408results about How to "Efficient feedback" patented technology

A user friendly display structure (100) for an electronic device (102), such as a touch screen hand held communications device, is provided with piezoelectric elements (126) bonded or otherwise secured directly to the back of a display module (112) generates effective haptics and sound localized to the display area. Actuation of piezoelectric elements (126) in the display structure (100) generates bending motion of the entire display structure (100) which provides haptics feedback to fingers operating on the display structure (100) as well as generates sound by turning part or the entire display into a speaker.

The present invention is a system and method for detecting and analyzing motion patterns of individuals present at a multimedia computer terminal from a stream of video frames generated by a video camera and the method of providing visual feedback of the extracted information to aid the interaction process between a user and the system. The method allows multiple people to be present in front of the computer terminal and yet allow one active user to make selections on the computer display. Thus the invention can be used as method for contact-free human-computer interaction in a public place, where the computer terminal can be positioned in a variety of configurations including behind a transparent glass window or at a height or location where the user cannot touch the terminal physically.

A method for receiving feedback at a call center includes receiving a call from a caller for connection with one of a plurality of agents and distributing the call to a first agent of the plurality of agents. The method includes initiating a first communication session with the caller and the first agent to handle the call. The method also includes initiating a second communication session with the caller. The second communication session comprises a feedback session parallel to the first communication session. The method also includes receiving from the caller feedback relating to the first communication session between the caller and the first agent.

A haptic display includes at least one haptic device that can give tactile feedback instead of visible feedback. Each of the haptic devices converts a signal from a signal producing unit into force or tactile pattern. The haptic device does not require a large mass, so that it can be provided on almost any portion or part within the body of a mobile apparatus. For example, the haptic device can be embedded under a touch panel display that constitutes both input and output device. By providing the haptic devices under respective menu / function button areas displayed on the touch panel display, it is possible to stimulate the specific button in response to the user-input-operation, thereby directly providing the tactile feedback to the user's finger touching the corresponding button.

An imaging apparatus suitable for capturing a image of one or more of a user's facial features is disclosed. The apparatus includes a spherical cold mirror which presents a concave surface to the user and is disposed between the user and the camera. The user is able to conclude that he is close enough to the camera for successful image capture when the reflection he sees in the mirror is the right way up. In a preferred embodiment, markings are provided on the front surface of the mirror to aid the user in placing his eye within a predetermined range of distances from the camera. The imaging apparatus is suitable for use in iris recognition apparatuses and provides a relatively inexpensive alternative to known apparatuses.

The invention provides a 3G video transmission method and system based on compression sensing in a video monitoring scene, and belongs to the field of data compression and video transmission. After the format of video information collected by a camera is converted into the YUV format through color space conversion, H.264 coding is conducted, compression processing of compression sensing is conducted on coded data, video data streams obtained through compression are transmitted in a 3G network according to the RTSP protocol and the RTP / RTCP protocol, and reconstruction processing of compression sensing and the H.264 decoding process are conducted at a terminal so that restored video information can be obtained. Compression sensing is combined with the RTSP protocol and the RTP / RTCP protocol to be used in the 3G video transmission system, and therefore the system can meet the requirement for instantaneity of video transmission from the aspects of control and data, the system has the self-adaption video coding speed and network transmission speed regulation function, the size of the data transmitted through a network can be greatly reduced, broadband resources are saved, and the transmission efficiency of the system is improved.

The invention discloses a large-scale MIMO time-varying channel state information compression feedback and reconstruction method. The method comprises the steps that a channel matrix sequence is acquired, T channel matrixes are subjected to DFT separately, and a channel matrix sequence which is sparse in the angle delay domain is obtained; a channel feedback and reconstruction model CsiNet-LSTM isconstructed, the channel matrix sequence is input to a coder, and codewords are output; the codewords are sequentially input to a decoder, and a reconstructed channel matrix sequence is output; the channel feedback and reconstruction model is trained to gradually approximate to the channel matrix sequence to obtain model parameters; each channel matrix in the output reconstructed channel matrix sequence is subjected to two-dimensional inverse DFT, and a reconstruction value of an original space-frequency domain matrix sequence is obtained through recovery; and channel state information to befed back and reconstructed is input to the model, and a reconstruction value is output. According to the method, the feedback overhead of large-scale MIMO channel information can be reduced, the reconstruction precision is improved, and the excellent robustness is particularly achieved on decrease of the compression ratio.

