All listed publications are aimed to disseminate research and scholarly technical reports. Apart from any fair dealing for the purposes of research, education, or self-study, all publications may only be reproduced, stored or transmitted online, in any form or by any means, with the prior permission in writing of the author. Some papers cannot be found directly in this webpage due to copyright issue. If you would like to read the PDF file, please drop me an email to: sunu{at}ugm.ac.id


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Scopus Author ID : 26654457700 (H-Index : 4)
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Article in progress

[None]

Submitted for publications 

  1. R.A. Pramunendar, S. Wibirama, P.I. Santosa, “An Optimization Approach for Fish Species Classification Based on Underwater Image Interpolation and Back-Propagation Neural Network”, submitted to Journal of Information and Communication Technology, 2018 (Universiti Utara Malaysia Press, Q2 ScimagoJR, under review).
  2. T. Satriya, S. Wibirama,  I. Ardiyanto, N.A. Setiawan, T.B. Adji, An Improved Pupil Localization Technique for Real-Time Video-Oculography under Extreme Eyelid Occlusion”, submitted to Engineering Science and Technology, an International Journal, 2018 (Elsevier B.V. Netherlands, Q1 ScimagoJR, under review).
  3. P. V. Yulianandra, S. Wibirama, , P. I. Santosa, “Observing Cognitive Load during Online Learning with Various Task Complexities: An Eye Tracking Approach”, submitted to Computers & Education, 2017. (Elsevier B.V. Netherlands, Q1 ScimagoJR, under review)
  4. S. Wibirama, P. I. Santosa, P. Widyarani, R. A. Utami, “Physical Discomfort and Eye Movements during Arbitrary and Optical Flow-Like Motions in Stereo 3D Contents”, submitted to Virtual Reality, 2017. (Springer Verlag Germany, Q3 ScimagoJR, under review)

International Journals (indexed by Scopus and/or ISI Thomson Reuters)

