publications

2026

1. arXiv

   PyFLI: A Python Library for Simulation, Parameter Estimation, and Benchmarking in Fluorescence Lifetime Imaging

   Vikas Pandey, Ismail Erbas, Margarida Barroso, and 2 more authors

   arXiv preprint arXiv:2609.11994, 2026

   arXiv Bib

   @article{pandey2026pyfli,
     title = {PyFLI: A Python Library for Simulation, Parameter Estimation, and Benchmarking in Fluorescence Lifetime Imaging},
     author = {Pandey, Vikas and Erbas, Ismail and Barroso, Margarida and Radev, Stefan and Intes, Xavier},
     journal = {arXiv preprint arXiv:2609.11994},
     year = {2026},
     url = {https://arxiv.org/abs/2609.11994}
   }

2. arXiv

   When Quantization Breaks Memory: Recurrent-State Write-Back in Low-Precision Temporal Inference

   Ismail Erbas, Xavier Intes, and Vikas Pandey

   arXiv preprint arXiv:2609.04490, 2026

   arXiv Bib

   @article{erbas2026quantization,
     title = {When Quantization Breaks Memory: Recurrent-State Write-Back in Low-Precision Temporal Inference},
     author = {Erbas, Ismail and Intes, Xavier and Pandey, Vikas},
     journal = {arXiv preprint arXiv:2609.04490},
     year = {2026},
     url = {https://arxiv.org/abs/2609.04490}
   }

3. ICLR

   Compositional amortized inference for large-scale hierarchical Bayesian models

   Jonas Arruda, Vikas Pandey, Catherine Sherry, and 4 more authors

   In International Conference on Learning Representations (ICLR), 2026

   Bib

   @inproceedings{arruda2026compositional,
     title = {Compositional amortized inference for large-scale hierarchical Bayesian models},
     author = {Arruda, Jonas and Pandey, Vikas and Sherry, Catherine and Barroso, Margarida and Intes, Xavier and Hasenauer, Jan and Radev, Stefan T},
     booktitle = {International Conference on Learning Representations (ICLR)},
     year = {2026},
     url = {https://proceedings.iclr.cc/paper_files/paper/2026/file/54c306b0c044e2dc92124b6689a9574a-Paper-Conference.pdf}
   }

4. J. Biophotonics

   Enhancing Fluorescence Lifetime Imaging with Differential Transformer

   Ismail Erbas, Vikas Pandey, Navid Ibtehaj Nizam, and 6 more authors

   Journal of Biophotonics, 2026

   Bib

   @article{erbas2026enhancing,
     title = {Enhancing Fluorescence Lifetime Imaging with Differential Transformer},
     author = {Erbas, Ismail and Pandey, Vikas and Nizam, Navid Ibtehaj and Yuan, Nanxue and Verma, Amit and Young, Tynan and Williams, John and Barroso, Margarida and Intes, Xavier},
     journal = {Journal of Biophotonics},
     volume = {19},
     number = {2},
     pages = {e70231},
     year = {2026},
     publisher = {Wiley Online Library},
     url = {https://doi.org/10.1002/jbio.70231}
   }

5. J. Biophotonics

   Deep Learning Framework for 3D Fluorescence Lifetime Imaging

   Navid Ibtehaj Nizam, Vikas Pandey, Ismail Erbas, and 3 more authors

   Journal of Biophotonics, 2026

   Bib

   @article{nizam2026deep,
     title = {Deep Learning Framework for 3D Fluorescence Lifetime Imaging},
     author = {Nizam, Navid Ibtehaj and Pandey, Vikas and Erbas, Ismail and Bracher, Niels and Smith, Jason T and Intes, Xavier},
     journal = {Journal of Biophotonics},
     year = {2026},
     publisher = {Wiley Online Library},
     url = {https://doi.org/10.1101/2024.09.19.613888}
   }

2025

1. NeurIPS

   EvidenceMoE: A Physics-Guided Mixture-of-Experts with Evidential Critics for Advancing Fluorescence Light Detection and Ranging in Scattering Media

   Ismail Erbas, Ferhat Demirkiran, Karthik Swaminathan, and 6 more authors

   In NeurIPS 2025 Workshop: Imageomics – Discovering Biological Knowledge from Images Using AI, 2025

