Plenoptic Imaging

CORDIS proporciona enlaces a los documentos públicos y las publicaciones de los proyectos de los programas marco HORIZONTE.

Los enlaces a los documentos y las publicaciones de los proyectos del Séptimo Programa Marco, así como los enlaces a algunos tipos de resultados específicos, como conjuntos de datos y «software», se obtienen dinámicamente de OpenAIRE .

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Project website online

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Plenoptics conference

Conference organized by the network focusing on topics related to plenoptic imaging.

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Presenting project results to industry

Publicaciones

Temporal resolution Improvement in Dynamic Speckle Analysis

Autores: Mikhail Levchenko, Elena Stoykova, Violeta Madjarova
Publicado en: Materials, Methods and Technologies, 2022, Página(s) 189-197, ISSN 1314-7269
Editor: Science Events Ltd

CR-DARTS: Channel Redistribution-Based Differentiable Architecture Search

Autores: Ali Hassan, Tingting Zhang, Karen Egiazarian, Mårten Sjöström
Publicado en: IEEE Access, Edición 13, 2025, Página(s) 201166-201182, ISSN 2169-3536
Editor: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/access.2025.3637375

HEADSET: Human Emotion Awareness under Partial Occlusions Multimodal DataSET

Autores: Fatemeh Ghorbani Lohesara, Davi Rabbouni Freitas, Christine Guillemot, Karen Eguiazarian, Sebastian Knorr
Publicado en: IEEE Transactions on Visualization and Computer Graphics, Edición 29, 2023, Página(s) 4686-4696, ISSN 1077-2626
Editor: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tvcg.2023.3320236

Normalization in dynamic speckle analysis for non-destructive monitoring of speed of processes

Autores: Elena Stoykova, Dimana Nazarova, Lian nedelchev, Mikhail Levchenko, Natalia Berberova, B. Ivanov
Publicado en: Journal of Physics: Conference Series, 2021, ISSN 1742-6596
Editor: IOP Publishing Ltd
DOI: 10.1088/1742-6596/2091/1/012002

Noise analysis in outdoor dynamic speckle measurement

Autores: Mikhail Levchenko, Elena Stoykova, Branimir Ivanov, Lian Nedelchev, Dimana Nazarova, Kihong Choi, Joongki Park
Publicado en: Applied Optics, Edición 62, 2024, Página(s) D187, ISSN 1559-128X
Editor: Optica Publishing Group
DOI: 10.1364/ao.478518

Intensity-based dynamic speckle method using JPEG and JPEG2000 compression

Autores: Elena Stoykova, Blaga Blagoeva, Natalia Berberova, Mikhail Levchenko
Publicado en: Applied Optics, 2022, Página(s) Vol 61, Iddue 5, pp. B287-B296, ISSN 2155-3165
Editor: Optica Publishing Group
DOI: 10.1364/ao.444831

Adaptive Segmentation-Based Initialization for Steered Mixture of Experts Image Regression

Autores: Yi-Hsin Li, Sebastian Knorr, Mårten Sjöström, Thomas Sikora
Publicado en: IEEE Transactions on Multimedia, Edición 27, 2025, Página(s) 9802-9817, ISSN 1520-9210
Editor: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tmm.2025.3618576

Visibility-Based Geometry Pruning of Neural Plenoptic Scene Representations

Autores: Davi R. Freitas, Ioan Tabus, Christine Guillemot
Publicado en: IEEE Transactions on Multimedia, Edición 28, 2026, Página(s) 1-16, ISSN 1520-9210
Editor: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tmm.2025.3618548

Transfer Learning-Based Approach for Thickness Estimation on Optical Coherence Tomography of Varicose Veins

Autores: Maryam Viqar, Violeta Madjarova, Elena Stoykova, Dimitar Nikolov, Ekram Khan, Keehoon Hong
Publicado en: Micromachines, Edición 15, 2025, Página(s) 902, ISSN 2072-666X
Editor: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/mi15070902

Dynamic load balancing for real-time multiview path tracing on multi-GPU architectures

