publications

Selected publications. You can find a full list of publications in my Google Scholar.

2025

  1. Data-driven Stochastic Wavefront Optimization for Multispectral Extended Depth-of-Field Imaging
    Exequiel Oliva, Nelson Dı́az, Samuel Pinilla, and 1 more author
    In Digital Holography and Three-Dimensional Imaging, 2025
  2. Multispectral Extended Depth-of-Field Imaging via Stochastic Wavefront Optimization
    Exequiel Oliva, Nelson Dı́az, Samuel Pinilla, and 1 more author
    IEEE Open Journal of Signal Processing, 2025
  3. Discovering fully semantic representations via centroid-and orientation-aware feature learning
    Jaehoon Cha, Jinhae Park, Samuel Pinilla, and 4 more authors
    Nature Machine Intelligence, 2025
  4. WaveMax: Radar Waveform Design via Convex Maximization of FrFT Phase Retrieval
    Samuel Pinilla, Kumar Vijay Mishra, and Brian M Sadler
    arXiv preprint arXiv:2501.14164, 2025

2024

  1. Phasing a small deployable optical space telescope using focal-plane wavefront sensing
    Noah Schwartz, Éamonn Harvey, Samuel Pinilla, and 6 more authors
    In Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 2024
  2. Deep Learning Evidence for Global Optimality of Gerver’s Sofa
    Kuangdai Leng, Jia Bi, Jaehoon Cha, and 2 more authors
    Symmetry, 2024
  3. Global convergence of alternating direction method of multipliers for invex objective losses
    Samuel Pinilla, Siu-Lun Yeung, and Jeyan Thiyagalingam
    In ICASSP 2024-2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2024
  4. Global Optimality for Non-linear Constrained Restoration Problems via Invexity
    Samuel Pinilla, and Jeyan Thiyagalingam
    In The Twelfth International Conference on Learning Representations, 2024
  5. Phase retrieval for radar waveform design
    Samuel Pinilla, Kumar Vijay Mishra, Brian M Sadler, and 1 more author
    Information and Inference: A Journal of the IMA, 2024

2023

  1. Kernelless Blind Inverse Imaging for Flat Meta-Optics Camera
    Samuel Pinilla, Wenzhu Xing, Seyyed Reza Miri Rostami, and 5 more authors
    In 2023 31st European Signal Processing Conference (EUSIPCO), 2023
  2. Miniature color camera via flat hybrid meta-optics
    Samuel Pinilla, Johannes E Fröch, Seyyed Reza Miri Rostami, and 4 more authors
    Science Advances, 2023
  3. Unfolding-aided bootstrapped phase retrieval in optical imaging: Explainable AI reveals new imaging frontiers
    Samuel Pinilla, Kumar Vijay Mishra, Igor Shevkunov, and 3 more authors
    IEEE Signal Processing Magazine, 2023
  4. Hybrid diffractive optics (DOE & refractive lens) for broadband EDoF imaging
    SeyyedReza MiriRostami, Samuel Pinilla, Igor Shevkunov, and 2 more authors
    Electronic Imaging, 2023
  5. An overview of advances in signal processing techniques for classical and quantum wideband synthetic apertures
    Peter Vouras, Kumar Vijay Mishra, Alexandra Artusio-Glimpse, and 4 more authors
    IEEE Journal of Selected Topics in Signal Processing, 2023
  6. Unique Bispectrum Inversion for Signals with Finite Spectral/Temporal Support
    Samuel Pinilla, Kumar Vijay Mishra, and Brian M Sadler
    In ICASSP 2023-2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2023