   Bib

   @inproceedings{erbas2025evidencemoe,
     title = {EvidenceMoE: A Physics-Guided Mixture-of-Experts with Evidential Critics for Advancing Fluorescence Light Detection and Ranging in Scattering Media},
     author = {Erbas, Ismail and Demirkiran, Ferhat and Swaminathan, Karthik and Wang, Naigang and Nizam, Navid Ibtehaj and Radev, Stefan T. and El Maghraoui, Kaoutar and Intes, Xavier and Pandey, Vikas},
     booktitle = {NeurIPS 2025 Workshop: Imageomics -- Discovering Biological Knowledge from Images Using AI},
     year = {2025},
     url = {https://neurips.cc/virtual/2025/loc/san-diego/128788}
   }

2. PhotoniX

   Real-time wide-field fluorescence lifetime imaging via single-snapshot acquisition for biomedical applications

   Vikas Pandey, Euan Millar, Ismail Erbas, and 14 more authors

   PhotoniX, 2025

   Bib

   @article{pandey2025real,
     title = {Real-time wide-field fluorescence lifetime imaging via single-snapshot acquisition for biomedical applications},
     author = {Pandey, Vikas and Millar, Euan and Erbas, Ismail and Chavez, Luis and Radford, Jack and Crosbourne, Isaiah and Madhusudan, Mansa and Taylor, Gregor G. and Yuan, Nanxue and Bruschini, Claudio and Radev, Stefan T. and Barroso, Margarida M. and Tobin, Andrew and Michalet, Xavier and Charbon, Edoardo and Faccio, Daniele and Intes, Xavier},
     journal = {PhotoniX},
     volume = {6},
     number = {1},
     pages = {58},
     year = {2025},
     publisher = {Springer},
     url = {https://doi.org/10.1186/s43074-025-00216-0}
   }

3. ACM

   No time to lose: Enabling real-time fluorescence lifetime imaging on resource-constrained fpgas through efficient scheduling

   Ismail Erbas, Aporva Amarnath, Vikas Pandey, and 3 more authors

   In Proceedings of the 2025 ACM/SIGDA International Symposium on Field Programmable Gate Arrays, 2025

   Bib

   @inproceedings{erbas2025no,
     title = {No time to lose: Enabling real-time fluorescence lifetime imaging on resource-constrained fpgas through efficient scheduling},
     author = {Erbas, Ismail and Amarnath, Aporva and Pandey, Vikas and Swaminathan, Karthik and Wang, Naigang and Intes, Xavier},
     booktitle = {Proceedings of the 2025 ACM/SIGDA International Symposium on Field Programmable Gate Arrays},
     pages = {186--186},
     year = {2025}
   }

4. J. Phys. Photonics

   Isolating subsurface fluorescence in macroscopic lifetime imaging via high-spatial-frequency structured illumination

   Nanxue Yuan, Saif Ragab, Navid Ibtehaj Nizam, and 6 more authors

   Journal of Physics: Photonics, 2025

   Bib

   @article{yuan2025isolating,
     title = {Isolating subsurface fluorescence in macroscopic lifetime imaging via high-spatial-frequency structured illumination},
     author = {Yuan, Nanxue and Ragab, Saif and Nizam, Navid Ibtehaj and Pandey, Vikas and Verma, Amit and Young, Tynan and Williams, John and Barroso, Margarida and Intes, Xavier},
     journal = {Journal of Physics: Photonics},
     volume = {7},
     number = {4},
     pages = {045028},
     year = {2025},
     publisher = {IOP Publishing},
     url = {https://doi.org/10.1088/2515-7647/ae0aa1}
   }

5. Optics Letters

   Evaluating tartrazine as an optical clearing agent for fluorescence lifetime imaging

   Nanxue Yuan, Saif Ragab, Luis Chavez, and 2 more authors

   Optics Letters, 2025

   Bib

   @article{yuan2025evaluating,
     title = {Evaluating tartrazine as an optical clearing agent for fluorescence lifetime imaging},
     author = {Yuan, Nanxue and Ragab, Saif and Chavez, Luis and Pandey, Vikas and Intes, Xavier},
     journal = {Optics Letters},
     volume = {50},
     number = {24},
     pages = {7588--7591},
     year = {2025},
     publisher = {Optica Publishing Group},
     url = {https://opg.optica.org/ol/abstract.cfm?uri=ol-50-24-7588}
   }

6. Biomed. Opt. Express

   Design and characterization of an optical phantom for mesoscopic multimodal fluorescence lifetime imaging and optical coherence elastography