  1. R.A. Pramunendar, S. Wibirama, P.I. Santosa, “A Novel Approach for Underwater Image Enhancement based on Improved Dark Channel Prior with Color Correction”, in Journal of Engineering Science and Technology, Vol. 13, No. 10, 2018, pp. 3220-3237. (Publisher: Taylor University, Q3 ScimagoJR). PDF.
  2. I. Ardiyanto, S. Wibirama, F. Nurwanto, “Sliding Variance and Data Range for Lightweight Sports Activitiy Recognition with Fusion Modalities.” in Journal of King Saud University-Computer and Information Sciences, 2018. (in press). doi: https://doi.org/10.1016/j.jksuci.2018.08.012
  3. W. Mahardika, S. Wibirama, R. Ferdiana, S. S. Kusumawardani, “A Novel User Experience Study of Parallax Scrolling using Eye Tracking and User Experience”, submitted to International Journal on Advanced Science, Engineering and Information Technology, 2018, pp. 1226-1233. (Publisher: Insight Society). doi: http://dx.doi.org/10.18517/ijaseit.8.4.6500
  4. H. A. Nugroho, L. Listyalina, S. Wibirama, W. K. Z. Oktoeberza, “Automated Determination of Macula Centre Point Based on Geometrical and Pixel Value Approaches to Support Detection of Foveal Avascular Zone”, International Journal of Innovative Computing, Information and Control, Vol. 14, No. 4, 2018, pp. 1453-1463. (Publisher: ICIC International, Q1 ScimagoJR). doi: http://doi.org/10.24507/ijicic.14.04.1453
  5. S. Wibirama, H.A. Nugroho, K. Hamamoto, “Depth Gaze and ECG Based Frequency Dynamics during Motion Sickness in Stereoscopic 3D Movie”, Entertainment Computing, Vol. 28, 2018, pp.117-127. (Elsevier B.V. Netherlands, Q2 ScimagoJR).
    doi: https://doi.org/10.1016/j.entcom.2018.02.003
  6. S. Wibirama, H.A. Nugroho, K. Hamamoto, “Evaluating 3D Gaze Tracking in Virtual Space: A Computer Graphics Approach,” Entertainment Computing, Vol. 21, June 2017, pp.11-17 (Elsevier B.V. Netherlands, Q2 ScimagoJR).
    doihttp://doi.org/10.1016/j.entcom.2017.04.003 | Download PDF
  7. R.F. Putri, S. Wibirama, Sukamdi, Sri Rum Giarsih, “Sand Dune Conservation Assessment in Coastal Area using Alos Palsar Dinsar Technique,” Journal of Urban and Environmental Engineering, Vol. 11, No. 1,  2017, pp. 9-29. (Q3 ScimagoJR). doi: http://dx.doi.org/10.4090/juee.2015.v11n1.9-29
  8. E.W.A, Hermawan, S. Wibirama, A. Bejo, “Extracting Information of Optical Answer Sheet (LJK) Based on Image Processing using Smartphone Camera,”  Advanced Science Letters, Vol. 23, No. 3, March 2017, pp. 2281-2284(4). (Q3 ScimagoJR). Download PDF.
  9. G. S. Nugraha, I. Soesanti, S. Wibirama, “Contrast Enhancement Analysis to Detect Glaucoma Based on Texture Feature in Retinal Fundus Image”,  Advanced Science Letters, Vol. 23, No. 3, March 2017, pp. 2326-2328(3). (Q3 ScimagoJR). Download PDF.
  10. S.Wibirama and K. Hamamoto, “3D Gaze Tracking on Stereoscopic Display using Optimized Geometric Method”, IEEJ Transactions on Electronics, Information, and Systems, Vol. 134, No. 3, 2014, pp. 345-352. (Q3 ScimagoJR). PDF | DOI .
  11. R.F. Putri, S.Wibirama, I. Alimuddin, H. Kuze, J.T.Sri Sumantyo, “Monitoring and Analysis of Landslide Hazard using Dinsar Technique Applied to ALOS PALSAR Imagery: A Case Study in Kayangan Catchment Area, Yogyakarta, Indonesia”, Journal of Urban and Environmental Engineering, Vol.7, No.2, 2013, 308-322. (Q3 Scimagojr). Link
  12. S. Wibirama,  S. Tungjitkusolmun, and C. Pintavirooj , “Dual-Camera Acquisition for Accurate Measurement of Three-Dimensional Eye Movements,” Transactions on Electrical and Electronic Engineering, Vol.8(3), 2013, pp. 238-246. (Q3 Scimagojr). DOI .

International and National Journals

  1. F. M. Arif, H. A. Nugroho, S. Wibirama, “Detection of Malaria Parasites in Thick Blood Smear: A Review,” submitted to Communications in Science and Technology, Vol. 3, No. 1, pp. 27-35, 2018, doi:10.21924/cst.3.1.2018.75
  2. A. Nasikun, B.Y. Wijonarko, R.B.A. Rahman, A.G. Persada, S. Wibirama, “Virtual Reality-based Platformer Games Development for Elevating Architectural Heritage Awareness”, International Journal of Information Technology and Electrical Engineering Vol.1, No. 3, 2017. doi: 10.22146/ijitee.33592
  3. L. Listyalina, H.A. Nugroho, S. Wibirama, W. K. Z. Oktoeberza, “Automated Localisation of Optic Disc in Retinal Colour Fundus Image for Assisting in The Diagnosis of Glaucoma,” Communications in Science and Technology, Vol. 2, No. 1, 2017, pp. 9-29.
  4. B.K. Luknanto, A.I. Cahyadi, S. Wibirama, and Herianto, “Real Time Monocular Visual Odometry using ORB Features for Indoor Environment,” in The Journal of Instrumentation, Automation, and Systems, Vol. 2, No.2, pp.52-58, 2015. doi: 10.21535%2Fjias.v2i2.854
  5. Hasnely, H.A. Nugroho, S. Wibirama, B, Windarta, and L. Choridah, “Texture feature extraction for the lung lesion density classification on computed tomography scan image,” Communications in Science and Technology, Vol. 1, No. 1, pp. 27-32, 2016. Download PDF.
  6. S. Wibirama & R. Hidayat, “Rekonstruksi dan Visualisasi Objek 3-D berbasis algoritma Direct Linear Transformation“, Jurnal Nasional Teknik Elektro dan Teknologi Informasi, Vol.1, No.2, Agustus 2012, pp. 32-39. Download PDF |mirror
  7. Rachmawati, R. Hidayat, S. Wibirama, “Rekonstruksi Obyek Tiga Dimensi dari Citra Dua Dimensi Menggunakan Epipolar Geometry”, Jurnal Teknologi, Vol. 5, No. 2, 12/2012. Download PDF | mirror
  8. Rachmawati, R. Hidayat, S. Wibirama, “Rekonstruksi Objek 3D dari Multiple Images”, Jurnal Nasional Teknik Elektro dan Teknologi Informasi, Vol.2, No.4, Februari 2013, pp. 46-51. Download PDF

