Inconsistency in light source direction is taken as the basis for the detection of image tampering.
图像篡改通常会破坏自然图像的光照一致性,根据这一特点将光源方向的不一致性作为检测图像篡改的依据。
参考来源 - 基于无限光源模式的数字图像盲鉴别技术·2,447,543篇论文数据，部分数据来源于NoteExpress
光源方向来自图相的左侧。
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 experimental results show that the algorithm is effective for the 3d reconstruction of the coarse surface with unknown light direction.
晚上，扫视地平线，寻找像火和街灯的人工光源，然后朝发光的光污染方向走。
At night scan the horizon for artificial light sources such as fires and streetlights, then walk toward the glow of light pollution.
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