An improved genetic algorithm with a local optimization strategy and an extra mutation level for solving traveling salesman problem. - Keivan Borna; Vahid Haji Hashemi (CoRR, 2014)

Perceptual evaluation of speckle noise reduction techniques for phase shifting holograms. - Elsa Susana Reis Fonseca; Paulo Torrão Fiadeiro; Vahid Hajihashemi; Marco V. Bernardo; António M. G. Pinheiro; Manuela Pereira (QoMEX, 2019)

Hybrid Algorithms of Whale optimization algorithm and k-nearest neighbor to Predict the liver disease. - Vahid Hajihashemi; Zeinab Hassani; Iman Sahraei Dehmajnoonie; Keivan Borna (EAI Endorsed Trans. Context aware Syst. Appl., 2019)

Novel Time-Frequency Based Scheme for Detecting Sound Events from Sound Background in Audio Segments. - Vahid Hajihashemi; Abdorreza Alavi Gharahbagh; Hugo S. Oliveira; Pedro Miguel Cruz; João Manuel R. S. Tavares (CIARP, 2021)

A novel high-efficiency holography image compression method, based on HEVC, Wavelet, and nearest-neighbor interpolation. - Vahid Hajihashemi; Hamid Esmaeili Najafabadi; Abdorreza Alavi Gharahbagh; Henry Leung; Mahdi Yousefan; João Manuel R. S. Tavares (Multim. Tools Appl., 2021)

Deep anomaly detection in hyperspectral images based on membership maps and object area filtering. - Mahdi Yousefan; Hamid Esmaeili Najafabadi; Hossein Amirkhani; Henry Leung; Vahid Hajihashemi (Expert Syst. Appl., 2022)

Binaural Acoustic Scene Classification Using Wavelet Scattering, Parallel Ensemble Classifiers and Nonlinear Fusion. - Vahid Hajihashemi; Abdorreza Alavi Gharahbagh; Pedro Miguel Cruz; Marta Campos Ferreira; José J. M. Machado; João Manuel R. S. Tavares (Sensors, 2022)

Classification of Heart Sounds Using Chaogram Transform and Deep Convolutional Neural Network Transfer Learning. - Ali Harimi; Yahya Majd; Abdorreza Alavi Gharahbagh; Vahid Hajihashemi; Zeynab Esmaileyan; José J. M. Machado; João Manuel R. S. Tavares (Sensors, 2022)

Camera Movement Cancellation in Video Using Phase Congruency and an FFT-Based Technique. - Abdorreza Alavi Gharahbagh; Vahid Hajihashemi; José J. M. Machado; João Manuel R. S. Tavares (WorldCIST (4), 2023)

Audio Event Detection Based on Cross Correlation in Selected Frequency Bands of Spectrogram. - Vahid Hajihashemi; Abdorreza Alavi Gharahbagh; José J. M. Machado; João Manuel R. S. Tavares (WorldCIST (4), 2023)

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. - Abdorreza Alavi Gharahbagh; Vahid Hajihashemi; José J. M. Machado; João Manuel R. S. Tavares (Inf., 2023)

A Hierarchical modified AV1 codec for compression cartesian form of holograms in holo and object planes. - Vahid Hajihashemi; Abdorreza Alavi Gharahbagh; Azam Bastanfard; Hugo S. Oliveira; Gonçalo Almeida; Zhen Ma; João Manuel R. S. Tavares (Multim. Tools Appl., 2023)

A Hybrid Hierarchical Mathematical Heuristic Solution of Sparse Algebraic Equations in Sentiment Analysis. - Maryam Jalali; Morteza Zahedi; Abdorreza Alavi Gharahbagh; Vahid Hajihashemi; José J. M. Machado; João Manuel R. S. Tavares (Inf., 2024)

Hybrid time-spatial video saliency detection method to enhance human action recognition systems. - Abdorreza Alavi Gharahbagh; Vahid Hajihashemi; Marta Campos Ferreira; José J. M. Machado; João Manuel R. S. Tavares (Multim. Tools Appl., 2024)

Novel sound event and sound activity detection framework based on intrinsic mode functions and deep learning. - Vahid Hajihashemi; Abdorreza Alavi Gharahbagh; José J. M. Machado; João Manuel R. S. Tavares (Multim. Tools Appl., 2025)