   Luis Chavez, Shan Gao, Vikas Pandey, and 8 more authors

   Biomedical Optics Express, 2025

   Bib

   @article{chavez2025design,
     title = {Design and characterization of an optical phantom for mesoscopic multimodal fluorescence lifetime imaging and optical coherence elastography},
     author = {Chavez, Luis and Gao, Shan and Pandey, Vikas and Yuan, Nanxue and Ragab, Saif and Li, Jiayue and Hepburn, Matt S and Smith, Percy and Edelheit, Caroline and Corr, David T and others},
     journal = {Biomedical Optics Express},
     volume = {16},
     number = {3},
     pages = {1006--1024},
     year = {2025},
     publisher = {Optica Publishing Group}
   }

7. Adv. Sci.

   Fluorescence lifetime imaging for quantification of targeted drug delivery in varying tumor microenvironments

   Amit Verma, Vikas Pandey, Catherine Sherry, and 7 more authors

   Advanced Science, 2025

   Bib

   @article{verma2025fluorescence,
     title = {Fluorescence lifetime imaging for quantification of targeted drug delivery in varying tumor microenvironments},
     author = {Verma, Amit and Pandey, Vikas and Sherry, Catherine and Humphrey, Taylor and James, Christopher and Matteson, Kailie and Smith, Jason T and Rudkouskaya, Alena and Intes, Xavier and Barroso, Margarida},
     journal = {Advanced Science},
     volume = {12},
     number = {3},
     pages = {2403253},
     year = {2025},
     publisher = {Wiley Online Library}
   }

2024

1. NeurIPS2024

   Compressing Recurrent Neural Networks for FPGA-accelerated Implementation in Fluorescence Lifetime Imaging

   Ismail Erbas^*, Vikas Pandey^*, Aporva Amarnath, and 4 more authors

   In Workshop on Machine Learning and Compression, NeurIPS 2024, 2024

   Bib

   @inproceedings{anonymous2024compressing,
     title = {Compressing Recurrent Neural Networks for {FPGA}-accelerated Implementation in Fluorescence Lifetime Imaging},
     author = {Erbas, Ismail and Pandey, Vikas and Amarnath, Aporva and Wang, Naigang and Swaminathan, Karthik and Radev, Stefan T. and Intes, Xavier},
     booktitle = {Workshop on Machine Learning and Compression, NeurIPS 2024},
     year = {2024},
     url = {https://openreview.net/forum?id=Q1XDjAXIKJ}
   }

2. Optics Letters

   Deep learning-based temporal deconvolution for photon time-of-flight distribution retrieval

   Vikas Pandey, Ismail Erbas, Xavier Michalet, and 5 more authors

   Optics Letters, 2024

   Bib

   @article{vikas2024,
     title = {Deep learning-based temporal deconvolution for photon time-of-flight distribution retrieval},
     author = {Pandey, Vikas and Erbas, Ismail and Michalet, Xavier and Ulku, Arin and Bruschini, Claudio and Charbon, Edoardo and Barroso, Margarida and Intes, Xavier},
     journal = {Optics Letters},
     volume = {49},
     number = {22},
     pages = {6457--6460},
     year = {2024},
     publisher = {Optica},
     url = {https://doi.org/10.1364/OL.533923}
   }

3. Temporal Point Spread Function Deconvolution in Time-resolved Fluorescence Lifetime Imaging using Deep Learning Model

   Vikas Pandey, Ismail Erbas, Xavier Michalet, and 4 more authors

   In Optical Tomography and Spectroscopy, 2024
4. Fluorescence lifetime parameters estimation with Transformer Based Deep Learning Model

   Ismail Erbas, Vikas Pandey, Navid Ibtehaj Nizam, and 2 more authors

   In Clinical and Translational Biophotonics, 2024
5. SPIE

   Transformer-based deep learning model for fluorescence lifetime parameter estimation using pixelwise instrument response function

   Ismail Erbas, Vikas Pandey, Navid Ibtehaj Nizam, and 2 more authors

   In Multimodal Biomedical Imaging XIX, 2024
6. Deep Learning Aided Fluorescence Lifetime Tomography

   Navid Ibtehaj Nizam, Ismail Erbas, Vikas Pandey, and 2 more authors

   In Optical Tomography and Spectroscopy, 2024
7. Experimental study of Fluorescence Lifetime Uncertainty in Time-Gated ICCD-based Macroscopic Fluorescence Lifetime Imaging

   Nanxue Yuan, Vikas Pandey, Xavier Michalet, and 1 more author

   In Clinical and Translational Biophotonics, 2024
8. Multimodal Fluorescence Lifetime Imaging and Optical Coherence Elastography for Mesoscopic Structural, Biomechanical, and Molecular Imaging

   Luis Chavez, Shan Gao, Vikas Pandey, and 8 more authors

   In Clinical and Translational Biophotonics, 2024
9. Monte-Carlo Based Data Generator for Fluorescence Lifetime Applications

