Dr. Diclehan Ulucan

Contact
Institut für Mathematik und Informatik
Walther-Rathenau-Str. 47
17489 Greifswald‚
Telefon: +49 3834 420 4618
Email: diclehan.ulucan[at]uni-greifswald.de

Teaching
Natural Language Processing (Tutorials): WiSe 2023/2024, SoSe 2026
Robotics (Tutorials): SoSe 2024, WiSe 2025/2026
Evolutionary Algorithms (Tutorials): SoSe 2025
Computer Graphics I (Tutorials): WiSe 2025/2025
Computer Graphics II (Tutorials): SoSe 2023
Short Biography
Diclehan Ulucan (née Karakaya) is a research assistant in computer science. She is working in the fields of computer vision and natural language processing. She received her Ph.D. in 2025 under the supervision of Prof. Dr. Marc Ebner at the University of Greifswald, where she studied intrinsic image decomposition. She holds B.Sc. (with high honors) and M.Sc. degrees in Electrical and Electronics Engineering from the Izmir University of Economics in Türkiye. Her research interests include image formation, image enhancement and machine learning.
Selected Peer-Reviewed Publications
* Please note that all papers which are available for download here are preprints.
Ph.D. Thesis:
- Challenges and New Perspectives in Intrinsic Image Decomposition [ Thesis ]
Diclehan Ulucan
University of Greifswald, 2025
Intrinsic Image Decomposition:
Low-Light Image Enhancement based on Intrinsic Image Decomposition [ Paper ]
Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
VCIP 2026, Klagenfurt, Austria- Challenges and Applications of Intrinsic Image Decomposition: A Short Review [ Paper ]
Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
SN Computer Science, 2025
- Intrinsic Image Decomposition based on Retinex Theory, Superpixel Segmentation and Scale-Space Computations [ Paper ]
Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
CCIW 2024, Milano, Italy
- A Scale-space Approach for Surface Normal Vector Estimation from Depth Maps [Paper]
Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
SN Computer Science, 2024
- Multi-scale surface normal estimation from depth maps (Best Student Paper Award Candidate) [Paper] [Supplementary] (Presentation video is available upon request via email)
Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
IMPROVE 2023, Prague, Czech Republic
- Intrinsic Image Decomposition: Challenges and new perspectives (Best Student Paper Award Candidate) [Paper] (Presentation video is available upon request via email)
Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
IMPROVE 2023, Prague, Czech Republic
IID-NORD: A comprehensive intrinsic image decomposition dataset [Paper] [Dataset]
Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
IEEE ICIP 2022, Bordeaux, France
Color Constancy:
A Traditional Approach for Color Constancy and Color Assimilation Illusions with Its Applications to Low-light Image Enhancement [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
International Journal of Computer Vision, 2026Low-Light Image Enhancement through Multi-Scale Space Average Color [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
EUSIPCO 2025, Palermo, Italy- A computational model for color assimilation illusions and color constancy (Award Candidate) [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
ACCV 2024, Hanoi, Vietnam
- Revisiting Color Constancy Using CNNs: Including Recent Observations [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
CCIW 2024, Milano, Italy
- Multi-scale color constancy based on salient varying local spatial statistics [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
The Visual Computer, 2023
Investigating Color Illusions from the Perspective of Computational Color Constancy [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
VISAPP 2024, Rome, Italy- CC-NORD: A camera-invariant global color constancy dataset [Paper] [Dataset]
Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
EUSIPCO 2023, Helsinki, Finland
- Multi-scale block-based color constancy [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
EUSIPCO 2023, Helsinki, Finland
- Block-based color constancy: The deviation of the salient pixels [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
IEEE ICASSP 2023, Rhodes Island, Greece
- BIO-CC: Biologically inspired color constancy [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
BMVC 2022, London, UK
Color constancy beyond standard illuminants [ Paper ]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
IEEE ICIP 2022, Bordeaux, France
Low Light Image Enhancement:
- Low-Light Image Enhancement based on Intrinsic Image Decomposition [will appear]
Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
VCIP 2025, Klagenfurt, Austria
Low-Light Image Enhancement through Multi-Scale Local Space Average Color [ Paper]
Oguzhan Ulucan, Diclehan Ulucan, Marc Ebner
EUSIPCO 2025, Palermo, Italy
Natural Language Processing:
- Towards Explainable Hate Speech Detection [ Paper ]
Happy Khairunnisa Sariyanto, Diclehan Ulucan, Oguzhan Ulucan, Marc Ebner
ACL 2025, Vienna, Austria
Honors, Scholarships & Awards
- Best Pitch Award
University of Greifswald, EXIST Women
November 2024
- Performance Bonus
University of Greifswald
April 2024
- Participant and Scholarship Holder in EXIST Women 2024
University of Greifswald
March 2024 - November 2024
- DAAD Prize 2023
University of Greifswald (Awarded based on academic achievements and social work)
May 2023
- Mentee in KarriereWegeMentoring Wissenschaft
University of Greifswald (Co-financed by the European Social Funds and State of Mecklenburg-Vorpommern)
October 2022 - January 2024
- Ph.D. Scholarship
Friedrich-Naumann-Foundation for Freedom
July 2021 - March 2023
Academic Services as Reviewer
The Visual Computer 2026.
IEEE International Conference on Image Processing Satellite Workshops, 13 - 17 September 2026, Tampere, Finland.
London Imaging Meeting, 22 - 24 June 2026, London, UK.
IEEE Conference on Signal Processing and Communications Applications, 07 - 10 July 2026, Istanbul, Türkiye.
IEEE International Conference on Acoustics, Speech and Signal Processing, 04 - 08 May 2026, Barcelona, Spain.
Expert Systems With Applications, 2025.
Multimedia Systems, 2025.
IEEE Conference on Signal Processing and Communications Applications, 25 - 28 June 2025, Istanbul, Türkiye.
IEEE International Joint Conference on Neural Networks, 30 June - 05 July 2025, Rome, Italy.
IEEE International Conference on Acoustics, Speech and Signal Processing, 06 - 11 April 2025, Hyderabad, India.
International Conference on Computer Graphics and Virtuality, 21 - 23 February 2025, Chengdu, China.
IEEE International Conference on Acoustics, Speech and Signal Processing, 14 - 19 April 2024, Seoul, Korea.
International Conference on Computer Graphics and Virtuality, 23 - 25 February 2024, Hangzhou, China.