Search Results for author: Hamidreza Mahyar

Found 14 papers, 2 papers with code

Deep Learning Approaches in Pavement Distress Identification: A Review

no code implementations1 Aug 2023 Sizhe Guan, Haolan Liu, Hamid R. Pourreza, Hamidreza Mahyar

This paper presents a comprehensive review of recent advancements in image processing and deep learning techniques for pavement distress detection and classification, a critical aspect in modern pavement management systems.

Management

MLGCN: An Ultra Efficient Graph Convolution Neural Model For 3D Point Cloud Analysis

no code implementations31 Mar 2023 Mohammad Khodadad, Morteza Rezanejad, Ali Shiraee Kasmaee, Kaleem Siddiqi, Dirk Walther, Hamidreza Mahyar

To address these limitations we introduce a novel Multi-level Graph Convolution Neural (MLGCN) model, which uses Graph Neural Networks (GNN) blocks to extract features from 3D point clouds at specific locality levels.

A Triplet-loss Dilated Residual Network for High-Resolution Representation Learning in Image Retrieval

no code implementations15 Mar 2023 Saeideh Yousefzadeh, Hamidreza Pourreza, Hamidreza Mahyar

Content-based image retrieval is the process of retrieving a subset of images from an extensive image gallery based on visual contents, such as color, shape or spatial relations, and texture.

Content-Based Image Retrieval Representation Learning +1

Contour Completion using Deep Structural Priors

no code implementations9 Feb 2023 Ali Shiraee, Morteza Rezanejad, Mohammad Khodadad, Dirk B. Walther, Hamidreza Mahyar

We introduce an iterative process that completes an incomplete image and we propose novel measures that guide this to find regions it needs to complete.

D-CryptO: Deep learning-based analysis of colon organoid morphology from brightfield images

no code implementations12 Oct 2022 Lyan Abdul, Jocelyn Xu, Alexander Sotra, Abbas Chaudary, Jerry Gao, Shravanthi Rajasekar, Nicky Anvari, Hamidreza Mahyar, Boyang Zhang

With D-CryptO, subtle variations in how colon organoids responded to the different chemotherapeutic drugs were detected, which suggest potentially distinct mechanisms of action.

Morphological Analysis

Deep Learning Approaches on Image Captioning: A Review

no code implementations31 Jan 2022 Taraneh Ghandi, Hamidreza Pourreza, Hamidreza Mahyar

Image captioning is a research area of immense importance, aiming to generate natural language descriptions for visual content in the form of still images.

Caption Generation Hallucination +1

SMGRL: Scalable Multi-resolution Graph Representation Learning

1 code implementation29 Jan 2022 Reza Namazi, Elahe Ghalebi, Sinead Williamson, Hamidreza Mahyar

The resulting multi-resolution embeddings can be aggregated to yield high-quality node embeddings that capture both long- and short-range dependencies.

Graph Representation Learning Node Classification

Multiple Sclerosis Lesions Segmentation using Attention-Based CNNs in FLAIR Images

no code implementations5 Jan 2022 Mehdi SadeghiBakhi, Hamidreza Pourreza, Hamidreza Mahyar

Experimental results illustrate that the proposed approach significantly surpasses existing methods in terms of Dice similarity and Absolute Volume Difference while the proposed method use just one modality (FLAIR) to segment the lesions.

Medial Spectral Coordinates for 3D Shape Analysis

no code implementations CVPR 2022 Morteza Rezanejad, Mohammad Khodadad, Hamidreza Mahyar, Herve Lombaert, Michael Gruninger, Dirk B. Walther, Kaleem Siddiqi

In recent years there has been a resurgence of interest in our community in the shape analysis of 3D objects represented by surface meshes, their voxelized interiors, or surface point clouds.

Autonomous Driving Object

A Nonparametric Bayesian Model for Sparse Dynamic Multigraphs

no code implementations11 Oct 2019 Elahe Ghalebi, Hamidreza Mahyar, Radu Grosu, Graham W. Taylor, Sinead A. Williamson

As the availability and importance of temporal interaction data--such as email communication--increases, it becomes increasingly important to understand the underlying structure that underpins these interactions.

Clustering

A Matrix Factorization Model for Hellinger-based Trust Management in Social Internet of Things

no code implementations26 Sep 2019 Soroush Aalibagi, Hamidreza Mahyar, Ali Movaghar, H. Eugene Stanley

We model the SIoT with a flexible bipartite graph (containing two sets of nodes: service providers and service requestors), then build a social network among the service requestor nodes, using the Hellinger distance.

Management

Compressive Closeness in Networks

1 code implementation19 Jun 2019 Hamidreza Mahyar, Rouzbeh Hasheminezhad, H. Eugene Stanley

In such algorithms, a node is allowed only to have local interactions with its immediate neighbors.

Compressive Sensing

Sequential Edge Clustering in Temporal Multigraphs

no code implementations28 May 2019 Elahe Ghalebi, Hamidreza Mahyar, Radu Grosu, Graham W. Taylor, Sinead A. Williamson

Interaction graphs, such as those recording emails between individuals or transactions between institutions, tend to be sparse yet structured, and often grow in an unbounded manner.

Clustering

Extracting Implicit Social Relation for Social Recommendation Techniques in User Rating Prediction

no code implementations5 Dec 2016 Seyed Mohammad Taheri, Hamidreza Mahyar, Mohammad Firouzi, Elahe Ghalebi K., Radu Grosu, Ali Movaghar

Hence, we build our method, called Hell-TrustSVD, on top of the state-of-the-art social recommendation technique to incorporate both the extracted implicit social relations and ratings given by users on the prediction of items for an active user.

Recommendation Systems Relation +1

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