All Stories

  1. Jacobi–Fourier phase mask for wavefront coding

    Article • Optics and Lasers in Engineering, March 2020, Elsevier

    Alfonso Padilla Vivanco

  2. Zernike moment invariants for hand vein pattern description from raw biometric data

    Article • Journal of Electronic Imaging, October 2019, SPIE

    Alfonso Padilla Vivanco

  3. Generating micropatterns onto the core of an optical fiber end with nanoparticles using fiber modes

    Article • Laser Physics Letters, March 2019, Institute of Physics Publishing

    Alfonso Padilla Vivanco

  4. Breast thermography: a non-invasive technique for the detection of lesions

    Article • September 2018, SPIE

    Alfonso Padilla Vivanco

  5. Implementation of a Wavefront coded microscope by the use of a spatial light modulator

    Article • September 2018, SPIE

    Alfonso Padilla Vivanco

  6. Optimizing trefoil phase plates design for color wavefront coding

    Article • September 2018, SPIE

    Alfonso Padilla Vivanco

  7. Manipulation of photothermally generated microbubbles

    Article • September 2018, SPIE

    Alfonso Padilla Vivanco

  8. Effect of spherical aberration in trefoil phase plates on color wavefront coding

    Article • Japanese Journal of Applied Physics, July 2018, Japan Society of Applied Physics

    Alfonso Padilla Vivanco

  9. Marangoni force-driven manipulation of photothermally-induced microbubbles

    Article • Optics Express, March 2018, Optical Society of America (OSA)

    Alfonso Padilla Vivanco

  10. Focus measure method based on the modulus of the gradient of the color planes for digital microscopy

    Article • Optical Engineering, February 2018, SPIE

    Alfonso Padilla Vivanco

  11. Multiwavelength digital holography multiplexing

    Article • January 2018, Optical Society of America (OSA)

    Alfonso Padilla Vivanco

  12. Photofusion and Disaggregation of Silver Nanoparticles Suspended in Ethanol by Laser Irradiation

    Article • Current Nanoscience, December 2017, Bentham Science Publishers

    Alfonso Padilla Vivanco

  13. Optimizing the design of trefoil phase plates for wavefront coding

    Article • November 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Alfonso Padilla Vivanco

  14. Analysis of breast thermograms for ROI extraction and description using mathematical morphology

    Article • September 2017, SPIE

    Alfonso Padilla Vivanco

  15. Optimization of wavefront coding imaging system using heuristic algorithms

    Article • August 2017, SPIE

    Alfonso Padilla Vivanco

  16. Photodeposition of SWCNTs onto the optical fiber end to assemble a Q-switched Er 3+ -doped fiber laser

    Article • Optics & Laser Technology, June 2017, Elsevier

    Alfonso Padilla Vivanco

  17. Infrared image acquisition system for vein pattern analysis

    Article • September 2016, SPIE

    Alfonso Padilla Vivanco

  18. Reconstruction of color biomedical images by means of quaternion generic Jacobi-Fourier moments in the framework of polar pixels

    Article • Journal of Medical Imaging, March 2016, SPIE

    Alfonso Padilla Vivanco

  19. Photomelting and photofragmentation of silver nanoparticles suspended in ethanol

    Article • October 2015, SPIE

    Alfonso Padilla Vivanco

  20. Analysis of the hand vein pattern for people recognition

    Article • September 2015, SPIE

    Dr Gabriel Cristobal, Alfonso Padilla Vivanco

  21. Extending the depth-of-field for microscopic imaging by means of multifocus color image fusion

    Article • September 2015, SPIE

    Alfonso Padilla Vivanco

  22. Color Image Reconstruction Using Quaternion Legendre-Fourier Moments in Polar Pixels

    Article • November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Alfonso Padilla Vivanco

  23. Optical Fiber Sensor Based on Localized Surface Plasmon Resonance Using Silver Nanoparticles Photodeposited on the Optical Fiber End

    Article • Sensors, October 2014, MDPI AG

    Alfonso Padilla Vivanco

  24. Phase retrieval of microscope objects using the Wavelet-Gabor transform method from holographic filters

    Article • September 2014, SPIE

    Alfonso Padilla Vivanco

  25. Optimized restoration of wavefront coded images

    Article • September 2014, SPIE

    Alfonso Padilla Vivanco

  26. Biometric analysis of the palm vein distribution by means two different techniques of feature extraction

    Article • September 2014, SPIE

    Alfonso Padilla Vivanco

  27. Moments and Moment Invariants - Theory and Applications

    Article • July 2014, Science Gate Publishing PC

    Alfonso Padilla Vivanco

  28. Detecting jaundice by using digital image processing

    Article • March 2014, SPIE

    Alfonso Padilla Vivanco

  29. High-precision and fast computation of Jacobi–Fourier moments for image description

    Article • Journal of the Optical Society of America A, December 2013, Optical Society of America (OSA)