The invention discloses an UAV onboard multi-target detection tracking and indication system and method, and belongs to the technical field of target detection tracking and indication. The invention discloses an UAV onboard multi-target detection tracking and indication system comprising a multi-target detection and tracking system and a multi-target laser indication system. The multi-target detection and tracking system comprises an infrared camera, a visible light image sensor and a high-speed parallel image processing and tracking feedback control circuit. The multi-target indication systemincludes an integrated laser, a fast reflector, a fast reflector control module, and a laser control module. In order to improve laser indication accuracy, the UAV onboard multi-target detection tracking and indication system also includes a laser pointing control system. The invention also discloses an UAV onboard multi-target detection tracking and indication method based on the UAV onboard multi-target detection tracking and indication system. The UAV onboard multi-target detection tracking and indication system and method realize multi-target all-weather detection tracking and high-precision stable laser indication under the condition of a UAV onboard platform.

A method and system for creating an object or character in a drawing window and simultaneously displaying the object or character in animated form wherein the animated form is available for instant playback or feedback to the user is described. A single process is used for creating the object and animating the object. The user is able to draw the object in a drawing window and have the object animated in an animation window as the object is being drawn, thereby allowing the user to immediately see the results of the animation. A single process is used to create the object or character (i.e., the “drawing” stage) and to display the object in animated form. The drawing and animation can be shown side-by-side for the user thereby enabling the user to see the animation of a character that the user had created moments before. The animation can take place in an animation window or be placed in a pre-existing context, such as an ongoing story line or a collaborative community context created by multiple users.

The invention discloses a high-pressure self-oscillation oscillating impulse jet flow nozzle with continuous adjustable cavity length. The high-pressure self-oscillation oscillating impulse jet flow nozzle comprises an inlet nozzle, an adjusting ring, a base and an outlet nozzle, wherein the base is an inner hollow cylinder; the inner cavity of the cylinder is a cylindrical oscillating cavity; the upper end of the inlet nozzle is connected with a high-pressure pipe by external threads arranged on the cylindrical face of the end part of the upper end; the middle of the inlet nozzle is spirally connected with inner ring threads of the adjusting ring by external threads arranged on the outer cylindrical face of the middle; the lower end of the inlet nozzle is spirally screwed into the oscillating cavity of the base; the base is fixedly connected with the adjusting ring and the outlet nozzle respectively by screws, through holes formed in the upper and lower bottom faces of the base, a through hole formed in the adjusting ring and a through hole formed in the outlet nozzle. The high-pressure self-oscillation oscillating impulse jet flow nozzle with the continuous adjustable cavity length has the advantages that aiming at different working pressures, the cavity length of the oscillating cavity can be continuously adjusted by rotating the base, and thus the continuous jet flow is changed into strong impulse jet flow; each part of the nozzle is easily processed, and the replacement is convenient.

The invention provides a real-time alarm system for industrial enterprise and a method thereof. The system comprises work stations, a system platform computer, an information transmitter-receiver, an information transmission network, and a called terminal. According to the invention, technical methods such as industrial data communication and mobile phone short message sending are used to carry out real-time monitoring of industrial enterprise process data, send alarm information in real time and realize the real-time alarm function for industrial enterprise.