2022

  1. Improved Imaging by Invex Regularizers with Global Optima Guarantees
    Samuel Pinilla, Tingting Mu, Neil Bourne, and 1 more author
    In https://openreview.net/pdf?id=VpHFHz57fT, 2022
  2. Multi-Sensor Image Feature Fusion via Subspace-Based Approach Using $\backslashell _ {1} $-Gradient Regularization
    Héctor Vargas, Juan Ramı́rez, Samuel Pinilla, and 1 more author
    IEEE Journal of Selected Topics in Signal Processing, 2022
  3. Group-theoretic wideband radar waveform design
    Kumar Vijay Mishra, Samuel Pinilla, Ali Pezeshki, and 1 more author
    In 2022 IEEE International Symposium on Information Theory (ISIT), 2022
  4. Hybrid diffractive optics design via hardware-in-the-loop methodology for achromatic extended-depth-of-field imaging
    Samuel Pinilla, Seyyed Reza Miri Rostami, Igor Shevkunov, and 2 more authors
    Optics Express, 2022

2021

  1. Non-convex recovery from phaseless low-resolution blind deconvolution measurements using noisy masked patterns
    Samuel Pinilla, Kumar Vijay Mishra, and Brian M Sadler
    In 2021 55th Asilomar Conference on Signals, Systems, and Computers, 2021
  2. Shift-variant color-coded diffractive spectral imaging system
    Henry Arguello, Samuel Pinilla, Yifan Peng, and 3 more authors
    Optica, 2021
  3. Power-balanced hybrid optics boosted design for achromatic extended depth-of-field imaging via optimized mixed OTF
    Seyyed Reza Miri Rostami, Samuel Pinilla, Igor Shevkunov, and 2 more authors
    Applied Optics, 2021
  4. WaveMax: FrFT-based convex phase retrieval for radar waveform design
    Samuel Pinilla, Kumar Vijay Mishra, and Brian Sadler
    In 2021 IEEE International Symposium on Information Theory (ISIT), 2021
  5. BanRaW: Band-limited radar waveform design via phase retrieval
    Samuel Pinilla, Kumar Vijay Mishra, Brian M Sadler, and 1 more author
    In ICASSP 2021-2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2021

2020

  1. Deep Learning Model-Based for Image Reconstruction in Compressive Spectral Imaging
    Yesid Fonseca, Kevin Arias, Samuel Pinilla, and 1 more author
    In Imaging Systems and Applications, 2020
  2. Fast target detection via template matching in compressive phase retrieval
    Andrés Jerez, Samuel Pinilla, and Henry Arguello
    IEEE Transactions on Computational Imaging, 2020
  3. Phase recovery guarantees from designed coded diffraction patterns in optical imaging
    Andrés Guerrero, Samuel Pinilla, and Henry Arguello
    IEEE Transactions on Image Processing, 2020
  4. Single-shot coded diffraction system for 3D object shape estimation
    Samuel Pinilla, Laura Galvis, Karen Egiazarian, and 1 more author
    In IS and T International Symposium on Electronic Imaging Science and Technology, 2020

2019

  1. Salient motion detection for spectral video on the compressive domain
    Samuel Pinilla, Claudia V Correa, Edwin Vargas, and 2 more authors
    In 2019 IEEE 8th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), 2019
  2. Multi-resolution Reconstruction Algorithm for Phase Retrieval in X-ray Crystallography
    Jhon Angarita, Samuel Pinilla, Hans Garcia, and 1 more author
    In 2019 27th European Signal Processing Conference (EUSIPCO), 2019
  3. Target identification from coded diffraction patterns via template matching
    Andrés Jerez, Samuel Pinilla, Hans Garcia, and 1 more author
    In 2019 27th European Signal Processing Conference (EUSIPCO), 2019
  4. Coded aperture design for super-resolution phase retrieval
    Jorge Bacca, Samuel Pinilla, and Henry Arguello
    In 2019 27th European Signal Processing Conference (EUSIPCO), 2019
  5. Super-resolution phase retrieval from designed coded diffraction patterns
    Jorge Bacca, Samuel Pinilla, and Henry Arguello
    IEEE Transactions on Image Processing, 2019
  6. Sparsity-based Phase Retrieval from Diffractive Optical Imaging
    Andrés Guerrero, Kevin Arias, Samuel Pinilla, and 1 more author
    In 2019 XXII Symposium on Image, Signal Processing and Artificial Vision (STSIVA), 2019
  7. Frequency-resolved optical gating recovery via smoothing gradient
    Samuel Pinilla, Tamir Bendory, Yonina C Eldar, and 1 more author
    IEEE Transactions on Signal Processing, 2019