Autores: Erwan Leria, Markku Makitalo, Julius Ikkala, Pekka Jääskeläinen
Publicado en: Virtual Reality & Intelligent Hardware, Edición 7, 2025, Página(s) 393-405, ISSN 2096-5796
Editor: Elsevier BV
DOI: 10.1016/j.vrih.2022.08.013

PVSDNet: Joint Depth Prediction and View Synthesis Via Shared Latent Spaces in Real-Time

Autores: Manu Gond, Emin Zerman, Sebastian Knorr, Mårten Sjöström
Publicado en: IEEE Access, Edición 14, 2026, Página(s) 9021-9037, ISSN 2169-3536
Editor: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/access.2026.3653905

REDARTS: Regressive Differentiable Neural Architecture Search for Exploring Optimal Light Field Disparity Estimation Network

Autores: Ali Hassan, Mårten Sjöström, Tingting Zhang, Karen Egiazarian
Publicado en: IEEE Transactions on Emerging Topics in Computational Intelligence, Edición 10, 2026, Página(s) 531-542, ISSN 2471-285X
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/tetci.2025.3592281

Reconstruction of Optical Coherence Tomography Images from Wavelength Space Using Deep Learning

Autores: Maryam Viqar, Erdem Sahin, Elena Stoykova, Violeta Madjarova
Publicado en: Sensors, Edición 25, 2024, Página(s) 93, ISSN 1424-8220
Editor: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/s25010093

Double-phase metasurface operators for all-optical image processing

Autores: Linzhi Yu, Haobijam J. Singh, Jesse Pietila, Humeyra Caglayan
Publicado en: Light: Science & Applications, Edición 15, 2026, ISSN 2047-7538
Editor: Springer Science and Business Media LLC
DOI: 10.1038/s41377-025-02153-w

Modified Watershed Approach for Segmentation of Complex Optical Coherence Tomographic Images

Autores: Maryam Viqar, Violeta Madjarova, Elena Stoykova
Publicado en: Materials, Methods, and Technologies, 2022, Página(s) 180-188, ISSN 1314-7269
Editor: Science Events Ltd

Geometry-aware video inpainting for joint headset occlusion removal and face reconstruction in social extended reality

Autores: Fatemeh Ghorbani Lohesara, Karen Eguiazarian, Sebastian Knorr
Publicado en: Journal of Electronic Imaging, Edición 34, 2025, ISSN 1017-9909
Editor: S P I E - International Society for Optical Engineering
DOI: 10.1117/1.jei.34.5.051003

Efficient and Fast Light Field Compression via VAE-Based Spatial and Angular Disentanglement

Autores: Soheib Takhtardeshir, Roger Olsson, Christine Guillemot, Mårten Sjöström
Publicado en: IEEE Access, Edición 13, 2025, Página(s) 18594-18607, ISSN 2169-3536
Editor: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/access.2025.3532608

Learning flat optics for extended depth of field microscopy imaging

Autores: Ipek Anil Atalay Appak, Erdem Sahin, Christine Guillemot, Humeyra Caglayan
Publicado en: Nanophotonics, Edición 12, 2023, Página(s) 3623-3632, ISSN 2192-8614
Editor: Walter de Gruyter GmbH
DOI: 10.1515/nanoph-2023-0321

Multifunctional Meta-optic Azimuthal Shear Interferometer

Autores: Linzhi Yu, Sergei Shevtsov, Haobijam Johnson Singh, Peter G. Kazansky, Humeyra Caglayan
Publicado en: Nano Letters, Edición 25, 2025, Página(s) 7419-7425, ISSN 1530-6984
Editor: American Chemical Society
DOI: 10.1021/acs.nanolett.5c00873

Inverse metasurface design enabling arbitrary spectral and polarization control

Autores: Md Imran Hossain, Linzhi Yu, Humeyra Caglayan
Publicado en: Optical Materials Express, Edición 15, 2025, Página(s) 3036, ISSN 2159-3930
Editor: Optical Society of America
DOI: 10.1364/ome.576189

