ALIBABA DAMO (HANGZHOU) TECHNOLOGY CO., LTD.

Embodiments of the present application provide a role separation method, an electronic device, and a computer storage medium. The role separation method includes: acquiring sound source information of target voice data and a voiceprint feature of the target voice data; determining, according to the sound source information, at least one candidate position corresponding to a sound source position; calculating a similarity between a voiceprint feature of a role corresponding to the at least one candidate position and the voiceprint feature of the target voice data; and determining a target role corresponding to the target voice data according to the similarity. By means of the embodiments of the present application, the accuracy of the role separation is improved.

Disclosed in the present disclosure are a method for preparing a quantum device, and a superconducting circuit and a quantum chip. The method includes: sequentially obtaining a plurality of superconducting material layers in different regions of a substrate, wherein the plurality of superconducting material layers each include a superconducting material deposited on the substrate and a hard mask covering the corresponding superconducting material, and the superconducting materials in the plurality of superconducting material layers include a superconducting material having kinetics inductance; performing etching to remove the hard masks on the plurality of superconducting material layers, so as to obtain a plurality of target circuit elements integrated on the substrate; and preparing a target quantum device based on the plurality of target circuit elements. The present disclosure solves the technical problem of difficult preparation of a superconducting quantum device.

A semiconductor structure includes a first wafer layer, where a first logic die and a second logic die are arranged along an extension direction of the first wafer layer; and a second wafer layer, formed with a third logic die, where the third logic die is stacked on one side of the first wafer layer. A first inter-die interface is configured between the first logic die and the third logic die, to enable the first logic die and the third logic die to perform data communication through the first inter-die interface. A second inter-die interface is configured between the second logic die and the third logic die, to enable the second logic die and the third logic die to perform data communication through the second inter-die interface. The first inter-die interface and the second inter-die interface are coupled through intra-die wiring of the third logic die.

A bus control unit includes: a compression execution unit, configured to compress sparse data by using a compression algorithm, to obtain compression data and compression attribute information; and a compression control unit, configured to generate, according to an instruction format of a communication bus, a data signal carrying the compression attribute information and the compression data, and send the data signal through the communication bus, where the compression attribute information is used for decompressing the compression data to obtain the sparse data.

A human-machine conversation method and apparatus, a device, and a storage medium. The method comprises: acquiring a user statement of a current round; determining, from one or more candidate tables, one or more target tables that match the user statement; parsing the user statement of the current round to obtain a first query statement; according to the first query statement, querying from the one or more target tables to obtain target data; and generating a system reply of the current round according to the target data.

Disclosed are a method and a circuit for implementing a two-qubit gate. The method includes: applying a coupling control signal to an adjustable coupler, wherein the adjustable coupler is a coupler between a first data qubit and a second data qubit; and activating, by means of adjusting the coupling control signal, longitudinal coupling between the first data qubit and the second data qubit within a predetermined time, so as to implement the two-qubit gate. The present disclosure solves the technical problem in the related art of low precision of the two-qubit gate.

Methods and apparatuses are provided for compressing video data based on keypoint features. An exemplary video compression method includes: receiving a video sequence; encoding one or more pictures of the video sequence; and generating a bitstream; wherein the encoding includes: representing a first picture by a first set of keypoints and a second set of keypoints, the second set comprising less keypoints than the first set; and compressing the video sequence based on the first set and second set of keypoints.

Methods and apparatuses are provided for processing video data. An exemplary method includes: decompressing a compressed frame to generate a key frame representing a face; generating, for the key frame, a first set of parameters associated with a 3-dimensional (3D) face representation of the face; reconstructing, for each of one or more inter frames, a second set of parameters associated with a 3D face representation of the face according to compressed inter-predicted residuals of the second set of parameters; and generating a video comprising the face based on the key frame, the first set of parameters, and the second set of parameters.

The present disclosure provides pre-analysis based methods for adaptively compressing image data consumed by machine vision tasks. An exemplary method includes: receiving a video sequence; encoding one or more input pictures associated with the video sequence; and generating a bitstream, wherein the encoding includes: performing instance segmentation of an input picture, to generate one or more segment masks; combining the one or more segment masks to generate a merged mask; extracting, from the input picture, a region comprising the merged mask; and compressing image data representing the extracted region.

An image data encoding method is provided. The image data encoding method includes receiving an input image and a quantization parameter (QP); performing pre-analysis of the input image based on the QP to obtain input image data for machine version; determining at least one of a temporal redundancy or a spatial redundancy of the input image data; determining, based on the at least one of temporal redundancy or spatial redundancy, whether to perform at least one of temporal down-sampling or spatial down-sampling; performing down-sampling of the input image data according to the determination, wherein the down-sampling includes at least one of temporal down-sampling or spatial down-sampling; and encoding the down-sampled image data based on the QP.