Paper:	Substepping and its Application to HST Imaging
Volume:	145, Astronomical Data Analysis Software and Systems VII
Page:	82
Authors:	Wu, N.; Caldwell, J.
Abstract:	The substepping technique is used for the Hubble Space Telescope (HST) imaging to cope with the problem of undersampling and to improve resolution. In this paper, this technique is first introduced in the language of signal/image processing. Then its application to HST: FOS ACQ imaging and WFPC2 subpixel dithering, is described. Its possible use for NICMOS is also discussed.

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