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In this paper, we propose a book dewarping model based on the assumption that the book surface is warped as a cylinder. This model extends the model proposed by Cao and makes Cao's model a special case of our model. This extension removes the constraint of Cao's model that the camera lens must be strictly parallel to the book surface, which is hard to make(More)
The direct data domain least squares (D3LS) approach using a single snapshot is capable of handling a highly nonstationary environment, particularly in the case of blinking jammers and coherent jammers. In addition to advantages, however, there exist some drawbacks such that the degrees of freedom are reduced, the main beam of the array antenna is often(More)
The validity of the application of the Krylov subspace techniques in adaptive filtering and detection is investigated. A new verification of the equivalence of two well-known methods in the Krylov subspace, namely the multistage Wiener filters (MWF) and the auxiliary-vector filtering (AVF), is given in this paper. The MWF and AVF are incorporated into two(More)
This paper investigates the seasonal variabilities of the South China Sea isopycnal-surface circulations and of the Kuroshio intrusion through the Luzon Strait using the U.S. Navy's climatological temperature and salinity dataset (public domain) with ½Њ ϫ ½Њ resolution by the P-vector method. The representative pattern is a persistent basin-scale cyclonic(More)
[1] A three-dimensional absolute velocity field on the isopycnal surface in the northwest Pacific subtropical region in the summer is calculated from the Navy's Generalized Digital Environmental Model (GDEM) climatological temperature and salinity data on a 0.5° Â 0.5° grid using the P-vector method. GDEM for the area was built from historical (1930– 1997)(More)