Phase-Shifting Structured Illumination with a Polarization-Encoded Metasurface

Autores: Linzhi Yu, Jesse Pietila, Haobijam Johnson Singh, Humeyra Caglayan
Publicado en: Nano Letters, Edición 25, 2025, Página(s) 11696-11702, ISSN 1530-6984
Editor: American Chemical Society
DOI: 10.1021/acs.nanolett.5c02789

Dynamic speckle imaging with SVD compression

Autores: Elena Stoykova, Mikhail Levchenko, B. Ivanoc, Violeta Madjarova, Dimana Nazarova, Lian Nedelchev, A. Mascikhin, J. Park
Publicado en: Journal of Physics: Conference Series, 2022, ISSN 1742-6596
Editor: IOP Publishing Ltd
DOI: 10.1088/1742-6596/2407/1/012049

Dualf-D: Disentangled Dual-Hyperprior Approach for Light Field Image Compression

Autores: Soheib Takhtardeshir, Roger Olsson, Christine Guillemot, Mårten Sjöström
Publicado en: Signal processing: Image Communication, 2025, ISSN 0923-5965
Editor: Elsevier BV
DOI: 10.2139/ssrn.5294260

Subjective Visual Quality Assessment of Compressed Light Field Images: Learning-based vs. Conventional Methods

Autores: Emin Zerman, Soheib Takhtardeshir, Anthony Trioux, Jianlong Qin, Wenjie Wu, Roger Olsson, Mårten Sjöström
Publicado en: 2025 IEEE International Workshop on Multimedia Signal Processing (MMSP), 2026, Página(s) 96-101
Editor: IEEE
DOI: 10.1109/mmsp64401.2025.11324097

A Deep Learning based Light Field Image Compression as Pseudo Video Sequences with Additional in-loop Filtering

Autores: Soheib Takhtardeshir, Roger Olsson, Christine Guillemot, Mårten Sjöström
Publicado en: Electronic Imaging, Edición 36, 2024, Página(s) 103-1-103-6, ISSN 2470-1173
Editor: Society for Imaging Science & Technology
DOI: 10.2352/ei.2024.36.18.3dia-103

Edge-preserving denoising and super-resolution in OCT imagery using deep SMoE gating networks

Autores: Aytac Ozkan, Violeta Madjarova, Thomas Sikora, Elena V. Stoykova
Publicado en: Biomedical Spectroscopy, Microscopy, and Imaging III, 2024, Página(s) 86
Editor: SPIE
DOI: 10.1117/12.3017126

Towards Realistic Landmark-Guided Facial Video Inpainting Based on GANs

Autores: Fatemeh Ghorbani Lohesara, Karen Eguiazarian, Sebastian Knorr
Publicado en: Electronic Imaging, Edición 36, 2024, Página(s) 246-1-246-6, ISSN 2470-1173
Editor: Society for Imaging Science & Technology
DOI: 10.2352/ei.2024.36.10.ipas-246

Vanishing Point Aided Hash-Frequency Encoding for Neural Radiance Fields (NeRF) from Sparse 360°Input

Autores: Kai Gu, Thomas Maugey, Sebastian Knorr, Christine Guillemot
Publicado en: 2023 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), 2024, Página(s) 1142-1151, ISBN 979-8-3503-2838-7
Editor: IEEE
DOI: 10.1109/ismar59233.2023.00131

Perceptually Optimized Model for Near-Eye Light Field Reconstruction

Autores: Ugur Gudelek, Erdem Sahin, Atanas Gotchev
Publicado en: 2023 IEEE 25th International Workshop on Multimedia Signal Processing (MMSP), 2023, Página(s) 1-6, ISBN 979-8-3503-3894-2
Editor: IEEE
DOI: 10.1109/mmsp59012.2023.10337716

DUALF-C: Disentangled Light Field Compression with Entropy-Aware Bitstream Generation

