diff --git a/skimage/transform/radon_transform.py b/skimage/transform/radon_transform.py index 6009c54a..1ebd26c6 100644 --- a/skimage/transform/radon_transform.py +++ b/skimage/transform/radon_transform.py @@ -136,7 +136,7 @@ def iradon(radon_image, theta=None, output_size=None, Number of rows and columns in the reconstruction. filter : str, optional (default ramp) Filter used in frequency domain filtering. Ramp filter used by default. - Filters available: ramp, shepp-logan, cosine, hamming, hann + Filters available: ramp, shepp-logan, cosine, hamming, hann. Assign None to use no filter. interpolation : str, optional (default 'linear') Interpolation method used in reconstruction. Methods available: @@ -267,13 +267,14 @@ def order_angles_golden_ratio(theta): The method used here is that of the golden ratio introduced by T. Kohler. - References: - -Kohler, T. "A projection access scheme for iterative - reconstruction based on the golden section." Nuclear Science - Symposium Conference Record, 2004 IEEE. Vol. 6. IEEE, 2004. - -Winkelmann, Stefanie, et al. "An optimal radial profile order - based on the Golden Ratio for time-resolved MRI." - Medical Imaging, IEEE Transactions on 26.1 (2007): 68-76. + References + ---------- + .. [1] Kohler, T. "A projection access scheme for iterative + reconstruction based on the golden section." Nuclear Science + Symposium Conference Record, 2004 IEEE. Vol. 6. IEEE, 2004. + .. [2] Winkelmann, Stefanie, et al. "An optimal radial profile order + based on the Golden Ratio for time-resolved MRI." + Medical Imaging, IEEE Transactions on 26.1 (2007): 68-76. """ interval = 180 @@ -336,7 +337,7 @@ def iradon_sart(radon_image, theta=None, image=None, projection_shifts=None, Returns ------- output : ndarray - Reconstructed image. + Reconstructed image. Notes ----- @@ -353,20 +354,21 @@ def iradon_sart(radon_image, theta=None, image=None, projection_shifts=None, reconstruction. Further iterations will tend to enhance high-frequency information, but will also often increase the noise. - References: - -AC Kak, M Slaney, "Principles of Computerized Tomographic - Imaging", IEEE Press 1988. - -AH Andersen, AC Kak, "Simultaneous algebraic reconstruction technique - (SART): a superior implementation of the ART algorithm", Ultrasonic - Imaging 6 pp 81--94 (1984) - -S Kaczmarz, "Angenäherte auflösung von systemen linearer - gleichungen", Bulletin International de l’Academie Polonaise des - Sciences et des Lettres 35 pp 355--357 (1937) - -Kohler, T. "A projection access scheme for iterative - reconstruction based on the golden section." Nuclear Science - Symposium Conference Record, 2004 IEEE. Vol. 6. IEEE, 2004. - -Kaczmarz' method, Wikipedia, - http://en.wikipedia.org/wiki/Kaczmarz_method + References + ---------- + .. [1] AC Kak, M Slaney, "Principles of Computerized Tomographic + Imaging", IEEE Press 1988. + .. [2] AH Andersen, AC Kak, "Simultaneous algebraic reconstruction technique + (SART): a superior implementation of the ART algorithm", Ultrasonic + Imaging 6 pp 81--94 (1984) + .. [3] S Kaczmarz, "Angenäherte auflösung von systemen linearer + gleichungen", Bulletin International de l’Academie Polonaise des + Sciences et des Lettres 35 pp 355--357 (1937) + .. [4] Kohler, T. "A projection access scheme for iterative + reconstruction based on the golden section." Nuclear Science + Symposium Conference Record, 2004 IEEE. Vol. 6. IEEE, 2004. + .. [5] Kaczmarz' method, Wikipedia, + http://en.wikipedia.org/wiki/Kaczmarz_method """ if radon_image.ndim != 2: raise ValueError('radon_image must be two dimensional')