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—We propose a novel 6-degree-of-freedom (DoF) visual simultaneous localization and mapping (SLAM) method based on the structural regularity of man-made building environments. The idea is that we use the building structure lines as features for localization and mapping. Unlike other line features, the building structure lines encode the global orientation(More)
In this paper, a novel segmentation method for Polarimetric Synthetic Aperture Radar (PolSAR) images is proposed. Image segmentation is formulated as a graph partitioning problem which is addressed by curve evolution. Graph partitioning active contours (GPAC) [1], which is flexible and can be classified as a region-based active contour framework, is applied(More)
This letter investigates the joint recovery of a frequency-sparse signal ensemble sharing a common frequency-sparse component from the collection of their compressed measurements. Unlike conventional arts in compressed sensing, the frequencies follow an off-the-grid formulation and are continuously valued in [0, 1]. As an extension of atomic norm, the(More)