Search Results for author: Isabella Ellinger

Found 11 papers, 5 papers with code

Improving Generalization Capability of Deep Learning-Based Nuclei Instance Segmentation by Non-deterministic Train Time and Deterministic Test Time Stain Normalization

no code implementations12 Sep 2023 Amirreza Mahbod, Georg Dorffner, Isabella Ellinger, Ramona Woitek, Sepideh Hatamikia

With the advent of digital pathology and microscopic systems that can scan and save whole slide histological images automatically, there is a growing trend to use computerized methods to analyze acquired images.

Instance Segmentation Segmentation +1

Deep Neural Network Pruning for Nuclei Instance Segmentation in Hematoxylin & Eosin-Stained Histological Images

no code implementations15 Jun 2022 Amirreza Mahbod, Rahim Entezari, Isabella Ellinger, Olga Saukh

We investigate the impact of weight pruning on the performance of both branches separately and on the final nuclei instance segmentation result.

Instance Segmentation Network Pruning +3

FUSeg: The Foot Ulcer Segmentation Challenge

no code implementations2 Jan 2022 Chuanbo Wang, Amirreza Mahbod, Isabella Ellinger, Adrian Galdran, Sandeep Gopalakrishnan, Jeffrey Niezgoda, Zeyun Yu

Segmentation of wound boundaries in images is a key component of the care and diagnosis protocol since it is important to estimate the area of the wound and provide quantitative measurement for the treatment.

Segmentation

Automatic Foot Ulcer Segmentation Using an Ensemble of Convolutional Neural Networks

1 code implementation3 Sep 2021 Amirreza Mahbod, Gerald Schaefer, Rupert Ecker, Isabella Ellinger

Foot ulcer is a common complication of diabetes mellitus and, associated with substantial morbidity and mortality, remains a major risk factor for lower leg amputations.

Image Segmentation Medical Image Segmentation +2

CryoNuSeg: A Dataset for Nuclei Instance Segmentation of Cryosectioned H&E-Stained Histological Images

1 code implementation2 Jan 2021 Amirreza Mahbod, Gerald Schaefer, Benjamin Bancher, Christine Löw, Georg Dorffner, Rupert Ecker, Isabella Ellinger

Analysis of FS-derived H&E stained images can be more challenging as rapid preparation, staining, and scanning of FS sections may lead to deterioration in image quality.

Instance Segmentation Segmentation +2

Pollen Grain Microscopic Image Classification Using an Ensemble of Fine-Tuned Deep Convolutional Neural Networks

no code implementations15 Nov 2020 Amirreza Mahbod, Gerald Schaefer, Rupert Ecker, Isabella Ellinger

Our proposed method is shown to yield excellent classification performance, obtaining an accuracy of of 94. 48% and a weighted F1-score of 94. 54% on the ICPR 2020 Pollen Grain Classification Challenge training dataset based on five-fold cross-validation.

Classification General Classification +1

The Effects of Skin Lesion Segmentation on the Performance of Dermatoscopic Image Classification

1 code implementation28 Aug 2020 Amirreza Mahbod, Philipp Tschandl, Georg Langs, Rupert Ecker, Isabella Ellinger

In this study, we explicitly investigated the impact of using skin lesion segmentation masks on the performance of dermatoscopic image classification.

Binary Classification Classification +6

Investigating and Exploiting Image Resolution for Transfer Learning-based Skin Lesion Classification

no code implementations25 Jun 2020 Amirreza Mahbod, Gerald Schaefer, Chunliang Wang, Rupert Ecker, Georg Dorffner, Isabella Ellinger

Our results show that using very small images (of size 64x64 pixels) degrades the classification performance, while images of size 128x128 pixels and above support good performance with larger image sizes leading to slightly improved classification.

Classification General Classification +3

Skin Lesion Classification Using Hybrid Deep Neural Networks

no code implementations27 Feb 2017 Amirreza Mahbod, Gerald Schaefer, Chunliang Wang, Rupert Ecker, Isabella Ellinger

In this work, we propose a fully automatic computerised method for skin lesion classification which employs optimised deep features from a number of well-established CNNs and from different abstraction levels.

Classification General Classification +3

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