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Its foreshortened spiral structure shows up well in this image , as do a few HII regions . Lillesand says the secchi readings from less than 400 lakes allowed the team to estimate the clarity of all other lakes in the satellite 's images , without further ground sampling . NIST has identified additional guidelines , reference implementations , and conformance tests that will be needed to implement and use the PIV system ; to protect the personal privacy of individuals using the PIV system ; to authenticate identity source documents and obtain the correct legal name of the person applying for a PIV card ; to obtain electronically and store required biometric data , such as fingerprints and facial images , from the PIV system applicant ; to create a PIV card that is personalized with the data needed by the PIV system to later grant the individual access to federal facilities and information systems ; to assure appropriate levels of security for federal applications ; and to provide for interoperability among federal organizations using the standards . Deformable models enabled us to reconstruct the 3D shapes of the vegetables from their 2D images , as described in Figure 2 . Any required TV images , in the meantime , can be accommodated through the use of the laptop computer-based digital video system .