2018

  1. Coded diffraction system in x-ray crystallography using a boolean phase coded aperture approximation
    Samuel Pinilla, Juan Poveda, and Henry Arguello
    Optics Communications, 2018
  2. Phase retrieval algorithm via nonconvex minimization using a smoothing function
    Samuel Pinilla, Jorge Bacca, and Henry Arguello
    IEEE Transactions on Signal Processing, 2018
  3. A fast endmember estimation algorithm from compressive measurements
    Edwin Vargas, Samuel Pinilla, and Henry Arguello
    In 2018 26th European Signal Processing Conference (EUSIPCO), 2018
  4. Phase Retrieval via Smoothing Projected Gradient Method
    Samuel Pinilla, Jorge Bacca, Jhon Angarita, and 1 more author
    In 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2018
  5. Robust Formulation for Solving Underdetermined Random Linear System of Equations Via Admm
    Edwin Vargas, Samuel Pinilla, Jorge Bacca, and 1 more author
    In 2018 IEEE Statistical Signal Processing Workshop (SSP), 2018
  6. A smoothing stochastic phase retrieval algorithm for solving random quadratic systems
    Samuel Pinilla, Jorge Bacca, Jean-Yves Tourneret, and 1 more author
    In 2018 IEEE Statistical Signal Processing Workshop (SSP), 2018
  7. Sprsf: Sparse phase retrieval via smoothing function
    Samuel Pinilla, Jorge Bacca, and Henry Arguello
    arXiv preprint arXiv:1807.09703, 2018
  8. Sparse Phase Retrieval Algorithm via Smoothing Function in Compressive Optical Imaging
    Samuel Pinilla, Jorge Bacca, Daniel Molina, and 2 more authors
    In Mathematics in Imaging, 2018
  9. Super-resolution phase retrieval algorithm using a smoothing function
    Jorge Bacca, Samuel Pinilla, Daniel Molina, and 2 more authors
    Mathematics in Imaging, 2018
  10. Subsampling Schemes for the 2D Nuclear Magnetic Resonance Spectroscopy
    Samuel Pinilla, Kareth León, Daniel Molina, and 2 more authors
    In Computational Optical Sensing and Imaging, 2018
  11. Coded aperture design for solving the phase retrieval problem in X-ray crystallography
    Samuel Pinilla, Hans Garcı́a, Luis Dı́az, and 2 more authors
    Journal of Computational and Applied Mathematics, 2018

2017

  1. Stochastic Truncated Wirtinger Flow Algorithm for phase retrieval using boolean coded apertures
    Samuel Pinilla, Camilo Noriega, and Henry Arguello
    In 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2017
  2. Boolean approximation of a phase-coded aperture diffraction pattern system for X-ray crystallography
    Samuel Pinilla, Tatiana Gelvez, and Henry Arguello
    In 2017 IEEE 7th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), 2017
  3. Multi-resolution reconstruction algorithm for compressive single pixel spectral imaging
    Hans Garcia, Claudia V Correa, Ofelia Villarreal, and 2 more authors
    In 2017 25th European Signal Processing Conference (EUSIPCO), 2017

2016

  1. Phase recovery from diffraction patterns using boolean coded apertures and the truncated wirtinger flow algorithm
    Samuel Pinilla, and Henry Arguello
    In Applied Industrial Optics: Spectroscopy, Imaging and Metrology, 2016
  2. Sensing matrix design for spatially-selective compressive spectral imaging
    Dayanna Espinosa, Samuel Pinilla, and Henry Arguello
    In 2016 XXI Symposium on Signal Processing, Images and Artificial Vision (STSIVA), 2016
  3. Probability of correct reconstruction in compressive spectral imaging
    Samuel Pinilla, Héctor M Vargas, and H Arguello
    Ingenierı́a e Investigación, 2016