Conferences

2018

  1. Herlina, S. Wibirama, I. Ardiyanto, “Object Selection Algorithm for Spontaneous Gaze-Based Interaction”, submitted to The 11th AUN/SEED-Net Regional Conference on Computer and Information Engineering, 2018. (under review)
  2. P. E. Suryadana, S. Wibirama, I. Ardiyanto, “An Improved Iris Tracking Algorithm for Eye Identification under Visible Light”, submitted to The International Conference on Computer Engineering, Network and Intelligent Multimedia, 2018. (under review)
  3. A.B. Dharmawan, G. Scholz, S. Mariana, P. Hörmann, I. Ardiyanto, S. Wibirama, J. Hartmann, J. D. Prades, K. Hiller, A. Waag, H. S. Wasisto, “Artificial neural networks for automated cell quantification in lensless LED imaging system”, submitted in Eurosensors 2018(accepted)
  4. N.A. Setiawan, L.I. Izhar, Y.D. Nugroho, B.A. Pramudita, S. Wibirama, “EEG Motor Imagery Signal Classification Using Firefly Support Vector Machine“, submitted in International Conference on Intelligent and Advanced Systems (ICIAS2018). (accepted)
  5. R. F. Putri, S. Wibirama, “Landuse Change Monitoring and Population Density Analysis of Penjarngan, Cengkareng, and Cakung Urban Area in Jakarta Province”, submitted in 2018 4th International Conference on Science and Technology (ICST). (under review)
  6. L. Lyta, I. Ardiyanto, S. Wibirama, “Performance of Human Motion Analysis: A Comparison“, submitted in 2018 4th International Conference on Science and Technology (ICST). (under review)
  7. M. Setiawan, S. Wibirama, N. A. Setiawan, “Pupil Tracking Algorithm Based on Circular Hough Transform Algorithm”, submitted in 2018 4th International Conference on Science and Technology (ICST). (under review)
  8. R. Kurnia, R. Ferdiana, S. Wibirama, “Software Metrics Classification for Agile Scrum Process: A Review”, submitted in 2018 4th International Conference on Science and Technology (ICST). (under review)
  9. Herlina , S. Wibirama, I. Ardiyanto, “Similarity Measures of Object Selection in Interactive Applications based on Smooth Pursuit Eye Movements”, in International Conference on Information and Communications Technology (ICOIACT 2018), Yogyakarta 6-8 Maret 2018, pp. 638-643.
  10. P. V. N. Nugraha, S. Wibirama, R. Hidayat, “River Body Extraction And Classification Using Enhanced Models of Modified Normalized Water Difference Index At Yeh Unda River Bali”, in International Conference on Information and Communications Technology (ICOIACT 2018), Yogyakarta 6-8 Maret 2018, pp. 338-343

