1479results about How to "Low hardware requirements" patented technology

The present invention relates to display of visual content on a client device using server-side rasterization of visual content. Visual content is rendered on a server system, transformed into bitmaps compatible with the display attributes of a client device, and transmitted for display on the client device. The invention allows the server to perform, in effect, as a remote browser for displaying Web pages, e-mail, e-mail attachments, electronic document and forms, database queries and results, drawings, presentations, and images at the client device. The approach is “remote” because the server does the rendering and the client provides the interface; “multi-level” because rendered visual content is represented as a multi-level set of raster representations; and constitutes a “browsing system” because the client and server share data about the source visual content element being browsed, and the client performs a specific browsing function assisted by the server.

A load balancing SSL acceleration device. The device includes a processor, memory and communications interface. A TCP communications manager capable of interacting with a plurality of client devices and server devices simultaneously is provided, along with a secure communications manager. The apparatus further includes an encryption and decryption engine instructing the processor to encrypt data from a secure communications session and direct it to said second communication session. Still further, the apparatus includes a load balancing engine associating ones of said client devices with ones of said servers for a communications session based on calculated processing loads of each said server. In a further aspect, a method for performing SSL acceleration of data communications between a plurality of customer devices attempting to communicate with an enterprise having a plurality of servers is disclosed.

An arrangement and method for converting an input signal z(t) into a mechanical or acoustical output signal p(t) comprising an electro-magnetic transducer using a coil at a fixed position and a moving armature, a sensor, a parameter measurement device and a controller. The parameter measurement device identifies parameter information P of an nonlinear model of the transducer considering and the saturation and the geometry of the magnetic elements. A diagnostic system reveals the physical causes of signal distortion and generates information for optimizing the design and manufacturing process of this transducer. The controller compensates for nonlinear signal distortion, stabilizes the rest position of the armature and protects the transducer against mechanical and thermal overload.

A method for enabling secure communication between a client on an open network and a server apparatus on a secure network. The method is generally performed on a intermediary apparatus coupled to the secure network and the open network. The method includes the steps of negotiating a secure communications session with the client apparatus via the open network; negotiating an open communications session with the server via the secure network; receiving encrypted packet application data having a length greater than a packet length via multiple data packets; decrypting the encrypted packet application data in each data packet; forwarding decrypted, unauthenticated application data to the server via the secure network; and authenticating the decrypted packet data on receipt of a final packet of the segment.

A new digital architecture for metallic pipe and cable locators, providing accurate estimation of the fundamental locate parameters, electromagnetic signal strength and signal direction, and utilizing a nested Digital Phase-Locked Loop (DPLL) structure is disclosed. The obstacles to signal direction measurement in low SINR environments using the signal select method are overcome and a more precise phase comparison between the carrier and the FM modulation signals is obtained. The architecture further significantly reduces analog front-end hardware requirements, offers wider resistance to component tolerances, lower calibration and test time, and provides flexible frequency selectivity. Locators according to the present invention provide accurate estimation of the fundamental physical parameters of line location (electromagnetic signal strength and signal direction) in extremely noisy environments, using Digital Signal Processing (DSP) methods.

The invention relates to a video monitoring device and a tracking and recording method based on a linkage camera. The monitoring device comprises a linkage camera device and a computer, wherein the linkage camera comprises a first camera arranged on a first movement control platform and a second camera arranged on a second movement control platform, and the second movement control platform is fixedly connected with the first camera to follow the first camera to synchronously move; and the computer is connected with the two cameras through a data communication interface and the two movement control platforms, controls the first camera to track and position a target entering a monitored area, controls the second camera to align the target and to capture the close-up details of the tracked target, and achieves video monitoring and intelligent recording of the target. The device not only can track and record a movement process of the target in the monitored area and the close-up details of the target, but also can normally work on a mobile carrier, track and record the target which enters the monitored area and keeps stationary for a long time, save memory space and reduce hardware cost.

