Article

Fajtl, Jiri, Welikala, Roshan A., Barman, Sarah, Chambers, Ryan, Bolter, Louis, Anderson, John, Olvera-Barrios, Abraham, Shakespeare, Royce, Egan, Catherine, Owen, Christopher G., Tufail, Adnan and Rudnicka, Alicja R. (2024) Trustworthy evaluation of clinical AI for analysis of medical images in diverse populations. NEJM AI, 1(9), ISSN (print) 2836-9386

Olvera-Barrios, Abraham, Rudnicka, Alicja R, Anderson, John, Bolter, Louis, Chambers, Ryan, Warwick, Alasdair N, Welikala, Roshan, Fajtl, Jiri, Barman, Sarah, Remagnino, Paolo, Wu, Yue, Lee, Aaron, Chew, Emily Y, Ferris, Frederick L., Hingorani, Aroon D, Sofat, Reecha, Egan, Catherine, Tufail, Adnan, Owen, Christopher G and the ARIAS Research Group (2023) Two-year recall for people with no diabetic retinopathy : a multiethnic population-based retrospective cohort study using real-world data to quantify the effect. British Journal of Ophthalmology(107), pp. 1839-1845. ISSN (print) 0007-1161

Freiberg, Josefine, Welikala, Roshan A., Rovelt, Jens, Owen, Christopher G., Rudnicka, Alicja R., Kolko, Miriam and Barman, Sarah A. (2023) Automated analysis of vessel morphometry in retinal images from a Danish high street optician setting. PLoS ONE, 18(8), e0290278. ISSN (online) 1932-6203

Jiang, Xiaofan, Hysi, Pirro G., Khawaja, Anthony P., Mahroo, Omar A., Xu, Zihe, Hammond, Christopher J., Foster, Paul J., Welikala, Roshan A., Barman, Sarah A., Whincup, Peter H., Rudnicka, Alicja R., Owen, Christopher G., Strachan, David P. and The UK Biobank Eye and Vision Consortium (2023) GWAS on retinal vasculometry phenotypes. PLOS Genetics, 19(2), e1010583. ISSN (print) 1553-7390

Rudnicka, Alicja Regina, Welikala, Roshan, Barman, Sarah, Foster, Paul J, Luben, Robert, Hayat, Shabina, Khaw, Kay-Tee, Whincup, Peter, Strachan, David and Owen, Christopher G (2022) Artificial intelligence-enabled retinal vasculometry for prediction of circulatory mortality, myocardial infarction and stroke. British Journal of Ophthalmology, 106, pp. 1722-1729. ISSN (print) 0007-1161

Tapp, Robyn J., Owen, Christopher G., Barman, Sarah A., Strachan, David P., Welikala, Roshan, Foster, Paul J., Whincup, Peter H. and Rudnicka, Alicja R. (2022) Retinal microvascular associations with cardiometabolic risk factors differ by diabetes status : results from the UK Biobank. Diabetologia, ISSN (print) 0012-186X

Rajendran, Senthilmani, Lim, Jian Han, Yogalingam, Kohgulakuhan, Kallarakkal, Thomas George, Zain, Rosnah Binti, Jayasinghe, Ruwan Duminda, Rimal, Jyotsna, Kerr, Alexander Ross, Amtha, Rahmi, Patil, Karthikeya, Welikala, Roshan Alex, Lim, Ying Zhi, Remagnino, Paolo, Gibson, John, Tilakaratne, Wanninayake Mudiyanselage, Liew, Chee Sun, Yang, Yi‐Hsin, Barman, Sarah Ann, Chan, Chee Seng and Cheong, Sok Ching (2022) Image collection and annotation platforms to establish a multi‐source database of oral lesions. Oral Diseases, ISSN (print) 1354-523X (Epub Ahead of Print)

Rudnicka, Alicja R, Owen, Christopher G, Welikala, Roshan A, Barman, Sarah A, Whincup, Peter H, Strachan, David P, Chan, Michelle P Y, Khawaja, Anthony P, Broadway, David C, Luben, Robert, Hayat, Shabina A, Khaw, Kay-Tee and Foster, Paul J (2020) Retinal vasculometry associations with glaucoma : findings from the European Prospective Investigation of Cancer-Norfolk Eye study. American Journal of Ophthalmology, 220, pp. 140-151. ISSN (print) 1879-1891

Tapp, Robyn J., Owen, Christopher G., Barman, Sarah A., Welikala, Roshan A., Foster, Paul J., Whincup, Peter H., Strachan, David P. and Rudnicka, Alicja R. (2020) Retinal vascular tortuosity and diameter associations with adiposity and components of body composition. Obesity, 28(9), pp. 1750-1760. ISSN (print) 1930-7381

Welikala, Roshan Alex, Remagnino, Paolo, Lim, Jian Han, Chan, Chee Seng, Rajendran, Senthilmani, Kallarakkal, Thomas George, Zain, Rosnah Binti, Jayasinghe, Ruwan Duminda, Rimal, Jyotsna, Kerr, Alexander Ross, Amtha, Rahmi, Patil, Karthikeya, Tilakaratne, Wanninayake Mudiyanselage, Gibson, John, Cheong, Sok Ching and Barman, Sarah Ann (2020) Automated detection and classification of oral lesions using deep learning for early detection of oral cancer. IEEE Access, 8, pp. 132677-132693. ISSN (online) 2169-3536

