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2. Volumetric model and 3-D trajectory of a moving car derived from monocular TV-frame sequence of a street scene;Dreschler,1981
3. A corner finding algorithm for image analysis and registration;Fang,1982
4. Detecting half-edges and vertices in images;Gennert,1986
5. Digital step edges from zero crossing of second directional derivatives;Haralick;IEEE Trans. on Pattern Anal. Mach. Intell.,1984