Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Vahid Hajihashemi"'
Autor:
Maryam Jalali, Morteza Zahedi, Abdorreza Alavi Gharahbagh, Vahid Hajihashemi, José J. M. Machado, João Manuel R. S. Tavares
Publikováno v:
Information, Vol 15, Iss 9, p 513 (2024)
Many text mining methods use statistical information as a text- and language-independent approach for sentiment analysis. However, text mining methods based on stochastic patterns and rules require many samples for training. On the other hand, determ
Externí odkaz:
https://doaj.org/article/bb8a56255db340779662d5819559b77d
Publikováno v:
Bioengineering, Vol 11, Iss 3, p 220 (2024)
Kidney disease remains one of the most common ailments worldwide, with cancer being one of its most common forms. Early diagnosis can significantly increase the good prognosis for the patient. The development of an artificial intelligence-based syste
Externí odkaz:
https://doaj.org/article/ccc7c42ca4d4460c97b9066f73590a0b
Publikováno v:
Information, Vol 14, Iss 11, p 616 (2023)
In this article, a hierarchical method for action recognition based on temporal and spatial features is proposed. In current HAR methods, camera movement, sensor movement, sudden scene changes, and scene movement can increase motion feature errors an
Externí odkaz:
https://doaj.org/article/c354f77c2649415ba73cef7ac51628b8
Autor:
Ali Harimi, Yahya Majd, Abdorreza Alavi Gharahbagh, Vahid Hajihashemi, Zeynab Esmaileyan, José J. M. Machado, João Manuel R. S. Tavares
Publikováno v:
Sensors, Vol 22, Iss 24, p 9569 (2022)
Heart sounds convey important information regarding potential heart diseases. Currently, heart sound classification attracts many researchers from the fields of telemedicine, digital signal processing, and machine learning—among others—mainly to
Externí odkaz:
https://doaj.org/article/9b7c9019ccb84746aa589386baf0e45e
Autor:
Abdorreza Alavi Gharahbagh, Vahid Hajihashemi, Marta Campos Ferreira, José J. M. Machado, João Manuel R. S. Tavares
Publikováno v:
Applied Sciences, Vol 12, Iss 4, p 1830 (2022)
In recent years, with the growth of digital media and modern imaging equipment, the use of video processing algorithms and semantic film and image management has expanded. The usage of different video datasets in training artificial intelligence algo
Externí odkaz:
https://doaj.org/article/6a0cbc2e051845d1a73f868b1781f376
Autor:
Vahid Hajihashemi, Abdorreza Alavi Gharahbagh, Pedro Miguel Cruz, Marta Campos Ferreira, José J. M. Machado, João Manuel R. S. Tavares
Publikováno v:
Sensors, Vol 22, Iss 4, p 1535 (2022)
The analysis of ambient sounds can be very useful when developing sound base intelligent systems. Acoustic scene classification (ASC) is defined as identifying the area of a recorded sound or clip among some predefined scenes. ASC has huge potential
Externí odkaz:
https://doaj.org/article/e6cd1177e9344346bbb73667fb337b26
Publikováno v:
EAI Endorsed Transactions on Context-aware Systems and Applications, Vol 6, Iss 16 (2019)
Liver Disease is one of the most common diseases which can be prevented by early diagnosis and up-todate treatment. Advances in machine learning and intelligence techniques have led to the effective diagnosis and prediction of diseases to improve th
Externí odkaz:
https://doaj.org/article/bac0bf0c86e54c5f99a2a3e6e6f7f609
Autor:
Ali Pour Ahmadiyan, Ahmad Arabkoohsar, Nick AuYeung, Guodong Chen, Shang Chen, João Manuel Ribeiro da Silva Tavares, Maziar Dehghan, Abdorreza Alavi Gharahbagh, Mahsa Ghasemizadeh, Ehsan Gholamian, Ehsan Gholamyankarkon, Vahid Hajihashemi, Like Li, J. Jay Liu, Mohammad Hossein Nabat, Ali Pourahmadiyan, Abolfazl Pourrajabian, Hamid Reza Rahbari, Saeed Rahgozar, Kelvin Randhir, Saman Rashidi, Amir Reza Razmi, Ramin Roushenas, Meisam Sadi, Mahdi Shahbakhti, Shakiba Sharifi, Abhishek Kumar Singh, Tong Zhu
Publikováno v:
Future Grid-Scale Energy Storage Solutions ISBN: 9780323907866
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7e04db5cceb374767a7af28bccef860
https://doi.org/10.1016/b978-0-323-90786-6.00022-4
https://doi.org/10.1016/b978-0-323-90786-6.00022-4
Autor:
Abdorreza Alavi Gharahbagh, Vahid Hajihashemi, João Manuel Ribeiro da Silva Tavares, Meisam Sadi, Abhishek Kumar Singh, Ahmad Arabkoohsar
Publikováno v:
Future Grid-Scale Energy Storage Solutions ISBN: 9780323907866
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2caa065086e4b73cb7ca07ee523adf5b
https://doi.org/10.1016/b978-0-323-90786-6.00012-1
https://doi.org/10.1016/b978-0-323-90786-6.00012-1
Novel Time-Frequency Based Scheme for Detecting Sound Events from Sound Background in Audio Segments
Autor:
Vahid Hajihashemi, Abdorreza Alavigharahbagh, Hugo S. Oliveira, Pedro Cruz, João Manuel R. S. Tavares
Usually, Sound event detection systems that classify different events from sound data have two main blocks. In the first block, sound events are separated from sound background and in next block, different events are classified. In recent years, this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______1406::059f4f90c3560d9582c860de2855f2be
https://hdl.handle.net/10216/140823
https://hdl.handle.net/10216/140823