Image reconstruction of Io from the bispectrum using building block method

Yuuki Yoshinoya; Susumu Kuwamura; Noriaki Miura; Fumiaki Tsumuraya; Makoto Sakamoto; Naoshi Baba

doi:10.1117/12.825448

17 September 2009 Image reconstruction of Io from the bispectrum using building block method

Yuuki Yoshinoya, Susumu Kuwamura, Noriaki Miura, Fumiaki Tsumuraya, Makoto Sakamoto, Naoshi Baba

Proceedings Volume 7439, Astronomical and Space Optical Systems; 74390W (2009) https://doi.org/10.1117/12.825448
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

The building block method provides a promising algorithm to reconstruct an astronomical object image from its bispectrum. While the building block method has been well applied on stellar objects, in the present study we examine the applications to extended objects such as planets and satellites. We have obtained the visible light specklegrams of Io (a Jupiter's satellite) at 515nm using the 2m telescope in Nishi-Harima Astronomical Observatory. We report a preliminary imaging result of Io using the building block method. The result is compared with the image as previously restored by the shift-and-add method with a deconvolution post-processing.

Citation Download Citation

Yuuki Yoshinoya, Susumu Kuwamura, Noriaki Miura, Fumiaki Tsumuraya, Makoto Sakamoto, and Naoshi Baba "Image reconstruction of Io from the bispectrum using building block method", Proc. SPIE 7439, Astronomical and Space Optical Systems, 74390W (17 September 2009); https://doi.org/10.1117/12.825448

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