61results about How to "Real-time rendering" patented technology

A method of transferring entire frequency shadow owing to the pre-computed radiancey of GPU, (1) making use of the circumstance illuminance image to pursues the illumination to circumstance , getting the radiation delivery function B = TL, matrix T is radiation delivery matrix, L is an illuminant matrix; (2) pre-computing the radiation delivery matrix T; (3)getting sparse radiation delivery matrix when the pre-computed radiation delivery matrix T compressed in quantization owe to small echo alternation; (4) rearranging the sparse radiation delivery matrix in (3) to put the important matrix in the front part; (5) doing small echo alternation rapidly for L, getting sparse illuminant matrix which has been quantization compressed; (6) carrying out rapidly sparse matrix multiplication on T and L in GPU to accomplish the re illumination exaggeration. The invention make use of the data structure and algorithm according to the ability of GPU that computed in parallel, it can reach fairly good balance between CPU loads and GPU loads, exaggerating speed and exaggerating quality . It can reduce the use of memory and keep the quality of exaggerating at the same time, and the exaggerating speed has increased in wide-range. It has reached the purpose of exaggerating entire frequency shadow in real time.

The invention discloses a method for simplifying three-dimensional scene drawing based on a dynamic Billboard technology, relates to a high-efficiency, real-time dynamic three-dimensional scene drawing simplification and large-scale dynamic three-dimensional scene real-time drawing technology, belonging to the computer application field, especially belonging to the field of computer graphics and virtual reality. According to the method, a real-time deformation result of a two-dimensional image is used to replace dynamic indication of a virtual object in a three-dimensional scene. A real model is projected as a two-dimensional image, a simple skelecton frame of a deformation region is marked for the projected image; motion deformation of the two-dimensional image role or object is realized by controlling a curve skelecton model; a technology for drawing venation is used to bind the deformation result on a Billboard so as to simplify the scene drawing complexity and realize real-time drawing of a large-scale dynamic scene. Based on experiments, the method can effectively solve the contradiction between the authenticity and real-time performance of the large-scale dynamic scene during drawing the large-scale deformation scene of repeating or similar objects.

The system comprises: a video signal inputting device; a video signal outputting device; and a central computing device. The central computing device comprises a sign language synthesis module for in translating the inputted program text into sign language data; a virtual man synthesis module for expressing the sign language data by using the virtual man; a non-linear editing card supporting image overlapping function; a voice time length synchronous information acquiring module for recording the initial time and ending time of each sentence text; a main module for controlling the sign language synthesis module to translate the program text into the sign language data that is expressed by the virtual man synthesis module, then controlling the non linear editing card to overlap the sign language image into the program bit-stream, and then to output to the outputting device.

The invention discloses a method and a system for searching for mails, which is used for solving the problem that the current speed for searching for mails is slow. The method of the invention comprises the steps as follows: the content of the mail received by a mail client terminal is split into key words, the corresponding relation between each key word and the mail is input into a mail search engine; and when a user searches for key words in the mail, the mail search engine calls out the related mail according to the corresponding relation of the key words in order to complete the mail search. The invention comprises the mail client terminal, a splitting unit which is used for splitting the content of the mail received by the mail client terminal into the key words, an input unit which is used for inputting the corresponding relation between each key word and the mail into the mail search engine, the mail search engine which is used for calling out the related mail to complete the mail search according to the corresponding relationship between the key word and the mail when the user searches for the key word in the mail. The invention has high speed of searching for mails.

The invention provides a multifunctional interface expansion device which is correspondingly provided with physical layer processing units and network layer processing units for bus interfaces with various specifications, and mutual expansion between a bus serial interface and an expansion interface is achieved. Work mode setting and real-time transmission data presenting are achieved through a configuration debugging unit, and good visuality and operability are achieved. Error correction regeneration of original data information is achieved through error code correction mechanisms of network layer protocols of all the bus interfaces, the error code rate of data transmission is effectively reduced, and the integral performance and reliability of the system are improved. A user can carry out testing and function expanding conveniently through an expansion interface unit. Interconnection networking can be achieved by additionally arranging a new lower computer device or a memorizer device, and a humanized and digital data transmission environment is formed.

The invention provides a real-time drawing method based on nonuniform sampling three-dimensional object reflection. The method comprises the following steps of acquiring a sampling templete of a reflected object image, generating a reflected object nonuniform sampling deformation pattern according to the sampling templete, and finally, drawing the reflection effect in the scene by the deformation pattern reconstructed nonuniform sampling image. The algorithm for automatically generating the sampling templete can draw the reflection phenomenon in real time. The reflection in the scene is more realistic when being drawn under the condition of low overall resolution (small reflection calculated amount), thereby achieving the goal of enhancing sense of reality.

