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Touch Modality Classification Using Recurrent Neural Networks
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DOI：10.1109/JSEN.2021.3055565.png)
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摘要
En 中文
Recurrent Neural Networks (RNNs) are mainly designed to deal with sequence prediction problems and they show their effectiveness in processing data originally represented as time series. This paper investigates the time series characteristics of RNNs to classify touch modalities represented as spatio temporal 3D tensor data. Different approaches are followed in order to propose efficient RNN models aimed at tactile data classification. The main idea is to capture long-term dependence from data that can be used to deal with long sequences represented by employing Gated Recurrent Unit (GRU) and Long Short-Term Memory (LSTM) architectures. Moreover, a case specific approach to dataset organization of the 3D tensor data is presented. The target is to provide efficient hardware-friendly touch modality classification approaches suitable for embedded applications. To this end, the proposed work achieves effective performance in terms of hardware complexity by reducing the FLOPS by 99.98 and the memory storage by 98.34, with respect to the state-of-art solutions on the same benchmark dataset. This directly affects the time latency and energy consumption of the embedded hardware. Besides, the implemented models shows a classification accuracy higher than those state-of-art solutions. Results demonstrate that the proposed computing architecture is scalable showing acceptable complexity when the system is scaled up in terms of input matrix size and number of classes to be recognized.
Keyword:
Sensors
Sensor arrays
Tactile sensors
Feature extraction
Recurrent neural networks
Complexity theory
Hardware
Tactile sensing systems
recurrent neural network
deep learning
tactile data classification
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期刊
IF:
4.5
论文数:
2.2W
被引数:
7.3W
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