Abstract: A communication method and a communication apparatus are provided. The method includes: a terminal device obtains a channel measurement result, wherein the channel measurement result is obtained by the terminal device based on at least two reflections by an antenna element set of an intelligent reflecting surface for a first signal sent by a network device, the first signal is a signal for channel measurement, and the antenna element set includes at least two antenna elements; and the terminal device determines a path difference between the antenna elements of the intelligent reflecting surface based on the channel measurement result.

Abstract: Systems and techniques are described for image processing. An imaging system receives an identity image and an attribute image. The identity image depicts a first person having an identity. The attribute image depicts a second person having an attribute, such as a facial feature, an accessory worn by the second person, and/or an expression. The imaging system uses trained machine learning model(s) to generate a combined image based on the identity image and the attribute image. The combined image depicts a virtual person having both the identity of the first person and the attribute of the second person. The imaging system outputs the combined image, for instance by displaying the combined image or sending the combined image to a receiving device. In some examples, the imaging system updates the trained machine learning model(s) based on the combined image.

Abstract: Methods, systems, and apparatuses are provided to automatically determine whether an image is spoofed. For example, a computing device may obtain an image, and may execute a trained convolutional neural network to ingest elements of the image. Further, and based on the ingested elements of the image, the executed trained convolutional neural network generates an output map that includes a plurality of intensity values. In some examples, the trained convolutional neural network includes a plurality of down sampling layers, a plurality of up sampling layers, and a plurality of joint spatial and channel attention layers. Further, the computing device may determine whether the image is spoofed based on the plurality of intensity values. The computing device may also generate output data based on the determination of whether the image is spoofed, and may store the output data within a data repository.

Abstract: Embodiments are generally directed to methods and apparatuses for dynamically changing data priority in a cache. An embodiment of an apparatus comprising: a priority controller to: receive a memory access request to request data; and set a priority flag for the memory access request based on an accumulated access amount of data stored in a memory block to be accessed by the memory access request to dynamically change a priority level of the requested data.

Abstract: Systems and techniques are described herein for generating an image. For instance, a method for generating an image is provided. The method may include obtaining a source image of a face having source attributes and exhibiting a source pose and source gaze; obtaining at least one of a target pose and a target gaze; and generating a modified image of the face having the source attributes and exhibiting at least one of the target pose and the target gaze.

Abstract: An embedded-oriented configurable many-core processor is disclosed, which includes: an on-chip data-bus system, an on-chip event-bus system, a data connection line, a routing unit and a core. The on-chip data-bus system includes multiple transverse data-bus and vertical data-bus. The multiple transverse data-bus and vertical data-bus are staggered transversely and vertically to form N intersections, each intersection of the N intersections is correspondingly provided with a routing unit, and adjacent routing units are connected by transverse data-bus or vertical data-bus. The on-chip event-bus system includes: an event control unit, an event bus and an event signal line. Each event control unit is connected with the event bus, and is connected with the corresponding core and routing unit through the event signal line.

Abstract: Embodiments are generally directed to methods and apparatuses for dynamically changing data priority in a cache. An embodiment of an apparatus comprising: a priority controller to: receive a memory access request to request data; and set a priority flag for the memory access request based on an accumulated access amount of data stored in a memory block to be accessed by the memory access request to dynamically change a priority level of the requested data.

Abstract: System and techniques are described herein for processing images to detect expressions of a subject. In one illustrative example, a method of recognizing facial expressions in one or more images includes obtaining, by a computing device, a first image of a person; obtaining expression information based on the first image and an anchor image associated with the person; and determining an expression classification associated with the first image based on the expression information.

Abstract: The disclosure provides a self-biased magneto-optical non-reciprocal metasurface device. The device includes substrate layer and a sub-wavelength structure layer. The substrate layer is a material layer with a refractive index of 1 to 5 in a microwave frequency band. The sub-wavelength structure layer includes a plurality of square columnar elements arranged in a matrix period with equal period in row and column directions. The square columnar elements include magneto-optical material. The adjustment of phase and amplitude of a circularly polarized electromagnetic wave is achieved by changing the length, width and height of the square columnar elements, and thus the device attains a desired isolation and insertion loss at a center frequency f0. The parameters of the magneto-optical material are: coercivity Hc?1000 A/m; remanence Br?1 kGs; a voigt parameter of a permittivity tensor or permeability tensor in a working frequency band?0.01.

Abstract: Disclosed is a magnetic encoder, a method and system for detecting an absolute electrical angle, and a readable storage medium. The magnetic encoder includes a magnetoresistance sensor, a magnetic field auxiliary coil and a coil current control circuit electrically connected with the magnetic field auxiliary coil, the magnetoresistance sensor being a planar component, the coil current control circuit being configured to supply current to the magnetic field auxiliary coil, to allow the magnetic field auxiliary coil to generate an auxiliary magnetic field, the auxiliary magnetic field influencing the magnetic field component in the first direction and the magnetic field component in the second direction, forming a resultant magnetic field, and the magnetoresistance sensor being configured to detect the resultant magnetic field and the component of the 2-dimension magnetic field generated by the magnet.

Abstract: A high-sensitivity high-temperature sensor based on dislocation welding of suspended optical fiber is provided and includes a broadband light source, an optical fiber circulator, a sensing head and a spectrometer. The optical fiber circulator is connected to the broadband light source, the sensing head and the spectrometer individually, the sensing head includes a first single-mode optical fiber, a multi-mode optical fiber, a suspended core optical fiber and a second single-mode optical fiber which are connected in sequence. The high-sensitivity high-temperature sensor has the following advantages: simple to manufacture, no need for expensive special equipment; small sizes, compact structure, easy to use; full optical fiber structure, which can measure high temperatures up to 1000 degrees; no need for adhesive, good sensor stability; double cavities in parallel can generate vernier effects with high sensitivity.

