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astro-ph2005★ 9 cited
Detection of point sources on two-dimensional images based on peaks
M. Lopez-Caniego, D. Herranz, J. L. Sanz +1
This article considers the detection of point sources in two dimensional astronomical images. The detection scheme we propose is based on peak statistics. We discuss the example of…
astro-ph2000★ 25 cited
Geometrical estimators as a test of Gaussianity in the CMB
R. B. Barreiro, E. Martinez-Gonzalez, J. L. Sanz
We investigate the power of geometrical estimators on detecting non-Gaussianity in the cosmic microwave background. In particular the number, eccentricity and Gaussian curvature of…