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5 results about "Recurrent neural network" patented technology

A recurrent neural network (RNN) is a class of artificial neural networks where connections between nodes form a directed graph along a temporal sequence. This allows it to exhibit temporal dynamic behavior. Unlike feedforward neural networks, RNNs can use their internal state (memory) to process sequences of inputs. This makes them applicable to tasks such as unsegmented, connected handwriting recognition or speech recognition.

Viewpoint adjustment-based graph convolution cycle network skeleton action recognition method and system

ActiveCN111339942ASolve the problem of viewing angleRealize modelingBiometric pattern recognitionNeural architecturesTime informationSkeletal movement
The invention provides a viewpoint adjustment-based graph convolution loop network skeleton action recognition method and system, relates to the technical field of action recognition, and solves the problem of recognition accuracy reduction caused by different observation visual angles. Utilizing the trained graph convolution recurrent neural network, and taking the preprocessed data as input to obtain spatiotemporal information of the bone data; a Softmax function is adopted, the obtained space-time information serves as input, and a skeletal movement classification result is obtained; the method integrates the advantages of the graph convolution network and the cyclic network, achieves the modeling of the time and space information of the skeleton data, can further improve the accuracy of movement recognition on the basis of an LSTM network movement recognition method, is universal in behavior recognition based on a skeleton data set, and is wide in application prospect.
Owner:SHANDONG UNIV

Brain cognitive process simulation method based on convolutional recurrent neural network

ActiveCN111783942AEfficient identificationStrong explainabilityCharacter and pattern recognitionNeural architecturesHuman bodyData set
The invention relates to a brain cognitive process simulation method based on a convolutional recurrent neural network, and the method comprises the following steps: (1) enabling a testee to carry outthe testing according to a preset experimental paradigm flow, and synchronously collecting the multichannel electroencephalogram signal data of the testee; (2) performing effective component extraction on the acquired original electroencephalogram signal; (3) determining electroencephalogram efficient characteristics under related stimulation; (4) constructing a dual-channel detection model, andobtaining a fusion feature map extracted under the related stimulation; (5) constructing a regional recommendation network and a regression network; (6) taking the constructed dual-channel detection model, the constructed regional recommendation network and the constructed regression network as a brain cognitive model; forming a training data set by the related stimulation in the step (1) and theelectroencephalogram efficient characteristics determined in the step (3), training a brain cognitive model, and approximating the cognitive relationship between related stimulation signals and electroencephalogram signals, so as to simulate the processing capacity of a human body to the related stimulation.
Owner:BEIJING AEROSPACE AUTOMATIC CONTROL RES INST

Zinc flotation working condition identification method based on long-time-history depth features

The invention discloses a zinc flotation working condition identification method based on long-time-history depth features, and the method comprises the following steps: firstly, employing a 3D convolutional network as a basic network, and simulating an optical flow network through a knowledge distillation method by employing a part of structure of an RGB flow network, so that the RGB flow network can learn the motion information of the optical flow without extracting the optical flow during testing; segmenting a single video, performing frame-level feature extraction on each segment by using a trained RGB flow network, and inputting the extracted frame-level features of each segment into an LSTM network to further extract video-level global spatial-temporal features; and supplementing a 2D convolutional network for the network to extract supplemented appearance features, splicing the global spatial-temporal features and the enhanced appearance features together, and inputting the spliced features into a multi-layer perceptron to carry out final working condition identification. According to the invention, the advantages of the convolutional neural network and the recurrent neural network are combined, and the zinc flotation working condition can be quickly and accurately identified, so that dosing is effectively guided.
Owner:CENT SOUTH UNIV
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