Abstract: A high-sensitivity high-temperature sensor based on dislocation welding of suspended optical fiber is provided and includes a broadband light source, an optical fiber circulator, a sensing head and a spectrometer. The optical fiber circulator is connected to the broadband light source, the sensing head and the spectrometer individually, the sensing head includes a first single-mode optical fiber, a multi-mode optical fiber, a suspended core optical fiber and a second single-mode optical fiber which are connected in sequence. The high-sensitivity high-temperature sensor has the following advantages: simple to manufacture, no need for expensive special equipment; small sizes, compact structure, easy to use; full optical fiber structure, which can measure high temperatures up to 1000 degrees; no need for adhesive, good sensor stability; double cavities in parallel can generate vernier effects with high sensitivity.

Abstract: The disclosure provides a self-biased magneto-optical non-reciprocal metasurface device. The device includes substrate layer and a sub-wavelength structure layer. The substrate layer is a material layer with a refractive index of 1 to 5 in a microwave frequency band. The sub-wavelength structure layer includes a plurality of square columnar elements arranged in a matrix period with equal period in row and column directions. The square columnar elements include magneto-optical material. The adjustment of phase and amplitude of a circularly polarized electromagnetic wave is achieved by changing the length, width and height of the square columnar elements, and thus the device attains a desired isolation and insertion loss at a center frequency f0. The parameters of the magneto-optical material are: coercivity Hc?1000 A/m; remanence Br?1 kGs; a voigt parameter of a permittivity tensor or permeability tensor in a working frequency band?0.01.

Abstract: A lidar system, including: a laser, an optical detector, a laser antenna, and a silicon-based integrated magneto-optical circulator. The silicon-based integrated magneto-optical circulator includes a silicon-based integrated Mach-Zehnder interference structure or a silicon-based integrated micro-ring structure, and silicon-based integrated magneto-optical waveguides. The silicon-based integrated magneto-optical circulator further includes an input port, a receiving port, and an emission port. The laser is aligned and coupled to the input port of the silicon-based integrated magneto-optical circulator via an optical fiber, a grating coupler, or an edge coupler. The optical detector is aligned and coupled to the receiving port of the silicon-based integrated magneto-optical circulator via the optical fiber, the grating coupler, or the edge coupler.

Abstract: An interface information display method and apparatus are provided. The method includes: in a list display state, if a click on a list item is detected, performing operations including: acquiring object information and a position of the clicked list item; generating a screenshot image of a current page; displaying the screenshot image in full screen, displaying a first mask layer on the screenshot image, and displaying a second mask layer on the first mask layer; shrinking the screenshot image to a predetermined ratio, acquiring an object thumbnail and detailed information from the object information, displaying, in a predetermined size, the object thumbnail on the second mask layer, and displaying the detailed information in a blank area on the second mask layer; and returning to the list display state when an area of the first mask layer non-overlapping with the second mask layer is clicked.

Abstract: The present disclosure provides a method and a system for detecting an absolute electrical angle, and a computer readable storage medium. The method includes: obtaining an angle sine signal corresponding to a magnetic component in a first direction and an angle cosine signal corresponding to a magnetic component in a second direction; calculating a scaling compensation sine signal and a scaling compensation cosine signal according to the angle sine signal, the angle cosine signal, and a scaling compensation formula; determining an angle interval corresponding to the scaling compensation sine signal and the scaling compensation cosine signal, and calculating a relative electrical angle according to a preset trigonometric function corresponding to the angle interval; obtaining a Hall signal detected by the Hall sensor, and determining a polarity position according to the Hall signal; and calculating the absolute electrical angle according to the relative electrical angle and the polarity position.

Abstract: Disclosed is a magnetic encoder, a method and system for detecting an absolute electrical angle, and a readable storage medium. The magnetic encoder includes a magnetoresistance sensor, a magnetic field auxiliary coil and a coil current control circuit electrically connected with the magnetic field auxiliary coil, the magnetoresistance sensor being a planar component, the coil current control circuit being configured to supply current to the magnetic field auxiliary coil, to allow the magnetic field auxiliary coil to generate an auxiliary magnetic field, the auxiliary magnetic field influencing the magnetic field component in the first direction and the magnetic field component in the second direction, forming a resultant magnetic field, and the magnetoresistance sensor being configured to detect the resultant magnetic field and the component of the 2-dimension magnetic field generated by the magnet.

Abstract: The present disclosure provides a method and a system for detecting an absolute electrical angle, and a computer readable storage medium. The method includes: obtaining an angle sine signal corresponding to a magnetic component in a first direction and an angle cosine signal corresponding to a magnetic component in a second direction; calculating a scaling compensation sine signal and a scaling compensation cosine signal according to the angle sine signal, the angle cosine signal, and a scaling compensation formula; determining an angle interval corresponding to the scaling compensation sine signal and the scaling compensation cosine signal, and calculating a relative electrical angle according to a preset trigonometric function corresponding to the angle interval; obtaining a Hall signal detected by the Hall sensor, and determining a polarity position according to the Hall signal; and calculating the absolute electrical angle according to the relative electrical angle and the polarity position.

Abstract: The present disclosure includes apparatuses and methods for sensing a resistive memory cell. A number of embodiments include performing a sensing operation on a memory cell to determine a current value associated with the memory cell, applying a programming signal to the memory cell, and determining a data state of the memory cell based on the current value associated with the memory cell before applying the programming signal and a current value associated with the memory cell after applying the programming signal.

Abstract: A structure for optically aligning an optical fiber to a photonic device and method of fabrication of same. The structure optically aligns an optical fiber to the photonic device using a lens between the two which is moveable by actuator heads. The lens is moveable by respective motive sources associated with the actuator heads.