Illumination modeling method based on real material measurement data
A technology of measuring data and modeling methods, which is applied in image data processing, 3D image processing, instruments, etc., can solve the problems of not reflecting the characteristics of BTF materials well, and the rough surface of BTF materials, so as to achieve real data and good results Effect
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[0088] Example one:
[0089] The selected material is used as the plane material to be collected, and the data is captured by a realistic material measuring device in the camera light source array mode. The measuring device includes a worktable on which a photographing support is fixed, the photographing support includes a semi-circular arc-shaped camera fixing arm, a semi-circular arc-shaped light source rotating arm and a central rotating tray, and a plurality of cameras are mounted on the camera fixing arm, A plurality of light sources are mounted on the light source fixing arm; the shooting bracket and the worktable are controlled by computer serial port programming.
[0090] By measuring the camera shooting, the material has a pitch angle of 0° to 90° (15° interval), an azimuth angle of 0° to 360° (15° interval), and a light source direction of 0° to 90° (15° interval). ), images taken with an azimuth angle of 0 degrees to 360 degrees (15 degrees apart).
[0091] Step 1. For t...
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