User profiles for Ida Häggström

Ida Häggström

Chalmers University of Technology
Verified email at chalmers.se
Cited by 1414

Introduction to radiomics

…, A Materka, G Langs, I Häggström… - Journal of Nuclear …, 2020 - Soc Nuclear Med
Radiomics is a rapidly evolving field of research concerned with the extraction of quantitative
metrics—the so-called radiomic features—within medical images. Radiomic features …

DeepPET: A deep encoder–decoder network for directly solving the PET image reconstruction inverse problem

I Häggström, CR Schmidtlein, G Campanella… - Medical image …, 2019 - Elsevier
The purpose of this research was to implement a deep learning network to overcome two of
the major bottlenecks in improved image reconstruction for clinical positron emission …

Accelerating prostate diffusion-weighted MRI using a guided denoising convolutional neural network: retrospective feasibility study

EA Kaye, EA Aherne, C Duzgol, I Häggström… - Radiology: Artificial …, 2020 - pubs.rsna.org
Purpose To investigate the feasibility of accelerating prostate diffusion-weighted imaging (DWI)
by reducing the number of acquired averages and denoising the resulting image using a …

Impact of ComBat harmonization on PET radiomics-based tissue classification: a dual-center PET/MRI and PET/CT study

…, HA Vargas, P Gibbs, I Häggström… - Journal of Nuclear …, 2022 - Soc Nuclear Med
Our purpose was to determine whether ComBat harmonization improves 18 F-FDG PET
radiomics-based tissue classification in pooled PET/MRI and PET/CT datasets. Methods: Two …

[HTML][HTML] PETSTEP: generation of synthetic PET lesions for fast evaluation of segmentation methods

B Berthon, I Häggström, A Apte, BJ Beattie, AS Kirov… - Physica Medica, 2015 - Elsevier
Purpose This work describes PETSTEP (PET Simulator of Tracers via Emission Projection):
a faster and more accessible alternative to Monte Carlo (MC) simulation generating realistic …

Dynamic PET simulator via tomographic emission projection for kinetic modeling and parametric image studies

I Häggström, BJ Beattie, CR Schmidtlein - Medical Physics, 2016 - Wiley Online Library
Purpose: To develop and evaluate a fast and simple tool called dpetstep (Dynamic PET
Simulator of Tracers via Emission Projection), for dynamic PET simulations as an alternative to …

[HTML][HTML] Deep learning for [18F] fluorodeoxyglucose-PET-CT classification in patients with lymphoma: a dual-centre retrospective analysis

I Häggström, D Leithner, J Alvén… - The Lancet Digital …, 2024 - thelancet.com
Background The rising global cancer burden has led to an increasing demand for imaging
tests such as [ 18 F]fluorodeoxyglucose ([ 18 F]FDG)-PET-CT. To aid imaging specialists in …

H&E-based computational biomarker enables universal EGFR screening for lung adenocarcinoma

G Campanella, D Ho, I Häggström, AS Becker… - arXiv preprint arXiv …, 2022 - arxiv.org
Lung cancer is the leading cause of cancer death worldwide, with lung adenocarcinoma being
the most prevalent form of lung cancer. EGFR positive lung adenocarcinomas have been …

Monolithic Bragg-locked Nd:GdVO4 laser

I Häggström, B Jacobsson, F Laurell - Optics express, 2007 - opg.optica.org
We present a monolithic single-longitudinal-mode laser based on Nd:GdVO_4 and a volume
Bragg grating. The laser at 1066 nm had a bandwidth below 40 MHz at a power of 30 mW. …

Initial performance studies of a wearable brain positron emission tomography camera based on autonomous thin-film digital Geiger avalanche photodiode arrays

…, KC Mandal, I Häggström… - Journal of Medical …, 2017 - spiedigitallibrary.org
Using analytical and Monte Carlo modeling, we explored performance of a lightweight
wearable helmet-shaped brain positron emission tomography (PET), or BET camera, based on …