Provided is a radio communication system in which a base station apparatus with a plurality of transmission antennas spatially multiplexes and transmits a transmission signal addressed to a plurality of mobile station apparatuses, and in which the mobile station apparatuses receive the signal transmitted from the base station apparatus. The mobile station apparatuses select a desired precoding vector from predetermined candidates, and give the base station apparatus information identifying the selected precoding vector. The base station apparatus generates a linear filter on the basis of the information from the mobile station apparatuses, grasps multi-user interference that at least one of the mobile station apparatuses is subjected to when the generated linear filter is used, generates a new transmission signal by subtracting the multi-user interference from the transmission signal, and spatially multiplexes the transmission signal addressed to the plurality of mobile station apparatuses by multiplying the new transmission signal by the linear filter. Thus, favorable reception characteristics can be obtained while CSI feedback is performed efficiently.

The invention discloses an identity authentication method based on a dynamic trusted third party in an open network. By constructing an authentication system structure containing a trust decision-making database, the dynamic trusted third party and an entity joining the network service, the proposal leads an interactive entity not only to obtain necessary information related to identity authentication but also to obtain a trust feedback set of the trusted third party depended by the interactive entity when the interactive entity is carried out identity authentication; and according to the trust feedback set, the entity independently selects a trust decision-making function and calculates the reliability thereof. The proposal consists of four phases of identity authentication information collecting, identity authentication reliability calculating and judging, identity authentication information mutual judging and identity authentication information feed backing. The invention not only realizes dynamic control to the behavior of the trusted third party by the identity authentication entity in the open network, but also improves the reliability of identity authentication by carrying out reliability calculating and judging.

The invention discloses a video transfer and distribution method in video monitoring, wherein, corresponding video layers of video images which are transmitted from PU equipment and delaminated and encoded are sent to CU according to receiving ability of CU by utilization of the fact that VTDU of different video layers can be distinguished. The invention also discloses a video monitoring method, a video transfer and distribution device and a video monitoring system. The video monitoring method of the invention has no high demand on equipment characteristics and simultaneously also can well meet requirements of different bandwidth users.

The invention provides feedback and determination methods and devices for channel state information. The feedback method comprises a step of feeding back the channel state information according to thedetermined structure of the channel state information, wherein the structure of the channel state information comprises M channel state information subsets; the mth channel state information subset of the M channel state information subsets comprises km channel information components; the M channel state information subsets comprise N channel state information subsets, wherein the nth channel state information subset of the N channel state information subsets comprises Ln channel information components, and the Ln channel information components are determined by transforming a group of basisvectors. According to the methods and the devices, an inter-layer orthogonal effect of multi-layer linear combination codebooks can be guaranteed.

When an organic EL display apparatus enables display of a standard luminance mode and a high luminance mode, it takes long time to reset the gate potential of the OLED drive TFT to a given value in a standard mode. In the reset operation of the gate potential of an OLED drive TFT at the time of writing an image signal, in a standard mode, a precharge current is allowed to flow in the OLED element for a short period before the reset operation to set an initial value of the gate potential of the OLED drive TFT to be close to a supply potential or a reference potential. With the above operation, the variation of the OLED drive TFT gate potential after resetting is reduced. As a result, the light emitting period during one frame can be extended. Also, since a blanking period can be extended, it is possible to measure the characteristic of the OLED element by using the blanking period.

The embodiment of the invention relates to the technical field of data processing, in particular to a transaction monitoring method and a transaction monitoring device, which are used for improving the recognition capability of abnormal transaction behaviors. The method provided by the embodiment of the invention comprises the steps of obtaining monitoring transaction flow in a monitoring time period; forming a transaction directed graph by utilizing the monitoring transaction flow, determining suspicious transaction communities from the transaction directed graph, and enabling one suspicioustransaction community to comprise a plurality of suspicious transaction subjects; and for any suspicious transaction subject, calculating an abnormal risk value of the suspicious transaction subject by using an abnormal transaction algorithm model according to the monitoring transaction flow of the suspicious transaction subject, and performing clustering on the suspicious transaction subject by using the abnormal transaction algorithm model to obtain a training sample set which is similar to the training sample set which is obtained by not depending on labels.

