Abstract: An optical display system and a head-mounted display electronics apparatus are disclosed. The optical display system comprises: an image-generating apparatus, which generates image light; and an image-viewing apparatus, which guides the image light to eyes of a viewer, wherein the image-viewing apparatus comprises an imaging optical assembly and a multifocal assembly placed, the multifocal assembly has at least two optical powers and is programmable to choose at least one of the optical powers at a given time.

Abstract: An optical display system and an electronics device are disclosed. The optical display system comprises: a display, which generating image light of a first polarization; a partial reflector, which transmits the image light without changing its polarization and reflects the image light with its polarization being changed to a second polarization; a first optic unit, placed after the partial reflector, which includes at least one refractive lens for chromatic aberration correction; and a reflection-type Pancharatnam-Berry lens, which is placed after the first optic unit and works in the Bragg regime, and which reflects the image light of the first polarization and transmits the image light of the second polarization.

Abstract: The present disclosure provides a video generation method and apparatus, a device, and a storage medium. The method includes: playing a first video for prompting a video taking style on a video taking page in the form of a floating window, wherein the video taking page presents a taken image preview region for presenting a taken image in preview and a video taking control; recording, in response to a triggering operation on the video taking control, the taken image in the taken image preview region to generate a second video, wherein the second video and the first video have a same style. In this way, the second video is taken by playing, on the video taking page, the first video used for prompting the video taking style, so that an ordinary user can be guided to take a high-quality video, and the video taking experience of the user is improved.

Abstract: Provided are a method for generating a project flow, an electronic device, and a storage medium. The method includes determining at least one process node corresponding to a target project to be configured and determining node attribute information of the at least one process node; determining a node dependence of the at least one process node; and determining, based on the node dependence and the node attribute information, execution project flow information corresponding to the target project to be configured.

Abstract: A method for protecting a motor from overloading includes: acquiring a present effective value of a phase current of a motor; performing time integration on the present effective value of the phase current, to obtain a first integral value; obtaining a first threshold; performing overload detection according to the first threshold and the first integral value; determining a target limiting current for operation of the motor if an overload occurs; and controlling the operation of the motor based on the target limiting current.

Abstract: A method includes acquiring a to-be-used execution project flow, where the to-be-used execution project flow includes multiple to-be-used flow nodes; in response to detecting that an operation on at least one to-be-used flow node is a preset operation, updating the to-be-used execution project flow; and in response to detecting that a target control is triggered, using the updated to-be-used execution project flow as a target execution project flow.

Abstract: An LED lamp includes: a lamp shell having a circular cross-section along a central axis of the lamp shell comprising a lamp neck and a sleeve; a heat sink comprising a plurality of fins, sleeving over the sleeve and connecting to the lamp neck; a power source comprising a power board and a plurality of electronic components mounted thereon disposed in the lamp neck and the sleeve; a light board comprising an opening at center portion and disposed at second end of the heat sink and physically and thermally connecting to the heat sink; a plurality of LED chips mounted on the light board and electrically connecting to the power source; and a lamp cover disposed at the second end of the heat sink and covering the plurality of LED chips; wherein the sleeve and the opening of the light board defines a first heat dissipating channel, the plurality of fins and the opening of the light board defines a second heat dissipating channel, the first heat dissipating channel and the second heat dissipating channel share the

Abstract: Disclosed are a long-distance optical fiber detecting method, apparatus, device and system, and a storage medium. The method comprises: in response to a detection request of a target node on a to-be-detected optical fiber, determining a first and second sampling sequence that are formed by respectively propagating, on said optical fiber, a first and second optical signal respectively sent from each end of the optical fiber through an OTDR; determining a total length of the optical fiber; generating a detection result according to the first and second sampling sequence and the total length, and sending the detection result to the target node. By determining the first and second sampling sequence and combining the total length of the optical fiber, a detection result of the to-be-detected optical fiber is generated.

Abstract: A music playing method and apparatus based on user interaction, a device and a storage medium, which relate to the technical field of music videos. The method includes: capturing a target video through a video capturing apparatus; determining an audio processing mode corresponding to a target action when it is identified in the target video that a target object presents the target action; and playing music according to the audio processing mode. The target video is captured by the video capturing apparatus, and when the target object in the target video is identified to generate the target action, the corresponding audio processing mode is determined based on the target action, and music is played according to the audio processing mode.

Abstract: A system and method for enhancing video resolution is disclosed. A Low-Resolution (LR) video including a plurality of LR images is received. The LR video is converted to a High-Resolution (HR) video by transforming at least one LR image to a HR image. Pixel unshuffle is performed to rearrange image portions in the LR image to generate a set of downsampled sub-images. Further, shallow features are extracted from the set of downsampled sub-image. The shallow features extracted corresponding to the set of downsampled sub-images configure a feature space. The shallow features are processed using a series of inverted residual blocks to generate enhanced features corresponding to the set of downsampled sub-images. The enhanced features are mapped to a high resolution feature space using pixel shuffle to generate the HR image corresponding to the LR image.

Abstract: A first type of input may be received via a first component of a computing device during creation of a video item. The first type of input may correspond to a first type of element associated with the video item. Characteristics of signals in the first type of input may be determined, in real time, based on the first type of input. At least one modification may be caused to a second type of element associated with the video item based at least in part on the characteristics of the signals in the first type of input. In some examples, the first type of input may be audio input, and the second type of element may comprise a visual element. In other examples, the first type of input may be video input, and the second type of element may comprise an audio element.

