2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/102599In this note we re-propose the arguments presented in Vio (2005) examining the superiority of the 'bi-parametric scale adaptive filter' (BSAF) when dealing with source detection as claimed by (Lopez-Caniego 2005a) and confirmed in Lopez-Caniego (2005b). We suggest here that the dispute can be easily solved if these authors provide the community with a detailed derivation of a basic equation.AstrophysicsSome further comments on the paper "biparametric scale adaptive filter design" for the detection of compact sources as proposed by M. Lopez-Caniego et. al 2005, MNRAS 359, 993text