overview of wp1 - xd reflect · overview of wp1 ptb, cnam, cmi, csic, inrim, mikes, msl, sp, ua, ku...

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Overview of WP1 PTB, CNAM, CMI, CSIC, INRIM, MIKES, MSL, SP, UA, Ku Leuven Dr. Christian Strothkämper Physikalisch-Technische Bundesanstalt WG 4.24 “Reflection and Transmission“ Bundesallee 100 38116 Braunschweig

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Page 1: Overview of WP1 - xD Reflect · Overview of WP1 PTB, CNAM, CMI, CSIC, INRIM, MIKES, MSL, SP, UA, Ku Leuven Dr. Christian Strothkämper Physikalisch-Technische Bundesanstalt WG 4.24

Overview of WP1PTB, CNAM, CMI, CSIC, INRIM, MIKES, MSL, SP, UA,

Ku Leuven

Dr. Christian StrothkämperPhysikalisch-Technische BundesanstaltWG 4.24 “Reflection and Transmission“Bundesallee 10038116 Braunschweig

Page 2: Overview of WP1 - xD Reflect · Overview of WP1 PTB, CNAM, CMI, CSIC, INRIM, MIKES, MSL, SP, UA, Ku Leuven Dr. Christian Strothkämper Physikalisch-Technische Bundesanstalt WG 4.24

Strengthen the traceability of BRDF measurements of goniochromatic surfaces and to reduce the uncertainty of the measurement

Page 3: Overview of WP1 - xD Reflect · Overview of WP1 PTB, CNAM, CMI, CSIC, INRIM, MIKES, MSL, SP, UA, Ku Leuven Dr. Christian Strothkämper Physikalisch-Technische Bundesanstalt WG 4.24

Study the non-Lambertian behavior of standard reflection materials within an extended wavelength range.

Page 4: Overview of WP1 - xD Reflect · Overview of WP1 PTB, CNAM, CMI, CSIC, INRIM, MIKES, MSL, SP, UA, Ku Leuven Dr. Christian Strothkämper Physikalisch-Technische Bundesanstalt WG 4.24

Characterization of visual appearance: Sparkle

𝑆𝐺 = 0.35 𝑆𝑖 ⋅ 𝑆𝑎 − 0.8

Page 5: Overview of WP1 - xD Reflect · Overview of WP1 PTB, CNAM, CMI, CSIC, INRIM, MIKES, MSL, SP, UA, Ku Leuven Dr. Christian Strothkämper Physikalisch-Technische Bundesanstalt WG 4.24

Characterization of visual appearance: Goniochromatism

Page 6: Overview of WP1 - xD Reflect · Overview of WP1 PTB, CNAM, CMI, CSIC, INRIM, MIKES, MSL, SP, UA, Ku Leuven Dr. Christian Strothkämper Physikalisch-Technische Bundesanstalt WG 4.24

Providing data and data handling recommendations