Abstract: A method for video editing comprises: presenting a template publishing interface based on a target video draft; the template publishing interface comprises an edit track area, the edit track area comprises a plurality of edit tracks, and material track segments formed based on at least part of a material of the target video draft are presented on the plurality of edit tracks; the target video draft comprises a material and edit information, the edit information indicates an edit operation on the material; determining a replaceable material in the target video draft in response to a setting operation on a first target track segment in the material track segments; generating a target video template based on the target video draft and the replaceable material; the target video template is used to achieve a video editing effect of replacing a replaceable material with a filled material based on the target video draft.

Abstract: A method for video editing comprises: presenting a template publishing interface based on a target video draft; the template publishing interface comprises an edit track area, the edit track area comprises a plurality of edit tracks, and material track segments formed based on at least part of a material of the target video draft are presented on the plurality of edit tracks; the target video draft comprises a material and edit information, the edit information indicates an edit operation on the material; determining a replaceable material in the target video draft in response to a setting operation on a first target track segment in the material track segments; generating a target video template based on the target video draft and the replaceable material; the target video template is used to achieve a video editing effect of replacing a replaceable material with a filled material based on the target video draft.

Abstract: The disclosure provides a method, an apparatus, a device and a storage medium for video generation. The method comprises: obtaining first text information used to describe a video effect requirement; obtaining at least one multimedia material; and generating a target video based on the first text information and the at least one multimedia material. The at least one multimedia material is presented in the target video. A video effect of the target video meets the video effect requirement described in the first text information. The target video is used to present a combination of at least one video segment. The at least one video segment is formed respectively based on respective video-image materials in the at least one multimedia material. The respective video-image materials comprise a video material and/or an image material.

Abstract: The present application relates to a method, an apparatus, an electronic device, and a readable storage medium for video editing. The method comprises: obtaining a video editing template, importing corresponding target video material into one or more specified video segments indicated by the video editing template; in response to a triggering operation for forming a composite segment, combining the target video material imported on the one or more specified video segments with a specified editing operation indicated by the video editing template to form a target composite segment, and adding the target composite segment on a first video editing track. By combining the composite segment function with the video editing template, the user can edit the composite segment as a whole, improving the processing efficiency of the user using the video editing template for video editing.

Abstract: The present application relates to a method, an apparatus, an electronic device, and a readable storage medium for video editing. The method comprises: obtaining a video editing template, importing corresponding target video material into one or more specified video segments indicated by the video editing template; in response to a triggering operation for forming a composite segment, combining the target video material imported on the one or more specified video segments with a specified editing operation indicated by the video editing template to form a target composite segment, and adding the target composite segment on a first video editing track. By combining the composite segment function with the video editing template, the user can edit the composite segment as a whole, improving the processing efficiency of the user using the video editing template for video editing.

Abstract: Embodiments of the present invention disclose a terminal device, including: an obtaining unit, configured to: when a user terminal (UE) needs to perform device-to-device (D2D) communication, obtain a quantity of available D2D resources in a D2D resource pool including at least one D2D resource; a determining unit, configured to determine whether the quantity of available D2D resources is less than or equal to a preset threshold; and a responding unit, configured to, when the quantity of available D2D resources is less than or equal to the preset threshold, respond to a report instruction broadcast by a base station and return response information, so that the base station manages the D2D resource pool according to the response information.

Abstract: A communication method, a base station, and a terminal, which are applied to the communications field, to resolve a problem in the prior art that the terminal cannot obtain a frequency-time pattern of a discovery time period when an interval between two consecutive discovery time periods is long. The method includes: generating, by a base station, an identifier of a current discovery frame of a current discovery time period; and broadcasting, by the base station, the identifier of the current discovery frame of the current discovery time period, so that a terminal that receives the broadcast sent by the base station acquires, according to the identifier, in the broadcast, of the current discovery frame of the current discovery time period, a frequency-time pattern of the current discovery time period or a frequency-time pattern of a discovery time period that is after the current discovery time period.

