Vahid Hajihashemi

Publication Activity (10 Years)

Years Active: 2019-2023
Publications (10 Years): 11

Top Topics

Hybrid Algorithm

Nearest Neighbor

Hyperspectral Images

Camera Movement

Top Venues

Multim. Tools Appl.

Publications

Vahid Hajihashemi, Abdorreza Alavi Gharahbagh, Azam Bastanfard, Hugo S. Oliveira, Gonçalo Almeida, Zhen Ma, João Manuel R. S. Tavares
A Hierarchical modified AV1 codec for compression cartesian form of holograms in holo and object planes. Multim. Tools Appl. 82 (6) (2023)
Abdorreza Alavi Gharahbagh, Vahid Hajihashemi, José J. M. Machado, João Manuel R. S. Tavares
Deep Learning Approach for Human Action Recognition Using a Time Saliency Map Based on Motion Features Considering Camera Movement and Shot in Video Image Sequences. Inf. 14 (11) (2023)
Abdorreza Alavi Gharahbagh, Vahid Hajihashemi, José J. M. Machado, João Manuel R. S. Tavares
Camera Movement Cancellation in Video Using Phase Congruency and an FFT-Based Technique. WorldCIST (4) (2023)
Vahid Hajihashemi, Abdorreza Alavi Gharahbagh, José J. M. Machado, João Manuel R. S. Tavares
Audio Event Detection Based on Cross Correlation in Selected Frequency Bands of Spectrogram. WorldCIST (4) (2023)
Vahid Hajihashemi, Abdorreza Alavi Gharahbagh, Pedro Miguel Cruz, Marta Campos Ferreira, José J. M. Machado, João Manuel R. S. Tavares
Binaural Acoustic Scene Classification Using Wavelet Scattering, Parallel Ensemble Classifiers and Nonlinear Fusion. Sensors 22 (4) (2022)
Ali Harimi, Yahya Majd, Abdorreza Alavi Gharahbagh, Vahid Hajihashemi, Zeynab Esmaileyan, José J. M. Machado, João Manuel R. S. Tavares
Classification of Heart Sounds Using Chaogram Transform and Deep Convolutional Neural Network Transfer Learning. Sensors 22 (24) (2022)
Mahdi Yousefan, Hamid Esmaeili Najafabadi, Hossein Amirkhani, Henry Leung, Vahid Hajihashemi
Deep anomaly detection in hyperspectral images based on membership maps and object area filtering. Expert Syst. Appl. 191 (2022)
Vahid Hajihashemi, Hamid Esmaeili Najafabadi, Abdorreza Alavi Gharahbagh, Henry Leung, Mahdi Yousefan, João Manuel R. S. Tavares
A novel high-efficiency holography image compression method, based on HEVC, Wavelet, and nearest-neighbor interpolation. Multim. Tools Appl. 80 (21) (2021)
Vahid Hajihashemi, Abdorreza Alavi Gharahbagh, Hugo S. Oliveira, Pedro Miguel Cruz, João Manuel R. S. Tavares
Novel Time-Frequency Based Scheme for Detecting Sound Events from Sound Background in Audio Segments. CIARP (2021)
Vahid Hajihashemi, Zeinab Hassani, Iman Sahraei Dehmajnoonie, Keivan Borna
Hybrid Algorithms of Whale optimization algorithm and k-nearest neighbor to Predict the liver disease. EAI Endorsed Trans. Context aware Syst. Appl. 6 (16) (2019)
Elsa S. R. Fonseca, Paulo Torrão Fiadeiro, Vahid Hajihashemi, Marco V. Bernardo, António M. G. Pinheiro, Manuela Pereira
Perceptual evaluation of speckle noise reduction techniques for phase shifting holograms. QoMEX (2019)