    Alfonso Padilla Vivanco

  30. Geometric moments for gait description

    Article • September 2013, SPIE

    Alfonso Padilla Vivanco

  31. Autofocusing in microscopy systems using graphics processing units

    Article • September 2013, SPIE

    Alfonso Padilla Vivanco

  32. An efficient algorithm for food quality control based on multispectral signatures

    Article • March 2013, SPIE

    Alfonso Padilla Vivanco

  33. Bottle inspector based on machine vision

    Article • March 2013, SPIE

    Alfonso Padilla Vivanco

  34. A comparison of autonomous techniques for multispectral image analysis and classification

    Article • October 2012, SPIE

    Alfonso Padilla Vivanco

  35. Diffractive and sampling effects in Fourier holographic filters using spatial light modulators

    Article • October 2012, SPIE

    Alfonso Padilla Vivanco

  36. Multifocus image fusion using Zernike moments

    Article • October 2012, SPIE

    Alfonso Padilla Vivanco

  37. Static sign language recognition using 1D descriptors and neural networks

    Article • October 2012, SPIE

    Alfonso Padilla Vivanco

  38. Gray-level image reconstruction using Bessel-Fourier moments

    Article • August 2011, SPIE

    Alfonso Padilla Vivanco

  39. Minimum image resolution for shape recognition using the generic Jacobi Fourier moments

    Article • August 2011, SPIE

    Alfonso Padilla Vivanco

  40. Multifocus microscope color image fusion based on Daub(2) and Daub(4) kernels of the Daubechies wavelet family

    Article • August 2009, SPIE

    Alfonso Padilla Vivanco

  41. Classification of mechanical parts using an optical-digital system and the Jacobi-Fourier moments

    Article • June 2009, SPIE

    Alfonso Padilla Vivanco

  42. Multifocus microscope image fusion analysis based on Daubechies wavelets

    Article • June 2009, SPIE

    Alfonso Padilla Vivanco

  43. Gray level image reconstruction using Jacobi-Fourier moments

    Article • April 2008, SPIE

    Alfonso Padilla Vivanco

  44. Classification of motion-blurred images using Zernike and wavelet-Fourier moments

    Article • October 2007, SPIE

    Alfonso Padilla Vivanco

  45. Comparative analysis of pattern reconstruction using orthogonal moments

    Article • Optical Engineering, January 2007, SPIE

    Alfonso Padilla Vivanco

  46. Far-field diffraction patterns of circular sectors and related apertures

    Article • Applied Optics, December 2005, Optical Society of America (OSA)

    Alfonso Padilla Vivanco

  47. Correlation-based rotational signature of planar binary objects

    Article • November 2004, SPIE

    Alfonso Padilla Vivanco

  48. Digital image reconstruction using the Legendre and Chebyshev moments

    Article • November 2004, SPIE

    Alfonso Padilla Vivanco

  49. Multifocus image fusion using the Haar wavelet transform

    Article • November 2004, SPIE

    Alfonso Padilla Vivanco

  50. Phase shifting interferometry by using an LCD and bironchi test

    Article • October 2004, SPIE

    Alfonso Padilla Vivanco

  51. Testing conical surfaces using digital superposition of Ronchi-grams

    Article • October 2004, SPIE

    Alfonso Padilla Vivanco

  52. Digital image reconstruction using Zernike moments

    Article • February 2004, SPIE

    Alfonso Padilla Vivanco

  53. Optical-digital incoherent system for image reconstruction by using Zernike moments

    Article • February 2004, SPIE

    Alfonso Padilla Vivanco

  54. Analytical Fraunhofer diffraction pattern for the semicircle aperture

    Article • November 2003, SPIE

    Alfonso Padilla Vivanco

  55. Two-dimensional average contrast analysis of the joint Fourier spectrum under rotation of an input object

    Article • Optical Engineering, December 2002, SPIE

    Alfonso Padilla Vivanco

  56. Analysis of the joint Fourier spectrum for dual-input single-channel rotation

    Article • August 2001, SPIE

    Alfonso Padilla Vivanco