36 results about "Cognitive technology" patented technology

Provided is a wireless communication system between medical devices. A wireless communication apparatus between medical devices using a cognitive technology may receive, from an external frequency coordination database server, state information of frequencies that are available in a predetermined area, and store interference information associated with the frequencies. The communication apparatus may sense an external interference signal that affects the frequencies outside the predetermined area, and an internal interference signal that affects the frequencies within the predetermined area. The communication apparatus may determine a priority of each of the frequencies that are available in the predetermined area based on the interference information, the external interference signal, and the internal interference signal, and may determine a frequency to be assigned based on the priority.

The invention discloses an Internet of things (IOT) method based on a cognitive technology. In the method, a monitoring layer, a decision layer and a control layer are utilized, wherein the monitoring layer collects and processes the network layer information of the IOT; the decision layer makes a decision according to the information provided by the monitoring layer, a corresponding decision is directly used if a matched decision exists in the decision layer, and otherwise, a machine learning method is used for obtaining a new strategy; the control layer takes the corresponding action according to the decision made by the decision layer, and controls in a mode of terminal path synergy; and only a terminal in the network is adjusted. In the IOT method, a cognitive plane is added in the network layer of the traditional IOT so as to optimize the structure of the network layer, thus alleviatiing the problem of network congestion and the like in the traditional network. The cognitive plane is divided into the monitoring layer, the intelligent decision layer and the control layer. In the framework, the real-time state information of the network is circulated in the cognitive plane and the network layer of the IOT so as to guarantee the QoS (quality of service) of the network.

The invention provides distributed cognitive technology for an intelligent emotional robot, which can be applied in the field of multi-channel human-computer interaction in service robots, household robots, and the like. In a human-computer interaction process, the multi-channel cognition for the environment and people is distributed so that the interaction is more harmonious and natural. The distributed cognitive technology comprises four parts, namely 1) a language comprehension module which endows a robot with an ability of understanding human language after the steps of word division, word gender labeling, key word acquisition, and the like; 2) a vision comprehension module which comprises related vision functions such as face detection, feature extraction, feature identification, human behavior comprehension, and the like; 3) an emotion cognition module which extracts related information in language, expression and touch, analyzes user emotion contained in the information, synthesizes a comparatively accurate emotion state, and makes the intelligent emotional robot cognize the current emotion of a user; and 4) a physical quantity cognition module which makes the robot understand the environment and self state as the basis of self adjustment.

The invention discloses a cognitive blind equalization method for radar channel amplitude and phase correction. The method comprises: a calibration signal is sent to a blind equalizer; an output signal of the blind equalizer is transmitted to a selection switch; a plurality of related parameters of a convergence characteristic of the blind equalizer are monitored and a signal after equalization processing is outputted when the equalization process of the blind equalizer is normal; and when the equalization process of the blind equalizer is abnormal, equalization processing is not carried out and the signal is delayed and then is outputted. The blind equalizer employs several kinds of cognitive technologies for monitoring and whether the blind equalizer is normal is monitored by multiple parameters, thereby guaranteeing reliability of usage of the blind equalizer. According to the invention, closed-loop equalization of a digital array radar in a digital transmitting-receiving assembly is realized and data downloading and equalization coefficient returning are not required. Meanwhile, a cognitive method for a mean square error and weight coefficient vector monitoring is introduced, so that convergence reliability of the constant-modulus blind equalization method is improved and thus reliability of hundreds of radar channel equalizers of the digital array radar can be guaranteed.

An embodiment of the present application provides a voice matching method in a multi-person scene, including: dividing the audio to be matched into multiple sound segments; performing voice recognition on the sound segments to obtain the voice segments in the sound segments; and obtaining the video corresponding to the voice segments Segment; Face detection is performed on the video segment to obtain all predicted speakers of the voice segment; according to the pixel difference of adjacent gray-scale frames in the video segment, the hit information of each predicted speaker in the adjacent gray-scale frame is obtained; according to The hit information counts the number of hits of each predicted speaker in the video segment, and the predicted speaker with the largest number of hits is the target speaker of the speech segment. The present application realizes the automatic binding of the voice to the target speaker, which can greatly reduce the workload of subsequent manual matching of the voice and the target speaker, and is conducive to promoting the practical application of audio-visual cognition technology.

