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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 deviated from the direction of the desired signal...
In this paper, we propose a book dewarping model which flattens a curved book page to its original flat rectangle shape. This model generalizes the model proposed by Cao to handle warped book images taken from different point of views instead of only from top of the book surface. In order to do so, we realize the impact of the angle between the camera lens and the book surface and take it into account...
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