WANG NENGHE. The reconstruction properties of the dilute objects and the extended objects from projections[J]. Acta Optica Sinica, 1981, 1(6): 501
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The reconstruction properties of the dilute objects are different from the extended objects. The dilute objects can be reconstructed from a few of projections. In the case of the extended objects, the projection number needed for reconstruct is proportional to the number of resolvable elements. And the projection number cannot be decreased by means of augmenting sampling points in each projection. The depth resolution of the dot coded imaging is discussed as well.