A method and apparatus of displaying an Electronic Programming Guide (EPG). In one embodiment, an EPG is displayed in a three dimensional virtual mesh, in which independent objects representing television programs are situated. The simplified nature of the three dimensional EPG reduces the amount of processing necessary to display it. In addition, the virtual mesh may be displayed isometrically, so that hardware requirements are further reduced and it may be possible to use a software only three dimensional graphics pipeline. If a user has a set top box (STB) with a hardware accelerated graphics pipeline, the EPG may be displayed in a full three dimensional perspective view. A user can navigate the mesh to find television programs that they wish to view. A user can assign values to types of television programs that they prefer, and these programs will be displayed more prominently.

The invention provides an intelligent household electric appliance system based on ZigBee and page generation and an implementation method thereof, wherein the system comprises a computer, an embedded Web gateway and a plurality of terminal devices. The embedded Web gateway comprises an ARM (Advanced RISC Machine) microprocessor, a Flash SDRAM (synchronous dynamic random access memory), a time circuit, a power circuit, a network card interface and a ZigBee coordinator module, wherein the automatic generation of the household electric appliance control page is achieved based on the embedded Web server. The ZigBee coordinator module is wirelessly connected with the terminal devices via a ZigBee protocol for transmitting operation instructions and uploading the date of the terminal devices. The terminal devices receive the gateway instructions, execute the control instructions and unload the operation state of the devices and the environment parameter data. The computer remotely accesses the embedded Web gateway via the internet so as to obtain the household electric appliance control page, to manage the names of the terminal devices and to check and control the operation state of the devices and the environment parameter.

The invention provides a data visualization system based on Web. The system comprises a Web service platform and a client, wherein the Web service platform comprises a Web browser, a Web server and a database server; the Web server is used for receiving a data request from a client browser and is in charge of data calculation work and forwarding a generated processing result to the client browser; a map visualization component, a tree graph visualization component, a parallel coordinate visualization component, a time flow graph visualization component, a scatter diagram visualization component, a histogram visualization component, a network chart visualization component, a pie chart visualization component, a broken line graph visualization component and a label cloud component are arranged in the Web server; and the Web server also comprises a visualization component collaboration module which is used for presenting data by using more than two visualization components cooperatively according to preset rules. The system provided by the invention has low client hardware requirements, reduces the client use cost and is better in applicability.

The invention relates to a skin detection system and a detection method. The detection method is characterized by comprising the following steps of enabling a micro-distance image collecting module to collect skin image information, utilizing a Bluetooth module to transmit the skin image information to mobile equipment loaded with a terminal APP (application), enabling a user to select whether the mobile equipment is used for preprocessing the skin image information or not on the terminal APP, and adopting a wireless network technique to upload the corresponding skin image information to a cloud server; enabling the cloud server to process the skin image information, obtaining data, such as moisture content, oil content, smoothness and color spots of skin, returning the data back to the mobile equipment, and displaying for the user. The detection method has the advantages that the cost is low, the detection accuracy is low, the real-time property is good, and the detection method is suitable for the fields of skin detection and skin data comprehensive analysis.

The invention relates to a dynamic network content grabbing method and a dynamic network content crawler system. The dynamic network content grabbing method comprises the following steps of: submitting an access request for a target network, and acquiring a target webpage comprising one or more dynamic contents; extracting the dynamic content in a specific area in the acquired target webpage; judging whether each extracted dynamic content exists in cache, if so, not processing the dynamic content, and if not, advancing to the next step so as to grab the dynamic content; locally solidifying the dynamic content through rendering so as to generate a static content which corresponds to the current content of the dynamic content; and analyzing the static content, extracting a target content, locally saving the target content and caching the dynamic content in the cache. According to the network content grabbing technology, the content in the specific area in the webpage can be customized and grabbed, the rolling news and other dynamic rolling contents are timely grabbed, and the network content grabbing technology can serve as a search engine and a content provider of other external application.

The invention discloses a fundamental voltage synchronous signal detection method during harmonic distortion and unbalance of network voltage. A novel resonant phase locked loop (PLL) can quickly compensate phase tracking errors caused by various network faults, effectively inhibit frequency fluctuation and phase jitter caused by a negative sequence and a harmonic component in the network voltage, and realize accurate detection of fundamental voltage synchronous signals in a distorted network. The method can meet the detection requirements on voltage frequency, amplitude and phase under the ideal network conditions, is particularly suitable for capturing the fundamental voltage synchronous signals under severe transient state and stable state network faults such as network voltage drop, unbalance, harmonic pollution and the like, and can realize quick extraction of the positive and negative sequences and the harmonic component in the voltage. The method has the characteristics of highdetection accuracy and good real-time property, can provide an accurate control basis for operating control of grid-connected power equipment such as various wind generating sets, solar photovoltaic grid-connected devices, reversible speed control transmission systems, dynamic reactive compensators and the like.