The invention discloses an unstructured light field rendering method. obtaining a light field sampling image, taking the sampling viewpoint position as the vertex of the basic triangular mesh, the camera parameters of the sampling viewpoint and the geometric model of the to-be-rendered scene, recording the depth value of the scene under each sampling viewpoint, splitting the sampling viewpoint triangular mesh, and generating an independent sub triangular mesh for each vertex; Recording geometric information of the scene under the to-be-rendered viewpoint; And rendering the sampling viewpoint triangular mesh set, reprojecting to the viewpoint by utilizing the geometric information, sampling the light field image, and mixing the sampling results of the viewpoints. According to the method, the influence range and weight of sampling data are determined through the triangular mesh formed by the viewpoint positions when the sampling light field is split, the scene geometric model is re-projected, bilateral filtering is carried out on light field sampling based on the depth, and therefore the scene image under any viewpoint is rendered. Light field sampling data of various sources can befully utilized, and a vivid rendering result can be generated in real time.

The invention provides a multi-view real-time human body motion, gesture, expression and texture reconstruction system, which comprises the following steps of: defining a capture area by a plurality of camera frames, and calibrating camera internal parameters and camera external parameters of a plurality of cameras by a camera calibration method; collecting a human body image through the pluralityof calibrated cameras, processing the human body image to transcode the human body image into an RGB image, and then completing single-purpose human body posture estimation; obtaining a hot spot mapand joint affinity of each joint of the human body through single-purpose human body posture estimation, and performing non-maximum suppression on the joint hot spot map to obtain coordinates of eachjoint; therefore, human body three-dimensional joint coordinates are obtained, and a human body three-dimensional reconstruction model is obtained. According to the system, deep learning is utilized to complete estimation of human body postures, and fitting and rendering can be performed on human body models of multiple persons in real time in a test environment.

The invention provides a high-precision augmented reality method based on geographical location positioning. The high-precision augmented reality method combines a differential global positioning system, so that centimeter-level high-precision positioning data is provided; besides, an SLAM technology is utilized, relative positioning of a mobile terminal is obtained and a map is built timely, so that accuracy of augmented reality in a moving process is improved, and then application of the augmented reality in a real scene is enhanced.

The invention provides a data communication method, device and system based on cloud service. The method comprises the steps that: a cloud service module receives and stores collected data from a wireless sensor network monitoring module through a wireless communication module; the cloud service module receives an identity authentication request including a secret key and an identity identifier sent by a user terminal in the local device module; the cloud service module performs authentication for the user terminal according to the identity authentication request and establish communication connection with the user terminal after the authentication is successful, wherein when the cloud service module searches the identity identifier from a database thereof and the secret key is correctly verified, it is determined that the authentication is successful; and the cloud service module compares the received collected data with pre-stored standard data to determine whether the collected datais abnormal or not, and when the collected data is abnormal, the cloud service module sends the abnormal data to the user terminal establishing communication with the cloud service module.

The invention discloses a GPU-based mobile terminal high-quality beauty real-time processing method, which comprises an image acquisition step, an image processing step and an image fusion step. With the help of hardware acceleration characteristics of the GPU, multiple sub steps in the method are processed, and the problem of low efficiency when the GPU is used can be solved. Each sub step disclosed and used in the method can be well applied to GPU acceleration processing, immediate effect presentation can be obtained while the real-time efficiency is ensured, and the method is applied to special effect processing of a single image. In addition, the invention provides an image denoising algorithm processing framework which is easy to understand and excellent in performance, a quick image denoising scheme based on an image integral graph is used, the calculation speed is ensured not to be related with the size of a sampling window, and while image noise such as spots is well removed, details are kept.

The invention discloses a wind power plant wind turbine generator frequency converter state evaluation method based on temperature prediction. The wind power plant wind turbine generator frequency converter state evaluation method comprises the following steps: randomly selecting data of an a wind turbine generator in an SCADA system in N days in a service life, and forming N groups of datasamples; preliminarily screening the types of input variables of the time series nonlinear prediction model; comprehensively screening multiple input variables of the prediction model; re-training and synthesizing a multi-input and multi-output prediction model; evaluating the frequency converter state according to the frequency converter temperature prediction result; and predicting the frequency converter temperatures of all the wind turbine generators in the wind power plant, and further performing self-confirmation and evaluation on the frequency converter states of the wind turbine generators. The wind power plant wind turbine generator frequency converter state evaluation method carries out temperature prediction of a frequency converter of a wind turbine generator of a wind power plant under complex and variable working conditions, masters the state of the wind turbine generator frequency converter in real time, reminds wind power plant technicians to take necessary measures toprevent the frequency converter from being damaged too early and accidents from happening, and can also be popularized and applied to frequency converter temperature prediction and state evaluation of other complex electromechanical systems.

