The experimental results show that the algorithm is effective for the 3d reconstruction of the coarse surface with unknown light direction.
该算法对于未知光源方向的粗糙表面的3维重建具有较大的理论价值和实用价值。
The exterior wallsare made from blocks of pigmented concrete and have a coarse surface intendedto be reminiscent of the uneven construction of medieval buildings.
外墙由着色的混凝土块砌成，粗糙的外表让人联想到中世纪建筑参差不齐的建筑。
This coarse surface causes light scattering and changes original properties of the light absorption and reflection, which makes original image become fading and mildewing.
这种粗糙表面可导致对光的散射，改变原有影像对光的吸收和反射的特性，从视觉上让人感觉到黑白照片影像变得模糊、淡化。
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