Abstract: Embodiments of the present invention disclose a discovery resource time-frequency hopping method and a terminal, where the terminal includes: a resource determining unit, configured to determine a real discovery resource in a real discovery resource pool; a frequency-domain expansion unit, configured to: perform frequency-domain virtual expansion on the real discovery resource pool according to a frequency division multiplexing factor value, and determine a virtual discovery resource in a virtual discovery resource pool corresponding to the real discovery resource pool; a time-frequency hopping unit, configured to perform, according to a time-frequency hopping solution, virtual time-frequency hopping on a correspondence between the terminal and the determined virtual discovery resource in the virtual discovery resource pool; and a signal sending unit, configured to send a discovery signal by using a real discovery resource that corresponds to a virtual discovery resource which is occupied after the virtual ti

Abstract: Embodiments of the present invention disclose a terminal device, including: an obtaining unit, configured to: when a user terminal (UE) needs to perform device-to-device (D2D) communication, obtain a quantity of available D2D resources in a D2D resource pool including at least one D2D resource; a determining unit, configured to determine whether the quantity of available D2D resources is less than or equal to a preset threshold; and a responding unit, configured to, when the quantity of available D2D resources is less than or equal to the preset threshold, respond to a report instruction broadcast by a base station and return response information, so that the base station manages the D2D resource pool according to the response information.

Abstract: Embodiments of the present invention disclose a terminal device, including: an obtaining unit, configured to: when a user terminal UE needs to perform D2D communication, obtain a quantity of available D2D resources in a D2D resource pool including at least one D2D resource; a determining unit, configured to determine whether the quantity of available D2D resources is less than or equal to a preset threshold; and a responding unit, configured to, when the quantity of available D2D resources is less than or equal to the preset threshold, respond to a report instruction broadcast by a base station and return response information, so that the base station manages the D2D resource pool according to the response information.

Abstract: Embodiments of the present disclosure disclose a resource selection method and an apparatus, which are applied to the communications field, and can resolve a collision problem occurring, and improve transmit quality of a discovery signal of a terminal. The method comprises: obtaining, by the terminal, a transmit probability of a discovery signal, where the transmit probability is a probability that the terminal starts to transmit the discovery signal on a predetermined discovery frame by using a discovery resource pool; generating, by the terminal, an indication signal corresponding to the transmit probability; and if the indication signal is a transmit indication signal, starting to transmit, by the terminal, the discovery signal on the predetermined discovery frame by using the discovery resource pool. The present disclosure is applicable to frequency-time resource selection by a terminal for transmitting a discovery signal.

Abstract: The present invention provides a method for sending a discovery signal and user equipment. The method comprises determining a frequency-time position with a frequency-time hopping invariant according to the frequency-time hopping invariant, determining an initial frequency-time position of a discovery signal in an initial discovery frame according to the frequency-time position with the frequency-time hopping invariant and an idle frequency-time position in the initial discovery frame, and sending the discovery signal at the initial frequency-time position. The method comprises determining a second frequency-time position of the discovery signal in a next discovery frame following the current discovery frame, and sending the discovery signal at the second frequency-time position.

Abstract: Embodiments of the present invention relate to the field of communications, and provide a method and a device for transmitting data by using a multidimensional constellation diagram, which can further improve bit error rate-signal to noise ratio performance by means of a multidimensional constellation diagram. The method is: First, bit data is mapped, by using an n-dimensional constellation diagram, into a column vector including n real numbers, then the n real numbers included in the column vector are modulated by using a resource element and sent, and after demodulating the n real numbers from a received signal, a receiving device finds, in the n-dimensional constellation diagram, a constellation point with coordinate values having a closest Euclidean distance to a point with coordinates being the n real numbers, and finally maps the coordinate values of the constellation point back into the bit data.

