Xudong Chen

Summary

Affiliation: National University of Singapore
Country: Singapore

Publications

  1. ncbi request reprint A robust noniterative method for obtaining scattering strengths of multiply scattering point targets
    Xudong Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore, 117576
    J Acoust Soc Am 122:1325. 2007
  2. doi request reprint Cloaking a sensor for three-dimensional Maxwell's equations: transformation optics approach
    Xudong Chen
    Department of Electrical and Computer Engineering, National University of Singapore, 117576 Singapore
    Opt Express 19:20518-30. 2011
  3. doi request reprint Influence of multiple scattering on subwavelength imaging: transverse electric case
    Xudong Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
    J Opt Soc Am A Opt Image Sci Vis 27:245-50. 2010
  4. ncbi request reprint Application of signal-subspace and optimization methods in reconstructing extended scatterers
    Xudong Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
    J Opt Soc Am A Opt Image Sci Vis 26:1022-6. 2009
  5. doi request reprint Resolution of aplanatic solid immersion lens based microscopy
    Rui Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore
    J Opt Soc Am A Opt Image Sci Vis 29:1059-70. 2012
  6. doi request reprint Optical double-image cryptography based on diffractive imaging with a laterally-translated phase grating
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore
    Appl Opt 50:5750-7. 2011
  7. doi request reprint A multipole-expansion based linear sampling method for solving inverse scattering problems
    Krishna Agarwal
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
    Opt Express 18:6366-81. 2010
  8. doi request reprint Complete modeling of subsurface microscopy system based on aplanatic solid immersion lens
    Rui Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
    J Opt Soc Am A Opt Image Sci Vis 29:2350-9. 2012
  9. doi request reprint Imaging small three-dimensional elastic inclusions by an enhanced multiple signal classification method
    Rencheng Song
    Department of Electrical and Computer Engineering, National University of Singapore, 117576, Singapore
    J Acoust Soc Am 132:2420-6. 2012
  10. doi request reprint Electromagnetic imaging of separable obstacle problem
    Xiuzhu Ye
    Department of Electrical and Computer Engineering, National University of Singapore, 117576 Singapore
    Opt Express 20:2206-19. 2012

