Inspec keywords: brightness; image sensors; harmonics; object recognition; lighting

Other keywords: convex Lambertian surface; object surface construction; fixed-pose object; single viewpoint; spherical harmonics; image pixel brightness determination; hemispherical domain; Lambertian reflectance kernel; image irradiance modelling; infinite dimensional; mathematical modelling; phenomenological appearance model; imaging sensor element; lighting function; frontal illumination; hemispherical harmonics; surface appearance capturing; SH

Subjects: Image recognition; Image sensors; Image sensors; Computer vision and image processing techniques