The invention provides an identification verifying system for a living human body for electronic payment, so as to overcome defects existing in the prior art. Through various voice-shape-image biometric feature recognition of face recognition, voice recognition, voiceprint recognition and lip language recognition, whether a user is an operator or not and whether the user is an intelligent living body or not are verified, through a client of the electronic payment and the interactive communication of a server, the feature information of a face, a voice, a voiceprint and a lip language is extracted out from a video and an audio obtained by the client of the electronic payment through the client of the electronic payment, and less data flow is used and transmitted into a server terminal through the Internet so as to perform the feature information of the face, the voice, the voiceprint and the lip language. Direct contact between the identification verifying system and the operator is not needed, whether the user is the operator or not and whether the user is the intelligent living body or not are verified, the identification verifying system is convenient to use, easy to accept by the operator and good in customer experience, and besides, an additional hardware is not needed.

A new digital architecture for metallic pipe and cable locators, providing accurate estimation of the fundamental locate parameters, electromagnetic signal strength and signal direction, and utilizing a nested Digital Phase-Locked Loop (DPLL) structure is disclosed. The obstacles to signal direction measurement in low SINR environments using the signal select method are overcome and a more precise phase comparison between the carrier and the FM modulation signals is obtained. The architecture further significantly reduces analog front-end hardware requirements, offers wider resistance to component tolerances, lower calibration and test time, and provides flexible frequency selectivity. Locators according to the present invention provide accurate estimation of the fundamental physical parameters of line location (electromagnetic signal strength and signal direction) in extremely noisy environments, using Digital Signal Processing (DSP) methods.

The invention discloses a sight tracking method based on neural network head movement compensation, and the method comprises the following steps of respectively placing two infrared sources on middle points of two side edges of a display screen, forming a bright spot image on the surfaces of human corneas after the two infrared sources are reflected by the human corneas, and enabling a dark pupil effect to occur in pupil images, and the method specifically comprises the following steps of statically calibrating a fixation point; compensating head movement; and calculating the fixation point by utilizing a static mapping module and a head movement compensation module to form a dynamic human eye fixation point matching module. Due to adoption of the scheme provided by the invention, requirements on hardware are low, only an ordinary camera and two infrared sources are needed, the restriction of a three-dimensional tracking method in which multiple cameras are needed can be changed, the system complexity and the needed computation volume can be greatly reduced, and the sight tracking instantaneity can be improved; and in addition, the head movement is allowed, direct application can be realized through one-step calibration, repeated calibration is avoided, and main defects of the two-dimensional calibration method are overcome.

The invention discloses a skin type detection and individuation evaluation system and method based on a cloud platform. The detection and individuation evaluation system and method based on the cloud platform are characterized in that a face skin image of a user is directly collected and effective data is extracted from the image and sent to a skin type detection cloud platform through a skin type detection terminal or a user APP; the individuation evaluation system conducts processing on the effective data in the skin type detection cloud platform through the adoption of a series of skin index analysis and process algorithms, and feeds a processing result back to the skin type detection cloud platform after an evaluation result is obtained; the skin type detection cloud platform synchronously sends the processing result to the skin type detection terminal or the user side APP; the user examines the test evaluation result by controlling a client end or the user APP. According to the skin type detection and individuation evaluation system and method based on the cloud platform, a face skin detection instrument and a machine learning technology are combined, a big data analyzing and processing technology and a machine learning method are adopted, an instrument detection result and an evaluation index are continuously optimized, a more accurate detection and nursing method are provided for the user, and a richer and more scientific specimen is provided for the study of face skin health.

