Abstract: A head-mounted display apparatus includes a display, a strap and a head-turning assisting device; two ends of the strap are fixedly connected to the display; the head-turning assisting device is positioned in the strap; when the head-mounted display apparatus is worn on the head of the human body, the display is positioned in the position of the eyes of the human body, and the strap is wrapped around the head of the human body; the display includes a master controller and a display module, the master controller is electrically connected to both the head-turning assisting device and the display module. The master controller is configured to acquire a display image from the display module, and to control the head-turning assisting device to assist the head of the human body to turn according to the display image.

Abstract: Systems and methods for improving homomorphic encryption are provided. A processor receives an encrypted ciphertext; splits the encrypted ciphertext into a plurality of smaller digits; applies a homomorphic floor function to clear a least significant bit from a current smaller digit; scales down the encrypted ciphertext, using modulus switching, thereby changing the ciphertext modulus to a new modulus; applies a bootstrapping procedure for a sign evaluation function to determine a sign of the scaled down encrypted ciphertext; and transmits the sign with the ciphertext to a server for subsequent use.

Abstract: The disclosure discloses a photoelectric core module and a lamp, the photoelectric core module includes an insulating housing that has an accommodating space; a photoelectric module that is fixedly mounted to the insulating housing and is accommodated in the accommodating space; and a light-emitting mask that is assembled on the insulating housing in a non-detachable manner and sealing the accommodating space; and light emitted by the photoelectric module is capable of passing through the light-emitting mask.

Abstract: A head-mounted display apparatus includes a display, a strap and a head-turning assisting device; two ends of the strap are fixedly connected to the display; the head-turning assisting device is positioned in the strap; when the head-mounted display apparatus is worn on the head of the human body, the display is positioned in the position of the eyes of the human body, and the strap is wrapped around the head of the human body; the display includes a master controller and a display module, the master controller is electrically connected to both the head-turning assisting device and the display module. The master controller is configured to acquire a display image from the display module, and to control the head-turning assisting device to assist the head of the human body to turn according to the display image.

Abstract: Disclosed are various embodiments facilitating a holistic engagement with a user across multiple communication channels of an organization or an enterprise based at least in part on a determined user intent. As users interact with various services associated with the organization through one or more communication channels, interaction data can be captured and stored. In various examples, the interaction data that is stored by the various services can be obtained and organized according to a predefined schema. The organized interaction data can be applied to a trained intent model that outputs a user intent based at least in part on observations of other users with similar histories. The predicted intent can be provided to the different services such that subsequent interactions between the user and the organization can be based at least in part on the intent in a consistent manner, regardless of the communication channel associated with the interaction.

Abstract: A method for running an instance is provided. The method includes: acquiring a component composing an instance, wherein the component is established based on an ECS architecture, and the instance is an edited unit in a game scene editor; acquiring, during a running phase of the instance, a running parameter of the component by converting an editor parameter in the component through the game scene editor, wherein a process of the converting is determined according to a data structure of a parameter used by a game engine in a case of running the instance; and running the instance through the game engine based on the component and the running parameter.

Abstract: Disclosed are various embodiments facilitating a holistic engagement with a user across multiple communication channels of an organization or an enterprise based at least in part on a determined user intent. As users interact with various services associated with the organization through one or more communication channels, interaction data can be captured and stored. In various examples, the interaction data that is stored by the various services can be obtained and organized according to a predefined schema. The organized interaction data can be applied to a trained intent model that outputs a user intent based at least in part on observations of other users with similar histories. The predicted intent can be provided to the different services such that subsequent interactions between the user and the organization can be based at least in part on the intent in a consistent manner, regardless of the communication channel associated with the interaction.

Abstract: A method for generating a plot based on a state graph is provided. The method includes: displaying an editing interface, the editing interface including candidate state nodes; determining at least two target state nodes in response to receiving a configure operation on the candidate state nodes; receiving a timing relationship establish operation for at least two target state nodes; and displaying a state graph including the at least two target state nodes in the editing interface based on the timing relationship establish operation, the state graph being configured to generate the plot in a virtual scenario by a specified engine.

Abstract: The disclosure discloses a photoelectric core module and a lamp, the photoelectric core module includes an insulating housing that has an accommodating space; a photoelectric module that is fixedly mounted to the insulating housing and is accommodated in the accommodating space; and a light-emitting mask that is assembled on the insulating housing in a non-detachable manner and sealing the accommodating space; and light emitted by the photoelectric module is capable of passing through the light-emitting mask.

Abstract: Disclosed are various embodiments facilitating a holistic engagement with a user across multiple communication channels of an organization or an enterprise based at least in part on a determined user intent. As users interact with various services associated with the organization through one or more communication channels, interaction data can be captured and stored. In various examples, the interaction data that is stored by the various services can be obtained and organized according to a predefined schema. The organized interaction data can be applied to a trained intent model that outputs a user intent based at least in part on observations of other users with similar histories. The predicted intent can be provided to the different services such that subsequent interactions between the user and the organization can be based at least in part on the intent in a consistent manner, regardless of the communication channel associated with the interaction.

