Extended depth of field through wave-front coding Export

@article{citeulike:902293, abstract = {We designed an optical–digital system that delivers near-diffraction-limited imaging performance with a large depth of field. This system is the standard incoherent optical system modified by a phase mask with digital processing of the resulting intermediate image. The phase mask alters or codes the received incoherent wave front in such a way that the point-spread function and the optical transfer function do not change appreciably as a function of misfocus. Focus-independent digital filtering of the intermediate image is used to produce a combined optical–digital system that has a nearly diffraction limited point-spread function. This high-resolution extended depth of field is obtained through the expense of an increased dynamic range of the incoherent system. We use both the ambiguity function and the stationary-phase method to design these phase masks.}, author = {Dowski, Edward R. and Cathey, W. T.}, citeulike-article-id = {902293}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APOPAI000034000011001859000001&idtype=cvips&gifs=yes}, journal = {Applied Optics}, keywords = {computational-imaging, wavefront-coding, wigner-distribution}, number = {11}, pages = {1859--1866}, posted-at = {2006-10-17 22:03:02}, priority = {2}, publisher = {OSA}, title = {Extended depth of field through wave-front coding}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APOPAI000034000011001859000001&idtype=cvips&gifs=yes}, volume = {34}, year = {1995} }

TY - JOUR ID - citeulike:902293 L3 - citeulike-article-id:902293 N2 - We designed an optical–digital system that delivers near-diffraction-limited imaging performance with a large depth of field. This system is the standard incoherent optical system modified by a phase mask with digital processing of the resulting intermediate image. The phase mask alters or codes the received incoherent wave front in such a way that the point-spread function and the optical transfer function do not change appreciably as a function of misfocus. Focus-independent digital filtering of the intermediate image is used to produce a combined optical–digital system that has a nearly diffraction limited point-spread function. This high-resolution extended depth of field is obtained through the expense of an increased dynamic range of the incoherent system. We use both the ambiguity function and the stationary-phase method to design these phase masks. IS - 11 JF - Applied Optics EP - 1866 TI - Extended depth of field through wave-front coding PB - OSA VL - 34 SP - 1859 KW - computational-imaging KW - wavefront-coding KW - wigner-distribution AU - Dowski, Edward AU - Cathey, WT PY - 1995/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APOPAI000034000011001859000001&idtype=cvips&gifs=yes ER -