   Navid Ibtehaj Nizam, Ismail Erbas, Vikas Pandey, and 1 more author

   In Optical Coherence Tomography, 2024

2023

1. Near infrared fluorescence lifetime FRET microscopy to evaluate antibody drug binding in various HER2 positive cancer cell lines

   Catherine Sherry, Amit Verma, Jason Smith, and 6 more authors

   In Multiphoton Microscopy in the Biomedical Sciences XXIII, 2023

2022

1. Part. Part. Syst. Charact.

   SNC-TIRS: Label-Free Single Nanoparticle Characterization System Based on Total Internal Reflection Scattering Signal

   Arti Tyagi, Shefali Singh, Vikas Pandey, and 3 more authors

   Particle & Particle Systems Characterization, 2022

   Bib

   @article{tyagi2022snc,
     title = {SNC-TIRS: Label-Free Single Nanoparticle Characterization System Based on Total Internal Reflection Scattering Signal},
     author = {Tyagi, Arti and Singh, Shefali and Pandey, Vikas and Kumar, Sachin and Mallik, Prabhat Singh and Elangovan, Ravikrishnan},
     journal = {Particle \& Particle Systems Characterization},
     volume = {39},
     number = {12},
     pages = {2200130},
     year = {2022},
     publisher = {Wiley Online Library}
   }

2019

1. Sci. Rep.

   SeeTB: a novel alternative to sputum smear microscopy to diagnose tuberculosis in high burden countries

   Vikas Pandey, Pooja Singh, Saumya Singh, and 8 more authors

   Scientific Reports, 2019

   Gandhian Young Technology Innovation Award 2018 Bib Video

   Vikas recieved award from honorable President of India in 2018 for developement of fast, sensitive and field-deployable TB imaging method

   @article{pandey2019seetb,
     title = {SeeTB: a novel alternative to sputum smear microscopy to diagnose tuberculosis in high burden countries},
     author = {Pandey, Vikas and Singh, Pooja and Singh, Saumya and Arora, Naresh and Quadir, Neha and Singh, Saurabh and Das, Ayan and Dudeja, Mridu and Kapur, Prem and Ehtesham, Nasreen Zafar and others},
     journal = {Scientific Reports},
     volume = {9},
     number = {1},
     pages = {16371},
     year = {2019},
     publisher = {Nature Publishing Group UK London},
   }

2017

1. MAF

   Compact 3D printed module for fluorescence and label-free imaging using evanescent excitation

   Vikas Pandey, Shalini Gupta, and Ravikrishnan Elangovan

   Methods and Applications in Fluorescence, 2017

   Bib

   @article{pandey2017compact,
     title = {Compact 3D printed module for fluorescence and label-free imaging using evanescent excitation},
     author = {Pandey, Vikas and Gupta, Shalini and Elangovan, Ravikrishnan},
     journal = {Methods and Applications in Fluorescence},
     volume = {6},
     number = {1},
     pages = {015007},
     year = {2017},
     publisher = {IOP Publishing}
   }

2016

1. Adv. Mater. Technol.

   Spot immunomagnetic enrichment device for rapid detection of pathogens in peripheral blood

   Saurabh Singh, Mohita Upadhyay, Vikas Pandey, and 3 more authors

   Advanced Materials Technologies, 2016

   Bib

   @article{singh2016spot,
     title = {Spot immunomagnetic enrichment device for rapid detection of pathogens in peripheral blood},
     author = {Singh, Saurabh and Upadhyay, Mohita and Pandey, Vikas and Vivekanandan, Perumal and Gupta, Shalini and Elangovan, Ravikrishnan},
     journal = {Advanced Materials Technologies},
     volume = {1},
     number = {6},
     pages = {1600101},
     year = {2016},
     publisher = {Wiley Online Library}
   }

2. Sci. Rep.

   Maximum limit to the number of myosin II motors participating in processive sliding of actin

   Khushboo Rastogi, Mohammed Shabeel Puliyakodan, Vikas Pandey, and 2 more authors

   Scientific Reports, 2016

   Bib

   @article{rastogi2016maximum,
     title = {Maximum limit to the number of myosin II motors participating in processive sliding of actin},
     author = {Rastogi, Khushboo and Puliyakodan, Mohammed Shabeel and Pandey, Vikas and Nath, Sunil and Elangovan, Ravikrishnan},
     journal = {Scientific Reports},
     volume = {6},
     number = {1},
     pages = {32043},
     year = {2016},
     publisher = {Nature Publishing Group UK London}
   }