Abstract: Systems and methods for improving homomorphic encryption are provided. A processor receives an encrypted ciphertext; splits the encrypted ciphertext into a plurality of smaller digits; applies a homomorphic floor function to clear a least significant bit from a current smaller digit; scales down the encrypted ciphertext, using modulus switching, thereby changing the ciphertext modulus to a new modulus; applies a bootstrapping procedure for a sign evaluation function to determine a sign of the scaled down encrypted ciphertext; and transmits the sign with the ciphertext to a server for subsequent use.

Abstract: The disclosure provides human-tracking methods, systems, and storage media. The method includes: acquiring a plurality of human point clouds of a current frame from a plurality of cameras; generating a total point cloud of the current frame by integrating the plurality of human point clouds of the current frame; acquiring a plurality of human point clouds of a next frame from the plurality of cameras; acquiring a total point cloud of the next frame by integrating the plurality of human point clouds of the next frame; and performing human tracking based on the total point cloud of the current frame and the total point cloud of the next frame.

Abstract: A ceiling lamp, an LED light source module, and a light source assembly are provided. The light source assembly includes a plastic heat-dissipating member and a metal substrate for mounting LED light sources of the ceiling lamp. The plastic heat-dissipating member includes an embedding groove, and the metal substrate is embedded in the embedding groove and is in contact with groove walls of the embedding groove. The light source assembly can effectively balance safety, performance and cost.

Abstract: The present disclosure discloses a housing assembly and an LED lighting fixture. The housing assembly includes a main body and a wire cover plate. The main body includes a bottom wall and a peripheral wall surrounding the bottom wall. The bottom wall and the peripheral wall are provided with a wire clamping notch, which includes a bottom wall opening, a peripheral wall opening and a notch snap-engagement portion. The bottom wall opening is located on the bottom wall, the notch snap-engagement portion is opposite to the bottom wall opening, and the peripheral wall opening is located on the peripheral wall. A stop wall is provided in the wire clamping notch. The stop wall is opposite to the peripheral wall opening and a wire clamping slot is provided on the stop wall. The wire cover plate includes a bottom wall covering portion, a wire clamping portion and a snap-engagement portion.

Abstract: The present invention relates to an optimal load curtailment calculating method based on Lagrange multiplier and an application thereof in power system reliability assessment, wherein the calculating method comprises the following steps: inputting all system states to be analyzed for reliability assessment and establishing corresponding optimal load curtailment models; classifying the optimal load curtailment models according to Lagrange multiplier to obtain several sets; and solving the optimal load curtailment models in each set by using Lagrange multipliers to obtain an optimal load curtailment corresponding to the system state. The core of the present invention is to establish Lagrange-multiplier-based linear functions between the optimal load curtailment and the system states, and the iterative optimization processes of the traditional optimal load curtailment calculating method are substituted with the simple matrix multiplications.

Abstract: The present disclosure provides a human body recognition method and apparatus, and a storage medium, the method comprising: determining a coordinate of a target person in a three-dimensional space according to images containing the target person collected by at least two cameras; calculating back-projection errors of the target person under different cameras respectively according to the coordinate of the target person in the three-dimensional space; determining whether the cameras have a human body recognition error according to the back-projection errors of the cameras; when a camera has the human body recognition error, performing re-recognition of the target person under the camera by using person re-identification ReID, until the back-projection errors of all the cameras containing the target person are not greater than a preset threshold. The present disclosure can improve accuracy of the human body recognition result effectively.

Abstract: A human body tracking method, apparatus, and device, and a storage medium. The method includes: obtaining a current frame image captured by a target photographing device at a current moment; detecting each human body in the current frame image to obtain first position information of the each human body in the current frame image; calculating second position information of a first human body in the current frame image; determining target position information of the each human body in the current frame image according to the second position information of the first human body in the current frame image, the first position information of the each human body in the current frame image, and pedestrian features of all tracked pedestrians stored in a preset list.

Abstract: A spotlight lamp includes a housing, a light emitting module, a lens, and an anti-glare ring. The housing has an opening. The light emitting module and the lens are both arranged inside the housing. The anti-glare ring is connected to the housing by a detachable snap-fit structure, and blocks an edge of the opening. The lens abuts between the light emitting module and the anti-glare ring. The disassembly and assembly process of the spotlight lamp provided by the embodiments of the present disclosure is very simple so that it is convenient for users to replace the lens to adjust the light emitting range.

Abstract: A method, apparatus, device, and storage medium for predicting the number of people of a dense crowd, including: converting a first image, in which the number of people is to be determined, into a corresponding first thermodynamic chart according to a thermodynamic chart conversion model; and determining the number of people in the first image according to the first thermodynamic chart, wherein the thermodynamic chart conversion model is obtained by training according to a pre-marked second image and a thermodynamic chart corresponding to each second image, thereby achieving prediction of the number of people of a dense crowd, improving the accuracy in predicting the number of people of the dense crowd while improving management efficiency.

Abstract: A method, apparatus and a system for human body tracking processing, where an apparatus for video collection processing in the system has a built-in intelligent chip, and before uploading video data to a cloud server, the intelligent chip performs a pre-processing on the video data, retains a key image frame and performs a human body detection and a tracking processing on the key image frame by using human body detection tracking algorithm to acquire a first human body detection tracking result. Afterwards, the intelligent chip sends the first human body detection tracking result to the cloud server, so that the cloud server performs a human body re-identification algorithm processing and/or three-dimensional reconstruction algorithm processing on the first human body detection tracking result to acquire a second human body detection tracking result.