Autores: Soheib Takhtardeshir, Roger Olsson, Christine Guillemot, Mårten Sjöström
Publicado en: 2025 International Conference on Visual Communications and Image Processing (VCIP), 2026, Página(s) 1-5
Editor: IEEE
DOI: 10.1109/vcip67698.2025.11396841

A Spherical Light Field Database for Immersive Telecommunication and Telepresence Applications

Autores: Emin Zerman, Manu Gond, Soheib Takhtardeshir, Roger Olsson, Mårten Sjöström
Publicado en: 2024 16th International Conference on Quality of Multimedia Experience (QoMEX), 2024, Página(s) 200-206, ISBN 979-8-3503-6158-2
Editor: IEEE
DOI: 10.1109/qomex61742.2024.10598264

A simulation framework for perceptual characterization of holographic near-eye displays

Autores: Ugur Gudelek, Erdem Sahin, Atanas Gotchev
Publicado en: Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) VII, 2026, Página(s) 97
Editor: SPIE
DOI: 10.1117/12.3101467

Segmentation-based Initialization for Steered Mixture of Experts

Autores: Yi-Hsin Li, Mårten Sjöström, Sebastian Knorr, Thomas Sikora
Publicado en: 2023 IEEE International Conference on Visual Communications and Image Processing (VCIP), 2024, Página(s) 1-5, ISBN 979-8-3503-5986-2
Editor: IEEE
DOI: 10.1109/vcip59821.2023.10402643

LFSphereNet: Real Time Spherical Light Field Reconstruction from a Single Omnidirectional Image

Autores: Manu Gond, Emin Zerman, Sebastian Knorr, Mårten Sjöström
Publicado en: Proceedings of the 20th ACM SIGGRAPH European Conference on Visual Media Production, Edición 10, 2024, Página(s) 1-10
Editor: ACM
DOI: 10.1145/3626495.3626500

Expression-aware video inpainting for HMD removal in XR applications

Autores: Fatemeh Ghorbani Lohesara, Karen Egiazarian, Sebastian Knorr
Publicado en: Proceedings of the 20th ACM SIGGRAPH European Conference on Visual Media Production, 2024, Página(s) 1-9
Editor: ACM
DOI: 10.1145/3626495.3626497

Denoising OCT images using steered mixture of experts with multi-model inference

Autores: Aytac Ozkan, Elena Stoykova, Thomas Sikora, Violeta Madjarova
Publicado en: Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVIII, 2024, Página(s) 91
Editor: SPIE
DOI: 10.1117/12.3000625

Opto-UNet: Optimized UNet for Segmentation of Varicose Veins in Optical Coherence Tomography

Autores: Maryam Viqar, Violeta Madjarova, Vipul Baghel, Elena Stoykova
Publicado en: 2022 10th European Workshop on Visual Information Processing (EUVIP), 2022
Editor: IEEE
DOI: 10.1109/euvip53989.2022.9922769

Light-Weight EPINET Architecture for Fast Light Field Disparity Estimation

Autores: Ali Hassan, Mårten Sjöström, Tingting Zhang, Karen Egiazarian
Publicado en: 2022 IEEE 24th International Workshop on Multimedia Signal Processing (MMSP), 2022
Editor: IEEE
DOI: 10.1109/mmsp55362.2022.9949378

Environmental Noise Impact on Dynamic Speckle Imaging

Autores: Elena Stoykova, Mikhail Levchenko, Blaga Blagoeva, Dimana Nazarova, Lian Nedelchev, Nataliya Berberova-Buhova, Kihong Choi, and Joongki Park
Publicado en: Digital Holography and 3-D Imaging 2022, 2022
Editor: Optica Publishing Group
DOI: 10.1364/dh.2022.w1a.3

Interactive Multi-GPU Light Field Path Tracing Using Multi-Source Spatial Reprojection

Autores: Erwan Leria, Markku Mäkitalo, Pekka Jääskeläinen, Mårten Sjöström, Tingting Zhang
Publicado en: 30th ACM Symposium on Virtual Reality Software and Technology, 2024, Página(s) 1-11
Editor: ACM
DOI: 10.1145/3641825.3687710