The invention discloses a message processing method and system, a first terminal and a second terminal. The message processing method comprises the steps: responding a first operation, and entering an operation interface of a first application; obtaining a second operation on the operation interface of the first application; responding the second operation, triggering to enable a message feedback function, creating a feedback message at the first terminal, invoking a session remind and sending the feedback message; on the second terminal, receiving the feedback message, performing a third operation, generating a message operation state based on the third operation, encapsulating the message operation state into a first prompt message, and feeding back the first prompt message; on the first terminal, receiving the first prompt message, simultaneously displaying the feedback message and the first prompt message on the operation interface of the first application, obtaining the message operation state after decapsulation, and displaying an operation result of group members in the current message interaction session by aiming at the feedback message.

Improved approaches of designing and fitting hearing aids to make hearing aids more accessible to people with hearing loss are disclosed. The hearing aids can be capable of being fitted by users themselves or by other non-hearing specialists. In one embodiment a hearing aid can be self-calibrating. In another embodiment, hearing aids can be fitted, i.e., configured, for individuals with hearing loss using a simplified procedure that hearing aid users or non-hearing specialists can easily follow.

Some techniques for implementing estimation of channel states with high accuracy and efficient feedback of the channel states in 3D MIMO are disclosed. One aspect of the present invention relates to user equipment for implementing 3D MIMO (3-Dimensional Multiple-Input Multiple-Output) communication, comprising: a channel state information generation unit configured to measure channel states of antenna ports of 3D MIMO antennas in a base station with reference signals transmitted from the antenna ports and generate channel state information based on the measured channel states; and a channel state information feedback unit configured to use different channel state information feedback means for antenna ports in respective dimensions of the antennas to feed the generated channel state information back to the base station.

A charge apparatus of an extension cord plug is provided. The charge apparatus is set inside an outlet and connected to an USB interface outside the outlet. When the outlet is electrified, the plug thereon is able to provide power to an electric appliance for normal operation through the USB interface after processing of the charge apparatus. By the time, the user may select demanded voltage to achieve objective of charging by various voltage sources.

The invention provides a motor drive and power return two-way power source of an electric automobile, and the two-way power source comprises an energy conversion direct current part and a positive motor drive and reverse motor electric energy recovery part, wherein the energy conversion direct current part comprises a two-way DC (direct current) / DC converter, a two-way DC / DC convertor digital control system, a positive inversing and reverse rectifier circuit, a motor drive digital control system, a two-way DC / DC circuit driving and protecting circuit, an inverter circuit driving and protecting circuit, a battery voltage detecting circuit, a battery current detecting circuit, a bus voltage detecting circuit and a motor current detecting circuit. A battery is connected with the two-way DC / DC convertor, so that the bus voltage of a motor driving circuit is adjusted to be a stable value, and the driving circuit drives a permanent magnet synchronous motor to run so as to drive the automobile; and the motor is in an electricity generation status when the automobile is braked, the motor driving circuit transmits the energy to a bus, and a microcontroller detects a brake signal and drives the two-way DC / DC convertor to feed the energy back to the battery. Furthermore, the characteristic and efficiency of the electromagnetic compatibility (EMC) of the power source can be improved.

A precoder for an effective channel linking a wireless receiver to a wireless transmitter includes a precoder report and a precoder update report, the effective channel including a propagation channel, transmit filters and receive filters. A structured frequency-selectivity of the effective channel is determined, the structured frequency-selectivity being induced by one or more long term and / or persistent parameters of the effective channel. The precoder update report is generated based on the structured frequency-selectivity. The precoder update report includes frequency-dependent phase compensation which accounts for the structured frequency-selectivity. The precoder report is generated for the effective channel based on channel state information determined for the effective channel. The precoder report and the precoder update report are transmitted to the wireless transmitter. The transmitter determines a transmission operation based on the precoder report and the precoder update report, and transmits data to the wireless receiver in accordance with the transmission operation.

