Abstract: The present disclosure provides a method and apparatus for synchronously playing video among multiple devices and belongs to the field of video playback technology. The method is performed by a master device among multiple synchronous playback devices which further include at least one slave device that is used to play a same video file as the master device. The method includes: obtaining a first start playback time point of a to-be-played key frame of the video file, in the video file; and sending, at a first moment, a synchronization instruction to the at least one slave device. The synchronization instruction includes indicating that the first start playback time point is a target synchronization time point, the first moment corresponds to a first playback progress time point in the video file, and the first playback progress time point is located before the first start playback time point.

Abstract: Disclosed is a method and system for grid connection management of renewable energy generation, the method comprises: obtaining operating condition data of a first power supply, a second power supply, a power grid, and a load in a preset period; establishing a first optimal control model according to the first condition data, and establishing a second optimal control model; monitoring grid connection management status of the first optimal control model and the second optimal control model; analyzing stability when the first optimal control model is switched to the second optimal control model. The beneficial effects of this disclosure are: completing the switch from the first optimal control model to the second optimal control model in the renewable energy generation grid connection management, which improves the smoothness of control model switching under different load conditions in the renewable energy generation process.

Abstract: The present invention relates to the field of unmanned aerial vehicle safety protection technologies, and in particular, to an unmanned aerial vehicle safety protection method and apparatus and an unmanned aerial vehicle. The method includes: obtaining ultrasonic information and a flight status of an unmanned aerial vehicle, where the flight status includes a normal flight state and a descending state; and performing safety protection on the unmanned aerial vehicle according to the ultrasonic information and the flight status. The implementation can reduce an occurrence probability that an unmanned aerial vehicle crashes at a high altitude when ultrasound encounters abnormalities to get out of control at the high altitude and fail to descend, rise, move to the left or move to the right and land without slowing down to violently hit the ground, so that the safety of the unmanned aerial vehicle is enhanced, and user experience is improved.

Abstract: A computer-implemented method is provided. The method includes obtaining a first value of a first color setting of an operating system; obtaining a second value of a second color setting of an application on the operating system; and resetting the second color setting of the application to a third color setting based on a combination of the first value and the second value. The third color setting is different from the first color setting, and the third color setting is different from the second color setting.

Abstract: A laser fusion welding device includes a 1.9 ?m laser light source, a control unit and a light spot adjusting device. The control unit is configured to control the laser light source and the light spot adjusting device to adjust a laser power density at an object to be subjected to fusion welding. The 1.9 ?m laser light source has output power of 100-500 W. The control unit includes a time control unit, a power control unit and a light spot control unit. The time control unit is configured to control a turn-on time of the laser light source. The power control unit is configured to control the output power of the laser light source. The light spot control unit is configured to control the light spot adjusting device to adjust a size of a light spot at the object to be subjected to fusion welding.

Abstract: Replaceable windings (101) for an electromagnetic machine (100) are provided. A replaceable winding (101) comprises a body (107) having a longitudinal axis (105), the body (107) comprising opposing surfaces along the longitudinal axis (105). The replaceable winding (101) further comprises an aperture (119) through the body (107), between the opposing surfaces, the aperture (119) having generally parallel internal sides about perpendicular to the opposing surfaces of the body (107), the aperture (119) configured to removably received a pole portion (109) of the electromagnetic machine (100). The replaceable winding (101) further comprises electrical conductors wound about the aperture (119) in the body (107). The replaceable winding (101) further comprises electrical connectors (123) at one or more external sides of the body (107), the electrical connectors (123) connected to the electrical conductors.

Abstract: An interaction method, an interaction apparatus, and an electronic device are provided. The method includes: determining, in response to detecting a predefined size transformation operation, target transformation information of a target video based on whether a current size of the target video is a preset anchor point size, where the target video is a video played in a video play area; and transforming the target video based on the target transformation information, and playing the transformed target video.

Abstract: In a technique to assess the blurriness of an image, an image of a face is received, the image including a depiction of lips. A processing device determines a region of interest in the image, wherein the region of interest comprises an area inside of the lips. The processing device applies a focus operator to the pixels within the region of interest, and calculates a sharpness metric for the region of interest using an output of the focus operator. The processing device determines whether the sharpness metric satisfies a sharpness criterion, and one or more additional operations are performed responsive to determining that the sharpness metric satisfies the sharpness criterion.

Abstract: An information display method and apparatus, and a computer-readable storage medium and an electronic device. The method includes: determining a target font category to be written in response to an operation of a user on a display device page; determining a target font conversion model corresponding to the target font category in a model library, wherein the model library including font conversion models corresponding to a plurality of font categories; in response to a writing operation of the user on the display device page, determining a standard word corresponding to the writing operation according to a writing trajectory of the writing operation, and generating an initial bitmap corresponding to the standard word; and converting the initial bitmap of the standard word into a target bitmap corresponding to the target font category using the target font conversion model and displaying the target bitmap on the display device page.