Real-Time View Synthesis with Multiplane Image Network using Multimodal Supervision

Autores: Manu Gond, Mohammadreza Shamshirgarha, Emin Zerman, Sebastian Knorr, Mårten Sjöström
Publicado en: 2025 IEEE International Workshop on Multimedia Signal Processing (MMSP), 2026, Página(s) 60-65
Editor: IEEE
DOI: 10.1109/mmsp64401.2025.11324036

RegSegField: Mask-Regularization and Hierarchical Segmentation for Novel View Synthesis from Sparse Inputs

Autores: Kai Gu, Thomas Maugey, Knorr Sebastian, Christine Guillemot
Publicado en: Proceedings of 21st ACM SIGGRAPH Conference on Visual Media Production, 2025, Página(s) 1-10
Editor: ACM
DOI: 10.1145/3697294.3697299

EPINET-Lite: Rethinking Mixed Convolutions for Efficient Light Field Disparity Estimation Network

Autores: Ali Hassan, Tingting Zhang, Karen Egiazarian, Mårten Sjöström
Publicado en: 2025 IEEE International Workshop on Multimedia Signal Processing (MMSP), 2026, Página(s) 120-125
Editor: IEEE
DOI: 10.1109/mmsp64401.2025.11324204

Intensity-based dynamic speckle method for analysis of variable-rate dynamic events

Autores: Elena Stoykova, Lian Nedelchev, Blaga Blagoeva, Branimir Ivanov, Mikhail Levchenko, Nataliya Berberova-Buhova, Dimana Nazarova
Publicado en: Optical Measurement Systems for Industrial Inspection XIII, 2023, Página(s) 85
Editor: SPIE
DOI: 10.1117/12.2673462

Deep Learning based Segmentation of Optical Coherence Tomographic Images of Human Saphenous Varicose Vein

Autores: Maryam Viqar, Violeta Madjarova, Amit Kumar Yadav, Desislava Pashkuleva, and Alexander S. Machikhin
Publicado en: Digital Holography and 3D Imaging 2022, 2022
Editor: Optica Publishing Group
DOI: 10.1364/dh.2022.w2a.5

3D SMoE Splatting for Edge-aware Realtime Radiance Field Rendering

Autores: Yi-Hsin Li, Thomas Sikora, Sebastian Knorr, Mårten Sjöström
Publicado en: Proceedings of the SIGGRAPH Asia 2025 Conference Papers, 2025, Página(s) 1-11
Editor: ACM
DOI: 10.1145/3757377.3763899

Training Methods for Regularizing Gradients on Multi-Task Image Restoration Problems

Autores: Samuel Willingham, Mårten Sjöström, Christine Guillemot
Publicado en: Proceedings of the 19th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, 2024, Página(s) 145-153
Editor: SCITEPRESS - Science and Technology Publications
DOI: 10.5220/0012368100003660

A Visual Quality of Experience Toolkit for Realistic Immersive Telepresence Applications

Autores: Manu Gond, Emin Zerman, Mohammadreza Shamshirgarha, Sebastian Knorr, Mårten Sjöström
Publicado en: 17th International Conference on Quality of Multimedia Experience (QoMEX 2025), 2025
Editor: 17th International Conference on Quality of Multimedia Experience (QoMEX 2025)

Maximum a Posteriori Training of Diffusion Models for Image Restoration

Autores: Samuel Willingham, Mårten Sjöström, Christine Guillemot
Publicado en: 2025 33rd European Signal Processing Conference (EUSIPCO), 2025, Página(s) 1882-1886
Editor: IEEE
DOI: 10.23919/eusipco63237.2025.11226569

Real-time Stereoscopic Image-parallel Path Tracing

Autores: Erwan Leria, Markku Mäkitalo, Pekka Jääskeläinen
Publicado en: Electronic Imaging, Edición 36, 2024, Página(s) 181-1-181-6, ISSN 2470-1173
Editor: Society for Imaging Science & Technology
DOI: 10.2352/ei.2024.36.13.ervr-181