The invention discloses an exercise training system of elderly type II diabetes on the basis of a Kinect sensor. The exercise training system mainly comprises a screening module, a learning module, an evaluation module and an interaction module. The exercise training system places emphasis on the rehabilitation training of the elderly type II diabetes, and provides a system which combines teaching and training into a whole, learning, evaluation and interaction are integrated, finally, each index of old people is measured, and corresponding feedback information is provided. Patients can learn relevant movements and correct own movements, and a new scoring system is provided. An old diabetes patient can learn and train at home according to own hobbies. A test displays that interestingness and compliance are good, the patient can quickly learn Kaimai shadowboxing through learning training and evaluation training, and the training of the Kaimai shadowboxing can be carried out through an interaction platform.

The invention belongs to the field of an artificial intelligence motion health management system, and particularly relates to a motion health data acquisition management prescription based on artificial intelligence, and a terminal service system. According to the motion health data acquisition management prescription, parameters at three aspects of environment, motion and physique of a user object are acquired through a data acquisition module; a background data analysis module performs automatic analysis on the acquired parameter data at three aspects of the user; a personalized motion prescription is generated through a motion plan generating module; and motion prescription management AI pushes the personalized motion prescription to a personal terminal in real time. The motion health data acquisition management prescription settles problems of single reference condition, incomprehensive data and incapability of effectively guiding body building of the user in the personalized motion prescription, and furthermore can supply a personalized terminal service. Through analyzing and quantifying more factors of different physique testing persons, a true and more effective personalizedscientific motion prescription can be generated. Optimization, analysis and information feedback are performed on the system through artificial intelligence technology, thereby improving interactionexperience between the user and the system.

The invention discloses a zincing thickness control system and method. Based on a feedforward plus feedback control structure, a neural network model is adopted to overcome the defect of low modeling accuracy in a traditional method, an integration-based varying lag time computing method and a time displacement offset correction technology are adopted to realize effective feedback of time varying large-lag measured information, and the difficulty of model mismatch caused by nonmeasurable external disturbance and operating point drift is overcome. The zincing thickness control system and method can be used for effectively overcoming the problems of large lag, nonlinearity and strong interference in a zincing production process and realizing automatic closed-loop control on plating thickness, thus achieving the effects of remarkably improving the product quality, reducing excessive zinc consumption, reducing switching time between products with different specifications, and the like.

The present invention proposes a multiuser multi-input multi-output scheduling method, which comprises steps of: a multiuser scheduling step of performing multiuser scheduling by using mean channel matrixes of respective user equipments; and a multiuser precoding step of performing multiuser precoding by using instantaneous channel matrixes of respective user equipments selected in the multiuser scheduling. The present invention also proposes a base station and a user equipment which will be used to implement the inventive multiuser multi-input multi-output scheduling method.

The invention relates to a auto components dimension quality control system and method for method comprising dividing components dimension quality supervising into lines side checking apparatus measuring control and off-line three coordinate measuring machine supervising. According to quality and control claim of product, the line side checking apparatus and off-line three coordinate measuring machine sample the product in different time and turn, detects the sample on detection apparatus or three coordinates checker and gather measuring data, analysis the measuring results and alarm in case of defect. The computer net device manages the defect components information found in data-handling procedure and provides to relative duty terminal. A plurality of terminals can be arranged in each zone in factory. The invention provides criterion for controlling and improving auto components dimension quality, is better than traditional method in efficiency and accuracy, and can efficiently evaluate, monitor and analysis the production chain state.

A method implemented in a user equipment (UE) used in an orthogonal frequency division multiple access (OFDMA) wireless communications system supporting coordinated multi-point (CoMP) joint transmission (JT) is disclosed. The method includes measuring reference signal received power (RSRP), transmitting, to a network, first feedback on the RSRP, receiving, from the network, a CoMP measurement set, conducting pre-scheduling CoMP UE fallback according to the CoMP measurement set, computing channel quality and direction information according to a UE category, and transmitting, to the network, second feedback on the channel quality and direction information. Other methods, apparatuses, and systems also are disclosed.