Yates, Max, Welikala, Roshan, Rudnicka, Alicja, Peto, Tunde, MacGregor, Alexander J, Khawaja, Anthony, Watts, Richard, Broadway, David, Hayat, Shabina, Luben, Robert, Barman, Sarah, Owen, Christopher, Khaw, Kay-Tee and Foster, Paul (2020) Retinal vasculometric characteristics and their associations with polymyalgia rheumatica and giant cell arteritis in a prospective cohort : EPIC-Norfolk Eye Study. Annals of the Rheumatic Diseases, 79(4), pp. 547-549. ISSN (print) 0003-4967

Tapp, Robyn J., Owen, Christopher G., Barman, Sarah A., Welikala, Roshan A., Foster, Paul J., Whincup, Peter H., Strachan, David P. and Rudnicka, Alicja R. (2019) Associations of retinal microvascular diameters and tortuosity with blood pressure and arterial stiffness : United Kingdom Biobank. Hypertension, 74(6), pp. 1383-1390. ISSN (print) 0194-911X

Owen, Christopher G., Rudnicka, Alicja R., Welikala, Roshan, Fraz, M Moazam, Barman, Sarah A, Luben, Robert, Hayat, Shabina A., Khaw, Kay-Tee, Strachan, David P., Whincup, Peter H. and Foster, Paul J. (2019) Retinal vasculometry associations with cardiometabolic risk factors in the European Prospective Investigation of Cancer Norfolk study. Ophthalmology, 126(1), pp. 96-106. ISSN (print) 0161-6420

Welikala, R.A., Foster, P.J., Whincup, P.H., Rudnicka, A.R., Owen, C.G., Strachan, D.P. and Barman, S.A. (2017) Automated arteriole and venule classification using deep learning for retinal images from the UK Biobank cohort. Computers in Biology and Medicine, 90, pp. 23-32. ISSN (print) 0010-4825

Habib, Mohammed, Welikala, Roshan, Hoppe, Andreas, Owen, Christopher G., Rudnicka, Alicja R., Tufail, Adnan, Egan, Catherine and Barman, Sarah A. (2017) Incorporating spatial information for microaneurysm detection in retinal images. Advances in Science, Technology and Engineering Systems Journal, 2(3), pp. 642-649. ISSN (online) 2415-6698

Habib, M.M., Welikala, R.A., Hoppe, A., Owen, C.G., Rudnicka, A.R. and Barman, S.A. (2017) Detection of microaneurysms in retinal images using an ensemble classifier. Informatics in Medicine Unlocked, 9, pp. 44-57. ISSN (print) 2352-9148

Welikala, R A, Fraz, M M, Foster, P J, Whincup, P H, Rudnicka, A R, Owen, C G, Strachan, D P and Barman, S A (2016) Automated retinal image quality assessment on the UK Biobank Dataset for Epidemiological Studies. Computers in Biology and Medicine, 71, pp. 67-76. ISSN (print) 0010-4825

Fraz, M.M., Welikala, R.A., Rudnicka, A.R., Owen, C.G., Strachan, D.P. and Barman, S.A. (2015) QUARTZ : QUantitative Analysis of Retinal Vessel Topology and size : an automated system for quantification of retinal vessels morphology. Expert Systems with Applications, 42(20), pp. 7221-7234. ISSN (print) 0957-4174

Welikala, R.A., Fraz, M.M., Dehmeshki, J., Hoppe, A., Tah, V., Mann, S., Williamson, T.H. and Barman, S.A. (2015) Genetic algorithm based feature selection combined with dual classification for the automated detection of proliferative diabetic retinopathy. Computerized Medical Imaging and Graphics, 43, pp. 64-77. ISSN (print) 0895-6111

Welikala, R. A., Fraz, M. M., Williamson, T. H. and Barman, S. A. (2015) The automated detection of proliferative diabetic retinopathy using dual ensemble classification. International Journal of Diagnostic Imaging, 2(2), pp. 64-71. ISSN (print) 2331-5857

Welikala, R.A., Dehmeshki, J., Hoppe, A., Tah, V., Mann, S., Williamson, T.H. and Barman, S. A. (2014) Automated detection of proliferative diabetic retinopathy using a modified line operator and dual classification. Computer Methods and Programs in Biomedicine, 114(3), pp. 247-261. ISSN (print) 0169-2607

Book Section

Barman, Sarah A., Welikala, Roshan A., Rudnicka, Alicja R. and Owen, Christopher G. (2019) Image quality assessment. In: Trucco, Emanuele , MacGillivray, Tom and Xu, Yanwu, (eds.) Computational retinal image analysis : tools, applications and perspectives. London, U.K. : Academic Press. pp. 135-155. ISBN 9780081028162