Abstract: A device for separating and recovering flat-plate catalyst powder and a method for determining a wear ratio are provided. The device includes a powder separation unit and a powder recovery unit, a powder accumulation bin is respectively connected with a shell and a catalyst powder outlet, a cyclone outlet is configured on an inner side of a recovery shell, and a primary filter and a secondary filter are configured on an inner side wall of the recovery shell.

Abstract: Disclosed are a method for switching a theme of an application and an electronic device, which belong to the field of electronic technologies. The electronic device receives a theme switching request for a first application in the electronic device. The theme switching request includes an indication for a target theme. In response to the theme switching request, the electronic device switches a theme of the first application to the target theme, and switches a theme of a second application having an association relationship with the first application in the electronic device to the target theme.

Abstract: Embodiments of the invention are directed to a computer-implemented method. A non-limiting example of the computer-implemented method includes accessing, using a processor system, a process-step sequence that includes a plurality process-steps and a plurality of queue-times. A process-step sequence mining operation is applied to the process-step sequence, wherein the process-step sequence mining operation is operable to make a prediction of an impact of a portion of the process-step sequence on a characteristic of a product generated by the process-step sequence.

Abstract: The present disclosure provides a method, a device and system for loading page data. The method includes: determining a target page to be displayed; transmitting request information for requesting a data packet corresponding to the target page to a server, the request information including an identifier of the target page and a first identifier set, the first identifier set including identifiers of pages loaded by the UE in a second identifier set, and the second identifier set including identifiers of all pages in a software package to which the target page belongs; and receiving the data packet corresponding to the target page from the server.

Abstract: An automatic baggage-packing device for urban terminals based on artificial intelligence is provided. The automatic baggage-packing device includes a baggage transfer rack, baggage transfer rack forms a baggage transfer channel through a transfer stick, baggage transfer rack is equipped with several selectors located above the baggage transfer channel, the selectors are arranged in turn in the extension direction of the baggage transfer channel. The automatic baggage-packing device also includes an automatic loading device set outside of the baggage transfer rack to cooperate with the selectors to load the selected baggage. The invention has the effect of making baggage freight more convenient and quicker in use.

Abstract: An automatic baggage-packing device for urban terminals based on artificial intelligence is provided. The automatic baggage-packing device includes a baggage transfer rack, baggage transfer rack forms a baggage transfer channel through a transfer stick, baggage transfer rack is equipped with several selectors located above the baggage transfer channel, the selectors are arranged in turn in the extension direction of the baggage transfer channel. The automatic baggage-packing device also includes an automatic loading device set outside of the baggage transfer rack to cooperate with the selectors to load the selected baggage. The invention has the effect of making baggage freight more convenient and quicker in use.

Abstract: Provided herein are orthodontic systems and methods for automatically segmenting a person's teeth. Systems, methods and processes are provided to properly segment the teeth of a person's teeth from an image of the person's face showing at least some of the person's teeth (e.g., dental arch). Methods and systems are provided to automatically detect dental edges after a dental scan. Also described herein are methods and systems for generating a simulated image of the person's face from the final segmentation of the person's teeth in which the segmented teeth have been moved from their original position, including a new position based on an orthodontic treatment plan.

Abstract: A method includes determining depth values associated with a first set of pixel locations in a first image of a mouth. One or more function is generated for one or more color channels based on intensities of the one or more color channels at the first set of pixel locations and depth values associated with the first set of pixel locations. Image data comprising a new representation of the teeth is received, wherein the image data comprises a second set of pixel locations and new depth values associated with the second set of pixel locations. A new image is generated based on the image data and the one or more functions.

Abstract: A method includes receiving an image of a face, processing the image using a first trained machine learning model to determine a bounding shape around teeth in the image, cropping the image based on the bounding shape to produce a cropped image, processing the cropped image using an edge detection operation to generate edge data for the cropped image, and processing the cropped image and the edge data using a second trained machine learning model to label edges in the cropped image.

Abstract: The present disclosure provides a processing apparatus of device status change, including processor configured to: in response to detecting one or more status changes of at least one device, judging whether each status change would cause an update conflict of status information corresponding to the each status change, in a management user interface of the at least one device; store a management user interface update task corresponding to a status change that would not cause the update conflict into a current execution queue, and store a management user interface update task corresponding to a status change that would cause the update conflict into a delayed execution queue; and in the case where the update conflict corresponding to the management user interface update task in the delayed execution queue has ended, execute the management user interface update task corresponding to the update conflict in the delayed execution queue.