The invention provides a real-time three-dimensional double-hand gesture recognition method and system based on binocular vision. The real-time three-dimensional double-hand gesture recognition method based on binocular vision comprises the steps that initial calibration and correction are conducted on an image firstly, the outline of a gesture is extracted, two-dimension gesture recognition is conducted on the extracted gesture outline, the mass center of the gesture outline is calculated, stereo matching is conducted on the mass center obtained through calculation, three-dimensional hand gesture recognition is achieved, and corresponding gestures are displayed in a human-computer interaction module based on the three-dimensional hand gesture recognition. According to the real-time three-dimensional double-hand gesture recognition method and system based on binocular vision, binocular vision information can be utilized, and human-computer interaction, based on the three-dimensional space, of double-hand gesture change of a computer is achieved; meanwhile, extremely high real-time performance and extremely high effectiveness can be achieved, and requirements for hardware are lowered; in addition, the man-machine interaction effect is achieved, and the requirements for real-time performance and effectiveness are well met.

The invention discloses a high-resolution region-of-interest image acquisition method of a PTZ camera, which belongs to the technical field of video monitoring technology and comprises the following steps: setting a plurality of capturing view fields and recording corresponding switching means; performing background modeling and detecting a moving target; modeling and tracking the motion states of the moving target and the region of interest of the moving target; predicting a motion path of the region of interest; switching to a selected view field; recovering motion detection and tracking prediction after shooting a plurality of frames in a selected capturing view field; and analyzing an obtained image and repeating the steps. In the method, the direct positioning of the region of interest is realized by using a PTZ camera through the preset capturing view fields and the prediction of the motion path of the region of interest, the requirements on system hardware are low, and the high-resolution region-of-interest image of the region of interest can be accurately and quickly acquired.

The invention discloses an intelligent detection method for abnormal behavior in a video sequence image, and relates to the technical field of image processing. Aiming at the defects of large computation burden and poor realtime performance in the existing behavior detection technology, the method comprises the steps of performing target detection and target tracking on a moving target in the video sequence image through codebook background modeling and modified particle filter, then setting a warning line and a warning region, analyzing the behavior of the moving target according to results obtained through target detection and tracking, and performing detection on getting over the warning line of the moving target, entering a virtual wall of the moving target, accelerating of the moving target and abnormal behavior of human body movement.

The invention discloses a three-dimension remote romance system, based on graph transmission, which comprises interactive server terminal and user terminal. Wherein, the server terminal has mode file manage unit, three-dimension romance engine unit, graph code decode compress unit, and network transmission unit; the user terminal has network transmission unit and user interactive unit; when the server terminal receives the browse request of user terminal via the network transmission unit, the mode file manage unit reads the mode file that requesting browse; using three-dimension romance engine unit to romance generate graph data, via the graph code decode compress unit to be compressed, and via network transmission unit, to be sent to the user terminal; user terminal decodes the data of compressed graph, to display it via user interface. The invention uses progressive transmission, multistage delay memory, and the prediction based on user interaction to realize the balance between high real-time property and high accurate browse, to support quick beautiful romance effect to general user.

The invention discloses a real-time drafting and displaying method of highly dynamic scope image, which comprises the following steps: 1) remaining highly dynamic scope information when drafting scene; 2) calculating the average brightness of image; filtering the brightness of image according to the threshold; generating new image with high-brightness filtered area; proceeding two-dimensional Gauss fuzzy for new image; generating glow effect; 3) mapping color tone of image with highly dynamic scope information; displaying the image with highly dynamic scope information to display in the low dynamic scope; keeping details as many as possible; 4) generating final image after do alpha mixing the color tone mapped image and fuzzy image. The invention reduces the calculation quantity, which satisfies the drafting need with good practical value.

The invention particularly discloses a dependence-based parallel task packet scheduling method used on an isomorphic multi-core cluster server. Through calculating the dependence between execution paths and under the premise of not increasing the maximum loads of the execution paths, execution paths with large dependence are combined, compared with the original algorithm, the method can reduce unnecessary task duplication expenditure, communication expenditure between processors and the idle time energy consumption of the processors are reduced, the load of the processors is more balanced, and the overall energy consumption is lowered. The dependence-based parallel task packet scheduling method has the greatest features that the number of the processors is effectively reduced, the resource utilization efficiency is improved, the load of the processors is more balanced, and accordingly, the overall energy consumption is reduced.

