Select the "smudge" tool and set the strength to 92%. Slightly smudge the edge of the shadows not touching the building.

选择“涂抹”工具，设置强度为92%，轻轻涂抹阴影的边缘，注意不要触及到建筑。

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If we consider light from the point of view of geometrical optics, we would expect sharp, well-defined shadows to appear behind the edge of an opaque obstacle.

从几何光学的观点出发，我们预期在不透明障碍物边缘的后面将得到明显清晰的阴影。

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Prior knowledge of the vehicles, such as shadows underneath the vehicles, rich edge information, contour symmetry, gray level symmetry, horizontal line symmetry and etc, is combined.

联合使用车底阴影、边缘信息、轮廓对称、灰度对称、水平线对称等车辆先验知识，提出一种基于特征的车辆检测方法。

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Spots of yellow-white sun trembled in brown tree-shadows on the lake-edge.

NEWYORKER: History of a Disturbance