Publications 2024

d'Albenzio G, Kamkova Y, Naseem R, Ullah M, Colonnese S, Cheikh FA, Kumar RP (2024)
A dual-encoder double concatenation Y-shape network for precise volumetric liver and lesion segmentation
Comput Biol Med, 179, 108870
DOI 10.1016/j.compbiomed.2024.108870, PubMed 39024904

Publications 2023

Homlong EG, Kumar RP, Elle OJ, Wiig O (2023)
Automated structuring of gait data for analysis purposes - A deep learning pilot example
Annu Int Conf IEEE Eng Med Biol Soc, 2023, 1-5
DOI 10.1109/EMBC40787.2023.10340938, PubMed 38083029

Publications 2022

Grunbeck IA, Teatini A, Kumar RP, Elle OJ, Wiig O (2022)
Evaluation and Comparison of Target Registration Error in Active and Passive Optical Tracking Systems
Annu Int Conf IEEE Eng Med Biol Soc, 2022, 3476-3480
DOI 10.1109/EMBC48229.2022.9871591, PubMed 36085841

Nainamalai V, Prasad PJR, Pelanis E, Edwin B, Albregtsen F, Elle OJ, P Kumar R (2022)
Evaluation of clinical applicability of automated liver parenchyma segmentation of multi-center magnetic resonance images
Eur J Radiol Open, 9, 100448
DOI 10.1016/j.ejro.2022.100448, PubMed 36386761

Survarachakan S, Prasad PJR, Naseem R, Pérez de Frutos J, Kumar RP, Langø T, Alaya Cheikh F, Elle OJ, Lindseth F (2022)
Deep learning for image-based liver analysis - A comprehensive review focusing on malignant lesions
Artif Intell Med, 130, 102331
DOI 10.1016/j.artmed.2022.102331, PubMed 35809970

Publications 2021

Prasad PJR, Elle OJ, Lindseth F, Albregtsen F, Kumar RP (2021)
Modifying U-Net for small dataset - a simplified U-Net version for Liver Parenchyma segmentation
PROC SPIE, 11597, 115971O
DOI 10.1117/12.2582179

Prasad PJR, Survarachakan S, Khan ZA, Lindseth F, Elle OJ, Albregtsen F, Kumar RP (2021)
Numerical Evaluation on Parametric Choices Influencing Segmentation Results in Radiology Images-A Multi-Dataset Study
Electronics, 10 (4), 431
DOI 10.3390/electronics10040431

Survarachakan S, Pelanis E, Khan ZA, Kumar RP, Edwin B, Lindseth F (2021)
Effects of Enhancement on Deep Learning Based Hepatic Vessel Segmentation
Electronics, 10 (10), 1165
DOI 10.3390/electronics10101165

Publications 2020

Brun H, Pelanis E, Wiig O, Luzon JA, Birkeland S, Kumar RP, Fretland ÅA, Suther KR, Edwin B, Elle OJ (2020)
Mixed reality - new image technology in experimental use
Tidsskr Nor Laegeforen, 140 (17)
DOI 10.4045/tidsskr.20.0498, PubMed 33231396

Kumar RP, Pelanis E, Bugge R, Brun H, Palomar R, Aghayan DL, Fretland ÅA, Edwin B, Elle OJ (2020)
Use of mixed reality for surgery planning: Assessment and development workflow
J Biomed Inform, 112S, 100077
DOI 10.1016/j.yjbinx.2020.100077, PubMed 34417006

Pelanis E, Teatini A, Eigl B, Regensburger A, Alzaga A, Kumar RP, Rudolph T, Aghayan DL, Riediger C, Kvarnström N, Elle OJ, Edwin B (2020)
Evaluation of a novel navigation platform for laparoscopic liver surgery with organ deformation compensation using injected fiducials
Med Image Anal, 69, 101946
DOI 10.1016/j.media.2020.101946, PubMed 33454603

Teatini A, Pérez de Frutos J, Eigl B, Pelanis E, Aghayan DL, Lai M, Kumar RP, Palomar R, Edwin B, Elle OJ (2020)
Influence of sampling accuracy on augmented reality for laparoscopic image-guided surgery
Minim Invasive Ther Allied Technol, 30 (4), 229-238
DOI 10.1080/13645706.2020.1727524, PubMed 32134342