Abstract: Embodiments of the present invention disclose a terminal device, including: an obtaining unit, configured to: when a user terminal UE needs to perform D2D communication, obtain a quantity of available D2D resources in a D2D resource pool including at least one D2D resource; a determining unit, configured to determine whether the quantity of available D2D resources is less than or equal to a preset threshold; and a responding unit, configured to, when the quantity of available D2D resources is less than or equal to the preset threshold, respond to a report instruction broadcast by a base station and return response information, so that the base station manages the D2D resource pool according to the response information.

Abstract: Embodiments of the present disclosure disclose a resource selection method and an apparatus, which are applied to the communications field, and can resolve a collision problem occurring, and improve transmit quality of a discovery signal of a terminal. The method comprises: obtaining, by the terminal, a transmit probability of a discovery signal, where the transmit probability is a probability that the terminal starts to transmit the discovery signal on a predetermined discovery frame by using a discovery resource pool; generating, by the terminal, an indication signal corresponding to the transmit probability; and if the indication signal is a transmit indication signal, starting to transmit, by the terminal, the discovery signal on the predetermined discovery frame by using the discovery resource pool. The present disclosure is applicable to frequency-time resource selection by a terminal for transmitting a discovery signal.

Abstract: Embodiments of the present invention disclose a discovery resource time-frequency hopping method and a terminal, where the terminal includes: a resource determining unit, configured to determine a real discovery resource in a real discovery resource pool; a frequency-domain expansion unit, configured to: perform frequency-domain virtual expansion on the real discovery resource pool according to a frequency division multiplexing factor value, and determine a virtual discovery resource in a virtual discovery resource pool corresponding to the real discovery resource pool; a time-frequency hopping unit, configured to perform, according to a time-frequency hopping solution, virtual time-frequency hopping on a correspondence between the terminal and the determined virtual discovery resource in the virtual discovery resource pool; and a signal sending unit, configured to send a discovery signal by using a real discovery resource that corresponds to a virtual discovery resource which is occupied after the virtual ti

Abstract: The present invention provides a method for sending a discovery signal and user equipment. The method comprises determining a frequency-time position with a frequency-time hopping invariant according to the frequency-time hopping invariant, determining an initial frequency-time position of a discovery signal in an initial discovery frame according to the frequency-time position with the frequency-time hopping invariant and an idle frequency-time position in the initial discovery frame, and sending the discovery signal at the initial frequency-time position. The method comprises determining a second frequency-time position of the discovery signal in a next discovery frame following the current discovery frame, and sending the discovery signal at the second frequency-time position.

Abstract: A communication method, a base station, and a terminal, which are applied to the communications field, to resolve a problem in the prior art that the terminal cannot obtain a frequency-time pattern of a discovery time period when an interval between two consecutive discovery time periods is long. The method includes: generating, by a base station, an identifier of a current discovery frame of a current discovery time period; and broadcasting, by the base station, the identifier of the current discovery frame of the current discovery time period, so that a terminal that receives the broadcast sent by the base station acquires, according to the identifier, in the broadcast, of the current discovery frame of the current discovery time period, a frequency-time pattern of the current discovery time period or a frequency-time pattern of a discovery time period that is after the current discovery time period.

Abstract: Embodiments of the present invention relate to the field of communications, and provide a method and a device for transmitting data by using a multidimensional constellation diagram, which can further improve bit error rate-signal to noise ratio performance by means of a multidimensional constellation diagram. The method is: First, bit data is mapped, by using an n-dimensional constellation diagram, into a column vector including n real numbers, then the n real numbers included in the column vector are modulated by using a resource element and sent, and after demodulating the n real numbers from a received signal, a receiving device finds, in the n-dimensional constellation diagram, a constellation point with coordinate values having a closest Euclidean distance to a point with coordinates being the n real numbers, and finally maps the coordinate values of the constellation point back into the bit data.

Abstract: Fullerenes, when irradiated with electromagnetic radiation, generate acoustic waves. A photoacoustic tomography method using a material comprising fullerenes is disclosed that includes irradiating the material with a radiation beam such as a laser. The resultant photoacoustic effect produced by the material is detected by at least one detector. A photoacoustic tomography system using a material comprising fullerenes is also described.