A compact high-speed data encoder / decoder for single-bit forward error-correction, and methods for same. This is especially useful in situations where hardware and software complexity is restricted, such as in a monolithic flash memory controller during initial startup and software loading, where robust hardware and software error correction is not feasible, and where rapid decoding is important. The present invention arranges the data to be protected into a rectangular array and determines the location of a single bit error in terms of row and column positions. So doing greatly reduces the size of lookup tables for converting error syndromes to error locations, and allows fast error correction by a simple circuit with minimal hardware allocation. Use of square arrays reduces the hardware requirements even further.

The invention provides an electrocardiosignal processing method and an electrocardiosignal processing system which are applicable to the technical field of data processing. The electrocardiosignal method includes: collecting electrocardiosignals; preprocessing collected electrocardiosignals; disintegrating preprocessed electrocardiosignals into single-cycled electrocardiosignal groups and subjecting each single-cycled electrocardiosignal in the single-cycled electrocardiosignal groups to normalization processing; performing the single-cycled electrocardiosignal subjected to the normalization processing to polynomial fitting to acquire fitting parameters; allowing pre-established disaggregated models to perform classification and identification on the electrocardiosignals according to the fitting parameters to acquire identification results. The polynomial fitting parameters adopted as feature vectors of electrocardiosignal classification are better in robustness, and errors brought by baseline drift of the electrocardiosignals and heart rate variation can be effectively avoided through the normalization processing performed on the single-circled electrocardiosignals.

The invention provides a method for realizing the cross-platform performance monitoring of a J2EE architecture enterprise application system, which is a real-time monitoring method with a B / S structure for a J2EE architecture. The method divides the realization of performance monitoring to the application system into three layers: a data acquisition layer, a data processing layer, and a data exhibition layer; an enterprise can define key performance indices (KPI) of the enterprise according to the demand of IT operation and maintenance management of the enterprise; the realization method also internally defines a set of key performance indices which meet the demand of a plurality of enterprises at the same time; a data analysis engine is used to analyze acquired data through the acquisition to needed performance data of the key performance indices, and an analysis result is sent for alarm notification. Most enterprise-level application systems are deployed under the complex environment of various platforms, such as Unix, Windows and linux; and the development of different monitoring softwares aiming at different platforms is a complex and huge job. The data acquisition layer of the method adopts universal interface technology, and can realize the performance monitoring to multi-platform databases and application middlewares.

The present invention provides a new baseband integrated circuit (IC) architecture for direct sequence spread spectrum (DSSS) communication receivers. The baseband IC has a single set of baseband correlators serving all channels in succession. No complex parallel channel hardware is required. A single on-chip code Numerically Controlled Oscillator (NCO) drives a pseudorandom number (PN) sequence generator, generates all code sampling frequencies, and is capable of self-correct through feedback from an off-chip processor. A carrier NCO generates corrected local frequencies. These on-chip NCOs generate all the necessary clocks. This architecture advantageously reduces the total hardware necessary for the receiver and the baseband IC thus can be realized with a minimal number of gate count. The invention can accommodate any number of channels in a navigational system such as the Global Positioning System (GPS), GLONASS, WAAS, LAAS, etc. The number of channels can be increased by increasing the circuit clock speed.

The invention discloses a quasi-three dimensional reconstruction method for acquiring two-dimensional videos of static scenes, which belongs to the field of computer vision three-dimensional video reconstruction. The method comprises the following steps: step A, extracting double-viewpoint image pairs from each frame of a two-dimensional video; step B, respectively and polarly correcting each double-viewpoint image; step C, adopting a binocular stereo matching method based on overall optimization to respectively solve overall optimum disparity maps of all the polarly corrected double-viewpoint images; step D, reversely correcting the overall optimum disparity maps so as to obtain the corresponding disparity maps of all the frames in the three-dimensional video; step E, splicing the disparity maps obtained in the step D according to a corresponding video frame sequence to form a disparity map sequence, and optimizing the disparity map sequence; and step F, combining all the extracted video frames and the corresponding disparity maps, adopting a depth image based rendering (DIBR) method to recover virtual viewpoint images, and splicing the virtual viewpoint images into a virtual viewpoint video. The method is low in computational complexity, simple and practicable.

Systems and methods for adjusting sampling and switching rates of a battery management system are provided. For example, a rate at which different battery cells of a battery cell stack are in communication with an analog to digital converter may be adjusted in response to conditions of a battery cell.