Search Results for author: Mahdi S. Hosseini

Found 22 papers, 16 papers with code

Pseudo-Inverted Bottleneck Convolution for DARTS Search Space

1 code implementation31 Dec 2022 Arash Ahmadian, Louis S. P. Liu, Yue Fei, Konstantinos N. Plataniotis, Mahdi S. Hosseini

Our proposed architecture is much less sensitive to evaluation layer count and outperforms a DARTS network with similar size significantly, at layer counts as small as 2.

Neural Architecture Search

Exploiting Explainable Metrics for Augmented SGD

2 code implementations CVPR 2022 Mahdi S. Hosseini, Mathieu Tuli, Konstantinos N. Plataniotis

In this paper, we address the following question: \textit{can we probe intermediate layers of a deep neural network to identify and quantify the learning quality of each layer?}

Stochastic Optimization

HistoKT: Cross Knowledge Transfer in Computational Pathology

1 code implementation27 Jan 2022 Ryan Zhang, Jiadai Zhu, Stephen Yang, Mahdi S. Hosseini, Angelo Genovese, Lina Chen, Corwyn Rowsell, Savvas Damaskinos, Sonal Varma, Konstantinos N. Plataniotis

In this paper, we take a data-centric approach to the transfer learning problem and examine the existence of generalizable knowledge between histopathological datasets.

Transfer Learning

Towards Robust and Automatic Hyper-Parameter Tunning

1 code implementation28 Nov 2021 Mathieu Tuli, Mahdi S. Hosseini, Konstantinos N. Plataniotis

In this work, we introduce a new class of HPO method and explore how the low-rank factorization of the convolutional weights of intermediate layers of a convolutional neural network can be used to define an analytical response surface for optimizing hyper-parameters, using only training data.

Bayesian Optimization

P4AI: Approaching AI Ethics through Principlism

no code implementations28 Nov 2021 Andre Fu, Elisa Ding, Mahdi S. Hosseini, Konstantinos N. Plataniotis

The field of computer vision is rapidly evolving, particularly in the context of new methods of neural architecture design.

Ethics

In Search of Probeable Generalization Measures

1 code implementation23 Oct 2021 Jonathan Jaegerman, Khalil Damouni, Mahdi S. Hosseini, Konstantinos N. Plataniotis

Understanding the generalization behaviour of deep neural networks is a topic of recent interest that has driven the production of many studies, notably the development and evaluation of generalization "explainability" measures that quantify model generalization ability.

CONetV2: Efficient Auto-Channel Size Optimization for CNNs

1 code implementation13 Oct 2021 Yi Ru Wang, Samir Khaki, Weihang Zheng, Mahdi S. Hosseini, Konstantinos N. Plataniotis

Neural Architecture Search (NAS) has been pivotal in finding optimal network configurations for Convolution Neural Networks (CNNs).

Knowledge Distillation Neural Architecture Search

Probeable DARTS with Application to Computational Pathology

1 code implementation16 Aug 2021 Sheyang Tang, Mahdi S. Hosseini, Lina Chen, Sonal Varma, Corwyn Rowsell, Savvas Damaskinos, Konstantinos N. Plataniotis, Zhou Wang

AI technology has made remarkable achievements in computational pathology (CPath), especially with the help of deep neural networks.

Neural Architecture Search

CONet: Channel Optimization for Convolutional Neural Networks

1 code implementation15 Aug 2021 Mahdi S. Hosseini, Jia Shu Zhang, Zhe Liu, Andre Fu, Jingxuan Su, Mathieu Tuli, Sepehr Hosseini, Arsh Kadakia, Haoran Wang, Konstantinos N. Plataniotis

To solve this, we introduce an efficient dynamic scaling algorithm -- CONet -- that automatically optimizes channel sizes across network layers for a given CNN.

Neural Architecture Search

Reconsidering CO2 emissions from Computer Vision

no code implementations18 Apr 2021 Andre Fu, Mahdi S. Hosseini, Konstantinos N. Plataniotis

To address these concerns, we propose adding "enforcement" as a pillar of ethical AI and provide some recommendations for how architecture designers and broader CV community can curb the climate crisis.

Response Modeling of Hyper-Parameters for Deep Convolution Neural Network

no code implementations1 Jan 2021 Mathieu Tuli, Mahdi S. Hosseini, Konstantinos N Plataniotis

Hyper-parameter optimization (HPO) is critical in training high performing Deep Neural Networks (DNN).

FocusLiteNN: High Efficiency Focus Quality Assessment for Digital Pathology

1 code implementation11 Jul 2020 Zhongling Wang, Mahdi S. Hosseini, Adyn Miles, Konstantinos N. Plataniotis, Zhou Wang

Out-of-focus microscopy lens in digital pathology is a critical bottleneck in high-throughput Whole Slide Image (WSI) scanning platforms, for which pixel-level automated Focus Quality Assessment (FQA) methods are highly desirable to help significantly accelerate the clinical workflows.

Vocal Bursts Intensity Prediction

AdaS: Adaptive Scheduling of Stochastic Gradients

2 code implementations11 Jun 2020 Mahdi S. Hosseini, Konstantinos N. Plataniotis

The choice of step-size used in Stochastic Gradient Descent (SGD) optimization is empirically selected in most training procedures.

Scheduling

A Comprehensive Analysis of Weakly-Supervised Semantic Segmentation in Different Image Domains

1 code implementation24 Dec 2019 Lyndon Chan, Mahdi S. Hosseini, Konstantinos N. Plataniotis

Our experiments indicate that histopathology and satellite images present a different set of problems for weakly-supervised semantic segmentation than natural scene images, such as ambiguous boundaries and class co-occurrence.

Segmentation Weakly supervised Semantic Segmentation +1

Focus Quality Assessment of High-Throughput Whole Slide Imaging in Digital Pathology

1 code implementation14 Nov 2018 Mahdi S. Hosseini, Yueyang Zhang, Lyndon Chan, Konstantinos N. Plataniotis, Jasper A. Z. Brawley-Hayes, Savvas Damaskinos

We also extend our method to generate a local slide-level focus quality heatmap, which can be used for automated slide quality control, and demonstrate the utility of our method for clinical scan quality control by comparison with subjective slide quality scores.

Convolutional Deblurring for Natural Imaging

1 code implementation25 Oct 2018 Mahdi S. Hosseini, Konstantinos N. Plataniotis

In this paper, we propose a novel design of image deblurring in the form of one-shot convolution filtering that can directly convolve with naturally blurred images for restoration.

Deblurring Image Deblurring +2

High-Accuracy Total Variation for Compressed Video Sensing

no code implementations1 Sep 2013 Mahdi S. Hosseini, Konstantinos N. Plataniotis

Numerous total variation (TV) regularizers, engaged in image restoration problem, encode the gradients by means of simple $[-1, 1]$ FIR filter.

Image Restoration Vocal Bursts Intensity Prediction

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