MEASURE OF THE COLOR OF AN AREA OF INTEREST TARGET IN RELATIONSHIP WITH COLOR MEASUREMENT TARGETS

摘要

Mobile phone accessory (1), to be associated with a smartphone, comprising a support and handling casing with an internal space (11a), an inner face (13a), an orifice (16) to be associated with an AOI target, located within a light incident spot (15), and a rear wall portion (14b), a lighting means (22) with an axis (22a), to produce the light illuminating the spot (15), a camera field of view (19) with an axis (19a), to make a reflection photo of the spot (15) and its content, a scattering plate (27), having a scattering opening (30) with a center (19aa) and a center (22aa), colored targets being an appropriate number N of color measurement targets (17), sufficient to permit an accurate measure of the color of the AIO target, selected to have defined colors within a narrow gamut of colors representing the whole range of AOI target colors, and forming together a color measurement unity (17a), through the scattering opening (30) is seen the spot (15), the N color measurement targets (17) being located within the internal space (11a) and fixed on the inner face (13a) of the front wall portion (14a), sidely with the measurement orifice (16).