The invention provides a method for reducing long term evolution (LTE) radio communication system cell interference by using a cognitive technology. The method comprises the following steps of: 1, setting a threshold value for dividing users in the cell into centre users and edge users; 2, configuring frequency resources for the users in the cell of the base station according to the preset initial frequency resource allocation rule by each base station; 3, judging the type of user equipment (UE) of the service which the newly added cell prepares for initiating according to a threshold value; 4, according to a judged result in 3, allocating frequency resources for the newly added UE according to a second preset frequency resource allocation rule by each base station; or allowing the newly added UE to independently select a usable spectrum for communication by using the cognitive technology; and 5, allocating power resources for the cell according to the UE type configured to each frequency resource. The technical scheme provided by the invention enables the frequency resources used in each cell to realize distribution according to needs and to dynamically change along with the change of the cell load. The cell resource is fully utilized, the interference coordination is effectively realized, and the spectrum utilization rate is improved.

The invention discloses a heterogeneous network energy saving method. The method comprises the steps as follows: a macro base station user determines whether HeNB (Home evolved NodeB) is accessed or not according to the quality of a signal; when the signal-noise ratio of the HeNB is larger than or equal to that of the macro base station, the HeNB is accessed, if not, the HeNB is not accessed; and after the HeNB is accessed into the macro base station, macro base station transmitting power and accessed HeNB transmitting power, and the minimum value of the transmitting power of the macro base station is reserved to ensure the service quality. According to the invention, firstly, pricing technology is used for exciting the HeNB to receive the user of the macro base station, thereby offering better service for users located in special positions and enlarging the throughput capacity of a system; in addition, interference between the macro base station and the HeNB, and HeNBs is lowered via distributed power control, so as to achieve the maximization of the energy efficiency of the system; and lastly, owing to the reduction of the transmitting power of the macro base station, energy conversation is realized, and the operation cost of operators is lowered.

The invention discloses a cognitive-technology-based video data synthesis method which belongs to the field of fault diagnosis systems of automatic systems. The method comprises the following steps of: (1) checking whether the line of a video monitoring system is normal or not; (2) carrying out data encryption and storing encrypted data into a data server of the video monitoring system; (3) implementing the positioning and the integration of video data and article electronic tag data; and (4) generating a text signal for specific characters requiring overlying in the video monitoring system by utilizing a corresponding relation of the video data and the article electronic tag data which are generated in the step (3) as well as temperature and humidity data, and meanwhile, finding the recorded text signal of the image in the data server of the video monitoring system; and comparing the two text signals. The method has the advantages of implementing the association of the video data and the data requiring overlaying, implementing data fake prevention, judging whether the line has unexpected cases or not and monitoring whether the work of monitoring flow operation staff is formal or not.

The invention belongs to the cognitive technical field of brain science, and specifically relates to a near-infrared spectrum detection method for ambient light modulation of brain cognitive function. The method of the present invention uses functional near-infrared spectroscopy technology, combined with the classic paradigm Stroop of cognitive behavioral psychology, to explore the impact of environmental light changes on the cognitive function of the human brain, aiming at the frontal lobe region of the brain that has a strong correlation with the cognitive function of the human brain. Including designing the experimental environment, designing the psychological Stroop experimental stimulus rules, designing the experimental process, building the experimental system, and configuring the detection channel; using the Stroop psychological test method combined with functional near-infrared spectroscopy for testing; finally, fNIRS data processing; Images of brain activation regions under different lighting conditions, and through the t test, the brain region channels with significant differences (P<0.05) under different lighting conditions were obtained, which proved that the channels were activated due to changes in ambient light.

A power line communication method based on a channel cognitive technology comprises: performing cognition on a power line channel and obtaining a channel model; according to the obtained channel model, determining configuration parameters of a communication device; according to the determined configuration parameters, configuring a communication transceiver in the communication device; performing data transmission through the communication device configured with the configuration parameters. Compared with the prior art, the present invention can configure configuration parameters of the communication transceiver in the power line communication device, so as to make the whole power line communication system work in a most suitable state, thereby improving the reliability, stability, and communication rate of power line communication, and meanwhile improving the spectrum utilization and the power utilization.