The invention provides an intelligent archive cabinet management control system. The system comprises a data acquisition unit, a data storage unit, an analysis unit, a data management unit, an alarm unit and a display unit which are in signal connection with one another sequentially; the data acquisition unit comprises an archive data acquisition module and an environmental data acquisition module; the analysis unit includes an archive data analysis module and an environmental data analysis module; the data management unit includes an RFID management module, wherein the RFID management moduleincludes an intelligent access control management module, a vehicle quantity check management module, and a dedicated archive label management module; the alarm unit includes an isolation module and an emergency air protection module; and the display unit includes a three-dimensional scene display module and a real-time data display module. With the intelligent archive cabinet management control system adopted, not only can statistics be performed on document information, but also archive data can be managed in a unified manner, and therefore, relevant personnel can be facilitated to perform monitoring, consultation and statistics, and isolation protection can be realized when problems appear.

The invention discloses a high-efficiency facial beautification device easy for parallel realization, and the device comprises an image obtaining module, an image overall beautifying module, an image enhancement processing module, a skin region shading processing module, and an image fusion module. The image obtaining module is used for obtaining an RGB color image, and the output end of the image obtaining module is connected with the image overall beautifying module, the image enhancement processing module and the skin region shading processing module. The output end of the image overall beautifying module, the output end of the image enhancement processing module and the output end of the skin region shading processing module are connected with the image fusion module. The device achieves the processing of a plurality of sub-modules of a system with the help of the hardware acceleration characteristics of a GPU, and can solve a problem that the efficiency is low when a CPU is in use. Meanwhile, the plurality of sub-modules proposed and used by the device can be well applied to the GPU acceleration processing, achieve instant effect display while guaranteeing the instantaneity of efficiency, and are used for the special effect processing of a single image.

The invention discloses a base station network system using wearable equipment. The system comprises the wearable equipment, a basic base station network, and a cloud platform, wherein the wearable equipment comprise a wristband, a thermometer, a sphygmomanometer, and an oximeter; each piece of the wearable equipment comprises a display module, a process with low power consumption, a motion sensor, a wireless module with low power consumption, and a battery; the basic base station network comprises a plurality of data access nodes and gateways; the wearable equipment transmits data to the dataaccess nodes of the base station network through the wireless modules; the gateways transmits the data to a cloud server of the cloud platform, and are connected to the cloud server through 3G/4G/2G,WiFi or the Ethernet. The system provided by the invention has the advantages that the data of the wearable equipment can be transmitted to the server in a real-time manner for storage and analysis,and the advantages of low cost and low power consumption of the conventional wearable equipment can be maintained; and through the system, functions of the wearable equipment can be added and supplemented.

The invention provides a portrait tooth modification method, device and system and a computer storage medium. The portrait tooth modification method comprises the steps of obtaining a face image sequence of a to-be-detected object, wherein the face image sequence comprises at least one frame of face image; determining a tooth area in the face based on the face image; and modifying the tooth area to obtain a modification result. According to the method, device and system and the computer storage medium, the tooth area is accurately detected, rendering processing is conducted on the tooth area in real time, convenience and rapidness are achieved, and the user experience is remarkably improved.

The invention discloses a near-bit electromagnetic wave electrical resistivity and gamma logging instrument. The near-bit electromagnetic wave electrical resistivity and gamma logging instrument comprises a transmitting section and a receiving section. The transmitting section comprises a gamma detector, a gravity sensor, a transmitting circuit unit, an electromagnetic wave transmitting device, and a transmitting antenna; and the receiving section comprises receiving antennas, a receiving circuit unit, logging-while-frilling electrical resistivity (EPR), and logging-while-frilling electromagnetic wave electrical resistivity (AER). An electromagnetic wave signal is subjected to power amplification and is transmitted and output by the transmitting antenna, the electromagnetic wave signal, output by the transmitting antenna and passing through underground well floors, is received by the two receiving antennas, andthe signal is subjected to differential amplification and pass filter, and is sent to a digital signal processing unit for processing after being converted into a digital signal; a gamma signal adopts wireless electromagnetic transmission and a drill collar is used as a medium to transmit an electric signal to complete short distance wireless transmission of information; near-bit gamma measurement can be provided, the distance to a drill bit is short, accurate measurementis achieved, and a reservoir boundary can be measured earlier.

