理学 高维纹理 释 bidirectional texture function;BTF 双向纹理函数 传统的纹理是2维图像，表示物体在特定光照情况下某个视点所观察到的表面细节。而双向纹理函数（BTF）则是一个6维的函数，其中2维是纹理空间坐标，2维是视点方向，2维是入射光照方向。实际中通常是一组数千张图像的集合，其中每张图像都是纹理表面在不同的光照和相机位置下所拍摄的图像。
计算机应用 计算机辅助设计与图形学 释文 bidirectional texture function 双向纹理函数
- operation of national economy
- operation of oil-fired and gas-fired boilers
- operation of ordinals
- operation of overload valve
- operation of plasma ignition system
- operation of polynomials in one variable
- operation of power system
- operation of projecting
- operation of pulverized coal preparation system
- operation of regenerative heater
- operation of rewriting
- operation of sets
- operation of several arguments
- operation of slight oil ignition
- operation of steam turbine oil system
- operation of stream turbine
- operation of substitution
- operation of symmetric difference
- operation of the same kind
- operation of tourism industry
- operation of (ultra) supercritical units
- operation of water-cooled generator
- operation of water-hydrogen-hydrogen cooled generator
- operation of wet-bottom boiler
- operation on a graph