Abstract: Disclosed in the embodiments of the present disclosure are an audio processing method and apparatus, and an electronic device and a storage medium. The method comprises: in response to a trigger operation of entering a video editing page for a target video for the first time, displaying the video editing page; and if original audio in the target video meets a preset condition, performing sound repair processing on the original audio while displaying the video editing page, and displaying, in the video editing page, a target control in a first state, wherein the target control in the first state is used for indicating that the sound repair processing is being performed on the original audio.

Abstract: A shift register unit, a driving method, a drive circuit, and a display apparatus are disclosed. The shift register unit includes: a control circuit, which is configured to adjust signals of a first node and a second node according to an input signal end, a first control signal end, a second control signal end and a first reference signal end; a cascade circuit, which is configured to provide, according to the signal of the first node, a signal of a first cascade clock signal end to a cascade output end; and an output circuit, which is configured to provide, according to the signal of the first node, a signal of a control clock signal end to a drive output end, and provide, according to the signal of the second node, a signal of a second reference signal end to the drive output end.

Abstract: A synchronous write method includes: receiving a synchronous write command of a process; if a process state table indicates that another synchronous write command of the process has not been added to a command queue, adding the synchronous write command to the command queue; if the process state table indicates that the other synchronous write command has been added to the command queue, adding an order preserving command to the command queue, and then adding the synchronous write command to the command queue; and sending commands in the command queue to a storage device according to the order of the commands in the command queue. The order preserving command is used to indicate that a synchronous write commands located before the order preserving command in the command queue is to be executed prior to the synchronous write command by the storage device.

Abstract: Disclosed is a digital association and high precision positioning and tracking system for multimodal transport container, comprising a carrier terminal, a container terminal, and a remote digital monitoring platform; the carrier terminal is activated when the a container is in an associated state, and is used to collect high-precision positioning information and other status information of the container and send it to the remote digital monitoring platform; the container monitoring terminal is enabled when the container is in a non-associated state, and is used to collect container status information and send it to the remote digital monitoring platform; the remote digital monitoring platform is used to record and visualize relevant information; the carrier-container association and binding module sends instructions to the carrier terminal and the container monitoring terminal to complete the container-carrier association and unbinding, ensuring the security and positioning accuracy of the container during th

Abstract: The present invention belongs to the technical field of photocatalytic materials and preparation thereof, and more particularly, relates to a double-layer ZnO hollow sphere photocatalytic material. The double-layer ZnO hollow sphere photocatalytic material is formed by inner and outer layers of ZnO hollow spheres; the hollow spheres on the inner layer have a diameter of 1.0-2.5 ?m; and the hollow spheres on the outer layer have a diameter of 1.5-4.5 ?m. The present invention further relates to a preparation method of the double-layer ZnO hollow sphere photocatalytic material, which comprises the following steps of: dissolving dissolvable zinc salt into a mixture of monohydric alcohol and ethylene glycol to prepare a solution, and then performing a solvothermal reaction on the solution under airtight conditions to prepare the double-layer ZnO hollow sphere photocatalytic material.

Abstract: The present invention relates to method and apparatus for generating, updating classifier, detecting objects, and image processing device. A method for generating a multi-class classifier, comprising the following steps: generating at least one one-class background classifier by using a one-class object classifier and background image regions obtained from a sequence of images; and assembling the one-class object classifier and the at least one one-class background classifier into a multi-class classifier.

Abstract: The present invention belongs to the technical field of photocatalytic materials and preparation thereof, and more particularly, relates to a double-layer ZnO hollow sphere photocatalytic material. The double-layer ZnO hollow sphere photocatalytic material is formed by inner and outer layers of ZnO hollow spheres; the hollow spheres on the inner layer have a diameter of 1.0-2.5 ?m; and the hollow spheres on the outer layer have a diameter of 1.5-4.5 ?m. The present invention further relates to a preparation method of the double-layer ZnO hollow sphere photocatalytic material, which comprises the following steps of: dissolving dissolvable zinc salt into a mixture of monohydric alcohol and ethylene glycol to prepare a solution, and then performing a solvothermal reaction on the solution under airtight conditions to prepare the double-layer ZnO hollow sphere photocatalytic material.