The invention discloses a method for hierarchical drawing of map layers. The method comprises the following steps of adding an attribute field into data to display showscale attribute of a scale; setting pixel resolution displayed by a full-map drawing panel; judging whether the showscale attribute of a current element has been set or not; when the showscale attribute is not set, drawing a map according to a current pixel ratio, and judging whether the element of the drawn map is smaller than one pixel or not; when the element is smaller than one pixel, using the showscale attribute of the element with the same element coordinate and the pixel less than 1 as a current pixel value; when the element is not smaller than one pixel, judging whether the element of the drawn map is equal to one pixel or not; when the element of the drawn map is equal to one equal, completing the data pre-processing. The method for hierarchical drawing of the map layers has the advantages that the stress of the frontend display is well relieved; for a mechanism of rendering the map layers in real time by the hierarchical drawing, the computation load is reduced by setting the attributes, and the real-time rendering can be performed according to the user requirements.

The invention provides a data transmission method, device and system, wherein the method comprises the following steps: a remote server establishes a communication connection with a wireless sensor network module; the remote server receives the collected data from the wireless sensor network module; the remote server compares the received data with the pre-stored standard data to determine whetherthe received data is abnormal; and when the received data is abnormal, the remote server transmits the abnormal data to the predetermined user terminal. The invention, based on the wireless sensor network technology, realizes wireless communication and real-time monitoring of data without wiring, saves manpower and material resources, and can more effectively and more real-time present the data required by the user to the user through the interaction between the remote server and the user terminal.

The invention provides a display method of interactive graphics in an information list, includes such steps as triggering display of interactive image instruction by client, downloading interactive image resource package by client, parsing interactive image resource package by client, obtaining interactive event and parameter of client, and realizing display of image, displacement and matrix transformation instruction in configuration file according to parameter change of interactive event of client. The configuration file includes a download path of one or more image resource files; The configuration file also contains instructions for displacement and matrix transformation of a particular image. The present invention is used to define a configuration file in json or xml format of an interaction mode. By parsing the configuration file and rendering the image in real time during user interaction.

The invention provides a method, device and system for human and certificate verification and a computer storage medium. The method comprises the following steps of: obtaining a to-be-verified facialimage; carrying out mirror symmetric processing on the facial image to obtain a mirror symmetric image of the facial image; carrying out quality judgement on the facial image and marking the facial image according to the quality judgement result; and overlapping marked information on the mirror symmetric image and displaying the marked information. Visibly, mirror symmetric processing and qualityjudgement can be executed in parallel, so that the processing time is shortened, facial images can be displayed in real time, and comparators can conveniently adjust positions and postures according to displayed facial images, thereby enhancing the user experience. Subsequent human and certificate verification can be furthermore carried out, so that the processing efficiency is improved.

The invention discloses a calculation method for realizing CALPUFF high performance based on workflow, relates to the technical field of atmospheric environment and computer processing, and solves the problems that an existing meteorological model is low in abnormal condition processing capacity, calculation cannot support concurrency, the calculation efficiency is low, the calculation result analysis processing capacity is insufficient, calculation of complex conditions of multiple models cannot be supported, and one script can be only used to solve a single question. The method is realized based on an atmospheric model calculation service system, and a calculation task is divided into a plurality of task nodes according to a workflow mode and is completed one by one. The method integrates complex data, analyzes and processes the data and realizes cloud service sharing, the atmospheric model calculation service system adopts a numerical simulation method to analyze atmospheric pollution causes under different weather conditions and at different times within a numerical model range, the contribution rate of each pollution source, various pollution sources and each grid pollution source influencing the atmospheric pollution is judged, and decision support is provided for prevention and control of the atmospheric pollution.

The invention provides a data acquisition and management system based on cloud service. The system comprises a data acquisition module, a data management module and an intelligent terminal. The methodcomprises the following steps that: the data management module receives and stores data acquired by the data acquisition module in real time and sent in time; the data management module receives standard identity recognition information sent by the intelligent terminal, matches the standard identity recognition information with pre-stored standard identity recognition information, and establishescommunication connection with the intelligent terminal when matching succeeds; and the data management module is used for carrying out exception analysis on the received data, and sending the exceptional data to the intelligent terminal in communication with the data management module when the received data are exceptional, so that the exceptional data are presented through a human-computer interface of the intelligent terminal.