Abstract: An inner module assembly formed by a metal tape is installed primarily inside a wireless earphone. The inner module assembly includes a circuit loop having a first circuit board and a second circuit board, with the circuit loop being formed with plural junctions; a first metal tape which fixes the second circuit board and includes a first extension section extending to the outside of the second circuit board and having a first cut-off face; and an insulation seat which is formed on the first circuit board to enclose the circuit loop and the first metal tape, with part of the junctions and the first cut-off face being exposed on a surface of the insulation seat. Therefore, the inner module assembly is formed into a modularized design to simplify the assembly procedure of the wireless earphone.

Abstract: Example embodiments of the present disclosure provide methods and devices for optimizing performance of hardware accelerators. The accelerator device may detect status information of a current acceleration task being executed. The detected status information is provided to a host associated with the accelerator device. The host makes preparation for a subsequent acceleration task based on the status information before termination of the current running acceleration task. The accelerator device may execute the subsequent acceleration task based on the preparation. In this way, the performance of hardware accelerator is optimized.

Abstract: Structures for an edge coupler and methods of fabricating a structure for an edge coupler. A waveguide core and a coupler are formed over a layer stack that includes a first dielectric layer and a second dielectric layer over the first dielectric layer. The coupler includes a first plurality of grating structures and a transition structure including a second plurality of grating structures that are positioned between the first plurality of grating structures and the waveguide core. The first plurality of grating structures include respective widths that vary as a function of position relative to the transition structure.

Abstract: A camera module includes a lens, a photosensitive chip and an electrical holder. The electrical holder has an integrated circuit that the electrical holder serves as an integration of a base and a PCB in a conventional camera module, wherein the electrical holder not only forms an assembling unit for connecting a motor and an optical lens but also forms an electrical connection unit for electrically connecting to the motor, a photosensitive chip and a flexible circuit board with each other, so as to minimize an overall size of the camera module.

Abstract: A method and an apparatus for detecting an abnormality of a caller are provided. The method includes at the beginning of a call, acquiring, by a terminal device, real voice/video data of a call object who needs abnormality detection and a corresponding pre-trained multi-stage neural network detection model, during the call, collecting, by the terminal device, call data according to a preset data collection policy, for each call object, inputting the currently collected call data and the real voice/video data of the call object into the model of the call object, and determining whether the call object is abnormal according to a detection result output by the model, in which the call data includes image data and/or voice data, and an identification manner adopted by the model includes face identification, voiceprint identification, limb movement identification, and/or lip language identification.

Abstract: An inner module used in a wireless earphone is installed primarily in a wireless earphone, including a circuit loop and an upper cover. The circuit loop includes at least a first circuit board, at least a second circuit board which is extended from the first circuit board, and a lower cover which encloses the first circuit board. The upper cover is installed on the lower cover, including a first side wall which forms an angle with respect to the lower cover. In addition, the first side wall is provided with a first positioning slot to accommodate the second circuit board. Therefore, the inner module is formed into a modularized design to simplify the assembly procedure of the wireless earphone, which reduces the labor cost in assembling the wireless earphone significantly.

Abstract: An inner module with a retainer is installed primarily inside a wireless earphone, including a circuit loop, an insulation seat to fix the circuit loop, and at least a retainer. The circuit loop includes at least a first circuit board, and at least a second circuit board which is extended from the first circuit board. The insulation seat includes at least a base plate to enclose the first circuit board, and a first side wall which is extended from the base plate. The first side wall is provided with a first positioning slot to accommodate the second circuit board. The retainer is fixed on the first side wall to fix the second circuit board in the first positioning slot. Therefore, the inner module is formed into a modularized design to simplify the assembly procedure of the wireless earphone.

Abstract: A combinatorial inner module is installed primarily inside a wireless earphone, including a circuit loop, a lower cover and an upper cover. The circuit loop is provided with a first circuit board and a second circuit board which is extended from the first circuit board. The upper cover is disposed above the lower cover to fix the first circuit board between the upper cover and the lower cover. Moreover, the upper cover includes a first side wall which is formed with an angle with respect to the lower cover and is used to install the second circuit board, forming an included angle between the second circuit board and the first circuit board. Therefore, the inner module is formed into a modularized design to simplify the assembly procedure of the wireless earphone, which reduces the labor cost in assembling the wireless earphone significantly.

Abstract: An inner module assembly formed by a metal tape is installed primarily inside a wireless earphone. The inner module assembly includes a circuit loop having a first circuit board and a second circuit board, with the circuit loop being formed with plural junctions; a first metal tape which fixes the second circuit board and includes a first extension section extending to the outside of the second circuit board and having a first cut-off face; and an insulation seat which is formed on the first circuit board to enclose the circuit loop and the first metal tape, with part of the junctions and the first cut-off face being exposed on a surface of the insulation seat. Therefore, the inner module assembly is formed into a modularized design to simplify the assembly procedure of the wireless earphone.

