We present a ghost imaging scheme that can obtain a good pseudocolor image of black-and-white objects.The essential idea is to use a multi-wavelength thermal light source and the phase modulation pseudocolor encoding ...We present a ghost imaging scheme that can obtain a good pseudocolor image of black-and-white objects.The essential idea is to use a multi-wavelength thermal light source and the phase modulation pseudocolor encoding technique,which overcomes the disadvantages of other methods involved spatial filtering.Therefore,the pseudocolor ghost image achieved by this imaging scheme is better than that obtained by other methods in terms of brightness,color,and signal-tonoise ratio.展开更多
In this paper, a new pseudocolor method to display sound holospectrogram is proposed and studied. On the picture of such a four-dimensional spectrogram, the horizontal axis refers to time, the vertical axis to frequen...In this paper, a new pseudocolor method to display sound holospectrogram is proposed and studied. On the picture of such a four-dimensional spectrogram, the horizontal axis refers to time, the vertical axis to frequency, the color to phase, and the brightness to magnitude. An example of display is given by employing the realized system.展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.61178012,11204156,11304179,and 11247240)the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant Nos.20133705110001 and 20123705120002)+1 种基金the Scientific Research Foundation for Outstanding Young Scientists of Shandong Province of China(Grant No.BS2013DX034)the Natural Science Foundation of Shandong Province of China(Grant No.ZR2012FQ024)
文摘We present a ghost imaging scheme that can obtain a good pseudocolor image of black-and-white objects.The essential idea is to use a multi-wavelength thermal light source and the phase modulation pseudocolor encoding technique,which overcomes the disadvantages of other methods involved spatial filtering.Therefore,the pseudocolor ghost image achieved by this imaging scheme is better than that obtained by other methods in terms of brightness,color,and signal-tonoise ratio.
基金Supported by the National Natural Science Foundation of China
文摘In this paper, a new pseudocolor method to display sound holospectrogram is proposed and studied. On the picture of such a four-dimensional spectrogram, the horizontal axis refers to time, the vertical axis to frequency, the color to phase, and the brightness to magnitude. An example of display is given by employing the realized system.
