Source extraction and photometry for the far-infrared and sub-millimeter continuum in the presence of complex backgroundsS. Molinari, E. Schisano, F. Faustini, M. Pestalozzi, A. M. Di Giorgio and S. LiuA&A, 530 (2011) A133DOI: https://doi.org/10.1051/0004-6361/201014752