Abstract: The present invention discloses cationic nucleic acid scavengers to effectively inhibit the activation of multiple nucleic acid sensing pattern recognition receptors (PRRs) to treat an inflammatory or immune response which is induced by a nucleic acid through the activation of the PRRs. The cationic nucleic acid scavengers include water soluble cationic polymers, cationic nanoparticles, and cationic micro-particles, and bind the nucleic acid in a manner that is independent of the sequences, structure or chemistry of the nucleic acid.

Abstract: A perspective distortion characteristic based facial image authentication method and storage and processing device thereof are proposed. The method includes: S1: recognizing key points and a contour in a 2D facial image; S2: acquiring key points in a corresponding 3D model; S3: calculating camera parameters based on a correspondence between the key points in the 2D image and the key points in the 3D model; S4: optimizing the camera parameters based on the contour in the 2D image; S5: sampling the key points in the two-dimensional facial image by multiple times to obtain a camera intrinsic parameter estimation point cloud; and S6: calculating the inconsistency between the camera intrinsic parameter estimation point cloud and the camera nominal intrinsic parameters, and determining the authenticity of the facial image. The present disclosure can effectively authenticate the 2D image and has a relatively higher accuracy.

Abstract: An antenna structure applied in a wireless communication device includes a metal frame. The wireless communication device includes at least one electronic component. The metal frame includes a substrate. The substrate includes an antenna. The antenna includes a feed portion and a gap. The feed portion spans the gap. The metal frame is spaced from the electronic component. A clearance is formed between the metal frame and the electronic component.

Abstract: A hybrid deep-learning action prediction architecture system is described that predicts actions. The architecture includes a main path and an auxiliary path. The main path may contain multiple layers of convolutional neural networks for further aggregation to coarser time spans. The resultant data produced by the convolutional neural networks is passed to multiple layers of LSTMs. The outputs from LSTMs are then combined with the profile in the auxiliary path to predict an action label.

Abstract: An antenna structure includes a metal frame, at least one feed source, and a feed portion. The metal frame includes at least one radiating portion and at least one slot. The at least one slot is disposed in the at least one radiating portion or adjacent to the at least one radiating portion. The at least one feed source and the at least one radiating portion form a first antenna. The feed portion and the at least one slot form a second antenna. The at least one feed source supplies an electric current for the first antenna, thereby exciting a first working mode and generating a radiation signal in a first frequency band. The feed portion spans the at least one slot to supply the electric current for the second antenna, thereby exciting a second working mode and generating a radiation signal in a second frequency band.

Abstract: An image tampering forensics method includes labeling an observation clue of a to-be-detected image, constructing a three-dimensional morphable model of an object of a category to which the target object belongs, estimating a three-dimensional normal vector to the supporting plane according to the observation clue, estimating a three-dimensional attitude of the target object according to the observation clue and the three-dimensional morphable model to obtain a plane normal vector to a plane where a side of target object in contact with the supporting plane is located, computing a parallelism between the target object and the supporting plane, and/or among a plurality of target objects, and judging whether the to-be-detected image is a tampered image or not according to the parallelism.

Abstract: An antenna structure includes a metal frame. The metal frame includes a first surface, a second surface, and a third surface. The third surface is located between the first surface and the second surface. The metal frame includes at least one antenna. The at least one antenna includes a first gap, a second gap, and a feed portion. The first gap is disposed between the first surface and the second surface. The second gap is disposed in the third surface. The feed portion is mounted on the first surface and spans the first gap. When the feed portion supplies an electric current, the electric current is coupled to the first gap and the second gap.

Abstract: A method and an apparatus for image recognition based on a retina prosthesis. The method includes: recognizing meaning of an image captured; and converting the meaning of the image into a corresponding meaning prompt signal and transmitting the meaning prompt signal to a corresponding retina prosthesis electrode in connection with a retina. The method can effectively improve the problem that the existing retina prosthesis cannot recognize colors or complex scenes, enhance the recognition function of the retina prosthesis, and improve the quality of life of blind patients.

Abstract: A perspective distortion characteristic based facial image authentication method and storage and processing device thereof are proposed. The method includes: S1: recognizing key points and a contour in a 2D facial image; S2: acquiring key points in a corresponding 3D model; S3: calculating camera parameters based on a correspondence between the key points in the 2D image and the key points in the 3D model; S4: optimizing the camera parameters based on the contour in the 2D image; S5: sampling the key points in the two-dimensional facial image by multiple times to obtain a camera intrinsic parameter estimation point cloud; and S6: calculating the inconsistency between the camera intrinsic parameter estimation point cloud and the camera nominal intrinsic parameters, and determining the authenticity of the facial image. The present disclosure can effectively authenticate the 2D image and has a relatively higher accuracy.