Abstract: Methods and systems for crowd level estimation are provided. The system for crowd level estimation includes an input module and a crowd level estimation module. The input module receives an input image of a crowd and the crowd level estimation module estimates a crowd level of the crowd in the input image in response to a crowd density level.

Abstract: One aspect of the subject matter described herein comprises a database management system. The database management system comprises a communication circuit, an interface, and a processor. The communication circuit receives information from databases via a communication network. The interface allows user operation and interaction via the communication network and the database management system. The processor provides data to and receives data from the interface, including a plurality of alphanumeric records comprising at least one unique identifier, obtains database records from other databases for each unique identifier, identifies a number of alphanumeric records in the plurality having events in their histories, determines a percentage of alphanumeric records in the plurality having negative events in their histories, generates a report including the determined percentages, and conveys the report to the user.

Abstract: The present disclosure discloses a power conversion system and a communication method for transmitting common mode information in the power conversion system. The communication method comprises the following steps: (a) providing at least two power conversion cells; (b) generating, by each of the power conversion cells, an AC harmonic according to a first electrical signal at the first terminal of the power conversion cell, wherein an amplitude of each AC harmonic represents first information of the power conversion cell, and all the AC harmonics are at the same frequency; and (c) injecting the AC harmonic generated by the corresponding power conversion cells into the first terminal of the corresponding power conversion cell and applying a closed-loop suppression to the AC harmonic generated by the corresponding power conversion cell, and controlling the resonance control unit to output a second electrical signal related to the first information.

Abstract: A magnetoresistive random access memory (MRAM) structure is provided in the present invention, including multiple MRAM cells, and an atomic layer deposition dielectric layer between and at outer sides of the MRAM cells, wherein the material of top electrode layer is titanium nitride, and the nitrogen percentage is greater than titanium percentage and further greater than oxygen percentage in the titanium nitride, and the nitrogen percentage gradually increases inward from the top surface of top electrode layer to a depth and then start to gradually decrease to a first level and then remains constant, and the titanium percentage gradually decreases inward from the top surface of top electrode layer to the depth and then start to gradually increase to a second level and then remains constant.

Abstract: A method for controlling a power module includes: configuring N cells in cascade connection, where N is a positive integer equal to or greater than 2, each cell comprising a bidirectional switching unit and a non-controlled rectifier bridge, the bidirectional switching unit being connected to central points of two bridge arms of the non-controlled rectifier bridge; controlling each cell to operate in one of three operating modes of a modulation mode, a bypass mode and a non-controlled rectifying mode, wherein in the N cells, m1 cells operate in the bypass mode, where 0?m1?M1, m2 cells operate in the non-controlled rectifying mode, where 0?m2?M2, m3 cells operate in the modulation mode and can realize power factor correction, where 0<m3; wherein m1+m2+m3=N, M1 is the allowable number of cells for bypass in the system, and M2 is the allowable number of cells for non-controlled rectification in the system.

Abstract: A method for fabricating a semiconductor device includes the steps of forming a gate structure on a substrate, forming an interlayer dielectric (ILD) layer on the gate structure, forming a contact hole in the ILD layer adjacent to the gate structure, performing a plasma doping process to form a doped layer in the ILD layer and a source/drain region adjacent to the gate structure, forming a conductive layer in the contact hole, planarizing the conductive layer to form a contact plug, removing the doped layer to form an air gap adjacent to the contact plug, and then forming a stop layer on the ILD layer and the contact plug.

Abstract: A method for fabricating a semiconductor device includes the steps of forming a gate structure on a substrate, forming a contact etch stop layer (CESL) on the gate structure, forming an interlayer dielectric (ILD) layer on the CESL, forming a contact plug in the ILD layer and adjacent to the gate structure, forming a first stop layer on the ILD layer, and removing the first stop layer and the ILD layer around the gate structure to form an air gap exposing the CESL.

Abstract: Embodiments of the present disclosure provide methods and apparatuses for assigning network address prefix. A method performed by a control plane function may comprise: receiving, from a terminal device, a request for assigning a network address prefix; determining whether the network address prefix is assigned by the control plane function or a user plane function; transmitting, to the user plane function, a PFCP Session Modification Request for requesting the user plane function to assign the network address prefix, if it is determined that the network address prefix is assigned by the user plane function; receiving, from the user plane function, a PFCP Session Modification Response including an assigned network address prefix; and transmitting the assigned network address prefix to the terminal device. The specific procedure for the terminal device to obtain the network address prefix from a network entity not directly requested by the terminal device may be defined.

Abstract: Please replace the following substitute abstract for the abstract currently on file: A remote fault monitoring system for an electric valve includes: an MCU, a hydrogen sulfide sensor, a hydrogen sensor, a pull-press sensor and an actuating mechanism; the pull-press sensor is connected with an A/D conversion interface of the MCU by a signal amplifier, the hydrogen sulfide sensor and the hydrogen sensor are connected with the A/D conversion interface of the MCU by respective signal transmitters, and a D/A conversion interface of the MCU is connected with an opening-degree control port of the actuating mechanism by a voltage-to-current transmitter. An opening in-place signal and a closing in-place signal of the actuating mechanism are connected with a GPIO input interface of the MCU, and a GPIO output interface of the MCU is connected with an opening control port and a closing control port of the actuating mechanism by actuating mechanism relays.

Abstract: Methods, systems and computer readable medium for object detection coverage estimation are provided. The system for object detection coverage estimation includes a camera and a processing means. The processing means is coupled to the camera to receive image data acquired by the camera, the image data including a detected object. The processing means is configured to determine a spatial coverage of the detected object based on detected object metadata associated with the detected object in the image data received from the camera.

Abstract: Methods, systems and computer readable medium for object detection coverage estimation are provided. The system for object detection coverage estimation includes a camera and a processing means. The processing means is coupled to the camera to receive image data acquired by the camera, the image data including a detected object. The processing means is configured to determine a spatial coverage of the detected object based on detected object metadata associated with the detected object in the image data received from the camera.

Abstract: Methods, systems and computer readable medium for object detection coverage estimation are provided. The system for object detection coverage estimation includes a camera and a processing means. The processing means is coupled to the camera to receive image data acquired by the camera, the image data including a detected object. The processing means is configured to determine a spatial coverage of the detected object based on detected object metadata associated with the detected object in the image data received from the camera.

Abstract: Methods, systems and computer readable medium for object detection coverage estimation are provided. The system for object detection coverage estimation includes a camera and a processing means. The processing means is coupled to the camera to receive image data acquired by the camera, the image data including a detected object. The processing means is configured to determine a spatial coverage of the detected object based on detected object metadata associated with the detected object in the image data received from the camera.

Abstract: The invention belongs to the field of massage equipment, and specifically discloses a multi-handle fascia gun with better massage effect. In the multi-handle fascia gun, the fascia gun body includes a fascia gun housing, and the fascia gun housing further includes a first handle, a third handle, a second handle, and a control handle connected in sequence; the axes of the first handle, the third handle, the second handle, and the control handle enclose a parallelogram. A handle with parallelogram structure has multiple holding parts, so users can choose different holding handles according to different massage parts and needs, and also choose an appropriate handle according to the rotation angle of a steering head, so as to ensure that an axis of impact force is perpendicular to the holding direction as much as possible, thus reducing lateral counter-acting force, avoiding loosening of holding, and improving comfort of holding.

Abstract: A casting slurry for the manufacture of shell molds, including powder particles and a binder, further including a surfactant. Use of such a casting slurry for the manufacture of a shell mold.