Dag Waaler
Bakgrunn og aktiviteter
Bakgrunn
- Maskiningeniør konstruksjon, Gjøvik tekniske skole, 1977
- Siv.ing. i teknisk fysikk fra NTH, 1983
- Dr. ing. i eksperimantalfysikk, NTH, 1988
- Arbeidet ved Gjøvik ingeniørhøgskole / Høgskolen i Gjøvik 1987 – 1995, 2000 - 2015
- Andre arbeidsforhold: Det norske Veritas (trainee 1977-1979), Østlandsforskning (forsker 1989 - 1994), Høgskolen i Lillehammer (1995 - 1997), InterAct as (daglig leder 1997-2000), sporandiske oppdrag som konsulent innen NDT for flere bedrifter (1990 - )
Forskningsområder
- Medisinsk fysikk
- Industriell ikke-destruktiv materialprøving (NDT), spesielt røntgen, CT og ultralyd.
- Maskinsyn
- Lysspredningsstudier av væsker
Vitenskapelig, faglig og kunstnerisk arbeid
Et utvalg av nyere tidsskriftspublikasjoner, kunstneriske produksjoner, bok, inklusiv bokdeler og rapport-del. Se alle publikasjoner i databasen
Tidsskriftspublikasjoner
- (2019) Plant leaves region segmentation in cluttered and occluded images using perceptual color space and k-means-derived threshold with set theory. IEEE Conference on Industrial Informatics. vol. 2019-July.
- (2019) Comparison of image quality in chest, hip and pelvis examinations between mobile equipment in nursing homes and static indirect radiography equipment in the hospital. Radiography.
- (2019) Can scatter correction software replace a grid in DR pelvic examinations?. Radiation Protection Dosimetry.
- (2019) Does software optimization influence the radiologists' perception in low dose paediatric pelvic examinations?. Radiography. vol. 25 (2).
- (2018) Image quality in coronary computed tomography angiography: influence of adaptive statistical iterative reconstruction at various radiation dose levels. Acta Radiologica. vol. 59 (10).
- (2018) A Weighted Histogram-Based Tone Mapping Algorithm for CT images. Algorithms. vol. 11 (8).
- (2018) Image De-Quantization Using Plate Bending Model. Algorithms. vol. 11 (8).
- (2018) Applicability of a clinical cardiac CT protocol in post mortem studies. Journal of Forensic Radiology and Imaging. vol. 12.
- (2017) Human factors in the implementation and adoption of innovations in health care services. A longitudinal case study on the introduction of new technology. The Innovation Journal - Public Sector Innovation Journal. vol. 22 (3).
- (2017) How different iterative and filtered back projection kernels affect computed tomography numbers and low contrast detectability. Journal of computer assisted tomography. vol. 41 (1).
- (2017) How radiographers visually perceive X-ray images with the task of accepting or rejecting them – a pilot study. Radiography Open. vol. 3 (1).
- (2016) Image texture and radiation dose properties in CT. Journal of Applied Clinical Medical Physics. vol. 17 (3).
- (2016) Influence of adaptive statistical iterative reconstruction algorithm on image quality in coronary computed tomography angiography. Acta radiologica open. vol. 5 (12).
- (2013) New Developed DR Detector Performs Radiographs of Hand, Pelvic and Premature Chest Anatomies at a Lower Radiation Dose and/or a Higher Image Quality. Journal of digital imaging.
- (2012) Digital radiography: optimization of image quality and dose using multi-frequency software. Pediatric Radiology. vol. 42 (9).
- (2012) An Architectural Approach to Building Ambient Intelligent Travel Companions. International Journal of E-Health and Medical Communications (IJEHMC). vol. 3 (3).
- (2010) Better evidence-based quality in digital radiographic imaging by eLearning. European Radiology.
- (2010) Empiriske prosjekter i bacheloroppgaver - et unødvendig gode?. Hold Pusten. vol. 37 (5).
- (2010) Learning evidence-based digital imaging quality assurance. European Radiology.
- (2010) Image rejects/retakes-radiographic challenges. Radiation Protection Dosimetry. vol. 139 (1-3).