点扩散函数PSF

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/*                                                               */
/* Width-Response Curve for Line/Sheet with Gaussian/Sinc PSF    */
/*                                                               */
/*   （Isotropic PSF for Line）                                    */
/*   （Isotropic/Anisotropic PSF for Sheet）                       */
/*                                                               */
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/*                                                               */
/*   Assumptions:                                                */
/*     isotropic 3D imaging resolution for LINE and SHEET        */
/*     anisotropic 3D imaging resolution for SHEET               */
/*                                                               */
/*                                                               */
/*   Input object:  LINE/SHEET                                   */
/*     LINE: pillbox cross-section                               */ 
/*     SHEET: rect profile                                       */
/*                                                               */
/*   PSF of imaging scanner:                                     */
/*     Resolution type: ISOTROPIC_PSF/ANISOTROPIC_PSF            */
/*     Approximated function: SINC_PSF/GAUSS_PSF                 */
/*                                                               */
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/*                                                               */
/*   Input parameters                                            */
/*     object: LINE/SHEET                                        */
/*     PSF: GAUSS_PSF/SINC_PSF                                   */
/*          ISOTROPIC_PSF/ANISOTROPIC_PSF                        */
/*     （not supported for combitation LINE & ANISOTROPIC_PSF）    */
/*                                                               */
/*     Line/Sheet diameter/width:     cw （mm）                    */
/*                                                               */
/*     Horizontal resolution:         dx （mm）                    */
/*       for GAUSS_PSF: gaussian SD of PSF                       */
/*       for SINC_PSF: pixel size                                */
/*                                                               */
/*     Vertical resolution            dz （mm）                    */
/*       for GAUSS_PSF: gaussian SD of PSF                       */
/*       for SINC_PSF: slice thickness                           */
/*     （ignored for ISOTROPIC resolution）                        */
/*                                                               */
/*     Sheet angle                    theta （degree）             */
/*