Search Results for author: Afshin Bozorgpour

Found 13 papers, 10 papers with code

MSA$^2$Net: Multi-scale Adaptive Attention-guided Network for Medical Image Segmentation

1 code implementation31 Jul 2024 Sina Ghorbani Kolahi, Seyed Kamal Chaharsooghi, Toktam Khatibi, Afshin Bozorgpour, Reza Azad, Moein Heidari, Ilker Hacihaliloglu, Dorit Merhof

Medical image segmentation involves identifying and separating object instances in a medical image to delineate various tissues and structures, a task complicated by the significant variations in size, shape, and density of these features.

Decoder Image Segmentation +3

Physics-Inspired Generative Models in Medical Imaging: A Review

no code implementations15 Jul 2024 Dennis Hein, Afshin Bozorgpour, Dorit Merhof, Ge Wang

Physics-inspired Generative Models (GMs), in particular Diffusion Models (DMs) and Poisson Flow Models (PFMs), enhance Bayesian methods and promise great utility in medical imaging.

Denoising Image Generation +1

Computation-Efficient Era: A Comprehensive Survey of State Space Models in Medical Image Analysis

1 code implementation5 Jun 2024 Moein Heidari, Sina Ghorbani Kolahi, Sanaz Karimijafarbigloo, Bobby Azad, Afshin Bozorgpour, Soheila Hatami, Reza Azad, Ali Diba, Ulas Bagci, Dorit Merhof, Ilker Hacihaliloglu

State Space Models (SSMs), specifically the \textit{\textbf{Mamba}} model with selection mechanisms and hardware-aware architecture, have garnered immense interest lately in sequential modeling and visual representation learning, challenging the dominance of transformers by providing infinite context lengths and offering substantial efficiency maintaining linear complexity in the input sequence.

Mamba Medical Image Analysis +3

LHU-Net: A Light Hybrid U-Net for Cost-Efficient, High-Performance Volumetric Medical Image Segmentation

1 code implementation7 Apr 2024 Yousef Sadegheih, Afshin Bozorgpour, Pratibha Kumari, Reza Azad, Dorit Merhof

The rise of Transformer architectures has revolutionized medical image segmentation, leading to hybrid models that combine Convolutional Neural Networks (CNNs) and Transformers for enhanced accuracy.

Computational Efficiency Image Segmentation +3

Enhancing Efficiency in Vision Transformer Networks: Design Techniques and Insights

no code implementations28 Mar 2024 Moein Heidari, Reza Azad, Sina Ghorbani Kolahi, René Arimond, Leon Niggemeier, Alaa Sulaiman, Afshin Bozorgpour, Ehsan Khodapanah Aghdam, Amirhossein Kazerouni, Ilker Hacihaliloglu, Dorit Merhof

Intrigued by the inherent ability of the human visual system to identify salient regions in complex scenes, attention mechanisms have been seamlessly integrated into various Computer Vision (CV) tasks.

Continual Learning in Medical Image Analysis: A Comprehensive Review of Recent Advancements and Future Prospects

no code implementations28 Dec 2023 Pratibha Kumari, Joohi Chauhan, Afshin Bozorgpour, Boqiang Huang, Reza Azad, Dorit Merhof

Medical imaging analysis has witnessed remarkable advancements even surpassing human-level performance in recent years, driven by the rapid development of advanced deep-learning algorithms.

Continual Learning Medical Image Analysis

Foundational Models in Medical Imaging: A Comprehensive Survey and Future Vision

1 code implementation28 Oct 2023 Bobby Azad, Reza Azad, Sania Eskandari, Afshin Bozorgpour, Amirhossein Kazerouni, Islem Rekik, Dorit Merhof

Foundation models, large-scale, pre-trained deep-learning models adapted to a wide range of downstream tasks have gained significant interest lately in various deep-learning problems undergoing a paradigm shift with the rise of these models.

Unlocking Fine-Grained Details with Wavelet-based High-Frequency Enhancement in Transformers

2 code implementations25 Aug 2023 Reza Azad, Amirhossein Kazerouni, Alaa Sulaiman, Afshin Bozorgpour, Ehsan Khodapanah Aghdam, Abin Jose, Dorit Merhof

Furthermore, to intensify the importance of the boundary information, we impose an additional attention map by creating a Gaussian pyramid on top of the HF components.

Decoder Image Segmentation +4

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