2017

  1. R. A. Warman, S. Wibirama, A. Bejo, “Performance Comparison of Signal Processing Filters on Smooth Pursuit Eye Movements,” in The 2nd International Conference on Information Technology, Information Systems and Electrical Engineering (ICITISEE 2017), Yogyakarta 1-3 November 2017, pp. 111-115.
  2. P. V. Yulianandra, S. Wibirama, P. I. Santosa, “Examining the Effect of Website Complexity and Task Complexity in Web-Based Learning Management System”, in The 1st International Conference on Informatics and Computational Science 2017, Semarang 15 November 2017, pp. 123-128.
  3. N. P. I. R. Devy, S. Wibirama, P. I. Santosa, “Evaluating User Experience of English Learning Interface Using User Experience Questionnaire and System Usability Scale”, submitted to The 1st International Conference on Informatics and Computational Science 2017, Semarang 15 November 2017, pp. 107-112.
  4. M. Pratama, N. A. Setiawan, S. Wibirama, “User Interface Design for Android-based Family Genealogy Social Media”,  in 2017 7th International Annual Engineering Seminar (inAES 2017), Yogyakarta 1 August 2017, pp.1-5.
  5. R. Ferizal, S. Wibirama, N. A. Setiawan, “Gender Recognition Using PCA and LDA with Improve Preprocessing and Classification Technique”, in 2017 7th International Annual Engineering Seminar (inAES 2017), Yogyakarta 1 August 2017, pp.1-6.
  6. Noprianto, S. Wibirama, H. A. Nugroho, “Long Distance Automatic Number Plate Recognition Under Perspective Distortion Using Zonal Density and Support Vector Machine, ” in Proc. of 2017 3rd International Conference on Science and Technology, Yogyakarta 11-12 July 2017.
  7. S. Wibirama, H. A. Nugroho, “Towards Understanding Addiction Factors of Mobile Devices: An Eye Tracking Study on Effect of Screen Size,” in Proc. of 39th Annual International Conference of The IEEE Engineering in Medicine and Biology Society, Jeju Island, South Korea, 11-12 July 2017.
  8. K. Ito, Y. Koinuma, K. Miyamoto, S. Wibirama, M. Ohkura, “Creation of Japanese Version of Immersive Experience Questionnaire (IEQ) and Its Evaluation”,  in Annual Meeting of Japanese Society of Kansei Engineering, 29 March 2017. Link: http://jglobal.jst.go.jp/detail/?JGLOBAL_ID=201702256864049595
  9. F. N. Sari, P. I. Santosa, S. Wibirama, “Comparison of expert and novice scan behavior for using e-learning”, in Proc. SPIE 10443, Second International Workshop on Pattern Recognition, 104430E (June 19, 2017); doi:10.1117/12.2280731.