A Comparative Assessment of Implicit and Explicit Plenoptic Scene Representations

Autores: Davi R. Freitas, Ricardo L. de Queiroz, Ioan Tabus, Christine Guillemot
Publicado en: 2024 IEEE 26th International Workshop on Multimedia Signal Processing (MMSP), 2024, Página(s) 1-6, ISBN 979-8-3503-8726-1
Editor: IEEE
DOI: 10.1109/mmsp61759.2024.10743228

Portable low-cost setup for outdoor implementation of dynamic speckle technique

Autores: Mikhail Levchenko, Elena Stoykova, Keehoon Hong, Joongki Park
Publicado en: Optical Measurement Systems for Industrial Inspection XIII, 2023, Página(s) 55
Editor: SPIE
DOI: 10.1117/12.2673460

Steered-Mixture-of-Experts Regression for Image Denoising with Multi-Model Inference

Autores: Aytac Özkan, Yi-Hsin Li, Thomas Sikora
Publicado en: 2023 31st European Signal Processing Conference (EUSIPCO), 2023, Página(s) 546-550
Editor: IEEE
DOI: 10.23919/eusipco58844.2023.10289994

Geometry-Based Compression of Plenoptic Point Clouds

Autores: Davi R. Freitas, Gustavo L. Sandri, Ricardo L. De Queiroz
Publicado en: 2022 IEEE 24th International Workshop on Multimedia Signal Processing (MMSP), 2022, Página(s) 1-5
Editor: IEEE
DOI: 10.1109/mmsp55362.2022.9949107

Omni-nerf: neural radiance field from 360° image captures

Autores: Kai Gu, Thomas Maugey, Sebastian Knorr, Christine Guillemot
Publicado en: 2022 IEEE International Conference on Multimedia and Expo (ICME), 2022
Editor: IEEE
DOI: 10.1109/icme52920.2022.9859817

Prior for Multi-Task Inverse Problems in Image Reconstruction Using Deep Equilibrium Models

Autores: Samuel Willingham, Mårten Sjöström, Christine Guillemot
Publicado en: 2023 31st European Signal Processing Conference (EUSIPCO), 2023, Página(s) 1220-1224, ISBN 979-8-3503-2811-0
Editor: IEEE
DOI: 10.23919/eusipco58844.2023.10289950

Compression of PlenOctree Model Attributes Enabling Fast Communication and Rendering of Neural Radiance Fields

Autores: Davi R. Freitas, Christine Guillemot, Ioan Tabus
Publicado en: 2023 31st European Signal Processing Conference (EUSIPCO), 2023, Página(s) 590-594, ISBN 979-8-3503-2811-0
Editor: IEEE
DOI: 10.23919/eusipco58844.2023.10289984

A Visual Quality of Experience Toolkit for Realistic Immersive Telepresence Applications

Autores: Manu Gond, Emin Zerman, Mohammadreza Shamshirgarha, Sebastian Knorr, Mårten Sjöström
Publicado en: 2025 17th International Conference on Quality of Multimedia Experience (QoMEX), 2025, Página(s) 1-7
Editor: IEEE
DOI: 10.1109/qomex65720.2025.11219996

WAVE-UNET: Wavelength-based image reconstruction method using attention UNET for OCT images

Autores: Maryam Viqar, Erdem Sahin, Violeta Madjarova, Elena Stoykova, Keehoon Hong
Publicado en: Medical Imaging 2024: Physics of Medical Imaging, 2024, Página(s) 154, ISSN 1605-7422
Editor: SPIE
DOI: 10.1117/12.3006615

Segmentation-Driven Initialization for Sparse-view 3D Gaussian Splatting

Autores: Yi-Hsin Li, Thomas Sikora, Sebastian Knorr, Mårten Sjöström
Publicado en: ssrn.com, 2026
Editor: Elsevier BV
DOI: 10.2139/ssrn.6080592

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