Abstract: A method of detecting an encoding attack, an Intrusion Prevention System (IPS) device, and a storage medium are provided. The method includes: determining whether an un-decoded character exists in a structure corresponding to a session to which a received packet belongs, wherein the structure is configured to store the un-decoded character, an encoding manner and a multi-pattern matching progress corresponding to the session; combining the un-decoded character and a payload of the received packet to obtain a combined character sequence when the un-decoded character exists in the structure; decoding the combined character sequence according to the encoding manner to obtain a decoded character sequence; performing a multi-pattern matching on the decoded character sequence based on a pre-configured attack feature, the multi-pattern matching progress and a preset multi-pattern matching algorithm; and determining whether there is an attack according to a result of the multi-pattern matching.

Abstract: The present invention relates to method and apparatus for generating, updating classifier, detecting objects, and image processing device. A method for generating a multi-class classifier, comprising the following steps: generating at least one one-class background classifier by using a one-class object classifier and background image regions obtained from a sequence of images; and assembling the one-class object classifier and the at least one one-class background classifier into a multi-class classifier.

Abstract: The present invention relates to a parameter adjustment method. The parameter adjustment method used for statistical machine translation comprises: step 1: using a monolingual corpus to construct a language model required for translation; step 2: using a bilingual parallel corpus to construct a translation model; and step 3: using a target function to adjust a parameter. The method can solve problems in prior art that the parameter is easily over-fit or falls into a local optimum during a parameter adjustment process, and the method is easy to implement and can combine a larger number of features. In addition, the target function is convex; therefore, global optimum can be achieved in a training process.

Abstract: This invention relates to a method and an apparatus for generating an image description vector, an image detection method and apparatus. The method for generating an image description vector comprising: an encoding step of encoding each of a plurality of pixel regions of an image into M pieces of N-bit binary codes, wherein each bit of an N-bit binary code represents a neighboring pixel region which is in neighborhood of a corresponding pixel region; and a generating step of generating an image description vector of the image based on matching at least one of the M pieces of N-bit binary code of each pixel region of the plurality of pixel regions with a particular code pattern, where M is an integer of 3 or larger, and N is an integer of 3 or larger.

Abstract: The present invention relates to a parameter adjustment method. The parameter adjustment method used for statistical machine translation comprises: step 1: using a monolingual corpus to construct a language model required for translation; step 2: using a bilingual parallel corpus to construct a translation model; and step 3: using a target function to adjust a parameter. The method can solve problems in prior art that the parameter is easily over-fit or falls into a local optimum during a parameter adjustment process, and the method is easy to implement and can combine a larger number of features. In addition, the target function is convex; therefore, global optimum can be achieved in a training process.

Abstract: The present invention provides a hydrothermal oxidation method for producing alkali metal dichromate from carbon ferrochrome, and the method comprises the following steps: formulating an initial reaction liquid by mixing carbon ferrochrome, an alkaline substance and water, in which the actual addition amount of the alkali is controlled smaller than the theoretically required amount; adding the initial reaction liquid into a reaction kettle, charging an oxidizing gas into the reaction kettle, and allowing the reaction to proceed for 0.5 to 3 h at a temperature of 150° C. to 370° C. and a pressure of 2 Mpa to 24 MPa; carrying out solid-liquid separation, cooling the resultant filtrate to a temperature of ?12° C. to ?20° C.

Abstract: A maximum hypersphere is created in the feature space according to support vectors, wherein the support vectors are one or more feature vectors in a feature space. A center of the created maximum hypersphere is calculated according to the support vector(s). A decision hyper sphere is created with the same center as the calculated center of the created maximum hypersphere. Feature vector(s) are classified within the decision hypersphere, as positive feature vector(s). False positive rate is kept to a predetermined level to provide effective object detection.

Abstract: The present invention provides a hydrothermal oxidation method for producing alkali metal dichromate from carbon ferrochrome, and the method comprises the following steps: formulating an initial reaction liquid by mixing carbon ferrochrome, an alkaline substance and water, in which the actual addition amount of the alkali is controlled smaller than the theoretically required amount; adding the initial reaction liquid into a reaction kettle, charging an oxidizing gas into the reaction kettle, and allowing the reaction to proceed for 0.5 to 3 h at a temperature of 150° C. to 370° C. and a pressure of 2 Mpa to 24 MPa; carrying out solid-liquid separation, cooling the resultant filtrate to a temperature of ?12° C. to ?20° C.