby improving the plug's reliability.

Abstract: A building photovoltaic data interpolation method based on WGAN and whale optimization algorithm is provided, which includes: obtaining historical building roof photovoltaic output data, perform preprocessing on the historical building roof photovoltaic output data, and uses CNN to build a GAN; describing missing value position of preprocessed data by using a binary mask matrix, and setting Wasserstein distance to define a loss function of a GAN generator and a discriminator; taking the loss function as a fitness function, optimizing an input to the GAN generator through a whale optimization algorithm and obtaining optimized candidate samples; fusing the optimized candidate samples and a photovoltaic data processed by the binary mask matrix to obtain completed reconstructed samples, so as to improve the complementary accuracy, optimize the random noise, remove the unfavorable influencing components, and provide services for building rooftop PV data interpolation more accurately.

Abstract: The present invention belongs to the medical field, and relates to novel ?-lactamase inhibitors, for the treatment of bacterial infections in combination with ?-lactam antibiotics, including infection caused by drug resistant organisms and especially multi-drug resistant organisms. The present invention includes compounds according to formula (I): or pharmaceutically acceptable salts thereof, wherein M and R are as defined herein.

Abstract: A process for treating aged oil by electron beam irradiation is disclosed, comprising the following steps: step 1, homogenizing the aged oil and then feeding the aged oil into a distributor; step 2, forming a liquid layer having a certain thickness on the distributor; step 3, installing and debugging an electron beam irradiation device on the distributor; step 4, installing and debugging a phased-array microwave emitter on the distributor after installing and debugging the electron beam irradiation device; step 5, turning on the electron beam irradiation device and the phased-array microwave emitter; and step 6, dividing the treated aged oil and then allowing the aged oil after dividing to enter an oil pool and a water pool for standing. Oil flows out from an upper layer of the oil pool, a lower layer of the oil pool flows back to an aged oil storage pool.

Abstract: A cordycepin-based derived compound with an anti-tumor effect, and a structure of the compound is as shown in formula I; a cordycepin derivative and a pharmaceutical composition thereof provided by the invention have a good anti-tumor proliferation effect; compared with a parent drug, the cordycepin derivative has better affinity to cell membranes, so that a half-life period of in-vivo metabolism of the drug is longer, and in-vivo remaining time of the drug is longer; compared with other nucleoside anti-tumor drugs, the cordycepin derivative and the pharmaceutical composition thereof provided by the invention have wider types and action ranges of tumors, have excellent inhibition effects on a gastric cancer, a pancreatic cancer, a liver cancer, a small cell lung cancer, a colorectal cancer, melanoma, an ovarian cancer and the like, and have lower side effects and better curative effects.

Abstract: Disclosed are methods of message processing, apparatuses therefor, and an electronic device. An implementation of the disclosure includes: presenting, responsive to a user's preset trigger operation in a target conversation, a schedule set area and a scheduled send button in the target conversation; determining a message send time set by the user via the schedule set area; and retrieving, after the user triggers the scheduled send button, message content in a message input box of the target conversation as message content for a target scheduled message, and creating the target scheduled message according to the message send time. This implementation realizes direct creation of a scheduled message via a message input box of an instant messaging client, facilitates converting an edited instant message to a scheduled message, extends functions of the instant messaging client, and enhances user experience.

Abstract: A contact-based inductive sensing technique for contextual interactions on interactive fabrics is described. The technique recognizes conductive objects (mainly metallic) that are commonly found in households and workplaces, such as keys, coins, and electronic devices. An apparatus includes an array of a plurality of six by six spiral-shaped coils including conductive thread, sewn onto a four-layer fabric structure. The coil shape parameters were determined based on maximizing the sensitivity based on a new inductance approximation formula. Through a ten-participant study, the performance of sensing technique across 27 common objects was evaluated. A 93.9% real-time accuracy for object recognition resulted.

Abstract: An inhaler may include a housing that comprises a mouthpiece, a medication canister, and an airflow channel formed between an air inlet and the mouthpiece. The inhaler may also include a pressure sensor configured to measure pressure (e.g., or alternatively, an acoustic sensor to measure acoustic sound waves). The pressure sensor may be attached to the medicament canister of the inhaler. The pressure sensor may be configured to be in a first position relative to the airflow channel when the medication canister is not actuated, and in a second position relative to the airflow channel when the medication canister is in an actuated position. The inhaler may also include a processor that is configured to receive pressure measurements from the pressure sensor, and detect whether an inhalation occurs prior the medication canister being depressed to release medication based on the pressure measurements (e.g., only the pressure measurements).

Abstract: The disclosure provides image rendering methods and apparatuses. One example method includes that a foreground image is first rendered, and then a panoramic image used as a background is rendered. A pixel corresponding to the foreground image has a corresponding depth value. When the panoramic image is rendered, content corresponding to the panoramic image may be rendered at a pixel corresponding to a depth standard value based on a depth value of a pixel on a canvas. The depth reference value is a depth value of a pixel other than the pixel corresponding to the foreground image.

Abstract: The present disclosure relates to a composite logic gate circuit, including: a simple logic gate circuit including a first logic gate circuit and an inverter circuit, a first PMOS transistor, and a first NMOS transistor. The first logic gate circuit is configured to receive a first input signal and a second input signal, and to output a first output signal. The inverter circuit includes a second PMOS transistor and a second NMOS transistor. A source of the second PMOS transistor is coupled to a power input terminal, a drain is coupled to a drain of the second NMOS transistor, and a gate is configured to receive the first output signal. A source of the second NMOS transistor is coupled to a ground terminal, and a gate is configured to receive the first output signal. A source of the first PMOS transistor is coupled to the drain of the second PMOS transistor, a drain is coupled to a drain of the first NMOS transistor, and a gate is configured to receive a third input signal.

Abstract: Apparatuses, systems, and techniques are presented to generate images representing realistic motion or activity. In at least one embodiment, one or more neural networks are used to select a first neural network to perform a first task based, at least in part, upon a performance estimated by a second neural network.

Abstract: The present invention provides PD-1 monoclonal antibodies, particularly human monoclonal antibodies of PD-1, which specifically bind to PD-1 with high affinity and comprise a heavy chain and a light chain. The present invention further provides nucleic acid sequence encoding the antibodies of the invention, cloning or expression vectors, host cells and methods for expressing or isolating the antibodies. Immunoconjugates, therapeutic compositions comprising the antibodies of the invention are also provided. The invention also provides methods for treating various cancers with anti-PD-1 antibodies.