MEASURE OF THE COLOR OF A CONTROLLED LIGHTING OF AN AREA OF INTEREST TARGET AND N COLOR MEASUREMENT TARGETS

    公开(公告)号:WO2021130233A1

    公开(公告)日:2021-07-01

    申请号:PCT/EP2020/087645

    申请日:2020-12-22

    Applicant: COSNOVA GMBH

    Abstract: 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), comprising a high-opacity portion and a low-opacity portion, which includes N color measurement targets (17), fixed on the face (13a) of the front wall portion (14a), sidely with the measurement orifice (16), through the scattering opening (30) is seen the spot (15), the scattering plate (27) has a varying degree of opacity, with a high-opacity degree in portion (25) or region (32a) on and around the center (22aa), a low-opacity degree in portion (26) or region (26b) at the opposite and near the scattering opening (30), and decreasing degrees of opacity from portion or region with high-opacity degree to portion or region with low-opacity degree, the scattering plate (27) making homogeneous the lighting as well the extension of the AOI target and the extension of the N color measurement targets (17).

    基于多通道光谱的色差仪及反射率测量方法

    公开(公告)号:WO2021253577A1

    公开(公告)日:2021-12-23

    申请号:PCT/CN2020/104742

    申请日:2020-07-27

    Inventor: 袁琨 张阳 王坚

    Abstract: 基于多通道光谱的色差仪及反射率测量方法,色差仪:主机(1)包括积分球(4)、光源(6)、主传感器(10),积分球(4)顶部一侧有探测孔(403),侧面有通光孔(401),底部有测量口(402),通光孔(401)外侧设置光源(6),探测孔(403)外侧设置主传感器(10);校准盒(2)包括外壳(203)和设在外壳(203)顶部的白板(201),白板(201)与测量口(402)对应配合,校准盒(2)与主机(1)配合连接。方法:S201、主机(1)内置标准反射率与对应的多通道采样数据,S202、使用主机(1)得到多通道的目标颜色数据,S203、遍历主机,计算总差值,并记录最小值对应数据,S204、计算λ通道数据c λ,S205、计算λ通道数据s λ,S206、计算并输出反射率。

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