Publications 2019

Brun H, Bugge RAB, Suther LKR, Birkeland S, Kumar R, Pelanis E, Elle OJ (2019)
Mixed reality holograms for heart surgery planning: first user experience in congenital heart disease
Eur Heart J Cardiovasc Imaging, 20 (8), 883-888
DOI 10.1093/ehjci/jey184, PubMed 30534951

Luzon JA, Kumar RP, Stimec BV, Elle OJ, Bakka AO, Edwin B, Ignjatovic D (2019)
Semi-automated vs. manual 3D reconstruction of central mesenteric vascular models: the surgeon's verdict
Surg Endosc, 34 (11), 4890-4900
DOI 10.1007/s00464-019-07275-y, PubMed 31745632

Pelanis E, Kumar RP, Aghayan DL, Palomar R, Fretland ÅA, Brun H, Elle OJ, Edwin B (2019)
Use of mixed reality for improved spatial understanding of liver anatomy
Minim Invasive Ther Allied Technol, 29 (3), 154-160
DOI 10.1080/13645706.2019.1616558, PubMed 31116053

Teatini A, Pelanis E, Aghayan DL, Kumar RP, Palomar R, Fretland ÅA, Edwin B, Elle OJ (2019)
The effect of intraoperative imaging on surgical navigation for laparoscopic liver resection surgery
Sci Rep, 9 (1), 18687
DOI 10.1038/s41598-019-54915-3, PubMed 31822701

Publications 2018

Pelanis E, Kumar R, Fretland A, Elle OJ, Edwin B (2018)
An early assessment for the use of HoloLens during laparoscopic liver resections
HPB, 20, S239
PublikaID 331

Publications 2017

Kumar R, Barkhatov L, Edwin B, Albregtsen F, Elle OJ (2017)
Portal and Hepatic Vein Segmentation with Leak Restriction: A Pilot Study
IFMBE Proc, 0, 823-826
PublikaID 330

Publications 2015

Kumar RP, Albregtsen F, Reimers M, Edwin B, Lango T, Elle OJ (2015)
Blood Vessel Segmentation and Centerline Tracking Using Local Structure Analysis
IFMBE PROC, 45, 122-+
DOI 10.1007/978-3-319-11128-5_31

Publications 2014

Kumar R (2014)
Fast blood vessel segmentation for surgical and interventional planning and navigation
University of Oslo
PublikaID 329

Kumar RP, Albregtsen F, Reimers M, Edwin B, Langø T, Elle OJ (2014)
Three-Dimensional Blood Vessel Segmentation and Centerline Extraction based on Two-Dimensional Cross-Section Analysis
Ann Biomed Eng, 43 (5), 1223-34
DOI 10.1007/s10439-014-1184-4, PubMed 25398332

Publications 2013

Kumar R, Albregtsen F, Reimers M, Langø T, Edwin B, Elle OJ (2013)
3D multiscale vessel enhancement based centerline extraction of blood vessels
In SPIE Medical Imaging, International Society for Optics and Photonics
DOI 10.1117/12.2006779, PublikaID 325

Kumar R, Rijkhorst EJ, Geier O, Barratt D, Elle OJ (2013)
Study on liver blood vessel movement during breathing cycle
In Colour and Visual Computing Symposium (CVCS), 2013, IEEE
DOI 10.1109/CVCS.2013.6626279, PublikaID 326

Kumar RP, Albregtsen F, Reimers M, Lango T, Edwin B, Elle OJ (2013)
3D multiscale vessel enhancement based centerline extraction of blood vessels
PROC SPIE, 8669, 86691X
DOI 10.1117/12.2006779

Kumar RP, Rijkhorst EJ, Geier O, Barratt D, Elle OJ (2013)
STUDY ON LIVER BLOOD VESSEL MOVEMENT DURING BREATHING CYCLE
2013 COLOUR AND VISUAL COMPUTING SYMPOSIUM (CVCS)