2016

  1. T. Satriya, S. Wibirama, I. Ardiyanto, “Robust Pupil Tracking Algorithm based on Ellipse Fitting,” The 2016 IEEE International Symposium on Electronics and Smart Devices, Bandung, Indonesia, 29-30 November 2016, pp. 253-257.
  2. B. A. Kusuma, H. A. Nugroho, S. Wibirama, “Spinal Curvature Determination from Scoliosis X-Ray Image using Sum of Square Difference Template Matching,” The International Conference on Science and Technology 2016 (ICST2016), Yogyakarta, Indonesia, 27-28 October 2016, pp. 85-86.
  3. S. Wibirama, R. R. Mahesa, H.A. Nugroho, K. Hamamoto, “Estimating 3D gaze in physical environment: a geometric approach on consumer-level remote eye tracker,” Proc. SPIE 10225, Eighth International Conference on Graphic and Image Processing (ICGIP 2016), Tokyo, Japan, 29-31 October 2016. pp. 102251H1-102251H6. Download PDF
  4. T. Wijayanto, S. Wibirama, Z. Z. Maryoto, M. N. Winadi, M. Bahit, “Effects of Morning-night Difference and Sleep Deprivation on Situation Awareness and Driving Performance”, submitted to The 2016 IEEE International Conference on Industrial Engineering and Engineering Management, Bali, Indonesia, 4-7 December 2016, pp.267 – 271. Download PDF.
  5. Y.F. Riti, H. A. Nugroho, S. Wibirama, B. Windarta, L. Choridah, “Feature Extraction for Lession Margin Characteristic Classification from CT Scan Lungs Image,” Proceedings of The International conference on Information Technology, Information Systems and Electrical Engineering (ICITISEE 2016) Yogyakarta, Indonesia, 23-24 Agustus 2016, pp. 54-58. Download PDF.
  6. D. A. Kurniawan, S. Wibirama, N. A. Setiawan, “Real-time Traffic Classification with Twitter Data Mining,” Proceedings of The 8th 2016 International Conference on Information Technology and Electrical Engineering (ICITEE 2016), Yogyakarta, Indonesia, 5-6 Oktober 2016, pp. 165-168. Download PDF.
  7. M. Bahit, S. Wibirama, H. A. Nugroho, T. Wijayanto, M. N.Winadi, “Investigation of Visual Attention in Day-Night Driving Simulator during Cybersickness Occurrence”, Proceedings of The 8th 2016 International Conference on Information Technology and Electrical Engineering (ICITEE 2016), Yogyakarta, Indonesia, 5-6 Oktober 2016, pp. 213-216. Download PDF.
  8. F. Nurwanto, I. Ardiyanto, S. Wibirama, “Light Sport Exercise Detection Based on Smartwatch and Smartphone using k-Nearest Neighbor and Dynamic Time Warping Algorithm,” Proceedings of The 8th 2016 International Conference on Information Technology and Electrical Engineering (ICITEE 2016), Yogyakarta, Indonesia, 5-6 Oktober 2016, pp. 421-425. Download PDF.
  9. S. Mujahidin, S. Wibirama, H.A. Nugroho, K. Hamamoto, “3D gaze tracking in real world environment using orthographic projection,” Proceedings of The 2016 Conference on Fundamental and Applied Science for Advanced Technology, AIP Publishing Vol. 1746, Yogyakarta, Indonesia, 25-26 January 2016, pp. 020072 (1-6). Download PDF .

2015

  1. S. Wibirama, T. Wijayanto, H. A. Nugroho, M. Bahit, M. N. Winadi, “Quantifying visual attention and visually induced motion sickness during day-night driving and sleep deprivation,” in Proceedings of The 2015 International Conference on Data and Software Engineering, Yogyakarta, Indonesia, 25-26 November 2015, pp. 191-194. Download PDF.
  2. D.P. Sihombing, H.A. Nugroho, S. Wibirama, “Perspective Rectification in Vehicle Number Plate Recognition using 2D-2D Transformation of Planar Homography,” in Proceeding of The 2015 International Conference on Science and Information Technology (ICSITech), Yogyakarta, Indonesia, 27-28 October 2015, pp.237-240. Download PDF.
  3. H.A. Nugroho, L. Listyalina, N.A. Setiawan, S. Wibirama, and D.A. Dharmawan,”Automated Segmentation of Optic Disc Area using Mathematical Morphology and Active Contour,” in Proceeding of The 2015 International Conference on Computer, Control, Informatics, and Its Applications, Bandung, Indonesia, 5-7 October 2015, pp. 18-22. Download PDF
  4. S. Wibirama, H.A. Nugroho, and K. Hamamoto, “Design and Development of Evaluation Method for 3D Gaze Tracking in Virtual Space,” in Proceeding of The 10th International Forum on Strategic Technology 2015, Bali, Indonesia, 3-5 June 2015, pp. 434-437.

2014

  1. S. Wibirama & K. Hamamoto, “Investigation of Visually Induced Motion Sickness in Dynamic 3D Content based on Subjective Judgment, Heart Rate Variability, and Depth Gaze Behavior”, in Proceedings of The 36th Annual International Conference of the IEEE EMBS 2014, Chicago, US, 26-30 August 2014, pp. 4803-4806. Online proceedings (password required)

