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Adam Wojciechowski
Lodz University of Technology
The InternetSystems engineeringComputer visionComputer scienceSoftware development
71Publications
10H-index
504Citations
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Publications 73
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#1Rafał Grycuk (Częstochowa University of Technology)H-Index: 7
#2Adam Wojciechowski (TUL: Lodz University of Technology)H-Index: 10
Last. Agnieszka Siwocha (ITI: Information Technology Institute)
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Last. Adam WojciechowskiH-Index: 10
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Modern technologies are increasingly used in the development of cognitive interventions for older adults. Research into possible applications of virtual reality in such interventions has begun only recently. The aim of present study was to evaluate the effects of 8 sessions of VR-based cognitive training using the GRADYS game in healthy older adults (n = 72; aged 60–88) and older adults living with mild dementia (n = 27; aged 60–89). Older adults with mild dementia demonstrated worse baseline co...
2 CitationsSource
#2Tadeusz PoredaH-Index: 3
Last. Adam WojciechowskiH-Index: 10
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Purpose The purpose of this paper is to apply recurrent neural networks (RNNs) and more specifically long-short term memory (LSTM)-based ones for mental task classification in terms of BCI systems. The authors have introduced novel LSTM-based multichannel architecture model which proved to be highly promising in other fields, yet was not used for mental tasks classification. Design/methodology/approach Validity of the multichannel LSTM-based solution was confronted with the results achieved by a...
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#2Sławomir OpałkaH-Index: 2
Last. Adam WojciechowskiH-Index: 10
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In this work a convolutional neural network is applied for classification of emotional speech. Two significantly different approaches to speech signal pre-processing are compared: traditional, based on frequency spectrum and time domain-based. In the first case, a mel-scale spectrogram of the sound signal is computed and used as a 2-dimensional input for the network, similarly as in image recognition tasks. In the second approach, raw sound signal in time domain is fed to the network. Despite th...
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#1Sławomir OpałkaH-Index: 2
Last. Adam WojciechowskiH-Index: 10
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4 CitationsSource
Sep 17, 2018 in ICCVG (International Conference on Computer Vision and Graphics)
Though reference image quality can be calculated with several, well established, comparison methods, images synthesizing light atmospheric scattering phenomenon require adequate evaluation approaches. Current metrics concentrate mainly on noise ratio, entropy or simple pixels correlation coefficients. Thus methods require images strict adequacy in structure and position of their components. On the other hand, light atmospheric scattering renders, synthesized with different methods, should concen...
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