Conference or Workshop Item

Welikala, Roshan, Fajtl, Jiri, Johnson, Gordon, Rahman, Farzana, Podoleanu, Razvan, Remagnino, Paolo, Freeman, Ellen E., Chambers, Ryan, Bolter, Louis, Anderson, John, Olvera-Barrios, Abraham, Warwick, Alasdair, Foster, Paul J., Shakespeare, Royce, Ganguly, Rahul, Egan, Catherine, Tufail, Adnan, Owen, Christopher G., Rudnicka, Alicja R. and Barman, Sarah A. (2024) Artificial intelligence-enabled retinal vasculometry at scale utilizing the UK Biobank, CLSA, and NEL DESP datasets. In: IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI’24); 10-13 Nov 2024, Houston, U.S.. (In Press)

Hegde, Meg, Rahman, Farzana, Welikala, Roshan, Fajtl, Jiri, Owen, Christopher, Rudnicka, Alicja and Barman, Sarah (2024) Analysis on multi-ethnic retinal fundus image datasets of debiasing techniques in deep learning for diabetic macular edema recognition. In: Medical Image Understanding and Analysis (MIUA) 2024; 24-26 Jul 2024, Manchester, U.K..

Lim, Jian Han, Tan, Chun Shui, Chan, Chee Seng, Welikala, Roshan Alex, Remagnino, Paolo, Rajendran, Senthilmani, Kallarakkal, Thomas George, Zain, Rosnah Binti, Jayasinghe, Ruwan Duminda, Rimal, Jyotsna, Kerr, Alexander Ross, Amtha, Rahmi, Patil, Karthikeya, Tilakaratne, Wanninayake Mudiyanselage, Gibson, John, Cheong, Sok Ching and Barman, Sarah Ann (2021) D’OraCa : deep learning-based classification of oral lesions with mouth landmark guidance for early detection of oral cancer. In: 25th UK Conference on Medical Image Understanding and Analysis (MIUA2021); 12-14 Jul 2021, Oxford, U.K. (held online).

Welikala, Roshan, Remagnino, Paolo, Lim, Jian Han, Chan, Chee Seng, Rajendran, Senthilmani, Kallarakkal, Thomas George, Zain, Rosnah Binti, Jayasinghe, Ruwan Duminda, Rimal, Jyotsna, Kerr, Alexander Ross, Amtha, Rahmi, Patil, Karthikeya, Tilakaratne, Wanninayake Mudiyanselage, Cheong, Sok Ching and Barman, Sarah Ann (2021) Clinically guided trainable soft attention for early detection of oral cancer. In: The 19th International Conference on Computer Analysis of Images and Patterns (CAIP 2021); 27 Sep - 01 Oct 2021, Cyprus (held online).

Welikala, Roshan Alex, Remagnino, Paolo, Lim, Jian Han, Chan, Chee Seng, Rajendran, Senthilmani, Kallarakkal, Thomas George, Zain, Rosnah Binti, Jayasinghe, Ruwan Duminda, Rimal, Jyotsna, Kerr, Alexander Ross, Amtha, Rahmi, Patil, Karthikeya, Tilakaratne, Wanninayake Mudiyanselage, Gibson, John, Cheong, Sok Ching and Barman, Sarah Ann (2020) Fine-tuning deep learning architectures for early detection of oral cancer. In: 2nd International Symposium on Mathematical and Computational Oncology (ISMCO); 08-10 Oct 2020, Held online.

Welikala, R.A., Fraz, M.M., Habib, M.M., Daniel-Tong, S., Yates, M., Foster, P.J., Whincup, P.H., Rudnicka, A.R., Owen, C.G., Strachan, D.P. and Barman, S.A (2017) Automated quantification of retinal vessel morphometry in the UK Biobank Cohort. In: Seventh International Conference on Image Processing Theory, Tools and Applications; 28 Nov - 01 Dec 2017, Montreal, Canada.

Habib, M.M., Welikala, R.A., Hoppe, A., Owen, C.G., Rudnicka, A.R. and Barman, S.A. (2016) Microaneurysm detection in retinal images using an ensemble classifier. In: 6th International Conference of Image Processing Theory Tools and Applications (IPTA); 12 - 15 Dec 2016, Oulu, Finland. ISSN (online) 2154-512X ISBN 9781467389105

Welikala, Roshan A, Fraz, Muhammad M, Hayat, Shabina, Rudnicka, Alicja R, Foster, Paul J, Whincup, Peter H, Owen, Chris G, Strachan, David P and Barman, Sarah A (2015) Automated retinal vessel recognition and measurements on large datasets. In: 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC); 25-29 Aug 2015, Milan, Italy.

Welikala, Roshan A., Tah, Vikas, Williamson, Tom H., Hoppe, Andreas, Dehmeshki, Jamishid and Barman, Sarah (2014) Differing matched filter responsivity for the detection of proliferative diabetic retinopathy. In: Computer Graphics and Imaging / 798: Signal Processing, Pattern Recognition and Applications (CGIM 2013); 12-14 Feb 2013, Innsbruck, Austria. ISSN (print) 0146-664X

Thesis

Welikala, Roshan Alex (2014) Automated detection of proliferative diabetic retinopathy from retinal images. (PhD thesis), Kingston University, .