Abstract: The present application provides a special effect processing method and apparatus. The method includes: generating an audio signal in response to a touch operation of a user in a process of playing a video; segmenting the audio signal into multiple audio frames; performing, according to attributes of the audio frames, special effect processing on a picture which is currently played in the video.

Abstract: Various embodiments described herein provide for a method for reduced power consumption by a memory system. A memory system of some embodiments monitors power state change requests received by the memory system from a host system, and determines a pattern of power state change requests received from the host system. Based on the determined pattern, the memory system can decide to activate or deactivate a reduced power consumption mode on the memory system. A reduced power consumption mode can comprise a first set of operation parameters that cause a memory system to operate with lower power consumption than a second set of operation parameters associated with a current operation mode, where the current operation mode is associated with a current power state set or last requested by the host system.

Abstract: The present application provides a method for recycling selenium sources in a selenium-enriched yeast fermentation process, and a treatment system for selenium-containing wastewater. The method includes: step S1, performing separation and concentration treatments on selenium-containing wastewater produced in a selenium-enriched yeast fermentation process, so as to obtain a selenium-containing concentrated solution; step S2, adjusting a selenium content of the selenium-containing concentrated solution to a predetermined selenium content, so as to obtain a selenium-containing nutrient solution; and step S3, adding the selenium-containing nutrient solution into a selenium-enriched yeast fermentation reaction, so as to realize the recycling of the selenium source.

Abstract: Disclosed are an optical fiber time domain reflectometer (OTDR), a test system, test method, and a storage medium. The OTDR comprises: an input end for receiving an input service optical signal; a first filter connected with the input end and for filtering an interference signal with a wavelength equal to a test wavelength of the OTDR in the service optical signal; a wavelength division multiplexing WDM device having a reflection end, a transmission end and an output end; and an OTDR basic unit connected with the transmission end and used for emitting an OTDR signal equal to a test wavelength and receiving a return signal of the OTDR signal, wherein the output end of the WDM device is for outputting a filtered service optical signal received from the reflection end, outputting the OTDR signal received from the transmission end, and receiving the return signal returned from the optical fiber.

Abstract: A system includes a line cache, a memory device, and a processing device operatively coupled to the line cache and the memory device, The processing device includes a buffer manager and a high-speed mode driver, the processing device to perform operations including: detecting that a received event is located in an events list, wherein events stored in the events list are associated with a set of functions that are known to cause a clock domain crossing between the buffer manager and a host system; enabling access to the line cache; and running, using the high-speed mode driver, in a high-speed mode to execute the set of functions out of the line cache on behalf of the host system.

Abstract: The present invention belongs to the technical field of beverages, and relates to a probiotic fermented fruit and vegetable puree composition containing active bacteria and its preparation method. The composition containing active bacteria is obtained by fermenting fruit and vegetable puree with Lactobacillus casei NCU215. The probiotic fermented fruit and vegetable puree has the following characteristics: the probiotic fermented fruit and vegetable puree may generate a natural mellow sour, effectively remove an astringency in fruit and a wild Artemisia flavor in vegetable, and neutralize an unpleasant sour in the fruit; with probiotic fermentation, the present invention may improve a content of amino acid in the fruit and vegetable by 20% or more, generate multiple aromatic substances, improve a flavor substance by 30% or more, and effectively improve a taste and a mouthfeel of the product; the present invention prolongs a shelf life of the product and prevents rot.

Abstract: The invention discloses a preferable short arc initial orbit determining method based on Gauss solution cluster, and belongs to the astrodynamics field, including: grouping the observation data, using Gauss method to obtain the target state vector at the corresponding time point for each group of data, forming a solution set of preliminary estimation; dividing the solution set of preliminary estimation into a position component vector solution set and a velocity component vector solution set for clustering to obtain a position component vector solution cluster and a velocity component vector solution cluster; based on the position component vector solution cluster and the velocity component vector solution cluster, generating a two-dimensional trajectory solution set; evaluating each of the two-dimensional trajectories by using a trajectory optimal method, calculating the number of root of orbits corresponding to the optimal two-dimensional trajectory, thereby completing determination of initial orbit.

Abstract: A residual material withdrawal control method and a bio-printer are provided. The residual material withdrawal control method includes: obtaining a length of a printing material attached to an exterior of a spray head (12) of a printer; and performing multiple withdrawals on the printing material attached to the exterior of the spray head (12) by a material driving mechanism until the length of the printing material attached to the exterior of the spray head (12) is not higher than an allowable value, according to the length of the printing material. The residual material withdrawal control method can effectively eliminate the printing material attached to the spray head (12) of the printer.

Abstract: A music playing method and apparatus based on user interaction, a device and a storage medium, which relate to the technical field of music videos. The method includes: capturing a target video through a video capturing apparatus; determining an audio processing mode corresponding to a target action when it is identified in the target video that a target object presents the target action; and playing music according to the audio processing mode. The target video is captured by the video capturing apparatus, and when the target object in the target video is identified to generate the target action, the corresponding audio processing mode is determined based on the target action, and music is played according to the audio processing mode.