混合画（蒙太奇）： 把多个影像组合为一的美术作品。
Montage: Several images assembled into one piece of art work.
度也就是选择影像中纯对象最多而混合对象数目最少的分割尺度。
The optimal segmentation scale means in that image level pure object is most and mix object is lest.
建筑成为影像，摄影成为建筑，房屋成为了一个与建筑环境相融合的混合的城市人工制品。
Architecture becomes photography, photography becomes architecture and the building becomes a hybrid urban artefact within the built environment.
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