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Computer vision is a new subject which develops fast in nearly 20-30 years. The question it studied is similar in photogrammetry, and there is some difference between them also. This article discussed the relation of them in developmental eye. It give a example about the images of a low-level microminiaturize plane to construct digital elevation model. It is the primary step of the "digital city" that construct tridimensional digital map. It has met the real time's request by experimental verification. Some new algorithms were used in this progress. (4 pages)
