公开(公告)号：WO2021130234A2

公开(公告)日：2021-07-01

申请号：PCT/EP2020/087646

申请日：2020-12-22

Applicant: COSNOVA GMBH

Inventor： THORSTEN HEIKO SCHELSKE, Yannik ,  MARIA PRIORE, Gerardo ,  MATHIEZ, Jean-Louis Marie Marcel

IPC: G01J3/02 ,  G01J3/50 ,  G01J3/52 ,  G01J3/0205 ,  G01J3/0264 ,  G01J3/0267 ,  G01J3/0272 ,  G01J3/0291 ,  G01J3/522 ,  G01J3/524 ,  G06T2207/10024 ,  G06T2207/30088 ,  G06T7/90 ,  H04M1/0264 ,  H04N5/2254 ,  H04N5/2256

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), 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).

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

Applicant: 中国计量大学

Inventor： 袁琨 ,  张阳 ,  王坚

IPC: G01J3/28 ,  G01N21/25 ,  G01J2003/467 ,  G01J3/0229 ,  G01J3/0267 ,  G01J3/0291 ,  G01J3/10 ,  G01J3/46 ,  G01J3/524 ,  G01N21/4738 ,  G01N21/474

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。