Collaborators

Detail Information

Publications28

  1. ncbi request reprint A robust noniterative method for obtaining scattering strengths of multiply scattering point targets
    Xudong Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore, 117576
    J Acoust Soc Am 122:1325. 2007
    ..K. Gruber "Noniterative analytical formula for inverse scattering of multiply scattering point targets," J. Acoust. Soc. Am. 120, 3782-3788 (2006)], the new method produces more accurate results in the presence of noise...
  2. doi request reprint Cloaking a sensor for three-dimensional Maxwell's equations: transformation optics approach
    Xudong Chen
    Department of Electrical and Computer Engineering, National University of Singapore, 117576 Singapore
    Opt Express 19:20518-30. 2011
    ..The loss of the surface impedance of the sensor plays an important role in determining the cloaking modes: ideal cloaking, sensor cloaking and resonance...
  3. doi request reprint Influence of multiple scattering on subwavelength imaging: transverse electric case
    Xudong Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
    J Opt Soc Am A Opt Image Sci Vis 27:245-50. 2010
    ..The reason for the aforementioned conclusion is discussed. Two scenarios that favor the multiple scattering effect are discussed, and the differences between these scenarios and the CRB analysis are highlighted...
  4. ncbi request reprint Application of signal-subspace and optimization methods in reconstructing extended scatterers
    Xudong Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
    J Opt Soc Am A Opt Image Sci Vis 26:1022-6. 2009
    ..The method exhibits several strengths, including robustness against noise, fast convergence, less scattering data, high resolution, and the ability to deal with scatterers of special shapes...
  5. doi request reprint Resolution of aplanatic solid immersion lens based microscopy
    Rui Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore
    J Opt Soc Am A Opt Image Sci Vis 29:1059-70. 2012
    ..The observations are explained explicitly through a detailed analysis of the dyadic Green's function. A new resolution criterion is also proposed, which provides a very accurate estimate of the resolution limits...
  6. doi request reprint Optical double-image cryptography based on diffractive imaging with a laterally-translated phase grating
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore
    Appl Opt 50:5750-7. 2011
    ..In addition, security and advantages of the proposed method are analyzed. Feasibility and effectiveness of the proposed method are demonstrated by numerical simulation results...
  7. doi request reprint A multipole-expansion based linear sampling method for solving inverse scattering problems
    Krishna Agarwal
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
    Opt Express 18:6366-81. 2010
    ..Various examples are presented to demonstrate the performance of the proposed method for dielectric as well as perfectly conducting scatterers in presence of significant amount of additive Gaussian noise...
  8. doi request reprint Complete modeling of subsurface microscopy system based on aplanatic solid immersion lens
    Rui Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
    J Opt Soc Am A Opt Image Sci Vis 29:2350-9. 2012
    ..For extended scatterers, two types of illuminations-focusing light illumination and plane wave direct illumination-are used to image the scatterers, and observations are explained using interaction of the incident light with the sample...
  9. doi request reprint Imaging small three-dimensional elastic inclusions by an enhanced multiple signal classification method
    Rencheng Song
    Department of Electrical and Computer Engineering, National University of Singapore, 117576, Singapore
    J Acoust Soc Am 132:2420-6. 2012
    ..Numerical simulations show the proposed method has wider applicability, better resolution, and more robust in the presence of noise than the standard MUSIC methods...
  10. doi request reprint Electromagnetic imaging of separable obstacle problem
    Xiuzhu Ye
    Department of Electrical and Computer Engineering, National University of Singapore, 117576 Singapore
    Opt Express 20:2206-19. 2012
    ..Various difficult numerical examples are presented to show the good performance of our method. In addition, a data set of scattering experiments from the Institut Fresnel is tested to verify the validity of our method...
  11. doi request reprint Dyadic Green's function for aplanatic solid immersion lens based sub-surface microscopy
    Li Hu
    Department of Electrical and Computer Engineering, National University of Singapore, 117576 Singapore
    Opt Express 19:19280-95. 2011
    ..The effect of the numerical aperture of the objective on the peak intensities, resolutions and the depth of field are also reported. Some interesting longitudinal effects are also reported...
  12. ncbi request reprint Subspace-based optimization method for reconstructing extended scatterers: transverse electric case
    Li Pan
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
    J Opt Soc Am A Opt Image Sci Vis 26:1932-7. 2009
    ..Due to the vectorial property of the TE wave, the reconstructed profile in TE case is smoother than that in the transverse magnetic (TM) case...
  13. doi request reprint Multistage inversion algorithm for biological tissue imaging
    Krishna Agarwal
    National University of Singapore, Department of Electrical and Computer Engineering, Singapore
    J Biomed Opt 15:016007. 2010
    ..The method reduces the ill-posedness of the image reconstruction problem iteratively such that good imaging results are obtained for multiple heterogeneities having complicated geometries even in the presence of 3% additive white noise...
  14. doi request reprint Multiple signal classification method for detecting point-like scatterers embedded in an inhomogeneous background medium
    Xudong Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576, Singapore
    J Acoust Soc Am 127:2392-7. 2010
    ..Numerical simulations illustrate the efficacy of the proposed theory and algorithm presented in this paper, and some interesting observations, which are absent in homogeneous background scenario, are highlighted and discussed...
  15. doi request reprint A complete and computationally efficient numerical model of aplanatic solid immersion lens scanning microscope
    Rui Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore, 117576
    Opt Express 21:14316-30. 2013
    ....
  16. doi request reprint Quantitative phase retrieval of a complex-valued object using variable function orders in the fractional Fourier domain
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore
    Opt Express 18:13536-41. 2010
    ..A new phase retrieval algorithm is then proposed, and advantages of the proposed algorithm are also discussed. A proof-of-principle study is presented to show the feasibility and effectiveness of the proposed method...
  17. doi request reprint Comparison among the variants of subspace-based optimization method for addressing inverse scattering problems: transverse electric case
    Li Pan
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576, Singapore
    J Opt Soc Am A Opt Image Sci Vis 27:2208-15. 2010
    ....
  18. doi request reprint Imaging three-dimensional anisotropic scatterers in multilayered medium by multiple signal classification method with enhanced resolution
    Rencheng Song
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore
    J Opt Soc Am A Opt Image Sci Vis 29:1900-5. 2012
    ..Numerical simulations with various medium interfaces and noise levels are conducted to verify the performance of the introduced MUSIC method...
  19. doi request reprint Multipole theory for tight focusing of polarized light, including radially polarized and other special cases
    Thanh Xuan Hoang
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore
    J Opt Soc Am A Opt Image Sci Vis 29:32-43. 2012
    ..The method is also convenient for calculation of fields scattered by particles and calculation of optical trapping forces...
  20. ncbi request reprint Optical color-image encryption and synthesis using coherent diffractive imaging in the Fresnel domain
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore
    Opt Express 20:3853-65. 2012
    ..Compared with conventional interference methods, coherent diffractive imaging approach may open up a new research perspective or can provide an effective alternative for optical color-image encryption and synthesis...
  21. doi request reprint Space-based optical image encryption
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore
    Opt Express 18:27095-104. 2010
    ..The proposed method can provide a new optical encryption strategy instead of the conventional 2D processing, and may open up a new research perspective for the optical image encryption...
  22. doi request reprint Optical encryption using multiple intensity samplings in the axial domain
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore
    J Opt Soc Am A Opt Image Sci Vis 30:806-12. 2013
    ..In addition, other advantages of the proposed method, such as high robustness against ciphertext contaminations, are also analyzed...
  23. doi request reprint Object authentication in computational ghost imaging with the realizations less than 5% of Nyquist limit
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore
    Opt Lett 38:546-8. 2013
    ..The main objective for our study is to authenticate the object reconstructed by using the small number of realizations rather than to directly extract the high-fidelity object...
  24. doi request reprint Interference-based optical image encryption using three-dimensional phase retrieval
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore
    Appl Opt 51:6076-83. 2012
    ..A numerical experiment is conducted to demonstrate the feasibility and effectiveness of the proposed method...
  25. ncbi request reprint Focal-plane detection and object reconstruction in the noninterferometric phase imaging
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore
    J Opt Soc Am A Opt Image Sci Vis 29:585-92. 2012
    ..Theoretical results are presented to demonstrate feasibility and effectiveness of the proposed methods...
  26. doi request reprint Optical image encryption based on diffractive imaging
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576
    Opt Lett 35:3817-9. 2010
    ..The proposed method can provide a new strategy instead of conventional interference methods, and it may open up a new research perspective for optical image encryption...
  27. doi request reprint Quantitative phase retrieval of complex-valued specimens based on noninterferometric imaging
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, Singapore
    Appl Opt 50:2008-15. 2011
    ..Numerical simulation results are presented to demonstrate the feasibility and effectiveness of the proposed method...
  28. doi request reprint Optical cryptography topology based on a three-dimensional particle-like distribution and diffractive imaging
    Wen Chen
    Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore
    Opt Express 19:9008-19. 2011
    ..During image decryption, a retrieval algorithm is developed to extract the plaintext from the ciphertexts. In addition, security and advantages of the proposed optical cryptography topology are also analyzed...