2013

  1. S. Wibirama & K. Hamamoto, “Design and Implementation of Gaze Tracking Headgear for Nvidia 3D Vision®”  in Proceeding of The 5th IEEE International Conference on Information Technology and Electrical Engineering 2013 (ICITEE 2013), Yogyakarta, Indonesia, 7-8 October 2013, pp. 84-87. Download PDF
  2. S. Wibirama & K. Hamamoto, “3D Gaze Tracking System for Nvidia 3D Vision®” in Proceeding of The 35th Annual International Conference of the IEEE EMBS, Osaka, Japan, 3-7 July 2013, pp. 3194-3197. Download PDF

2012

  1. S. Wibirama & K. Hamamoto, “Error Correction in Geometric Method of 3D Gaze Measurement using Singular Value Decomposition” in Proceeding of The 5th Indonesia Japan Joint Scientific Symposium, Chiba, Japan, 25-26 October 2012, pp. 554-558. Download PDF
  2. S. Wibirama & K. Hamamoto, “A Geometric Model for Measuring Depth Perception in Immersive Virtual Environment”, in Proceeding of ACM Asia Pacific Conference on Computer Human Interaction 2012, Vol. 2, Matsue, Japan, 28-31 August 2012. ISBN: 978-4-9906562-0-1. pp. 325-330. (Acceptance rate : 30%).  Download PDF

2011

  1. S. Wibirama,  S. Tungjitkusolmun, and C. Pintavirooj, “Real-time 3D Eyeball Visualization on Stereo Eye Movements Tracking System,” in The 3rd Regional Conference on ICT Applications for Industries and Small Companies in ASEAN Countries (RCICT 2011), pp. 127-131. Laos, 2011.Download PDF

2009

  1. S. Tungjitkusolmun & S. Wibirama, ”Biometrics for Human Identity Verification” , in Proceeding of 1st AUN/Seed-Net Regional Workshop on Information & Communication Technology (RW-ICT 2009), Bangkok, Thailand, 3-4 March 2009, pp. 230-233. Download PDF
  2. S. Wibirama, S. Tungjitkusolmun, C. Pintavirooj, and K. Hamamoto, “Real Time Eye Tracking using Initial Centroid and Gradient Analysis,” in Proceeding of  The 6th IEEE International Conference of Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology (ECTI), ISBN:978-1-4244-3388-9. Pattaya, Thailand. 6-8 May 2009, pp. 1058-1061. Download PDF
  3. S. Wibirama, S.Tungjitkusolmun, C. Pintavirooj, and K. Hamamoto, “Dual Cameras Acquisition For Three-Dimensional Eye-Motion Tracking” in Proceeding of 2nd Biomedical Engineering International Conference (BMEiCON 2009), Thailand, 2009, pp.18-19. Download PDF
  4. D.H. Fudholi & S. Wibirama, “iLab: Sistem Manajemen Konten Laboratorium Terdistribusi,” in Proceeding of Konferensi Nasional Sistem Informasi 2009, ISBN:978-979-1153-66-9, Yogyakarta, Indonesian Islamic University, 2009. (Bahasa Indonesia). Download PDF
  5. S. Wibirama, “Sistem Pelacak Gerakan Mata 3D”, in Proceeding of Seminar Nasional Teknologi Informasi 2009 (SNATI 2009) , ISSN:1907-5022, Yogyakarta, Indonesian Islamic University, 2009. (Bahasa Indonesia).Download PDF
  6. S. Wibirama, V. Mahasitthiwat, S. Tungjitkusolmun, C. Pintavirooj, and K. Vichienchom, “Eye-Motion Tracking Using Motion Gradient,” in Proceeding of  The 3rd International Symposium on Biomedical Engineering 2008, Thailand, 2008, pp.84-87 and in The Papers of Technical Meeting on Medical and Biological Engineering 09-36~70, IEE Japan, 31 March 2009, pp. 121-124. Download PDF

2008

  1. D. Sueaseeak, S. Wibirama, T. Chanwimalueang, C. Pintavirooj, and M. Sangworasil, “Comparison Study of Muscular-Contraction Classification Between Independent Component Analysis and Artificial Neural Network,” in Proceeding of IEEE International Symposium on Communication and Information Technology  2008, ISBN: 978-1-4244-2336-1, Laos, 2008, pp. 468-472. Download PDF