. . . . "The same analysis on a regular geographic latitude/longitude grid, whose cells shrink in surface area towards the poles." . "Angular power spectrum analysis performed on an equal-area HEALPix tessellation of the sphere defined on the WGS84 ellipsoid." . "Presence or absence of a latitude-dependent bias in the spectral amplitude / power as a function of spatial scale." . "Earth-observation optical satellite imagery (multispectral surface-reflectance scenes) at regional scale." . . . . . "For Earth-observation satellite imagery, does computing the angular power spectrum on an equal-area HEALPix grid, compared with a regular geographic lon/lat grid, remove the latitude-dependent area bias in the spectral amplitude?" . . . "Does equal-area HEALPix gridding remove latitude bias from the power spectrum of satellite imagery?" . . "Anne Fouilloux" . "2026-06-28T15:28:38.008Z"^^ . . . . . "Does equal-area HEALPix gridding remove latitude bias from the power spectrum of satellite imagery?" . . "RSA" . "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" . "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" . . .